Cancer Research and Treatment

Original Articles

Lung and Thoracic cancer

Intrathoracic Progression Is Still the Most Dominant Failure Pattern after First-Line Chemo-immunotherapy in Extensive-Stage Small-Cell Lung Cancer: Implications for Thoracic Radiotherapy: Dowook Kim, Hak Jae Kim, Hong-Gyun Wu, Joo Ho Lee, Suzy Kim, Tae Min Kim, Jin-Soo Kim, Byoung Hyuck Kim; Cancer Res Treat. 2024;56(2):430-441. Published online November 6, 2023; DOI: https://doi.org/10.4143/crt.2023.931

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Purpose
This study aimed to compare the failure patterns before and after the introduction of immunotherapy and to determine the role of thoracic radiotherapy (TRT) in extensive-stage small-cell lung cancer (ES-SCLC) treatment.
Materials and Methods
We retrospectively reviewed 294 patients with ES-SCLC, of which 62.2% underwent chemotherapy alone, 13.3% underwent chemotherapy followed by consolidative TRT (TRT group), and 24.5% underwent chemotherapy with immune checkpoint inhibitor (ICI group). We performed propensity-score matching (PSM) to compare each treatment group.
Results
The median follow-up duration was 10.4 months. At the first relapse, in the cohort showing objective response, the proportion of cases showing intrathoracic progression was significantly lower in the TRT group (37.8%) than in the chemotherapy-alone (77.2%, p < 0.001) and the ICI (60.3%, p=0.03) groups. Furthermore, in the subgroup analysis, TRT showed benefits related to intrathoracic progression-free survival (PFS) in comparison with ICI in patients with less than two involved extrathoracic sites (p=0.008) or without liver metastasis (p=0.02) or pleural metastasis (p=0.005) at diagnosis. After PSM, the TRT group showed significantly better intrathoracic PFS than both chemotherapy-alone and ICI groups (p < 0.001 and p=0.04, respectively), but showed no significant benefit in terms of PFS and overall survival in comparison with the ICI group (p=0.17 and p=0.31, respectively).
Conclusion
In ES-SCLC, intrathoracic progression was the most dominant failure pattern after immunotherapy. In the era of chemoimmunotherapy, consolidative TRT can still be considered a useful treatment strategy for locoregional control.

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Radiotherapy(R) Integration(I) Strategy for Small(S)-Cell Lung Cancer in Extensive(E) Stage (RISE) with up to 10 metastases- a study protocol of a randomized phase II trial
Łukasz Kuncman, Jacek Fijuth, Damian Tworek, Ewa Sierko, Paweł Cisek, Michał Masłowski, Maja Lisik-Habib, Magdalena Orzechowska, Katarzyna Galwas-Kliber, Adam Antczak, Izabela Chmielewska, Barbara Ziółkowska, Marta Kurczewska-Michalak, Wojciech Kuźnicki,
BMC Cancer.2025;[Epub] CrossRef
Clinical outcomes and synergistic effect between radiotherapy and immunotherapy in patients with extensive-stage small cell lung cancer: a real-world study
Meiling Sun, Huaijun Ji, Fang Deng, Jingyi Li, Ning Xu, Yu Li
BMC Cancer.2024;[Epub] CrossRef

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Efficacy of Prophylactic Cranial Irradiation According to the Risk of Extracranial Recurrence in Limited-Stage Small Cell Lung Cancer: Tae Hoon Lee, Joo-Hyun Chung, Hong-Gyun Wu, Suzy Kim, Joo Ho Lee, Bhumsuk Keam, Jin-Soo Kim, Ki Hwan Kim, Byoung Hyuck Kim, Hak Jae Kim; Cancer Res Treat. 2023;55(3):875-884. Published online February 24, 2023; DOI: https://doi.org/10.4143/crt.2022.1583

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Purpose
We aimed to evaluate the effectiveness of prophylactic cranial irradiation (PCI) for “early brain metastasis”, which occurs before extracranial recurrence (ECR), and “late brain metastasis”, which occurs after ECR, in limited-stage small cell lung cancer (LS-SCLC).
Materials and Methods
We retrospectively analyzed 271 LS-SCLC patients who underwent definitive chemoradiation. All patients were initially staged with brain magnetic resonance imaging and positron emission tomography. Intracranial recurrence (ICR), ECR, progression-free rate (PFR), and overall survival (OS) were analyzed as clinical endpoints. The competing risk of the first recurrence with ICR (ICRfirst) was evaluated. Significantly associated variables in multivariate analysis of ECR were considered as ECR risk factors. Patients were stratified according to the number of ECR risk factors.
Results
The application of PCI was associated with higher PFR (p=0.008) and OS (p=0.045). However, PCI was not associated with any of the clinical endpoints in multivariate analysis. The competing risk of ICRfirst was significantly decreased with the application of PCI (hazard ratio, 0.476; 95% confidence interval, 0.243 to 0.931; p=0.030). Stage III disease, sequential, and stable disease after thoracic radiation were selected as ECR risk factors. For patients without these risk factors, the application of PCI was significantly associated with increased OS (p=0.048) and a decreased risk of ICRfirst (p=0.026).
Conclusion
PCI may play a role in preventing early brain metastasis rather than late brain metastasis after ECR, suggesting that only patients with a low risk of ECR may currently benefit from PCI.

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Efficacy evaluation of prophylactic cranial irradiation for limited stage small‑cell lung cancer in the magnetic resonance imaging era: A meta‑analysis
Lihua Shao, Yumei Dong, Meiqiao Jiang, Haixia Song, Yuexiao Qi, Liyun Guo, Jinhui Tian, Shihong Wei
Oncology Letters.2025;[Epub] CrossRef

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Predictors of Post-chemoradiotherapy Pulmonary Complication in Locally Advanced Non–Small Cell Lung Cancer: Tae Hoon Lee, Byung-Hee Kang, Hak Jae Kim, Hong-Gyun Wu, Joo Ho Lee; Cancer Res Treat. 2023;55(3):865-874. Published online January 19, 2023; DOI: https://doi.org/10.4143/crt.2022.1538

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Purpose
We investigated the clinical effects and predictive factors of severe post-chemoradiotherapy pulmonary complications (PCPC) in locally advanced non–small cell lung cancer (LA-NSCLC).
Materials and Methods
Medical records of 317 patients who underwent definitive concurrent chemoradiation (CCRT) for LA-NSCLC were reviewed retrospectively. PCPC was defined as an event of admission or emergency department visit for acute or subacute pulmonary inflammatory complications, including pneumonitis and pneumonia, within 6 months after CCRT initiation. Patient characteristics, baseline lung function tests, radiation dosimetric parameters, and laboratory tests were analyzed to investigate their association with PCPC. Prognostic endpoints were disease progression rate (DPR) and overall survival (OS).
Results
PCPC was reported in 53 patients (16.7%). The OS of patients with PCPC was significantly worse (35.0% in 2 years) than that of patients without PCPC (67.0% in 2 years, p < 0.001). However, 2-year DPRs were 77.0% and 70.7% in patients with and without PCPC, respectively, which were not significantly different (p=0.087). In multivariate logistic regression, PCPC was independently associated with grade ≥ 1 hypoalbuminemia during CCRT (odds ratio [OR], 5.670; 95% confidence interval [CI], 2.487 to 13.40; p < 0.001), lower diffusing capacity of carbon monoxide (DLCO) (per mL/min/mmHg; OR, 0.855; 95% CI, 0.743 to 0.974; p=0.022), and higher lung V5 (per 10%; OR, 1.872; 95% CI, 1.336 to 2.699; p < 0.001).
Conclusion
PCPC might be a clinical endpoint to evaluate complications and predict the survival of patients subjected to CCRT for LA-NSCLC. Hypoalbuminaemia, DLCO, and lung V5 might predict PCPC in LA-NSCLC.

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Pneumonitis Risk After Chemoradiotherapy With and Without Immunotherapy in Patients With Locally Advanced Non-Small Cell Lung Cancer: A Systematic Review and Meta-Analysis
Chong Han, Jingping Qiu, Lu Bai, Tingting Liu, Jun Chen, He Wang, Jun Dang
International Journal of Radiation Oncology*Biology*Physics.2024; 119(4): 1179. CrossRef
Prognostic Biomarkers of Systemic Inflammation in Non-Small Cell Lung Cancer: A Narrative Review of Challenges and Opportunities
Mark Stares, Leo R. Brown, Dhruv Abhi, Iain Phillips
Cancers.2024; 16(8): 1508. CrossRef
Comparison of post-chemoradiotherapy pneumonitis between Asian and non-Asian patients with locally advanced non-small cell lung cancer: a systematic review and meta-analysis
Tingting Liu, Sihan Li, Silu Ding, Jingping Qiu, Chengbo Ren, Jun Chen, He Wang, Xiaoling Wang, Guang Li, Zheng He, Jun Dang
eClinicalMedicine.2023; 64: 102246. CrossRef

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Gynecologic cancer

Image-Guided Versus Conventional Brachytherapy for Locally Advanced Cervical Cancer: Experience of Single Institution with the Same Practitioner and Time Period: Tae Hoon Lee, Kyung Su Kim, Hak Jae Kim, Chang Heon Choi, Seonghee Kang, Keun-Yong Eom, Chan Woo Wee, Yong Sang Song, Noh Hyun Park, Jae-Weon Kim, Hyun Hoon Chung, Hee Seung Kim, Maria Lee, Hyun-Cheol Kang; Cancer Res Treat. 2023;55(1):258-269. Published online August 10, 2022; DOI: https://doi.org/10.4143/crt.2022.418

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Purpose
This study aimed to compare treatment outcomes and toxicity profile between imaged-guided brachytherapy (IGBT) versus conventional brachytherapy (CBT) performed by the same practitioner during the same time period.
Materials and Methods
Medical records of 104 eligible patients who underwent brachytherapy for locally advanced cervical cancer were retrospectively reviewed. Fifty patients (48.1%) underwent IGBT, and 54 (51.9%) patients underwent CBT. All patients underwent concurrent chemoradiation with cisplatin. High-dose-rate intracavitary brachytherapy with dose prescription of 25-30 Gy in 4-6 fractions was performed for all patients. Late lower gastrointestinal (GI) and urinary toxicities occurred more than 3 months after the end of brachytherapy were included for comparative and dosimetric analyses.
Results
The median follow-up period was 18.33 months (range, 3.25 to 38.43 months). There were no differences in oncologic outcomes between the two groups. The IGBT group had lower rate of actuarial grade ≥ 3 toxicity than the CBT group (2-year, 4.5% vs. 25.7%; p=0.030). Cumulative equieffective D2cc of sigmoid colon was significantly correlated with grade ≥ 2 lower GI toxicity (p=0.033), while equieffective D2cc of rectum (p=0.055) and bladder (p=0.069) showed marginal significance with corresponding grade ≥ 2 toxicities in the IGBT group. Half of grade ≥ 3 lower GI toxicities impacted GI tract above the rectum. Optimal thresholds of cumulative D2cc of sigmoid colon and rectum were 69.7 Gy and 70.8 Gy, respectively, for grade ≥ 2 lower GI toxicity.
Conclusion
IGBT showed superior toxicity profile to CBT. Evaluating the dose to the GI tract above rectum by IGBT might prevent some toxicities.

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Cisplatin

Reactions Weekly.2023; 1947(1): 125. CrossRef
A Mixed Methods Study to Implement the Synergy Tool and Evaluate Its Impact on Long-Term Care Residents
Farinaz Havaei, Francis Kobekyaa, Andy Ma, Maura MacPhee, Wei Zhang, Megan Kaulius, Bahar Ahmadi, Sheila Boamah, Adam Easterbrook, Amy Salmon
Healthcare.2023; 11(15): 2187. CrossRef

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Lung and Thoracic cancer

Analysis of Once-Daily Thoracic Radiotherapy Dose According to the Underlying Lung Disease in Patients with Limited-Stage Small Cell Lung Cancer Undergoing Concurrent Chemoradiotherapy: Byoung Hyuck Kim, Joo-Hyun Chung, Jaeman Son, Suzy Kim, Hong-Gyun Wu, Hak Jae Kim; Cancer Res Treat. 2023;55(1):73-82. Published online March 14, 2022; DOI: https://doi.org/10.4143/crt.2021.1202

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Purpose
In the treatment of concurrent chemoradiotherapy (CCRT) in limited-stage small cell lung cancer, the optimal once-daily radiotherapy (RT) dose/fractionation remain unclear although it is the most frequently used. Therefore, this study aimed to compare the treatment outcomes and toxicities of modest dose RT (≤ 54 Gy) with those of standard dose RT (> 54 Gy) and investigate the benefit of the high dose based on patient factors.
Materials and Methods
Since 2004, our institution has gradually increased the thoracic RT dose. Among the 225 patients who underwent CCRT, 84 patients (37.3%) received > 54 Gy. Because the patients treated with RT > 54 Gy were not randomly assigned, propensity score matching (PSM) was performed.
Results
The proportion of patients treated with > 54 Gy increased over time (p=0.014). Multivariate analysis revealed that the overall tumor stage and dose > 54 Gy (hazard ratio, 0.65; p=0.029) were independent prognostic factors for overall survival (OS). PSM confirmed that thoracic RT doses of > 54 Gy showed significantly improved progression-free survival (3-year, 42.7% vs. 24.0%; p < 0.001) and OS (3-year, 56.2% vs. 38.5%; p=0.003). Sensitivity analysis also showed that 60 Gy resulted in better survival than 54 Gy. However, in patients with underlying lung disease, OS benefit from > 54 Gy was not observed but considerable rates of severe pulmonary toxicities were observed (p=0.001).
Conclusion
Our analysis supports that the 60 Gy RT dose should be considered in the once-daily regimen of CCRT for limited-stage small cell lung cancer without underlying lung disease, but RT dose > 54 Gy did not seem to benefit for patients with chronic obstructive pulmonary disease or interstitial lung disease. Further study is needed to validate these results.

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The Dose/Fractionation Debate in Limited-Stage Small Cell Lung Cancer
Kaixin Du, Xuehong Liao, Kazushi Kishi
Cancers.2024; 16(10): 1908. CrossRef
Outcome of dose-escalated intensity-modulated radiotherapy for limited disease small cell lung cancer
Eunyeong Yang, Young Seob Shin, Ji Hyeon Joo, Wonsik Choi, Su Ssan Kim, Eun Kyung Choi, Jaeha Lee, Si Yeol Song
Radiation Oncology Journal.2023; 41(3): 199. CrossRef

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The Feasibility of Spinal Stereotactic Radiosurgery for Spinal Metastasis with Epidural Cord Compression: Yi-Jun Kim, Jin Ho Kim, Kyubo Kim, Hak Jae Kim, Eui Kyu Chie, Kyung Hwan Shin, Hong-Gyun Wu, Il Han Kim; Cancer Res Treat. 2019;51(4):1324-1335. Published online January 29, 2019; DOI: https://doi.org/10.4143/crt.2018.653

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Purpose
The purpose of this study was to investigate the effectiveness and safety of spinal stereotactic radiosurgery (SRS) in treating spinal metastasis with epidural spinal cord compression (ESCC).
Materials and Methods
During 2013-2016, 149 regions of spinal metastasis in 105 patients treated with singlefraction (12-24 Gy) spinal SRS were reviewed. Cord compression of Bilsky grade 2 (with visible cerebrospinal fluid [CSF]) or 3 (no visible CSF) was defined as ESCC. Local progression (LP) and vertebral compression fracture (VCF) rates after SRS were evaluated using multivariate competing-risk regression analysis.
Results
The 1-year cumulative incidences of LP for Bilsky grades 0 (n=80), 1 (n=39), 2 (n=21), and 3 (n=9) were 3.0%, 8.4%, 0%, and 24.9%, respectively. Bilsky grade 2 ESCC did not significantly increase the LP rate (no LP for grade 2). The 1-year cumulative incidences of VCF for Bilsky grades 0, 1, 2, and 3 were 6.6%, 5.2%, 17.1%, and 12.1%, respectively. ESCC may increase VCF risk (subhazard ratio [SHR] for grade 2, 5.368; p=0.035; SHR for grade 3, 2.215; p=0.460). Complete or partial pain response rates after SRS were 79%, 78%, 53%, and 63% for Bilsky grades 0, 1, 2, and 3, respectively (p=0.008). No neurotoxicity of grade ≥ 3 was observed.
Conclusion
Spinal SRS for spinal metastasis with Bilsky grade 2 ESCC did not increase the LP rate, was not associated with severe neurotoxicity, and showed moderate VCF and pain response rates. Bilsky grade 3 had a high LP rate.

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Efficacy and safety of SBRT for spine metastases: A systematic review and meta-analysis for preparation of an ESTRO practice guideline
R.S. Guninski, F. Cuccia, F. Alongi, N. Andratschke, C. Belka, D. Bellut, M. Dahele, M. Josipovic, T.E. Kroese, P. Mancosu, G. Minniti, M. Niyazi, U Ricardi, P. Munck af Rosenschold, A. Sahgal, Y. Tsang, W.F.A.R. Verbakel, M. Guckenberger
Radiotherapy and Oncology.2024; 190: 109969. CrossRef
Metastatic Spinal Lesion with Minimal Epidural Compression: Surgical Treatment or Stereotactic Radiotherapy?
O. I. Kit, D. E. Zakondyrin, A. A. Grin, E. E. Rostorguev, Y. V. Przhedetskiy, P. G. Sakun, V. I. Voshedskii, B. V. Matevosian, T. S. Shepelya
Creative surgery and oncology.2024; 14(2): 127. CrossRef
Surgical Interventions Following Radiotherapy in Spinal Metastases with Intermediate Instability: A Risk Factor Analysis: The Korean Society of Spinal Tumor Multicenter Study (KSST 2022-02)
Se-Jun Park, Jin Ho Kim, Yong Chan Ahn, Woong Sub Koom, Hwa Kyung Byun, Young-Hoon Kim, Sang-Il Kim, Dong-Ho Kang
Cancers.2024; 16(14): 2554. CrossRef
Development of a novel 12-point grading system for evaluating epidural spinal cord compression and its clinical implications
Xuyong Cao, Weihao Jiang, Xiongwei Zhao, Haikuan Yu, Mingxing Lei, Yuncen Cao, Xiuyun Su, Yaosheng Liu
The Spine Journal.2023; 23(12): 1858. CrossRef
Efficacy of Total En Bloc Spondylectomy versus Stereotactic Ablative Radiotherapy for Single Spinal Metastasis
Dong-Ho Kang, Wooseok Lee, Bong-Soon Chang, Hyoungmin Kim, Sam Yeol Chang, Seong Hwa Hong, Jin Ho Kim, Hee Jung Son
Cancers.2023; 15(23): 5518. CrossRef
Radiomic modeling to predict risk of vertebral compression fracture after stereotactic body radiation therapy for spinal metastases
Chengcheng Gui, Xuguang Chen, Khadija Sheikh, Liza Mathews, Sheng-Fu L. Lo, Junghoon Lee, Majid A. Khan, Daniel M. Sciubba, Kristin J. Redmond
Journal of Neurosurgery: Spine.2022; 36(2): 294. CrossRef
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Lanlan Guo, Lixin Ke, Ziyi Zeng, Chuanping Yuan, Ziwei Wu, Lei Chen, Lixia Lu
Medical Oncology.2022;[Epub] CrossRef
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Stephen Supple, Shahjehan Ahmad, Santhosh Gaddikeri, Miral D. Jhaveri
The British Journal of Radiology.2022;[Epub] CrossRef
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Daniel M. Sciubba, Zach Pennington, Matthew W. Colman, C. Rory Goodwin, Ilya Laufer, Joshua C. Patt, Kristin J. Redmond, Philip Saylor, John H. Shin, Joseph H. Schwab, Andrew J. Schoenfeld
The Spine Journal.2021; 21(9): 1414. CrossRef
An updated algorithm for the treatment of spinal metastasis
Kawngwoo Park, Seong Son, Sang Gu Lee, En Kyung Cho, Hee Kyung Ahn, In Keun Park, Sun Jin Sym, Young Saing Kim
Journal of the Korean Society of Stereotactic and Functional Neurosurgery.2021; 17(2): 70. CrossRef
Separation surgery for metastatic epidural spinal cord compression: A qualitative review
Giuseppe Di Perna, Fabio Cofano, Cristina Mantovani, Serena Badellino, Nicola Marengo, Marco Ajello, Ludovico Maria Comite, Giuseppe Palmieri, Fulvio Tartara, Francesco Zenga, Umberto Ricardi, Diego Garbossa
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Multidisciplinary management of metastatic spine disease: initial symptom-directed management
Jeremy M Steinberger, Frank Yuk, Amish H Doshi, Sheryl Green, Isabelle M Germano
Neuro-Oncology Practice.2020; 7(Supplement): i33. CrossRef

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Disulfiram, a Re-positioned Aldehyde Dehydrogenase Inhibitor, Enhances Radiosensitivity of Human Glioblastoma Cells In Vitro: Hyeon Kang Koh, Soo Yeon Seo, Jin Ho Kim, Hak Jae Kim, Eui Kyu Chie, Seung-Ki Kim, Il Han Kim; Cancer Res Treat. 2019;51(2):696-705. Published online August 13, 2018; DOI: https://doi.org/10.4143/crt.2018.249

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Purpose
Glioblastoma, the most common brain tumor in adults, has poor prognosis. The purpose of this study was to determine the effect of disulfiram (DSF), an aldehyde dehydrogenase inhibitor, on in vitro radiosensitivity of glioblastoma cells with different methylation status of O⁶-methylguanine-DNA methyltransferase (MGMT) promoter and the underlying mechanism of such effect.
Materials and Methods
Five human glioblastoma cells (U138MG, T98G, U251MG, U87MG, and U373MG) and one normal human astrocyte (NHA) cell were cultured and treated with DSF or 6MV X-rays (0, 2, 4, 6, and 8 Gy). For combined treatment, cells were treated with DSF before irradiation. Surviving fractions fit from cell survival based on colony forming ability. Apoptosis, DNA damage repair, and cell cycle distributionwere assayed bywestern blot for cleaved caspase-3, γH2AX staining, and flow cytometry, respectively.
Results
DSF induced radiosensitization in most of the glioblastoma cells, especially, in the cells with radioresistance as wildtype unmethylated promoter (MGMT-wt), but did not in normal NHA cell. DSF augmented or induced cleavage of caspase-3 in all cells after irradiation. DSF inhibited repair of radiation-induced DNA damage in MGMT-wt cells, but not in cells with methylated MGMT promoter. DSF abrogated radiation-induced G2/M arrest in T98G and U251MG cells.
Conclusion
Radiosensitivity of glioblastoma cells were preferentially enhanced by pre-irradiation DSF treatment compared to normal cell, especially radioresistant cells such as MGMT-wt cells. Induction of apoptosis or inhibition of DNA damage repair may underlie DSF-induced radiosensitization. Clinical benefit of combining DSF with radiotherapy should be investigated in the future.

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The role of KDM4A‐mediated histone methylation on temozolomide resistance in glioma cells through the HUWE1/ROCK2 axis
Xi‐Xi Li, Jia‐Kun Xu, Wei‐Jie Su, Hong‐Lin Wu, Kun Zhao, Chang‐Ming Zhang, Xiang‐Kun Chen, Li‐Xuan Yang
The Kaohsiung Journal of Medical Sciences.2024; 40(2): 161. CrossRef
Glioblastoma Therapy: Past, Present and Future
Elena Obrador, Paz Moreno-Murciano, María Oriol-Caballo, Rafael López-Blanch, Begoña Pineda, Julia Gutiérrez-Arroyo, Alba Loras, Luis Gonzalez-Bonet, Conrado Martinez-Cadenas, José Estrela, María Marqués-Torrejón
International Journal of Molecular Sciences.2024; 25(5): 2529. CrossRef
Exploring Disulfiram’s Anticancer Potential: PLGA Nano-Carriers for Prolonged Drug Delivery and Potential Improved Therapeutic Efficacy
Ibrahim Dumbuya, Ana Maria Pereira, Ibrahim Tolaymat, Adnan Al Dalaty, Basel Arafat, Matt Webster, Barbara Pierscionek, Mouhamad Khoder, Mohammad Najlah
Nanomaterials.2024; 14(13): 1133. CrossRef
Targeting Retinaldehyde Dehydrogenases to Enhance Temozolomide Therapy in Glioblastoma
Rafael Jiménez, Andrada Constantinescu, Muhube Yazir, Paula Alfonso-Triguero, Raquel Pequerul, Xavier Parés, Mileidys Pérez-Alea, Ana Paula Candiota, Jaume Farrés, Julia Lorenzo
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Clinical, pharmacological, and formulation evaluation of disulfiram in the treatment of glioblastoma - a systematic literature review
Beáta-Mária Benkő, Dimitrios A. Lamprou, Anna Sebestyén, Romána Zelkó, István Sebe
Expert Opinion on Drug Delivery.2023; 20(4): 541. CrossRef
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Recent Patents on Anti-Cancer Drug Discovery.2019; 14(2): 113. CrossRef

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Survey of the Patterns of Using Stereotactic Ablative Radiotherapy for Early-Stage Non-small Cell Lung Cancer in Korea: Sanghyuk Song, Ji Hyun Chang, Hak Jae Kim, Yeon Sil Kim, Jin Hee Kim, Yong Chan Ahn, Jae-Sung Kim, Si Yeol Song, Sung Ho Moon, Moon June Cho, Seon Min Youn; Cancer Res Treat. 2017;49(3):688-694. Published online October 31, 2016; DOI: https://doi.org/10.4143/crt.2016.219

Abstract PDF Supplementary Material PubReader ePub

Purpose
Stereotactic ablative radiotherapy (SABR) is an effective emerging technique for early-stage non-small cell lung cancer (NSCLC). We investigated the current practice of SABR for early-stage NSCLC in Korea.
Materials and Methods
We conducted a nationwide survey of SABR for NSCLC by sending e-mails to all board-certified members of the Korean Society for Radiation Oncology. The survey included 23 questions focusing on the technical aspects of SABR and 18 questions seeking the participants’ opinions on specific clinical scenarios in the use of SABR for early-stage NSCLC. Overall, 79 radiation oncologists at 61/85 specialist hospitals in Korea (71.8%) responded to the survey.
Results
SABR was used at 33 institutions (54%) to treat NSCLC. Regarding technical aspects, the most common planning methods were the rotational intensity-modulated technique (59%) and the static intensity-modulated technique (49%). Respiratory motion was managed by gating (54%) or abdominal compression (51%), and 86% of the planning scans were obtained using 4-dimensional computed tomography. In the clinical scenarios, the most commonly chosen fractionation schedule for peripherally located T1 NSCLC was 60 Gy in four fractions. For centrally located tumors and T2 NSCLC, the oncologists tended to avoid SABR for radiotherapy, and extended the fractionation schedule.
Conclusion
The results of our survey indicated that SABR is increasingly being used to treat NSCLC in Korea. However, there were wide variations in the technical protocols and fractionation schedules of SABR for early-stage NSCLC among institutions. Standardization of SABR is necessary before implementing nationwide, multicenter, randomized studies.

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Guidelines for safe practice of stereotactic body (ablative) radiation therapy: RANZCR 2023 update
Howard Yu‐hao Liu, Nicholas Hardcastle, Michael Bailey, Shankar Siva, Anna Seeley, Tamara Barry, Jeremy Booth, Louis Lao, Michelle Roach, Stacey Buxton, David Thwaites, Matthew Foote
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Sophia C. Kamran, David Palma, Matthew S. Katz, Anthony L. Zietman
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MiR-223-3p regulates cell viability, migration, invasion, and apoptosis of non-small cell lung cancer cells by targeting RHOB
Shufang Li, Yuping Feng, Yuxia Huang, Yu Liu, Yanxi Wang, Yan Liang, Hui Zeng, Hong Qu, Ling Wei
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Underexpression of HOXA11 Is Associated with Treatment Resistance and Poor Prognosis in Glioblastoma: Young-Bem Se, Seung Hyun Kim, Ji Young Kim, Ja Eun Kim, Yun-Sik Dho, Jin Wook Kim, Yong Hwy Kim, Hyun Goo Woo, Se-Hyuk Kim, Shin-Hyuk Kang, Hak Jae Kim, Tae Min Kim, Soon-Tae Lee, Seung Hong Choi, Sung-Hye Park, Il Han Kim, Dong Gyu Kim, Chul-Kee Park; Cancer Res Treat. 2017;49(2):387-398. Published online July 19, 2016; DOI: https://doi.org/10.4143/crt.2016.106

Abstract PDF Supplementary Material PubReader ePub

Purpose
Homeobox (HOX) genes are essential developmental regulators that should normally be in the silenced state in an adult brain. The aberrant expression of HOX genes has been associated with the prognosis of many cancer types, including glioblastoma (GBM). This study examined the identity and role of HOX genes affecting GBM prognosis and treatment resistance.
Materials and Methods
The full series of HOX genes of five pairs of initial and recurrent human GBM samples were screened by microarray analysis to determine the most plausible candidate responsible for GBM prognosis. Another 20 newly diagnosed GBM samples were used for prognostic validation. In vitro experiments were performed to confirm the role of HOX in treatment resistance. Mediators involved in HOX gene regulation were searched using differentially expressed gene analysis, gene set enrichment tests, and network analysis.
Results
The underexpression of HOXA11 was identified as a consistent signature for a poor prognosis among the HOX genes. The overall survival of the GBM patients indicated a significantly favorable prognosis in patients with high HOXA11 expression (31±15.3 months) compared to the prognoses in thosewith lowHOXA11 expression (18±7.3 months, p=0.03). When HOXA11 was suppressed in the GBM cell lines, the anticancer effect of radiotherapy and/or temozolomide declined. In addition, five candidate mediators (TGFBR2, CRIM1, TXNIP, DPYSL2, and CRMP1) that may confer an oncologic effect after HOXA11 suppression were identified.
Conclusion
The treatment resistance induced by the underexpression of HOXA11 can contribute to a poor prognosis in GBM. Further investigation will be needed to confirm the value of HOXA11 as a potential target for overcoming the treatment resistance by developing chemo- or radiosensitizers.

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Intratumoral IL-12 delivery via mesenchymal stem cells combined with PD-1 blockade leads to long-term antitumor immunity in a mouse glioblastoma model
Junseong Park, Soon A. Park, Yoon-Seob Kim, Dokyeong Kim, Sun Shin, Sug Hyung Lee, Sin-Soo Jeun, Yeun-Jun Chung, Stephen Ahn
Biomedicine & Pharmacotherapy.2024; 173: 115790. CrossRef
Dihydropyrimidinase‐like 2 can serve as a novel therapeutic target and prognostic biomarker in acute myeloid leukemia
Fenglin Li, Qing Ling, Jiaying Lian, Ying Chen, Chao Hu, Min Yang, Xiang Zhang, Chenying Li, Shihui Mao, Wenle Ye, Xia Li, Xiangjie Lin, Wenwen Wei, Xin Huang, Jiajia Pan, Yu Qian, Jinghan Wang, Ying Lu, Jie Jin
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Development and validation of a predictive model in diagnosis and prognosis of primary glioblastoma patients based on Homeobox A family
Zong-Qing Zheng, Gui-Qiang Yuan, Guo-Guo Zhang, Qian-Qian Nie, Zhong Wang
Discover Oncology.2023;[Epub] CrossRef
HOXA11-AS aggravates microglia-induced neuroinflammation after traumatic brain injury
Xiang-Long Li, Bin Wang, Fu-Bing Yang, Li-Gang Chen, Jian You
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Molecular implications of HOX genes targeting multiple signaling pathways in cancer
U Sangeetha Shenoy, Divya Adiga, Shama Prasada Kabekkodu, Keith D Hunter, Raghu Radhakrishnan
Cell Biology and Toxicology.2022; 38(1): 1. CrossRef
High expression ofHOXA4in patients with glioma indicates unfavorable clinical outcomes
Zhenghong Yu, Zhendong Liu, Xiaoyu Lian, Xingbo Cheng, Binfeng Liu, Bo Zhang, Hongbo Wang, Jialin Wang, Ang Li, Zhishuai Ren, Bo Pang, Rongjun Qian, Yanzheng Gao
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C. Kong, Z. Zhu, Y. Li, P. Xue, L. Chen
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Sara Momtazmanesh, Nima Rezaei
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Srikumar Chakravarthi, Barani Karikalan
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Céline S. Gonçalves, Elisa Le Boiteux, Philippe Arnaud, Bruno M. Costa
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Expression Profile and Prognostic Values of HOXA Family Members in Laryngeal Squamous Cell Cancer
Jinyun Li, Meng Ye, Chongchang Zhou
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Methylation in HOX Clusters and Its Applications in Cancer Therapy
Ana Paço, Simone Aparecida de Bessa Garcia, Renata Freitas
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N6-Methylandenosine-Related lncRNAs Are Potential Biomarkers for Predicting the Overall Survival of Lower-Grade Glioma Patients
Zewei Tu, Lei Wu, Peng Wang, Qing Hu, Chuming Tao, Kuangxun Li, Kai Huang, Xingen Zhu
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Lu‐Yan Shen, Ting Zhou, Ya‐Bing Du, Qi Shi, Ke‐Neng Chen
Cancer Science.2019; 110(5): 1735. CrossRef
An inverse interaction betweenHOXA11andHOXA11-ASis associated with cisplatin resistance in lung adenocarcinoma
Youwei Zhang, Yuan Yuan, Yang Li, Peiying Zhang, Pingsheng Chen, Sanyuan Sun
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Long noncoding RNA HOXA11-AS promotes gastric cancer cell proliferation and invasion via SRSF1 and functions as a biomarker in gastric cancer
Yun Liu, Yu-Mei Zhang, Feng-Bo Ma, Su-Rong Pan, Bao-Zhen Liu
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Laura P. Sutton, Sarah A. Jeffreys, Jessica L. Phillips, Phillippa C. Taberlay, Adele F. Holloway, Mark Ambrose, Ji-Hoon E. Joo, Arabella Young, Rachael Berry, Marketa Skala, Kate H. Brettingham-Moore
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Rui Li, Lingling Gong, Pin Li, Jing Wang, Liangliang Bi
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Rui Zhang, Tong-tong Zhang, Gao-qiang Zhai, Xian-yu Guo, Yuan Qin, Ting-qing Gan, Yu Zhang, Gang Chen, Wei-jia Mo, Zhen-bo Feng
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Adjuvant Treatment after Surgery in Stage IIIA Endometrial Adenocarcinoma: Mee Sun Yoon, Seung Jae Huh, Hak Jae Kim, Young Seok Kim, Yong Bae Kim, Joo-Young Kim, Jong-Hoon Lee, Hun Jung Kim, Jihye Cha, Jin Hee Kim, Juree Kim, Won Sup Yoon, Jin Hwa Choi, Mison Chun, Youngmin Choi, Kang Kyoo Lee, Myungsoo Kim, Jae-Uk Jeong, Sei Kyung Chang, Won Park; Cancer Res Treat. 2016;48(3):1074-1083. Published online October 29, 2015; DOI: https://doi.org/10.4143/crt.2015.356

Abstract PDF PubReader ePub

Purpose
We evaluated the role of adjuvant therapy in stage IIIA endometrioid adenocarcinoma patients who underwent surgery followed by radiotherapy (RT) alone or chemoradiotherapy (CTRT) according to risk group. Materials and Methods A multicenter retrospective study was conducted including patients with surgical stage IIIA endometrial cancertreated by radical surgery and adjuvant RT or CTRT. Disease-free survival (DFS) and overall survival (OS) were analyzed.
Results
Ninety-three patients with stage IIIA disease were identified. Nineteen patients (20.4%) experienced recurrence, mostly distant metastasis (17.2%). Combined CTRT did not affect DFS (74.1% vs. 82.4%, p=0.130) or OS (96.3% vs. 91.9%, p=0.262) in stage IIIA disease compared with RT alone. Patients with age ≥ 60 years, grade G2/3, and lymphovascular space involvement had a significantly worse DFS and those variables were defined as risk factors. The high-risk group showed a significant reduction in 5-year DFS (≥ 2 risk factors) (49.0% vs. 88.0%, p < 0.001) compared with the low-risk group (< 2). Multivariate analysis confirmed that more than one risk factor was the only predictor of worse DFS (hazard ratio, 5.45; 95% confidence interval, 2.12 to 13.98; p < 0.001). Of patients with no risk factors, a subset treated with RT alone showed an excellent 5-year DFS and OS (93.8% and 100%, respectively). Conclusion We identified a low-risk subset of stage IIIA endometrioid adenocarcinoma patients who might be reasonable candidates for adjuvant RT alone. Further randomized studies are needed to determine which subset might benefit from combined CTRT.

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Yeh C. Lee, Stephanie Lheureux, Amit M. Oza
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Radiation-Induced Sarcoma: A 15-Year Experience in a Single Large Tertiary Referral Center: Kyung Su Kim, Ji Hyun Chang, Noorie Choi, Han-Soo Kim, Ilkyu Han, Kyung Chul Moon, Il Han Kim, Hak Jae Kim; Cancer Res Treat. 2016;48(2):650-657. Published online September 9, 2015; DOI: https://doi.org/10.4143/crt.2015.171

Abstract PDF PubReader ePub

Purpose
The purpose of this study is to report on the incidence and the experience in management of radiation-induced sarcoma (RIS) at a large single center in Korea for 15 years.
Materials and Methods
We retrospectively reviewed the sarcoma registry of a large institution from January 2000 to April 2014.
Results
Out of the 3,674 patients listed in the registry, 33 patients (0.9%) diagnosed with RIS were identified. The median latency of RIS was 12.1 years. The number of cases of RIS increased from four cases in the years 2000-2003 to 14 cases in the years 2012-2014. The most common histology was osteosarcoma (36.4%). The median follow-up period was 23.1 months, the median overall survival (OS) of all patients was 2.9 years, and their 5-year survival rate was 44.7%. Univariate and multivariate analyses showed association of the age at diagnosis (p=0.01) and the treatment aim (p=0.001) with the OS. The median OS and the 5-year survival rate of patients treated with curative surgery (n=19) were 9.6 years and 65%, respectively, and of the conservatively treated patients, 0.7 years and 0% (n=14). Re-irradiation was delivered to nine patients, and radiation toxicity was observed in five patients.
Conclusion
In this study, RIS accounted for 0.9% of the cases of sarcoma, with increasing incidence. Despite the association of curative resection with increased survival, it could be applied to only 58% of the patients. Considering the limited treatment options for RIS, conduct of a genetic study to identify the underlying mechanism of RIS is needed.

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Erica Y. Kao, Abbye E. McEwen, James K. Aden, Stephanie K. Schaub, Robert W. Ricciotti, Jose G. Mantilla
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An Alternative Triage Strategy Based on Preoperative MRI for Avoiding Trimodality Therapy in Stage IB Cervical Cancer: Jung-Yun Lee, Jina Youm, Jae Weon Kim, Kidong Kim, Hak Jae Kim, Jeong Yeon Cho, Min A Kim, Noh Hyun Park, Yong-Sang Song; Cancer Res Treat. 2016;48(1):259-265. Published online March 20, 2015; DOI: https://doi.org/10.4143/crt.2014.370

Abstract PDF PubReader ePub

Purpose
Adjuvant chemoradiation following primary surgery is frequently indicated in patients with stage IB cervical cancer. The aim of this study is to evaluate the role of a magnetic resonance imaging (MRI)-based strategy in avoiding trimodality therapy.
Materials and Methods
We retrospectively reviewed all patients with stage IB cervical cancer treated initially with primary surgery at Seoul National University Hospital. We suggest an alternative triage strategy in which the primary treatment modality is determined based on preoperative MRI findings. Using this strategy, primary surgery is only indicated when there is no evidence of parametrial involvement (PMI) and lymph node metastasis (LNM) in the MRI results; when there is evidence of either or both of these factors, primary chemoradiation is selected. Assuming that this strategy is applied to our cohort, we evaluate how the rate of trimodality therapy is affected.
Results
Of the 254 patients in our sample, 77 (30.3%) had at least one category 1 risk factor (PMI, LNM, positive resection margin) upon pathologic examination. If the MRI-based strategy had been applied to our cohort, 168 patients would have undergone primary surgery and 86 would have undergone primary chemoradiation. Only 25 patients (9.8%) would have required trimodality therapy based on an indication of at least one category 1 pathologic risk factor following radical hysterectomy.
Conclusion
The inclusion of MRI in the decision-making process for primary treatment modality could have reduced the number of patients requiring trimodality therapy based on the indication of a category 1 risk factor from 30.3% to 9.8% in our cohort.

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Deep-learning-based radiomics of intratumoral and peritumoral MRI images to predict the pathological features of adjuvant radiotherapy in early-stage cervical squamous cell carcinoma
Xue-Fang Zhang, Hong-yuan Wu, Xu-Wei Liang, Jia-Luo Chen, Jianpeng Li, Shihao Zhang, Zhigang Liu
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Definitive Chemoradiotherapy versus Radical Hysterectomy Followed by Tailored Adjuvant Therapy in Women with Early-Stage Cervical Cancer Presenting with Pelvic Lymph Node Metastasis on Pretreatment Evaluation: A Propensity Score Matching Analysis
Jongmoo Park, Yeon-Joo Kim, Mi-Kyung Song, Joo-Hyun Nam, Sang-Yoon Park, Young-Seok Kim, Joo-Young Kim
Cancers.2021; 13(15): 3703. CrossRef
Quality of life among survivors of early-stage cervical cancer in Taiwan: an exploration of treatment modality differences
Chia-Chun Li, Ting-Chang Chang, Yun-Fang Tsai, Lynn Chen
Quality of Life Research.2017; 26(10): 2773. CrossRef
Parametrial Involvement on Magnetic ResonanceImaging Has No Effect on the Survival of Early-StageCervical Cancer Patients
Kyungmi Yang, Won Park, Seung Jae Huh, Byung Kwan Park, Chan Kyo Kim, Byoung-Gie Kim, Duk-Soo Bae, Jeong-Won Lee
International Journal of Gynecological Cancer.2017; 27(3): 507. CrossRef
Treatment strategies for stage IB cervical cancer: A cost-effectiveness analysis from Korean, Canadian and US perspectives
Jung-Yun Lee, Janice S. Kwon, David E. Cohn, Younhee Kim, Blair Smith, Tae-Jin Lee, Jae-Weon Kim
Gynecologic Oncology.2016; 140(1): 83. CrossRef

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In Vitro and In Vivo Radiosensitizing Effect of Valproic Acid on Fractionated Irradiation: Eui Kyu Chie, Jin Hee Shin, Jin Ho Kim, Hak Jae Kim, In Ah Kim, Il Han Kim; Cancer Res Treat. 2015;47(3):527-533. Published online November 24, 2014; DOI: https://doi.org/10.4143/crt.2014.026

Abstract PDF PubReader ePub

Purpose
This study was conducted in order to validate the radiosensitization effect of valproic acid, a biologically available histone deacetylase inhibitor, for fractionated radiation.
Materials and Methods
Radiosensitization effect of valproic acid was tested for the A549 cell line and U87MG cell line in vitro. Fractionated irradiation of 12 Gy in four fractions was administered on D2-5 with valproic acid, 150 mg/Kg, ip, bid for six consecutive days (D1-6) to A549 and U87MG tumors implanted in BALB/c-nude mice. A growth delay curve was formulated.
Results
Radiosensitization effect of valproic acid was found for both cell lines; A549 at 1.5 mM and 3.0 mM concentration and U87MG at 3.0 mM concentration. In growth delay analysis, a statistically significant radiosensitization effect was observed for both tumors (p < 0.001 for both tumors). Difference for change in slope for control and valproic acid versus radiotherapy and radiotherapy plus valproic acid showed borderline significance for the U87MG cell line (p=0.065), indicating beyond additive effect, whereas this difference was statistically insignificant for A549 tumor (p=0.951), indicating additive effect.
Conclusion

Results
of this study indicate that a radiosensitizing effect for fractionated radiotherapy of valproic acid for A549 and U87MG tumors in vivo is evident and that it may be more than additive for U87MG tumors. Further exploitation of histone deacetylase inhibitors in clinical trials is warranted.

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Anti-epileptic drug use during adjuvant chemo-radiotherapy is associated with poorer survival in patients with glioblastoma: A nationwide population-based cohort study
Peng-Yi Lee, Yu-Ting Wei, Kun-San Clifford Chao, Chin-Nan Chu, Wen-Hui Chung, Ti-Hao Wang*
Journal of Cancer Research and Therapeutics.2024; 20(2): 555. CrossRef
Valproic acid as a radio-sensitizer in glioma: A systematic review and meta-analysis
Jessica K Sullivan, Paul P Fahey, Kinglsey E Agho, Simon P Hurley, Zhihui Feng, Richard O Day, David Lim
Neuro-Oncology Practice.2023; 10(1): 13. CrossRef
The function of histone methylation and acetylation regulators in GBM pathophysiology
Colin McCornack, Timothy Woodiwiss, Angela Hardi, Hiroko Yano, Albert H. Kim
Frontiers in Oncology.2023;[Epub] CrossRef
Antitumor Activity of Non-thermal Atmospheric Pressure Plasma and Synergistic Effects of Hyperthermia
TETSUO ADACHI
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Epigenetic-Like Stimulation of Receptor Expression in SSTR2 Transfected HEK293 Cells as a New Therapeutic Strategy
Joerg Kotzerke, Dorothee Buesser, Anne Naumann, Roswitha Runge, Lisa Huebinger, Andrea Kliewer, Robert Freudenberg, Claudia Brogsitter
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Molecular Mechanisms Underlying Cellular Responses to the Loading of Non-thermal Atmospheric Pressure Plasma-activated Solutions
Tetsuo Adachi
YAKUGAKU ZASSHI.2021; 141(10): 1185. CrossRef
Ability of plasma-activated acetated Ringer’s solution to induce A549 cell injury is enhanced by a pre-treatment with histone deacetylase inhibitors
Tetsuo Adachi, Yumiko Matsuda, Rika Ishii, Tetsuro Kamiya, Hirokazu Hara
Journal of Clinical Biochemistry and Nutrition.2020; 67(3): 232. CrossRef
Effect of valproic acid on overall survival in patients with high-grade gliomas undergoing temozolomide
Yu-Jen Kuo, Yao-Hsu Yang, I-Yun Lee, Pau-Chung Chen, Jen-Tsung Yang, Ting-Chung Wang, Martin Hsiu-Chu Lin, Wei-Hsun Yang, Chun-Yu Cheng, Kuo-Tai Chen, Wei-Chao Huang, Ming-Hsueh Lee
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Valproic Acid Sensitizes Hepatocellular Carcinoma Cells to Proton Therapy by Suppressing NRF2 Activation
Jeong Il Yu, Changhoon Choi, Sung-Won Shin, Arang Son, Ga-Haeng Lee, Shin-Yeong Kim, Hee Chul Park
Scientific Reports.2017;[Epub] CrossRef
Histone deacetylase inhibitors stimulate the susceptibility of A549 cells to a plasma-activated medium treatment
Tetsuo Adachi, Ayame Kano, Saho Nonomura, Tetsuro Kamiya, Hirokazu Hara
Archives of Biochemistry and Biophysics.2016; 606: 120. CrossRef
Does Valproic Acid or Levetiracetam Improve Survival in Glioblastoma? A Pooled Analysis of Prospective Clinical Trials in Newly Diagnosed Glioblastoma
Caroline Happold, Thierry Gorlia, Olivier Chinot, Mark R. Gilbert, L. Burt Nabors, Wolfgang Wick, Stephanie L. Pugh, Monika Hegi, Timothy Cloughesy, Patrick Roth, David A. Reardon, James R. Perry, Minesh P. Mehta, Roger Stupp, Michael Weller
Journal of Clinical Oncology.2016; 34(7): 731. CrossRef

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Sequence-Dependent Radiosensitization of Histone Deacetylase Inhibitors Trichostatin A and SK-7041: Jin Ho Kim, Il Han Kim, Jin Hee Shin, Hak Jae Kim, In Ah Kim; Cancer Res Treat. 2013;45(4):334-342. Published online December 31, 2013; DOI: https://doi.org/10.4143/crt.2013.45.4.334

Abstract PDF PubReader ePub

PURPOSE
This preclinical study is to determine whether the capacity of histone deacetylase (HDAC) inhibitors to enhance radiation response depends on temporal sequences of HDAC inhibition and irradiation.
MATERIALS AND METHODS
The effects of HDAC inhibitors trichostatin A (TSA) and SK-7041 on radiosensitivity in human lung cancer cells were examined using a clonogenic assay, exposing cells to HDAC inhibitors in various sequences of HDAC inhibition and radiation. We performed Western blot of acetylated histone H3 and flow cytometry to analyze cell cycle phase distribution.
RESULTS
TSA and SK-7041 augmented radiation cell lethality in an exposure time-dependent manner when delivered before irradiation. The impact of TSA and SK-7041 on radiosensitivity rapidly diminished when HDAC inhibition was delayed after irradiation. Radiation induced the acetylation of histone H3 in cells exposed to TSA, while irradiation alone had no effect on the expression of acetylated histone H3 in TSA-naive cells. Preirradiation exposure to TSA abrogated radiation-induced G2/M-phase arrest. When delivered after irradiation, TSA had no effect on the peak of radiation-induced G2/M-phase arrest.
CONCLUSION
TSA and SK-7041 enhances radiosensitivity only when delivered before irradiation. Unless proven otherwise, it seems prudent to apply scheduling including preirradiation HDAC inhibition so that maximal radiosensitization is obtained.

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Mechanistic Sequence of Histone Deacetylase Inhibitors and Radiation Treatment: An Overview
Elsie Neo Seane, Shankari Nair, Charlot Vandevoorde, Anna Joubert
Pharmaceuticals.2024; 17(5): 602. CrossRef
Investigation of geroprotective and radioprotective effects of berberine and trichostatin A on the model of Drosophila melanogaster
N. Ulyasheva, E. Proshkina, M. Shaposhnikov, A. Moskalev
Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences.2023; 0(6): 93. CrossRef
Low Dose of Trichostatin A Improves Radiation Resistance by Activating Akt/Nrf2-Dependent Antioxidation Pathway in Cancer Cells
Fengqiu Zhang, Changsheng Shao, Zhu Chen, Yalin Li, Xumiao Jing, Qing Huang
Radiation Research.2021;[Epub] CrossRef
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Yi-Jun Kim, Kwangsoo Kim, Soo Yeon Seo, Juyeon Yu, Il Han Kim, Hak Jae Kim, Chul-Kee Park, Kye Hwa Lee, Junjeong Choi, Myung Seon Song, Jin Ho Kim
Animal Cells and Systems.2021; 25(4): 245. CrossRef
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Fengqiu Zhang, Zhu Chen, Changsheng Shao, Qing Huang
Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis.2019; 813: 13. CrossRef
Disulfiram, a Re-positioned Aldehyde Dehydrogenase Inhibitor, Enhances Radiosensitivity of Human Glioblastoma Cells In Vitro
Hyeon Kang Koh, Soo Yeon Seo, Jin Ho Kim, Hak Jae Kim, Eui Kyu Chie, Seung-Ki Kim, Il Han Kim
Cancer Research and Treatment.2019; 51(2): 696. CrossRef
Psammaplin A-Modified Novel Radiosensitizers for Human Lung Cancer and Glioblastoma Cells
Chan Woo Wee, Jin Ho Kim, Hak Jae Kim, Hyun-Cheol Kang, Soo Youn Suh, Beom Soo Shin, Eunsook Ma, Il Han Kim
Journal of Radiation Protection and Research.2019; 44(1): 15. CrossRef
Isotype-Specific Inhibition of Histone Deacetylases: Identification of Optimal Targets for Radiosensitization
Jin Ho Kim, Sung Ho Moon, Mina No, Jae Jin Kim, Eun Jung Choi, Bong Jun Cho, Jae Sung Kim, Il Han Kim, In Ah Kim
Cancer Research and Treatment.2016; 48(3): 1130. CrossRef

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Role of Postoperative Radiotherapy for Microscopic Margin Involvement in the Squamous Cell Carcinoma of Esophagus: Sanghyuk Song, Eui Kyu Chie, Hak Jae Kim, Chang-Hyun Kang, Young Tae Kim, Joo Hyun Kim, Charn Il Park; Cancer Res Treat. 2013;45(3):202-209. Published online September 30, 2013; DOI: https://doi.org/10.4143/crt.2013.45.3.202

Abstract PDF PubReader ePub

PURPOSE
The objective of this study was to assess the effect of postoperative radiotherapy on the outcome of esophageal cancer with microscopically positive resection margin by comparing the results with those of patients with negative resection margin.
MATERIALS AND METHODS
Medical records of 88 patients treated with macroscopic resection followed by postoperative radiotherapy for stage II or III squamous cell carcinoma of the esophagus from June 1984 to March 2008 were reviewed. Twelve patients had received chemotherapy. Patients were classified into two groups based on resection margin status: negative resection margin (group A, n=66) and microscopically positive resection margin (group B, n=22). Median follow-up duration of living patients was 68 months (range, 18 to 115 months). Median total radiation dose of group A and group B was 51.5 Gy (range, 45 to 69 Gy) and 52.1 Gy (range, 45 to 64 Gy), respectively.
RESULTS
Median overall survival and disease-free survival were 15 and 10 months, respectively. The five-year overall survival, disease-free survival, and local control rates for group A and group B were 15.9% and 16.4%, 13.5% and 9.1%, and 76.3% and 69.6%, respectively. No statistically significant difference in terms of overall survival, disease-free survival, and local control (p=0.295, p=0.209, and p=0.731, respectively) was observed between group A and group B. Seven patients experienced toxicity of grade 3 or higher.
CONCLUSION
A significant portion of patients with margin involvement reached long term survival after addition of postoperative radiotherapy. These results suggest a potential role of postoperative radiotherapy, especially for patients with margin involvement.

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Efficacy of postoperative radiotherapy in esophageal squamous cell carcinoma patients with positive circumferential resection margin
Reiko Otake, Akihiko Okamura, Kotaro Yamashita, Yu Imamura, Jun Kanamori, Ryotaro Kozuki, Keita Takahashi, Tasuku Toihata, Noriko Yamamoto, Takao Asari, Shinji Mine, Masayuki Watanabe
Esophagus.2021; 18(2): 288. CrossRef
The Impact of Adjuvant Postoperative Radiation Therapy and Chemotherapy on Survival After Esophagectomy for Esophageal Carcinoma
Andrew T. Wong, Meng Shao, Justin Rineer, Anna Lee, David Schwartz, David Schreiber
Annals of Surgery.2017; 265(6): 1146. CrossRef
Alpha linolenic acid and oleic acid additively down-regulate malignant potential and positively cross-regulate AMPK/S6 axis in OE19 and OE33 esophageal cancer cells
Hyun-Seuk Moon, Saime Batirel, Christos S. Mantzoros
Metabolism.2014; 63(11): 1447. CrossRef

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Impact of Chemoradiation on Prognosis in Stage IVB Cervical Cancer with Distant Lymphatic Metastasis: Hee Seung Kim, Taehun Kim, Eung Seok Lee, Hak Jae Kim, Hyun Hoon Chung, Jae Weon Kim, Yong Sang Song, Noh Hyun Park; Cancer Res Treat. 2013;45(3):193-201. Published online September 30, 2013; DOI: https://doi.org/10.4143/crt.2013.45.3.193

Abstract PDF PubReader ePub

PURPOSE
The purpose of this study was to determine whether chemoradiation (CCR) is efficient for improving prognosis, compared with systemic chemotherapy (SC), in patients with stage IVB cervical cancer who have distant lymphatic metastasis.
MATERIALS AND METHODS
Among 2,322 patients with cervical cancer between January 2000 and March 2010, 43 patients (1.9%) had stage IVB disease. After exclusion of 19 patients due to insufficient data and hematogenous metastasis, 24 patients (1%) who received CCR (n=10) or SC (n=14) were enrolled. We compared tumor response, progression-free survival (PFS) and overall survival (OS), and disease recurrence between CCR and SC.
RESULTS
Complete response rates were 60% and 0% after CCR and SC (p<0.01). Grade 3 or 4 leukopenia was more common in patients treated with CCR (24.4% vs. 9.1%, p=0.03), whereas grade 3 or 4 neuropenia was more frequent in those treated with SC (28.4% vs. 11.1%, p=0.03). Development of grade 3 proctitis occurred as a late radiotherapy (RT)-related toxicity in only one patient (10%) treated with CCR. In addition, squamous cell carcinoma and CCR were favorable prognostic factors for improvement of PFS (adjusted hazard ratios [HRs], 0.17 and 0.12; 95% confidence intervals [CIs], 0.04 to 0.80 and 0.03 to 0.61), and only CCR was significant for improvement of OS (adjusted HR, 0.15; 95% CI, 0.02 to 0.90). However, no differences in the rate and pattern of disease recurrence were observed between CCR and SC.
CONCLUSION
CCR may be more effective than SC for improving survival, and can be regarded as a feasible method with some caution regarding late RT-related toxicity for treatment of stage IVB cervical cancer with distant lymphatic metastasis.

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Intensity-Modulated Radiation Therapy for Uterine Cervical Cancer to Reduce Toxicity and Enhance Efficacy – an Option or a Must?: A Narrative Review
Sea-Won Lee, Aeran Kim, Sung Jong Lee, Sung Hwan Kim, Jong Hoon Lee
Cancer Research and Treatment.2024; 56(1): 1. CrossRef
Outcomes associated with treatment to all sites of disease in patients with stage IVB cancer of the cervix
Shira Peleg Hasson, Shira Felder, Limor Helpman, Alexandra Taylor, Mihal Shalamov, Sireen Abuakar, Smadar Bauer, Ronnie Shapira-Frommer, Inbal Greenhouse, Jacob Korach, Tatiana Rabin, Jeffrey Goldstein, Akram Saad
International Journal of Gynecological Cancer.2023; 33(5): 683. CrossRef
Definitive pelvic radiotherapy for patients with newly diagnosed stage IVB cervical cancer: a systematic review
David Viveros-Carreño, Santiago Vieira-Serna, Carlos Fernando Grillo - Ardila, Juliana Rodriguez, Nathalia Mora-Soto, Anuja Jhingran, Pedro T Ramirez, Rene Pareja
International Journal of Gynecological Cancer.2023; 33(7): 1057. CrossRef
Definitive vs palliative pelvic radiation for patients with newly diagnosed stage IVB cervical cancer treated with bevacizumab – An exploratory study
Rachel L. Wiley, Ioana L. Bondre, Randa Jalloul, Ann H. Klopp, Jolyn S. Taylor, Lois M. Ramondetta
Gynecologic Oncology Reports.2022; 40: 100963. CrossRef
Survival, treatment pattern, and treatment outcome in patients with cervical cancer metastatic to distant lymph nodes
Haoliang Lin, Dongyan Wang, Hui Li, Chuling Wu, Fengqian Zhang, Zhongqiu Lin, Tingting Yao
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Dynamic Nomogram Based on the Metastatic Number and Sites and Therapy Strategies Predicting the Prognosis of Patients with Metastatic Cervical Cancer
Yuan Ma, Jing Li, Xinyue Tan, Mengjiao Cai, Xiaozhi Zhang, Jinlu Ma
International Journal of Women's Health.2022; Volume 14: 1807. CrossRef
Significance of Concurrent Chemoradiotherapy as Primary Treatment in Patients with Metastatic Cervical Cancer
Satomi Hattori, Nobuhisa Yoshikawa, Kazumasa Mogi, Kosuke Yoshida, Masato Yoshihara, Satoshi Tamauchi, Yoshiki Ikeda, Akira Yokoi, Kimihiro Nishino, Kaoru Niimi, Shiro Suzuki, Hiroaki Kajiyama
Current Oncology.2021; 28(3): 1663. CrossRef
A Nomogram-Based Risk Classification System Predicting the Overall Survival of Patients With Newly Diagnosed Stage IVB Cervix Uteri Carcinoma
Wenke Yu, Lu Huang, Zixing Zhong, Tao Song, Hong'en Xu, Yongshi Jia, Jinming Hu, Huafeng Shou
Frontiers in Medicine.2021;[Epub] CrossRef
Defining the role of high-dose radiation in oligometastatic & oligorecurrent cervical cancer
Akshay Mangaj, Supriya Chopra, Remi A. Nout
Indian Journal of Medical Research.2021; 154(2): 303. CrossRef
Surgery of primary sites for stage IVB cervical cancer patients receiving chemoradiotherapy: a population-based study
Haoran Li, Yangyang Pang, Xi Cheng
Journal of Gynecologic Oncology.2020;[Epub] CrossRef
Intensity modulated radiation therapy boost in locally-advanced cervical cancer in the absence of brachytherapy
Roberta Lazzari, Giulia Riva, Matteo Augugliaro, Andrea Vavassori, Samantha Dicuonzo, Federica Cattani, Stefania Comi, Nicoletta Colombo, Barbara Alicja Jereczek-Fossa
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Sarcopenia as a Predictor of Survival Among Patients With Organ Metastatic Cervical Cancer
Nobuhisa Yoshikawa, Akira Shirakawa, Kosuke Yoshida, Satoshi Tamauchi, Shiro Suzuki, Fumitaka Kikkawa, Hiroaki Kajiyama
Nutrition in Clinical Practice.2020; 35(6): 1041. CrossRef
Effect of addition of bevacizumab to chemoradiotherapy in newly diagnosed stage IVB cervical cancer: a single institution experience in Korea
Sang Hee Youn, Yeon-Joo Kim, Sang-Soo Seo, Sokbom Kang, Myong Cheol Lim, Ha Kyun Chang, Sang-Yoon Park, Joo-Young Kim
International Journal of Gynecological Cancer.2020; 30(6): 764. CrossRef
Detection of distant metastatic disease by positron emission tomography with 18F-fluorodeoxyglucose (FDG-PET) at initial staging of cervical carcinoma
Alexander Lin, Sirui Ma, Farrokh Dehdashti, Stephanie Markovina, Julie Schwarz, Barry Siegel, Matthew Powell, Perry Grigsby
International Journal of Gynecological Cancer.2019; 29(3): 487. CrossRef
Score for the Overall Survival Probability of Patients With First-Diagnosed Distantly Metastatic Cervical Cancer: A Novel Nomogram-Based Risk Assessment System
Shilong Zhang, Xin Wang, Zhanming Li, Wenrong Wang, Lishun Wang
Frontiers in Oncology.2019;[Epub] CrossRef
Special Focus on Stage IV Cervical Cancer Patients: A Decade Experience
Sophie Espenel, Max Adrien Garcia, Julien Langrand-Escure, Alexis Vallard, Jane Chloé Trone, Chloé Rancoule, Nicolas Vial, Pablo Moreno-Acosta, Céline Chauleur, Claire Boutet, Michel Peoc'h, Nathalie Prevot-Bitot, Jean Baptiste Guy, Nicolas Magné
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Xiaomin Liu, Jingwen Peng, Jie He, Qiaoran Li, Jianbin Zhou, Xiaoqiu Liang, Shengsong Tang
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Radiotherapy Improves the Survival of Patients With Metastatic Cervical Cancer: A Propensity-Matched Analysis of SEER Database
Kejie Huang, Mingfang Jia, Ping Li, Jianglong Han, Rui Zhang, Qin Li, Yunfeng Qiao, TangPeng Xu, Peng Ruan, Qibin Song, Yanbo Li, Zhenming Fu
International Journal of Gynecological Cancer.2018; 28(7): 1360. CrossRef
Race and nodal disease status are prognostic factors in patients with stage IVB cervical cancer
Shin Nishio, Koji Matsuo, Koji Yonemoto, Mototsugu Shimokawa, Masayuki Hosaka, Michiko Kodama, Takahito M. Miyake, Kimio Ushijima, Toshiharu Kamura, Shannon N. Westin, Pamela T. Soliman, Robert L. Coleman
Oncotarget.2018; 9(64): 32321. CrossRef
Predictors of Survival in Patients With FIGO Stage IVB Cervical Cancer
Tomoyuki Sasano, Seiji Mabuchi, Hiromasa Kuroda, Ryoko Takahashi, Katsumi Kozasa, Fumiaki Isohashi, Yasuo Yoshioka, M.D. Kazuhiko Ogawa, Tadashi Kimura
International Journal of Gynecological Cancer.2016; 26(3): 528. CrossRef
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Haoran Li, Xiaohua Wu, Xi Cheng
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Jung Ho Im, Hong In Yoon, Sunghoon Kim, Eun Ji Nam, Sang Wun Kim, Ga Won Yim, Ki Chang Keum, Young Tae Kim, Gwi Eon Kim, Yong Bae Kim
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Adriana Bermudez, Neerja Bhatla, Eric Leung
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Doo-Yi Oh, Seokhwi Kim, Yoon-La Choi, Young Jae Cho, Ensel Oh, Jung-Joo Choi, Kyungsoo Jung, Ji-Young Song, Suzie E. Ahn, Byoung-Gie Kim, Duk-Soo Bae, Woong-Yang Park, Jeong-Won Lee, Sangyong Song
Oncotarget.2015; 6(34): 36219. CrossRef
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Peng Zhang, Hong Li, Bin Yang, Fan Yang, Lin-Lin Zhang, Qing-You Kong, Xiao-Yan Chen, Mo-Li Wu, Jia Liu
Genes & Cancer.2014; 5(5-6): 154. CrossRef

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Influence of Comorbidities on the Efficacy of Radiotherapy with or without Chemotherapy in Elderly Stage III Non-small Cell Lung Cancer Patients: Joo Ho Lee, Hong-Gyun Wu, Hak Jae Kim, Dong-Wan Kim, Se-Hoon Lee, Tae Min Kim, Young Whan Kim, Dae Seog Heo; Cancer Res Treat. 2012;44(4):242-250. Published online December 31, 2012; DOI: https://doi.org/10.4143/crt.2012.44.4.242

Abstract PDF PubReader ePub

PURPOSE
The current study was conducted in order to evaluate the clinical outcome of radical radiotherapy (RT) with or without chemotherapy for elderly patients with stage III non-small cell lung cancer (NSCLC).
MATERIALS AND METHODS
Between 1990 and 2010, 125 patients, aged 70 years or more, received radical RT with or without chemotherapy for treatment of stage III NSCLC. We reviewed the patients' prognostic factors, including comorbidities. Comorbidity status was evaluated using a simplified comorbidity score (SCS). Of the patients reviewed, 82 received radical RT alone, whereas the other 43 patients underwent chemoradiotherapy (CRT). A platinum-based chemotherapy regimen was most commonly used (42/43).
RESULTS
The two-year overall-survival (OS) and progression-free survival (PFS) rates were 32.2% and 21.8%, respectively. SCS was the independent prognostic factor for OS. In the frail elderly subgroup with a SCS of > or =10, CRT demonstrated a significant difference in PFS, but not in OS. In contrast, OS and PFS following CRT were significantly superior to RT in the fit elderly subgroup with a SCS of <10. The incidence of severe pulmonary toxicities in the frail elderly subgroup was significantly higher than that in the fit elderly subgroup.
CONCLUSION
Multiple comorbidities evaluated according to the SCS are related to poor OS in elderly patients with stage III NSCLC. CRT improved clinical outcome when compared to RT in the fit elderly subgroup, however, the gain from this treatment was negated in the frail elderly subgroup with multiple comorbidities. Therefore, evaluation of comorbidity is necessary in order to determine whether chemotherapy should be combined with RT in elderly patients with stage III NSCLC.

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Olfred Hansen, Tine Schytte, Morten Nielsen, Carsten Brink
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Clinical Lung Cancer.2015; 16(3): 183. CrossRef
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Phase II Study of Consolidation Chemotherapy after Adjuvant or Primary Concurrent Chemoradiation Using Paclitaxel and Carboplatin to Treat High-Risk Early-Stage or Locally Advanced Cervical Cancer: Hee Seung Kim, Mi-Kyung Kim, Hak Jae Kim, Seung-Su Han, Jae Weon Kim; Cancer Res Treat. 2012;44(2):97-103. Published online June 30, 2012; DOI: https://doi.org/10.4143/crt.2012.44.2.97

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PURPOSE
This study investigated the efficacy and toxicity associated with consolidation chemotherapy using paclitaxel and carboplatin after concurrent chemoradiation (CCR) in cervical cancer patients.
MATERIALS AND METHODS
From a total of 37 patients, 19 with International Federation of Gynecology and Obstetrics (FIGO) stage IB1-IIA cervical cancer (group 1) underwent surgery followed by consolidation chemotherapy after CCR, and 18 with stage IIB-IVA disease (group 2) received consolidation chemotherapy after primary CCR. Three cycles of chemotherapy using paclitaxel (135 mg/m2) and carboplatin (AUC 5.0) were administered every 3 weeks for CCR therapy, and three cycles of consolidation chemotherapy using paclitaxel (175 mg/m2) and carboplatin (AUC 5.0) were used every 3 weeks after CCR.
RESULTS
The complete and partial response rates were 77.8% and 22.2% in group 2. Moreover, the 3-year progression-free and overall survival rates were 62.7% and 90.9% in group 1, and 51.9% and 60% in group 2, respectively. The most common grade 3 or 4 hematologic toxicities observed were leukopenia (group 1, 10.5%; group 2, 13.0%) and neutropenia (group 1, 7.0%; group 2, 14.8%), and grade 3 or 4 diarrhea (group 1, 1.8%) and febrile illness (group 2, 1.9%) were the most frequently observed non-hematologic toxicities. When we compared these results with previous reports, consolidation chemotherapy after CCR using paclitaxel and carboplatin revealed a relatively lower complete response rate (77.8% vs. 87-100%, respectively) and shorter progression-free survival (51.9-62.7% vs. 81-86%, respectively) and overall survival (60-90.9% vs. 81-95%, respectively) in spite of similar toxicity findings.
CONCLUSION
Due to low efficacy results, consolidation chemotherapy using paclitaxel and carboplatin after CCR is not a feasible treatment regimen for high-risk early-stage or locally advanced cervical cancer.

Citations

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Treatment Outcome of Brain Metastasis after the Cranial Radiotherapy Followed by Fractionated Stereotactic Radiotherapy and Its Prognostic Factors: Hak Jae Kim, Semie Hong, Suzy Kim, Jin Ho Kim, Il Han Kim, Charn Il Park, Sung Whan Ha, Hong Gyun Wu, Wee Saing Kang; Cancer Res Treat. 2002;34(4):284-288. Published online August 31, 2002; DOI: https://doi.org/10.4143/crt.2002.34.4.284

Abstract PDF

To evaluate the effectiveness of whole brain radiotherapy followed by stereotactic radiotherapy for newly diagnosed brain metastasis.
MATERIALS AND METHODS
Thirty-three metastatic brain tumors received radiotherapy to the whole brain and stereotactic radiotherapy in 25 patients. Lung carcinomas were the most common (17/25) primary tumor. The radiation dose was 30 to 40 Gy for the whole brain, with a 12 to 40 Gy boost to the metastatic foci. Survival and local control rates were determined, and the prognostic factors for survival were evaluated.
RESULTS
The overall median survival was 15 months and the actuarial survivals at 1- and 2-year were 67% and 31%, respectively. The local tumor control rate was 79%, with a median follow-up period of 9 months (2~36 months). The prognostic factors associated with survival were age, tumor size and the existence of active extracranial metastasis, with the performance status showing marginal significance. No acute or chronic complications were observed in the patients.
CONCLUSION
From our data, cranial radiotherapy followed by stereotactic radiotherapy was useful in the local control of metastatic tumors, and in the survival of patients with tumor factors, such as small size or the absence of extracranial tumor activity, and host factors, such as young age or good performance status.

Citations

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Prognostic Factors and Survival Outcome of Whole Brain Radiotherapy in Metastatic Brain Cancer- A Single Regional Cancer Centre Experience in North India
Purnima Thakur, Aman Sharma, Manish Gupta, Anupama Dhiman, Jyoti Sharma
Journal of Evolution of Medical and Dental Sciences.2019; 8(43): 3206. CrossRef
Clinical outcome of central nervous system metastases from breast cancer: differences in survival depending on systemic treatment
Hee-Jun Kim, Seock-Ah Im, Bhumsuk Keam, Yu-Jung Kim, Sae-Won Han, Tae Min Kim, Do-Youn Oh, Jee Hyun Kim, Se-Hoon Lee, Eui Kyu Chie, Wonshik Han, Dong-Wan Kim, Tae-You Kim, Dong-Young Noh, Dae Seog Heo, In Ae Park, Yung-Jue Bang, Sung Whan Ha
Journal of Neuro-Oncology.2012; 106(2): 303. CrossRef

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