Cancer Research and Treatment

Original Articles

Ten-Year Follow-Up Clinical Outcomes and the Role of Adjuvant Chemotherapy in HER2-Positive Patients with Microinvasive Breast Cancer: Yeokyeong Shin, Soo-Young Lee, Hyehyun Jeong, Jin-Hee Ahn, Kyung Hae Jung, Sung-Bae Kim, Hee Jeong Kim, Jong Won Lee, Byung Ho Son, BeomSeok Ko, Ji Sun Kim, Il Yong Chung, Hee Jin Lee, Gyungyub Gong, Sae Byul Lee, Jae Ho Jeong; Received November 22, 2024 Accepted March 3, 2025 Published online March 5, 2025; DOI: https://doi.org/10.4143/crt.2024.1120 [Accepted]

Abstract PDF: Purpose
Although HER2 positivity is prevalent in microinvasive breast cancer (MIBC), data focused on HER2-positive MIBC are limited. We investigated the clinical course and long-term outcomes of HER2-positive MIBC and evaluated the role of adjuvant chemotherapy.
Materials and Methods
The study included patients with curatively resected pT1mi pN0 HER2-positive breast cancer between January 2000 and January 2020. Treatments and survival outcomes, including invasive breast cancer-free survival (IBCFS), distant recurrence-free survival (DRFS), and overall survival (OS) were analyzed.
Results
The analysis included 799 female patients. The median age was 51 years (range, 23–79), and 51.6% (n=412) were premenopausal. Multifocality was confirmed in 17.3% (n=138), and estrogen receptor (ER) positivity in 29.8% (n = 238). Adjuvant chemotherapy was administered to 17.5% (n=140), with doxifluridine in 96.4% of cases. One patient (0.1%) received trastuzumab. With a median follow-up of 119.0 months (95% CI, 114.0–127.0), the 8-year IBCFS, DRFS, and OS were 91.2% (95% CI, 89.1–93.3), 97.5% (95% CI, 96.4–98.7), and 98.8% (95% CI, 98.0–99.6), respectively. No significant differences were observed between patients with and without adjuvant chemotherapy. The lack of differences in IBCFS by chemotherapy was consistent across subgroups, including pre-/postmenopausal patients, grade 1-2/3 tumors, and ER-negative disease.
Conclusion
A clinically meaningful proportion of HER2-positive MIBC patients experience IBCFS events with long-term follow-up. Adjuvant chemotherapy did not improve survival, potentially due to the use of an outdated, ineffective regimen. The role of modern adjuvant regimens, particularly those incorporating HER2-targeted therapy, warrants further exploration.

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General

The Survival and Financial Benefit of Investigator-Initiated Trials Conducted by Korean Cancer Study Group: Bum Jun Kim, Chi Hoon Maeng, Bhumsuk Keam, Young-Hyuck Im, Jungsil Ro, Kyung Hae Jung, Seock-Ah Im, Tae Won Kim, Jae Lyun Lee, Dae Seog Heo, Sang-We Kim, Keunchil Park, Myung-Ju Ahn, Byoung Chul Cho, Hoon-Kyo Kim, Yoon-Koo Kang, Jae Yong Cho, Hwan Jung Yun, Byung-Ho Nam, Dae Young Zang; Cancer Res Treat. 2025;57(1):39-46. Published online July 10, 2024; DOI: https://doi.org/10.4143/crt.2024.421

Abstract PDF PubReader ePub: Purpose
The Korean Cancer Study Group (KCSG) is a nationwide cancer clinical trial group dedicated to advancing investigator-initiated trials (IITs) by conducting and supporting clinical trials. This study aims to review IITs conducted by KCSG and quantitatively evaluate the survival and financial benefits of IITs for patients.
Materials and Methods
We reviewed IITs conducted by KCSG from 1998 to 2023, analyzing progression-free survival (PFS) and overall survival (OS) gains for participants. PFS and OS benefits were calculated as the difference in median survival times between the intervention and control groups, multiplied by the number of patients in the intervention group. Financial benefits were assessed based on the cost of investigational products provided.
Results
From 1998 to 2023, KCSG conducted 310 IITs, with 133 completed and published. Of these, 21 were included in the survival analysis. The analysis revealed that 1,951 patients in the intervention groups gained a total of 2,558.4 months (213.2 years) of PFS and 2,501.6 months (208.5 years) of OS, with median gains of 1.31 months in PFS and 1.58 months in OS per patient. When analyzing only statistically significant results, PFS and OS gain per patients was 1.69 months and 3.02 months, respectively. Investigational drug cost analysis from six available IITs indicated that investigational products provided to 252 patients were valued at 10,400,077,294 won (approximately 8,046,481 US dollars), averaging about 41,270,148 won (approximately 31,930 US dollars) per patient.
Conclusion
Our findings, based on analysis of published research, suggest that IITs conducted by KCSG led to survival benefits for participants and, in some studies, may have provided financial benefits by providing investment drugs.

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Breast cancer

Efficacy of Limited Dose Modifications for Palbociclib-Related Grade 3 Neutropenia in Hormone Receptor–Positive Metastatic Breast Cancer: Seul-Gi Kim, Min Hwan Kim, Sejung Park, Gun Min Kim, Jee Hung Kim, Jee Ye Kim, Hyung Seok Park, Seho Park, Byeong Woo Park, Seung Il Kim, Jung Hwan Ji, Joon Jeong, Kabsoo Shin, Jieun Lee, Hyung-Don Kim, Kyung Hae Jung, Joohyuk Sohn; Cancer Res Treat. 2023;55(4):1198-1209. Published online April 11, 2023; DOI: https://doi.org/10.4143/crt.2022.1543

Abstract PDF Supplementary Material PubReader ePub

Purpose
Frequent neutropenia hinders uninterrupted palbociclib treatment in patients with hormone receptor (HR)–positive breast cancer. We compared the efficacy outcomes in multicenter cohorts of patients with metastatic breast cancer (mBC) receiving palbociclib following conventional dose modification or limited modified schemes for afebrile grade 3 neutropenia.
Materials and Methods
Patients with HR-positive, human epidermal growth factor receptor 2–negative mBC (n=434) receiving palbociclib with letrozole as first-line therapy were analyzed and classified based on neutropenia grade and afebrile grade 3 neutropenia management as follows: group 1 (maintained palbociclib dose, limited scheme), group 2 (dose delay or reduction, conventional scheme), group 3 (no afebrile grade 3 neutropenia event), and group 4 (grade 4 neutropenia event). The primary and secondary endpoints were progression-free survival (PFS) between groups 1 and 2 and PFS, overall survival, and safety profiles among all groups.
Results
During follow-up (median 23.7 months), group 1 (2-year PFS, 67.9%) showed significantly longer PFS than did group 2 (2-year PFS, 55.3%; p=0.036), maintained across all subgroups, and upon adjustment of the factors. Febrile neutropenia occurred in one and two patients of group 1 and group 2, respectively, without mortality.
Conclusion
Limited dose modification for palbociclib-related grade 3 neutropenia may lead to longer PFS, without increasing toxicity, than the conventional dose scheme.

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Efficacy and Safety of Cyclin-Dependent Kinase 4/6 Inhibitors in Patients with Breast Cancer: A Systematic Review and Meta-analysis of Randomized Controlled Trials and Real-World Studies
Hui-Chen Su, Ho-Wei Lin, Ka-Wai Tam
Targeted Oncology.2025; 20(1): 71. CrossRef
Palbociclib Is Safe for Breast Cancer Patients With Mild Hepatic Impairment: A Multicenter Retrospective Study Using Real‐World Data
Alieke K. Bos, Annelieke E.C.A.B. Willemsen, Loes E. Visser, Lennart J. Stoker, Jurjen S. Kingma, Mirjam K. Rommers, Emile M. Kuck, Paul D. van der Linden, Merel van Nuland
Clinical Pharmacology & Therapeutics.2025; 117(4): 1115. CrossRef
Real-world effectiveness of CDK4/6i in first-line treatment of HR+/HER2− advanced/metastatic breast cancer: updated systematic review
Nadia Harbeck, Adam Brufsky, Chloe Grace Rose, Beata Korytowsky, Connie Chen, Krista Tantakoun, Endri Jazexhi, Do Hoang Vien Nguyen, Meaghan Bartlett, Imtiaz A. Samjoo, Timothy Pluard
Frontiers in Oncology.2025;[Epub] CrossRef
Palbociclib

Reactions Weekly.2023; 1988(1): 138. CrossRef

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Impacts of Subtype on Clinical Feature and Outcome of Male Breast Cancer: Multicenter Study in Korea (KCSG BR16-09): Jieun Lee, Keun Seok Lee, Sung Hoon Sim, Heejung Chae, Joohyuk Sohn, Gun Min Kim, Kyung-Hee Lee, Su Hwan Kang, Kyung Hae Jung, Jae-ho Jeong, Jae Ho Byun, Su-Jin Koh, Kyoung Eun Lee, Seungtaek Lim, Hee Jun Kim, Hye Sung Won, Hyung Soon Park, Guk Jin Lee, Soojung Hong, Sun Kyung Baek, Soon Il Lee, Moon Young Choi, In Sook Woo; Cancer Res Treat. 2023;55(1):123-135. Published online March 24, 2022; DOI: https://doi.org/10.4143/crt.2021.1561

Abstract PDF Supplementary Material PubReader ePub

Purpose
The treatment of male breast cancer (MBC) has been extrapolated from female breast cancer (FBC) because of its rarity despite their different clinicopathologic characteristics. We aimed to investigate the distribution of intrinsic subtypes based on immunohistochemistry, their clinical impact, and treatment pattern in clinical practice through a multicenter study in Korea.
Materials and Methods
We retrospectively analyzed clinical data of 248 MBC patients from 18 institutions across the country from January 1995 to July 2016.
Results
The median age of MBC patients was 63 years (range, 25 to 102 years). Among 148 intrinsic subtype classified patients, 61 (41.2%), 44 (29.7%), 29 (19.5%), and 14 (9.5%) were luminal A, luminal B, human epidermal growth factor receptor 2, and triple-negative breast cancer, respectively. Luminal A subtype showed trends for superior survival compared to other subtypes. Most hormone receptor-positive patients (166 patients, 82.6%) received adjuvant endocrine treatment. Five-year completion of adjuvant endocrine treatment was associated with superior disease-free survival (DFS) in patients classified with an intrinsic subtype (hazard ratio [HR], 0.15; 95% confidence interval [CI], 0.04 to 0.49; p=0.002) and in all patients (HR, 0.16; 95% CI, 0.05 to 0.54; p=0.003).
Conclusion
Distribution of subtypes of MBC was similar to FBC and luminal type A was most common. Overall survival tended to be improved for luminal A subtype, although there was no statistical significance. Completion of adjuvant endocrine treatment was associated with prolonged DFS in intrinsic subtype classified patients. MBC patients tended to receive less treatment. MBC patients should receive standard treatment according to guidelines as FBC patients.

Citations

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HER2 expression and pathway status in male breast cancer patients: results of an integrated analysis among 6,150 patients
Boqiang Lyu, Shidi Zhao, Hui Wang, Shouping Gong, Biyuan Wang
Scientific Reports.2025;[Epub] CrossRef
Male breast cancer - a single center experience
Igor Djurisic, Milan Zegarac, Milan Kocic, Vladimir Jokic, Nikola Vucic, Ognjen Petrovic, Nada Santrac, Jovana Koncar, Andjela Ivezic, Srdjan Nikolic
Srpski arhiv za celokupno lekarstvo.2025; 153(1-2): 53. CrossRef
Clinicopathologic Features and Prognoses of Male Patients With Breast Cancer
Meiling Huang, Jingjing Xiao, Changjiao Yan, Rui Ling, Ting Wang
American Journal of Men's Health.2024;[Epub] CrossRef

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Lung and Thoracic cancer

Integrin αvβ3 Induces HSP90 Inhibitor Resistance via FAK Activation in KRAS-Mutant Non-Small Cell Lung Cancer: Shinkyo Yoon, Hannah Yang, Hyun-Min Ryu, Eunjin Lee, Yujin Jo, Seyoung Seo, Deokhoon Kim, Chang Hoon Lee, Wanlim Kim, Kyung Hae Jung, Sook Ryun Park, Eun Kyung Choi, Sang-We Kim, Kang-Seo Park, Dae Ho Lee; Cancer Res Treat. 2022;54(3):767-781. Published online September 30, 2021; DOI: https://doi.org/10.4143/crt.2021.651

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Purpose
Heat shock protein-90 (HSP90) remains an important cancer target because of its involvement in multiple oncogenic protein pathways and biologic processes. Although many HSP90 inhibitors have been tested in the treatment of KRAS-mutant non–small cell lung cancer (NSCLC), most, including AUY922, have failed due to toxic effects and resistance generation, even though a modest efficacy has been observed for these drugs in clinical trials. In our present study, we investigated the novel mechanism of resistance to AUY922 to explore possible avenues of overcoming and want to provide some insights that may assist with the future development of successful next-generation HSP90 inhibitors.
Materials and Methods
We established two AUY922-resistant KRAS-mutated NSCLC cells and conducted RNA sequencing to identify novel resistance biomarker.
Results
We identified novel two resistance biomarkers. We observed that both integrin Av (ITGAv) and β3 (ITGB3) induce AUY922-resistance via focal adhesion kinase (FAK) activation, as well as an epithelial-mesenchymal transition, in both in vitro and in vivo xenograft model. mRNAs of both ITGAv and ITGB3 were also found to be elevated in a patient who had shown acquired resistance in a clinical trial of AUY922. ITGAv was induced by miR-142 downregulation, and ITGB3 was increased by miR-150 downregulation during the development of AUY922-resistance. Therefore, miR-150 and miR-142 overexpression effectively inhibited ITGAvB3-dependent FAK activation, restoring sensitivity to AUY922.
Conclusion
The synergistic co-targeting of FAK and HSP90 attenuated the growth of ITGAvB3-induced AUY922-resistant KRAS-mutated NSCLC cells in vitro and in vivo, suggesting that this combination may overcome acquired AUY922-resistance in KRAS-mutant NSCLC.

Citations

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Integrin αV Inhibition by GMI, a Ganoderma Microsporum Immunomodulatory Protein, Abolish Stemness and Migration in EGFR‐Mutated Lung Cancer Cells Resistant to Osimertinib
Yu‐Ting Kang, Hui‐Yi Chang, Ya‐Chu Hsieh, Chia‐Hsuan Chou, I‐Lun Hsin, Jiunn‐Liang Ko
Environmental Toxicology.2024; 39(12): 5238. CrossRef
Junctional adhesion molecular 3 (JAM3) is a novel tumor suppressor and improves the prognosis in breast cancer brain metastases via the TGF-β/Smad signal pathway
Kaitao Zhu, Shiwei Li, Hongru Yao, Jilong Hei, WenGuo Jiang, Tracey Martin, Shanyi Zhang
Journal of Neuro-Oncology.2024; 170(2): 331. CrossRef
Autophagy, molecular chaperones, and unfolded protein response as promoters of tumor recurrence
Bashar Alhasan, Marina Mikeladze, Irina Guzhova, Boris Margulis
Cancer and Metastasis Reviews.2023; 42(1): 217. CrossRef

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Breast cancer

Comparison of the Effectiveness and Clinical Outcome of Everolimus Followed by CDK4/6 Inhibitors with the Opposite Treatment Sequence in Hormone Receptor-Positive, HER2-Negative Metastatic Breast Cancer: Hyehyun Jeong, Jae Ho Jeong, Jeong Eun Kim, Jin-Hee Ahn, Kyung Hae Jung, Sung-Bae Kim; Cancer Res Treat. 2022;54(2):469-477. Published online June 23, 2021; DOI: https://doi.org/10.4143/crt.2021.205

Abstract PDF Supplementary Material PubReader ePub

Purpose
In hormone receptor-positive, human epidermal growth factor receptor 2–negative metastatic breast cancer (HR+ HER2–MBC), the mainstay treatment options include cyclin-dependent kinase 4/6 inhibitors (CDK4/6i) and everolimus (EVE) in combination with endocrine treatment. This study aims to compare the outcomes of the following treatment sequences: CDK4/6i followed by EVE and EVE followed by CDK4/6i.
Materials and Methods
Data from HR+ HER2– MBC patients treated between January 2014 and November 2020 with both CDK4/6i and EVE were retrospectively analyzed.
Results
Among the 88 patients included in the study, 51 received CDK4/6i before EVE (C→E group), and 37 received EVE before CDK4/6i (E→C group) with endocrine treatment. More patients in the E→C group had endocrine resistance (13.7% vs. 40.5%), experienced palliative chemotherapy (7.8% vs. 40.5%), and were heavily treated (treated as ≥ 3rd line, 5.9% vs. 40.5%). Median overall survival was 46.8 months in the C→E group and 38.9 months in the E→C group (p=0.151). Median composite progression-free survival (PFS), defined as the time from the start of the preceding regimen to disease progression on the following regimen or death, was 24.8 months in the C→E group vs. 21.8 months in the E→C group (p=0.681). Median PFS2/PFS1 ratio did not differ significantly between groups (0.5 in the C→E group, 0.6 in the E→C group; p=0.775). Ten patients (11.4%) discontinued EVE, and two patients (2.3%) discontinued CDK4/6i during treatment.
Conclusion
Although the CDK4/6i-based regimen should be considered as an earlier line of treatment, CDK4/6i- and EVE-based treatments can be valid options in circumstances where the other treatment had been already given.

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The different sequences of CDK4/6 inhibitor and mTOR inhibitor in HR+/HER2-advanced breast cancer: A multicenter real-world study
Yuqian Liao, Yujing Tan, Yipeng Li, Fei Ma, Jiayu Wang, Pin Zhang, Qing Li, Qiao Li, Yang Luo, Bo Lan, Shanshan Chen, Binghe Xu, Hanfang Jiang, Weihong Zhao, Ying Fan
Heliyon.2024; 10(19): e38147. CrossRef
Long-Term Results with Everolimus in Advanced Hormone Receptor Positive Breast Cancer in a Multicenter National Real-World Observational Study
Hélène François-Martin, Audrey Lardy-Cléaud, Barbara Pistilli, Christelle Levy, Véronique Diéras, Jean-Sébastien Frenel, Séverine Guiu, Marie-Ange Mouret-Reynier, Audrey Mailliez, Jean-Christophe Eymard, Thierry Petit, Mony Ung, Isabelle Desmoulins, Paule
Cancers.2023; 15(4): 1191. CrossRef
Selective protection of normal cells from chemotherapy, while killing drug-resistant cancer cells
Mikhail V. Blagosklonny
Oncotarget.2023; 14(1): 193. CrossRef
A systematic review of computational approaches to understand cancer biology for informed drug repurposing
Faheem Ahmed, Anupama Samantasinghar, Afaque Manzoor Soomro, Sejong Kim, Kyung Hyun Choi
Journal of Biomedical Informatics.2023; 142: 104373. CrossRef
Tetraspanin 1 (TSPAN1) promotes growth and transferation of breast cancer cells via mediating PI3K/Akt pathway
Yange Wu, Wenxiu Chen, Yufeng Gong, Hongxia Liu, Bo Zhang
Bioengineered.2021; 12(2): 10761. CrossRef

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Breast Cancer

Implications of Tamoxifen Resistance in Palbociclib Efficacy for Patients with Hormone Receptor-Positive, HER2-Negative Metastatic Breast Cancer: Subgroup Analyses of KCSG-BR15-10 (YoungPEARL): Jiyun Lee, Seock-Ah Im, Gun Min Kim, Kyung Hae Jung, Seok Yun Kang, In Hae Park, Jee Hyun Kim, Hee Kyung Ahn, Yeon Hee Park; Cancer Res Treat. 2021;53(3):695-702. Published online December 17, 2020; DOI: https://doi.org/10.4143/crt.2020.1246

Abstract PDF PubReader ePub

Purpose
YoungPEARL (KCSG-BR15-10) trial demonstrated a significant progression-free survival (PFS) benefit for premenopausal patients with hormone receptor–positive/human epidermal growth factor receptor 2–negative (HR+/HER2–) metastatic breast cancer (MBC) for palbociclib plus exemestane with ovarian function suppression compared to capecitabine. However, the number of tamoxifen-sensitive premenopausal patients was small because most recurrences occurred early during adjuvant endocrine therapy (ET), with tamoxifen being the only drug used; hence, the data for these patients were limited. Here we present a subgroup analysis according to tamoxifen sensitivity from the YoungPEARL study. Materials and Methods Patients were randomized 1:1 to receive palbociclib+ET (oral exemestane 25 mg/day for 28 days, palbociclib 125 mg/day for 21 days, plus leuprolide 3.75 mg subcutaneously every 4 weeks) or chemotherapy (oral capecitabine 1,250 mg/m2 twice daily for 14 days every 3 weeks). Tamoxifen resistance was defined as: relapse while on adjuvant tamoxifen, relapse within 12 months of completing adjuvant tamoxifen, or progression while on first-line tamoxifen within 6 months for MBC.
Results
In total, 184 patients were randomized and 178 were included in the modified intention-to-treat population. PFS improvement in the palbociclib+ET group was observed in tamoxifen-sensitive patients (hazard ratio, 0.38; 95% confidence interval, 0.12 to 1.19). Furthermore, palbociclib+ET prolonged median PFS compared with capecitabine in tamoxifen-sensitive (20.5 months vs. 12.6 months) and tamoxifen-resistant (20.1 months vs. 14.5 months) patients. Palbociclib+ET demonstrated a higher rate of objective response, disease control, and clinical benefit in tamoxifen-sensitive patients. Conclusion This post hoc exploratory analysis suggests that palbociclib+ET is a promising therapeutic option for premenopausal HR+/HER2– MBC patients irrespective of tamoxifen sensitivity.

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Palbociclib plus endocrine therapy in hormone receptor-positive and HER2 negative metastatic breast cancer: a multicenter real-world study in the northwest of China
Jiao Yang, Bing Zhao, Xiaoling Ling, Donghui Li, Jiuda Zhao, Yonggang Lv, Guangxi Wang, Xinlan Liu, Nanlin Li, Jin Yang
BMC Cancer.2023;[Epub] CrossRef

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A Nomogram for Predicting the Oncotype DX Recurrence Score in Women with T1-3N0-1miM0 Hormone Receptor‒Positive, Human Epidermal Growth Factor 2 (HER2)‒Negative Breast Cancer: Sae Byul Lee, Junetae Kim, Guiyun Sohn, Jisun Kim, Il Yong Chung, Hee Jeong Kim, Beom Seok Ko, Byung Ho Son, Sei-Hyun Ahn, Jong Won Lee, Kyung Hae Jung; Cancer Res Treat. 2019;51(3):1073-1085. Published online November 1, 2018; DOI: https://doi.org/10.4143/crt.2018.357

Abstract PDF Supplementary Material PubReader ePub

Purpose
This preliminary study was conducted to evaluate the association between Oncotype DX (ODX) recurrence score and traditional prognostic factors. We also developed a nomogram to predict subgroups with low ODX recurrence scores (less than 25) and to avoid additional chemotherapy treatments for those patients.
Materials and Methods
Clinicopathological and immunohistochemical variables were retrospectively retrieved and analyzed from a series of 485 T1-3N0-1miM0 hormone receptor-positive, human epidermal growth factor 2‒negative breast cancer patients with available ODX test results at Asan Medical Center from 2010 to 2016. One hundred twenty-seven patients (26%) had positive axillary lymph node micrometastases, and 408 (84%) had ODX recurrence scores of ≤25. Logistic regression was performed to build a nomogram for predicting a low-risk subgroup of the ODX assay.
Results
Multivariate analysis revealed that estrogen receptor (ER) score, progesterone receptor (PR) score, histologic grade, lymphovascular invasion (LVI), and Ki-67 had a statistically significant association with the low-risk subgroup. With these variables, we developed a nomogram to predict the low-risk subgroup with ODX recurrence scores of ≤25. The area under the receiver operating characteristic curve was 0.90 (95% confidence interval [CI], 0.85 to 0.96). When applied to the validation group the nomogram was accurate with an area under the curve = 0.88 (95% CI, 0.83 to 0.95).
Conclusion
The low ODX recurrence score subgroup can be predicted by a nomogram incorporating five traditional prognostic factors: ER, PR, histologic grade, LVI, and Ki-67. Our nomogram, which predicts a low-risk ODX recurrence score, will be a useful tool to help select patients who may or may not need additional ODX testing.

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A Novel Nomogram for Estimating a High-Risk Result in the EndoPredict® Test for Estrogen Receptor-Positive/Human Epidermal Growth Factor Receptor 2 (HER2)-Negative Breast Carcinoma
Víctor Macarrón, Itsaso Losantos-García, Alberto Peláez-García, Laura Yébenes, Alberto Berjón, Laura Frías, Covadonga Martí, Pilar Zamora, José Ignacio Sánchez-Méndez, David Hardisson
Cancers.2025; 17(2): 273. CrossRef
Efficacy, safety, and predictive model of Palbociclib in the treatment of HR-positive and HER2-negative metastatic breast cancer
Wei Wang, Wenqian Lei, Ziru Fang, Ruiyuan Jiang, Xiaojia Wang
BMC Cancer.2024;[Epub] CrossRef
Development and validation of a clinical breast cancer tool for accurate prediction of recurrence
Asim Dhungana, Augustin Vannier, Fangyuan Zhao, Jincong Q. Freeman, Poornima Saha, Megan Sullivan, Katharine Yao, Elbio M. Flores, Olufunmilayo I. Olopade, Alexander T. Pearson, Dezheng Huo, Frederick M. Howard
npj Breast Cancer.2024;[Epub] CrossRef
Prediction of Oncotype DX Recurrence Score Based on Systematic Evaluation of Ki-67 Scores in Hormone Receptor-Positive Early Breast Cancer
Ji Min Kim, Eun Yoon Cho
Journal of Breast Cancer.2024; 27(3): 201. CrossRef
Development of a nomogram to predict recurrence scores obtained using Oncotype DX in Japanese patients with breast cancer
Akio Shibata, Nobuko Tamura, Keiichi Kinowaki, Aya Nishikawa, Kiyo Tanaka, Yoko Kobayashi, Takuya Ogura, Yuko Tanabe, Hidetaka Kawabata
Breast Cancer.2024; 31(6): 1018. CrossRef
Shear-wave elastography-based nomograms predicting 21-gene recurrence score for adjuvant chemotherapy decisions in patients with breast cancer
Ji Hyun Youk, Eun Ju Son, Joon Jeong, Hye Mi Gweon, Na Lae Eun, Jeong-Ah Kim
European Journal of Radiology.2023; 158: 110638. CrossRef
Prediction of Oncotype DX Recurrence Score Using Clinicopathological Variables in Estrogen Receptor-Positive/Human Epidermal Growth Factor Receptor 2-Negative Breast Cancer
Min Chong Kim, Sun Young Kwon, Jung Eun Choi, Su Hwan Kang, Young Kyung Bae
Journal of Breast Cancer.2023; 26(2): 105. CrossRef
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Ran Song, Dong-Eun Lee, Eun-Gyeong Lee, Seeyoun Lee, Han-Sung Kang, Jai Hong Han, Keun Seok Lee, Sung Hoon Sim, Heejung Chae, Youngmee Kwon, Jaeyeon Woo, So-Youn Jung
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A simplified risk scoring system for predicting high-risk groups in gene expression tests for patients with estrogen receptor-positive, human epidermal growth factor receptor 2-negative, and node-positive breast cancer
Kwang Hyun Yoon, Suk Jun Lee, Yujin Kim, Jee Hyun Ahn, Jee Ye Kim, Hyung Seok Park, Seung Il Kim, Seho Park
Annals of Surgical Treatment and Research.2023; 105(6): 360. CrossRef
Deep Learning-Based Pathology Image Analysis Enhances Magee Feature Correlation With Oncotype DX Breast Recurrence Score
Hongxiao Li, Jigang Wang, Zaibo Li, Melad Dababneh, Fusheng Wang, Peng Zhao, Geoffrey H. Smith, George Teodoro, Meijie Li, Jun Kong, Xiaoxian Li
Frontiers in Medicine.2022;[Epub] CrossRef
A Novel Surrogate Nomogram Capable of Predicting OncotypeDX Recurrence Score©
Matthew G. Davey, Amirhossein Jalali, Éanna J. Ryan, Ray P. McLaughlin, Karl J. Sweeney, Michael K. Barry, Carmel M. Malone, Maccon M. Keane, Aoife J. Lowery, Nicola Miller, Michael J. Kerin
Journal of Personalized Medicine.2022; 12(7): 1117. CrossRef
Use of a supervised machine learning model to predict Oncotype DX risk category in node-positive patients older than 50 years of age
Austin D. Williams, Kate R. Pawloski, Hannah Y. Wen, Varadan Sevilimedu, Donna Thompson, Monica Morrow, Mahmoud El-Tamer
Breast Cancer Research and Treatment.2022; 196(3): 565. CrossRef
The Role of Oncotype DX® Recurrence Score in Predicting Axillary Response After Neoadjuvant Chemotherapy in Breast Cancer
Jaime A. Pardo, Betty Fan, Alessandra Mele, Stephanie Serres, Monica G. Valero, Isha Emhoff, Amulya Alapati, Ted A. James
Annals of Surgical Oncology.2021; 28(3): 1320. CrossRef
A nomogram to predict the high-risk RS in HR+/HER2-breast cancer patients older than 50 years of age
Jing Yu, Jiayi Wu, Ou Huang, Jianrong He, Li Zhu, Weiguo Chen, Yafen Li, Xiaosong Chen, Kunwei Shen
Journal of Translational Medicine.2021;[Epub] CrossRef
Clinicopathological correlates, oncological impact, and validation of Oncotype DX™ in a European Tertiary Referral Centre
Matthew G. Davey, Éanna J. Ryan, Sami Abd Elwahab, Jessie A. Elliott, Peter F. McAnena, Karl J. Sweeney, Carmel M. Malone, Ray McLaughlin, Michael K. Barry, Maccon M. Keane, Aoife J. Lowery, Michael J. Kerin
The Breast Journal.2021; 27(6): 521. CrossRef
Dynamic contrast enhanced-MRI and diffusion-weighted image as predictors of lymphovascular invasion in node-negative invasive breast cancer
Bo Bae Choi
World Journal of Surgical Oncology.2021;[Epub] CrossRef
Prognostic value of the 21-gene recurrence score for regional recurrence in patients with estrogen receptor-positive breast cancer
Minji Koh, Jinhong Jung, Su Ssan Kim, Seung Do Ahn, Eun Kyung Choi, Il Yong Chung, Jong Won Lee, Sung-Bae Kim, Jae Ho Jeong
Breast Cancer Research and Treatment.2021; 188(3): 583. CrossRef
A nomogram for predicting probability of low risk of MammaPrint results in women with clinically high-risk breast cancer
Young Joo Lee, Young Sol Hwang, Junetae Kim, Sei-Hyun Ahn, Byung Ho Son, Hee Jeong Kim, Beom Seok Ko, Jisun Kim, Il Yong Chung, Jong Won Lee, Sae Byul Lee
Scientific Reports.2021;[Epub] CrossRef
Development of a Nomogram to Predict the Recurrence Score of 21-Gene Prediction Assay in Hormone Receptor–Positive Early Breast Cancer
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Landscape of Actionable Genetic Alterations Profiled from 1,071 Tumor Samples in Korean Cancer Patients: Se-Hoon Lee, Boram Lee, Joon Ho Shim, Kwang Woo Lee, Jae Won Yun, Sook-Young Kim, Tae-You Kim, Yeul Hong Kim, Young Hyeh Ko, Hyun Cheol Chung, Chang Sik Yu, Jeeyun Lee, Sun Young Rha, Tae Won Kim, Kyung Hae Jung, Seock-Ah Im, Hyeong-Gon Moon, Sukki Cho, Jin Hyoung Kang, Jihun Kim, Sang Kyum Kim, Han Suk Ryu, Sang Yun Ha, Jong Il Kim, Yeun-Jun Chung, Cheolmin Kim, Hyung-Lae Kim, Woong-Yang Park, Dong-Young Noh, Keunchil Park; Cancer Res Treat. 2019;51(1):211-222. Published online April 23, 2018; DOI: https://doi.org/10.4143/crt.2018.132

Abstract PDF Supplementary Material PubReader ePub

Purpose
With the emergence of next-generation sequencing (NGS) technology, profiling a wide range of genomic alterations has become a possibility resulting in improved implementation of targeted cancer therapy. In Asian populations, the prevalence and spectrum of clinically actionable genetic alterations has not yet been determined because of a lack of studies examining high-throughput cancer genomic data.
Materials and Methods
To address this issue, 1,071 tumor samples were collected from five major cancer institutes in Korea and analyzed using targeted NGS at a centralized laboratory. Samples were either fresh frozen or formalin-fixed, paraffin embedded (FFPE) and the quality and yield of extracted genomic DNA was assessed. In order to estimate the effect of sample condition on the quality of sequencing results, tissue preparation method, specimen type (resected or biopsied) and tissue storage time were compared.
Results
We detected 7,360 non-synonymous point mutations, 1,164 small insertions and deletions, 3,173 copy number alterations, and 462 structural variants. Fifty-four percent of tumors had one or more clinically relevant genetic mutation. The distribution of actionable variants was variable among different genes. Fresh frozen tissues, surgically resected specimens, and recently obtained specimens generated superior sequencing results over FFPE tissues, biopsied specimens, and tissues with long storage duration.
Conclusion
In order to overcome, challenges involved in bringing NGS testing into routine clinical use, a centralized laboratory model was designed that could improve the NGS workflows, provide appropriate turnaround times and control costs with goal of enabling precision medicine.

Citations

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Clinical implementation of next-generation sequencing testing and genomically-matched therapy: a real-world data in a tertiary hospital
Jin Won Kim, Hee Young Na, Sejoon Lee, Ji-Won Kim, Koung Jin Suh, Se Hyun Kim, Yu Jung Kim, Keun-Wook Lee, Jong Seok Lee, Jaihwan Kim, Jin-Hyeok Hwang, Kihwan Hwang, Chae-Yong Kim, Yong Beom Kim, Soomin Ahn, Kyu Sang Lee, Hyojin Kim, Hye Seung Lee, So Yeo
Scientific Reports.2025;[Epub] CrossRef
Real-World Data and Clinical Implications of Next-Generation Sequencing (NGS)-Based Analysis in Metastatic Breast Cancer Patients
Fabio Canino, Antonio Tornincasa, Stefania Bettelli, Samantha Manfredini, Monica Barbolini, Luca Moscetti, Claudia Omarini, Angela Toss, Fabio Tamburrano, Giuseppina Antonelli, Federica Baglio, Lorenzo Belluzzi, Giulio Martinelli, Salvatore Natalizio, Orn
International Journal of Molecular Sciences.2024; 25(5): 2490. CrossRef
Exploring the DNA methylome of Korean patients with colorectal cancer consolidates the clinical implications of cancer-associated methylation markers
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Oncotarget.2021; 12(15): 1540. CrossRef
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Randomized Open Label Phase III Trial of Irinotecan Plus Capecitabine versus Capecitabine Monotherapy in Patients with Metastatic Breast Cancer Previously Treated with Anthracycline and Taxane: PROCEED Trial (KCSG BR 11-01): In Hae Park, Seock-Ah Im, Kyung Hae Jung, Joo Hyuk Sohn, Yeon Hee Park, Keun Seok Lee, Sung Hoon Sim, Kyong-Hwa Park, Jee Hyun Kim, Byung Ho Nam, Hee-Jun Kim, Tae-Yong Kim, Kyung-Hun Lee, Sung-Bae Kim, Jin-Hee Ahn, Suee Lee, Jungsil Ro; Cancer Res Treat. 2019;51(1):43-52. Published online February 14, 2018; DOI: https://doi.org/10.4143/crt.2017.562

Abstract PDF PubReader ePub

Purpose
We investigated whether irinotecan plus capecitabine improved progression-free survival (PFS) compared with capecitabine alone in patients with human epidermal growth factor 2 (HER2) negative and anthracycline and taxane pretreated metastatic breast cancer (MBC).
Materials and Methods
A total of 221 patients were randomly assigned to irinotecan (80 mg/m2, days 1 and 8) and capecitabine (1,000 mg/m2 twice a day, days 1-14) or capecitabine alone (1,250 mg/m2 twice a day, days 1-14) every 3 weeks. The primary endpoint was PFS.
Results
There was no significant difference in PFS between the combination and monotherapy arm (median, 6.4 months vs. 4.7 months; hazard ratio [HR], 0.84; 95% confidence interval [CI], 0.63 to 1.11; p=0.84). In patients with triple-negative breast cancer (TNBC, n=90), the combination significantly improved PFS (median, 4.7 months vs. 2.5 months; HR, 0.58; 95% CI, 0.37 to 0.91; p=0.02). Objective response rate was numerically higher in the combination arm, though it failed to reach statistical significance (44.4% vs. 33.3%, p=0.30). Overall survival did not differ between arms (median, 20.4 months vs. 24.0 months; p=0.63). While grade 3 or 4 neutropenia was more common in the combination arm (39.6% vs 9.0%), hand-foot syndrome was more often observed in capecitabine arm. Quality of life measurements in global health status was similar. However, patients in the combination arm showed significantly worse symptom scales especially in nausea/vomiting and diarrhea.
Conclusion
Irinotecan plus capecitabine did not prove clinically superior to single-agent capecitabine in anthracycline- and taxane-pretreated HER2 negative MBC patients. Toxicity profiles of the two groups differed but were manageable. The role of added irinotecan in patients with TNBC remains to be elucidated.

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An Open-Label, Randomized, Parallel, Phase III Trial Evaluating the Efficacy and Safety of Polymeric Micelle-Formulated Paclitaxel Compared to Conventional Cremophor EL-Based Paclitaxel for Recurrent or Metastatic HER2-Negative Breast Cancer: In Hae Park, Joo Hyuk Sohn, Sung Bae Kim, Keun Seok Lee, Joo Seop Chung, Soo Hyeon Lee, Tae You Kim, Kyung Hae Jung, Eun Kyung Cho, Yang Soo Kim, Hong Suk Song, Jae Hong Seo, Hun Mo Ryoo, Sun Ah Lee, So Young Yoon, Chul Soo Kim, Yong Tai Kim, Si Young Kim, Mi Ryung Jin, Jungsil Ro; Cancer Res Treat. 2017;49(3):569-577. Published online September 12, 2016; DOI: https://doi.org/10.4143/crt.2016.289

Abstract PDF PubReader ePub

Purpose
Genexol-PM is a Cremophor EL–free formulation of low-molecular-weight, non-toxic, and biodegradable polymeric micelle-bound paclitaxel. We conducted a phase III study comparing the clinical efficacy and toxicity of Genexol-PM with conventional paclitaxel (Genexol).
Materials and Methods
Patients were randomly assigned (1:1) to receive Genexol-PM 260 mg/m² or Genexol 175 mg/m² intravenously every 3 weeks. The primary outcome was the objective response rate (ORR).
Results
The study enrolled 212 patients, of whom 105 were allocated to receive Genexol-PM. The mean received dose intensity of Genexol-PM was 246.8±21.3 mg/m² (95.0%), and that of Genexol was 168.3±10.6 mg/m² (96.2%). After a median follow-up of 24.5 months (range, 0.0 to 48.7 months), the ORR of Genexol-PM was 39.1% (95% confidence interval [CI], 31.2 to 46.9) and the ORR of Genexol was 24.3% (95% CI, 17.5 to 31.1) (p_{non-inferiority}=0.021, p_superiority=0.016). The two groups did not differ significantly in overall survival (28.8 months for Genexol-PM vs. 23.8 months for Genexol; p=0.52) or progression-free survival (8.0 months for Genexol-PM vs. 6.7 months for Genexol; p=0.26). In both groups, the most common toxicities were neutropenia, with 68.6% occurrence in the Genexol-PM group versus 40.2% in the Genexol group (p < 0.01). The incidences of peripheral neuropathy of greater than grade 2 did not differ significantly between study treatments.
Conclusion
Compared with standard paclitaxel, Genexol-PM demonstrated non-inferior and even superior clinical efficacy with a manageable safety profile in patients with metastatic breast cancer.

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Feasibility and Efficacy of Eribulin Mesilate in Korean Patients with Metastatic Breast Cancer: Korean Multi-center Phase IV Clinical Study Results: Yeon Hee Park, Tae Yong Kim, Young-Hyuck Im, Keun-Seok Lee, In Hae Park, Joohyuk Sohn, Soo-Hyeon Lee, Seock-Ah Im, Jee Hyun Kim, Se Hyun Kim, Soo Jung Lee, Su-Jin Koh, Ki Hyeong Lee, Yoon Ji Choi, Eun Kyung Cho, Suee Lee, Seok Yun Kang, Jae Hong Seo, Sung-Bae Kim, Kyung Hae Jung; Cancer Res Treat. 2017;49(2):423-429. Published online August 3, 2016; DOI: https://doi.org/10.4143/crt.2016.191

Abstract PDF PubReader ePub

Purpose
Eribulin mesilate was approved for the treatment of patients with locally advanced or metastatic breast cancer (MBC),who had received at least two chemotherapeutic regimens, including anthracycline and taxane. On the other hand, the efficacy and safety information of eribulin in Korean patients is limited by the lack of clinical trials.
Materials and Methods
In this multicenter, open-label, single-arm, phase IV study, locally advanced or MBC patients were enrolled between June 2013 and April 2014 from 14 centers in Korea. One point four mg/m2 dose of eribulin was administered on days 1 and 8 of every 21 days. The primary endpoint was the frequency and intensity of the treatment emergent adverse event. The secondary endpoint was the disease control rate, which included the rate of complete responses, partial responses, and stable disease.
Results
A total of 101 patients received at least one dose of eribulin and were included in the safety set. The patients received a total of 543 treatment cycles, with a median of three cycles (range, 1 to 31 cycles). The most common adverse event was neutropenia (91.1% of patients, 48.3% of cycles). The frequent non-hematological adverse events included alopecia, decrease in appetite, fatigue/asthenia, and myalgia/arthralgia. The peripheral neuropathy of any grade occurred in 27 patients (26.7%), including grade 3 in two patients. Disease control rate was 52.7% and 51.3% of patients in the full analysis set and per-protocol set, respectively.
Conclusion
This study demonstrated the feasible safety profile and activity of eribulin in Korean patients with MBC.

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Multifarious targets beyond microtubules—role of eribulin in cancer therapy
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Effect of eribulin on patients with metastatic breast cancer: multicenter retrospective observational study in Taiwan
Kun-Ming Rau, Fu Ou-Yang, Ta-Chung Chao, Yao-Lung Kuo, Tsui-Fen Cheng, Tsu-Yi Chao, Dar-Ren Chen, Yen-Dun Tzeng, Being-Whey Wang, Chun-Yu Liu, Ming-Hung Hu, Yin-Che Lu, Wei-Jen Ou, Chin-Ho Kuo, Chieh-Han Chuang, Jung-Yu Kan, Fang-Ming Chen, Ming-Feng Hou
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Prognostic Value of Axillary Nodal Ratio after Neoadjuvant Chemotherapy of Doxorubicin/Cyclophosphamide Followed by Docetaxel in Breast Cancer: A Multicenter Retrospective Cohort Study: Se Hyun Kim, Kyung Hae Jung, Tae-Yong Kim, Seock-Ah Im, In Sil Choi, Yee Soo Chae, Sun Kyung Baek, Seok Yun Kang, Sarah Park, In Hae Park, Keun Seok Lee, Yoon Ji Choi, Soohyeon Lee, Joo Hyuk Sohn, Yeon-Hee Park, Young-Hyuck Im, Jin-Hee Ahn, Sung-Bae Kim, Jee Hyun Kim; Cancer Res Treat. 2016;48(4):1373-1381. Published online March 23, 2016; DOI: https://doi.org/10.4143/crt.2015.475

Abstract PDF Supplementary Material PubReader ePub

Purpose
The purpose of this study is to investigate the prognostic value of lymph node (LN) ratio (LNR) in patients with breast cancer after neoadjuvant chemotherapy.
Materials and Methods
This retrospective analysis is based on the data of 814 patientswith stage II/III breast cancer treated with four cycles of doxorubicin/cyclophosphamide followed by four cycles of docetaxel before surgery. We evaluated the clinical significance of LNR (3 categories: low 0-0.20 vs. intermediate 0.21-0.65 vs. high 0.66-1.00) using a Cox proportional regression model.
Results
A total of 799 patients underwent breast surgery. Pathologic complete response (pCR, ypT0/isN0) was achieved in 129 patients (16.1%) (hormone receptor [HR] +/human epidermal growth factor receptor 2 [HER2] –, 34/373 [9.1%]; HER2+, 45/210 [21.4%]; triple negative breast cancer, 50/216 [23.1%]). The mean numbers of involved LN and retrieved LN were 2.70 (range, 0 to 42) and 13.98 (range, 1 to 64), respectively. The mean LNR was 0.17 (low, 574 [71.8%]; intermediate, 170 [21.3%]; high, 55 [6.9%]). In univariate analysis, LNR showed significant association with a worse relapse-free survival (3-year relapse-free survival rate 84.8% in low vs. 66.2% in intermediate vs. 54.3% in high; p < 0.001, log-rank test). In multivariate analysis, LNR did not show significant association with recurrence after adjusting for other clinical factors (age, histologic grade, subtype, ypT stage, ypN stage, lymphatic or vascular invasion, and pCR). In subgroup analysis, the LNR system had good prognostic value in HR+/HER2– subtype.
Conclusion
LNR is not superior to ypN stage in predicting clinical outcome of breast cancer after neoadjuvant chemotherapy. However, the prognostic value of the LNR system in HR+/HER2– patients is notable and worthy of further investigation.

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Jinzhao Liu, Yifei Li, Weifang Zhang, Chenhui Yang, Chao Yang, Liang Chen, Mingjian Ding, Liang Zhang, Xiaojun Liu, Guozhong Cui, Yunjiang Liu
Frontiers in Surgery.2022;[Epub] CrossRef
Prognostic implications of regression of metastatic axillary lymph nodes after neoadjuvant chemotherapy in patients with breast cancer
Yul Ri Chung, Ji Won Woo, Soomin Ahn, Eunyoung Kang, Eun-Kyu Kim, Mijung Jang, Sun Mi Kim, Se Hyun Kim, Jee Hyun Kim, So Yeon Park
Scientific Reports.2021;[Epub] CrossRef
Using a novel T-lymph node ratio model to evaluate the prognosis of nonmetastatic breast cancer patients who received preoperative radiotherapy followed by mastectomy
Yang Wang, Yuanyuan Zhao, Song Liu, Weifang Tang, Hong Gao, Xucai Zheng, Shikai Hong, Shengying Wang
Medicine.2017; 96(42): e8203. CrossRef
The genetic variants in the PTEN/PI3K/AKT pathway predict susceptibility and CE(A)F chemotherapy response to breast cancer and clinical outcomes
Xiang Li, Ruishan Zhang, Zhuangkai Liu, Shuang Li, Hong Xu
Oncotarget.2017; 8(12): 20252. CrossRef
Prognostic Significance of Inner Quadrant Involvement in Breast Cancer Treated with Neoadjuvant Chemotherapy
Ji Hyun Chang, Wan Jeon, Kyubo Kim, Kyung Hwan Shin, Wonshik Han, Dong-Young Noh, Seock-Ah Im, Tae-You Kim, Yung-Jue Bang
Journal of Breast Cancer.2016; 19(4): 394. CrossRef

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Circulating Plasma Biomarkers for TSU-68, an Oral Antiangiogenic Agent, in Patients with Metastatic Breast Cancer: Changhoon Yoo, Sung-Bae Kim, Jungsil Ro, Seock-Ah Im, Young-Hyuck Im, Jee Hyun Kim, Jin-Hee Ahn, Kyung Hae Jung, Hong Suk Song, Seok Yun Kang, Hee Sook Park, Hyun-Cheol Chung; Cancer Res Treat. 2016;48(2):499-507. Published online July 14, 2015; DOI: https://doi.org/10.4143/crt.2015.089

Abstract PDF PubReader ePub: Purpose
This study analyzed the role of plasma biomarkers for TSU-68 in a previous phase II trial comparing TSU-68 plus docetaxel and docetaxel alone in patients with metastatic breast cancer.
Materials and Methods
A total of 77 patients were eligible for this study (38 in the TSU-68 plus docetaxel arm and 39 in the docetaxel alone arm). Blood samples were collected prior to the start of each cycle, and vascular endothelial growth factor (VEGF), platelet-derived growth factor (PDGF)- AA, -AB, -BB, fibroblast growth factor, M30, C-reactive protein (CRP), and interleukin 6 (IL-6) levels were measured using enzyme linked immunosorbent assay. The primary endpoint was progression-free survival (PFS).
Results
In patients with baseline PDGF-AA ≥ median, median PFS was significantly worse in the TSU-68 plus docetaxel group than in the docetaxel alone group (5.4 months vs. 13.7 months, p=0.049), while a trend toward a PFS benefit was observed in those with baseline PDGF-AA < median (9.7 months vs. 4.0 months, p=0.18; p for interaction=0.03). In the TSU-68 plus docetaxel group, PFS showed significant association with fold changes in CRP (p=0.001), IL-6 (p < .001), PDGF-BB (p=0.02), and VEGF (p=0.047) following the first treatment cycle.
Conclusion
Baseline PDGF-AA levels and dynamics of VEGF, PDGF-BB, CRP, and IL-6 levels were predictive for the efficacy of TSU-68.

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A Randomized Phase II Trial of Capecitabine Plus Vinorelbine Followed by Docetaxel Versus Adriamycin Plus Cyclophosphamide Followed by Docetaxel as Neoadjuvant Chemotherapy for Breast Cancer: Changhoon Yoo, Sung-Bae Kim, Jin-Hee Ahn, Jeong Eun Kim, Kyung Hae Jung, Gyung-Yub Gong, Byung-Ho Son, Sei-Hyun Ahn, Seung Do Ahn, Hak-Hee Kim, Hee Jung Shin, Woo Kun Kim; Cancer Res Treat. 2015;47(3):406-415. Published online November 27, 2014; DOI: https://doi.org/10.4143/crt.2014.073

Abstract PDF PubReader ePub

Purpose
Given the promising activity of capecitabine and vinorelbine in metastatic breast cancer, this randomized phase II trial evaluated the efficacy and safety of this combination as neoadjuvant chemotherapy in breast cancer. Materials and Methods Patients with operable breast cancer (n=75) were randomly assigned to receive either four cycles of adriamycin 60 mg/m2 plus cyclophosphamide 600 mg/m2 every 3 weeks followed by four cycles of docetaxel 75 mg/m2 every 3 weeks (AC-D) or four cycles of capecitabine 2,000 mg/m2 (day 1-14) plus vinorelbine 25 mg/m2 (days 1 and 8) every 3 weeks followed by four cycles of docetaxel 75 mg/m2 (CV-D). The primary endpoint was pathologic complete response (pCR) in the primary breast (ypT0/is). Results Most patients (84%) had locally advanced (n=41) or inflammatory breast cancer (n=22). pCR rates in the primary breast were 15% (95% confidence interval [CI], 7% to 30%) and 11% (95% CI, 4% to 26%) in the AC-D and CV-D groups, respectively. The overall response rates and 5-year progression-free survival rates in the AC-D and CV-D groups were 62% and 64%, and 51.3% (95% CI, 34.6% to 68.0%) and 30.2% (95% CI, 13.3% to 47.1%), respectively. Although both regimens were well tolerated, CV-D showed less frequent grade 3-4 neutropenia and vomiting than AC-D, whereas manageable diarrhea and hand-foot syndrome were more common in the CV-D group. Conclusion CV-D is a feasible and active non-anthracycline–based neoadjuvant chemotherapy regimen for breast cancer.

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Capecitabine for hormone receptor-positive versus hormone receptor-negative breast cancer
Siao-Nge Hoon, Peter K H Lau, Alison M White, Max K Bulsara, Patricia D Banks, Andrew D Redfern
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Zhenhuan Hou, Jun Mao, Ying Lu, Lianhong Li
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Mick Van de Wiel, Yanina Dockx, Tim Van den Wyngaert, Sigrid Stroobants, Wiebren A.A. Tjalma, Manon T. Huizing
European Journal of Obstetrics & Gynecology and Reproductive Biology.2017; 210: 144. CrossRef
Human serum albumin-mediated apoptin delivery suppresses breast cancer cell growth in vitro and in vivo
Fang Wu, Yizhi Liu, Jian Li, Lei Hou, Fuxi Lei, Shangke Huang, Lu Feng, Xinhan Zhao
Oncology Letters.2017; 13(2): 579. CrossRef
Capecitabine in Combination with Standard (Neo)Adjuvant Regimens in Early Breast Cancer: Survival Outcome from a Meta-Analysis of Randomized Controlled Trials
Ze-Chun Zhang, Qi-Ni Xu, Sui-Ling Lin, Xu-Yuan Li, Hemant Kumar Bid
PLOS ONE.2016; 11(10): e0164663. CrossRef

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Single Immunochemical Fecal Occult Blood Test for Detection of Colorectal Neoplasia: Dae Kyung Sohn, Seung-Yong Jeong, Hyo Seong Choi, Seok-Byung Lim, Jin Myeong Huh, Dae-Hyun Kim, Dae Yong Kim, Young Hoon Kim, Hee Jin Chang, Kyung Hae Jung, Joong-Bae Ahn, Hyun Kyung Kim, Jae-Gahb Park; Cancer Res Treat. 2005;37(1):20-23. Published online February 28, 2005; DOI: https://doi.org/10.4143/crt.2005.37.1.20

Abstract PDF PubReader ePub

Purpose

This study was designed to investigate the validity of a single immunochemical fecal occult blood test (FOBT) for detection of colorectal neoplasia.

Materials and Methods

A total of 3,794 average-risk screenees and 304 colorectal cancer patients admitted to the National Cancer Center, Korea, between May 2001 and November 2002, were studied prospectively. All screenees and admitted patients underwent FOBT and total colonoscopic examinations. Stools were self-collected, and examined using an immunochemical fecal occult blood test (OC-hemodia®, Eiken Chemical Co. Tokyo, Japan) and an OC-sensor analyzer® (Eiken Chemical Co. Tokyo, Japan).

Results

Of the 3,794 asymptomatic screenees, the colonoscopy identified colorectal adenomas and cancers in 613 (16.2%) and 12 (0.3%) subjects, respectively. The sensitivities of a single immunochemical FOBT for detecting colorectal cancers and adenomas in screenees were 25.0 and 2.4%, respectively. The false positive rate of FOBT for colorectal cancer in screenees was 1.19%. For the total 316 colorectal cancer cases (including 12 cases from screenees), the FOBT sensitivities according to the T-stage were 38.5, 75.0%, 78.9 and 79.2% for T1, 2, 3 and 4 cancers, respectively. The sensitivities according to the Dukes stages A, B and C were 63.4, 79.3 and 78.6%, respectively.

Conclusion

The sensitivities of a single immunochemical FOBT for detecting colorectal cancers and adenomas in screenees were 25.0 and 2.4%, respectively. The sensitivities of FOBT were about 80% for Dukes B or C colorectal cancers and 63.4% for Dukes A.

Citations

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Findings in the distal and proximal colon in colonoscopy screening after positive FIT and related pre-procedure factors
M.� Henar Núñez Rodríguez, Pilar Díez Redondo, Fausto Riu Pons, Marta Cimavilla, Andrea Loza, Manuel Perez-Miranda
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Guaiac-based faecal occult blood tests versus faecal immunochemical tests for colorectal cancer screening in average-risk individuals
Esmée J Grobbee, Pieter HA Wisse, Eline H Schreuders, Aafke van Roon, Leonie van Dam, Ann G Zauber, Iris Lansdorp-Vogelaar, Wichor Bramer, Sarah Berhane, Jonathan J Deeks, Ewout W Steyerberg, Monique E van Leerdam, Manon CW Spaander, Ernst J Kuipers
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Mohammad Yaghoobi, Parsa Mehraban Far, Lawrence Mbuagbaw, Yuhong Yuan, David Armstrong, Lehana Thabane, Paul Moayyedi
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Clinicopathologic Comparison of Intermediate or High Grade Peripheral T-Cell Lymphoma with Diffuse B-Cell Lymphoma: Kyung Hae Jung, In Sook Woo, Heung Moon Chang, Dae Seog Heo, Yung Jue Bang, Chul Woo Kim, Seonyang Park, Byoung Kook Kim, Noe Kyeong Kim; J Korean Cancer Assoc. 1997;29(1):136-145.

Abstract PDF: PURPOSE
Peripheral T-cell lymphoma (PTCL) derived from mature T cells forms morphologically diverse group of non-Hodgkin's lymphomas and the clinicopathologic features remain to be debated. In order to elucidate the specific characteristics of PTCL, comparison with a group of diffuse B-cell lymphomas (DBCL) was done.
MATERIALS AND METHODS
Between Dec. 1989 and Feb. 1993, clinical data of 67 cases of intermediate or high grade NHL identified as T-cell or B-cell origin by immunophenotyping was reviewed.
RESULTS
There were 30 cases of PTCL and 37 cases of DBCL. PTCL had more advanced stage and B symptoms at diagnosis. Frequent sites of extranodal involvement were bone marrow, nasal cavity/paranasal sinus, and skin in PTCL and gastrointestinal tract in DBCL. Based on NCI Working Formulation, 40% of PTCL and 14% of DBCL were high grade. Patients with DBCL had a better 3-year overall survival rate (67% vs 47%), however, there was no difference in complete remission rate and disease-free survival rate between two groups with intensive treatment. A subgroup of PTCL patients who had died earlier was found to have more advanced stage and poor performance status.
CONCLUSION
Although patients with PTCL had worse survival in advanced stage, the outcome of patients with PTCL who received intensive treatment was comparable to that of DBCL.

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Chemotherapy of Advanced Soft Tissue Sarcoma with Etoposide, Ifosfamide, and Cisplatin (VIP): Won Seog Kim, Kyung Hae Jung, Hyun Ah Kim, Sung Hyun Yang, Dae Seog Heo, Yung Jue Bang, Noe Kyeong Kim; J Korean Cancer Assoc. 1997;29(1):128-135.

Abstract PDF: PURPOSE
Soft tissue sarcomas are uncommon primary malignancies. So studies on the effective chemotherapy for soft tissue sarcomas are limited. We started this study to evaluate the effectiveness of VIP (etoposide, ifosfamide, cisplatin) combination chemotherapy for advanced soft tissue sarcomas.
MATERIALS AND METHODS
Thirty patients with recurrent or metastatic soft tissue sarcoma were treated with VIP combination chemotherapy between December 1989 and June 1996. Each patient was given etoposide 75 mg/m2, ifosfamide 1000 mg/m2, cisplatin 20 mg/m2 intravenously for five consecutive days every three weeks. Mesna (sodium-2-mercaptoethansulfonate) was given to avoid the urologic toxicity.
RESULTS
Twenty-eight of 30 patients were evaluable for response, and among the 28 evaluable patients, there were 9 partial response (32%). Duration of response in 9 responders ranged from 4.1 to 16.2 months (median 8.8 months). Overall survival ranged from 1.7 to 41.5 months (median 11 months) and survival was better for patients with partial response (median survival 14.8 months vs. 9.7 months with stable disease vs. 5.1 months with progressive disease p=0.0006). Nausea and vomiting was noted in more than 90% of cycles, but was markedly severe in only 4%. Leukopenia was noted in 60% of cycles, including 11% of cycles with counts <2,000/mm3. There was no treatment related death, but we had to stop chemotherapy in 2 patients due to leukopenia (1 patient) and neurotoxicity (1 patient).
CONCLUSION
Combination of etoposide, ifosfamide, and cisplatin was fairly active for advanced soft tissue sarcoma, with myelosuppresion and peripheral neuropathy being the most serious toxicities.

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Phase II trial of VP-16 plus cisplatin for advanced epithelial ovarian cancer: Young Iee Park, Tae Yoo Kim, Kyung Hae Jung, Sung Hyun Yang, Jung Ae Lee, Dae Suk Huh, Young Joo Bang, No Kyung Kim; J Korean Cancer Assoc. 1993;25(4):539-547.

Abstract PDF: No abstract available.

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Combination chemotherapy with cyclophosphamide, vincristine, procarbazine, prednisolone(C-MOPP) in Hodgkin's disease: Kyung Hae Jung, Dong Bok Shin, Hyun Ah Kim, Young Iee Park, Tae You Kim, Keun Chil Park, Yoon Koo Kang, Dae Seog Heo, Yung Jue Bang, Noe Kyeong Kim; J Korean Cancer Assoc. 1991;23(4):806-813.

Abstract PDF: No abstract available.

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5-fluorouracil and cisplatin(FP) combination chemotherapy in advanced gastric cancer patients treated previously with chemotherapy: Heung Tae Kim, Kyung Hae Jung, Won Ki Kang, Young Suk Park, Chang In Suh, Young Hyunk Im, Dae Seog Heo, Yung Jue Bang, Noe Kyeong Kim; J Korean Cancer Assoc. 1991;23(2):279-290.

Abstract PDF: No abstract available.

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Cyclophosphamide , Adriamycin and Cisplatin ( CAP ) Combination Chemotherapy for Invasive Thymoma: Young Suk Park, Young Hyuk Im, Won Ki Kang, Chang In Suh, Kee Hyung Lee, Kyung Hae Jung, Heung Tae Kim, Dae Seog Heo, Yung Jue Bang, Noe Kyeong Kim; J Korean Cancer Assoc. 1990;22(3):532-539.

Abstract PDF: Between October 1985 and January 1990, the combination chemotherapy with cyclophosphamide, adriamycin and cisplatin (CAP) has been administered in 16 patients with invasive, recurrent or metastatic thymoma. Among 14 evaluable patients, 1 patient(7%) achieved a complete response and 4 patients (29%) had a partial response. The 4 year overall survival rates were 56.7% with a median follow-up of 11.5 months. The mast frequent hematologic toxicity was leukopenia (15.9%) and nonhematologic toxicity (WHO criteria; grade II) were alopecia (80%) and nausea/vomiting (66.7%). The CAP regimen is effective and well tolerated for the treatment of invasive thymoma, and further study is needed to confirm the relative effectiveness of CAP regimen in comparison with other regimens and to find out the prognostic factors related to response rate and survival

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5-Fluorouracil and Cisplatin ( FP ) Combination Chemotherapy in Advanced Esophageal Cancer: In Sook Woo, Kyung Hae Jung, Young Iee Park, Jung Ae Rhee, Dae Seog Heo, Yung Jue Bang, Noe Kyeong Kim; J Korean Cancer Assoc. 1996;28(5):835-842.

Abstract PDF: Esophageal Carcinoma is widely disseminated in many patients at the time of diagnosis. Therefore systemic chemotherapy has assumed an important role in the treatment of this disease. We conducted a phase II trial of 5-fluorouracil and cisplatin in 39 patients with advanced esophageal cancer. The regimen consisted of 5-fluorouracil, 1,000 mg/§³/day in 12 hour continuous infusion on day 1 to 5 and cisplatin, 60 mg/§³/day iv on day 1 every three weeks. Response rates were calculated only from 37 patients with measurable disease. The response rate was 39%(complete response 2%, partial response 37%) with a median duration of 4 months (range 2~10 months). Median time of survival for all patients was 9 months(range 1~4 months). The toxicities were moderate. This study demonstrates that combination of 5-fluoriuracil and cisplatin is an efficient and tolerable chemotherapy regimen in patients with advanced esophageal cancer.

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