Research Achievements

Scientific Articles

Fertility preservation and assisted reproduction in breast cancer patients interrupting adjuvant endocrine therapy to attempt pregnancy


Hatem A Azim J, Samuel M Niman, Ann H Partridge, Isabelle Demeestere, Monica Ruggeri, Marco Colleoni, Cristina Saura, Chikako Shimizu, Anna B. Saetersdal, Judith R. Kroep, Audrey Mailliez, Ellen Warner, Virginia F Borges, Frédéric Amant, Andrea Gombos, Akemi Kataoka, Christine Rousset-Jablonski,Simona Borstnar, Junko Takei, Jeong E Lee,Janice M. Walshe, Manuel Ruíz-Borrego, Halle C F Moore, Christobel Saunders, Vesna Bjelic-Radisic, Snezana Susnjar, Fatima Cardoso, N. J. Klar, Tanja. Spanic, Kathryn Ruddy, Martine Piccart, Larissa A Korde, Aron Goldhirsch †, Richard D Gelber, Olivia Pagani, Fedro A Peccatori


Journal of Clinical Oncology


https://doi.org/10.1200/JCO.23.02292

Prognostic value of the 21‑Gene Breast Recurrence Score® assay for hormone receptor‑positive/human epidermal growth factor 2‑negative advanced breast cancer: subanalysis from Japan Breast Cancer Research Group‑M07 (FUTURE trial)


Takayuki Iwamoto, Naoki Niikura, Kenichi Watanabe, Takashi Takeshita, Yuichiro Kikawa, Kokoro Kobayashi, Nobutaka Iwakuma, Takuho Okamura, Takayuki Kobayashi, Yuriko Katagiri, Masahiro Kitada, Nobumoto Tomioka, Yasuo Miyoshi, Hideo Shigematsu, Minoru Miyashita, Hiroshi Ishiguro, Norikazu Masuda, Shigehira Saji


Breast Cancer Research and Treatment


https://doi.org/10.1007/s10549-024-07414-7

Long-term outcomes of neoadjuvant trastuzumab emtansine + pertuzumab (T-DM1+P) and docetaxel + carboplatin + trastuzumab + pertuzumab (TCbHP) for HER2-positive primary breast cancer: results of the randomized phase 2 JBCRG20 study (Neo-peaks)


Toshimi Takano, Norikazu Masuda, Mitsuya Ito, Kenichi Inoue, Yuko Tanabe, Kousuke Kawaguchi, Hiroyuki Yasojima, Hiroko Bando, Rikiya Nakamura, Takashi Yamanaka, Kazushige Ishida, Tomoyuki Aruga, Yasuhiro Yanagita, Eriko Tokunaga, Kenjiro Aogi, Shinji Ohno, Hiroi Kasai, Tatsuki R. Kataoka, Satoshi Morita, Masakazu Toi


Breast Cancer Research and Treatment


https://doi.org/10.1007/s10549-024-07333-7

Identifying Prognostic Biomarkers for Palbociclib Add-On Therapy in Fulvestrant-Resistant Breast Cancer Using cell-free DNA Sequencing


Takashi Takeshita, Takayuki Iwamoto, Naoki Niikura, Kenichi Watanabe, Yuichiro Kikawa, Kokoro Kobayashi, Nobutaka Iwakuma, Takuho Okamura Hiroshi Tada, Shinji Ozaki, Toshitaka Okuno, Uhi Toh, Yutaka Yamamoto, Michiko Tsuneizumi, Hiroshi Ishiguro, Norikazu Masuda, Shigehira Saji


ESMO Open


https://doi.org/10.1016/j.esmoop.2024.102385

Time-series blood cytokine profiles correlate with treatment responses in triple-negative breast cancer patients


Kosuke Kawaguchi, Don Saldajeno, Shinpei Kawaoka, Norikazu Masuda, Sunao Tanaka, Hiroko Bando, Tomomi Nishimura, Takayuki Kadoya, Takashi Yamanaka, Shigeru Imoto, Ravindranath Velaga, Nobuko Tamura, Tomoyuki Aruga, Kazushi Ikeda, Yurina Maeshima, Masahiro Takada, Eiji Suzuki, Takayuki Ueno, Seishi Ogawa, Hironori Haga, Shinji Ohno, Satoshi Morita, Masakazu Toi, and Yukiko Fukui


British Journal of Cancer


https://doi.org/10.1038/s41416-023-02527-0

Changes in cell-free DNA after short-term palbociclib and fulvestrant treatment for advanced or metastatic hormone receptor-positive and human epidermal growth factor 2-negative breast cancer Breast Cancer Research and Treatment 


Takayuki Iwamoto, Naoki Niikura, Kenichi Watanabe, Takashi Takeshita, Yuichiro Kikawa, Kokoro Kobayashi, Nobutaka Iwakuma, Takuho Okamura, Hiroshi Tada, Shinji Ozaki, Toshitaka Okuno, Uhi Toh, Yutaka Yamamoto, Michiko Tsuneizumi, Hiroshi Ishiguro, Norikazu Masuda, Shigehira Saji


Breast Cancer Research and Treatment


https://doi.org/10.21203/rs.3.rs-2909789/v1

Fulvestrant with or without anti-HER2 therapy in patients in a postmenopausal hormonal state and with ER-positive HER2-positive advanced or metastatic breast cancer: a subgroup analysis of data from the Safari study (JBCRG-C06)


Misato Masuyama, Norikazu Masuda, Hidetoshi Kawaguchi, Yutaka Yamamoto, Shigehira Saji, Takahiro Nakayama, Kenjiro Aogi, Keisei Anan, Shoichiro Ohtani, Nobuaki Sato, Toshimi Takano, Eriko Tokunaga, Seigo Nakamura, Yoshie Hasegawa, Masaya Hattori, Tomomi Fujisawa, Satoshi Morita, Miki Yamaguchi, Toshinari Yamashita, Daisuke Yotsumoto, Masakazu Toi, Shinji Ohno


Cancer Medicine. 2023;00:1–13. 


https://doi.org/10.1002/cam4.6390

Interrupting Endocrine Therapy to Attempt Pregnancy after Breast Cancer


Ann H Partridge, Samuel M Niman, Monica Ruggeri, Fedro A Peccatori, Hatem A Azim Jr, Marco Colleoni, Cristina Saura, Chikako Shimizu, Anna B Sætersdal, Judith R Kroep, Audrey Mailliez, Ellen Warner, Virginia F Borges, Frédéric Amant, Andrea Gombos, Akemi Kataoka, Christine Rousset-Jablonski, Simona Borstnar, Junko Takei, Jeong E Lee, Janice M Walshe, Manuel Ruíz-Borrego, Halle C F Moore, Christobel Saunders, Vesna Bjelic-Radisic, Snezana Susnjar, Fatima Cardoso, Karen L Smith, Teresa Ferreiro, Karin Ribi, Kathryn Ruddy, Roswitha Kammler, Sarra El-Abed, Giuseppe Viale, Martine Piccart, Larissa A Korde, Aron Goldhirsch, Richard D Gelber, Olivia Pagani; International Breast Cancer Study Group; POSITIVE Trial Collaborators


New England Journal of Medicine 2023 May; 388:1645-1656


https://www.nejm.org/doi/full/10.1056/NEJMoa2212856

Adjuvant olaparib in the subset of patients from Japan with BRCA1- or BRCA2-mutated high-risk early breast cancer from the phase 3 OlympiA trial


Hideko Yamauchi, Masakazu Toi, Shin Takayama, Seigo Nakamura, Toshimi Takano, Karen Cui, Christine Campbell, Liesbet De Vos, Charles Geyer Jr, Andrew Tutt


Breast Cancer, 2023 April; 30, 596-605.


https://doi.org/10.1007/s12282-023-01451-8

Retrospective study on the effectiveness of medroxyprogesterone acetate in the treatment of ER-positive/HER2-negative postmenopausal advanced breast cancer: An additional analysis of the JBCRG-C06 Safari study


Hidetoshi Kawaguchi, Yutaka Yamamoto, Shigehira Saji, Norikazu Masuda, Takahiro Nakayama, Kenjiro Aogi, Keisei Anan, Shoichiro Ohtani, Nobuaki Sato, Toshimi Takano, Eriko Tokunaga, Seigo Nakamura, Yoshie Hasegawa, Masaya Hattori, Tomomi Fujisawa, Satoshi Morita, Miki Yamaguchi, Toshinari Yamashita, Daisuke Yotsumoto, Masakazu Toi, Shinji Ohno


Japanese Journal of Clinical Oncology. 2023 Mar; 53(3): 203–211


https://doi.org/10.1093/jjco/hyac184

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by Voluntary Organization JBCRG