Program

Scientific Program

YWBCH 2026 MedPro Publication Excellence Award

Special Award for Emerging AYA Researchers Sponsored by AiiA Corporation

The program is subject to change.

The time is in Japan Standard Time (JST).

This conference offers simultaneous interpretation services, made possible through the collaboration between Meiji Yasuda Research Institute Inc. and the Japan Association of Medical Translators (JAMT).

Day1: 8:30-18:00

8:30-8:45	Opening Address Chikako Shimizu, MD, PhD Japan Institute for Health Security, Japan
8:45-9:00	Opening Remarks Rakesh Kumar, PhD Breast Cancer in Young Women Foundation, USA / Cancer Research Institute, India
9:00-9:30	Nobel Prize Lecture (online) Chair : Rakesh Kumar, PhD Breast Cancer in Young Women Foundation, USA / Cancer Research Institute, India Speaker : Aaron Ciechanover, MD, DSc The Rappaport Family Technion Integrated Cancer Center (TICC), Israel
9:30-10:00	Epidemiology Chair : Takahiro Nakayama, MD, PhD Osaka International Cancer Institute, Japan Speaker : Global Health Perspectives on Early-Onset Breast Cancer: Diet, Metabolism, and Implications for Clinical Care Jeong Eon Lee, MD, PhD, FSSO Samsung Medical Center, Korea
10:00-11:00	Basic Science & Biology Chairs : Takayuki Ueno The Cancer Institute Hospital of JFCR, Japan Rakesh Kumar, PhD Breast Cancer in Young Women Foundation, USA / Cancer Research Institute, India Speakers : Genomic Insights into the Carcinogenesis of Early-Onset Breast Cancer Kouya Shiraishi National Cancer Center Research Institute, Japan Environmental Exposures and the Rise of Early-Onset Breast Cancer Paola Marignani Dalhousie University, Canada Tumor Immune Environment in Early-Onset Breast Cancer Kousuke Kawaguchi, MD, PhD Mie University, Japan
11:00-12:00	Awareness & Information Management Chairs : Atsuko Kitano, MD St Lukes International Hospital, Japan Rachelle Panitz SoBrave, Australia Speakers : Health Promotion and Community-Based Interventions: Engaging the Public in Women's Health Sabhyata Gupta, MD Medanta-The Medicity, India Promoting Cancer Education as Part of Preconception Care Yusuke Shimizu Fujita Health University, Japan Risk-Based Breast Cancer Screening: What Are the Challenges? Caroline A. Drukker, MD, PhD Netherlands Cancer Institute, Netherlands
12:15-13:15	Luncheon Seminar 1 Sponserd by MSD Treatment Choices and Survivorship in Young Patients with Triple-Negative Breast Cancer Chair : Masahiro Takada, MD, PhD Kansai Medical University, Japan Speaker : Yoon-Sim Yap, MBBS, FRACP, PhD National Cancer Centre Singapore, Singapore
12:15-13:15	Luncheon Seminar 2 Sponserd by Exact Sciences Optimizing Treatment for Premenopausal Women with HR+, HER2- Breast Cancer: Challenges and Future Directions Chair : Hiroko Bando, MD, PhD University of Tsukuba Hospital, Japan Speaker : Makiko Ono, MD, PhD Tokyo Women’s Medical University, Japan
13:30-14:30	Escalation and De-escalation of Systemic Therapy for Early-Stage Breast Cancer in Young Women Chairs : Hiroshi Ishiguro, MD, PhD, FACP Saitama Medical University International Medical Center, Japan Yoon-Sim Yap, MBBS, FRACP, PhD National Cancer Centre Singapore, Singapore Speakers : Systemic Therapy for Early Breast Cancer in Young Women: Treatment Choice vs. Survivorship Issues Jens Huober, MD (Online) Cantonal hospital Breast Center St.Gallen, Switzerland Role of Genomic and Molecular Information in Treatment Selection of Young Women with Primary Breast Cancer Hiroko Masuda MD., PhD. Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Japan Addressing Unmet Needs in Supportive Care: Gonadal Dysfunction and Associated Challenges Shari Goldfarb, MD Weill Cornell Medical College Memorial Sloan Kettering Cancer Center, USA
14:30-15:30	Onco-Fertility and Pregnancy-Associated Breast Cancer Chair : Hiroko Masuda, MD, PhD University of Tsukuba Hospital, Japan Speakers : Interrupting Endocrine Therapy to Attempt Pregnancy after Breast Cancer Monica Ruggeri ETOP IBCSG Partners Foundation, Switzerland Pregnancy-Associated Breast Cancer Shari Goldfarb, MD Weill Cornell Medical College Memorial Sloan Kettering Cancer Center, USA The Progress and Future of Oncofertility in Japan Nao Suzuki, MD, PhD St. Marianna University School of Medicine, Japan
15:30-15:50	Coffee Break
15:50-16:20	Selected Poster Presentation Awards Chair : Manabu Futamura, MD, PhD, FACS Gifu University Hospital, Japan Toshinari Yamashita Kanagawa Cancer Center, Japan
16:20-17:20	Challenges in Clinical Research on Young Women with Breast Cancer Chairs : Yutaka Yamamoto, MD, PhD Kumamoto University Hospital, Japan Monica Ruggeri ETOP IBCSG Partners Foundation, Switzerland Speakers : Challenges in Study Design for Interventional Studies Hee Jeong Kim, MD, PhD Asan Medical Center, Korea Measurement of QOL of AYA Breast Cancer Survivors Marie Jeanne Vrancken Peeters, MD, PhD Netherlands Cancer Institute / Amsterdam University Medical Center, Netherlands Access to Clinical Research: From Patient Perspective Mie Mifune Pink Ring Young Breast Cancer Support Community, Japan
17:20-18:00	Special Lecture (online) Chair : Masakazu Toi, MD, PhD Tokyo Metropolitan Komagome Hospital, Japan Speaker : Endocrine Environment and Treatment of Early-Onset Breast Cancer Michael Gnant, MD, FACS, FEBS Medical University of Vienna / Austrian Breast & Colorectal Cancer Study Group, Austria

Day2: 8:30-17:00

8:30-9:30	Early Detection Chairs : Eriko Tokunaga National Hospital Organization Kyushu Cancer Center, Japan Jeong Eon Lee, MD, PhD, FSSO Samsung Medical Center, Korea Speakers : AI Chatbots in the Future of Patient Care: The Development of MAIKO and the Road Ahead Tetsu Hayashida, MD, PhD Keio University School of Medicine, Japan Inherited predisposition: implications for patients and for 'carrier' relatives Ellen Warner, MD, MSc, FRCPC, FACP University of Toronto, Canada Diagnostic Imaging Samantha L. Heller, PhD, MD, FSBI New York University Grossman School of Medicine, USA
9:30-10:30	Considerations on Local Therapy for Early-Stage Breast Cancer in Young Women Chairs : Masahiro Takada, MD. PhD. Kansai Medical University Hospital, Japan Hee Jeong Kim, MD, PhD Asan Medical Center, Korea Speakers : Controversies on Surgical Treatment of Early-Onset Breast Cancer : Breast Conserving Surgery Versus Mastectomy in Young Women with Breast Cancer in the Asian Setting Cheng-Har Yip, MBBS, FRCS (Glasg) FRCSEd, FACS(Hon) University of Malaya, Malaysia Breast Reconstruction for Young Women with Breast Cancer Marie Jeanne Vrancken Peeters, MD, PhD Netherlands Cancer Institute / Amsterdam University Medical Center, Netherlands Radiotherapy: To What Extent Can Radiation Treatment Be Safely Omitted in Young Women? Naoko Sanuki Keio University, Japan
10:30-12:00	Special Guest Lecture Special Keynote PART1 Speaker : Kazuyo Sejima Architect / Co-Principal, SANAA / Pritzker Prize Laureate, Japan Special Keynote PART2 Panel Discussion Panelists : Kazuyo Sejima Architect / Co-Principal, SANAA / Pritzker Prize Laureate, Japan James Aquilina Estée Lauder Companies, Japan Masakazu Toi, MD, PhD Tokyo Metropolitan Komagome Hospital, Japan Moderator : Chikako Shimizu, MD, PhD Japan Institute for Health Security, Japan
12:15-13:15	Luncheon Seminar 3 Sponserd by Gilead Sciences Chair : Tomoyuki Aruga, MD, PhD Institute of Science Tokyo, Japan Speaker : Metastatic Breast Cancers in Young Women ~What Makes It Unique and How Should We Treat It ?~ Tetsuhiro Yoshinami, MD, PhD The University of Osaka Hospital, Japan
12:15-13:15	Luncheon Seminar 4 Sponserd by JSFP
13:30-14:30	Advanced Breast Cancer in Young Women: Clinical and Survivorship Challenges Chairs : Shinji Ohno Sagara Hospital, Japan Ellen Warner, MD, MSc, FRCPC, FACP University of Toronto, Canada Speakers : Advanced Breast Cancer in Young Women: Curable or Incurable Disease? Yoon-Sim Yap, MBBS, FRACP, PhD National Cancer Center Singapore, Singapore Challenges for Metavivors Stacy Lewis, BS, CHES Young Survival Coalition, USA Challenges in Treatment Access Due to Economic Disparities Yuri Ito, PhD Kobe University / Osaka Medical and Pharmaceutical University, Japan
14:30-16:00	Patient Advocacy Chairs : Luis Costa, MD, PhD Hospital de Santa Maria / The Lisbon Academic Medical Centre, Portugal Naomi Sakurai Cancer Survivors Recruiting Project, Japan Speakers : Financial Toxicity of Cancer Treatment Kazunori Honda, MD, PhD Aichi Cancer Center, Japan Rethinking Community Advocacy Across Cultures Hideko Yamauchi, MD, FACS University of Hawaiʻi Cancer Center, USA Access to High-Quality Medical Oncology Care: Can We Have It All? Ashok Kumar Vaid, MD, DM Medanta Cancer Institute, India Strategies to Eliminate Gaps in Access to Care: Addressing Misperceptions of Breast Cancer Risk in Young Women Rachelle Panitz SoBrave, Australia
16:00-16:15	Closing Remarks Shigehira Saji, MD, PhD JBCRG / Fukushima Medical University, Japan
16:15-17:00	Announcement of the 2027 Event & Group Photo