ESTRO 2025 - Abstract Book

S801

Clinical - Gynaecology

ESTRO 2025

Conclusion: Though the conservative statistical futility boundary was not violated at this preplanned interim analysis, the 3-year DFS of Nelfinavir arm was not considered clinically efficacious enough to support continued recruitment for the clinical trial.

Keywords: Locally Advanced Cervix Cancer, IGBT, Nelfinavir

943

Proffered Paper A single-arm confirmatory trial of postoperative CCRT using IMRT for patients with high-risk uterine cervical cancer (JCOG1402) Fumiaki Isohashi 1 , Takafumi Toita 2 , Hiroaki Kobayashi 3 , Takahiro Kasamatsu 4 , Ryunosuke Machida 5 , Naoya Murakami 6 , Yoko Hasumi 7 , Hiroyuki Okamoto 8 , Satoshi Ishikura 9 , Hiroki Ushijima 10 , Koji Horie 11 , Kayoko Tsujino 12 , Shinichi Togami 3 , Michihiro Tanigawa 13 , Hiroshi Nishio 14 , Toshio Takada 15 , Kenta Konishi 16 , Kazuya Ariyoshi 17 , Koji Konishi 18 , Tadamasa Yoshitake 19 , Kazuto Nakamura 20 , Haruya Saji 21 , Tsuyoshi Hisa 22 , Toyomi Satoh 23 , Takashi Mizowaki 24 1 Department of Radiation Oncology, Nara Medical University, Nara, Japan. 2 Radiation Therapy Center, Okinawa Chubu Hospital, Okinawa, Japan. 3 Department of Obstetrics and Gynecology, Faculty of Medicine, Kagoshima University, Kagoshima, Japan. 4 Department of Obstetrics and Gynecology, Tokyo Metropolitan Bokutoh Hospital, Tokyo, Japan. 5 JCOG Data Center, National Cancer Center Hospital, Tokyo, Japan. 6 Department of Radiation Oncology, Juntendo University Graduate School of Medicine, Tokyo, Japan. 7 Department of Obstetrics and Gynecology, Mitsui Memorial Hospital, Tokyo, Japan. 8 Radiation Safety and Quality Assurance Division, National Cancer Center Hospital, Tokyo, Japan. 9 Department of Radiation Oncology, St. Luke's International Hospital, St. Luke's International University, Tokyo, Japan. 10 Department of Radiation Oncology, Saitama Cancer Center, Saitama, Japan. 11 Department of Gynecology, Saitama Cancer Center, Saitama, Japan. 12 Department of Radiation Oncology, Hyogo Cancer Center, Hyogo, Japan. 13 Department of Gynecology, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan. 14 Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan. 15 Department of Obstetrics and Gynecology, Kitasato University School of Medicine, Kanagawa, Japan. 16 Department of Radiation Oncology, Hamamatsu University School of Medicine, Shizuoka, Japan. 17 Gynecology Service, National Kyushu Cancer Center, Fukuoka, Japan. 18 Department of Radiation