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Hiroshi Asano,Katsutoshi Oda,Kosuke Yoshihara,Yoichi M Ito,Noriomi Matsumura,Muneaki Shimada,Hidemichi Watari,Takayuki Enomoto 대한부인종양학회 2022 Journal of Gynecologic Oncology Vol.33 No.4
Background: Poly (adenosine diphosphate)-ribose polymerase (PARP) inhibitors for tumors with homologous recombination deficiency (HRD), including pathogenic mutationsin , have been developed. Genomic analysis revealed that about 20% of uterine leiomyosarcoma (uLMS) have HRD, including 7.5%–10% of alterations and 4%–6% of carcinomas of the uterine corpus, and 2.5%–4% of the uterine cervix have alterations of. Preclinical and clinical case reports suggest that PARP inhibitors may be effective against those targets. The Japanese Gynecologic Oncology Group (JGOG) is now planning to conduct a new investigator-initiated clinical trial, JGOG2052. Methods: JGOG2052 is a single-arm, open-label, multi-center, phase 2 clinical trial to evaluate the efficacy and safety of niraparib monotherapy for a recurrent or persistent rare fraction of gynecologic malignancies with mutations except for ovarian cancers. We will independently consider the effect of niraparib for uLMS or other gynecologic malignancies with mutations (cohort A, C) and HRD positive uLMS without mutations (cohort B). Participants must have 1–3 lines of previous chemotherapy and at least one measurable lesion according to RECIST (v.1.1). Niraparib will be orally administered once a day until lesion exacerbation or unacceptable adverse events occur. Efficacy will be evaluated by imaging through an additional computed tomography scan every 8 weeks. Safety will be measured weekly in cycle 1 and every 4 weeks after cycle 2 by blood tests and physical examinations. The sample size is 16–20 in each of cohort A and B, and 31 in cohort C. Primary endpoint is the objective response rate.
Ji Yon Agnes Jang,Nozomu Yanaihara,Eric Pujade-Lauraine,Yoshiki Mikami,Katsutoshi Oda,Michael Bookman,Jonathan Ledermann,Muneaki Shimada,Takako Kiyokawa,김병기,Noriomi Matsumura,Tsunehisa Kaku,Takafumi K 대한부인종양학회 2017 Journal of Gynecologic Oncology Vol.28 No.4
There has been significant progress in the understanding of the pathology and molecular biologyof rare ovarian cancers, which has helped both diagnosis and treatment. This paper provides anupdate on recent advances in the knowledge and treatment of rare ovarian cancers and identifiesgaps that need to be addressed by further clinical research. The topics covered include: low-gradeserous, mucinous, and clear cell carcinomas of the ovary. Given the molecular heterogeneity andthe histopathological rarity of these ovarian cancers, the importance of designing adequatelypowered trials or finding statistically innovative ways to approach the treatment of these raretumors has been emphasized. This paper is based on the Rare Ovarian Tumors Conferencefor Young Investigators which was presented in Tokyo 2015 prior to the 5th Ovarian CancerConsensus Conference of the Gynecologic Cancer InterGroup (GCIG).
Yusuke Kobayashi,Kenta Masuda,Akira Hiraswa,Kazuhiro Takehara,Hitoshi Tsuda,Yoh Watanabe,Katsutoshi Oda,Satoru Nagase,Masaki Mandai,Aikou Okamoto,Nobuo Yaegashi,Mikio Mikami,Takayuki Enomoto,Daisuke A 대한부인종양학회 2022 Journal of Gynecologic Oncology Vol.33 No.5
Objective: The practices pertaining to hereditary breast and ovarian cancer (HBOC) in Japan have been rapidly changing owing to the clinical development of poly(ADP-ribose) polymerase inhibitors, the increasing availability of companion diagnostics, and the broadened insurance coverage of HBOC management from April 2020. A questionnaire of gynecologic oncologists was conducted to understand the current status and to promote the widespread standardization of future HBOC management. Methods: A Google Form questionnaire was administered to the members of the Japan Society of Gynecologic Oncology. The survey consisted of 25 questions in 4 categories: respondent demographics, HBOC management experience, insurance coverage of HBOC management, and educational opportunities related to HBOC. Results: A total of 666 valid responses were received. Regarding the prevalence of HBOC practice, the majority of physicians responded in the negative and required human resources, information sharing and educational opportunities, and expanded insurance coverage to adopt and improve HBOC practice. Most physicians were not satisfied with the educational opportunities provided so far, and further expansion was desired. They remarked on the psychological burdens of many HBOC managements. Physicians reported these burdens could be alleviated by securing sufficient time to engage in HBOC management, creating easy-to-understand explanatory material for patients, collaboration with specialists in genetic medicine, and educational opportunities. Conclusion: Gynecologic oncologists in Japan are struggling to deal with psychological burdens in HBOC practice. To promote the clinical practice of HBOC management, there is an urgent need to strengthen human resources and improve educational opportunities, and expand insurance coverage for HBOC management.