How to Study Rare Gynecological Tumors: Trials or Registries?

  • Isabelle Ray-Coquard
  • David M. Gershenson


The study of rare gynecological tumors presents many challenges. Funding is limited, the pharmaceutical industry has little incentive to develop drugs for rare cancers, patient accrual to trials is frequently prolonged, there is no consensus about the most efficient clinical trial design methodology, and national regulatory requirements currently significantly impair the ability to conduct international trials. In this chapter, we discuss the pros and cons of registries versus clinical trials as strategies to study women with rare gynecological tumors. In putting this topic in perspective, Dr. Ray-Coquard discusses the experience with the French Rare Ovarian Cancer Network, and Dr. Gershenson details the strategies and activities of the Gynecologic Oncology Group’s Rare Tumor Committee.


Rare Tumor Clear Cell Carcinoma Gynecologic Oncology Group Granulosa Cell Tumor Uterine Sarcoma 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag London 2014

Authors and Affiliations

  1. 1.Adult Medical OncologyCentre Leon BerardLyonFrance
  2. 2.Gynecologic Oncology and Reproductive Medicine, Department of Gynecologic OncologyThe University of Texas MD Anderson Cancer CenterHoustonUSA

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