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Clinical trialNCT03909152CompletedPhase 2Interventional

A Study of Onapristone ER Alone Or In Combination With Anastrozole in Gynecologic Cancers That Respond to Progesterone

SponsorMemorial Sloan Kettering Cancer CenterEnrollment34Endometrioid Endometrial CancerGranulosa Cell Ovarian CancerLow Grade Serous Ovarian/ Primary Peritoneal Cancer
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

8 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Memorial Sloan Kettering Basking Ridge

    Basking Ridge, New Jersey, United States

  • Memorial Sloan Kettering Monmouth

    Middletown, New Jersey, United States

  • Memorial Sloan Kettering Bergen

    Montvale, New Jersey, United States

  • Memorial Sloan Kettering Commack

    Commack, New York, United States

  • Memorial Sloan Kettering Westchester

    Harrison, New York, United States

  • Memorial Sloan Kettering Cancer Center

    New York, New York, United States

  • Memorial Sloan Kettering Rockville Centre

    Rockville Centre, New York, United States

  • Memorial Sloan Kettering Nassau

    Uniondale, New York, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
2 May 2019
Primary completion
3 Sept 2024
Completion
3 Sept 2024
Last update posted
28 Jul 2025
Registered enrollment
34
Registry id
NCT03909152

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.