A Rollover Protocol of Elacestrant, in Combination With Onapristone, for Patients With ER+, PR+, HER2- Advanced or Metastatic Breast Cancer

NCT ID: NCT06938711

Last Updated: 2025-04-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Clinical Phase

PHASE1/PHASE2

Study Classification

INTERVENTIONAL

Study Start Date

2023-06-30

Study Completion Date

2023-12-31

Brief Summary

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This is a rollover study for patients enrolled in the discontinued ELONA clinical trial (ONA-XR-103) with the primary objective to characterize the safety of elacestrant in combination with onapristone either alone or in combination.

Detailed Description

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Conditions

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Breast Cancer

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Elacestrant / Onapristone

Elacestrant and Onapristone combination

Group Type EXPERIMENTAL

Elacestrant

Intervention Type DRUG

Elacestrant 200mg once daily oral dosing in cycles of 28 days.

Onapristone

Intervention Type DRUG

Onapristone 40mg twice daily oral dosing in cycles of 28 days.

Interventions

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Elacestrant

Elacestrant 200mg once daily oral dosing in cycles of 28 days.

Intervention Type DRUG

Onapristone

Onapristone 40mg twice daily oral dosing in cycles of 28 days.

Intervention Type DRUG

Other Intervention Names

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RAD1901

Eligibility Criteria

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Inclusion Criteria

* Patient is currently enrolled in the ELONA clinical study (ONA-XR-103) and receiving onapristone or elacestrant, either alone or in combination.
* Patient is currently benefiting from the treatment in the ELONA clinical study, as determined by the investigator.
* Patient currently has no evidence of progressive disease, as determined by the investigator.

Exclusion Criteria

* Pregnant or nursing (lactating) women.
* Female patients of childbearing potential (e.g., are menstruating) who do not agree to abstinence or, if sexually active, do not agree to the use of highly effective contraception, throughout the study and for up to 30 days after stopping study treatment.
Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Context Therapeutics Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Sarah Cannon Research Institute

Nashville, Tennessee, United States

Site Status

Countries

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United States

Other Identifiers

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ONA-XR-104

Identifier Type: -

Identifier Source: org_study_id

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