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Terminated Phase 1 Interventional

ATR Inhibitor Elimusertib (BAY1895344) Plus Niraparib Phase 1b Study in Advanced Solid Tumors and Ovarian Cancer

ClinicalTrials.gov ID: NCT04267939

Public ClinicalTrials.gov record NCT04267939. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 12, 2026, 1:56 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An Open-label Phase 1b Study to Determine the Maximum Tolerated and/or Recommended Phase 2 Dose of the ATR Inhibitor Elimusertib (BAY 1895344) in Combination With PARP Inhibitor Niraparib, in Participants With Recurrent Advanced Solid Tumors and Ovarian Cancer

Study identification

NCT ID
NCT04267939
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 1
Lead sponsor
Bayer
Industry
Enrollment
14 participants

Conditions and interventions

Interventions

  • Elimusertib (BAY1895344) Drug
  • Niraparib Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 25, 2020
Primary completion
Nov 30, 2023
Completion
Nov 30, 2023
Last update posted
Dec 20, 2023

2020 – 2023

United States locations

U.S. sites
3
U.S. states
3
U.S. cities
3
Facility City State ZIP Site status
Dana-Farber Cancer Institute Boston Massachusetts 02215
Memorial Sloan-Kettering Cancer Center New York New York 10065
University of Texas MD Anderson Cancer Center Houston Texas 77030

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04267939, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Dec 20, 2023 · Synced May 12, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04267939 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →