CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 276 enrolled
Drug / intervention
RP-3500 (camonsertib) +2 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04497116
NCT04497116Phase 2Completed

Phase 1/2a Study of the Safety, Pharmacokinetics, Pharmacodynamics and Preliminary Clinical Activity of RP-3500 Alone or in Combination With Talazoparib or Gemcitabine in Advanced Solid Tumors With ATR Inhibitor Sensitizing Mutations (TRESR Study)

Repare Therapeutics·interventional·Posted Aug 4, 2020·Updated Oct 21, 2025

In Brief

A Phase 2 clinical trial evaluating RP-3500 (camonsertib), Talazoparib, and 1 other intervention for Advanced Solid Tumor. Completed, enrolled 276 participants across 13 sites in 4 countries.

Detailed Summary

The primary purpose of this study is to define the maximum tolerated dose (MTD) and determine a recommended Phase 2 dose (RP2D) and schedule of orally-administered RP-3500 (camonsertib) alone or in combination with talazoparib, a PARP inhibitor, or Gemcitabine in patients with advanced solid tumors with ATR inhibitor-sensitizing mutations. This study will also evaluate the safety and tolerability of RP-3500 (camonsertib) alone or in combination with talazoparib or gemcitabine, examine both the pharmacokinetics (PK)and pharmacodynamics (PD)and investigate its anti-tumor activity in solid tumors.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesCanada, Denmark, United Kingdom, United States
Collaborators--

Timeline

Phase 2CompletedFinished
202120222023202420252026
First PostedAug 4, 2020
Enrollment StartJul 22, 2020
Primary CompletionJun 13, 2025
TodayJul 2, 2026
Enrollment to primary: 4.9 yearsPosted 5.9 years ago

Interventions

RP-3500 (camonsertib)drug

Oral ATR inhibitor

Talazoparibdrug

Oral PARP inhibitor

Gemcitabine Injectiondrug

Gemcitabine