A Study of RP-3500 in Combination With Standard Radiation Therapy in People With Solid Tumor Cancer
Public ClinicalTrials.gov record NCT05566574. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
RP-3500 (ATRi) + External Beam Radiotherapy (EBRT) for the Palliative Treatment of Metastatic Disease
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to test the safety of the study drug, RP-3500 when given in combination with palliative external beam radiotherapy (EBRT) to people who have metastatic solid tumor cancer with a mutation of the ATM gene. The study researchers will do tests to find the highest dose of RP3500 that causes few or mild side effects.
Study identification
- NCT ID
- NCT05566574
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 1, Phase 2
- Enrollment
- 49 participants
Conditions and interventions
Conditions
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
- Sep 29, 2022
- Primary completion
- Sep 29, 2026
- Completion
- Sep 29, 2026
- Last update posted
- Dec 16, 2025
2022 – 2026
United States locations
- U.S. sites
- 7
- U.S. states
- 2
- U.S. cities
- 7
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Memorial Sloan Kettering Basking Ridge (Limited Protocol Activites) | Basking Ridge | New Jersey | 07920 | — |
| Memorial Sloan Kettering Monmouth (All Protocol Activities) | Middletown | New Jersey | 07748 | — |
| Memorial Sloan Kettering Bergen (Limited Protocol Activities) | Montvale | New Jersey | 07645 | — |
| Memorial Sloan Kettering Cancer Center at Suffolk-Commack (All Protocol Activities) | Commack | New York | 11725 | — |
| Memorial Sloan Kettering Westchester (All Protocol Activities) | Harrison | New York | 10604 | — |
| Memorial Sloan Kettering Cancer Center (All Protocol Activities) | New York | New York | 10065 | — |
| Memorial Sloan Kettering Nassau (Limited Protocol Activities) | Uniondale | New York | 11553 | — |
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 NCT05566574, 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 16, 2025 · Synced Sep 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05566574 live on ClinicalTrials.gov.