Low-Dose-Rate Brachytherapy Combined With Immune Checkpoint Inhibition in Cancer
Public ClinicalTrials.gov record NCT04620603. 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.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a pilot study of combination low dose rate brachytherapy (LDR) added to standard of care (SOC) immunotherapy in stage III and IV melanoma, stage IV renal call cancer, and stage IV urothelial cancer.
Study identification
- NCT ID
- NCT04620603
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 1
- Enrollment
- 5 participants
Conditions and interventions
Interventions
- Low Dose Rate Brachytherapy (LDR) Radiation
- Standard-of-Care Immunotherapy Drug
Radiation · 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
- May 26, 2021
- Primary completion
- Mar 19, 2024
- Completion
- Aug 31, 2026
- Last update posted
- May 4, 2026
2021 – 2026
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Cleveland Clinic, Case Comprehensive Cancer Center | Cleveland | Ohio | 44122 | — |
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 NCT04620603, 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 May 4, 2026 · Synced Sep 18, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04620603 live on ClinicalTrials.gov.