Cardiotoxicity in Breast Cancer Patients Treated With Proton or Photon Radiotherapy: A RadComp Companion Study
Public ClinicalTrials.gov record NCT04361240. 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 companion study to the "Pragmatic Randomized Trial of Proton vs Photon Therapy for Patients with non-Metastatic Breast Cancer Receiving Comprehensive Nodal Radiation: A Radiotherapy Comparative Effectiveness (RadComp) Consortium Trial" (NCT02603341). The investigators will collect cardiovascular (CV) biomarkers and echocardiograms prior to, during, and for up to 1 year following radiation for a subset of patients enrolled on RadComp and to evaluate the impact of proton vs photon radiation therapy (RT) on CV function and structure.
Study identification
- NCT ID
- NCT04361240
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 172 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 21 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
- Aug 1, 2020 (Actual)
- Primary completion
- May 29, 2025 (Actual)
- Completion
- May 29, 2025 (Actual)
- Last update posted
- Feb 9, 2026
2020 – 2025
United States locations
- U.S. sites
- 6
- U.S. states
- 6
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama | Birmingham | Alabama | 35233 | — |
| Northwestern Medicine | Warrenville | Illinois | 60555 | — |
| Johns Hopkins | Baltimore | Maryland | 21287 | — |
| Memorial Sloan Kettering Cancer Center | New York | New York | 10065 | — |
| Abramson Cancer Center at University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | — |
| University of Washington | Seattle | Washington | 98195 | — |
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 NCT04361240, 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 Feb 9, 2026 · Synced Oct 20, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04361240 live on ClinicalTrials.gov.