The Differential Impact of Proton Beam Irradiation Versus Conventional Radiation on Organs-at-risk in Stage II-III Breast Cancer Patients

ClinicalTrials.gov ID: NCT03270072

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Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The objective of the study is to serve as a correlative study for patients enrolled on the RadCOMP trial (NCT02603341), a randomized phase III study of stage II and III breast cancer patients treated with either conventional photon radiation or proton beam radiation

Study identification

NCT ID: NCT03270072
Recruitment status: Active, not recruiting
Study type: Observational
Phase: Not listed
Lead sponsor: Massachusetts General Hospital; Other
Enrollment: 100 participants

Conditions and interventions

Conditions

Interventions

Not listed

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: Oct 26, 2017 (Actual)
Primary completion: Dec 31, 2024 (Actual)
Completion: Dec 31, 2026 (Estimated)
Last update posted: Sep 2, 2026

2017 – 2026

United States locations

U.S. sites: 1
U.S. states: 1
U.S. cities: 1

Facility	City	State	ZIP	Site status
Massachusetts General Hospital	Boston	Massachusetts	02114	—

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 NCT03270072, 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 Sep 2, 2026 · Synced Nov 15, 2026