CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 88 enrolled
Drug / intervention
Hypofractionationradiation
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/NCT02783690
NCT02783690Phase 2Completed

A Randomized Trial of 15 Fraction vs 25 Fraction Pencil Beam Scanning Proton Radiotherapy After Mastectomy in Patients Requiring Regional Nodal Irradiation

Mayo Clinic·interventional·Posted May 26, 2016·Updated Dec 4, 2025

In Brief

A Phase 2 clinical trial evaluating Hypofractionation for Breast Cancer. Completed, enrolled 88 participants across 2 sites.

Detailed Summary

This is a randomized controlled trial to determine the safety of 15 fraction vs 25 fraction pencil beam scanning proton radiotherapy after mastectomy in patients requiring regional nodal irradiation. Proton therapy is recognized as a standard option for the delivery of radiotherapy for breast cancer.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsBreast Cancer
CountriesUnited States
Collaborators--

Timeline

Phase 2CompletedFinished
2017201820192020202120222023202420252026
First PostedMay 26, 2016
Enrollment StartMay 18, 2016
Primary CompletionOct 21, 2020
Study CompletionNov 18, 2023
TodayJul 2, 2026
Enrollment to primary: 4.4 yearsPosted 10.1 years ago

Interventions

Hypofractionationradiation

40 Gy (RBE) in 15 daily fractions