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Clinical trialNCT02248662CompletedObservational

Impact of Radiation Therapy on Breast Conservation in DCIS

SponsorDana-Farber Cancer InstituteEnrollment3,436DCIS
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

Large regional variation exists in the use of radiotherapy after breast-conserving surgery (BCS) for ductal carcinoma in situ (DCIS). Although patients who do not receive initial radiotherapy for DCIS are candidates for subsequent BCS if they experience a second breast event, many undergo mastectomy instead.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

4 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Dana Farber Cancer Institute

    Boston, Massachusetts, United States

  • Harvard Pilgrim Health Care Institute

    Boston, Massachusetts, United States

  • Dartmouth College

    Hanover, New Hampshire, United States

  • University of Wisconsin

    Madison, Wisconsin, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
31 Aug 2013
Primary completion
31 Jan 2017
Completion
31 Jan 2017
Last update posted
6 Sept 2019
Registered enrollment
3,436
Registry id
NCT02248662
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 4 Nov 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.