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Clinical trialNCT01266642Active, not recruitingPhase 2Interventional

Hypofractionated Radiation Therapy or Standard Radiation Therapy in Treating Patients With Ductal Breast Carcinoma In Situ or Early Invasive Breast Cancer

SponsorM.D. Anderson Cancer CenterEnrollment301Ductal Breast Carcinoma In SituInvasive Breast CarcinomaStage I Breast Cancer AJCC v6Stage IA Breast Cancer AJCC v7Stage IB Breast Cancer AJCC v7Stage II Breast Cancer AJCC v6 and v7+2 more conditions
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

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

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

United States
  • Banner Md Anderson Cancer Center

    Gilbert, Arizona, United States

  • Uf Cancer Center at Orlando Health

    Orlando, Florida, United States

  • Md Anderson in the Woodlands

    Conroe, Texas, United States

  • M D Anderson Cancer Center

    Houston, Texas, United States

  • Md Anderson West Houston

    Houston, Texas, United States

  • Md Anderson League City

    League City, Texas, United States

  • Md Anderson in Sugar Land

    Sugar Land, Texas, 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
8 Feb 2011
Primary completion
30 Nov 2020
Completion
30 Nov 2040
Last update posted
11 Mar 2026
Registered enrollment
301
Registry id
NCT01266642
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.