Clinical trialNCT00005983TerminatedPhase 3Interventional

S9927 Radiation Therapy After Surgery, Chemotherapy, and/or Hormone Therapy in Stage II Breast Cancer

SponsorSWOG Cancer Research NetworkEnrollment98Breast Cancer

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

RATIONALE: Radiation therapy uses high-energy x-rays to damage tumor cells. It is not yet known whether mastectomy, chemotherapy, and/or hormone therapy are more effective with or without radiation therapy in treating breast cancer. PURPOSE: Randomized phase III trial to compare the effectiveness of mastectomy, chemotherapy, and/or hormone therapy with or without radiation therapy in treating women who have stage II breast cancer.

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.

Eric A. Strom, MD, FACR
M.D. Anderson Cancer Center
Study Chair
clinicaltrials.gov ↗
Lawrence B. Marks, MD
Duke University
Study Chair
clinicaltrials.gov ↗
Lawrence J. Solin, MD, FACR
Abramson Cancer Center at Penn Medicine
Study Chair
clinicaltrials.gov ↗
Lori J. Pierce, MD
University of Michigan Rogel Cancer Center
Study Chair
clinicaltrials.gov ↗
Melvin Deutsch, MD
UPMC Cancer Center at UPMC Presbyterian
Study Chair
clinicaltrials.gov ↗
Michael G. Haddock, MD
Mayo Clinic
Study Chair
clinicaltrials.gov ↗
Stephen B. Edge, MD
Roswell Park Cancer Institute
Study Chair
clinicaltrials.gov ↗
Timothy J. Whelan, MD
Margaret and Charles Juravinski Cancer Centre
Study Chair
clinicaltrials.gov ↗

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

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

Canada

Cancer Care Ontario-Hamilton Regional Cancer Centre
Hamilton, Ontario, Canada

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: 30 Jun 2000
Primary completion: 31 Mar 2005
Completion: 31 Mar 2005
Last update posted: 24 Jan 2013
Registered enrollment: 98
Registry id: NCT00005983

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.