Breast-Conserving Surgery & Whole-Breast Radiation Therapy With or Without

Status Active, not recruiting

Clinical Trial Summary

RATIONALE: Radiation therapy uses high-energy x-rays to kill tumor cells. Giving radiation therapy after surgery may kill any tumor cells that remain after surgery. It is not yet known whether whole-breast radiation therapy is more effective when given with or without additional radiation therapy to the tumor in treating patients with ductal carcinoma in situ. PURPOSE: This randomized phase III trial is studying breast-conserving surgery followed by whole-breast radiation therapy to see how well it works when given with or without additional radiation therapy to the tumor in treating women with ductal carcinoma in situ.

Clinical Trial Description

OBJECTIVES: Primary - Estimate and compare local recurrence-free survival of women with ductal breast carcinoma in situ (DCIS) treated with breast-conserving surgery followed by whole breast irradiation with vs without a radiation tumor bed boost. Secondary - Compare relapse-free survival between the two arms. - Compare overall survival. - Compare acute and late toxicities. - Compare cosmetic results and quality of life. - Identify patients at risk for late toxicities using a biological test. Tertiary - Store blood samples at the CEPH (French Center of the Human Polymorphism Center) for polymorphism analyses. OUTLINE: This is a multicenter study. All patients undergo breast-conserving surgery (after a single intervention or second excision) with a margin ≥ 1 mm. A superficial or deep margin is acceptable if the surgery has left the skin tissue or the fascia pectoral muscle, respectively. Twelve weeks later, patients are randomized to 1 of 2 treatment arms. - Arm I: Patients undergo whole breast irradiation (WBI) once daily, 5 days a week for 5 weeks. - Arm II: Patients undergo WBI as in arm I. Patients also undergo a radiation tumor bed boost once daily for 8 fractions (weekdays only) over 2 weeks. Quality of life will be assessed. After completion of study treatment, patients are followed up every 6 months for 5 years and then annually for 10 years. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00907868
Study type	Interventional
Source	Institut du Cancer de Montpellier - Val d'Aurelle
Contact
Status	Active, not recruiting
Phase	N/A
Start date	November 2008
Completion date	October 2029

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Breast-Conserving Surgery and Whole-Breast Radiation Therapy With or Without Additional Radiation Therapy to the Tumor in Treating Women With Ductal Carcinoma in Situ (BONBIS) — BONBIS

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms