Spots Global Cancer Trial Database for Randomized Study on Postmenopausal Women With Early Stage Breast Cancer: WBI Versus APBI

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Trial Identification

Brief Title: Randomized Study on Postmenopausal Women With Early Stage Breast Cancer: WBI Versus APBI

Official Title: Randomized Study on Postmenopausal Women With Early Stage Breast Cancer: Adjuvant Hypofractionated Whole Breast Irradiation (WBI) Versus Accelerated Partial Breast Irradiation (APBI)

Study ID: NCT02375048

Conditions

Cancer of Breast

Interventions

Hypofractionated WBI

Accelerated Partial Breast Irradiation

Study Description

Brief Summary: Selected patients with early stage breast cancer undergone conservative surgery were randomized in two arms: Hypofractionated Whole Breast Irradiation versus Accelerated Partial Breast Irradiation.

Detailed Description: Patients treated with Hypofractionated Whole Breast Irradiation (WBI) received SIB irradiation of the whole breast and surgical bed at two different dose levels. Dose prescription was 40.5 Gy to PTVWB and 48.0 Gy to PTVboost in 15 fractions over 3 weeks, with simultaneous integrated boost delivering 2.7 and 3.2Gy/fraction for each PTV respectively. Daily image guided radiotherapy (IGRT) were generated before each treatment session in each patient to verify the set-up. Accelerated Partial Breast Irradiation (APBI) using external intensity -modulated radiotherapy (VMAT RA) was delivered at a dose of 30 Gy in five 6-Gy/day fractions over 10 days (every other day) with IGRT at each treatment.