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Brief Title: Bevacizumab Plus Paclitaxel Optimization Study With Interventional Aintenance Endocrine Therapy in Breast Cancer
Official Title: Bevacizumab Plus Paclitaxel Optimization Study With Interventional Maintenance Endocrine Therapy in Advanced or Metastatic ER-positive HER2-negative Breast Cancer -BOOSTER Trial, a Multicenter Randomized Phase II Study-
Study ID: NCT01989780
Brief Summary: To compare continuing bevacizumab + paclitaxel or switching to bevacizumab + endocrine maintenance therapy followed by bevacizumab + paclitaxel, after 1st line induction therapy with bevacizumab + paclitaxel in ER+HER2- advanced or metastatic breast cancer.
Detailed Description: This multicenter, randomized Phase II study of patients with advanced or metastatic estrogen receptor-positive human epidermal receptor type 2-negative breast cancer aims to compare two treatment strategies following induction therapy with 4-6 cycles of the combined use of weekly paclitaxel (wPTX) and bevacizumab (BV). In arm A, wPTX+BV is continued, while in arm B, wPTX is switched to maintenance endocrine therapy (hormone+BV) until disease progression, followed by wPTX+BV re-induction. The primary endpoint is time to failure of strategy, which is the time from randomization to a qualifying event (addition of a new agent not in the primary regimen, progressive disease during or after planned therapy, or death).
Minimum Age: 20 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: FEMALE
Healthy Volunteers: No
Japan Breast Cancer Research Group, Chuo-ku, Nihonbashi, Koami-cho, Tokyo, Japan
Name: Masakazu Toi, MD, PhD
Affiliation: Kyoto University, Graduate School of Medicine
Role: PRINCIPAL_INVESTIGATOR
Name: Shigehira Saji, MD, PhD
Affiliation: Fukushima Medical University
Role: PRINCIPAL_INVESTIGATOR