期刊
CANCER
卷 121, 期 15, 页码 2603-2611出版社
WILEY
DOI: 10.1002/cncr.29398
关键词
androgen deprivation therapy; bevacizumab; biochemical disease recurrence; docetaxel; prostate cancer
类别
资金
- Genentech
- NATIONAL CANCER INSTITUTE [T32CA009172] Funding Source: NIH RePORTER
BACKGROUNDPatients with biochemical disease recurrence (BCR) after definitive treatment for prostate cancer comprise a heterogeneous population for whom standard therapy options are lacking. The purpose of the current trial was to evaluate the feasibility, toxicity, and efficacy of early multimodality systemic therapy in men with BCR. METHODSEligible patients had an increasing prostate-specific antigen (PSA) level, a PSA doubling time 10 months, and no evidence of metastases after radical prostatectomy (RP) and/or radiotherapy (RT) for localized disease. Treatment consisted of docetaxel at a dose of 75 mg/m(2) every 3 weeks for 4 cycles, bevacizumab at a dose of 15 mg/kg every 3 weeks for 8 cycles, and androgen deprivation therapy (ADT) for 18 months. The primary endpoint was the percentage of patients who were free from PSA progression 1 year after the completion of therapy. RESULTSA total of 41 patients were included in the analysis. At 1 year after the completion of ADT, 45% of patients (13 of 29 patients) and 29% of patients (5 of 17 patients) with a testosterone level 100 ng/dL and 240 ng/dL, respectively, had a PSA <0.2 ng/mL. The median follow-up was 27.5 months (interquartile range, 21.8-38.1 months). Eight patients (20%) were free from PSA progression, 19 patients (46%) did not reinitiate ADT, and 34 patients (83%) were free from metastasis. Sixteen patients (39%) experienced grade 3 and 5 patients (12%) experienced grade 4 toxicities (toxicity was assessed using the National Cancer Institute Common Terminology Criteria for Adverse Events [version 3.0]). CONCLUSIONSMultimodality systemic therapy with docetaxel, bevacizumab, and ADT is feasible and produces PSA responses in men with BCR. Long-term follow-up is needed to determine the percentage of patients with a durable PSA response who are able to avoid having to reinitiate prostate cancer therapy. Cancer 2015;121:2603-2611. (c) 2015 American Cancer Society. We demonstrate that multimodality systemic therapy with docetaxel, bevacizumab, and ADT produces favorable PSA responses in men with BCR following definitive PC therapy. At a median follow up of 27.5 months, 46% of patients have not reinitiated ADT and 92% have a testosterone = 100 ng/dL.
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