Metronomic therapy in metastatic castrate-resistant prostate cancer: Experience from a tertiary cancer care center

Indian Journal of Cancer
Deepak DabkaraJoydeep Ghosh

Abstract

Many agents have shown survival advantage in metastatic castrate-resistant prostate cancer (mCRPC). Despite this improvement, survival is poor, especially in subgroup of elderly patients who are not fit for cytotoxic chemotherapy. This is a single-institutional data review of mCRPC treated between December 2012 and May 2016 with oral cyclophosphamide (50-100 mg/day) ± oral prednisolone. mCRPCs failed or not fit for docetaxel and/or abiraterone were included in this study. Monthly prostate-specific antigen (PSA) was monitored, and toxicity of cyclophosphamide was recorded. PSA response was defined as ≥50% reduction from precyclophosphamide value. The median follow-up was calculated from the day of starting cyclophosphamide and the last date of follow-up or death, whichever is later. Eighteen patients were included with a median age of 74.5 years (range: 59-83). The site of metastasis was bone in 15, bone and distant lymph nodes in 2, and rectum in 1 patient. The median duration of androgen deprivation was 21 months (range: 3-42.9 months). The median cyclophosphamide exposure was 2 months (range: 0.9-13.5 months) after a median follow-up of 5.8 months. Overall PSA response rate was 44%. The median PSA progression-free survival wi...Continue Reading

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Citations

Sep 21, 2019·Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology·Vijay M PatilKumar Prabhash
Dec 1, 2020·Critical Reviews in Oncology/hematology·Palma FedeleSaverio Cinieri
Mar 25, 2021·The New England Journal of Medicine·Maha HussainJohann de Bono

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