1. A prospective trial of abiraterone acetate plus prednisone in Black and White men with metastatic castrate‐resistant prostate cancer
- Author
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Devika Das, Terry Hyslop, Steven R. Patierno, Guru Sonpavde, Bonnie LaCroix, Tian Zhang, Brendon M. Patierno, Julia Rasmussen, Andrew J. Armstrong, A. Oliver Sartor, Patrick Healy, Kouros Owzar, James D. Bearden, Jennifer A. Freedman, Michael Moses Goodman, Kellie Shobe, Matthew I. Milowsky, Mark D. Fleming, Megan Ann McNamara, Michael R. Harrison, Julie Kephart, William R. Berry, Rhonda Wilder, Monika Anand, Carol Winters, Rick A. Kittles, Rhonda L. Bitting, Dadong Zhang, Colleen Riggan, Daniel J. George, Alexander B. Sibley, Elisabeth I. Heath, and Susan Halabi
- Subjects
Male ,Cancer Research ,medicine.medical_specialty ,medicine.medical_treatment ,Abiraterone Acetate ,Disease-Free Survival ,Article ,law.invention ,03 medical and health sciences ,Prostate cancer ,chemistry.chemical_compound ,0302 clinical medicine ,Randomized controlled trial ,law ,Prednisone ,Internal medicine ,Antineoplastic Combined Chemotherapy Protocols ,Humans ,Medicine ,Prospective Studies ,030212 general & internal medicine ,Prospective cohort study ,Retrospective Studies ,business.industry ,Abiraterone acetate ,Prostate-Specific Antigen ,medicine.disease ,Comorbidity ,Hypokalemia ,Prostatic Neoplasms, Castration-Resistant ,Treatment Outcome ,Oncology ,chemistry ,030220 oncology & carcinogenesis ,Hormone therapy ,medicine.symptom ,business ,medicine.drug - Abstract
BACKGROUND: Retrospective analyses of randomized trials suggest that Black men with metastatic castration-resistant prostate cancer (mCRPC) have longer survival than White men. The authors conducted a prospective study of abiraterone acetate plus prednisone to explore outcomes by race. METHODS: This race-stratified, multicenter study estimated radiographic progression-free survival (rPFS) in Black and White men with mCRPC. Secondary end points included prostate-specific antigen (PSA) kinetics, overall survival (OS), and safety. Exploratory analysis included genome-wide genotyping to identify single nucleotide polymorphisms associated with progression in a model incorporating genetic ancestry. One hundred patients self-identified as White (n = 50) or Black (n = 50) were enrolled. Eligibility criteria were modified to facilitate the enrollment of individual Black patients. RESULTS: The median rPFS for Black and White patients was 16.6 and 16.8 months, respectively; their times to PSA progression (TTP) were 16.6 and 11.5 months, respectively; and their OS was 35.9 and 35.7 months, respectively. Estimated rates of PSA decline by ≥50% in Black and White patients were 74% and 66%, respectively; and PSA declines to
- Published
- 2021
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