Neeraj Agarwal1, Anitha B Alex2, James M Farnham3, Shiven Patel2, David Gill2, Tyler H Buckley2, Robert A Stephenson4, Lisa Cannon-Albright3. 1. Division of Medical Oncology, Department of Internal Medicine, Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah. Electronic address: neeraj.agarwal@hci.utah.edu. 2. Division of Medical Oncology, Department of Internal Medicine, Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah. 3. Division of Genetic Epidemiology, University of Utah, Salt Lake City, Utah. 4. Division of Urology, University of Utah, Salt Lake City, Utah.
Abstract
PURPOSE: Germline variations in genes involved in androgen biosynthesis and metabolic pathways may predict the response to abiraterone acetate in men with metastatic, castration refractory prostate cancer. The variations may serve as prognostic and predictive biomarkers to allow for more individualized therapy. MATERIALS AND METHODS: We evaluated 832 single nucleotide polymorphisms from the OmniExpress genotyping platform (Illumina®) in the boundaries of 61 candidate genes reported to be involved in the androgen metabolic pathway. The purpose was to investigate them for an association with time to treatment failure in 68 white men with metastatic, castration refractory prostate cancer undergoing treatment with abiraterone acetate. Cox proportional hazard analysis was used with Gleason score, age, level of alkaline phosphatase and prostate specific antigen at treatment initiation as covariates. Each single nucleotide polymorphism was assessed using an allele carriage genetic model in which carriage of 1 or more minor alleles contributes to increased risk. Subset analyses were done to determine whether metastasis site, or prior treatment with ketoconazole or docetaxel would interact with the single nucleotide polymorphisms investigated. RESULTS: Six single nucleotide polymorphisms in the estrogen sulfotransferase gene SULT1E1 were associated with time to treatment failure on abiraterone acetate therapy after false discovery rate (q value) correction for multiple testing while controlling for Gleason score, age, level of alkaline phosphatase and prostate specific antigen at treatment initiation (q <0.05). CONCLUSIONS: Single nucleotide polymorphisms in SULT1E1 were significantly associated with time to treatment failure in men on abiraterone acetate therapy. The single nucleotide polymorphisms may serve as predictive markers for treatment with abiraterone acetate.
PURPOSE: Germline variations in genes involved in androgen biosynthesis and metabolic pathways may predict the response to abiraterone acetate in men with metastatic, castration refractory prostate cancer. The variations may serve as prognostic and predictive biomarkers to allow for more individualized therapy. MATERIALS AND METHODS: We evaluated 832 single nucleotide polymorphisms from the OmniExpress genotyping platform (Illumina®) in the boundaries of 61 candidate genes reported to be involved in the androgen metabolic pathway. The purpose was to investigate them for an association with time to treatment failure in 68 white men with metastatic, castration refractory prostate cancer undergoing treatment with abiraterone acetate. Cox proportional hazard analysis was used with Gleason score, age, level of alkaline phosphatase and prostate specific antigen at treatment initiation as covariates. Each single nucleotide polymorphism was assessed using an allele carriage genetic model in which carriage of 1 or more minor alleles contributes to increased risk. Subset analyses were done to determine whether metastasis site, or prior treatment with ketoconazole or docetaxel would interact with the single nucleotide polymorphisms investigated. RESULTS: Six single nucleotide polymorphisms in the estrogen sulfotransferase gene SULT1E1 were associated with time to treatment failure on abiraterone acetate therapy after false discovery rate (q value) correction for multiple testing while controlling for Gleason score, age, level of alkaline phosphatase and prostate specific antigen at treatment initiation (q <0.05). CONCLUSIONS: Single nucleotide polymorphisms in SULT1E1 were significantly associated with time to treatment failure in men on abiraterone acetate therapy. The single nucleotide polymorphisms may serve as predictive markers for treatment with abiraterone acetate.
Authors: Amal A El Daibani; Fatemah A Alherz; Maryam S Abunnaja; Ahsan F Bairam; Mohammed I Rasool; Katsuhisa Kurogi; Ming-Cheh Liu Journal: Eur J Drug Metab Pharmacokinet Date: 2021-01 Impact factor: 2.441
Authors: Katsuhisa Kurogi; Mohammed I Rasool; Fatemah A Alherz; Amal A El Daibani; Ahsan F Bairam; Maryam S Abunnaja; Shin Yasuda; Lauren J Wilson; Ying Hui; Ming-Cheh Liu Journal: Expert Opin Drug Metab Toxicol Date: 2021-06-30 Impact factor: 4.936
Authors: Moritz Binder; Ben Y Zhang; David W Hillman; Rhea Kohli; Tanvi Kohli; Adam Lee; Manish Kohli Journal: Int J Mol Sci Date: 2016-07-09 Impact factor: 5.923