Spots Global Cancer Trial Database for Apalutamide and Leuprolide in Intermediate and High-risk Prostate Cancer

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Trial Identification

Brief Title: Apalutamide and Leuprolide in Intermediate and High-risk Prostate Cancer

Official Title: The Association Between HSD3B1 Genotype and Steroid Metabolism in Normal and Prostate Cancer Tissue of Men With Intermediate and High-risk Prostate Cancer Undergoing Radical Prostatectomy After Treatment With Apalutamide and Leuprolide

Study ID: NCT02770391

Conditions

Prostate Cancer

Interventions

Leuprolide acetate

Apalutamide

Radical prostatectomy

Study Description

Brief Summary: This is a research study to test an investigational drug (Not FDA approved), Apalutamide given in combination with Leuprolide acetate (FDA approved) in men diagnosed with high-risk prostate cancer who have already selected to have surgery to remove their prostate gland as part of their treatment plan. The main purpose of this study is to determine how tumors make androgens (male hormones), which makes these tumors more aggressive and resistant to hormonal therapy and how a short period of treatment with Apalutamide and leuprolide acetate prior to surgery can affect the production of these hormones in normal and malignant prostate tissue.

Detailed Description: Primary Objective: To evaluate the differential effect of neo-adjuvant leuprolide and Apalutamide on dihydrotestosterone (DHT) concentration in benign prostate tissue based on HSD3B1 genotype. Secondary Objective(s): To evaluate the differential effect of neoadjuvant leuprolide and Apalutamide on other androgen (testosterone (T), dehydroepiandrosterone (DHEA), androstenediol, 5α-androstanedione (5α-dione), androstenedione (AD), androsterone and 5α-androstanediol) concentrations in benign and malignant prostate tissue based on HSD3B1 genotype. To compare the level of DHT, T, DHEA, androstenediol, 5α-dione, AD, androsterone and 5α-androstanediol between normal and malignant prostate tissue after neoadjuvant treatment with leuprolide and Apalutamide To determine the safety of the combination of Leuprolide and Apalutamide administered prior to radical prostatectomy To evaluate prostatic specific antigen (PSA), FKBP5, TMPRSS2, EZH2, H3K27 and UBE2C tissue expression (via immunohistochemistry (IHC) and quantitative polymerase chain reaction (qPCR)) in benign and malignant prostate tissue after treatment with Leuprolide and Apalutamide.