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Spots Global Cancer Trial Database for An Observational Study of Continuous Oral Dosing of Abiraterone Acetate in Castration-Resistant Prostate Cancer Patients Evaluating Androgens and Steroid Metabolites in Bone Marrow Plasma

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Trial Identification

Brief Title: An Observational Study of Continuous Oral Dosing of Abiraterone Acetate in Castration-Resistant Prostate Cancer Patients Evaluating Androgens and Steroid Metabolites in Bone Marrow Plasma

Official Title: An Observational Study of Continuous Oral Dosing of an Irreversible CYP17 Inhibitor, Abiraterone Acetate (CB7630), in Castration-Resistant Prostate Cancer Patients Evaluating Androgens and Steroid Metabolites in Bone Marrow Plasma

Study ID: NCT00544440

Study Description

Brief Summary: The purpose of this study is to investigate the effect of abiraterone acetate on levels of androgens and steroid metabolites in bone marrow plasma of patients with metastatic castration-resistant prostate cancer (CRPC).

Detailed Description: This is a single-center, open-label (identity of assigned study drug will be known) study investigating the effect of abiraterone acetate on levels of testosterone and dihydrotestosterone (DHT) in bone marrow plasma of patients with metastatic CRPC and evaluating the difference in bone marrow androgen levels between patients with and without serum prostate specific antigen (PSA) decline. Approximately 60 medically or surgically castrated male patients with metastatic CRPC will be enrolled. The study will consist of screening, treatment, and follow-up periods. Patients will be treated orally (by mouth) with abiraterone acetate 1000 mg daily and prednisone 5 mg twice a day until clinical disease progression. Follow-up will continue until the patient dies, is lost to follow-up or withdraws informed consent. Bone marrow aspirates will be collected at Week 1 (predose), Week 9, and the final study visit. Safety will be monitored throughout the study.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: MALE

Healthy Volunteers: No

Locations

, Houston, Texas, United States

Contact Details

Name: Janssen Research & Development, LLC Clinical Trial

Affiliation: Janssen Research & Development, LLC

Role: STUDY_DIRECTOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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