Trial Outcomes & Findings for Abiraterone Acetate in Treating Patients With Metastatic Hormone-Resistant Prostate Cancer (NCT NCT01503229)

NCT ID: NCT01503229

Last Updated: 2021-05-14

Results Overview

Tissue testosterone will be measured in biopsy tissues

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

32 participants

Primary outcome timeframe

From baseline to week 4

Results posted on

2021-05-14

Participant Flow

Participant milestones

Participant milestones
Measure
Treatment (Abiraterone Acetate and Prednisone)
Patients receive abiraterone acetate daily and prednisone twice daily on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Abiraterone Acetate: Given orally Laboratory Biomarker Analysis: Correlative studies Pharmacological Study: Correlative studies Prednisone: Given orally
Overall Study
STARTED
30
Overall Study
COMPLETED
29
Overall Study
NOT COMPLETED
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Treatment (Abiraterone Acetate and Prednisone)
Patients receive abiraterone acetate daily and prednisone twice daily on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Abiraterone Acetate: Given orally Laboratory Biomarker Analysis: Correlative studies Pharmacological Study: Correlative studies Prednisone: Given orally
Overall Study
Withdrew consent
1

Baseline Characteristics

Abiraterone Acetate in Treating Patients With Metastatic Hormone-Resistant Prostate Cancer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Treatment (Abiraterone Acetate and Prednisone)
n=29 Participants
Patients receive abiraterone acetate daily and prednisone twice daily on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Abiraterone Acetate: Given orally Laboratory Biomarker Analysis: Correlative studies Pharmacological Study: Correlative studies Prednisone: Given orally
Age, Customized
Age of participants
71 years
n=39 Participants
Sex: Female, Male
Female
0 Participants
n=39 Participants
Sex: Female, Male
Male
29 Participants
n=39 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=39 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
27 Participants
n=39 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=39 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=39 Participants
Race (NIH/OMB)
Asian
0 Participants
n=39 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=39 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=39 Participants
Race (NIH/OMB)
White
25 Participants
n=39 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=39 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants
n=39 Participants
Region of Enrollment
United States
29 participants
n=39 Participants

PRIMARY outcome

Timeframe: From baseline to week 4

Tissue testosterone will be measured in biopsy tissues

Outcome measures

Outcome measures
Measure
Treatment (Abiraterone Acetate and Prednisone)
n=29 Participants
Patients receive abiraterone acetate daily and prednisone twice daily on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Abiraterone Acetate: Given orally Laboratory Biomarker Analysis: Correlative studies Pharmacological Study: Correlative studies Prednisone: Given orally
Change in Tissue Testosterone and Dihydrotestosterone
0.156 pg/mg
Interval 0.019 to 0.168

Adverse Events

Treatment (Abiraterone Acetate and Prednisone)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 29 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Bruce Montgomery

University of Washington

Phone: 206-598-0860

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place