A Drug-Drug Interaction Study of Abiraterone Acetate Plus Prednisone With Dextromethorphan and Theophylline in Patients With Metastatic Castration-Resistant Prostate Cancer
Public ClinicalTrials.gov record NCT01017939. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An Abiraterone Acetate Plus Prednisone Drug-Drug Interaction Study With Dextromethorphan and Theophylline in Patients With Metastatic Castration-Resistant Prostate Cancer
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to evaluate the effects of multiple doses of abiraterone acetate plus prednisone on the pharmacokinetics (study of what the body does to a drug) of single doses of dextromethorphan hydrobromide and theophylline in patients with castration resistant prostate cancer.
Study identification
- NCT ID
- NCT01017939
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Enrollment
- 34 participants
Conditions and interventions
Conditions
Interventions
- Abiraterone acetate Drug
- Prednisone Drug
- Dextromethorphan hydrobromide Drug
- Theophylline Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Male
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 31, 2009
- Primary completion
- May 31, 2010
- Completion
- Mar 31, 2012
- Last update posted
- Apr 11, 2013
2010 – 2012
United States locations
- U.S. sites
- 4
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Tower Cancer Research Foundation | Beverly Hills | California | 90211 | — |
| Not listed | Beverly Hills | California | — | — |
| START - South Texas Accelerated Research Therapeutics, LLC | San Antonio | Texas | 78229 | — |
| Not listed | San Antonio | Texas | — | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01017939, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 11, 2013 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01017939 live on ClinicalTrials.gov.