Safety Study of Continued Enzalutamide Treatment In Prostate Cancer Patients
Public ClinicalTrials.gov record NCT01995513. 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
A PHASE 4, RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED STUDY OF CONTINUED ENZALUTAMIDE TREATMENT BEYOND PROGRESSION IN PATIENTS WITH CHEMOTHERAPY-NAÏVE METASTATIC CASTRATION-RESISTANT PROSTATE CANCER
Study identification
- NCT ID
- NCT01995513
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- Pfizer
- Industry
- Enrollment
- 509 participants
Conditions and interventions
Conditions
Interventions
- Abiraterone Drug
- Enzalutamide Drug
- Placebo for Enzalutamide Drug
- Prednisone 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
- Oct 21, 2013
- Primary completion
- Nov 14, 2016
- Completion
- Aug 30, 2022
- Last update posted
- Sep 17, 2023
2013 – 2022
United States locations
- U.S. sites
- 6
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02115 | — |
| Brigham & Women's Hospital | Boston | Massachusetts | 02115 | — |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02215 | — |
| Dana Farber Cancer Institute | Boston | Massachusetts | 02215 | — |
| eResearch Technology | Philadelphia | Pennsylvania | 19103 | — |
| Urology of Virginia, PLLC | Virginia Beach | Virginia | 23462 | — |
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 89 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01995513, 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 Sep 17, 2023 · Synced May 16, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01995513 live on ClinicalTrials.gov.