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Completed Phase 2 Interventional Results available

A Study of Abiraterone Acetate Plus Prednisone With or Without Exemestane in Postmenopausal Women With Estrogen Receptor-Positive (ER+) Metastatic Breast Cancer Progressing After Letrozole or Anastrozole Therapy

ClinicalTrials.gov ID: NCT01381874

Public ClinicalTrials.gov record NCT01381874. 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.

ClinicalTrials.gov public records Last synced May 7, 2026, 1:18 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Randomized, Open-Label Study of Abiraterone Acetate (JNJ-212082) Plus Prednisone With or Without Exemestane in Postmenopausal Women With ER+ Metastatic Breast Cancer Progressing After Letrozole or Anastrozole Therapy

Study identification

NCT ID
NCT01381874
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Janssen Research & Development, LLC
Industry
Enrollment
297 participants

Conditions and interventions

Interventions

  • Abiraterone acetate + Prednisone or Prednisolone Drug
  • Abiraterone acetate + Prednisone/ Prednisolone + Exemestane Drug
  • Exemestane Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
Female
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
Aug 23, 2011
Primary completion
Jul 27, 2014
Completion
Aug 7, 2018
Last update posted
Apr 10, 2019

2011 – 2018

United States locations

U.S. sites
24
U.S. states
15
U.S. cities
24
Facility City State ZIP Site status
Not listed Muscle Shoals Alabama
Not listed Fresno California
Not listed Los Angeles California
Not listed Monterey California
Not listed Chicago Illinois
Not listed Waterville Maine
Not listed Boston Massachusetts
Not listed Ann Arbor Michigan
Not listed Henderson Nevada
Not listed East Syracuse New York
Not listed Johnson City New York
Not listed New York New York
Not listed Durham North Carolina
Not listed Fargo North Dakota
Not listed Cleveland Ohio
Not listed Columbus Ohio
Not listed Kettering Ohio
Not listed Portland Oregon
Not listed Sioux Falls South Dakota
Not listed Dallas Texas
Not listed El Paso Texas
Not listed Houston Texas
Not listed Tyler Texas
Not listed Seattle Washington

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 57 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01381874, 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 10, 2019 · Synced May 7, 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 NCT01381874 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →