Efficacy and Safety Study of Enzalutamide in Combination With Exemestane in Patients With Advanced Breast Cancer

NCT ID: NCT02007512

Last Updated: 2025-09-02

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

247 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-12-16

Study Completion Date

2024-08-23

Brief Summary

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The purpose of this study is to determine if enzalutamide given in combination with exemestane is safe and effective in patients with advanced breast cancer.

Detailed Description

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This is a Phase 2, Randomized, Double-Blind, Placebo-Controlled, Multicenter Study of Efficacy and Safety of Enzalutamide in Combination With Exemestane in Patients With Advanced Breast Cancer That Is Estrogen or Progesterone Receptor Positive and HER2-Normal.

Conditions

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Breast Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Enzalutamide & exemestane

Enzalutamide 160 mg/day administered as four 40mg soft gelatin capsules by mouth once daily with or without food and exemestane 50mg (two 25mg tablets overencapsulated as a single capsule during the blinded portion of the study and two 25mg tablets after unblinding) once daily after food.

Group Type EXPERIMENTAL

Enzalutamide

Intervention Type DRUG

160 mg/day administered as four 40mg soft gelatin capsules by mouth once daily with or without food.

exemestane

Intervention Type DRUG

50mg (two 25mg tablets overencapsulated as a single capsule during the blinded portion of the study and two 25mg tablets after unblinding) by mouth once daily after food.

Placebo & exemestane

Placebo and exemestane 25mg (overencapsulated to match 50mg dose during the blinded portion of the study and one 25mg tablet without placebo after unblinding) once daily after food.

Group Type ACTIVE_COMPARATOR

exemestane

Intervention Type DRUG

25mg (overencapsulated to match 50mg dose during the blinded portion of the study and one 25mg tablet after unblinding) by mouth once daily after food.

Placebo (for enzalutamide)

Intervention Type DRUG

Sugar pill manufactured to mimic enzalutamide administered as four soft gelatin capsules by mouth once daily with or without food.

Interventions

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Enzalutamide

160 mg/day administered as four 40mg soft gelatin capsules by mouth once daily with or without food.

Intervention Type DRUG

exemestane

25mg (overencapsulated to match 50mg dose during the blinded portion of the study and one 25mg tablet after unblinding) by mouth once daily after food.

Intervention Type DRUG

Placebo (for enzalutamide)

Sugar pill manufactured to mimic enzalutamide administered as four soft gelatin capsules by mouth once daily with or without food.

Intervention Type DRUG

exemestane

50mg (two 25mg tablets overencapsulated as a single capsule during the blinded portion of the study and two 25mg tablets after unblinding) by mouth once daily after food.

Intervention Type DRUG

Other Intervention Names

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MDV3100 XTANDI Aromasin Aromasin

Eligibility Criteria

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Inclusion Criteria

* Willing and able to provide informed consent;
* Postmenopausal;
* Advanced histologically confirmed breast cancer that is ER+, PgR+, or both, and HER-2 normal;
* Up to one prior hormone therapy and up to one prior chemotherapy in the advanced setting is allowed;
* Availability of a representative, formalin-fixed, paraffin-embedded tumor specimen that enabled the diagnosis of breast cancer with viable tumor cells in a tissue block or unstained serial slides accompanied bay an associated pathology report;
* Measurable disease. Patients with non-measurable bone or skin disease as their only manifestation of advanced breast cancer are also eligible;
* Eastern Cooperative Oncology Group (ECOG) status of 0 or 1;

Exclusion Criteria

* Any severe concurrent disease, infection, or comorbid condition that renders the patient inappropriate for enrollment in the opinion of the investigator;
* Any condition or reason that interferes with the patient's ability to participate in the trial, that may cause undue risk, or complicates the interpretation of safety data, in the opinion of the investigator;
* Current or previously treated brain metastasis or leptomeningeal disease;
* Prior therapy (\> 28 days) with exemestane in the metastatic setting (Patients receiving exemestane in the adjuvant setting and having disease recurrence more than 1 year after treatment discontinuation are eligible);
* Requires treatment for tuberculosis or HIV infection;
* Radiation therapy within 7 days before randomization;
* History of another invasive cancer within 5 years before randomization;
* History of seizure or any condition that may predispose to seizure;
* Clinically significant cardiovascular disease;
* Active gastrointestinal disorder;
* Major surgery within 28 days prior to randomization;
* Treatment with any oral anticancer or with any non-hormonal anticancer agent within 14 days before randomization;
* Treatment with any approved or investigational agent that blocks androgen synthesis or targets the androgen receptor;
* Treatments with any of the following medications within 14 days before randomization: Estrogens, Androgens, or Systemic radionuclides;
* Hypersensitivity reaction to exemestane.
Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Astellas Pharma Inc

INDUSTRY

Sponsor Role collaborator

Medivation, Inc.

INDUSTRY

Sponsor Role collaborator

Pfizer

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Pfizer CT.gov Call Center

Role: STUDY_DIRECTOR

Pfizer

Locations

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ATTN-Research Pharmacist

Aurora, Colorado, United States

Site Status

University of Colorado Cancer Center - Anschutz Cancer Pavilion

Aurora, Colorado, United States

Site Status

University of Colorado Hospital, Anschutz Outpatient Pavilion

Aurora, Colorado, United States

Site Status

Rocky Mountain Cancer Centers

Colorado Springs, Colorado, United States

Site Status

Rocky Mountain Cancer Centers

Lakewood, Colorado, United States

Site Status

Rocky Mountain Cancer Centers

Lone Tree, Colorado, United States

Site Status

Florida Cancer Specialists

Altamonte Springs, Florida, United States

Site Status

Florida Cancer Specialists

Bonita Springs, Florida, United States

Site Status

Florida Cancer Specialists

Bradenton, Florida, United States

Site Status

Florida Cancer Specialists

Brandon, Florida, United States

Site Status

Florida Cancer Specialists

Cape Coral, Florida, United States

Site Status

Florida Cancer Specialists

Clearwater, Florida, United States

Site Status

Florida Cancer Specialists

Englewood, Florida, United States

Site Status

Florida Cancer Specialists

Fort Myers, Florida, United States

Site Status

Florida Cancer Specialists

Fort Myers, Florida, United States

Site Status

Florida Cancer Specialists

Fort Myers, Florida, United States

Site Status

Florida Cancer Specialists

Gainesville, Florida, United States

Site Status

Florida Cancer Specialists

Hudson, Florida, United States

Site Status

Florida Cancer Specialists

Largo, Florida, United States

Site Status

Florida Cancer Specialists

Naples, Florida, United States

Site Status

Florida Cancer Specialists

New Port Richey, Florida, United States

Site Status

Florida Cancer Specialists

Orange City, Florida, United States

Site Status

Florida Cancer Specialists

Orlando, Florida, United States

Site Status

Florida Cancer Specialists

Port Charlotte, Florida, United States

Site Status

Florida Cancer Specialists

Sarasota, Florida, United States

Site Status

Florida Cancer Specialists

Sarasota, Florida, United States

Site Status

Florida Cancer Specialists

Spring Hill, Florida, United States

Site Status

Florida Cancer Specialists

St. Petersburg, Florida, United States

Site Status

Florida Cancer Specialists

Tampa, Florida, United States

Site Status

Florida Cancer Specialists

Tavares, Florida, United States

Site Status

Florida Cancer Specialists

Venice, Florida, United States

Site Status

Florida Cancer Specialists

Venice, Florida, United States

Site Status

Northwestern Medical Faculty Foundation

Chicago, Illinois, United States

Site Status

Northwestern Memorial Hospital

Chicago, Illinois, United States

Site Status

The University of Chicago Medical Center,

Chicago, Illinois, United States

Site Status

The University of Chicago

Chicago, Illinois, United States

Site Status

University of Chicago Comprehensive Cancer Center at Silver Cross Hospital

New Lenox, Illinois, United States

Site Status

Indiana University Health Hospital

Indianapolis, Indiana, United States

Site Status

Indiana University Health Melvin and Bren Simon Cancer Center

Indianapolis, Indiana, United States

Site Status

Investigational Drug Services

Indianapolis, Indiana, United States

Site Status

Sidney and Lois Eskenazi Hospital

Indianapolis, Indiana, United States

Site Status

Springmill Medical Clinic

Indianapolis, Indiana, United States

Site Status

Brigham and Women's Hospital

Boston, Massachusetts, United States

Site Status

Dana-Farber Cancer Institute

Boston, Massachusetts, United States

Site Status

Minnesota Oncology Hematology, P.A

Minneapolis, Minnesota, United States

Site Status

Abbott Northwestern Hospital

Minneapolis, Minnesota, United States

Site Status

Allina Health System DBA Virginia Piper Cancer Institute

Minneapolis, Minnesota, United States

Site Status

Dr.Michaela Tsai

Minneapolis, Minnesota, United States

Site Status

The West Clinic, P.C.

Corinth, Mississippi, United States

Site Status

The West Clinic, P.C. d/b/a West Cancer Center

Southaven, Mississippi, United States

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Siteman Cancer Center

City of Saint Peters, Missouri, United States

Site Status

Barnes-Jewish Hospital

St Louis, Missouri, United States

Site Status

Washington University Infusion Center Pharmacy

St Louis, Missouri, United States

Site Status

Washington University School of Medicine

St Louis, Missouri, United States

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Siteman Cancer Center-South County

St Louis, Missouri, United States

Site Status

Siteman Cancer Center- West County

St Louis, Missouri, United States

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Hematology Oncology Associates of Northern NJ

Morristown, New Jersey, United States

Site Status

Memorial Sloan Kettering Cancer Center

New York, New York, United States

Site Status

Oncology Hematology Care, Inc.

Cincinnati, Ohio, United States

Site Status

Oncology Hematology Care, Inc.

Cincinnati, Ohio, United States

Site Status

Oncology Hematology Care, Inc.

Cincinnati, Ohio, United States

Site Status

Oncology Hematology Care, Inc.

Cincinnati, Ohio, United States

Site Status

Oncology Hematology Care, Inc.

Cincinnati, Ohio, United States

Site Status

Oncology Hematology Care, Inc.

Fairfield, Ohio, United States

Site Status

Greenville Health System

Greenville, South Carolina, United States

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Greenville Health System

Seneca, South Carolina, United States

Site Status

Greenville Health System

Spartanburg, South Carolina, United States

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Tennessee Oncology, PLLC

Franklin, Tennessee, United States

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Tennessee Oncology, PLLC

Gallatin, Tennessee, United States

Site Status

The West Clinic, P.C. d/b/a West Cancer Center

Germantown, Tennessee, United States

Site Status

Tennessee Oncology, PLLC

Hermitage, Tennessee, United States

Site Status

Tennessee Oncology, PLLC

Lebanon, Tennessee, United States

Site Status

The West Clinic, P.C. d/b/a West Cancer Center

Memphis, Tennessee, United States

Site Status

Tennessee Oncology, PLLC

Murfreesboro, Tennessee, United States

Site Status

Tennessee Oncology, PLLC

Nashville, Tennessee, United States

Site Status

The Sarah Cannon Research Institute

Nashville, Tennessee, United States

Site Status

Vanderbilt Breast Center at One Hundred Oaks

Nashville, Tennessee, United States

Site Status

Vanderbilt Health Pharmacy One Hundred Oaks

Nashville, Tennessee, United States

Site Status

Tennessee Oncology, PLLC

Nashville, Tennessee, United States

Site Status

Tennessee Oncology, PLLC

Nashville, Tennessee, United States

Site Status

Henry-Joyce Cancer Clinic

Nashville, Tennessee, United States

Site Status

Tennessee Oncology, PLLC

Shelbyville, Tennessee, United States

Site Status

Tennessee Oncology, PLLC

Smyrna, Tennessee, United States

Site Status

Texas Oncology - Memorial City

Houston, Texas, United States

Site Status

Texas Oncology-Longview Cancer Center

Longview, Texas, United States

Site Status

Texas Oncology - Tyler

Tyler, Texas, United States

Site Status

Virginia Cancer Institute

Mechanicsville, Virginia, United States

Site Status

Virginia Cancer Institute

Richmond, Virginia, United States

Site Status

Virginia Cancer Institute

Richmond, Virginia, United States

Site Status

UZA

Edegem, Antwerpen, Belgium

Site Status

GZA

Wilrijk, Antwerpen, Belgium

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Institut Jules Bordet

Brussels, , Belgium

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Sunnybrook Research Institute

Toronto, Ontario, Canada

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McGill University Health Center- Cedars Cancer Center

Montreal, Quebec, Canada

Site Status

McGill University Health Centre - Cedars Cancer Centre

Montreal, Quebec, Canada

Site Status

Pharmacy Department

Dublin, , Ireland

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Radiology Department

Dublin, , Ireland

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St Vincent's University Hospital

Dublin, , Ireland

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Institute for Cancer Research

Dublin, , Ireland

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Mater Private Hospital

Dublin, , Ireland

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Pharmacy Department

Dublin, , Ireland

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Radiology Department

Dublin, , Ireland

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Cancer Clinical Trials Unit

Dublin, , Ireland

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Pharmacy Department

Dublin, , Ireland

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Radiology Department

Dublin, , Ireland

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Institute for Cancer Research

Dublin, , Ireland

Site Status

Mater Private Hospital

Dublin, , Ireland

Site Status

Pharmacy Department

Dublin, , Ireland

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Radiology Department

Dublin, , Ireland

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IRCCS Ospedale San Raffaele

Milan, MI, Italy

Site Status

Divisione di Senologia Medica; Istituto Europeo di Oncologia

Milan, MI, Italy

Site Status

A.O.di Perugia S. Maria Della Misericoridia

Perugia, PG, Italy

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Azienda Ospedaliera S.Orsola Malpighi

Bologna, , Italy

Site Status

U.O. Farmaceutica, Nuovo Ospedale di Prato

Prato, , Italy

Site Status

U.O. Oncologia Medica, Nuovo Ospedale di Prato

Prato, , Italy

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Dipartimento di Oncologia Medica, Istituto Nazionale Tumori Regina Elena

Roma, , Italy

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Hospital Universitario HM Monteprincipe

Boadilla del Monte, Madrid, Spain

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Grupo Hospitalario Quiron - Hospital Universitari Quiron Dexeus

Barcelona, , Spain

Site Status

Hospital Universitari Vall d'Hebron

Barcelona, , Spain

Site Status

Hospital Universitario Ramon Y Cajal

Madrid, , Spain

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Hospital Universitario 12 Octubre

Madrid, , Spain

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Centro Integral Oncologico Clara Campal

Madrid, , Spain

Site Status

Hospital de Madrid Norte Sanchinarro

Madrid, , Spain

Site Status

Brighton and Sussex University Hospital NHS Trust

Brighton, England, United Kingdom

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Pharmacy Department

Brighton, England, United Kingdom

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Radiation Safety Service, Medical Physics Department

Brighton, England, United Kingdom

Site Status

Histopathology Department

Nottingham, England, United Kingdom

Site Status

Nottingham University Hospital

Nottingham, England, United Kingdom

Site Status

Pharmacy Department

Nottingham, England, United Kingdom

Site Status

Radiology Department

Nottingham, England, United Kingdom

Site Status

Radiology Department

Nottingham, England, United Kingdom

Site Status

Department of Radiology

Truro, England, United Kingdom

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Pharmacy Department

Truro, England, United Kingdom

Site Status

Royal Cornwall Hospitals NHS trust

Truro, England, United Kingdom

Site Status

Clinical Investigation & Research Unit

Brighton, Sussex, United Kingdom

Site Status

Countries

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United States Belgium Canada Ireland Italy Spain United Kingdom

Other Identifiers

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2013-002717-35

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

C3431008

Identifier Type: OTHER

Identifier Source: secondary_id

MDV3100-12

Identifier Type: -

Identifier Source: org_study_id

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