NCT02257736

Brief Summary

The purpose of this study is to compare the radiographic progression-free survival (rPFS) of apalutamide in combination with abiraterone acetate (AA) plus prednisone or prednisolone (AAP) and AAP in participants with chemotherapy-naive (participants who did not receive any chemotherapy \[treatment of cancer using drugs\]) metastatic castration-resistant prostate cancer (mCRPC) (cancer of prostate gland \[gland that makes fluid that aids movement of sperm\]).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Strong global presence with extensive site network
Enrollment
982

participants targeted

Target at P75+ for phase_3

Timeline
20mo left

Started Nov 2014

Longer than P75 for phase_3

Geographic Reach
16 countries

173 active sites

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress87%
Nov 2014Dec 2027

First Submitted

Initial submission to the registry

October 2, 2014

Completed
4 days until next milestone

First Posted

Study publicly available on registry

October 6, 2014

Completed
2 months until next milestone

Study Start

First participant enrolled

November 26, 2014

Completed
3.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 19, 2018

Completed
3.4 years until next milestone

Results Posted

Study results publicly available

August 16, 2021

Completed
6.4 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2027

Expected
Last Updated

April 13, 2026

Status Verified

April 1, 2026

Enrollment Period

3.3 years

First QC Date

October 2, 2014

Results QC Date

July 21, 2021

Last Update Submit

April 9, 2026

Conditions

Keywords

Prostatic neoplasmsJN56021927ZYTIGAPrednisoneAbiraterone acetateApalutamide

Outcome Measures

Primary Outcomes (1)

  • Radiographic Progression-free Survival (rPFS)

    The rPFS was defined as the time from randomization to the occurrence of one of the following: 1) a participant was considered to have progressed by bone scan if - a) the first bone scan with greater than or equal to (\>=) 2 new lesions compared to baseline was observed in less than (\<) 12 weeks from randomization and was confirmed by a second bone scan taken \>=6 weeks later showing \>=2 additional new lesions (a total of \>=4 new lesions compared to baseline), b) the first bone scan with \>=2 new lesions compared to baseline was observed in \>=12 weeks from randomization and the new lesions were verified on the next bone scan \>=6 weeks later (a total of \>=2 new lesions compared to baseline); 2) progression of soft tissue lesions measured by computerized tomography (CT) or magnetic resonance imaging (MRI) as per Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1.

    Up to 3 years and 4 months

Secondary Outcomes (4)

  • Overall Survival (OS)

    Up to 5 years and 10 months

  • Time to Chronic Opioid Use

    Up to 5 years and 10 months

  • Time to Initiation of Cytotoxic Chemotherapy

    Up to 5 years and 10 months

  • Time to Pain Progression

    Up to 5 years and 10 months

Study Arms (2)

Group 1: AAP and apalutamide

EXPERIMENTAL

Participants will receive apalutamide 240 milligram (mg) (4\*60 mg tablets) and abiraterone acetate (AA) 1000 mg (4\*250 mg tablets) once daily on an empty stomach and 5 mg prednisone (P), AAP, twice daily, until disease progression, unacceptable toxicity or end of treatment, whichever occurs first. After unblinding participants will be offered further treatment as defined in the Open-Label Extension (OLE) or Long-Term Extension (LTE) phase (AAP + open label apalutamide or AAP alone).

Drug: ApalutamideDrug: Abiraterone acetateDrug: Prednisone

Group 2: AAP and Placebo

PLACEBO COMPARATOR

Participants will receive matching Placebo of apalutamide and abiraterone acetate (AA) 1000 mg (4\*250 mg tablets) once daily on an empty stomach and 5 mg prednisone (P), AAP, twice daily until disease progression, unacceptable toxicity or end of treatment, whichever occurs first. After unblinding participants will be offered further treatment as defined in the OLE or LTE phase (AAP + open label apalutamide or AAP alone).

Drug: Abiraterone acetateDrug: PrednisoneDrug: Placebo

Interventions

Participants will receive 240 mg (4\*60 mg tablets) of apalutamide once daily orally.

Group 1: AAP and apalutamide

Participants will receive 1000 mg (4\*250 mg tablets) of abiraterone acetate (AA) once daily orally.

Also known as: ZYTIGA
Group 1: AAP and apalutamideGroup 2: AAP and Placebo

Participants will receive 5 mg tablet of prednisone twice daily orally.

Group 1: AAP and apalutamideGroup 2: AAP and Placebo

Participants will receive matching placebo to apalutamide once daily orally.

Group 2: AAP and Placebo

Eligibility Criteria

Age18 Years+
Sexmale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adenocarcinoma of the prostate
  • Metastatic disease as documented by technetium-99m (99mTc) bone scan or metastatic lesions by computed tomography (CT) or magnetic resonance imaging (MRI) scans (visceral or lymph node disease). If lymph node metastasis is the only evidence of metastasis, it must be greater than or equal to (\>=) 2 centimeter (cm) in the longest diameter
  • Castration-resistant prostate cancer demonstrated during continuous androgen deprivation therapy (ADT), defined as 3 rises of PSA, at least 1 week apart with the last androgen deprivation therapy (PSA) \>= 2 nanogram per milliliters (ng/mL)
  • Participants who received a first generation anti-androgen (eg, bicalutamide, flutamide, nilutamide) must have at least a 6-week washout prior to randomization and must show continuing disease (PSA) progression (an increase in PSA) after the washout period
  • Prostate cancer progression documented by prostate-specific antigen (PSA) according to the Prostate Cancer Clinical Trials Working Group (PCWG2) or radiographic progression of soft tissue according to modified Response Evaluation Criteria in Solid Tumors, version 1.1 (RECIST) modified based on PCWG2, or radiographic progression of bone according to PCWG2
  • Participants who cross-over from Prednisone alone to open-label apalutamide plus AAP should still be in the double-blind phase of the study, should be receiving AAP alone and should have ECOG 0-1-2.

You may not qualify if:

  • Small cell or neuroendocrine carcinoma of the prostate
  • Known brain metastases
  • Prior chemotherapy for prostate cancer, except if administered in the adjuvant/neoadjuvant setting
  • Previously treated with ketoconazole for prostate cancer for greater than 7 days
  • Therapies that must be discontinued or substituted at least 4 weeks prior to randomization include the following: a) Medications known to lower the seizure threshold, b) Herbal and non-herbal products that may decrease PSA levels (example \[eg\], saw palmetto, pomegranate) or c) Any investigational agent
  • At Screening need for parenteral or oral opioid analgesics (eg, codeine, dextropropoxyphene)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (173)

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Phoenix, Arizona, United States

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La Mesa, California, United States

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Los Angeles, California, United States

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Modesto, California, United States

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San Diego, California, United States

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San Francisco, California, United States

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Santa Barbara, California, United States

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Aurora, Colorado, United States

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Denver, Colorado, United States

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Jensen Beach, Florida, United States

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Lakeland, Florida, United States

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New Port Richey, Florida, United States

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Ocala, Florida, United States

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Atlanta, Georgia, United States

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Melrose, Illinois, United States

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Niles, Illinois, United States

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Marrero, Louisiana, United States

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New Orleans, Louisiana, United States

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Shreveport, Louisiana, United States

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Auburn, Maine, United States

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Baltimore, Maryland, United States

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St Louis, Missouri, United States

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Omaha, Nebraska, United States

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Las Vegas, Nevada, United States

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Albany, New York, United States

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Johnson City, New York, United States

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New York, New York, United States

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Poughkeepsie, New York, United States

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Syracuse, New York, United States

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The Bronx, New York, United States

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Columbus, Ohio, United States

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Tualatin, Oregon, United States

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Lancaster, Pennsylvania, United States

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Pittsburgh, Pennsylvania, United States

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Charleston, South Carolina, United States

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Myrtle Beach, South Carolina, United States

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Nashville, Tennessee, United States

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Austin, Texas, United States

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Houston, Texas, United States

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Norfolk, Virginia, United States

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Richmond, Virginia, United States

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Auburn, Washington, United States

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Seattle, Washington, United States

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Spokane, Washington, United States

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Wenatchee, Washington, United States

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Madison, Wisconsin, United States

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Ciudad Automoma Buenos Aires, Argentina

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Ciudad de Buenos Aires, Argentina

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Córdoba, Argentina

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La Rioja, Argentina

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Mendoza, Argentina

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Rosario, Argentina

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Adelaide, Australia

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Ashford, Australia

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Camperdown, Australia

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Herston, Australia

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Liverpool, Australia

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Malvern, Australia

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Melbourne, Australia

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Southport, Australia

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Wahroonga, Australia

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West Heidelberg, Australia

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Woolloongabba, Australia

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Antwerp, Belgium

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Brussels, Belgium

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Ghent, Belgium

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Gosselies, Belgium

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Leuven, Belgium

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Liège, Belgium

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Namur, Belgium

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Ottignies, Belgium

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Roeselare, Belgium

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Sint-Niklaas, Belgium

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Barretos, Brazil

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Ijuí, Brazil

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Natal, Brazil

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Porto Alegre, Brazil

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São José do Rio Preto, Brazil

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São Paulo, Brazil

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Abbotsford British Columbia, British Columbia, Canada

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Kelowna, British Columbia, Canada

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Vancouver, British Columbia, Canada

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Halifax, Nova Scotia, Canada

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Barrie, Ontario, Canada

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London, Ontario, Canada

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Oakville, Ontario, Canada

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Toronto, Ontario, Canada

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Weston, Ontario, Canada

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Montreal, Quebec, Canada

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Québec, Quebec, Canada

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Sherbrooke, Quebec, Canada

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Angers, France

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Caen, France

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Dijon, France

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Le Mans, France

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Lyon, France

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Montpellier, France

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Paris, France

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Saint-Herblain, France

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Toulouse, France

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Berlin, Germany

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Dresden, Germany

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Freiburg im Breisgau, Germany

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Hamburg, Germany

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Heidelberg, Germany

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Münster, Germany

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Nürtingen, Germany

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Wuppertal, Germany

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Fukuoka, Japan

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Kanazawa, Japan

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Kashiwa, Japan

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Kita-Gun, Japan

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Kumamoto, Japan

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Kurume, Japan

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Matsuyama, Japan

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Miyazaki, Japan

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Nagasaki, Japan

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Osaka, Japan

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Ōsaka-sayama, Japan

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Sakura, Japan

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Sapporo, Japan

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Ube, Japan

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Yokohama, Japan

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Chihuahua City, Mexico

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Cuernavaca, Mexico

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Culiacán, Mexico

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México, Mexico

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Oaxaca City, Mexico

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Zapopan, Mexico

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Amsterdam, Netherlands

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Amsterdam-Zuidoost, Netherlands

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Blaricum, Netherlands

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Dordrecht, Netherlands

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Groningen, Netherlands

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Heerlen, Netherlands

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Nieuwegein, Netherlands

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Nijmegen, Netherlands

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Rotterdam, Netherlands

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The Hague, Netherlands

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Kursk, Russia

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Moscow, Russia

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Omsk, Russia

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Pyatigorsk, Russia

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Rostov-on-Don, Russia

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Saint Petersburg, Russia

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Ufa, Russia

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Bloemfontein, South Africa

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Cape Town, South Africa

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Johannesburg, South Africa

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Pretoria, South Africa

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Goyang-si, South Korea

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Seongnam, South Korea

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Seoul, South Korea

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Alcorcón, Spain

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Barcelona, Spain

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Cadiz, Spain

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Córdoba, Spain

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Madrid, Spain

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San Sebastián de los Reyes, Spain

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Valencia, Spain

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Ayr, United Kingdom

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Belfast, United Kingdom

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Birmingham, United Kingdom

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Edinburgh, United Kingdom

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Glasgow, United Kingdom

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London, United Kingdom

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Manchester, United Kingdom

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Metropolitan Borough of Wirral, United Kingdom

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Plymouth, United Kingdom

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Preston, United Kingdom

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Stevenage, United Kingdom

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Sutton, United Kingdom

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Westcliff-on-Sea, United Kingdom

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Related Publications (2)

  • Roy S, Wallis CJD, Morgan SC, Kishan AU, Le ATT, Malone J, Sun Y, Spratt DE, Saad F, Malone S. Implications of metastatic stage at presentation in docetaxel naive metastatic castrate resistant prostate cancer. Prostate. 2023 Jul;83(10):912-921. doi: 10.1002/pros.24512. Epub 2023 Apr 18.

  • Saad F, Efstathiou E, Attard G, Flaig TW, Franke F, Goodman OB Jr, Oudard S, Steuber T, Suzuki H, Wu D, Yeruva K, De Porre P, Brookman-May S, Li S, Li J, Thomas S, Bevans KB, Mundle SD, McCarthy SA, Rathkopf DE; ACIS Investigators. Apalutamide plus abiraterone acetate and prednisone versus placebo plus abiraterone and prednisone in metastatic, castration-resistant prostate cancer (ACIS): a randomised, placebo-controlled, double-blind, multinational, phase 3 study. Lancet Oncol. 2021 Nov;22(11):1541-1559. doi: 10.1016/S1470-2045(21)00402-2. Epub 2021 Sep 30.

MeSH Terms

Conditions

Prostatic Neoplasms

Interventions

apalutamideAbiraterone AcetatePrednisone

Condition Hierarchy (Ancestors)

Genital Neoplasms, MaleUrogenital NeoplasmsNeoplasms by SiteNeoplasmsGenital Diseases, MaleGenital DiseasesUrogenital DiseasesProstatic DiseasesMale Urogenital Diseases

Intervention Hierarchy (Ancestors)

AndrostenesAndrostanesSteroidsFused-Ring CompoundsPolycyclic CompoundsPregnadienediolsPregnadienesPregnanes

Limitations and Caveats

This study used an electronic handheld device to collect responses for patient-reported outcome (PRO) questionnaires, which might have resulted in a lower-than-expected compliance due to unfamiliarity of the elderly population with the device.

Results Point of Contact

Title
Executive Medical Director
Organization
Aragon Pharmaceuticals, Inc.

Study Officials

  • Janssen Research & Development, LLC Clinical Trial

    Janssen Research & Development, LLC

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 2, 2014

First Posted

October 6, 2014

Study Start

November 26, 2014

Primary Completion

March 19, 2018

Study Completion (Estimated)

December 31, 2027

Last Updated

April 13, 2026

Results First Posted

August 16, 2021

Record last verified: 2026-04

Locations