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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01995513
Other study ID # MDV3100-10
Secondary ID 2013-000722-54C3
Status Completed
Phase Phase 4
First received
Last updated
Start date October 22, 2013
Est. completion date August 31, 2022

Study information

Verified date August 2023
Source Pfizer
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to determine if continued treatment with Enzalutamide is effective in patients with metastatic prostate cancer.


Recruitment information / eligibility

Status Completed
Enrollment 509
Est. completion date August 31, 2022
Est. primary completion date November 15, 2016
Accepts healthy volunteers No
Gender Male
Age group 18 Years and older
Eligibility Inclusion Criteria: - Men with metastatic castration-resistant prostate cancer - Progressive disease on androgen deprivation therapy - Patients must agree to continue androgen deprivation therapy with a GnRH agonist/antagonist throughout the study or have had a prior bilateral orchiectomy - ECOG performance score = 1 - Estimated life expectancy of = 12 months Exclusion Criteria: - Prior cytotoxic chemotherapy, aminoglutethimide, ketoconazole, abiraterone, or enzalutamide for the treatment of prostate cancer - Prior participation in a clinical trial of an investigational agent that inhibits the androgen receptor or androgen synthesis (unless the treatment was placebo) - History of brain metastasis, active leptomeningeal disease or seizure - Severe cardiovascular or hepatic disease - Pituitary or adrenal dysfunction

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Enzalutamide
160 mg by mouth once daily
Abiraterone
1000 mg by mouth once daily
Placebo for Enzalutamide
Sugar pill manufactured to mimic Enzalutamide 40 mg capsule
Prednisone
5 mg by mouth twice daily

Locations

Country Name City State
Australia Border Medical Oncology Research Unit Albury New South Wales
Australia Ramsay Health Care Australia Pty Ltd Albury New South Wales
Australia Regional Imaging Border Albury New South Wales
Australia Terry White Chemist Albury New South Wales
Australia Icon Cancer Care Wesley Auchenflower Queensland
Australia River City Pharmacy - APHS Auchenflower Queensland
Australia Moorabbin Radiology Bentleigh East Victoria
Australia Box Hill Hospital Box Hill Victoria
Australia Icon Cancer Care Chermside Chermside Queensland
Australia Monash Medical Centre Clayton Victoria
Australia Concord Cancer Centre, Medical Oncology Department Concord New South Wales
Australia Concord Hospital Clinical Trials Pharmacy Concord New South Wales
Australia Gold Coast Radiology PTY LTD Hope Island Queensland
Australia Adelaide Cancer Centre Kurralta Park South Australia
Australia Ashford Cancer Centre Research Kurralta Park South Australia
Australia Cancer Care SA Pty Ltd Kurralta Park South Australia
Australia Tenpharm Pty Ltd trading as EPIC Pharmacy Tennyson Kurralta Park South Australia
Australia Epic Pharmacy Lismore Lismore New South Wales
Australia Cabrini Health - Cabrini Hospital Malvern Victoria
Australia Macquarie University North Ryde New South Wales
Australia Macquarie University Hospital Pharmacy North Ryde New South Wales
Australia Epic Pharmacy Port Macquarie base hospital Port Macquarie New South Wales
Australia Port Macquarie Base Hospital,North Coast Cancer Institute Port Macquarie New South Wales
Australia Icon Cancer Care South Brisbane Queensland
Australia Icon Cancer Care South Brisbane South Brisbane Queensland
Australia North Shore Radiology and Nuclear Medicine St Leonards New South Wales
Australia Royal North Shore Hospital St Leonards New South Wales
Australia Sydney Adventist Hospital Sydney New South Wales
Australia South Coast Radiology Tugun Queensland
Australia Northern NSW Local Health District Tweed Heads New South Wales
Australia Queensland Diagnostic Imaging Tweed Heads New South Wales
Australia Sydney Adventist Hospital Wahroonga New South Wales
Australia Regional Imaging West Albury New South Wales
Australia Westmead Hospital Westmead New South Wales
Australia Border Medical Oncology Wodonga Victoria
Belgium Cliniques universitaires saint-Luc Bruxelles
Belgium Algemeen Ziekenhuis Groeninge Kortrijk West-vlaanderen
Belgium Universitaire Ziekenhuizen Leuven Leuven
Denmark Arhus Universitetshospital Arhus N
Denmark Rigshospitalet Copenhagen
Denmark Rigshospitalet CPC 7521 Copenhagen Norrebro
Denmark Frederiksberg Hospital Frederiksberg
Finland Helsingin yliopistollinen keskussairaala, Meilahden sairaala Helsinki
Finland Oulun yliopistollinen sairaala Oulu
Finland Tampereen yliopistollinen Sairaala Tampere
France Institut Gustave Roussy - Service d'Urologie Villejuif Cedex
Italy Medicina Nucleare, Azienda Ospedaliera "Istituti Ospitalieri" di Cremona Cremona
Italy Servizio di Radiologia, Azienda Ospedaliera "Istituti Ospitalieri" di Cremona Cremona
Italy Struttura Complessa di Oncologia, Azienda Socio Sanitaria Territoriale di Cremona Cremona
Italy U.O. Oncologia Medica, IRCCS Istituto Scientifico Romagnolo per lo Studio e la Cura Meldola FC
Italy Laboratorio Farmaci Antiblastici Meldola (FC)
Italy UO Radiologia Meldola (FC)
Italy SCDU Oncologia Medica II Pad, A.O.U. San Luigi Gonzaga Orbassano TO
Italy SCDU Radiodiagnostica, A.O.U. San Luigi Gonzaga Orbassano TO
Italy SS Medicina Nucleare, A.O.U. San Luigi Gonzaga Orbassano TO
Italy Azienda Ospedaliera S. Camillo Forlanini, UOC per il governo clinico in Oncologia Medica Roma
Italy UOC Radiologia Piasta, Azienda Ospedaliera S. Camillo Forlanini Roma
Slovakia Fakultna nemocnica s poliklinikou F.D. Roosevelta Banska Bystrica
Slovakia Fakultna nemocnica s poliklinikou F.D. Roosevelta Banska Bystrica
Slovakia Institut nuklearnej a molekularnej mediciny Banska Bystrica
Slovakia Bratislavske radiodiagnosticke centrum,a.s. Bratislava
Slovakia CUIMED, s.r.o., urologicka ambulancia Bratislava
Slovakia Univerzitna nemocnica martin Martin
Slovakia IZOTOPCENTRUM, s.r.o. Nitra
Slovakia Jessenius-diagnosticke centrum, a.s. Nitra
Slovakia Uroexam, spol. s r.o., Urologicka ambulancia Nitra
Slovakia GAMMALAB, spol.s r.o., Oddelenie nuklearnej mediciny Trnava
Spain CO Badalona-Instituto Germans Trias i Pujol Badalona Barcelona
Spain ICO Badalona-Instituto Germans Trias i Pujol Badalona, Barcelon
Spain ICO Badalona-Instituto Germans Trias i Pujol Badalona, Barcelona
Spain Hospital Clinic de Barcelona Barcelona
Spain Hospital del Mar Barcelona
Spain Hospital Universitario Madrid Sanchinarro Madrid
Spain ALTAHIA, Xarxa Assistencial Universitaria de Manresa Manresa Barcelona
Spain Hospital Universitario Son Espases Palma Islas Baleares
Spain Hospital Universitari Parc Tauli Sabadell Barcelona
Sweden Urologmottagningen Goteborg
Sweden Urologiska kliniken Malmo
Sweden Apoteket AB Kliniska Provningar Molnlycke Molnlycke
Sweden Oriola Molnlycke
Sweden Rontgenkliniken Orebro
Sweden Urologmottagningen Orebro
United Kingdom Velindre NHS Trust Cardiff
United Kingdom The Royal Marsden NHS Foundation Trust London
United Kingdom University College Hospitals NHS Trust London
United Kingdom University College London Hospitals NHS Foundation Trust London
United Kingdom East and North Hertfordshire NHS Trust Northwood Middlesex
United Kingdom Oxford University Hospitals NHS Trust Oxford
United Kingdom The Royal Marsden NHS Foundation Trust Sutton Surrey
United States Beth Israel Deaconess Medical Center Boston Massachusetts
United States Beth Israel Deaconess Medical Center Boston Massachusetts
United States Brigham & Women's Hospital Boston Massachusetts
United States Dana Farber Cancer Institute Boston Massachusetts
United States eResearch Technology Philadelphia Pennsylvania
United States Urology of Virginia, PLLC Virginia Beach Virginia

Sponsors (3)

Lead Sponsor Collaborator
Pfizer Astellas Pharma Inc, Medivation LLC, a wholly owned subsidiary of Pfizer Inc.

Countries where clinical trial is conducted

United States,  Australia,  Belgium,  Denmark,  Finland,  France,  Italy,  Slovakia,  Spain,  Sweden,  United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Other Percentage of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs) An AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. SAE was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. Treatment emergent are events between first dose of study drug and up to 30 days after last dose of study drug that were absent before treatment, or worsened during the treatment period relative to the pretreatment state. AEs included both serious and non-serious. Baseline up to 30 days after the last dose of study drug or before initiation of a new antitumor treatment, whichever occurred first (maximum of 99.4 months)
Other Percentage of Participants With Adverse Events (AEs) Leading to Study Drug Discontinuation An AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. Outcome of an AE was response to a question answered by the investigator: 'Is the AE leading to study discontinuation or death?' as 'yes'. Baseline up to 30 days after the last dose of study drug or before initiation of a new antitumor treatment, whichever occurred first (maximum of 99.4 months)
Other Percentage of Participants With Adverse Events (AEs) Leading to Death An AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. Outcome of an AE was response to a question answered by the investigator: 'Is the AE leading to study discontinuation or death?' as 'yes'. Baseline up to 30 days after the last dose of study drug or before initiation of a new antitumor treatment, whichever occurred first (maximum of 99.4 months)
Other Percentage of Participants With Treatment-Emergent Treatment-Related Adverse Events (AEs) and Serious Adverse Events (SAEs) Treatment-related AE was any untoward medical occurrence attributed to study drug in a participant who received study drug. SAE was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. Treatment-emergent were events between first dose of study drug and up to 30 days after last dose of study drug that were absent before treatment or that worsened relative to pre-treatment state. Relatedness to study drug was assessed by the investigator. Baseline up to 30 days after the last dose of study drug or before initiation of a new antitumor treatment, whichever occurred first (maximum of 99.4 months)
Primary Progression Free Survival (PFS) PFS = time from randomization to first documentation of radiographic progression (RP),unequivocal clinical progression or death due to any cause (death within 112 days of treatment discontinuation without objective evidence of RP),whichever occurred first as per investigator. Unequivocal disease progression was pain requiring chronic administration of analgesics, decline of prostate cancer of Eastern Cooperative Oncology Group (ECOG) performance status score to 3 or higher or initiation of new anticancer therapy/radiation therapy or surgical intervention due to tumor progression. ECOG score range= 0(no severity) to 5(maximum severity).RP for bone disease was evaluated by appearance of 2 or more new bone lesions as per Prostate Cancer Clinical Trials Working Group 2 (PCWG2) or for soft tissue disease according to Response Evaluation Criteria in Solid Tumor version 1.1. Participants with no PFS event at analysis date were censored at last tumor assessment date prior to data cutoff date. From randomization until disease progression, last tumor assessment without disease progression or death due to any cause, whichever occurred first (maximum up to 20.3 months)
Secondary Time to Prostate Specific Antigen (PSA) Progression Time from date of randomization to the date of first confirmed PSA progression as per Prostate Cancer Clinical Trials Working Group 2 (PCWG2). For participant's whose PSA decreased at Week 13 after randomization, progression was defined as 25 percent (%) PSA increase relative to nadir or absolute increase of >=2 nanogram/milliliter (ng/mL) above nadir. Progression was confirmed if another assessment measured at least 3 weeks later met the criterion as well. For participant's whose PSA did not decrease at Week 13 after randomization, progression was defined as 25% PSA increase relative to baseline assessed 12 weeks after baseline. Participants who were not known to have had a PFS event at the analysis date were censored at last PSA assessment date prior to data cutoff date. From randomization until disease progression, last tumor assessment without disease progression, whichever occurred first (maximum up to 11.1 months)
Secondary Prostate Specific Antigen (PSA) Response Rate PSA response rate was defined as percentage of participants with >=30% and >=50% decrease in PSA from baseline at randomization to the maximal PSA response with a threshold of 30% and 50% respectively. PSA response was confirmed if another assessment measured at least 3 weeks later met the criterion as well. From randomization until disease progression, last tumor assessment without disease progression, whichever occurred first (maximum up to 11.1 months)
Secondary Objective Response Rate (ORR) Objective response rate as assessed by the investigator according to Response Evaluation Criteria in Solid Tumor version 1.1 (RECIST v1.1) was defined as 1) Percentage of participants with confirmed best overall complete response (CR) and partial response (PR); 2) Percentage of participants with CR, PR and stable disease (SD) for target lesions or non-progressive disease for non-target lesions. CR: Disappearance of all non-nodal target and non-target lesions, including target and non-target lymph nodes reduction to <10 millimeter (mm) in short axis. No new lesions and disappearance of all non-target lesions. PR: >= 30% decrease in sum of diameters of target lesions, compared to the sum at baseline. The short axis was used in the sum for target nodes, while the longest diameter was used in the sum for all other target lesions. From randomization until CR or PR, whichever occurred first (maximum up to 21.3 months)
Secondary Rate of Pain Progression Rate of pain progression was defined as percentage of participants with an increase of >=30% from baseline in the mean Brief Pain Inventory-Short Form (BPI-SF) pain intensity item scores of 4 items assessing average, worst, least, and intermediate pain severity. BPI-SF is an 11-item self-report questionnaire that is designed to assess the severity and impact of pain on daily functions of a participant. BPI-sf includes 4 questions that assess pain intensity (worst, least, average, right now) and 7 questions that assess impact of pain on daily functions (general activity, mood, walking ability, normal work, relations with other people, sleep, enjoyment of life). BPI-sf score range for each item was from 0=no pain to 10=worst possible pain. Total score was reported as average of individual questions ranges from 0 to 10, where lower scores indicated less pain or less pain interference. Month 6
Secondary Time to First Use of New Antineoplastic Therapy for Prostate Cancer It was defined as time from randomization to the date of first use of subsequent antineoplastic therapy for prostate cancer. For participants who had not started subsequent antineoplastic therapy as of data analysis cutoff date, the time to first use of subsequent antineoplastic therapy was censored at the date of last assessment. From randomization until date of first use of any antineoplastic therapy (after last dose date of Period 2, maximum up to 22.3 months
Secondary Change From Baseline in Quality of Life as Assessed by Functional Assessment of Cancer Therapy-Prostate (FACT-P) Global Score The FACT-P is a multidimensional, self-reported quality of life instrument consisting of 27 core items that assess participant function in 4 domains: physical, social/family, emotional, functional well-being, and supplemented by 12 site-specific items to assess for prostate-related symptoms. Each item is rated on a 0 to 4 Likert-type scale, and then combined to produce subscale scores for each domain, as well as a global quality of life score which is the sum of all 5 domain scores and ranges from 0 to 156 where higher scores represent better quality of life. Baseline, Week 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 73, 77, 81, 85, 89
Secondary Change From Baseline in Quality of Life as Assessed by Functional Assessment of Cancer Therapy-Prostate (FACT-P) Social/Family Well-Being Domain Scores The FACT-P is a multidimensional, self-reported quality of life instrument consisting of 27 core items that assess participant function in 4 domains: physical, social/family, emotional, functional well-being, and supplemented by 12 site-specific items to assess for prostate-related symptoms. Each item is rated on a 0 to 4 Likert-type scale, and then combined to produce subscale scores for each domain. Total subscale score range for social/family well-being domain is from 0 (worst response) to 32 (best response), where higher score indicate better quality of life. Baseline, Week 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 73, 77, 81, 85, 89
Secondary Change From Baseline in Quality of Life as Assessed by Functional Assessment of Cancer Therapy-Prostate (FACT-P) Emotional Well-Being Domain Scores The FACT-P is a multidimensional, self-reported quality of life instrument consisting of 27 core items that assess participant function in 4 domains: physical, social/family, emotional, functional well-being, and supplemented by 12 site-specific items to assess for prostate-related symptoms. Each item is rated on a 0 to 4 Likert-type scale, and then combined to produce subscale scores for each domain. Total subscale score range for emotional well-being domain is from 0 (worst response) to 24 (best response), where higher score indicate better quality of life. Baseline, Week 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 73, 77, 81, 85, 89
Secondary Change From Baseline in Quality of Life as Assessed by Functional Assessment of Cancer Therapy-Prostate (FACT-P) Functional Well-Being Domain Scores The FACT-P is a multidimensional, self-reported quality of life instrument consisting of 27 core items that assess participant function in 4 domains: physical, social/family, emotional, functional well-being, and supplemented by 12 site-specific items to assess for prostate-related symptoms. Each item is rated on a 0 to 4 Likert-type scale, and then combined to produce subscale scores for each domain. Total subscale score range for functional well-being domain is from 0 (worst response) to 28 (best response), where higher score indicate better quality of life. Baseline, Week 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 73, 77, 81, 85, 89
Secondary Change From Baseline in Quality of Life as Assessed by Functional Assessment of Cancer Therapy-Prostate (FACT-P) Prostate Cancer Domain Scores The FACT-P is a multidimensional, self-reported quality of life instrument consisting of 27 core items that assess participant function in 4 domains: physical, social/family, emotional, functional well-being, and supplemented by 12 site-specific items to assess for prostate-related symptoms. Each item is rated on a 0 to 4 Likert-type scale, and then combined to produce subscale scores for each domain. Total subscale score range for prostate cancer domain is from 0 (worst response) to 48 (best response), where higher score indicated better quality of life with fewer symptoms. Baseline, Week 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 73, 77, 81, 85, 89
Secondary Change From Baseline in Quality of Life as Assessed by Functional Assessment of Cancer Therapy-Prostate (FACT-P) Physical Well-Being Domain Scores The FACT-P is a multidimensional, self-reported quality of life instrument consisting of 27 core items that assess participant function in 4 domains: physical, social/family, emotional, functional well-being, and supplemented by 12 site-specific items to assess for prostate-related symptoms. Each item is rated on a 0 to 4 Likert-type scale, and then combined to produce subscale scores for each domain. Total subscale score range for physical well-being domain is from 0 (worst response) to 28 (best response), where higher score indicate better quality of life. Baseline, Week 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 73, 77, 81, 85, 89
Secondary Time to Degradation of the Functional Assessment of Cancer Therapy-Prostate (FACT-P) Global Score Time to degradation of FACT-P was defined as the time from randomization to first assessment with at least a 10-point decrease from baseline in the global FACT-P score for each participant. The FACT-P is a multidimensional, self-reported quality of life instrument consisting of 27 core items that assess participant function in 4 domains: physical, social/family, emotional, and functional well-being, and supplemented by 12 site-specific items to assess for prostate-related symptoms. Each item is rated on a 0 to 4 Likert-type scale, and then combined to produce subscale scores for each domain, as well as a global quality of life score which is the sum of all 5 domain scores and ranges from 0 to 156 with higher scores representing better quality of life. Participants with no score degradation at the time of analysis data cutoff were censored at the date of last assessment showing no degradation. From randomization up to maximum of 18.4 months
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