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A Study of Abiraterone Acetate Plus Prednisone in Patients With Metastatic Castration-Resistant Prostate Cancer Who Have Failed Docetaxel-Based Chemotherapy

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT01695135
Recruitment Status : Completed
First Posted : September 27, 2012
Results First Posted : July 18, 2019
Last Update Posted : July 18, 2019
Sponsor:
Information provided by (Responsible Party):
Janssen Research & Development, LLC

Brief Summary:
The purpose of this study is to evaluate the safety and efficacy of abiraterone acetate when co-administered with prednisone in Asian patients with metastatic castration-resistant prostate cancer (mCRPC) who have failed docetaxel-based chemotherapy.

Condition or disease Intervention/treatment Phase
Prostate Neoplasms Drug: Abiraterone acetate Drug: Placebo Drug: Prednisone Phase 3

Detailed Description:
This is a randomized (the treatment group is assigned by chance), double-blind (neither physician nor patient knows the treatment that the patient receives) placebo (an inactive substance that is compared with a drug to test whether the drug has a real effect in a clinical trial)-controlled study with a randomization allocation ratio of 2:1 between the abiraterone acetate group (abiraterone acetate plus prednisone) and the placebo group (placebo plus prednisone). Approximately 200 (133 in the abiraterone acetate group and 67 in the placebo group) medically or surgically castrated male patients with mCRPC who have failed docetaxel-based chemotherapy will be enrolled in this study for up to 27 months. The study protocol includes the following phases: screening (within 28 days prior to randomization on Cycle 1 Day 1), double-blind treatment (28-day cycles until protocol-defined disease progression or unacceptable toxicity), and survival follow-up (up to Month 60). During the follow-up phase, patients with disease progression will be provided open-label (identity of assigned study drug will be known) extension treatment with abiraterone acetate. In the event of a positive study result at the time of the final analysis, participants in the placebo group who have not shown progressive disease in the double-blind treatment Phase of the study will be enrolled in an open-label extension treatment with abiraterone acetate treatment based on the participant's choice and treating physician's endorsement if they meet the criteria for subsequent abiraterone acetate. Abiraterone acetate 1000 mg tablets or placebo will be taken orally (by mouth) once daily plus prednisone 5 mg tablet orally twice daily. Efficacy and safety will be monitored throughout the study.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 214 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple (Participant, Care Provider, Investigator)
Primary Purpose: Treatment
Official Title: A Phase 3, Randomized, Double-blind, Placebo-Controlled Study of Abiraterone Acetate (JNJ-212082) Plus Prednisone in Patients With Metastatic Castration-Resistant Prostate Cancer Who Have Failed Docetaxel-Based Chemotherapy
Actual Study Start Date : August 9, 2012
Actual Primary Completion Date : June 20, 2014
Actual Study Completion Date : May 8, 2018

Resource links provided by the National Library of Medicine


Arm Intervention/treatment
Experimental: Abiraterone acetate plus prednisone Drug: Abiraterone acetate
Abiraterone 1000 mg (4 x 250 mg tablets) taken orally once daily

Drug: Prednisone
Prednisone 5 mg tablet taken orally twice daily

Experimental: Placebo plus prednisone Drug: Placebo
Placebo (4 tablets) taken orally once daily

Drug: Prednisone
Prednisone 5 mg tablet taken orally twice daily




Primary Outcome Measures :
  1. DB Phase: Time to Prostate-Specific Antigen Progression (PSA) [ Time Frame: Up to 1.8 years ]
    Time to PSA progression was defined as time interval from the date of randomization to the date of the prostate-specific antigen (PSA) progression as defined in the Prostate Specific Antigen Working Group (PSAWG) criteria. PSAWG criteria- Decline from baseline and reach response criteria: greater than or equal to (>=) 50 percent (%) increase over the nadir and the increase in the absolute-value by at least 5 nanogram per milliliter (ng/mL) (or back to the baseline), which is confirmed by a second value 4 or more weeks later; Decline from baseline but not reach response criteria: >=25% increase over the nadir and the increase in the absolute-value by at least 5 ng/mL, which is confirmed by a second value 4 or more weeks later; and No decline from baseline: >=25% increase over the baseline and the increase in the absolute-value by at least 5 ng/mL, which is confirmed by a second value 4 or more weeks later.


Secondary Outcome Measures :
  1. DB Phase: Overall Survival [ Time Frame: From randomization to the date of death due to any cause (up to approximately 3.8 years) ]
    Overall survival was defined as the time interval from the date of randomization to the date of death from any cause.

  2. DB Phase: Percentage of Participants Who Achieved PSA Response [ Time Frame: Approximately up to 3.8 years ]
    Percentage of participants who achieved PSA response (defined as >= 50% PSA decline from baseline) according to PSAWG criteria were reported. PSAWG criteria- Decline from baseline and reach response criteria: >= 50% increase over the nadir and the increase in the absolute-value by at least 5 ng/mL (or back to the baseline), which is confirmed by a second value 4 or more weeks later; Decline from baseline but not reach response criteria: >=25% increase over the nadir and the increase in the absolute-value by at least 5 ng/mL, which is confirmed by a second value 4 or more weeks later; and No decline from baseline: >=25% increase over the baseline and the increase in the absolute-value by at least 5 ng/mL, which is confirmed by a second value 4 or more weeks later.

  3. DB Phase: Objective Response Rate (ORR) [ Time Frame: Approximately up to 3.8 years ]
    ORR was defined as the percentage of participants with measurable disease at baseline achieving a complete response (CR) or partial response (PR) according to modified response evaluation criteria in solid tumors (RECIST) criteria. RECIST criteria for CR: disappearance of all target lesions and non-target lesions and normalization of tumor marker level. PR: At least a 30% decrease in the sum of the longest diameter (LD) of target lesions, taking as reference the baseline sum LD.

  4. DB Phase: Change From Baseline in Functional Assessment of Cancer Therapy-Prostate (FACT-P) Questionnaire: Total Scores at the End of Treatment [ Time Frame: Baseline, at End of Treatment (15 and 30 days after the last dose [up to 3.8 years]) ]
    FACT-P assesses symptoms/problems related to prostate carcinoma and its treatment. It is a combination of the FACT- General + the Prostate Cancer Subscale (PCS) (Range 1-156, higher scores better). The FACT-General (FACT-G) is a 28 item Quality of Life (QOL) measure that provides a total score as well as subscale scores: Physical (0-28), Functional (0-28), Social (0-28), and Emotional (0-24) Well-being. The total range was between 1-108, higher scores better. Functional Assessment of Cancer Therapy-Treatment Outcome Index (FACT-TOI) is derived from the sum of the Physical Well-Being, Functional Well-Being, and Prostate Cancer subscale scores; a sensitive measure of patient-reported health (Range 1-104, higher scores better). PCS is a 12-item prostate cancer subscale that asks about symptoms and problems specific to prostate cancer (Range 0-48, higher scores better).

  5. DB Phase: Time to Pain Progression [ Time Frame: Approximately up to 3.8 years ]
    Time to Pain progression calculated as number of days from date of randomization to date of pain progression. Pain progression- worsening of pain due to metastatic bone disease defined as increase of >=30% in worst pain over past 24 hours on BPI-SF numeric rating scale at 2 consecutive evaluations 4 weeks apart without decrease in analgesic usage score (in 2 corresponding consecutive evaluation in analgesic usage score, if there is missing visit, use existing visit only) or increase in analgesic usage score >=30% at 2 consecutive evaluations 4 weeks apart. BPI-SF is 11-item questionnaire which includes 4 questions that assess pain intensity and 7 questions that assess impact of pain on daily functions. Total score (average of individual questions) ranges from 0=No pain to 10=Pain as bad as you can imagine; Higher scores= greater pain. Analgesic usage was scored on scale of 0 to 3 where 0=no analgesic, 1=non-opioid analgesics, 2=opioids for moderate pain and 3=opioids for severe pain.

  6. DB Phase: Percentage of Participants Experiencing Pain Palliation [ Time Frame: Approximately up to 3.8 years ]
    Percentage of participants experiencing pain palliation were reported. A participant is responder if experienced >=30% reduction in Brief Pain Inventory - Short Form (BPI-SF) worst pain intensity score over 24 hours observed at 2 consecutive evaluations 4 weeks apart without any increase in analgesic usage score (best response). Analgesic usage was scored on a scale of 0 to 3 where 0=no analgesic, 1=non-opioid analgesics, 2=opioids for moderate pain and 3=opioids for severe pain. BPI-SF is 11-item self-reported questionnaire designed to assess severity and impact of pain on daily functions. It 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). Total score (average of individual questions) ranges from 0=No pain to 10=Pain as bad as you can imagine; Higher scores indicate greater pain.

  7. DB Phase: Change From Baseline in Brief Fatigue Inventory (BFI) Score at End of Treatment [ Time Frame: Baseline, at End of Treatment (15 and 30 days after the last dose [up to 3.8 years]) ]
    The Brief Fatigue Inventory (BFI) is a brief participant-reported questionnaire that measures the severity of fatigue based on the worst fatigue experienced during the past 24-hours. BFI has nine items. Three items ask patients to rate the severity of their fatigue at its "worst," "usual," and "now" during normal waking hours, with 0 being "no fatigue" and 10 being "fatigue as bad as you can imagine." Six items assess the amount that fatigue has interfered with different aspects of the patient's life during the past 24 hours. The interference items include general activity, mood, walking ability, normal work (includes both work outside the home and housework), relations with other people, and enjoyment of life. The interference items are measured on a 0-10 scale, with 0 being "does not interfere" and 10 being "completely interferes." BFI Total Score is the average of the nine items, ranging from 0 (no fatigue) to 10 (high fatigue).



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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   Male
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Histologically or cytologically confirmed adenocarcinoma of the prostate except neuroendocrine carcinoma including small cell carcinoma
  • Disease progressed on or after prior docetaxel-containing chemotherapy
  • Prior 1 or 2 cytotoxic chemotherapy regimens for metastatic castration-resistant prostate cancer, at least 1 of which contains docetaxel
  • Documented prostate cancer progression as documented by prostate specific antigen progression according to Prostate Specific Antigen Working Group criteria or radiographic progression in soft tissue or bone
  • Surgically or medically castrated, with serum testosterone level <50 ng/dL (1.7 nmol/L)
  • Eastern Cooperative Oncology Group performance status score of <=2
  • Protocol-defined laboratory values
  • Agrees to protocol-defined use of effective contraception

Exclusion Criteria:

  • Active infection or other medical condition that would make prednisone (corticosteroid) use contraindicated
  • Any chronic medical condition requiring a higher dose of corticosteroid than 5 mg prednisone twice daily
  • Pathological finding consistent with neuroendocrine carcinoma of prostate including small cell carcinoma
  • Uncontrolled hypertension (systolic BP >=160 mmHg or diastolic BP >=95 mmHg; patients with a history of hypertension are allowed provided blood pressure is controlled by anti-hypertensive therapy)
  • Active or symptomatic viral hepatitis or chronic liver disease, have a known infection with human immunodeficiency virus and/or hepatitis B virus or hepatitis C virus
  • History of pituitary or adrenal dysfunction.
  • Clinically significant heart disease as evidenced by myocardial infarction, or arterial thrombotic events in the past 6 months, severe or unstable angina, or New York Heart Association Class III or IV heart disease or cardiac ejection fraction measurement of <50% at baseline
  • Atrial fibrillation, or other cardiac arrhythmia requiring therapy
  • Other malignancy within past 3 years (except basal or nonmetastatic squamous cell carcinoma of the skin)
  • Known brain metastasis
  • Prior therapy with abiraterone acetate or other CYP17 inhibitor(s), or investigational agent(s) targeting the androgen receptor for metastatic prostate cancer
  • Prior therapy with ketoconazole for prostate cancer
  • Surgery or local prostatic intervention within 30 days of the first dose
  • Radiotherapy, chemotherapy, or immunotherapy within 30 days, or single fraction of palliative radiotherapy within 14 days of administration of Cycle 1 Day 1
  • Any acute toxicities due to prior chemotherapy and/or radiotherapy that have not resolved to a National Cancer Institute-Common Terminology Criteria for Adverse Events grade of <=1 (chemotherapy induced alopecia and grade 2 peripheral neuropathy is allowed)
  • Current enrollment in an investigational drug or device study or participation in such a study within 30 days of Cycle 1 Day 1
  • Anti-androgen treatment must not be given within 4 weeks (flutamide) or 6 weeks (bicalutamide or nilutamide) prior to Cycle 1 Day 1
  • Prior systemic treatment with an azole drug (eg, fluconazole, itraconazole) within 4 weeks prior to Cycle 1 Day 1
  • Has known allergies, hypersensitivity, or intolerance to abiraterone acetate or its excipients
  • Has contraindications to the use of prednisone per local prescribing information
  • Has any condition that, in the opinion of the investigator, would make participation not be in the best interest (eg, compromise the well-being) of the patient or that could prevent, limit, or confound the protocol-specified assessments

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01695135


Locations
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China
Beijing, China
Changsha, China
Chongqing, China
Guangzhou, China
Hangzhou, China
Nanjing, China
Shanghai, China
Su Zhou, China
Tianjin, China
Wenzhou, China
Wuhan, China
Sponsors and Collaborators
Janssen Research & Development, LLC
Investigators
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Study Director: Janssen Research & Development, LLC Clinical Trial Janssen Research & Development, LLC
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Responsible Party: Janssen Research & Development, LLC
ClinicalTrials.gov Identifier: NCT01695135    
Other Study ID Numbers: CR100010
ABI-PRO-3001 ( Other Identifier: Janssen Research & Development, LLC )
First Posted: September 27, 2012    Key Record Dates
Results First Posted: July 18, 2019
Last Update Posted: July 18, 2019
Last Verified: May 2019
Keywords provided by Janssen Research & Development, LLC:
Prostate neoplasms
Prostate cancer
Metastatic castration resistant prostate cancer
Abiraterone acetate
JNJ-212082
Additional relevant MeSH terms:
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Prostatic Neoplasms
Genital Neoplasms, Male
Urogenital Neoplasms
Neoplasms by Site
Neoplasms
Prostatic Diseases
Prednisone
Abiraterone Acetate
Anti-Inflammatory Agents
Glucocorticoids
Hormones
Hormones, Hormone Substitutes, and Hormone Antagonists
Physiological Effects of Drugs
Antineoplastic Agents, Hormonal
Antineoplastic Agents
Steroid Synthesis Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
Hormone Antagonists
Cytochrome P-450 Enzyme Inhibitors