- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02905318
Palbociclib in Patients With Metastatic Castration-Resistant Prostate Cancer
A Phase II Study of Palbociclib, A CDK4/6 Inhibitor, in Patients With Metastatic Castration-Resistant Prostate Cancer
Study Overview
Detailed Description
The standard or usual treatment for this disease may be chemotherapy or other types of treatment to slow the spread of the disease and relieve some symptoms of cancer.
Palbociclib is a new type of drug for prostate cancer. Laboratory tests show that it may help slow the growth of prostate cancer. Palbociclib has been shown to help patients with breast cancer but it is not known if the drug is useful for treating prostate cancer.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Nova Scotia
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Halifax, Nova Scotia, Canada, B3H 1V7
- QEII Health Sciences Centre
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Ontario
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Hamilton, Ontario, Canada, L8V 5C2
- Juravinski Cancer Centre at Hamilton Health Sciences
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London, Ontario, Canada, N6A 5W9
- London Regional Cancer Program
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Toronto, Ontario, Canada, M5G 2M9
- University Health Network
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Toronto, Ontario, Canada, M4N 3M5
- Odette Cancer Centre
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Quebec
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Montreal, Quebec, Canada, H2X 3E4
- CHUM-Centre Hospitalier de l'Universite de Montreal
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Saskatchewan
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Regina, Saskatchewan, Canada, S4T 7T1
- Allan Blair Cancer Centre
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients must have histologically confirmed adenocarcinoma of the prostate without evidence of small cell/neuroendocrine differentiation.
- Patients must consent to blood collection for testing prior to enrollment by a central reference laboratory. Screening will be done through the CRPC Master Screening Protocol (IND234)
- Patients must have clinically and/or radiologically documented disease. Patients with elevated PSA only are not eligible. All radiology studies must be performed within 28 days prior to enrollment (within 35 days if negative).
- All patients must have consented to the release of a tumour block from their primary or metastatic tumour. The centre/pathologist must have agreed to the submission of the specimen.
Patients must have evidence of either biochemical or radiological disease progression in the setting of surgical or medical castration:
PSA progression:
- Minimum of two rising PSA values from a baseline measurement with an interval of ≥ 1 week between each measurement
- PSA must be ≥2.0 ug/L
Objective progression:
- RECIST 1.1 or
- Soft tissue or visceral disease progression or
- PCWG3 for bone progression (>2 new lesions on bone scan or CT)
Surgical/medical castration:
- Prior orchiectomy or
- LHRH agonist/antagonist and testosterone < 50 ng/dL or < 1.7 nmol/L. LHRH agonist/antagonist therapy must be maintained for the duration of study therapy and if previously discontinued, must be restarted and castrate level of testosterone present.
- Patients must be ≥18 years of age.
- ECOG performance status 0 or 1 (Appendix I) and have a life expectancy of ≥ 6 months.
- Previous Therapy:
Patients must have recovered from any treatment-related toxicities prior to registration (unless ≤ grade 1, irreversible, or considered by investigator as not clinically significant).
Surgery:
Prior major surgery is permitted provided that a minimum of 14 days have elapsed between any major surgery and enrollment (7 days for minor surgery e.g. port insertion), and that wound healing has occurred.
Radiation:
Prior external beam radiation or radium-223 is permitted provided a minimum of 28 days (4 weeks) have elapsed between the last dose and enrollment. Limited field radiation (for example less than 25% of marrow bearing bones) for palliation of bone pain is permitted < 2 weeks prior to starting study drug. Concurrent radiation is not permitted. Prior strontium-89 at any time is not permitted.
Systemic Therapy:
Prior systemic therapy is permitted as outlined below. Patients must have recovered from all reversible toxicity related to prior systemic therapy and have adequate washout prior to enrollmentas follows and as specified in the Sections below:
Longest of one of the following:
- Two weeks;
- The longer of 30 days or 5 half-lives for investigational agents;
- Standard cycle length of standard therapies.
Hormonal Therapy: Patients must have received prior hormonal treatment with at least one of abiraterone acetate, enzalutamide, ARN-509 TAK-700 and TOK-001. Prior anti-androgen therapy must have been discontinued at least 28 days (or 42 days for bicalutamide) prior to enrollment.
Cytotoxic Therapy: Patients may have received docetaxel therapy in the castrate sensitive setting as well as up to 1 regimen of any cytotoxic therapy in the CRPC setting. Prior treatment with docetaxel, cabazitaxel and mitoxantrone is permitted.
Immunotherapy: Patients may have received prior immune checkpoint inhibitors (anti PDL1 and anti CTL-4); vaccines and treatment with oncolytic viruses is permissible.
Other therapy:
- Previous therapy with CDK or mTOR inhibitors is not allowed.
- Prior treatment with other agents, such as tyrosine kinase or other targeted agents is permissible.
- Systemic corticosteroids are permitted at a dose equivalent to <10 mg prednisone daily; topical applications (e.g. rash), inhaled sprays (e.g. obstructive airways diseases), eye drops or local injections (e.g. intra-articular) are permitted.
Bisphosphonates / denosumab are permitted for treatment of hypercalcemia, osteoporosis and skeletal-related events.
- Laboratory Requirements (within 7 days of enrollment):
Neutrophils ≥ 1.5 x 10^9/L Platelets ≥ 100 x 10^9/L Hemoglobin ≥ 100 g/L Bilirubin ≤ 1.5 x ULN; if confirmed Gilbert's then bilirubin ≤ 3.0 x ULN AST and ALT ≤ 1.5 x ULN; if patient has liver metastases ≤ 5.0 x ULN Serum creatinine ≤ 1.5 x ULN or Creatinine clearance ≥ 50 mL/min;
- Patient consent must be appropriately obtained in accordance with applicable local and regulatory requirements
- Patients must be accessible for treatment and follow up. Patients registered on this trial must be treated and followed at the participating centre.
- In accordance with CCTG policy, protocol treatment is to begin within 2 working days of patient enrollment.
- Men of childbearing potential must have agreed to use a highly effective contraceptive method during treatment and for 90 days after stopping treatment and should not father a child or donate sperm during this period.
Exclusion Criteria:
- Patients with a history of other malignancies, except: adequately treated non-melanoma skin cancer, or other solid tumours curatively treated with no evidence of disease for ≥ 5 years.
- Patients with central nervous system (CNS) involvement unless at least 4 weeks from prior therapy completion (including radiation and/or surgery) AND clinically stable and not receiving steroids and/or enzyme-inducing anti-epileptic medications for brain metastases.
Patients with serious illnesses or medical conditions which could cause unacceptable safety risks or would not permit the patient to be managed according to the protocol. This includes but is not limited to:
- active infection requiring systemic therapy;
- uncontrolled/severe cardiovascular disease
- active or known human immunodeficiency virus (HIV);
- Patients who are unable to swallow oral medication and/or have impairment of gastrointestinal (GI) function or GI disease that may significantly alter the absorption of the study drugs (e.g. ulcerative diseases, uncontrolled nausea, vomiting, diarrhea, malabsorption syndrome, or small bowel resection).
- Patients with history of hypersensitivity to palbociclib or any of its excipients.
Patients who have been treated with prior CDK4/6 inhibitors, mTOR inhibitors or strontium-89 at any time or require continued or concurrent treatment with:
- Systemic corticosteroids at a dose equivalent to prednisone > 10 mg daily. Topical applications (e.g. rash), inhaled sprays (e.g. obstructive airways diseases), eye drops or local injections (e.g. intra-articular) are allowed.
- Any medications or substances that are potent/strong inhibitors or inducers of CYP3A isoenzymes. All patients must have discontinued these medications at least 7 days prior to the first dose of protocol treatment (at least 14 days for herbal/dietary supplements and traditional Chinese medicines).
- Bisphosphonates / denosumab for reasons other than hypercalcemia, osteoporosis or skeletal-related events.
- Warfarin or other coumarin-derived anticoagulant for treatment, prophylaxis or otherwise. Therapy with heparin, low molecular weight heparin (LMWH), factor X inhibitors or fondaparinux is allowed.
- Other anti-cancer or investigational agents (except LHRH)
- Patients with a history of non-compliance to medical regimens.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Palbociclib
125mg orally days 1-21 every 28 day cycle
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125 mg orally on days 1-21 each 28 day cycle
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Clinical benefit rate estimated by proportion of evaluable patients who had CR, PR or SD as their best response to treatment
Time Frame: 36 months
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Clinical benefit is defined as one of the following:
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36 months
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Progression-free survival
Time Frame: 36 months
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36 months
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Overall survival
Time Frame: 36 months
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36 months
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Number and severity of adverse events
Time Frame: 36 months
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36 months
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Effect of Palbociclib on PSA decline based on decrease in PSA test values from the baseline value
Time Frame: 36 months
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36 months
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Objective response determined by RECIST 1.1
Time Frame: 36 months
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36 months
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Study Chair: Kim Chi, BCCA - Vancouver Cancer Centre, BC Canada
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Genital Neoplasms, Male
- Prostatic Diseases
- Urogenital Diseases
- Male Urogenital Diseases
- Genital Diseases, Male
- Genital Diseases
- Prostatic Neoplasms
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Antineoplastic Agents
- Protein Kinase Inhibitors
- Palbociclib
Other Study ID Numbers
- I223
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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