- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03999515
Erdafitinib and Abiraterone Acetate or Enzalutamide in Treating Patients With Double Negative Prostate Cancer
Erdafitinib Plus Abiraterone Acetate or Enzalutamide in Double Negative Prostate Cancer
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
OUTLINE: Patients receive abiraterone acetate orally (PO) once daily (QD) or enzalutamide PO QD on days 1-21. Patients also receive erdafitinib PO QD on days 1-21. Cycles repeat every 21 days for 2 years in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up at 30 days.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Andrea Rivero
- Phone Number: (206) 667-3490
- Email: ariveroc@seattlecca.org
Study Contact Backup
- Name: Michael Schweizer
- Phone Number: (206)606-6252
- Email: schweize@uw.edu
Study Locations
-
-
Washington
-
Seattle, Washington, United States, 98109
- Fred Hutch/University of Washington Cancer Consortium
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients must be >= 18 years of age prior to signing informed consent
- History of histologically diagnosed prostatic adenocarcinoma
- Participants must have evidence of castration resistant prostate cancer as evidenced by a confirmed rising PSA or radiographic progression (per Prostate Cancer Working Group 3 [PCWG3] criteria) and a castrate serum testosterone level (i.e. =< 50 mg/dL)
- Participants must have previously progressed on abiraterone acetate and/or enzalutamide, with PSA or radiographic progression on the most recent agent per PCWG3 criteria. If the most recent agent received was abiraterone or enzalutamide there should be no washout prior to initiating erdafitinib per protocol
- Measurable disease as defined per RECIST v1.1 criteria
- Subjects who have progressed on only one next-generation AR-directed therapy (e.g. abiraterone, enzalutamide) and who have not received taxane chemotherapy will be required to have evidence of double-negative prostate cancer as defined by immunohistochemistry on biopsy. A fresh metastatic biopsy within 8 weeks is preferred; however, any archival tissue showing a DNPC phenotype will be acceptable for determining eligibility. Patients who have received two prior lines of AR-directed therapy and at least one prior taxane do not require histologic confirmation of DNPC. Note: transcript profiling methods for defining DNPC may be accepted per the PI's discretion
- Eastern Cooperative Oncology Group (ECOG) performance status score =< 2
- Hemoglobin >= 8 g/dL (>= 5 mmol/L) (must be without red blood cell [RBC] transfusion within 7 days prior to the laboratory test)
- Platelets >= 75 x 10^9/L
- Absolute neutrophil count (ANC) >= 1.5 x 10^9/L (prior growth factor support is permitted but must be without support in the 7 days prior to the laboratory test)
- Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) =< 2.5 x upper limit of normal (ULN) or =< 5 x ULN for subjects with liver metastases
- Creatinine clearance >= 40 mL/min/1.73 m^2 based upon modified diet in renal disease formula calculation
- Total bilirubin =< 1.5 x ULN; except in subjects with congenital bilirubinemia, such as Gilbert syndrome
- Corrected QT interval (corrected QT interval by Fridericia [QTcF] or QT corrected interval by the Bazett's formula [QTcB]) =< 480 msec based on the average of triplicate assessments performed approximately 5 minutes apart
- Subjects must agree to use acceptable contraception
- Must sign an informed consent form (ICF) (or their legally acceptable representative must sign) indicating that he or she understands the purpose of, and procedures required for, the study and is willing to participate in the study
Exclusion Criteria:
- Treatment with any other investigational agent or participation in another clinical trial with therapeutic intent within 14 days prior to randomization
- Active malignancies (i.e., requiring treatment change in the last 24 months) other than malignancy under study (except skin cancers within the last 24 months that is considered completely cured)
- Evidence of predominant small cell or neuroendocrine variant prostate cancer on most recent standard of care metastatic biopsy
- Symptomatic central nervous system (CNS) metastases. Treated CNS metastases will be allowed if these are stable for at least 8 weeks prior to enrollment
- Received prior FGFR inhibitor treatment or if the subject has known allergies, hypersensitivity, or intolerance to erdafitinib or its excipients
- Current central serous retinopathy (CSR) or retinal pigment epithelial detachment of any grade
- Has persistent phosphate level > ULN during screening (on 2 consecutive assessments at least 1 week apart, within 14 days of treatment and prior to cycle 1 day 1) and despite medical management
Has a history of or current uncontrolled cardiovascular disease including:
- Unstable angina, myocardial infarction, ventricular fibrillation, Torsades de Pointes, cardiac arrest, or known congestive heart failure class III-V within the preceding 3 months; cerebrovascular accident or transient ischemic attack within the preceding 3 months
- Pulmonary embolism or other VTE (venous thromboembolism) within the preceding 2 months
- Has known active acquired immune deficiency syndrome (AIDS) (human immunodeficiency virus [HIV] infection)
- Hepatitis B infection as defined according to the American Society of Clinical Oncology guidelines. In the event the infection status is unclear, quantitative levels are necessary to determine the infection status. Hepatitis C (anti-hepatitis C virus [HCV] antibody positive or HCV-ribonucleic acid [RNA] quantitation positive) or known to have a history of hepatitis C. If positive, further testing of quantitative levels to rule out positivity is required
- Has not recovered from reversible toxicity of prior anticancer therapy (except toxicities which are not clinically significant such as alopecia, skin discoloration, hot flashes, grade 1 neuropathy, grade 1-2 hearing loss)
- Has impaired wound healing capacity defined as skin/decubitus ulcers, chronic leg ulcers, known gastric ulcers, or unhealed incisions
- Major surgery within 2 weeks of the first dose, or will not have fully recovered from surgery, or has surgery planned during the time the subject is expected to participate in the study or within 2 weeks after the last dose of study drug administration. (Note: subjects with planned surgical procedures to be conducted under local anesthesia may participate
Any serious underlying medical condition, such as:
- Evidence of serious active viral, bacterial, or uncontrolled systemic fungal infection
- Active autoimmune disease or a documented history of autoimmune disease
- Psychiatric conditions (e.g., alcohol or drug abuse), dementia, or altered mental status
- Any other issue that would impair the ability of the subject to receive or tolerate the planned treatment at the investigational site, to understand informed consent or any condition for which, in the opinion of the investigator, participation would not be in the best interest of the subject (e.g., compromise the well-being) or that could prevent, limit, or confound the protocol-specified assessments
- Patient, who, in the opinion of their treating physician, requires immediate treatment (e.g. those with extensive liver metastases)
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 |
---|---|
Experimental: Treatment (abiraterone acetate, enzalutamide, erdafitinib)
Patients receive abiraterone acetate orally PO QD or enzalutamide PO QD on days 1-21.
Patients also receive erdafitinib PO QD on days 1-21.
Cycles repeat every 21 days for 2 years in the absence of disease progression or unacceptable toxicity.
|
Given PO
Other Names:
Given PO
Other Names:
Given PO
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Objective Response Rate
Time Frame: Up to 67 days
|
Will be calculated as the percentage of patients, with 95% confidence intervals, achieving a complete response or partial response across the entire study population at any time.
|
Up to 67 days
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Radiographic Progression Free Survival (PFS)
Time Frame: Up to 67 days
|
Progression free survival is time to progressive disease.
Disease progression is determined by Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 for soft tissue metastases and Prostate Cancer Working Group 3 criteria for bone metastases.
Median progression free survival will be calculated.
|
Up to 67 days
|
Time to Response
Time Frame: Up to 67 days
|
Time to response is the time until a radiographic response occures as determined by RECIST 1.1 criteria.
This cannot be determined since only two patients had re-staging scans on study and neither had a response.
|
Up to 67 days
|
Overall Survival (OS)
Time Frame: From cycle 1, day 1 to the date of death, assessed up to 178 days
|
Overall survival is time to death from any cause.
Median overall survival survival will be calculated.
|
From cycle 1, day 1 to the date of death, assessed up to 178 days
|
Prostate-specific Antigen (PSA) Response
Time Frame: Baseline up to 73 days
|
PSA response will be defined by a > 50% reduction in PSA compared with baseline at any point during treatment.
We will report the percentage of patients who achieve a PSA response.
|
Baseline up to 73 days
|
Incidence and Severity of Adverse Events (AEs)
Time Frame: Within 14 days of end of treatment, an average of 1 year.
|
Will be assessed using version National Cancer Institute Common Terminology Criteria for Adverse Events version 5.0.
Will characterize AEs by type and grade.
Safety will be summarized as the severity and frequency of a given AE.
|
Within 14 days of end of treatment, an average of 1 year.
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Michael Schweizer, Fred Hutch/University of Washington Cancer Consortium
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Neoplasms by Histologic Type
- Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Neoplasms, Glandular and Epithelial
- Genital Neoplasms, Male
- Prostatic Diseases
- Urogenital Diseases
- Male Urogenital Diseases
- Genital Diseases, Male
- Genital Diseases
- Prostatic Neoplasms
- Carcinoma
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Antineoplastic Agents
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Cytochrome P-450 Enzyme Inhibitors
- Hormone Antagonists
- Steroid Synthesis Inhibitors
- Abiraterone Acetate
Other Study ID Numbers
- RG1005038
- NCI-2019-03812 (Registry Identifier: NCI / CTRP)
- 10288 (Other Identifier: Fred Hutch/University of Washington Cancer Consortium)
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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