Erdafitinib and Abiraterone Acetate or Enzalutamide in Treating Patients With Double Negative Prostate Cancer

  • STATUS
    Recruiting
  • End date
    Mar 12, 2023
  • participants needed
    25
  • sponsor
    University of Washington
Updated on 16 May 2022
cancer
measurable disease
direct bilirubin
gilbert's syndrome
testosterone
metastasis
neutrophil count
liver metastasis
tumor cells
abiraterone
enzalutamide
testosterone level
serum testosterone
adenocarcinoma
adenocarcinoma of prostate

Summary

This phase II trial studies how well erdafitinib in combination with abiraterone acetate or enzalutamide works in treating patients with double negative prostate cancer. Erdafitinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Testosterone can cause the growth of prostate cancer cells. Abiraterone acetate lowers the amount of testosterone made by the body. This may help stop the growth of tumor cells that need testosterone to grow. Enzalutamide blocks the use of testosterone by the tumor cells. Giving erdafitinib with abiraterone acetate or enzalutamide may work better in treating patients with prostate cancer compared to abiraterone acetate or enzalutamide alone.

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.

Details
Condition Castration-Resistant Prostate Carcinoma, Double-Negative Prostate Carcinoma, Metastatic Prostate Carcinoma, Prostate Adenocarcinoma, Stage IV Prostate Cancer AJCC v8, Stage IVA Prostate Cancer AJCC v8, Stage IVB Prostate Cancer AJCC v8
Treatment Enzalutamide, abiraterone acetate, Erdafitinib
Clinical Study IdentifierNCT03999515
SponsorUniversity of Washington
Last Modified on16 May 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

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 must 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. 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
Patient, who, in the opinion of their treating physician, requires immediate treatment (e.g. those with extensive liver metastases)
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
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