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A Two-dose Level Clinical Trial of Itraconazole in Patients With Metastatic Prostate Cancer Who Have Had Disease Progression While on Hormonal Therapy

Basic Trial Information
Trial Description
     Summary
     Further Trial Information
     Eligibility Criteria
Trial Contact Information

Basic Trial Information

PhaseTypeStatusAgeSponsorProtocol IDs
Phase IITreatmentCompleted18 and overOtherJ0932
JHMI-IRB number: NA_00027099, NCT00887458

Trial Description

Summary

This research is being done to test an investigational drug, called itraconazole, in the treatment of prostate cancer. Itraconazole is approved by the Food and Drug Administration (FDA) for the treatment of various fungal infections such as fingernail/toenail infections and other more serious fungal infections. The word "investigational" means that itraconazole is not approved for use in people with cancer. However, the FDA is allowing the use of itraconazole in this research study. Itraconazole has been shown to have activity against cancer (including prostate cancer) in the laboratory, but has not been tested against cancer in humans.

The purpose of this study is to find out:

  • If itraconazole is safe when given at two different doses
  • How itraconazole affects prostate specific antigen (PSA): a blood test that measures substances released by prostate cancer
  • Whether itraconazole can delay further prostate cancer growth and spread
  • How itraconazole affects other markers of prostate cancer

Further Study Information

Itraconazole is an oral, generic, and commercially available antifungal drug with a long safety record when used at doses ranging from 200 to 600 mg daily.

Itraconazole has been shown in cellular and animal models to be a potent angiogenesis inhibitor as well as a Hedgehog pathway antagonist; both pathways are considered important in prostate cancer. Itraconazole has not previously been tested as an antineoplastic agent, but given its well-established safety profile, the gap between further preclinical studies and human clinical trials can be narrowed to accelerate development of this agent as a putative anticancer drug. We hypothesize that itraconazole will prevent PSA progression in a significant proportion of men with metastatic CRPC and that it will have an acceptable safety profile at both doses. Itraconazole may ultimately delay the need for chemotherapy in these men.

Eligibility Criteria

Inclusion Criteria:

  • Histologically or cytologically confirmed prostate adenocarcinoma.
  • Presence of distant metastases on bone scan, CT scan, or MRI scan.
  • Progression after androgen deprivation (and anti-androgen withdrawal).
  • Rising serum PSA (Prostate Cancer Working Group (PCWG2) definition).
  • Castrate levels of serum testosterone (i.e., ≤ 50 ng/dL).
  • Age > 18 years.
  • ECOG performance status score ≤ 2, and/or Karnofsky score ≥ 50%.
  • Life expectancy > 6 months.
  • Adequate kidney, liver, and bone marrow function.
  • Willingness to sign informed consent and adhere to study requirements.

Exclusion Criteria:

  • Recent surgery, radiation therapy, combined androgen blockade, or investigational therapies in the last 8 weeks.
  • Previous chemotherapy for metastatic prostate cancer.
  • Concomitant use of second-line hormonal agents (e.g., ketoconazole, DES)
  • Current use of corticosteroids, except if on a stable dose for ≥ 3 months.
  • History of malabsorption syndrome (may affect itraconazole absorption).
  • Allergic reactions to itraconazole or similar compounds.
  • Concurrent use of drugs that interact with the CYP3A4 system (caution only).
  • Presence of known brain metastases.
  • Prior malignancy in the last 3 years, with some exceptions.
  • Uncontrolled major infectious, cardiac, or pulmonary illnesses.
  • Prolonged corrected QT interval (> 450 msec) on electrocardiography.

Trial Contact Information

Trial Lead Organizations/Sponsors

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

Memorial Sloan-Kettering Cancer Center

Michael A. CarducciPrincipal Investigator

Link to the current ClinicalTrials.gov record.
NLM Identifer NCT00887458
ClinicalTrials.gov processed this data on February 27, 2014

Note: Information about this trial is from the ClinicalTrials.gov database. The versions designated for health professionals and patients contain the same text. Minor changes may be made to the ClinicalTrials.gov record to standardize the names of study sponsors, sites, and contacts. Cancer.gov only lists sites that are recruiting patients for active trials, whereas ClinicalTrials.gov lists all sites for all trials. Questions and comments regarding the presented information should be directed to ClinicalTrials.gov.

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