Status:

COMPLETED

Relative Bioavailability Study of Enzalutamide in Prostate Cancer Patients

Lead Sponsor:

Astellas Pharma Europe B.V.

Collaborating Sponsors:

Medivation, Inc.

Conditions:

Prostate Cancer

Pharmacokinetics of Enzalutamide

Eligibility:

MALE

18+ years

Phase:

PHASE1

Brief Summary

A multiple dose relative bioavailability study in patients with prostate cancer comparing a capsule and a tablet formulation of enzalutamide.

Eligibility Criteria

Inclusion

  • Histologically confirmed prostate cancer (all stages) for whom androgen deprivation therapy is indicated (except when indicated in a neoadjuvant/adjuvant setting). Subjects may be on ongoing androgen deprivation therapy with a gonadotropin releasing hormone (GnRH) analogue or orchiectomy (i.e., medical or surgical castration) at study entry.
  • Progressive disease by Prostate-specific antigen (PSA) or imaging. Disease progression for study entry is defined as one or more of the following 3 criteria:
  • PSA progression defined by a minimum of 2 rising PSA levels with an interval of ≥1 week between each determination. The PSA value during the pre-investigational period should be ≥2 μg/L (2 ng/mL);
  • Soft tissue disease progression defined by the Response Evaluation Criteria in Solid Tumors, version 1.1 (RECIST 1.1) for soft tissue disease
  • Bone disease progression defined by two or more new lesions on bone scan

Exclusion

  • Treatment with chemotherapy within 4 weeks prior to enrollment (Day 1 visit) or plans to initiate treatment with chemotherapy during the study.
  • History of seizure or any condition that may predispose to seizure. Also, history of loss of consciousness, or transient ischemic attack within 12 months prior to enrollment (Day 1 visit).
  • Patients who previously received treatment with Enzalutamide.
  • Concomitant use of drugs that are potent inducers and/or inhibitors of CYP3A4 and CYP2C8.
  • Confirmed CYP2C8 poor metabolizer status based on genotyping analysis.

Key Trial Info

Start Date :

November 1 2012

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

October 1 2013

Estimated Enrollment :

27 Patients enrolled

Trial Details

Trial ID

NCT01902251

Start Date

November 1 2012

End Date

October 1 2013

Last Update

September 9 2014

Active Locations (4)

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Page 1 of 1 (4 locations)

1

University of Colorado - Anschutz Medical Campus

Denver, Colorado, United States, 80045

2

University of Chicago Medical Center

Chicago, Illinois, United States, 60637

3

University of Pittsburgh Medical Center

Pittsburgh, Pennsylvania, United States, 15232

4

South Texas Accelerated Research Therapeutics

San Antonio, Texas, United States, 78229