A Phase 2 Study of Trabectedin (Yondelis) in Adult Male Participants With Advanced Prostate Cancer

Johnson & Johnson Pharmaceutical Research & Development, L.L.C.59 enrolled

Overview

The purpose of this study is to evaluate safety and efficacy of trabectedin (ET-743) in adult male participants with advanced metastatic (spread of cancer cells from one part of the body to another) prostate cancer.

This is an open-label (all people know the identity of the intervention), non-randomized, multi-center and Phase 2 study in adult male participants with advanced metastatic prostate cancer. The study consists of 3 parts: Screening (consists of 14 days before study commences on Day -1); Treatment (consists of 4-week dosing cycles wherein trabectedin will be administered as intravenously at a dose of either 0.58 milligram per square meter \[mg/m\^2\] weekly 3-hour infusion, or 1.5 mg/m\^2 or 1.2 mg/m\^2 every three weeks 24-hour infusion); and Follow-up (until survival after the first dose of trabectedin). Participants will discontinue study treatment at disease progression or unacceptable toxicity unless, in the Investigator's opinion, it is deemed that the participants will continue to derive benefit from trabectedin. Efficacy will be evaluated primarily through decline in prostate-specific antigen (substance in blood that is measured to check for prostate cancer) after 72 hours of therapy on Day 1. Participants' safety will be monitored throughout the study.

Study Type

INTERVENTIONAL

Allocation

NON_RANDOMIZED

Purpose

TREATMENT

Masking

NONE

Enrollment

Conditions

Prostate Cancer

Interventions

TrabectedinDRUG

Trabectedin will be administered intravenously as either 0.58 milligram per square meter (mg/m\^2) weekly as 3-hour infusion or 1.5 mg/m\^2 or 1.2 mg/m\^2 every three weeks as 24-hour infusion until disease progression or unacceptable toxicity.

Eligibility

Sex: MALEMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Histologically confirmed adenocarcinoma of the prostate * Radiographically documented metastatic disease * Surgical or chemical castration * Prostate-specific antigen greater than or equal to (\>=) 5 nanogram per milliliter (ng/ml) * Eastern Cooperative Oncology Group performance status of 0, 1, or 2 * Androgen Independent disease Exclusion Criteria: * Treatment with chemotherapy or radiation therapy that was terminated at least 4 weeks before study entry * Treatment with extensive external beam radiation therapy or radionuclide therapy within 6 weeks of study entry (palliative radiation involving less than 20 percent of bone marrow reserves must have been completed at least 4 weeks before study entry) * Participant not employing adequate contraception * Other serious illness or medical conditions as : Uncontrolled congestive heart failure or history of myocardial infection or active angina pectoris within six months preceding registration; active infectious process; chronic active liver disease, including chronic Hepatitis B, chronic Hepatitis C, or cirrhosis

Locations (1)

Massachusetts General Hospital

Boston, Massachusetts, United States

Outcomes

Primary Outcomes

Percentage of Participants Achieving Prostate-Specific Antigen (PSA) Response

The PSA response will be evaluated according to National Cancer Institute PSA Working Group criterion, which is, greater than or equal to 50 percent decrease in PSA from Baseline after the first dose of study drug, which would be subsequently confirmed by a measurement, that is, at least 4 or more weeks after initial documentation of PSA.

Time frame: Day 1 of each cycle until first documented disease progression up to 4 years

Secondary Outcomes

Duration of Prostate-Specific Antigen Response

Duration of Prostate-Specific Antigen (PSA) response will be analyzed in all participants for whom a response will be observed. The Duration of a PSA response is the time from a PSA response to PSA progression.

Time frame: Day 1 of each cycle until first documented disease progression up to 4 years

Time to disease progression

Time to disease progression is defined as the time period, from initiation of study treatment until documentation of disease progression. If participant will discontinue the study or lost to follow-up without progression or receive further anticancer therapy after study treatment discontinuation in absence of progression, time to progression will be censored at the time of the last PSA evaluation recorded.

Time frame: Day 1 of each cycle until first documented disease progression up to 4 years

Data from ClinicalTrials.gov

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