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Study details
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A Study of JNJ-78278343 and JNJ-95298177 for Prostate Cancer

Janssen Research & Development, LLC
NCT IDNCT07082920ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1

Target enrollment

140

Study length

about 2.2 years

Ages

18+

Sex

Male only

Locations

4 sites in FL, NY, OH +1

What this study is about

This trial is testing a treatment combination (JNJ-78278343 and JNJ-95298177) to see if it's safe and effective in treating prostate cancer. The goal is to find the best dose of this combination for people with advanced, hormone-resistant prostate cancer.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Take JNJ-78278343
  • 2.Take JNJ-95298177

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Standard

How treatment is administered

Treatment Assignment
All receive treatment

Everyone gets the investigational treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Endpoints

Primary: Number of Participants With Adverse Events (AEs) by Severity, Part 1: Number of Participants With Dose-Limiting Toxicity (DLT)

Secondary: Duration of Response (DOR), Objective Response Rate (ORR), Prostate-Specific Antigen (PSA) Response Rate, Radiographic Progression-Free Survival (rPFS), Time to Response (TTR)

Body systems

Oncology