Actively Recruiting

Phase 1
Age: 18Years +
MALE
NCT05818683

A Study of Pasritamig (JNJ-78278343) in Combination With Other Agents for Metastatic Prostate Cancer

Led by Janssen Research & Development, LLC · Updated on 2026-05-08

300

Participants Needed

15

Research Sites

264 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The purpose of this study is to identify the recommended phase 2 regimen(s) RP2R(s) of pasritamig and combination regimens in Part 1 (dose escalation) and to determine safety at the putative RP2R(s) of pasritamig with the combination regimens in Part 2 (dose expansion).

CONDITIONS

Official Title

A Study of Pasritamig (JNJ-78278343) in Combination With Other Agents for Metastatic Prostate Cancer

Who Can Participate

Age: 18Years +
MALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Male participants aged 18 years or older
  • Diagnosis of metastatic castration-resistant prostate cancer (mCRPC) with confirmed adenocarcinoma as per PCWG3 criteria or metastatic hormone-sensitive prostate cancer (mHSPC) with specific PSA levels
  • Measurable or evaluable disease (except for Part 2H)
  • Prior treatment with at least one androgen receptor pathway inhibitor (ARPI) or chemotherapy as specified for each study part
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
  • Adequate organ function as determined by study assessments
Not Eligible

You will not qualify if you...

  • Active autoimmune disease within 12 months requiring systemic immunosuppressive medication
  • Ongoing toxicity from prior anticancer therapy greater than Grade 1 (except certain conditions like alopecia and mild neuropathy)
  • History of solid organ or bone marrow transplant
  • Known allergies or intolerance to study drugs or their components
  • Significant infections or serious medical conditions affecting lung, heart, or other organs

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 15 locations

1

Florida Cancer Specialists

Sarasota, Florida, United States, 34232

Actively Recruiting

2

Start Midwest

Grand Rapids, Michigan, United States, 49546

Actively Recruiting

3

Washington University School Of Medicine

St Louis, Missouri, United States, 63110

Actively Recruiting

4

Perlmutter Cancer Center at NYU Langone Brooklyn

Brooklyn, New York, United States, 11223

Actively Recruiting

5

Laura & Isaac Perlmutter Cancer Center at NYU Langone Hospital - Long Island

Mineola, New York, United States, 11501

Actively Recruiting

6

NYU Langone Health

New York, New York, United States, 10016

Actively Recruiting

7

Sidney Kimmel Cancer Center - Jefferson Health

Philadelphia, Pennsylvania, United States, 19107

Actively Recruiting

8

Icon Cancer Centre Kurralta Park

Kurralta Park, Australia, 5037

Actively Recruiting

9

Macquarie University

Macquarie University, Australia, 2109

Actively Recruiting

10

Peter MacCallum Cancer Centre

Melbourne, Australia, 3000

Actively Recruiting

11

Princess Alexandra Hospital

Woolloongabba, Australia, 4102

Actively Recruiting

12

Hosp Univ Vall D Hebron

Barcelona, Spain, 8035

Actively Recruiting

13

Hosp Univ Fund Jimenez Diaz

Madrid, Spain, 28040

Actively Recruiting

14

Hosp. Univ. 12 de Octubre

Madrid, Spain, 28041

Actively Recruiting

15

Hosp Univ Hm Sanchinarro

Madrid, Spain, 28050

Actively Recruiting

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Research Team

S

Study Contact

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SEQUENTIAL

Primary Purpose

TREATMENT

Number of Arms

1

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A Study of Pasritamig (JNJ-78278343) in Combination With Other Agents for Metastatic Prostate Cancer | DecenTrialz