A Study of JNJ-87189401 Plus JNJ-78278343 for Advanced Prostate Cancer

NCT ID: NCT06095089

Last Updated: 2025-11-10

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

250 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-11-01

Study Completion Date

2027-10-27

Brief Summary

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The purpose of the study is to determine the recommended regimen for Phase 2 (RP2Rs) of combination of JNJ-87189401 with JNJ-78278343 (Part 1: dose escalation) and further evaluate the safety at RP2Rs (Part 2: dose expansion) in participants with advanced prostate cancer.

Detailed Description

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Conditions

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Advanced Prostate Cancer

Study Design

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Allocation Method

NA

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Part 1 (Dose Escalation) and Part 2 (Dose Expansion)

Participants will receive JNJ-78278343+JNJ-87189401 escalated sequentially in Part 1 to select a recommended Phase 2 regimen (RP2R). Participants will receive the combination treatment at the RP2R in Part 2 in different disease settings.

Group Type EXPERIMENTAL

JNJ-78278343

Intervention Type DRUG

JNJ-78278343 will be administered.

JNJ-87189401

Intervention Type DRUG

JNJ-87189401 will be administered.

Interventions

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JNJ-78278343

JNJ-78278343 will be administered.

Intervention Type DRUG

JNJ-87189401

JNJ-87189401 will be administered.

Intervention Type DRUG

Other Intervention Names

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KLK2-CD3 Pasritamig PSMAxCD28

Eligibility Criteria

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Inclusion Criteria

* Histologically confirmed adenocarcinoma of the prostate. Adenocarcinoma with small cell or neuroendocrine (NE) features is permitted. However, small cell carcinoma, carcinoid tumor, mixed NE carcinoma, or large cell NE carcinoma is disallowed
* Measurable or evaluable disease per PCWG3 criteria
* Part 1, Part 2A and Part 2B: Prior orchiectomy or medical castration; participants who have not undergone orchiectomy, must be receiving ongoing androgen deprivation therapy with a gonadotropin releasing hormone (GnRH) analog (agonist or antagonist), prior to the first dose of study drug and must continue this therapy throughout the treatment phase
* Have an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1

Exclusion Criteria

* Active autoimmune disease within the 12 months prior to signing consent that requires systemic immunosuppressive medications (example, chronic corticosteroids, methotrexate, or tacrolimus)
* Any of the following within 6 months prior to signature of informed consent: a. myocardial infarction, b. severe or unstable angina, c. clinically significant ventricular arrhythmias, d. congestive heart failure (New York Heart Association \[NYHA\] class II to IV), e. transient ischemic attack, and f. Cerebrovascular accident
Minimum Eligible Age

18 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

No

Sponsors

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Janssen Research & Development, LLC

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Janssen Research & Development, LLC Clinical Trial

Role: STUDY_DIRECTOR

Janssen Research & Development, LLC

Locations

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University of Colorado Anschutz Medical Campus

Aurora, Colorado, United States

Site Status RECRUITING

Herbert Irving Comprehensive Cancer Center Columbia University Medical Center

New York, New York, United States

Site Status RECRUITING

South Texas Accelerated Research Therapeutics, LLC (START)

San Antonio, Texas, United States

Site Status RECRUITING

Centre Leon Berard

Lyon, , France

Site Status RECRUITING

Institut Gustave Roussy

Villejuif, , France

Site Status RECRUITING

Countries

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Netherlands United States France

Central Contacts

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Study Contact

Role: CONTACT

Phone: 844-434-4210

Email: [email protected]

Other Identifiers

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87189401PCR1001

Identifier Type: OTHER

Identifier Source: secondary_id

2023-504063-17-00

Identifier Type: REGISTRY

Identifier Source: secondary_id

CR109330

Identifier Type: -

Identifier Source: org_study_id