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Recruiting Phase 1 NCT06095089

NCT06095089 A Study of JNJ-87189401 Combined With JNJ-78278343 for Advanced Prostate Cancer

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Clinical Trial Summary
NCT ID NCT06095089
Status Recruiting
Phase Phase 1
Sponsor Janssen Research & Development, LLC
Condition Prostatic Neoplasms
Study Type INTERVENTIONAL
Enrollment 355 participants
Start Date 2023-11-01
Primary Completion 2027-06-21

Eligibility & Interventions

Sex Male only
Min Age 18 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
JNJ-78278343JNJ-87189401Apalutamide

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 1 is the earliest stage of human testing — safety and dosage are the primary focus. Visits are frequent and medical supervision is intensive. You will be among the first people to receive this treatment.

This trial targets 355 participants in total. It began in 2023-11-01 with a primary completion date of 2027-06-21.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

The purpose of Parts 1, 2A, and 2B of the study is to determine the recommended regimen for Phase 2 (RP2Rs) of combination of JNJ-87189401 with JNJ-78278343 and the purpose of Part 2C of this study is to determine how safe the RP2R(s) of the combination of JNJ-87189401 and JNJ-78278343 is, with or without apalutamide. Part 3 of this study evaluates the safety of the triplet combination of JNJ-87189401 and JNJ-78278343 with standard of care (SOC) lutetium Lu-177 vipivotide tetraxetan. Part 4 of this study further evaluates the safety of the triplet combination of JNJ-87189401 and JNJ-78278343 with JNJ-101556143 in participants with advanced prostate cancer.

Eligibility Criteria

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, Parts 2A, 2B, 3 and 4: 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: * History of an autoimmune disease within the 12 months prior to signing consent * 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

Contact & Investigator

Central Contact

Study Contact

✉ Participate-In-This-Study1@its.jnj.com

📞 844-434-4210

Principal Investigator

Janssen Research & Development, LLC Clinical Trial

STUDY DIRECTOR

Janssen Research & Development, LLC

Frequently Asked Questions

Who can join the NCT06095089 clinical trial?

This trial is open to male participants only, aged 18 Years or older, studying Prostatic Neoplasms. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT06095089 trial and what does that mean for participants?

Phase 1 trials are the first stage of human testing. The primary goal is to assess safety and determine appropriate dosage levels. Participants are closely monitored. These trials typically involve a small number of volunteers.

Is NCT06095089 currently recruiting?

Yes, NCT06095089 is actively recruiting participants. Contact the research team at Participate-In-This-Study1@its.jnj.com for enrollment information.

Where is the NCT06095089 trial being conducted?

This trial is being conducted at Aurora, United States, Atlanta, United States, Minneapolis, United States, East Brunswick, United States and 11 additional locations.

Who is sponsoring the NCT06095089 clinical trial?

NCT06095089 is sponsored by Janssen Research & Development, LLC. The principal investigator is Janssen Research & Development, LLC Clinical Trial at Janssen Research & Development, LLC. The trial plans to enroll 355 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: September 2026  ·  Data Methodology