Status:

RECRUITING

A Study of JNJ-78278343, a T-Cell-Redirecting Agent Targeting Human Kallikrein 2 (KLK2), for Advanced Prostate Cancer

Lead Sponsor:

Janssen Research & Development, LLC

Conditions:

Prostatic Neoplasms

Eligibility:

MALE

18+ years

Phase:

PHASE1

Brief Summary

The purpose of this study is to determine the recommended phase 2 dose(s) (RP2Ds) of JNJ-78278343 in Part 1 (Dose Escalation) and the safety at the RP2Ds in Part 2 (Dose Expansion).

Eligibility Criteria

Inclusion

  • Confirmed adenocarcinoma of the prostate which has spread to other body parts
  • Part 1: Prior treatment with at least 1 prior novel androgen receptor (AR)-targeted therapy or chemotherapy
  • Measurable or evaluable disease
  • Concurrent use of any other anticancer treatment must be discontinued for at least 2 weeks before the first dose of study drug
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
  • Prior surgical removal of testicles; or, for participants who have not undergone surgical removal of testicles, must be receiving ongoing androgen deprivation therapy (ADT) with a gonadotropin releasing hormone analog

Exclusion

  • Disease conditions
  • Active central nervous system (CNS) involvement
  • Toxicity related to prior anticancer therapy has not adequately recovered
  • Prior/Concomitant Therapy
  • Prior treatment with human kallikrein (KLK) 2-targeted therapy
  • Received, or are receiving, medications that suppress the immune system within 3 days prior to the first dose of study drug
  • Received or plans to receive any live, attenuated vaccine within 4 weeks prior to the first dose of study drug
  • Prior/Concurrent Medical Conditions
  • Diagnosis of cancer other than prostate cancer within 2 years prior to the first dose of study drug
  • Solid organ or bone marrow transplantation
  • Major clotting diseases within one month prior to the first dose of study drug
  • Active autoimmune disease within 12 months prior to the first dose of study drug
  • Active infection
  • Major diseases of heart and blood vessels within 6 months prior to the first dose of study drug
  • Clinically significant lung diseases
  • Active or chronic hepatitis B or hepatitis C infection
  • Known positive test result for human immunodeficiency virus (unless stable on antiretroviral therapy with undetectable viral load)
  • Any serious underlying medical conditions or other issue that would impair the ability of the participant to receive or tolerate the planned treatment

Key Trial Info

Start Date :

July 13 2021

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

February 10 2027

Estimated Enrollment :

216 Patients enrolled

Trial Details

Trial ID

NCT04898634

Start Date

July 13 2021

End Date

February 10 2027

Last Update

December 11 2025

Active Locations (17)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 5 (17 locations)

1

Columbia University Medical Center Herbert Irving Pavilion

New York, New York, United States, 10032

2

Memorial Sloan Kettering Cancer Center

New York, New York, United States, 10065

3

University of Washington

Seattle, Washington, United States, 98195-9472

4

Peking University Third Hospital

Beijing, China, 100191