OncoMatch

OncoMatch/Clinical Trials/NCT05519449

Study of JANX007 in Subjects With Metastatic Castration-Resistant Prostate Cancer (ENGAGER-PSMA-01)

Is NCT05519449 recruiting? Yes, currently enrolling (Jun 2026). This Phase 1 trial studies multiple treatments including JANX007 and Darolutamide for prostate cancer.

Phase 1RecruitingJanux TherapeuticsNCT05519449Data as of Jun 2026Location: United States · Australia

Treatment: JANX007 · DarolutamideThis study is a first-in-human, Phase 1, open-label, multicenter study to assess the safety, tolerability, pharmacokinetic (PK), pharmacodynamic (PD), and the preliminary efficacy of JANX007 in adults with metastatic castration-resistant prostate cancer (mCRPC).

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Extracted eligibility criteria

Treatments studied

Endocrine / hormonal

Darolutamide

Other

JANX007

Cancer type

Prostate Cancer

Disease stage

Metastatic disease required

Demographics

Ages ≤ 100
Male only

Prior therapy

Must have received: antiandrogen — HSPC or CRPC

progressed after at least one novel anti-androgen therapy

Must have received: taxane

at least one taxane containing regimen. Participants who have actively refused a taxane containing regimen or are medically unsuitable to receive taxane are eligible

Cannot have received: PSMA-targeted CAR-T cell therapy

Prior treatment with PSMA-targeted CAR-T cell therapy

Cannot have received: PSMA-CD3 bispecific antibody

Prior treatment with PSMA-CD3, PSMA-CD28 or other CD3 T-cell engaging bispecific antibodies

Cannot have received: radioligand therapy

Prior treatment with ... radioligand therapy

Lab requirements

Blood counts

Kidney function

Liver function

Adequate organ function

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • University of Alabama at Birmingham Hospital · Birmingham, Alabama
  • Mayo Clinic · Phoenix, Arizona
  • USC Norris Comprehensive Cancer Center · Los Angeles, California
  • UCLA Department of Medicine · Los Angeles, California
  • Hoag Memorial Hospital Presbyterian · Newport Beach, California

Showing up to 5 US sites.

See all sites on ClinicalTrials.gov →

Frequently asked questions

Is NCT05519449 currently recruiting?

Yes, this trial is currently recruiting patients.

Are there prior therapy exclusions?

Yes. Prior PSMA-targeted CAR-T cell therapy, PSMA-CD3 bispecific antibody, radioligand therapy disqualifies patients from enrollment.

Is there an age limit?

Yes. Patients must be 100 years or younger.

Is this trial open to female patients?

No. This trial enrolls male patients only.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

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