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Contact the study team using the details below to take part. If there are no contact details below please ask your doctor in the first instance.

Contact Information:

Study Contact 844-434-4210
Participate-In-This-Study1@its.jnj.com


Study Location:

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Be Part of Research - Trial Details - Study of HLD-0915 (JNJ-101556143) in Patients With Metastatic Prostate Cancer

Study of HLD-0915 (JNJ-101556143) in Patients With Metastatic Prostate Cancer

Recruiting

Open to: MALE

Age: 18.0 - N/A

Medical Conditions

Metastatic Prostate Cancer


This information is provided directly by researchers, and we recognise that it isn't always easy to understand. We are working with researchers to improve the accessibility of this information. In some summaries, you may come across links to external websites. These websites will have more information to help you better understand the study.


Assessment of the safety and efficacy of HLD-0915 (JNJ-101556143) in patients with metastatic prostate cancer who have progressed on prior systemic therapies, with further evaluation in additional prostate cancer populations.

Start dates may differ between countries and research sites. The research team are responsible for keeping the information up-to-date.  

The recruitment start and end dates are as follows:

Feb 2025 Aug 2028

INTERVENTIONAL

Intervention Type : DRUG
Intervention Description : Experimental: Oral JNJ-101556143

Intervention Arm Group : JNJ-101556143 Phase 1 Part 1 - Dose Escalation;JNJ-101556143 Phase 1 Part 2 - Formulation Exploration;JNJ-101556143 Phase 2 Part 1 - Dose Optimization;Phase 2 Part 2A - SOAR;Phase 2 Part 2B - HSPC Expansion;Phase 2 Part 2C - HSPC Expansion;Phase 2 Part 2D - HSPC Expansion;

Intervention Type : DRUG
Intervention Description : Experimental: Oral JNJ-101556143

Intervention Arm Group : JNJ-101556143 Phase 1 Part 2 - Formulation Exploration;

Intervention Type : DRUG
Intervention Description : Experimental: Oral JNJ-101556143

Intervention Arm Group : JNJ-101556143 Phase 1 Part 2 - Formulation Exploration;



You can take part if:



You may not be able to take part if:


This is in the inclusion criteria above


Below are the locations for where you can take part in the trial. Please note that not all sites may be open.

  • The Royal Marsden NHS Trust
    Sutton
    SM2 5PT


The study is sponsored by Janssen Research & Development, LLC





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Read full details for Trial ID: NCT06800313
Last updated 24 September 2026

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