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A Study of JNJ-101556143 With Best Supportive Care in Participants With Metastatic Prostate Cancer

2 november 2026 bijgewerkt door: Janssen Research & Development, LLC

A Phase 3 Randomized, Double-blind, Placebo-controlled Study of JNJ-101556143, a Regulated Induced Proximity Targeting Chimera (RIPTAC™) Therapeutic Plus Best Supportive Care Versus Best Supportive Care in Participants With Metastatic Androgen Pathway Modulation-Resistant Prostate Cancer

The purpose of this study is to evaluate how well JNJ-101556143 plus Best Supportive Care (BSC) improves overall survival (the length of time a participant remains alive) compared with placebo plus BSC in participants with metastatic androgen pathway modulation-resistant prostate cancer (mAPMR). mAPMR is an advanced form of prostate cancer that has spread to other parts of the body and no longer responds to hormone treatments designed to block male hormones (androgens).

Studie Overzicht

Studietype

Ingrijpend

Inschrijving (Geschat)

400

Fase

  • Fase 3

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studiecontact

Studie Locaties

      • Haifa, Israël, 3109601
        • Werving
        • Rambam Medical Center
    • Texas
      • El Paso, Texas, Verenigde Staten, 79915
        • Werving
        • Renovatio Clinical 1
      • The Woodlands, Texas, Verenigde Staten, 77380
        • Werving
        • Renovatio Clinical
    • Utah
      • Murray, Utah, Verenigde Staten, 84107
        • Werving
        • Summit Urology Folio Clinical Research

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

18 jaar en ouder (Volwassen, Oudere volwassene)

Accepteert gezonde vrijwilligers

Nee

Geslachten die in aanmerking komen voor studie

Mannelijk

Beschrijving

Inclusion Criteria:

  • Have histologically confirmed adenocarcinoma of the prostate. Primary (or pathologic evidence of conversion to) small cell carcinoma, carcinoid tumor, mixed neuroendocrine carcinoma, large cell neuroendocrine carcinoma, or sarcoma of the prostate is disallowed
  • Progressive metastatic androgen pathway modulation-resistant prostate cancer (mAPMR) defined as having a Prostate-Specific Antigen (PSA) level greater than or equal (>=) 10 nanograms per milliliter (ng/mL) and at least one of the following: (a) PSA progression defined as at least 2 consecutive increases in PSA value over a previous reference value measured at least 1 week apart. (b) Progressive disease or new lesion(s) in the lymph nodes, bones, or viscera on conventional imaging (computed tomography [CT]/magnetic resonance imaging [MRI]) as defined by response evaluation criteria in solid tumors version 1.1 (RECIST v1.1) and/or on bone scan per Prostate Cancer Working Group 4 (PCWG4) while on Androgen Deprivation Therapy (ADT) (either surgically [bilateral orchiectomy] or with medication)
  • Participants should have had all life-prolonging therapies for which they are clinically eligible in the opinion of the investigator and to which they have access
  • Prior bilateral orchiectomy or medical castration (receiving ongoing ADT with a Gonadotropin-Releasing Hormone (GnRH) analog [agonist or antagonist]) with castrate level of serum testosterone (less than [<] 50 nanograms per deciliter [ng/dL] or 1.7 nanomoles per liter [nmol/L]) prior to the first dose of trial intervention and must continue this therapy throughout the treatment phase
  • Have discontinued concurrent use of any non-investigational systemic anticancer therapy (that is, cytotoxic chemotherapy, Androgen Receptor Pathway Inhibitor (ARPI), radiation therapy) non-sponsor investigational drugs within 2 weeks or Lutetium-177 Prostate-Specific Membrane Antigen-617 (177^Lu PSMA-617) within 4 weeks prior to randomization and may not have participated in an investigational trial within the sponsor's development program within 6 months prior to randomization
  • Toxicity related to prior anticancer treatment that is deemed clinically relevant must have resolved to common terminology criteria for adverse events (CTCAE) Version 6.0 Grade 1 or better

Exclusion Criteria:

  • Acute or chronic uncontrolled renal disease, pancreatitis, or liver disease (with exception of patients with Gilbert's Syndrome, asymptomatic gallstones, liver metastases, or stable chronic liver disease per investigator assessment)
  • Suspected or known allergies, hypersensitivity, or intolerance to JNJ-101556143 or its excipients
  • Had major surgery or had significant traumatic injury less than or equal to 28 days of the first dose of trial intervention
  • Spinal cord compression unless considered to have received definitive treatment for this and evidence of clinically stable disease for 28 days
  • Solid organ or bone marrow transplantation

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Behandeling
  • Toewijzing: Gerandomiseerd
  • Interventioneel model: Parallelle opdracht
  • Masker: Dubbele

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: JNJ-101556143 + Best Supportive Care

Participants will receive JNJ-101556143 orally once daily along with Best Supportive Care. Treatment will continue until discontinuation criteria are met.

Participants will receive JNJ-101556143 orally.

Best supportive care may include palliative external beam radiation, low dose steroids, pain medication, bone sparing agents, and clinically indicated palliative procedures.

Placebo-vergelijker: Placebo + Best Supportive Care

Participants will receive matching placebo orally once daily along with Best Supportive Care. Treatment will continue until discontinuation criteria are met.

Participants will receive matching placebo orally.

Best supportive care may include palliative external beam radiation, low dose steroids, pain medication, bone sparing agents, and clinically indicated palliative procedures.

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Overall Survival (OS)
Tijdsspanne: Up to 21 months

OS is defined as the time from randomization to date of death from any cause.

Up to 21 months

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Radiographic Progression-Free Survival (rPFS)
Tijdsspanne: Up to 21 months

rPFS is defined as the time from the date of randomization until the date of radiographic disease progression or death, whichever comes first as per response evaluation criteria in solid tumors version 1.1 (RECIST v1.1) and Prostate Cancer Working Group 4 (PCWG4) criteria.

Up to 21 months
Progression-Free Survival (PFS)
Tijdsspanne: Up to 21 months

PFS is defined as the time from randomization until disease progression or death, whichever occurs first.

Up to 21 months
Time to Symptomatic Progression (TSP)
Tijdsspanne: Up to 21 months

TSP is defined as the time from the date of randomization to the date of the first occurrence of any of the following: The use of external beam radiation for palliative treatment; need for tumor-related orthopedic surgical intervention; other cancer-related procedures; cancer-related morbid events and initiation of a new systemic anticancer therapy because of cancer symptoms.

Up to 21 months
Time to Skeletal-Related Events (TSRE)
Tijdsspanne: Up to 21 months

TSRE is defined as the time from the date of randomization to the date of the first occurrence of any of the following (whichever occurs first):

  • The use of external beam radiation therapy to relieve skeletal symptoms.
  • The need for tumor-related orthopedic surgical intervention.
  • The occurrence of new bone fractures (cancer-related; vertebral or non-vertebral).
  • The occurrence of tumor-related spinal cord compression.
Up to 21 months
Time to Pain Progression (TTPP)
Tijdsspanne: Up to 21 months

TTPP is defined as the time from the date of randomization to first observation of pain progression. Pain progression is defined as an increase of >=2 points from baseline in the BPI-SF worst pain intensity (item 3) observed at 2 consecutive evaluations >=3 weeks apart with no decrease in analgesic dose.

Up to 21 months
Number of Participants with Treatment-Emergent Adverse Event (TEAE) by Severity
Tijdsspanne: Up to 21 months

An adverse event (AE) is any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. An SAE is an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. Severity will be graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE). Severity scale defined as Grade 1= Mild, Grade 2= Moderate, Grade 3= Severe, Grade 4= Life-threatening and Grade 5= Death related to adverse event.

Up to 21 months
Number of Participants with Abnormalities in Clinical Laboratory Tests
Tijdsspanne: Up to 21 months

Participants with abnormalities in clinical laboratory tests will be reported.

Up to 21 months
Plasma Concentration of JNJ-101556143
Tijdsspanne: Pre-dose for Cycles 1 to 4; 2 to 3 hours and 4 to 8 hours Post-dose from Cycles 1 to 2 (each cycle duration is 28 days)

Plasma samples will be analyzed to determine concentrations of JNJ-101556143 using a validated LC-MS/MS method.

Pre-dose for Cycles 1 to 4; 2 to 3 hours and 4 to 8 hours Post-dose from Cycles 1 to 2 (each cycle duration is 28 days)

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Onderzoekers

  • Studie directeur: Janssen Research & Development, LLC Clinical Trial, Janssen Research & Development, LLC

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Werkelijk)

29 oktober 2026

Primaire voltooiing (Geschat)

14 februari 2028

Studie voltooiing (Geschat)

18 augustus 2028

Studieregistratiedata

Eerst ingediend

26 oktober 2026

Eerst ingediend dat voldeed aan de QC-criteria

26 oktober 2026

Eerst geplaatst (Werkelijk)

30 oktober 2026

Updates van studierecords

Laatste update geplaatst (Werkelijk)

3 november 2026

Laatste update ingediend die voldeed aan QC-criteria

2 november 2026

Laatst geverifieerd

1 november 2026

Meer informatie

Termen gerelateerd aan deze studie

Andere studie-ID-nummers

  • 101556143PCR3001
  • 101556143PCR3001 (Andere identificatie: Janssen Research & Development, LLC)
  • 2026-527547-18-00 (Register-ID: EUCT number)

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

JA

Beschrijving IPD-plan

The data sharing policy of Johnson & Johnson Innovative Medicine is available at innovativemedicine.jnj.com/our-innovation/clinical-trials/transparency. As noted on this site, requests for access to the study data can be submitted through Yale Open Data Access (YODA) Project site at yoda.yale.edu

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Ja

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .

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