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

2. november 2026 oppdatert av: Janssen Research & Development, LLC

A Phase 2, Open-label, Multicenter, Single-arm Trial of JNJ-101556143, an Androgen Receptor-targeted Regulated Induced Proximity Targeting Chimera (RIPTAC™) Therapeutic in Participants With Metastatic Androgen Pathway Modulation-Resistant Prostate Cancer

The purpose of this study is to evaluate how well JNJ-101556143 works in participants with metastatic androgen pathway modulation-resistant prostate cancer (mAPMR), an advanced form of prostate cancer that has spread and no longer responds to hormone therapy. The study will measure the overall response (tumor shrinkage or disappearance) following treatment with JNJ-101556143.

Studieoversikt

Status

Rekruttering

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

100

Fase

  • Fase 2

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

      • Chermside, Australia, 4032
        • Rekruttering
        • Icon Ctr Chermside
      • East Melbourne, Australia, 3002
        • Rekruttering
        • Epworth Healthcare
      • Hobart, Australia, 7000
        • Rekruttering
        • Icon Cancer Ctr Hobart
      • Kurralta Park, Australia, 5037
        • Rekruttering
        • Icon Cancer Centre Kurralta Park
    • Florida
      • Largo, Florida, Forente stater, 33771
        • Rekruttering
        • Advanced Urology Institute
    • Illinois
      • Chicago Ridge, Illinois, Forente stater, 60415
        • Rekruttering
        • Associated Urological Specialists
    • Indiana
      • Carmel, Indiana, Forente stater, 46032
        • Rekruttering
        • Urology of Indiana
    • Louisiana
      • Lafayette, Louisiana, Forente stater, 70508
        • Rekruttering
        • Southern Urology LLC
    • Massachusetts
      • Plymouth, Massachusetts, Forente stater, 02360
        • Rekruttering
        • Greater Boston Urology
    • New York
      • Syracuse, New York, Forente stater, 13210
        • Rekruttering
        • Associated Medical Professionals
    • Tennessee
      • Germantown, Tennessee, Forente stater, 38138
        • Rekruttering
        • The Conrad Pearson Clinic
      • Kobe, Japan, 650 0017
        • Rekruttering
        • Kobe University Hospital
      • Guangzhou, Kina, 510060
        • Rekruttering
        • Sun Yat Sen University Cancer Center
      • Wenzhou, Kina, 325000
        • Rekruttering
        • The First Affiliated Hospital of Wenzhou Medical University

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Mann

Beskrivelse

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). Local-regional disease including invasive disease of rectum, bladder, pelvis is allowed as long as participant has a current or past history of distant metastasis (M1 disease). Participants in Part 1 must have measurable disease per RECIST v1.1 by conventional imaging with CT or MRI (chest, abdomen, and pelvis) and/or Technetium-99^m (99^mTc) bone scan confirmed by Blinded Independent Central Review (BICR) at the time of screening
  • 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) within 2 weeks or Lutetium-177 Prostate-Specific Membrane Antigen-617 (177^Lu PSMA-617) within 6 weeks prior to first dose of trial intervention, or any investigational drugs within 3 months of first dose of trial intervention
  • 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. Note: Participants with planned surgical procedures to be conducted under local anesthesia may participate
  • 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

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Intervensjonsmodell: Enkeltgruppeoppdrag
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: JNJ-101556143

Participants will receive JNJ-101556143 orally once daily in a 28-day treatment cycle until confirmed radiographic progression by blinded independent central review (BICR) or unequivocal clinical progression, or any other protocol-defined discontinuation criteria is met.

Participants will receive JNJ-101556143 orally.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Overall Response Rate (ORR)
Tidsramme: Up to 2 years and 8 months

Confirmed overall response, is defined as having either confirmed complete response (CR) or partial response (PR) per response evaluation criteria in solid tumors version 1.1 (RECIST v1.1) by blinded independent central review (BICR) prior to any subsequent anti-cancer therapy.

Up to 2 years and 8 months

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Duration of Response (DoR)
Tidsramme: Up to 2 years and 8 months

DoR is defined as the time from the date of first documented response for a confirmed radiographic response (CR or PR) per RECIST v1.1 until the date of documented radiographic progression by BICR, or death, whichever comes first.

Up to 2 years and 8 months
Radiographic Progression-Free Survival (rPFS)
Tidsramme: Up to 2 years and 8 months

rPFS is defined as the time from the date of initiation of therapy until the date of radiographic disease progression or death, whichever comes first.

Up to 2 years and 8 months
Time to Symptomatic Progression (TSP)
Tidsramme: Up to 2 years and 8 months

TSP is defined as the time from the first dose of trial intervention until the date of symptomatic progression or death, whichever comes first.

Up to 2 years and 8 months
Number of Participants with Treatment-Emergent Adverse Event (TEAE) by Severity
Tidsramme: Up to 2 years and 8 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 2 years and 8 months
Number of Participants with Abnormalities in Clinical Laboratory Tests
Tidsramme: Up to 2 years and 8 months

Number of participants with abnormalities in clinical laboratory tests will be reported.

Up to 2 years and 8 months
Minimum Plasma Concentration (Cmin) of JNJ-101556143
Tidsramme: Pre-dose (0 hours); 2 to 3 hours post dose from Cycle 1 to Cycle 2 and 4 to 8 hours post dose from Cycle 1 to Cycle 2 (Each Cycle Duration= 28 days)

Minimum plasma concentration of JNJ-101556143 will be reported.

Pre-dose (0 hours); 2 to 3 hours post dose from Cycle 1 to Cycle 2 and 4 to 8 hours post dose from Cycle 1 to Cycle 2 (Each Cycle Duration= 28 days)
Maximum Plasma Concentration (Cmax) of JNJ-101556143
Tidsramme: Pre-dose (0 hours); 2 to 3 hours post dose from Cycle 1 to Cycle 2 and 4 to 8 hours post dose from Cycle 1 to Cycle 2 (Each Cycle Duration= 28 days)

Maximum plasma concentration of JNJ-101556143 will be reported.

Pre-dose (0 hours); 2 to 3 hours post dose from Cycle 1 to Cycle 2 and 4 to 8 hours post dose from Cycle 1 to Cycle 2 (Each Cycle Duration= 28 days)
Area Under the Concentration-Time Curve From 0 to 24 Hours (AUC0-24h) of JNJ-101556143
Tidsramme: Pre-dose (0 hours); 2 to 3 hours post dose from Cycle 1 to Cycle 2 and 4 to 8 hours post dose from Cycle 1 to Cycle 2 (Each Cycle Duration= 28 days)

AUC0-24h is the area under the plasma concentration-time curve from the time of JNJ-101556143 dose administration up to 24-hour dosing interval.

Pre-dose (0 hours); 2 to 3 hours post dose from Cycle 1 to Cycle 2 and 4 to 8 hours post dose from Cycle 1 to Cycle 2 (Each Cycle Duration= 28 days)

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Etterforskere

  • Studieleder: Janssen Research & Development, LLC Clinical Trial, Janssen Research & Development, LLC

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

16. september 2026

Primær fullføring (Antatt)

17. mai 2029

Studiet fullført (Antatt)

20. mai 2030

Datoer for studieregistrering

Først innsendt

16. september 2026

Først innsendt som oppfylte QC-kriteriene

16. september 2026

Først lagt ut (Faktiske)

21. september 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

3. november 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

2. november 2026

Sist bekreftet

1. november 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • 101556143PCR2001
  • 101556143PCR2001 (Annen identifikator: Janssen Research & Development, LLC)

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

JA

IPD-planbeskrivelse

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

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Ja

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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