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A Study of JNJ-98768111 in Participants With Advanced Prostate Cancer

27 agosto 2026 aggiornato da: Janssen Research & Development, LLC

A Phase 1 Trial of JNJ-98768111, an Antibody Drug Conjugate (ADC) Targeting Human Kallikrein-2 (KLK2) for Advanced Prostate Cancer

The purpose of Part 1 of this study is to find out how safe JNJ-98768111 is and the most suitable dose (recommended phase 2 dose [RP2D]) regimen(s) of JNJ-98768111. The purpose of Part 2 of this study is to find out how safe JNJ-98768111 is at the RP2D regimen(s) in participants with advanced prostate cancer (cancer of the prostate, a male reproductive gland found below the bladder, which has spread extensively to other parts of the body).

Panoramica dello studio

Stato

Reclutamento

Condizioni

Intervento / Trattamento

Tipo di studio

Interventistico

Iscrizione (Stimato)

100

Fase

  • Fase 1

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

Luoghi di studio

  • Stati Uniti
    • Florida
      • Sarasota, Florida, Stati Uniti, 34232
        • Reclutamento
        • Florida Cancer Specialists & Research Institute
    • Michigan
      • Grand Rapids, Michigan, Stati Uniti, 49546
        • Reclutamento
        • START MidWest
    • Utah
      • West Valley City, Utah, Stati Uniti, 84119
        • Reclutamento
        • START Mountain Region

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Adulto
  • Adulto più anziano

Accetta volontari sani

No

Descrizione

Inclusion criteria:

  • a. Histologically confirmed adenocarcinoma of the prostate. Adenocarcinoma with small cell or neuroendocrine features is permitted. b. Measurable or evaluable disease (metastatic prostate cancer) based on computed tomography (CT), magnetic resonance imaging (MRI), or bone scan. Prior treatment with at least 1 prior novel androgen receptor (AR)-targeted therapy. c. Serum prostate-specific antigen (PSA) value greater than or equal to (>=) 2 nanograms per milliliters (ng/mL). d. Prior orchiectomy or medical castration; or, for participants who have not undergone orchiectomy, must be receiving ongoing androgen deprivation therapy (ADT) with a gonadotropin releasing hormone (GnRH) analog (agonist or antagonist) prior to the first dose of trial drug and must continue this therapy throughout the treatment phase; e. Castrate levels of serum testosterone as defined in the protocol, prior to the first dose of trial intervention; f. Progressive metastatic disease following their most recent line of therapy. Disease progression will be defined by at least one of the following: PSA progression, radiographic progression according to response evaluation criteria in solid tumors (RECIST v1.1), or progressive bone disease according to prostate cancer working group 3 (PCWG3) criteria
  • Eastern cooperative oncology group (ECOG) performance status of 0 or 1
  • Agree to all of the following during the trial and for 6 months after the last dose of trial drug: a. Use a highly effective method of contraception; b. Wear a condom when engaging in any activity that allows for passage of ejaculate to another person; c. Not to donate sperm or freeze for future use for the purpose of reproduction; d. Not plan to father a child. In addition, the participant should be advised of the benefit for a female partner to use a highly effective method of contraception
  • Sign an informed consent form (ICF) indicating that the participant understands the purpose of, and procedures required for, the trial and is willing to participate in the trial

Exclusion criteria:

  • Active central nervous system (CNS) involvement
  • Toxicity related to prior anticancer therapy that has not returned to Grade less than or equal to (<=) 1 or baseline levels
  • External beam radiation therapy to soft tissue lesions within 14 days prior to start of trial intervention
  • History of clinically significant cardiovascular disease within 6 months prior to signing informed consent
  • History of solid organ or bone marrow transplantation

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: N / A
  • Modello interventistico: Assegnazione sequenziale
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: JNJ-98768111
Participants in Part 1 of the study will receive escalating doses of JNJ-98768111 to identify the putative recommended phase 2 dose (pRP2D) regimen(s). Participants in Part 2 of the study will receive JNJ-98768111 at the pRP2D regimen(s) determined in Part 1.
Droga: JNJ-98768111
JNJ-98768111 will be administered intravenously.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Number of Participants with Adverse Events (AEs)
Lasso di tempo: Up to approximately 2 years 7 months
An AE is any untoward medical occurrence in a clinical trial participant administered a pharmaceutical (investigational or non investigational) product. An AE does not necessarily have a causal relationship with the treatment.
Up to approximately 2 years 7 months
Part 1: Number of Participants with Dose-Limiting Toxicities (DLT)
Lasso di tempo: From first administration of trial intervention to the pre-dose assessment of the second cycle (up to approximately 2 years and 7 months)
High grade hematologic or non-hematologic toxicities with exceptions and/or toxicities leading to treatment discontinuation will be regarded as DLT. Other DLT criteria includes any related toxicity resulting in permanent treatment discontinuation or a delay in dose administration greater than (>)14 days and any death not clearly due to the underlying disease or non-trial intervention-related causes.
From first administration of trial intervention to the pre-dose assessment of the second cycle (up to approximately 2 years and 7 months)

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Maximum Observed Concentration (Cmax) of JNJ-98768111
Lasso di tempo: Up to approximately 2 years 7 months
Cmax of JNJ-98768111 will be reported.
Up to approximately 2 years 7 months
Trough Concentration (Ctrough) of JNJ-98768111
Lasso di tempo: Up to approximately 2 years 7 months
Ctrough of JNJ-98768111 will be reported.
Up to approximately 2 years 7 months
Time to Maximum Observed Concentration (Tmax) of JNJ-98768111
Lasso di tempo: Up to approximately 2 years 7 months
Tmax of JNJ-98768111 will be reported.
Up to approximately 2 years 7 months
Area Under the Concentration-Time Curve from Time 0 to End of Dosing Interval (AUC [0-tau]) of JNJ-98768111
Lasso di tempo: Up to approximately 2 years 7 months
AUC0-tau of JNJ-98768111 will be reported.
Up to approximately 2 years 7 months
Accumulation Ratio of JNJ-98768111
Lasso di tempo: Up to approximately 2 years 7 months
Accumulation Ratio (RA) is calculated as area under the plasma concentration-time curve from time zero to 24 hours (AUC [0-24]) value at steady state divided by AUC (0-24) value after first dose.
Up to approximately 2 years 7 months
Number of Participants With Anti-Drug Antibodies (ADAs) to JNJ-98768111
Lasso di tempo: Up to approximately 2 years 7 months
Number of participants with antibodies to JNJ-98768111 will be reported.
Up to approximately 2 years 7 months
Objective Response Rate (ORR)
Lasso di tempo: Up to approximately 2 years 7 months
ORR is defined as the percentage of participants with measurable disease who have a partial response (PR) or better without evidence of bone progression according to prostate cancer working group 3 (PCWG3).
Up to approximately 2 years 7 months
Radiographic Progression-Free Survival (rPFS)
Lasso di tempo: Up to approximately 2 years 7 months
rPFS is defined as the time from the date of first dose until the date of objective disease progression or death, whichever comes first.
Up to approximately 2 years 7 months
Prostate-Specific Antigen (PSA) Response
Lasso di tempo: Up to approximately 2 years 7 months
PSA response rate is defined as the percentage of participants with a decline in PSA of 50% or more from baseline which is sustained for greater than or equal to (>=) 3 weeks.
Up to approximately 2 years 7 months
Duration of Response (DOR)
Lasso di tempo: Up to approximately 2 years 7 months
DOR will be calculated among responders (PR or better) from the date of initial documentation of a response (PR or better) to the date of first documented evidence of progressive disease, as defined in the PCWG3, or death due to any cause, whichever occurs first.
Up to approximately 2 years 7 months

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Janssen Research & Development, LLC

Investigatori

  • Direttore dello studio: Janssen Research & Development LLC Clinical Trial, Janssen Research & Development, LLC

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

5 agosto 2026

Completamento primario (Stimato)

16 marzo 2029

Completamento dello studio (Stimato)

16 marzo 2029

Date di iscrizione allo studio

Primo inviato

31 luglio 2026

Primo inviato che soddisfa i criteri di controllo qualità

31 luglio 2026

Primo Inserito (Effettivo)

5 agosto 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

31 agosto 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

27 agosto 2026

Ultimo verificato

1 agosto 2026

Maggiori informazioni

Termini relativi a questo studio

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • 98768111PCR1001
  • 2026-525894-37-00 (Identificatore di registro: EUCT number)

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

SÌ

Descrizione del piano IPD

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.

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

Sì

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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