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En undersøgelse af androgenreceptor (AR) antagonist apalutamid hos kinesiske deltagere med metastatisk kastrationsresistent prostatakræft

2. november 2026 opdateret af: Janssen Research & Development, LLC

Et fase 1-studie af androgenreceptor (AR) antagonist apalutamid hos kinesiske forsøgspersoner med metastatisk kastrationsresistent prostatakræft

The purpose of this study is to evaluate pharmacokinetics (PK) following a single dose and multiple dose treatment and the safety of apalutamide in Chinese participants with metastatic castration resistant prostate cancer (mCRPC) at dose of 240 milligram (mg).

Studieoversigt

Status

Aktiv, ikke rekrutterende

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

19

Fase

  • Fase 1

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

      • Beijing, Kina, 100083
        • Peking University Third Hospital
      • Beijing, Kina, 100142
        • Beijing Cancer Hospital of Peking University
      • Nanjing, Kina, 210000
        • Jiangsu Cancer Hospital
      • Shanghai, Kina, 200032
        • Fudan Cancer Hospital

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Han

Beskrivelse

Inclusion Criteria:

  • Eastern Cooperative Oncology Group (ECOG) performance status less than or equal to (<=) 2
  • Histologically or cytologically confirmed adenocarcinoma of the prostate without neuroendocrine differentiation or small cell features
  • Metastatic disease as documented by bone scan or metastatic lesions by computed tomography or magnetic resonance imaging scans (visceral or lymph node disease). Lymph nodes in the pelvis must measure at least 1.5 centimeter in a short axis to be considered target lesion according to the modified Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 based on the Prostate Cancer Working Group 2 (PCWG2) criteria
  • Castration-resistant prostate cancer (PC) demonstrated during continuous androgen deprivation therapy (ADT), defined as 3 rises of prostate-specific antigen (PSA), at least 1 week apart, with the last PSA greater than or equal to (>=) 2 nanogram per milliliter (ng/mL)
  • Prior hormonal interventions (including 1st generation antiandrogens [flutamide, bicalutamide, nilutamide], steroids, estrogens, finasteride, dutasteride) for PC are allowed. These therapies, except for gonadotropin releasing hormone analogs (GnRH) analogs and prednisone/prednisolone, must have been discontinued for minimally 4 weeks (2 weeks only for flutamide, nilutamide, or finasteride) before first dose of study drug

Exclusion Criteria:

  • Known brain metastases
  • Chemotherapy, or immunotherapy within 2 weeks or 5 half-lives of the drug prior to the first dose of study drug, whichever is longer, with a maximum of 4 weeks.
  • Prior treatment with second-generation anti-androgens (example [eg], enzalutamide)
  • Administration of an investigational therapeutic within 2 weeks or 5 half-lives of the drug prior to the first dose of study drug, whichever is longer, with a maximum of 4 weeks. And participant use radiopharmaceutical agents (eg, strontium-89) or investigational immunotherapy (eg, sipuleucel-T) within 12 weeks prior to the first dose of study drug
  • Prior treatment with cytochrome 17 inhibitors (eg, abiraterone acetate, orteronel, galeterone, systemic ketoconazole)

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Apalutamide

Participants will receive a single oral dose of apalutamide 240 milligram (mg) during pharmacokinetics (PK) Week Day 1 and will be monitored for one week (that is; PK Week) to assess PK and safety of drug. Subsequently, participants will further receive daily treatment of apalutamide from Cycle 1 Day 1 onwards until disease progression, withdrawal of consent, lost to follow-up, or the occurrence of unacceptable toxicity. Each treatment cycle consists of 28 days. After final analysis (FA), participants who are receiving apalutamide in the open-label treatment phase may continue receiving single oral dose apalutamide 240 mg once daily in a long-term extension (LTE) phase if they continue to derive benefit from treatment (based on investigator assessment).

The participants will receive apalutamide 240 mg once daily orally.

Andre navne:
  • JNJ-56021927

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Plasma Concentration of Apalutamide
Tidsramme: Predose; postdose up to 168 hours (hrs) (Cycle1 Day 7), Cycle 2 (pre-dose; on Day 1 and 15 of cycle 2) and Cycle 3 (pre-dose; up to 24 hrs post-dose). Each cycle is of 28 days

Plasma concentration of apalutamide will be reported.

Predose; postdose up to 168 hours (hrs) (Cycle1 Day 7), Cycle 2 (pre-dose; on Day 1 and 15 of cycle 2) and Cycle 3 (pre-dose; up to 24 hrs post-dose). Each cycle is of 28 days
Number of Participants with Adverse Events
Tidsramme: Up to 30 days of last study treatment (approximately 18 months)

An adverse event is any untoward medical event that occurs in a participant administered an investigational product, and it does not necessarily indicate only events with clear causal relationship with the relevant investigational product.

Up to 30 days of last study treatment (approximately 18 months)

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change from Baseline in Serum Prostate Specific Antigen (PSA) at Weeks 4 and 12
Tidsramme: Baseline, at Weeks 4 and 12 or earlier for those who discontinue therapy (up to approximately 4 months).

Change from baseline in serum PSA levels will be determined.

Baseline, at Weeks 4 and 12 or earlier for those who discontinue therapy (up to approximately 4 months).
Maximal Decline in Prostate Specific Antigen
Tidsramme: Up to 30 days of last study treatment (approximately 18 months)

Maximal decline in PSA levels will be determined.

Up to 30 days of last study treatment (approximately 18 months)

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Efterforskere

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

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

31. august 2018

Primær færdiggørelse (Faktiske)

9. juli 2019

Studieafslutning (Anslået)

31. december 2027

Datoer for studieregistrering

Først indsendt

2. maj 2018

Først indsendt, der opfyldte QC-kriterier

2. maj 2018

Først opslået (Faktiske)

14. maj 2018

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

3. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

2. november 2026

Sidst verificeret

1. november 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • CR107444
  • 56021927PCR1013 (Anden identifikator: Janssen Research & Development, LLC)

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

produkt fremstillet i og eksporteret fra U.S.A.

Ja

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