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Un essai de phase III du BNT324 contre le docétaxel dans le cancer de la prostate métastatique résistant à la castration

15 octobre 2026 mis à jour par: BioNTech SE

Un essai de phase III, randomisé, ouvert de BNT324 versus Docétaxel avec Prednisone/Prednisolone dans le cancer de la prostate métastatique résistant à la castration

This study will test whether BNT324 is safe and works better against metastatic castration-resistant prostate cancer (mCRPC) than the current standard of care (SoC) chemotherapy, which is docetaxel (given together with the steroid medicines prednisone or prednisolone). The study will include participants with mCRPC that have been previously treated with androgen receptor pathway inhibitor, but with no previous taxane-based systematic chemotherapy for mCRPC.

The main goals of this study are:

  • To find out if BNT324 helps participants live longer without their cancer getting worse (radiographic progression-free survival [rPFS]).
  • To find out if BNT324 helps participants live longer overall (overall survival [OS]).

Aperçu de l'étude

Description détaillée

The study consists of a screening period (up to 28 days), a treatment period with 21-day cycles, and an after-treatment period that includes a 30-day safety follow-up period and a long-term survival follow-up period.

Treatment continues until the cancer clearly gets worse (in scans, based on blinded independent central review [BICR] assessment or investigator's decision), side effects become unacceptable, the participant chooses to stop, or the study ends.

Participants are put into one of two groups in a 1:1 ratio, which means they will have an equal chance to be in either treatment group, i.e., BNT324 group, or docetaxel plus prednisone/prednisolone group (current SoC). An independent committee will help ensure participant safety, by regularly reviewing safety and early results.

For each participant, the treatment and follow-up periods are projected to be up to ~58 months.

Type d'étude

Interventionnel

Inscription (Estimé)

736

Phase

  • Phase 3

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Coordonnées de l'étude

  • Nom: BioNTech clinical trials patient information
  • Numéro de téléphone: +49 6131 9084
  • E-mail: patients@biontech.de

Lieux d'étude

      • Dresden, Allemagne, 1307
        • Recrutement
        • Universitätsklinikum Carl Gustav Carus
      • Hamburg, Allemagne, 22763
        • Recrutement
        • Asklepios Klinik Altona
      • Southport, Australie, 4215
        • Recrutement
        • Tasman Onco Research Pty Ltd
      • Brussels, Belgique, 1200
        • Recrutement
        • Cliniques Universitaires Saint-Luc
      • Beijing, Chine, 100142
        • Recrutement
        • Beijing Cancer Hospital
      • Beijing, Chine, 100034
        • Recrutement
        • Peking University First Hospital
      • Changsha, Chine, 410005
        • Recrutement
        • The First Affiliated Hospital of Hunan Normal University
      • Chengdu, Chine, 610041
        • Recrutement
        • West China Hospital, Sichuan University
      • Chongqing, Chine, 400072
        • Recrutement
        • The Second Affiliated Hospital of Chongqing Medical University
      • Fuzhou, Chine, 350001
        • Recrutement
        • Fujian Medical University Union Hospital
      • Hangzhou, Chine, 310022
        • Recrutement
        • Zhejiang Cancer Hospital
      • Hangzhou, Chine, 310016
        • Recrutement
        • Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University
      • Hefei, Chine, 230601
        • Recrutement
        • Second Hospital of Anhui Medical University
      • Nanchang, Chine, 330006
        • Recrutement
        • The First Affiliated Hospital of Nanchang University
      • Nanjing, Chine, 210008
        • Recrutement
        • Nanjing Drum Tower Hospital
      • Shanghai, Chine, 200032
        • Recrutement
        • Shanghai Cancer Center
      • Shanghai, Chine, 200072
        • Recrutement
        • No. 10 People's Hospital of Shanghai
      • Wenzhou, Chine, 325000
        • Recrutement
        • The First Affiliated Hospital of Wenzhou Medical University
      • Wuhan, Chine, 430079
        • Recrutement
        • Hubei Cancer Hospital
      • Wuhan, Chine, 420104
        • Recrutement
        • Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
      • Wuhu, Chine, 241001
        • Recrutement
        • Yijishan Hospital of Wannan Medical College
      • Yantai, Chine, 264000
        • Recrutement
        • Yantai Yuhuangding Hospital
      • Krakow, Pologne, 30-727
        • Recrutement
        • Pratia MCM Krakow
      • Warsaw, Pologne, 02-781
        • Recrutement
        • National Research Institute of Oncology - National Research Institute (NIO-PIB)
      • Cambridge, Royaume-Uni, CB2 0QQ
        • Recrutement
        • Addenbrooke's Hospital
      • Cardiff, Royaume-Uni, CF14 2TL
        • Recrutement
        • Velindre Cancer Centre
      • Leeds, Royaume-Uni, LS9 7TF
        • Recrutement
        • St James's University Hospital
      • London, Royaume-Uni, SW3 6JJ
        • Recrutement
        • Royal Marsden Hospital
      • Newcastle upon Tyne, Royaume-Uni, NE7 7DN
        • Recrutement
        • Freeman Hospital
      • Southampton, Royaume-Uni, SO16 6YD
        • Recrutement
        • Southampton General Hospital
      • Sutton, Royaume-Uni, SM2 5PT
        • Recrutement
        • Royal Marsden Hospital
    • California
      • Santa Barbara, California, États-Unis, 93105
        • Recrutement
        • Sansum Clinic
    • Colorado
      • Aurora, Colorado, États-Unis, 80012
        • Recrutement
        • Rocky Mountain Cancer Centers
    • Florida
      • Fort Myers, Florida, États-Unis, 33901
        • Recrutement
        • Florida Cancer Specialists- Fort Myers
      • St. Petersburg, Florida, États-Unis, 33701
        • Recrutement
        • Florida Cancer Specialists- St. Petersburg
      • West Palm Beach, Florida, États-Unis, 33401
        • Recrutement
        • Florida Cancer Specialists- West Palm Beach
    • Georgia
      • Atlanta, Georgia, États-Unis, 30318
        • Recrutement
        • Piedmont Cancer Institute
    • Illinois
      • Niles, Illinois, États-Unis, 60714
        • Recrutement
        • Illinois Cancer Specialists
      • Peoria, Illinois, États-Unis, 61615
        • Recrutement
        • Illinois CancerCare PC
    • Maryland
      • Rockville, Maryland, États-Unis, 20850
        • Recrutement
        • Maryland Oncology Hematology
    • New York
      • Albany, New York, États-Unis, 12206
        • Recrutement
        • NYOH Albany Cancer Center
      • White Plains, New York, États-Unis, 10601
        • Recrutement
        • White Plains Hospital
    • Ohio
      • Cincinnati, Ohio, États-Unis, 45242
        • Recrutement
        • Oncology/Hematology Care, Inc.
    • South Carolina
      • Myrtle Beach, South Carolina, États-Unis, 29572
        • Recrutement
        • START Carolinas
    • Tennessee
      • Nashville, Tennessee, États-Unis, 37203
        • Recrutement
        • Tennessee Oncology
      • Nashville, Tennessee, États-Unis, 37203
        • Recrutement
        • SCRI Oncology Partners
    • Texas
      • Austin, Texas, États-Unis, 78731
        • Recrutement
        • Texas Oncology South Austin
      • Houston, Texas, États-Unis, 77024
        • Recrutement
        • Texas Oncology Gulf Coast
      • Tyler, Texas, États-Unis, 75702
        • Recrutement
        • Texas Oncology, P.A. - Tyler
      • Wichita Falls, Texas, États-Unis, 76310
        • Recrutement
        • Texas Oncology - West Texas
    • Virginia
      • Fairfax, Virginia, États-Unis, 22031
        • Recrutement
        • Virginia Cancer Specialists PC
      • Norfolk, Virginia, États-Unis, 23502
        • Recrutement
        • Virginia Oncology Associates

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

18 ans et plus (Adulte, Adulte plus âgé)

Accepte les volontaires sains

Non

Sexes éligibles pour l'étude

Homme

La description

Key Inclusion Criteria:

  • Are male adults (defined as ≥18 years of age or of an acceptable age according to local regulations at the time of giving informed consent).

  • Must have documented progressive prostate cancer based on at least one of the following criteria:

    • Serum/plasma PSA progression, by local laboratory, defined as two consecutive increases in PSA over a previous reference value, each measured sequentially at least 1 week apart. The PSA value at screening is required to be ≥1.0 ng/mL.
    • Radiographic soft tissue progression as per PCWG3-modified RECIST v1.1.
    • Radiographic progression of bone disease: evaluable disease or new bone lesion(s) by bone scan per PCWG3 criteria.
  • Had previously received one or two prior androgen receptor pathway inhibitor treatments and experienced disease progression during or after a minimum of 8 weeks of therapy.

  • Must not have received systemic cytotoxic chemotherapy, including taxane-based chemotherapy, for mCRPC.

  • Must have had prior orchiectomy and/or have ongoing androgen-deprivation therapy and a castrate-level of serum/plasma testosterone (<50 ng/dL or <1.7 nmol/L). Participant being treated with luteinizing hormone-releasing hormone agonists or antagonists must continue such treatment throughout the study.

  • Must have an Eastern Cooperative Oncology Group performance score of 0 or 1.

Key Exclusion Criteria:

  • Have received prior treatment with B7-H3 targeted therapy, including B7-H3 ADCs.
  • Have uncontrolled or significant cardiovascular disease, as defined in the protocol.
  • Have a history of (non-infectious) interstitial lung disease (ILD)/pneumonitis that required steroids or have current ILD/pneumonitis.

NOTE: Other protocol defined Inclusion/Exclusion criteria apply.

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Traitement
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Aucun (étiquette ouverte)

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: BNT324

Intravenous infusion

Autres noms:
  • DB-1311
Comparateur actif: Docétaxel plus prednisone/prednisolone

Intravenous infusion

Oral

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
rPFS assessed by BICR
Délai: From randomization to end of study, i.e., up to 58 months

By arm. rPFS is defined as time from randomization to radiographic disease progression per Prostate Cancer Working Group 3 (PCWG3)-modified Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1) criteria, or death from any cause, whichever occurs first.

From randomization to end of study, i.e., up to 58 months
OS
Délai: From randomization to end of study, i.e., up to 58 months

By arm. OS is defined as time from randomization to death from any cause.

From randomization to end of study, i.e., up to 58 months

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Time to first subsequent therapy (TFTS)
Délai: From randomization to end of study, i.e., up to 58 months

By arm. TFST is defined as time from randomization to initiation of the first subsequent systemic anticancer therapy or death, whichever occurs first.

From randomization to end of study, i.e., up to 58 months
Objective response rate (ORR)
Délai: From randomization to end of study, i.e., up to 58 months

By arm. ORR is defined as the proportion of participants in whom a confirmed complete response (CR) or partial response (PR) (per PCWG3-modifed RECIST v1.1 as assessed by BICR) is observed as best overall response.

From randomization to end of study, i.e., up to 58 months
Duration of response (DOR)
Délai: From randomization to end of study, i.e., up to 58 months

By arm. DOR is defined as time from first objective response (confirmed CR or PR per PCWG3-modified RECIST v1.1 criteria as assessed by BICR) to first occurrence of objective tumor progression (progressive disease per PCWG3-modified RECIST v1.1 criteria as assessed by BICR) or death from any cause, whichever occurs first.

From randomization to end of study, i.e., up to 58 months
Time to pain progression (TTPP)
Délai: From randomization to safety follow-up visit (30 days after the last dose), i.e., up to 58 months

By arm. TTPP is defined as time from randomization to pain progression as determined by Brief Pain Inventory-Short Form Item 3 "worst pain in 24 hours" and opiate analgesic use (Analgesic Quantification Algorithm score).

From randomization to safety follow-up visit (30 days after the last dose), i.e., up to 58 months
rPFS as assessed by investigator
Délai: From randomization to end of study, i.e., up to 58 months

By arm. rPFS is defined as time from randomization to radiographic disease progression per PCWG3-modified RECIST v1.1 criteria, or death from any cause, whichever occurs first.

From randomization to end of study, i.e., up to 58 months
Time to first symptomatic skeletal-related event (SSRE)
Délai: From randomization to end of study, i.e., up to 58 months

By arm. Time to first SSRE is defined as time from randomization to first occurrence of any of the following SSREs:

  • Use of external beam radiation therapy to prevent or relieve skeletal symptoms.
  • New symptomatic pathologic bone fracture (vertebral or non-vertebral).
  • Spinal cord compression.
  • Tumor-related orthopedic surgical intervention.
From randomization to end of study, i.e., up to 58 months
Time to prostate-specific antigen (PSA) progression (by central lab testing results)
Délai: From baseline to end of treatment visit, i.e., up to 58 months

By arm. Time to PSA progression is defined as time from randomization to PSA progression per PCWG3 criteria.

From baseline to end of treatment visit, i.e., up to 58 months
PSA response (by central lab testing results)
Délai: From baseline to end of treatment visit, i.e., up to 58 months

By arm. PSA response is defined as having a post-baseline PSA reduction ≥50% from baseline with a consecutive confirmation assessment at least 3 weeks later per PCWG3 criteria.

From baseline to end of treatment visit, i.e., up to 58 months
Number and percentage of participants with treatment-emergent adverse events (TEAEs) including Grade ≥3, serious, and fatal TEAEs
Délai: From the start of study treatment until 30 days after the last dose of study treatment or until start of new systemic anticancer therapy, whichever occurs first, i.e., up to 58 months

TEAEs by relationship and by arm.

From the start of study treatment until 30 days after the last dose of study treatment or until start of new systemic anticancer therapy, whichever occurs first, i.e., up to 58 months
Number and percentage of participants with dose interruptions, reductions or discontinuations of study treatment due to TEAEs
Délai: From the start of study treatment until 30 days after the last dose of study treatment or until start of new systemic anticancer therapy, whichever occurs first, i.e., up to 58 months

By arm.

From the start of study treatment until 30 days after the last dose of study treatment or until start of new systemic anticancer therapy, whichever occurs first, i.e., up to 58 months

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

Les enquêteurs

  • Directeur d'études: BioNTech Responsible Person, BioNTech SE

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Réel)

22 avril 2026

Achèvement primaire (Estimé)

1 février 2031

Achèvement de l'étude (Estimé)

1 février 2031

Dates d'inscription aux études

Première soumission

23 janvier 2026

Première soumission répondant aux critères de contrôle qualité

23 janvier 2026

Première publication (Réel)

26 janvier 2026

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

16 octobre 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

15 octobre 2026

Dernière vérification

1 octobre 2026

Plus d'information

Termes liés à cette étude

Plan pour les données individuelles des participants (IPD)

Prévoyez-vous de partager les données individuelles des participants (DPI) ?

NON

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Oui

Étudie un produit d'appareil réglementé par la FDA américaine

Non

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .

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