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A Study of BL-B01D1 Plus an Anti-PD-1 Antibody Versus Nab-paclitaxel Plus an Anti-PD-1 Antibody in Patients With Previously Untreated, Locally Advanced, Inoperable or Metastatic Triple-Negative Breast Cancer Whose Tumors Express PD-L1 (PANKU-Breast04)

28 settembre 2026 aggiornato da: Sichuan Baili Pharmaceutical Co., Ltd.

A Phase III Randomized Controlled Clinical Study of BL-B01D1 Plus an Anti-PD-1 Antibody Versus Nab-paclitaxel Plus an Anti-PD-1 Antibody in Patients With Previously Untreated, Locally Advanced, Inoperable or Metastatic Triple-Negative Breast Cancer Whose Tumors Express PD-L1 (PANKU-Breast04)

This trial is a registrational Phase III, randomized, open-label, multicenter study designed to compare the efficacy and safety of BL-B01D1 in combination with a PD-1 monoclonal antibody versus nab-paclitaxel in combination with a PD-1 monoclonal antibody in patients with PD-L1-positive, previously untreated, inoperable locally advanced or recurrent metastatic triple-negative breast cancer.

Panoramica dello studio

Stato

Reclutamento

Condizioni

Intervento / Trattamento

Tipo di studio

Interventistico

Iscrizione (Stimato)

436

Fase

  • Fase 3

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

  • Cina
    • Shanghai Municipality
      • Shanghai, Shanghai Municipality, Cina
        • Reclutamento
        • Fudan University Shanghai Cancer Center
        • Contatto:
          • Jiong Wu
        • Investigatore principale:
          • Jian Zhang
        • Investigatore principale:
          • Jiong Wu

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

Da 18 anni a 75 anni (Adulto, Adulto più anziano)

Accetta volontari sani

No

Sessi ammissibili allo studio

Femmina

Descrizione

Inclusion Criteria:

  1. Voluntarily sign the informed consent form and agree to comply with the protocol requirements;
  2. Female patients aged 18 to 75 years;
  3. Expected survival time ≥ 3 months;
  4. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1;
  5. Pathologically confirmed recurrent or metastatic triple-negative breast cancer;
  6. Confirmed PD-L1 expression positivity by central laboratory testing;
  7. No prior systemic anti-tumor therapy in the advanced/recurrent or metastatic setting;
  8. Agree to provide archived tumor tissue specimens (surgical specimens) or fresh tissue samples from primary or metastatic lesions obtained within 3 years;
  9. Must have at least one measurable lesion as defined by RECIST v1.1;
  10. Toxicities from prior anti-tumor therapy must have recovered to ≤ Grade 1 as defined by NCI-CTCAE v6.0;
  11. No severe cardiac dysfunction, with left ventricular ejection fraction (LVEF) ≥ 50%;
  12. Organ function levels must meet the protocol-specified requirements;
  13. Urine protein ≤ 1+ or < 1000 mg/24 h;
  14. For premenopausal women of childbearing potential, a pregnancy test (serum) must be performed within 7 days before starting treatment, and pregnancy must be ruled out; patients must not be lactating. All enrolled patients (regardless of sex) must use adequate barrier contraception throughout the entire treatment period and for 7 months after the end of treatment.

Exclusion Criteria:

  1. Received surgery, radical radiotherapy, or immunotherapy within 4 weeks before the first dose;
  2. Prior exposure to ADC drugs with topoisomerase I inhibitor payload;
  3. Prior treatment with other T-cell receptor-targeting agents (excluding PD-1/PD-L1);
  4. Use of immunomodulators within 14 days before the first study drug dose;
  5. History of severe cardiac or cerebrovascular disease;
  6. Receiving chronic systemic corticosteroids at >10 mg/day prednisone before the first dose;
  7. Active autoimmune or inflammatory disease;
  8. Any thrombotic event within 6 months before randomization;
  9. Prolonged QTc, complete left bundle branch block, or similar;
  10. Active malignancy diagnosed within 3 years before randomization;
  11. Hypertension uncontrolled by two antihypertensives;
  12. Poorly controlled diabetes/hyperglycemia;
  13. History of steroid-treated ILD/interstitial pneumonitis;
  14. Concurrent lung disease causing clinically significant respiratory impairment;
  15. Active CNS metastases;
  16. Severe infection within 4 weeks before randomization;
  17. Massive or symptomatic serosal effusion;
  18. Severe non-healing wound, ulcer, or fracture within 4 weeks before consent;
  19. Clinically significant bleeding or bleeding tendency within 4 weeks before consent;
  20. Inflammatory bowel disease, extensive bowel resection, immune enteritis, bowel obstruction, or chronic diarrhea;
  21. Allergy or contraindication to the study drug;
  22. History of autologous/allogeneic stem cell transplantation;
  23. HIV antibody positive, active HBV, or active HCV;
  24. History of severe neurological or psychiatric illness;
  25. Received or planning to receive live vaccine within 28 days before randomization;
  26. Other conditions rendering the patient unsuitable per investigator's judgment.

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: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: BL-B01D1+PD-1 monoclonal antibody

Participants receive BL-B01D1+PD-1 monoclonal antibody in the first cycle (3 weeks). Participants with clinical benefit could receive additional treatment for more cycles. The administration will be terminated because of disease progression or intolerable toxicity occurring or other reasons.
Droga: BL-B01D1

Administration by intravenous infusion for a cycle of 3 weeks.

Altri nomi:
  • BMS-986507
  • Iza-Bren
  • Izalontamab Brengitecan
Droga: PD-1 monoclonal antibody

Administration by intravenous infusion for a cycle of 3 weeks.
Comparatore attivo: nab-paclitaxel+PD-1 monoclonal antibody

Participants receive nab-paclitaxel+PD-1 monoclonal antibody in the first cycle (3 weeks). Participants with clinical benefit could receive additional treatment for more cycles. The administration will be terminated because of disease progression or intolerable toxicity occurring or other reasons.
Droga: PD-1 monoclonal antibody

Administration by intravenous infusion for a cycle of 3 weeks.

Droga: Nab-paclitaxel

Administration by intravenous infusion for a cycle of 3 weeks.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
BICR-assessed Progression-free Survival (PFS)
Lasso di tempo: Up to approximately 24 months

Progression-free survival (PFS) as assessed by BICR is defined as the time between the date subjects were randomized and the first observation of disease progression (based on BICR's image-based assessment) or death.
Up to approximately 24 months

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Overall Survival (OS)
Lasso di tempo: Up to approximately 24 months

Overall survival (OS) is defined as the time between the day the subject is randomized and the subject's death.
Up to approximately 24 months
Investigator-assessed Progression-free Survival (PFS)
Lasso di tempo: Up to approximately 24 months

Investigator-assessed progression-free survival (PFS) per RECIST v1.1 is defined as the time from treatment initiation until the first documented disease progression according to RECIST v1.1 criteria, or death from any cause, whichever occurs first, as determined by the local treating investigator.
Up to approximately 24 months
Objective Response Rate (ORR)
Lasso di tempo: Up to approximately 24 months

Objective response rate (ORR) is defined as the number of CR and PR in the treatment and control groups divided by the number of that group in the full analysis set (FAS).
Up to approximately 24 months
Disease Control Rate (DCR)
Lasso di tempo: Up to approximately 24 months

Disease Control Rate (DCR) : Percentage of all randomized subjects who rated the best overall response (BOR) as complete response (CR), partial response (PR), and disease stabilization (SD) according to RECIST 1.1 criteria.
Up to approximately 24 months
Duration of Response (DOR)
Lasso di tempo: Up to approximately 24 months

Duration of Response (DOR) : defined as the period from the date when tumor response is first recorded to the date when objective tumor progression is first recorded or the date of death.
Up to approximately 24 months
Time to Response (TTR)
Lasso di tempo: Up to approximately 24 months

Time to Response (TTR) is defined as the time from randomization to the first documented response (CR or PR) according to RECIST v1.1 criteria.
Up to approximately 24 months
Treatment Emergent Adverse Event (TEAE)
Lasso di tempo: Up to approximately 24 months

TEAE is defined as any unfavorable and unintended change in the structure, function, or chemistry of the body temporally emerging, or any worsening (i.e., any clinically significant adverse change in frequency and/or intensity) of a pre-existing condition during the treatment of BL-B01D1. The type, frequency and severity of TEAE will be evaluated during the treatment of BL-B01D1.
Up to approximately 24 months
Cmax
Lasso di tempo: Up to approximately 24 months

Maximum serum concentration (Cmax) of BL-B01D1 will be investigated.
Up to approximately 24 months
Tmax
Lasso di tempo: Up to approximately 24 months

Time to maximum serum concentration (Tmax) of BL-B01D1 will be investigated.
Up to approximately 24 months
T1/2
Lasso di tempo: Up to approximately 24 months

Half-life (T1/2) of BL-B01D1 will be investigated.
Up to approximately 24 months
AUC0-t
Lasso di tempo: Up to approximately 24 months

AUC0-t is defined as area under the serum concentration-time curve from time 0 to the time of the last measurable concentration.
Up to approximately 24 months
CL (Clearance)
Lasso di tempo: Up to approximately 24 months

CL in the serum of BL-B01D1 per unit of time will be investigated.
Up to approximately 24 months
Ctrough
Lasso di tempo: Up to approximately 24 months

Ctrough is defined as the lowest serum concentration of BL-B01D1 prior to the next dose will be administered.
Up to approximately 24 months
Anti-drug Antibody (ADA)
Lasso di tempo: Up to approximately 24 months

Frequency of anti-BL-B01D1 antibody (ADA) will be investigated.
Up to approximately 24 months
Neutralizing Antibody(NAb)
Lasso di tempo: Up to approximately 24 months

Frequency of anti-BL-B01D1 neutralizing antibodies will be investigated.
Up to approximately 24 months

Collaboratori e investigatori

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

Sponsor

Sichuan Baili Pharmaceutical Co., Ltd.

Collaboratori

Baili-Bio (Chengdu) Pharmaceutical Co., Ltd.

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)

2 settembre 2026

Completamento primario (Stimato)

1 dicembre 2029

Completamento dello studio (Stimato)

1 dicembre 2029

Date di iscrizione allo studio

Primo inviato

20 luglio 2026

Primo inviato che soddisfa i criteri di controllo qualità

22 luglio 2026

Primo Inserito (Effettivo)

28 luglio 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

30 settembre 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

28 settembre 2026

Ultimo verificato

1 settembre 2026

Maggiori informazioni

Termini relativi a questo studio

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • BL-B01D1-325

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

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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