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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 września 2026 zaktualizowane przez: 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.

Przegląd badań

Status

Rekrutacyjny

Warunki

Interwencja / Leczenie

Typ studiów

Interwencyjne

Zapisy (Szacowany)

436

Faza

  • Faza 3

Kontakty i lokalizacje

Ta sekcja zawiera dane kontaktowe osób prowadzących badanie oraz informacje o tym, gdzie badanie jest przeprowadzane.

Kontakt w sprawie studiów

Lokalizacje studiów

  • Chiny
    • Shanghai Municipality
      • Shanghai, Shanghai Municipality, Chiny
        • Rekrutacyjny
        • Fudan University Shanghai Cancer Center
        • Kontakt:
          • Jiong Wu
        • Główny śledczy:
          • Jian Zhang
        • Główny śledczy:
          • Jiong Wu

Kryteria uczestnictwa

Badacze szukają osób, które pasują do określonego opisu, zwanego kryteriami kwalifikacyjnymi. Niektóre przykłady tych kryteriów to ogólny stan zdrowia danej osoby lub wcześniejsze leczenie.

Kryteria kwalifikacji

Wiek uprawniający do nauki

18 lat do 75 lat (Dorosły, Starszy dorosły)

Akceptuje zdrowych ochotników

Nie

Płeć kwalifikująca się do nauki

Kobieta

Opis

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.

Plan studiów

Ta sekcja zawiera szczegółowe informacje na temat planu badania, w tym sposób zaprojektowania badania i jego pomiary.

Jak projektuje się badanie?

Szczegóły projektu

  • Główny cel: Leczenie
  • Przydział: Randomizowane
  • Model interwencyjny: Przydział równoległy
  • Maskowanie: Brak (otwarta etykieta)

Broń i interwencje

Grupa uczestników / Arm
Interwencja / Leczenie
Eksperymentalny: 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.
Lek: BL-B01D1

Administration by intravenous infusion for a cycle of 3 weeks.

Inne nazwy:
  • BM-986507
  • Iza-bren
  • Izalontamab Brengitecan
Lek: PD-1 monoclonal antibody

Administration by intravenous infusion for a cycle of 3 weeks.
Aktywny komparator: 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.
Lek: PD-1 monoclonal antibody

Administration by intravenous infusion for a cycle of 3 weeks.

Lek: Nab-paclitaxel

Administration by intravenous infusion for a cycle of 3 weeks.

Co mierzy badanie?

Podstawowe miary wyniku

Miara wyniku
Opis środka
Ramy czasowe
BICR-assessed Progression-free Survival (PFS)
Ramy czasowe: 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

Miary wyników drugorzędnych

Miara wyniku
Opis środka
Ramy czasowe
Overall Survival (OS)
Ramy czasowe: 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)
Ramy czasowe: 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)
Ramy czasowe: 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)
Ramy czasowe: 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)
Ramy czasowe: 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)
Ramy czasowe: 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)
Ramy czasowe: 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
Ramy czasowe: Up to approximately 24 months

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

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

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

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

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

Współpracownicy i badacze

Tutaj znajdziesz osoby i organizacje zaangażowane w to badanie.

Sponsor

Sichuan Baili Pharmaceutical Co., Ltd.

Współpracownicy

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

Daty zapisu na studia

Daty te śledzą postęp w przesyłaniu rekordów badań i podsumowań wyników do ClinicalTrials.gov. Zapisy badań i zgłoszone wyniki są przeglądane przez National Library of Medicine (NLM), aby upewnić się, że spełniają określone standardy kontroli jakości, zanim zostaną opublikowane na publicznej stronie internetowej.

Główne daty studiów

Rozpoczęcie studiów (Rzeczywisty)

2 września 2026

Zakończenie podstawowe (Szacowany)

1 grudnia 2029

Ukończenie studiów (Szacowany)

1 grudnia 2029

Daty rejestracji na studia

Pierwszy przesłany

20 lipca 2026

Pierwszy przesłany, który spełnia kryteria kontroli jakości

22 lipca 2026

Pierwszy wysłany (Rzeczywisty)

28 lipca 2026

Aktualizacje rekordów badań

Ostatnia wysłana aktualizacja (Rzeczywisty)

30 września 2026

Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości

28 września 2026

Ostatnia weryfikacja

1 września 2026

Więcej informacji

Terminy związane z tym badaniem

Dodatkowe istotne warunki MeSH

Inne numery identyfikacyjne badania

  • BL-B01D1-325

Informacje o lekach i urządzeniach, dokumenty badawcze

Bada produkt leczniczy regulowany przez amerykańską FDA

Nie

Bada produkt urządzenia regulowany przez amerykańską FDA

Nie

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