A Clinical Study on the Safety and Efficacy of 9MW2821 in Patients With High-risk Non-muscle-invasive Bladder Cancer (NMIBC) That Have Previously Failed to Intravesical Therapy


Condition: Bladder Cancer

Study Type: Interventional

Clinical Trials Identifier NCT 8-digits: NCT06551233

Sponsor: The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School

Phase: Phase 1

Eligibility:

  • Age: minimum 18 Years maximum N/A
  • Gender: All

Inclusion Criteria:

  • Age≥18 years old before signing the informed consent.
  • Subjects must have previously failed to at least one kind of intravesical therapy, including but not limited to BCG, gemcitabine, etc.
  • Subjects refuse or are intolerant to BCG therapy.
  • Subjects must have completed a standard TURBT surgery within 6 weeks before the first dose of the study drug and have no evidence of residual tumors in the surgical field.
  • Tumor tissue samples from TURBT must be provided (≥5 slides), along with relevant pathological reports.
  • Histological and pathological diagnosis of urothelial carcinoma (with a major component >50%) , with the confirmation of no-muscle invasion.
  • Subjects must be categorized as high-risk NMIBC
  • Subjects refuse or are intolerant to radical cystectomy.
  • Clinical non-metastatic bladder cancer (N0, M0) determined by CT scan.
  • Adequate function of heart, bone marrow, liver, and kidney.
  • ECOG 0-1
  • Subjects must be willing to take highly effective contraception during the study and 180 days after the last dose of 9MW2821 (a negative serum pregnancy test result within ≤7 days before enrollment for the female).

Exclusion Criteria:

  • History of muscle invasive or metastatic bladder cancer.
  • History of other malignancies within 3 years.
  • Other systemic anti-cancer therapies within 3 weeks before the first dose of the study drug.
  • Surgery (such as TURBT) or radiotherapy for bladder lesions within 2 weeks before the first dose.
  • Hypersensitivity reactions to certain components of 9MW2821 or similar drugs.
  • Persistence of adverse reactions caused by prior anti-tumor therapy before the first dose, does not recover to grade 1 and below, according to NCI-CTCAE v5.0.
  • Active systemic infections that require treatments within 7 days before the first dose.
  • Severe cardiovascular diseases within 6 months before the first dose.
  • History of allogeneic hematopoietic stem cell transplantation or organ transplantation.
  • History of autoimmune diseases.
  • Serum virology tests: positive results for HBsAg or HBcAb, with positive HBV-DNA copies (≥500IU/mL); positive HCV-Ab results, with positive HCV-RNA results; positive HIV-Ab results.
  • Prior treatment with drugs targeted Nectin-4 or MMAE-conjugated ADC.

View trial on ClinicalTrials.gov