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9MW2821 in Combination With Toripalimab vs Standard Chemotherapy in Locally Advanced or Metastatic Urothelial Cancer

Phase 3
Recruiting
Conditions
Urothelial Carcinoma
Interventions
Registration Number
NCT06592326
Lead Sponsor
Mabwell (Shanghai) Bioscience Co., Ltd.
Brief Summary

This is a randomized, controlled, open-label, multicenter phase 3 clinical study to evaluate the efficacy, safety and immunogenicity of 9MW2821 combined with Toripalimab versus standard chemotherapy in first-line locally advanced or metastatic urothelial cancer.

Detailed Description

The study is planning to enroll approximately 460 participants with unresectable locally advanced or metastatic urothelial cancer who have not previously received systematic treatment.

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
460
Inclusion Criteria
  • Sign the informed consent form approved by IEC.
  • Male or female subjects aged 18 to 80 years.
  • ECOG status: 0 or 1.
  • Histologically confirmed local advanced or metastatic urothelial cancer
  • Previously untreated with local advanced or metastatic urothelial cancer
  • At least one measurable lesion, according to RECIST V1.1.
  • Adequate tumor tissues submitted for test
  • Suitable for cisplatin/carboplatin-based chemotherapy assessed by investigator
  • Life expectancy for more than 12 weeks.
  • Adequate organ functions.
  • Proper contraception methods.
  • Willingness to follow the study procedures.
Exclusion Criteria
  • History of another malignancy within 3 years.
  • History of autoimmune disease requiring systemic treatment within 2 years.
  • History of clinically significant cardiac/cerebrovascular diseases or thrombosis within 6 months.
  • Major surgery treated within 28 days; Any live vaccines got within 28 days; Radiotherapy or Intravesical therapy treated within 21 days; Traditional Chinese medicine or any potent CYP3A4 inducers/inhibitors taken within 14 days.
  • Lots of pleural fluid and ascites, uncontrolled bone pain or spinal compression existed within 14 days; Systemic treatment with active infection within 7 days.
  • Previously treated with PD-1, PD-L1, PD-L2, CTLA-4 inhibitors; Previously treated with ADCs which target Nectin-4 or are conjugated with payload MMAE; Organ transplantation or allogeneic hematopoietic stem cell transplantation in the past.
  • Clinical significantly toxicity Grade ≥ 2 (except alopecia and pigmentation) related to previous treatment.
  • Any situations adding the risk of severe dry eye, active keratitis or corneal ulcer, etc.
  • Peripheral neuropathy Grade ≥ 2.
  • Any other serious chronic or uncontrolled disease.
  • Uncontrolled central nervous system metastases or carcinomatous meningitis.
  • Active HBV/HCV/HIV infection, etc.
  • Known allergic sensitivity to any of the ingredients of the study drug.
  • History of drug abuse or mental illness.
  • Other conditions unsuitable into the study.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
9MW2821+Toripalimab9MW28219MW2821+Toripalimab
9MW2821+ToripalimabToripalimab9MW2821+Toripalimab
Gemcitabine+Cisplatin/CarboplatinGemcitabineGemcitabine+Cisplatin/Carboplatin
Gemcitabine+Cisplatin/CarboplatinCisplatin/CarboplatinGemcitabine+Cisplatin/Carboplatin
Primary Outcome Measures
NameTimeMethod
BICR-PFSup to 50 months

Progression-free survival, assessed by BICR

OSup to 50 months

Overall Survival

Secondary Outcome Measures
NameTimeMethod
ORRUp to 50 months

Objective response rate, assessed by BICR or investigator

DCRUp to 50 months

Disease control rate, assessed by BICR or investigator

DoRUp to 50 months

Duration of response, assessed by BICR or investigator

PFSUp to 50 months

Progression-free survival, assessed by investigator

AE/SAEUp to 50 months

Adverse event, serious adverse event

ImmunogenicityUp to 50 months

Anti-Drug Antibody (ADA) of 9MW2821

Trial Locations

Locations (1)

Fudan University Shanghai Cancer Center

🇨🇳

Shanghai, Shanghai, China

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