A Randomized, Open-Label, Phase 2/3 Study of Datopotamab Deruxtecan (Dato-DXd) Plus Carboplatin or Cisplatin Versus Gemcitabine Plus Carboplatin or Cisplatin in Participants With Locally Advanced or Metastatic Urothelial Carcinoma (la/mUC) Who Progressed During or After Enfortumab Vedotin (EV) Plus Pembrolizumab Combination Treatment TROPION-Urothelial03 (TU03)

Summary

This is a global, multicenter, randomized, open-label, Phase 2/3 study of Dato-DXd plus carboplatin or cisplatin versus gemcitabine plus carboplatin or cisplatin in participants with la/mUC who progressed during or after EV plus pembrolizumab combination treatment. This trial will start with part A, Phase 2. During part A, Phase 2, preliminary efficacy and safety will be assessed, and the recommended Phase 3 dose (RP3D) will be identified when the data allow sufficient assessment of activity, safety, and tolerability. The Phase 3 part will start contingent upon the assessment in the Phase 2 part, taking into consideration the totality of information.

Eligibility

Age range

18+ years

Sex

All

Healthy volunteers

No

Interventions

• Drug
  Dato-DXd

  Dato-DXd will be administered as an intravenous (IV) infusion every three weeks (Q3W) at a dose of 4 mg/kg or 6 mg/kg in Part A or RP3D in Part B

• Drug
  Carboplatin

  Carboplatin will be administered as an intravenous (IV) infusion every three weeks (Q3W) at a dose of AUC 4.5 or 5.0 mg•min/mL

• Drug
  Cisplatin

  Cisplatin will be administered as an intravenous (IV) infusion every three weeks (Q3W) at a dose of 70 mg/m2

• Drug
  Gemcitabine

  Gemcitabine will be administered as an IV infusion at a dose of 1000 mg/m2 on Day 1 and 8 of every 3 week cycle.

Locations (79)