Trial Profile

An Open-label, Multicenter, Phase 2 Dose Optimization and Expansion Study to Evaluate the Safety and Efficacy of BB-1701, an Anti-human Epidermal Growth Factor Receptor 2 (Anti-HER2) Antibody-drug Conjugate (ADC), in Previously Treated Subjects With HER2-positive or HER2-low Unresectable or Metastatic Breast Cancer

Status: Completed

Phase of Trial: Phase II

Latest Information Update: 29 May 2026

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At a glance

22 May 2026 Actual primary completion date changed from 5 Feb 2025 to 18 Mar 2026.
22 May 2026 Status changed from active, no longer recruiting to completed.
20 Mar 2026 Planned End Date changed from 31 Mar 2026 to 31 Mar 2027.

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