Trial Profile

An Open-Label, Phase IIIb, Single Arm, Multicenter Safety Study of Atezolizumab (Tecentriq) Plus Nab-Paclitaxel in the Treatment of Unresectable Locally Advanced or Metastatic Triple-Negative Breast Cancer

Status: Completed

Phase of Trial: Phase III

Latest Information Update: 19 Jan 2026

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At a glance

Drugs Atezolizumab (Primary) ; Paclitaxel (Primary)
Indications Advanced breast cancer; Male breast cancer; Triple negative breast cancer
Focus Adverse reactions; Registrational
Acronyms EL1SSAR
Sponsors Roche

26 Dec 2025 Actual primary completion date changed from 17 Dec 2024 to 15 Dec 2024.
09 Jan 2025 Status changed from active, no longer recruiting to completed.
13 Jul 2022 Planned number of patients changed from 180 to 280.

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