CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 184 enrolled
Drug / intervention
Atezolizumab +1 moredrug
Likely dose
Atezolizumab 840 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04148911
NCT04148911Phase 3Completed

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

Hoffmann-La Roche·interventional·Posted Nov 4, 2019·Updated Dec 26, 2025

In Brief

A Phase 3 clinical trial evaluating Atezolizumab and Nab-Paclitaxel for Triple-Negative Breast Cancer. Completed, enrolled 184 participants across 67 sites in 13 countries.

Detailed Summary

Study MO39874 is an open-label, Phase IIIb, single arm, global study conducted in participants with unresectable locally advanced or metastatic PD-L1-positive Triple-Negative Breast Cancer (TNBC) who have not received chemotherapy for their unresectable locally advanced or metastatic disease.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesArgentina, Chile, Czechia, France, Hungary, Italy, Mexico, Peru, Poland, Portugal, Romania, Slovenia, Spain
Collaborators--

Timeline

Phase 3CompletedFinished
2020202120222023202420252026
First PostedNov 4, 2019
Enrollment StartDec 10, 2019
Primary CompletionDec 15, 2024
TodayJul 2, 2026
Enrollment to primary: 5.0 yearsPosted 6.7 years ago

Interventions

Atezolizumabdrug

Atezolizumab will be administered at a dose of 840 mg via IV infusion on Days 1 and 15 of every 28-day cycle. Day 15: Atezolizumab may be administered on Days 15-18 of each cycle.

Nab-Paclitaxeldrug

Nab-Paclitaxel will be administered at the 100 mg/m2 dose via IV infusion on Days 1, 8, and 15 of every 28-day cycle. Day 8: Nab-paclitaxel may be administered on Days 8-11 of each cycle. Day 15: Nab-paclitaxel may be administered on Days 15-18 of each cycle, on the same day with the atezolizumab infusion.