OncRef

Clinical Trial: NCT04732598

A Phase III Study of Bevacizumab and Paclitaxel in Combination With Atezolizumab as a Treatment for Locally Advanced Unresectable or Metastatic Hormone Receptor-positive HER2 Negative Breast Cancer

Status:

COMPLETED

Phase:

Phase 3

Lead Sponsor:Japanese Foundation for Cancer Research
Information Provided By:Japanese Foundation for Cancer Research
Last Update Posted:2026-04-21

Study Overview

Brief Summary

JCOG1919E (AMBITION) is a randomized, open-label, phase 3 trial to evaluate efficacy and safety of bevacizumab and paclitaxel in combination with atezolizumab comparing to bevacizumab and paclitaxel in patients with HR-positive HER2 negative metastatic breast cancer.

Official Title

A Phase III, Randomized Study of Bevacizumab and Paclitaxel in Combination With Atezolizumab as a Treatment for Patients With Locally Advanced Unresectable or Metastatic Hormone Receptor-positive HER2 Negative Breast Cancer

Conditions

Breast Cancer

Intervention / Treatment

  • Drug: Paclitaxel + bevacizumab therapy
  • Drug: Paclitaxel + bevacizumab + atezolizumab

Other Study ID Numbers

  • JCOG1919E

Start Date (Actual)

2021-01-21

Primary Completion Date (Actual)

2025-09-12

Study Completion Date (Actual)

2026-03-13

Enrollment (Actual)

281

Study Type

Interventional

Phase

Phase 3