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Clinical trial

Margetuximab Plus Chemotherapy vs Trastuzumab Plus Chemotherapy in the Treatment of HER2+ Metastatic Breast Cancer (SOPHIA)

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Last updated:24th Aug 2015
Identifier: NCT02492711

Brief Summary:
The purpose of this study is to determine whether patients treated with margetuximab plus chemotherapy have longer progression free survival and overall survival than patients treated with trastuzumab plus chemotherapy.

Detailed Description:
An evaluation of efficacy, as measured by progression-free survival (PFS) assessed by independent review and overall survival (OS), of margetuximab plus chemotherapy compared with trastuzumab plus chemotherapy in patients with advanced HER2+ breast cancer who have received at least 2 prior lines of anti-HER2 directed therapy in the metastatic setting, or in case of having received (neo)adjuvant pertuzumab, at least 1 prior line of anti-HER2 directed therapy in the metastatic setting, and who have received at least one, and no more than three, lines of therapy overall in the metastatic setting. A non-randomized sub-study cohort of approximately 78 patients will be enrolled to evaluate the safety of a reduced margetuximab infusion rate in patients receiving margetuximab either as monotherapy or in combination with chemotherapy.


Study Type: Interventional  (Clinical Trial)
Actual Enrollment: 624 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 3, Randomized Study of Margetuximab Plus Chemotherapy vs Trastuzumab Plus Chemotherapy in the Treatment of Patients With HER2+ Metastatic Breast Cancer Who Have Received Prior Anti-HER2 Therapies and Require Systemic Treatment
Actual Study Start Date: August 24, 2015
Estimated Primary Completion Date: March 2020
Estimated Study Completion Date: March 2021

Arms:
- Experimental:
Margetuximab plus chemotherapy
- Active Comparator: Trastuzumab plus chemotherapy

Category Value
Date last updated at source 2019-06-04
Study type(s) Interventional
Expected enrolment 624
Study start date 2015-08-24
Estimated primary completion date 2020-03-01

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