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PETRA: PErtuzumab and Trastuzumab Biosimilars Real Life Association for the First Line Treatment of HER2-positive Metastatic Breast Cancer, an Observational Prospective Multicenter Study — PETRA  

HER-2 Positive Breast Cancer Clinical Trial

Official title:
PETRA: PErtuzumab and Trastuzumab Biosimilars Real Life Association for the First Line Treatment of HER2-positive Metastatic Breast Cancer, an Observational Prospective Multicenter Study

Clinical Trial Summary

Currently there are five trastuzumab biosimilars approved by EMA (Ogivri® Mylan , Herzuma® Biogaran, Ontruzant® MSD, Trazimera® Pfizer, and Kanjinti® Amgen) for the treatment of HER2-positive breast cancer. EMA's approvals were obtained on phase I pharmacokinetic equivalence trials and phase III clinical trials based on efficacy primary endpoints in the neoadjuvant setting and on Overall Response Rate in metastatic setting. Safety was a secondary endpoints in these trials. Phase III pivotal trials compared trastuzumab biosimilars to Herceptin® in combination with chemotherapy in the neoadjuvant setting and in the metastatic setting. The trials were designed before the approval of pertuzumab (in the neoadjuvant and metastatic settings). Thus, there is no available prospective data on the safety and efficacy of trastuzumab biosimilars in combination with pertuzumab. A biosimilar compound can obtain an extrapolation of its indications to those of the reference biological product since bio-similarity has been demonstrated (ie pharmacokinetic equivalence and clinical studies in the most "sensitive" indications). To date, the use of trastuzumab biosimilar in combination with pertuzumab is allowed, but this combination is not supported by neither scientific evidence nor clinical guidelines. PETRA aims at evaluate the efficacy and safety of the combination of pertuzumab and a trastuzumab biosimilar in real life.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04644406
Study type Observational
Source Hospices Civils de Lyon
Contact Aurelie COMTE, MD
Phone +33 (0)4 78 86 43 18
Email aurelie.comte@chu-lyon.fr
Status Not yet recruiting
Phase
Start date December 2020
Completion date June 2023
View Details
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