Cartesian: pioneering RNA-engineered cell therapy in cancer and beyond – Clinical Trials Arena

Micrograph showing a lymph node invaded by ductal breast carcinoma and with extranodal extension of tumour. Credit: Nephron.

Swiss biotech Polyphor has reported that its investigational asset, balixafortide, has failed to meet co-primary endpoint in a late-stage breast cancer study.

The global Phase III study, FORTRESS, assessed the effectiveness of balixafortide (POL6326) in combination with eribulin for treating patients with HER2 negative, locally recurrent, or metastatic breast cancer.

A primary analysis of the results shows that the combination drug did not improve objective response rate (ORR) when compared with eribulin alone arm (13.0% versus 13.7%; p=1.00) in the third line and later population followed for a minimum of six months.

The eribulin alone arm also outperformed the balixafortide plus eribulin arm in clinical benefit rate, a key secondary endpoint of the study.

However, the safety and tolerability profile of balixafortide in the study was in line with the previously reported Phase Ib study.

The company will continue to assess the study data, review it with experts, and confirm its future next month.

Polyphor CEO Gkhan Batur said: Given the high unmet medical need for patients with HER2 negative breast cancer in a late stage of the disease, we are disappointed that the FORTRESS study did not meet its coprimary endpoint.

We thank all the patients, investigators and healthcare professionals, as well as our employees for their active participation in this study.

The failure of the FORTRESS study also forced Polyphor board of directors to initiate a strategic assessment regarding the future of the company. The assessment will explore multiple options and will provide an update before the end of next month.

Drug Processing Technology and Laboratory Equipment

Contract Manufacturing Organisation and Pharmaceutical Supply Services

Drug Processing Technology and Laboratory Equipment

28 Aug 2020

Contract Manufacturing Organisation and Pharmaceutical Supply Services

28 Aug 2020

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Cartesian: pioneering RNA-engineered cell therapy in cancer and beyond - Clinical Trials Arena