Hemostasis Today

May, 2026
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Michael Makris։ A New NEJM Paper Shows Results for Mim8, a Drug Similar to Emicizumab
May 1, 2026, 14:43

Michael Makris։ A New NEJM Paper Shows Results for Mim8, a Drug Similar to Emicizumab

Michael Makris, Emeritus Professor of Haemostasis and Thrombosis at University of Sheffield, shared a post on LinkedIn about a recent article by Maria Elisa Mancuso et al, published in The New England Journal of Medicine (NEJM), adding։

”The Mim8 results paper was published today in the New England Journal of Medicine.

Mim8 works in the same way and is a direct competitor to emicizumab (Hemlibra).

The introduction of emicizumab has been the most impactful change in hemophilia care in the last 20-25 years.

Both Mim8 and emicizumab are bispecific antibodies. Is one better than the other in terms of efficacy? Only a randomised trial will tell us this, but nobody will do such a trial. I expect there will be lots of papers comparing the two products in a non-randomised way, with all the limitations that they bring.

In most countries, the introduction of a second similar drug will result in competition and lower prices, but I doubt this will be the case in the US.

The PDF of the paper is behind a paywall, but here is the graphical summary.”

Title: Mim8 Bispecific Antibody Prophylaxis in Hemophilia A with or without Inhibitors

Authors: Maria Elisa Mancuso, Anthony K.C. Chan, Chandrakala Shanmukhaiah, Chuhl Joo Lyu, Joanna Zdziarska, Johnny Mahlangu, Lize F.D. van Vulpen, Pratima Chowdary, Renchi Yang, Steven R. Lentz, Tadashi Matsushita, Wan Hui Ong Clausen, Ilgiz Rakhmatullin, Johannes Oldenburg

Michael Makris։ A New NEJM Paper Shows Results for Mim8, a Drug Similar to Emicizumab

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