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Pharma Tech Outlook | Monday, May 17, 2021
Crimson 1 is an open-label, global, multi-center, randomized, cross-over study that compares the safety and efficacy of SQ MarzAA versus standard of care for episodic treatment of spontaneous or traumatic bleeding episodes in adults and adolescents with congenital Hemophilia A or B with inhibitors.
FREMONT, CA: Catalyst Biosciences, a research and clinical development biopharmaceutical company, recently revealed the dosing of the first patient in the Crimson 1 Study, the company’s Phase 3 registration trial (MAA-304 - Crimson 1) of Marzeptacog alfa (activated), or MarzAA, the company’s next-generation engineered recombinant coagulation Factor VIIa administered subcutaneously (SQ) (rFVIIa).
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“Dosing the first patient in our pivotal Phase 3 study of MarzAA is an important milestone for Catalyst given the significant challenges encountered in conducting clinical trials during the ongoing global Covid-19 pandemic,” said Nassim Usman, Ph.D., president, and chief executive officer of Catalyst. “MarzAA is the only SQ-delivered therapy in development for the episodic treatment of bleeding events and if successful, could fundamentally change patient’s lives. We look forward to providing further updates on the MAA-304 study, the associated Phase 1/2 study (MAA-202) in other rare bleeding disorders, and in our growing complement pipeline later this year.”
Crimson 1 is an open-label, global, multi-center, randomized, cross-over study that compares the safety and efficacy of SQ MarzAA versus standard of care for episodic treatment of spontaneous or traumatic bleeding episodes in adults and adolescents with congenital Hemophilia A or B with inhibitors. The efficacy of SQ MarzAA, given in up to three doses to treat a bleeding episode, will be compared to IV FEIBA or up to three doses of IV rFVIIa in this study. In 2021, Catalyst plans to send its first report to the Data and Safety Monitoring Board (DSMB).
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