Developing next-generation hemophilia products for patients in need 

Essential Medicines for Hemophilia
Greater Convenience
Superior Outcomes

A leader in the field of engineered protease biopharmaceuticals 

Essential Medicines for Hemophilia
Greater Convenience
Superior Outcomes

Engineering proteases to improve the lives of patients

Essential Medicines for Hemophilia
Greater Convenience
Superior Outcomes

Next Generation Hemostasis Programs

Our most advanced program is focused on the treatment of hemophilia and surgical bleeding using our potent, long acting variants of proteases that promote blood clotting.

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Hemophilia, Surgical Bleeding
Phase 1
Hemophilia B
Preclinical
FXa
Universal Pro-coagulant
Research

*(formerly known as CB 813d)

The Catalyst Advantage

Drug candidates for severe medical conditions

Learn more about the medicines we are developing.

See our Pipeline

Addressing diseases with unmet medical needs

Share our passion about treating disease.

Learn more about Hemophilia

We have an experienced and passionate team

Learn more about the Catalyst team and mission/culture.

Meet the team