U.S., Oct. 6 -- ClinicalTrials.gov registry received information related to the study (NCT07859527) titled 'A Study to Learn About the Study Medicine (Called Marstacimab) in People With Hemophilia A or B' on Sept. 29.

Brief Summary: The purpose of this non-interventional, observational, real-world study is to find out what are the real-world experiences of people living with hemophilia A or B[OK1.1] who start the study medicine (called marstacimab) in routine clinical practice. Hemophilia is a rare genetic condition where the blood does not clot normally, meaning people bleed longer than usual after an injury.

This study is seeking participants who are living with hemophilia A or B and:

* Have a medical record documenting hemophilia A or...