Psychometric Validation of the Hemophilia Functional Ability Scoring Tool (Hemo-FAST)

The purpose of this study is to validate the newly developed Hemophilia Functional Ability Scoring Tool (Hemo-FAST), which is a fast and simple scoring in haemophilia able to assess patient-reported functional mobility for adult haemophilia patients.

Inclusion criteria

A patient must fulfil the following criteria in order to be included in the study:

• Age ≥18 years.
• Diagnosis of haemophilia A or B.
• Capable of completing the study Patient-Reported Outcome (PRO) questionnaires in French.
• Signed informed consent.

Exclusion criteria

The presence of any of the following criteria will exclude a patient from inclusion in the study:

• Joint replacement within last 6 months.
• Patients with a non-resolved joint or muscle bleeding event at the enrolment visit or ≤ 7 days prior to the enrolment visit.
• Patients with comorbid illnesses such as juvenile arthritis, muscular dystrophy, neurologic illness/cognitive impairment, or other illnesses that may independently affect HJHS and Hemo-FAST scores and/or limit the ability of the patient to participate in the study as determined by the investigator.