Web-based Survey Study on Diagnosis and Testing of Acquired Hemophilia A (AHA) among Physicians in Japan

UMIN ID: UMIN000053897

Registered date:19/03/2024

Basic Information

• Recruitment status: Pending
• Health condition(s) or Problem(s) studied: Acquired Hemophilia A
• Date of first enrollment: 2024/04/01
• Target sample size: 100
• Countries of recruitment: Japan
• Study type: Observational

Outcome(s)

• Primary Outcome: Time to diagnosis from onset of bleeding -Time to visit/to admission to the department to which the target doctor belongs from onset of bleeding -Time to diagnosis from patient's visit to the department to which the target doctor belongs
• Secondary Outcome: 1.Test of AHA -Test items, testing sites (in-hospital tests/outsourced tests) -Time required for test of AHA -Tests leading to initiation of AHA treatment 2.Issues on diagnosis and test of AHA as assessed by the following items -Diagnosis test which is the cause of delay in obtaining the result for diagnosis -Cause of the difficulty of diagnosis -Cause of the wondering the interpretation of the result on diagnosis -Referral process from other department

Key inclusion & exclusion criteria

• Age minimum: Not applicable
• Age maximum: Not applicable
• Gender: Male and Female
• Exclude criteria: 1. Physicians with less than two years of clinical experience at giving their consent (excluding residency) 2. Physicians working in facilities other than clinics, university hospitals, general hospitals, national and public hospitals at giving their consent 3. Physicians who are not treating either outpatients or inpatients at giving their consent 4. Physicians who require regal representatives

Related Information

• Primary Sponsor: Takeda Pharmaceutical Company Limited
• Source(s) of Monetary Support: Takeda Pharmaceutical Company Limited