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

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

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000053897

Enrollment

100

Registered

2024-03-19

Start date

2024-04-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acquired Hemophilia A

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Physicians in hematology, emergency medicine, general internal medicine, general medicine, or pediatrics who have diagnosed or treated patients with AHA in the past three years before giving their consent

Exclusion criteria

Exclusion 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

Design outcomes

Primary

Measure	Time frame
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

Measure	Time frame
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	—

Measure

Time frame

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

—

Countries

Japan

Contacts

Public ContactMadoka Go

Takeda Pharmaceutical Company Limited Japan Medical Office

madoka.go@takeda.com090-1872-0300

Outcome results