The prospective and cross-sectional study to detect undiagnosed blood borne viruses (BBV) infections at HIV and STI clinics in Japan

The prospective and cross-sectional study to detect undiagnosed blood borne viruses (BBV) infections at HIV and STI clinics in Japan - The study to detect undiagnosed BBV infections

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000058929

Enrollment

4600

Registered

2025-08-30

Start date

2025-10-06

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

HIV, hepatitis B, hepatitis C, hepatatis D

Interventions

blood draw

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. ACC or SHC patients those who had their first visit at NCGM in 2017 or later (most of them are MSM). 2. Women and trans gender who see PHC or IDC.

Exclusion criteria

Exclusion criteria: Persons under 18 years of age. Those who cannot read and write Japanese.

Design outcomes

Primary

Measure	Time frame
To assess the prevalence and incidence of BBV in each group, data of phase 1, phase 2, and phase 3 will be collected.	—

Secondary

Measure	Time frame
To evaluate the usefulness of the optout method, data of phase 1 and phase 2 will be compared. Evaluate how risk factors and behaviors such as genders, anal intercourse, PrEP use, intravenous drug use, and CSW affect BBV infection in each population.	—

Countries

Japan

Contacts

Public ContactHaruka UEMURA

National Center for Global Health and Medicine, Japan Institute for Health Security AIDS Clinical Ceneter

uemura.h@jihs.go.jp0332027181

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026