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An etiological study on Japanese cedar and cypress pollen dispersion and antigen sensitization in Hiroshima

An etiological study on Japanese cedar and cypress pollen dispersion and antigen sensitization in Hiroshima - Japanese cedar and cypress pollen dispersion and antigen sensitization

Status
Active, not recruiting
Phases
Unknown
Study type
Unknown
Source
JPRN
Registry ID
JPRN-UMIN000037960
Enrollment
1000
Registered
2019-09-09
Start date
2019-08-31
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

Cedar and cypress pollinosis

Interventions

None listed

Sponsors

Hiroshima University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients who had allergen blood tests

Exclusion criteria

Exclusion criteria: None

Design outcomes

Primary

MeasureTime frame
Annual changes of the positive rate of antigen specific IgE levels against cedar and cypress—

Countries

Japan

Contacts

Public ContactYuichiro Horibe

Graduate School of Biomedical and Health Sciences, Hiroshima University Department of Otorhinolaryngology, Head and Neck Surgery

jibi@hiroshima-u.ac.jp0822575252

Outcome results

None listed

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