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Influence on lower respiratory tract by the nosal provocation using the experimantal challenge chamber

Influence on lower respiratory tract by the nosal provocation using the experimantal challenge chamber - Influence on lower respiratory tract by the nosal provocation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000018959
Enrollment
50
Registered
2015-09-09
Start date
2014-09-01
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

Japanese cedar pollinosis

Interventions

None listed

Sponsors

Department of Otorhinolaryngology in Ciba University Graduate School
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients who have medical history of cedar pollinosis for more than 2 years.

Exclusion criteria

Exclusion criteria: 1)Asthma under treatment 2)Allergic rhinitis under treatment induced by other allergen 3)Complication of the other nasal-paranasal disease 4)Use of other antiallergic agent within 4 week 5)Pregnant women and those at risk of pregnancy

Design outcomes

Primary

MeasureTime frame
Change of FeNO and FEV1.0

Countries

Japan

Contacts

Public ContactSyuji Yonekura

Chiba University Graduate School Department of Otorhinolaryngology

jibika@office.chiba-u.jp043-222-7171

Outcome results

None listed

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