Effects of narrow-band ultraviolet-B irradiation on gene expression of histamine H1 receptor and allergy-related cytokines induced by artificial exposure of Japanese cedar pollen in nasal mucosa in of patients with pollinosis in the off-season.

Effects of narrow-band ultraviolet-B irradiation on gene expression of histamine H1 receptor and allergy-related cytokines induced by artificial exposure of Japanese cedar pollen in nasal mucosa in of patients with pollinosis in the off-season. - Effects of narrow-band ultraviolet-B irradiation on gene expression of histamine H1 receptor and allergy-related cytokines induced by artificial exposure of Japanese cedar pollen in nasal mucosa in of patients with pollinosis in the off-season.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000030765

Enrollment

Registered

2018-02-19

Start date

2018-03-01

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

Allergic rhinitis (pollinosis)

Interventions

Intranasal irradiation of narrow-band ultraviolet-B at a dose of 150mJ/cm2 once a day for 3 days

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Adult patients with pollinosis.

Exclusion criteria

Exclusion criteria: Patients who was excluded by investigators

Design outcomes

Primary

Measure	Time frame
Gene expression of histamine H1 receptor and allergy-related cytokines (IL-4, 5 and 9) of the nasal mucosa	—

Secondary

Measure	Time frame
The allergic rhinitis symptoms including sneezing, nasal discharge and nasal obstruction	—

Countries

Japan

Contacts

Public ContactNoriaki Takeda

University of Tokushima School of Medicine Department of Otolaryngology

takeda@tokushima-u.ac.jp088-633-7169

Outcome results

None listed

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