A prospective study on the clinical efficacy of Narrow-band UVB Therapy for chronic prurigo

A prospective study on the clinical efficacy of Narrow-band UVB Therapy for chronic prurigo - Narrow-band UVB therapy for chronic prurigo

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs062250076

Enrollment

Registered

2025-12-24

Start date

2025-12-24

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

Prurigo nodularis and chronic prurigo (including prurigo chronica multiformis) prurigo nodularis, chronic prurigo, prurigo chronica multiformis

Interventions

To evaluate the efficacy and safety of NB-UVB therapy for prurigo patients (prurigo nodularis and prurigo chronica multiformis) .

D014507

Ultraviolet Therapy

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients clinically diagnosed with nodular prurigo/prurigo chronica multiformis who have resistance to conventional treatment (topical steroids and antihistamines)

Exclusion criteria

Exclusion criteria: Patients undergoing treatment with biological agents or JAK inhibitors, patients with a history of skin cancers, patients with photosensitivity

Design outcomes

Primary

Measure	Time frame
Percentage change (%) in skin rash area at 12 weeks of NB-UVB therapy	—

Secondary

Measure	Time frame
Pruritus VAS Score, EASI Score (Eczema Area and Severity Index), Hematologic and Immunologic Markers, Incidence of Adverse Events, Change rate in skin area at each time point other than 12 weeks	—

Contacts

Public ContactKatsuhiko Nishihara

Ehime University Hospital

votum_stellarum2@yahoo.co.jp+81-899605350

Outcome results

None listed

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