Initial treatment and clinical course of zoster-associated pain: a retrospective study

A retrospective observational study evaluating the association between initial treatment and clinical course in patients with zoster-associated pain - ZAP-IT study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000060944

Enrollment

115

Registered

2026-03-18

Start date

2026-02-01

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

Zoster associated pain

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients referred for shingles-related pain between January 1, 2020 and December 31, 2025

Exclusion criteria

Exclusion criteria: More than 12 weeks have passed since the referral. The patient is regularly prescribed NSAIDs, acetaminophen, and tramadol.

Design outcomes

Primary

Measure	Time frame
NRS decrease or improvement in pain	—

Countries

Japan

Contacts

Public ContactKazumi Nakamatsu

Wakayama Medical University Hospital Department of Anesthesiology

www-admin@wakayama-med.ac.jp073-441-0611

Outcome results