UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000060944 |
|---|---|
| Receipt number | R000069744 |
| Scientific Title | A retrospective observational study evaluating the association between initial treatment and clinical course in patients with zoster-associated pain |
| Date of disclosure of the study information | 2026/03/18 |
| Last modified on | 2026/03/16 14:38:03 |
* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments
Basic information
Public title
Initial treatment and clinical course of zoster-associated pain: a retrospective study
Acronym
Zoster-associated pain initial treatment study
Scientific Title
A retrospective observational study evaluating the association between initial treatment and clinical course in patients with zoster-associated pain
Scientific Title:Acronym
ZAP-IT study
Region
| Japan |
Condition
Condition
Zoster associated pain
Classification by specialty
| Medicine in general | Anesthesiology |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
This study retrospectively investigates the pain course of patients who received oral medication treatment in our department, particularly those who were not properly prescribed oral medication.
Basic objectives2
Efficacy
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2
Developmental phase
Assessment
Primary outcomes
NRS decrease or improvement in pain
Key secondary outcomes
Base
Study type
Observational
Study design
Basic design
Randomization
Randomization unit
Blinding
Control
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment
Intervention
No. of arms
Purpose of intervention
Type of intervention
Interventions/Control_1
Interventions/Control_2
Interventions/Control_3
Interventions/Control_4
Interventions/Control_5
Interventions/Control_6
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10
Eligibility
Age-lower limit
| 39 | years-old | <= |
Age-upper limit
| 88 | years-old | >= |
Gender
Male and Female
Key inclusion criteria
Patients referred for shingles-related pain between January 1, 2020 and December 31, 2025
Key exclusion criteria
More than 12 weeks have passed since the referral.
The patient is regularly prescribed NSAIDs, acetaminophen, and tramadol.
Target sample size
115
Research contact person
Name of lead principal investigator
| 1st name | Kazumi |
| Middle name | |
| Last name | Nakamatsu |
Organization
Wakayama Medical University Hospital
Division name
Department of Anesthesiology
Zip code
6418509
Address
Wakayama ken Wakayama-shi Kimiidera 811 - 1 17 811-1 Kimidera, Wakayama City, Wakayama Prefecture
TEL
0734472300
knakamatsu@wakayama-med.ac.jp
Public contact
Name of contact person
| 1st name | Kazumi |
| Middle name | |
| Last name | Nakamatsu |
Organization
Wakayama Medical University Hospital
Division name
Department of Anesthesiology
Zip code
641-8509
Address
Wakayama ken Wakayama-shi Kimiidera 811 - 1 17 811-1 Kimidera, Wakayama City, Wakayama Prefecture
TEL
073-441-0611
Homepage URL
www-admin@wakayama-med.ac.jp
Sponsor or person
Institute
Wakayama Medical University
Institute
Department
Personal name
Funding Source
Organization
none
Organization
Division
Category of Funding Organization
Non profit foundation
Nationality of Funding Organization
Other related organizations
Co-sponsor
Name of secondary funder(s)
IRB Contact (For public release)
Organization
Wakayama Medical University
Address
811-1 Kimidera, Wakayama City, Wakayama Prefecture
Tel
0734472300
www-admin@wakayama-med.ac.jp
Secondary IDs
Secondary IDs
NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW
Institutions
Institutions
Other administrative information
Date of disclosure of the study information
| 2026 | Year | 03 | Month | 18 | Day |
Related information
URL releasing protocol
Publication of results
Unpublished
Result
URL related to results and publications
Number of participants that the trial has enrolled
115
Results
Results date posted
Results Delayed
Results Delay Reason
Date of the first journal publication of results
Baseline Characteristics
Participant flow
Adverse events
Outcome measures
Plan to share IPD
IPD sharing Plan description
Progress
Recruitment status
No longer recruiting
Date of protocol fixation
| 2026 | Year | 01 | Month | 31 | Day |
Date of IRB
| 2026 | Year | 03 | Month | 31 | Day |
Anticipated trial start date
| 2026 | Year | 02 | Month | 01 | Day |
Last follow-up date
| 2026 | Year | 03 | Month | 31 | Day |
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
This study included patients referred for shingles-related pain between January 1, 2020, and December 31, 2025.
Management information
Registered date
| 2026 | Year | 03 | Month | 16 | Day |
Last modified on
| 2026 | Year | 03 | Month | 16 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000069744
