UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000060471 |
|---|---|
| Receipt number | R000069185 |
| Scientific Title | A retrospective observational study of clinical characteristics, imaging findings, and pharmacological management of trigeminal neuralgia patients presenting to a dental pain clinic |
| Date of disclosure of the study information | 2026/01/26 |
| Last modified on | 2026/01/26 21:18:09 |
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Basic information
Public title
Clinical characteristics and pharmacological management of patients with trigeminal neuralgia presenting to a dental pain clinic
Acronym
TN-DPC study
Scientific Title
A retrospective observational study of clinical characteristics, imaging findings, and pharmacological management of trigeminal neuralgia patients presenting to a dental pain clinic
Scientific Title:Acronym
TN-DPC retrospective study
Region
| Japan |
Condition
Condition
Trigeminal neuralgia
Classification by specialty
| Dental medicine |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
To clarify the clinical characteristics, association with dental treatment, MRI findings, pharmacological management, and referral to surgical treatment in patients with trigeminal neuralgia presenting to a dental pain clinic.
Basic objectives2
Others
Basic objectives -Others
To describe patient demographics and pain distribution patterns in trigeminal neuralgia patients presenting to a dental clinic.
Trial characteristics_1
Trial characteristics_2
Developmental phase
Assessment
Primary outcomes
Clinical characteristics including age, sex, pain distribution, and association with dental treatment
Key secondary outcomes
MRI findings of neurovascular compression, prescribed medications, and referral to neurosurgery
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
| Not applicable |
Age-upper limit
| Not applicable |
Gender
Male and Female
Key inclusion criteria
Patients diagnosed with trigeminal neuralgia at their first visit to the orofacial pain clinic during the study period
Key exclusion criteria
Patients with insufficient medical records
Target sample size
300
Research contact person
Name of lead principal investigator
| 1st name | Shigeru |
| Middle name | |
| Last name | Maeda |
Organization
Institute of Science Tokyo
Division name
Department of Dental Anesthesiology (Orofacial Pain Clinic)
Zip code
113-8510
Address
1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan
TEL
03-5803-5548
maedas.daop@tmd.ac.jp
Public contact
Name of contact person
| 1st name | Shigeru |
| Middle name | |
| Last name | Maeda |
Organization
Institute of Science Tokyo
Division name
Department of Dental Anesthesiology (Orofacial Pain Clinic)
Zip code
113-8510
Address
1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan
TEL
03-5803-5548
Homepage URL
maedas.daop@tmd.ac.jp
Sponsor or person
Institute
Institute of Science Tokyo
Institute
Department
Personal name
Funding Source
Organization
Institute of Science Tokyo
Organization
Division
Category of Funding Organization
Other
Nationality of Funding Organization
Other related organizations
Co-sponsor
Name of secondary funder(s)
IRB Contact (For public release)
Organization
Institute of Science Tokyo
Address
1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan
Tel
03-5803-5548
maedas.daop@tmd.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 | 01 | Month | 26 | 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
303
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
| 2018 | Year | 01 | Month | 01 | Day |
Date of IRB
| 2022 | Year | 05 | Month | 06 | Day |
Anticipated trial start date
| 2018 | Year | 01 | Month | 01 | Day |
Last follow-up date
| 2025 | Year | 12 | Month | 31 | Day |
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
This study is a retrospective observational study. Eligible participants were patients diagnosed with trigeminal neuralgia at their first visit to the orofacial pain clinic during the study period. Data were collected from medical records and imaging archives, including age, sex, pain distribution, association with dental treatment, MRI findings (presence of neurovascular compression and responsible vessels), prescribed medications, and referral to neurosurgery. No intervention, randomization, or blinding was performed.
Management information
Registered date
| 2026 | Year | 01 | Month | 26 | Day |
Last modified on
| 2026 | Year | 01 | Month | 26 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000069185
