The relationship between oral sensitivity to spice, tactile and heat thresholds and SNP (Single Nucleotide Polymorphism) in patients complaining of oral pain

The relationship between oral sensitivity to spice, tactile and heat thresholds and SNP (Single Nucleotide Polymorphism) in patients complaining of oral pain - The relationship between sensitivity to spice, tactile and heat threshold and SNP

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000008974

Enrollment

Registered

2012-10-01

Start date

2012-09-01

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

Patients complaining of oral pain

Interventions

1.The tactile threshold of upper lip 2.The temperature threshold of the tongue and lower lip 3.Measure the VAS of the sensitivity when 55C water is in the mouth 4.Measure the VAS and threshold to

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Japanese Patients who complain of oral pain after giving consent to sensory tests Healthy Japanese who give consent to sensory tests.

Exclusion criteria

Exclusion criteria: 1.People with body temperatures above 38C 2.People who have experienced cerebral strokes, head or neck trauma and resultant operations. 3.People who have experienced trigeminal injury 4.People who suffer from neuropathy or chronic pain as a result from chronic diseases like diabetes or rheumatoid arthritis. 5.People who have dermatological or oral mucosa problems on measuring area 6.People who are pregnant 7.Incompatible people

Design outcomes

Primary

Measure	Time frame
Sensitivity to spice, tactile and heat threshold SNP	—

Secondary

Measure	Time frame
Questionnaire of spice stimuli and eating habit	—

Countries

Japan

Contacts

Public ContactYukiko Ohyama

Graduate School of Dental Science, Kyushu University Department of Oral and Maxillofacial Surgery

yuki@dent.kyushu-u.ac.jp092-642-6452

Outcome results

None listed

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