Development of simple and multimodal pain evaluation for patients with chronic pain Phase 1: Validation study of practical QST (pQST) Phase 2: Development of normative pQST data in healthy subjects

Development of simple and multimodal evaluation of pain sensitization for patients with chronic pain Phase 1: Validation study of practical QST (pQST) Phase 2: Development of normative pQST data in healthy subjects - Development of simple and multimodal evaluation of pain sensitization for patients with chronic pain Phase 1: Validation study of practical QST (pQST) Phase 2: Development of normative pQST data in healthy subjects

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000038816

Enrollment

220

Registered

2019-12-16

Start date

2019-12-16

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

chronic pain

Interventions

To evaluate pain sensitization parameters (PPT, TS, CPM) using established tool To evaluate pain sensitization parameters (PPT, TS, CPM) using new simple tool (pQST)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy subjects with systemically no pain

Exclusion criteria

Exclusion criteria: 1.acute inflammatory condition (ex. trauma, infection) 2.post-surgical pain within 6 months 3.skin disorders around pain assessment area 4.Psychological disorders (ex. dementia)

Design outcomes

Primary

Measure	Time frame
Association of the pain sensitization parameters (pressure pain threshold: PPT, temporal summation of pain: TS, conditioned pain modulation: CPM) evaluated by established tool and new simple tool	—

Secondary

Measure	Time frame
Distribution of the PPT, TS, and CPM data in healthy subjects considering with age and gender effects	—

Countries

Japan

Contacts

Public ContactShiori Morita

Kochi Medical School, Kochi University Department of Orthopedic surgery

im35@kochi-u.ac.jp088-880-2386

Outcome results

None listed

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