Pain profile and innervation characteristics originating from long head of biceps tendon in patients with rotator cuff tear 1.experimental human pain model study

Pain profile and innervation characteristics originating from long head of biceps tendon in patients with rotator cuff tear 1.experimental human pain model study - Pain profile originating from long head of biceps tendon 1.experimental human pain model study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000023942

Enrollment

Registered

2016-09-06

Start date

2016-09-08

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

Rotator cuff tear

Interventions

Subjects will be injected hypertonic saline (5.8%, 0.3ml) into LHBT. Isotonic saline (0.9%, 0.3ml) will be injected contralaterally in the same session as control.

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Healthy male who does not meet exclusion criteria

Exclusion criteria

Exclusion criteria: 1) History of chronic musculoskeletal pain 2) History of shoulder surgery 3) History of nerve injury 4) Taking pain killers orally (or need to take them during experiment) 5) Psychiatric disorders

Design outcomes

Primary

Measure	Time frame
Pain profile immediately after hypertonic saline injection (intensity, duration, and distribution)	—

Secondary

Measure	Time frame
Pressure pain threshold, Muscle strength, positive rate of clinical LHBT pain tests	—

Countries

Japan

Contacts

Public ContactMiho Taniuchi

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