Effect of Night-time and Full-time Splinting for Carpal Tunnel Syndrome
NCT ID: NCT05637294
Last Updated: 2025-08-12
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
NA
110 participants
INTERVENTIONAL
2023-02-15
2026-12-31
Brief Summary
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The FINCROSS trial (randomized cross-over trial) aims to assess the effect of night-time and full-time splinting in comparison with no-treatment. It also aims to identify possible subgroups of people who would benefit from splinting, as well as assess if positive response to splinting is associated with subsequent lower need of surgery.
The trial will recruit 110 people with carpal tunnel syndrome in Finland. Each participant will undergo all three treatment periods in a randomised order: 1) splinting at night-time for six weeks, 2) splinting both day and night for six weeks; and 3) be assessed under a six weeks long control period of no-treatment.
Each treatment period will be separated with a three-week washout period. Therefore, the whole treatment sequence for each participant lasts 24 weeks after randomization. The participant will be followed-up to 1 year after the randomisation.
Additionally, the participants will get instructions for self-administered stretching exercises to perform throughout the study. All participants will be asked to avoid any intervention administered or supervised by medical personnel (such as structured supervised exercises, manual therapy, steroid injections, surgery, etc.).
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
TREATMENT
NONE
Study Groups
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Sequence of three treatment periods in the following order: ABC
Splinting at night while sleeping for 6 weeks (period A), then no treatment for 6 weeks (period B), then splinting at day and night for 6 weeks (period C). Each treatment period will be separated by 3-week washout period.
splinting
neutral-positioned wrist orthosis
Sequence of three treatment periods in the following order: ACB
Splinting at night while sleeping for 6 weeks (period A), then splinting at day and night for 6 weeks (period C), then no treatment for 6 weeks (period B). Each treatment period will be separated by 3-week washout period.
splinting
neutral-positioned wrist orthosis
Sequence of three treatment periods in the following order: BAC
No treatment for 6 weeks (period B), then splinting at night while sleeping for 6 weeks (period A), then splinting at day and night for 6 weeks (period C). Each treatment period will be separated by 3-week washout period.
splinting
neutral-positioned wrist orthosis
Sequence of three treatment periods in the following order: BCA
No treatment for 6 weeks (period B), then splinting at day and night for 6 weeks (period C), then splinting at night while sleeping for 6 weeks (period A). Each treatment period will be separated by 3-week washout period.
splinting
neutral-positioned wrist orthosis
Sequence of three treatment periods in the following order: CAB
Splinting at day and night for 6 weeks (period C), then splinting at night while sleeping for 6 weeks (period A), then no treatment for 6 weeks (period B). Each treatment period will be separated by 3-week washout period.
splinting
neutral-positioned wrist orthosis
Sequence of three interventions/treatments in the following order: CBA
Splinting at day and night for 6 weeks (period C), then no treatment for 6 weeks (period B), then splinting at night while sleeping for 6 weeks (period A). Each treatment period will be separated by 3-week washout period.
splinting
neutral-positioned wrist orthosis
Interventions
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splinting
neutral-positioned wrist orthosis
Eligibility Criteria
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Inclusion Criteria
2. Symptom duration of CTS for at least 3 weeks,
3. No previous corticosteroid injection for CTS during last 6 months,
4. No previous surgery for CTS,
5. Aged 18 years or older,
6. Able to complete self-report questionnaires electronically,
7. Able to understand Finnish,
8. Willing to join the study and follow the study protocol instructions,
9. Sign informed consent.
Exclusion Criteria
2. Other neurological condition affecting the function of the hand such as Multiple Sclerosis, previous nerve injury,
3. Active Rheumatoid arthritis or any other active inflammatory joint disease affecting the hand,
4. Thenar muscle atrophy,
5. Untreated hypothyroidism,
6. Known allergy to any of the splint materials (self-reported by patient),
7. Long term treatment (over 4 months) for CTS with no response,
8. Any other known reason that could prevent from participation for the study time.
18 Years
ALL
No
Sponsors
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Terveystalo
OTHER
Hospital Nova of Central Finland
UNKNOWN
Mikkeli Central Hospital
OTHER
Tampere University Hospital
OTHER
Responsible Party
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Principal Investigators
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Teemu Karjalainen
Role: PRINCIPAL_INVESTIGATOR
Tampere University Hospital
Jarkko Jokihaara
Role: PRINCIPAL_INVESTIGATOR
Tampere University Hospital
Locations
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Terveystalo Kamppi
Helsinki, , Finland
Hospital Nova of Central Finland
Jyväskylä, , Finland
Terveystalo Jyväskylä
Jyväskylä, , Finland
Mikkeli Central Hospital
Mikkeli, , Finland
Tampere University Hospital
Tampere, , Finland
Terveystalo Tampere
Tampere, , Finland
Countries
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Central Contacts
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Facility Contacts
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Teemu Paatela
Role: primary
Teemu Karjalainen
Role: primary
Teemu Karjalainen
Role: primary
Anniina Laurema
Role: primary
Teemu Karjalainen
Role: primary
Other Identifiers
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R22093
Identifier Type: -
Identifier Source: org_study_id
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