Bracing options after an ankle fracture
Official title: Bracing After Ankle Fracture (BAF): a Randomised Multicenter Non-inferiority Trial Comparing Ankle Stirrups to Walkers on Pain, Function and Social Interaction for Adults After Ankle Fracture - Study Protocol
Run by Odense University Hospital · NCT07163091 · Data updated 2026-11-12
This trial will test whether a less rigid ankle stirrup works as well as a standard walker to reduce pain and improve function three months after an ankle fracture in adults.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 1400 (estimated) |
| Sponsor | Odense University Hospital Academic / other |
| Locations | 16 sites (Aabenraa and 15 other locations) |
| Status | Recruiting |
| Started | April 23, 2026 |
| Main results expected | September 30, 2028 |
| Study ends | September 30, 2029 |
| Registry record updated | April 29, 2026 |
| Trial ID | NCT07163091 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults aged 18 or older with a recent ankle fracture treated surgically or non-surgically who can adhere to follow-up and read Danish are ideal candidates.
✕Probably not a fit
Patients with open or pathological fractures, those who need prolonged immobilisation or restricted weightbearing, or those unable to adhere to procedures (for example severe neuropathy or major psychiatric disorders) are unlikely to benefit from the less restrictive stirrup.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This randomized non-inferiority trial compares an ankle stirrup to a standard foot-ankle brace (walker) in adults with surgically or non-surgically treated ankle fractures. The primary outcome is pain and function measured by the Manchester-Oxford Foot Questionnaire (MOXFQ) at three months, with a planned sample of up to 1,400 participants to enable subgroup analyses by age, sex, and treatment type. Secondary outcomes include time to return to work, complication rates, and cost, and participants will be followed for recovery and adverse events. The trial aims to determine whether the less restrictive stirrup offers similar clinical outcomes while improving patient experience and recovery speed.
Why it matters
Potential benefit: If successful, patients could have a less restrictive brace option that may speed recovery, improve comfort, and shorten time off work without increasing complications.
How similar studies have gone: A prior randomized trial (Smeeing et al. 2020) indicated similar functional outcomes and faster return to work with less restrictive devices but was terminated early and underpowered, so evidence remains limited and inconclusive.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * 18 years or older * Surgically or non-surgically treated ankle fracture Exclusion Criteria: * Pathological fractures * Inadequacy to read or speak danish * Open fractures * Prolonged need for immobilisation (e.g. non-union or insufficient wound healing) * Inability to adhere to trial procedures (e.g. neuropathy or severe psychiatric disorder) * Restricted weightbearing * Uninterest in participating
Where it's running
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Orthopedic Department, Aarhus University Hospital
Aarhus, Denmark Recruiting -
Orthopedic Department, Hospital Lillebaelt - Kolding
Kolding, Denmark Recruiting -
Orthopedic Department, Zealand University Hospital - Køge
Køge, Denmark Recruiting -
Orthopedic Department, Odense University Hospital
Odense, Denmark Recruiting -
Orthopedic Department, Hospital of Southern Jutland
Aabenraa, Denmark Not yet recruiting -
Orthopedic Department, Aalborg Universitets Hospital
Aalborg, Denmark Not yet recruiting
Show 10 more locations
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Orthopedic Department, Bispebjerg Hospital
Copenhagen, Denmark Not yet recruiting -
Orthopedic Department, Hospital of South West Jutland
Esbjerg, Denmark Not yet recruiting -
Orthopedic Department, Herlev Hospital
Herlev, Denmark Not yet recruiting -
Orthopedic Department, North Zealand Hospital
Hillerød, Denmark Not yet recruiting -
Orthopedic Department, Hvidovre Hospital
Hvidovre, Denmark Not yet recruiting -
Orthopedic Department, Randers Hospital
Randers, Denmark Not yet recruiting -
Orthopedic Department, Slagelse Hospital
Slagelse, Denmark Not yet recruiting -
Orthopedic Department, Hospital Lillebaelt - Vejle
Vejle, Denmark Not yet recruiting -
Orthopedic Department, Viborg Hospital
Viborg, Denmark Not yet recruiting -
Surgical Centre, National Hospital of the Faroe Islands
Tórshavn, Faroe Islands Not yet recruiting
Study contacts
- Study coordinator: Jonas A Ipsen, phd
- Email: Jonas.Ammundsen.Ipsen@rsyd.dk
- Phone: +4523925264
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Less bulky ankle braces or a stirrup: testing active movement after an ankle fracture
This trial tests whether lightweight ankle stirrups that allow movement help adults recover faster after an ankle fracture compared with rigid foot-ankle braces.
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.