- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04732897
Impact of a Dynamic Dressing in the Management of Unoperated Hallux Valgus (DYNHALLUX) (DYNHALLUX)
Impact of a Dynamic Dressing in the Management of Unoperated Hallux Valgus With Theoretical Indication for Surgery: Randomized Open Trial
Hallux Valgus (HV) is a lateral deviation of the big toe. HV is a deformity of the forefoot centered on the 1st radius (1st metatarsal and big toe). This deformation is characterized by:
- a big toe (hallux) deviated outwards (valgus greater than 12 °)
- a first metatarsal moved medially (varus) (angle M1 / M2> 10 °). We also note the existence of an exostosis formed by the apex of the angle between the 1st metatarsal deviated inwards and the big toe deported outwards. This exostosis corresponds to the head of the 1st metatarsal.
In addition to the pain and the unaesthetic nature induced by this deviation, the modifications of the skeletal axes of the foot cause disorders of its function but also of the joints of the lower limb during standing, walking and running. Axis defects of the lower limbs in varum or valgum also cause deformities in the rearfoot, midfoot and forefoot.
There is no non-surgical curative treatment for this deformity. Different conservative treatment options have been offered for first-line treatment, including different types of physiotherapy, wearing rigid insoles or splints.
Wearing rigid insoles is indicated to "counter" the valgic pressure, thereby reducing pain and high plantar pressure, in patients with HV. Their hardness, expressed in SHORE units, must be greater than 65. By countering the valgic pressure (rearfoot and midfoot), the rigid soles make it possible to contain the development of deformation and stabilize the axis of the first spoke. The speed of hallux deformation is therefore greatly reduced if the soles are worn diligently. But there is little or no impact on the correction of the deformity, but it is stabilized as it is without rapid and major worsening. Indeed, soles with a hardness greater than or equal to 65 SHORE make it possible to avoid the valgum of the hindfoot and midfoot under load and when walking.
Wearing a dynamic splint was studied in a recently published prospective randomized study conducted between 2011 and 2013. This study, concluding that the dynamic splint is not effective in reducing the angle of deformation of the HV, nevertheless shows the reduction in pain during walking and running. The limits of the study lie in the pace of wearing the splint, left to the discretion of patients, during their rest period, and in the duration of the operation, which is not precisely described.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Metz-Tessy, France, 74374
- Centre Hospitalier Annecy Genevois
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- hallux valgus on at least one foot theoretically requiring surgical management within 12 months
- reducible hallux valgus
- wearing custom-made orthopedic insoles made by a biomechanical podiatrist - SHORE ≥ 65 - for at least 2 months at the time of inclusion
- beneficiary of a social security scheme
- informed of the study and signed informed consent form
Exclusion Criteria:
- History of hallux valgus correction surgery on the affected foot
- History of traumatic lesion of the M1-P1 metatarsophalangeal joint of the affected foot
- Skin pathology limiting or contraindicating the possibility of dressings according to the judgment of the investigator (eg dyshidrotic eczema, psoriasis or other problematic skin damage located in the foot)
- Acute bursitis
- Clinical and / or radiological stage 1 or more osteoarthritis according to the criteria of Kellgren and Lawrence
- Non-stabilized diabetes and / or diabetes with micro / macrovascular complications
- Patients with neuropathy
- History of gout
- History of rheumatic pathology
- Obliterating arteriopathy of the lower limbs of stage II or more according to the classification of Leriche and Fontaine
- Pregnant woman
- Patients under tutorship or curatorship
- Patients under legal protection
- Patients who do not understand French
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
No Intervention: Control arm
wearing made-to-measure soles with SHORE greater than or equal to 65 (standard of care)
|
|
Experimental: Interventional arm
wearing made-to-measure soles with SHORE greater than or equal to 65 + dynamic dressing of the joint
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Dynamic dressing is made by bandages of the foot with gauze pad, stretchable adhesive tape and elastic compression band
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline M1 / P1 angle at day 75 measured by weightbearing foot radiograph
Time Frame: radiograph between day 0 less than 6 months and day 0 and radiograph at day 75
|
M1 / P1 angle measured before and after intervention
|
radiograph between day 0 less than 6 months and day 0 and radiograph at day 75
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Variation of the M1 / M2 angle measured by weightbearing foot radiograph
Time Frame: radiograph between day 0 less than 6 months and day 0 and radiograph at day 75
|
M1 / M2 angle measured before and after intervention
|
radiograph between day 0 less than 6 months and day 0 and radiograph at day 75
|
Variation of the M1 / P1 and M1/M2 angle measured by weightbearing foot radiograph at long time
Time Frame: radiograph at day 75 and at month 6 and month 12
|
M1/P1 et M1 / M2 angle measured just at the end of the intervention and at long time
|
radiograph at day 75 and at month 6 and month 12
|
12-month surgery rate
Time Frame: month 12
|
use of surgery 12 months after randomization
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month 12
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Quality of life measured by the American Orthopedic Foot and Ankle Society score
Time Frame: day 0, day 75, month 6 and month 12
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American Orthopedic Foot and Ankle Society - hallux metatarsophalangeal interphalangeal scale (min = 0, max = 100, higher scores mean a better outcome).
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day 0, day 75, month 6 and month 12
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Quality of life measured by the Foot Function Index score
Time Frame: day 0, day 75, month 6 and month 12
|
Foot Fonction Index (min = 0, max = 100, higher scores mean a worse outcome).
|
day 0, day 75, month 6 and month 12
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Quality of life measured by the EuroQol Visual Analogue Scale
Time Frame: day 0, day 75, month 6 and month 12
|
EuroQol Visual Analogue Scale (min = 0, max = 100, higher scores mean a better outcome.
|
day 0, day 75, month 6 and month 12
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Pain Visual Analogue Scale
Time Frame: day 0, day 75, month 6 and month 12
|
Pain Visual Analogue Scale (min = 0, max = 10, higher scores mean a worse outcome).
|
day 0, day 75, month 6 and month 12
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Physician clinical qualitative assessement of skin condition
Time Frame: day 0 and day 75
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Presence or absence of irritation, blisters, redness, itching
|
day 0 and day 75
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Collaborators and Investigators
Investigators
- Principal Investigator: Guy Allamel, PhD, CH Annecy Genevois
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 18-45
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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