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The Effect of Targeting the Plantaris Muscle-tendon in Surgical Correction of Ankle Equinus in Children

RecruitingNAAges 4 Years - 17 YearsAllUniversity of Alberta
NCT07090057 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Tight ankle muscles can produce ankle equinus (limited ability to pull the foot upward) and occur often in children, significantly impacting their ability to walk. If not treated, children with ankle equinus frequently experience reduced function and long-term foot problems, such as pain. Currently, treatment options include surgery or Botulinum toxin (BoNTA) injection into the large calf muscles that point the foot downwards, aiming to reduce their tightness. However, these treatments can be less effective over time, can create prolonged calf weakness, and may require long-term bracing. Another small muscle in the leg, the plantaris, is believed to have some contribution to equinus in many children. It is sometimes included in treatment plans for equinus but its contribution is poorly understood. It is unclear whether targeting the plantaris alone could lead to better treatment of ankle

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📋 Eligibility rules (as published)
Inclusion Criteria (All of the following criteria must be met): * Ability to provided informed consent/assent in English. * Pediatric patients (4-17 years) who have consented for surgery for the management of equinus contracture \* (either TA lengthening or GN recession) at the Stollery Children's Hospital * Known underlying diagnosis of any of the following: idiopathic toe walking, cerebral palsy, hereditary spastic paraparesis, traumatic brain injury, spinal cord injury/tethering, hereditary sensory-motor neuropathy, stroke * Ability to maintain hindfoot and midfoot neutral during assessment * Passive plantarflexion on affected side greater than 20° and greater than degree of equinus contracture. * Note: may be isolated or in conjunction with other orthopaedic procedures; in bilateral ankle equinus procedures, data will be collected bilaterally, but included as a single participant (i.e., single randomization). Exclusion Criteria (Any one or more of the following): * Unable to provide informed consent/assent in English. * Previous surgery for equinus * Limb deficiency on affected side * Knee flexion contracture of greater than 5° * Surgical intervention of the lower extremities below the affected knee in the last twelve months * BoNTA injections below the affected knee within the last six months * Known or suspected arthrofibrosis.
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What it tests

  • Tendoachilles (TA) lengthening or gastrocnemius (GN) recession, then Plantaris tenotomy
  • Plantaris tenotomy, then Tendoachilles (TA) lengthening or gastrocnemius (GN) recession
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Where

1 site
Stollery Children's Hospital
Edmonton, Canada
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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