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NCT07260565: ISOTOX
Impact of a Sequential Isokinetic Fatigue Protocol Followed by Ankle Strengthening After Botulinum Toxin Injection Into Spastic Plantar Flexors on Foot Lift Strength and Walking
NA trial testing Isokinetic rehabilitation protocol. in Spasticity of the Plantar Flexors in 30 participants. Not yet recruiting.
1 November 2028
Quick facts
| Lead sponsor | Clinique Victor Pauchet |
|---|---|
| Phase | NA |
| Status | Not yet recruiting |
| Study type | INTERVENTIONAL |
| Allocation | randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | treatment |
| Enrollment | 30 |
| Start date | 1 January 2026 |
| Primary completion | 1 November 2028 |
| Estimated completion | 1 November 2028 |
Drugs / interventions tested
- Isokinetic rehabilitation protocol.
- standard rehabilitation programme
Conditions studied
- Spasticity of the Plantar Flexors — all drugs for Spasticity of the Plantar Flexors →
Sponsor
Clinique Victor Pauchet
Who can join
18 and older, any sex, with Spasticity of the Plantar Flexors. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
Spastic foot drop (speed- and force-dependent hypertonia) is one of the most common neuro-orthopaedic disorders following brain injury. It has a negative impact on walking and is closely linked to independence in activities of daily living. This disorder combines a deficit in muscle strength in the plantar flexors and extensors with pathological hypertonia of the plantar flexors, causing an imbalance in ankle flexion and resulting in equinus deformity of the foot. Botulinum toxin is the first-line pharmacological treatment for focal spasticity of neurological origin, and its effectiveness is directly linked to the quality and quantity of associated rehabilitation care. However, the associated rehabilitation protocols remain vague and are based on general recommendations combining: stretching of muscles and tendons, muscle strengthening of spastic muscles, their agonists and antagonists, and functional work. The standard rehabilitation protocol used in our centre will be detailed in the study protocol. The isokinetic dynamometer is an open-chain muscle strengthening tool that has the advantage of introducing a concept of reproducible assessment and rehabilitation. This reproducibility is difficult to guarantee with the rehabilitation techniques practised by a therapist, whose applied force and precision may vary from one session to another. We have therefore developed a sequential muscle strengthening protocol combining strengthening work - fatigue of the triceps surae followed by muscle strengthening work of the foot lifters. The aim of this work is to determine the effects of this protocol compared to conventional rehabilitation aimed at promoting the post-injection effects of botulinum toxin.
Publications & conference data
No peer-reviewed publications indexed yet for this trial.
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Related trials
Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT07260565 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Clinique Victor Pauchet
- Last refreshed: 17 December 2025
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