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A pilot study comparing two techniques of phenol injection for the treatment of ankle spasticity in children with cerebral palsy, ultrasound & electrical stimulation guided motor branch block versus the conventional injection technique

A pilot study comparing two techniques of phenol injection for the treatment of ankle spasticity in children with cerebral palsy, ultrasound & electrical stimulation guided motor branch block versus the conventional injection technique

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20190918004
Enrollment
24
Registered
2019-09-18
Start date
2019-12-13
Completion date
Unknown
Last updated
2026-03-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

The cerebral palsy with ankle spasticity cerebral palsy, phenol block, ankle spasticity, ultrasound guided injection, neurolysis, tibial motor branch block

Interventions

group A (US + ES): phenol injection at motor branch of tibial nerve by high frequency ultrasound (US) with electrical stimulation (ES) ,group B ( ES): phenol injection at motor branch of tibial nerv
US + ES ,ES

Sponsors

Routine to research unit
Lead Sponsor

Eligibility

Sex/Gender
All
Age
No minimum to 18 Years

Inclusion criteria

Inclusion criteria: Age < 18 year Cerebral palsy The ankle spasticity is a problem in the daily life of patients / caregivers Modified Tardieu Scale ofankle dorsiflexion (knee extended position) > 20 degree The ankle spasticity does not improve after having received physical therapy for at least 1 month Patients or legal representatives are welcome to join the research

Exclusion criteria

Exclusion criteria: The muscles of leg that are injected into other areas Apart from the ankle The degree of rigidity is measured by the Modified Ashworth scale (MAS) more than 3/4 Contraindications for injection such as blood clotting, infection or skin inflammation that requires injection, taking anticoagulant drug History of allergic reactions to compounds Alcohol, Phenol , Lidocaine History of DVT at least one leg History of surgery to stretch the tendons, bones or joints in the leg that will be injected within 1 year or plan to undergo the surgery in the next 3 months History of seizure with in 3 months ago History of injecting botulinum toxin or phenol at the leg that is injected within the last 3 months

Design outcomes

Primary

MeasureTime frame
complication 0,1,2,3,4 weeks after end of the intervention dysesthesia,hypothesia, paresthesia, hematoma,ecchymosis,weakness

Secondary

MeasureTime frame
Severity of spasticity of ankle,PROM of ankle, clinical improvement, Dose of phenol, Time of intervention 0,4,8,12 weeks after end of the intervention MTS of ankle dorsiflexion , MAS of gastrocnemius,Pain score, Patient's clinical global improvement,Dose of phenol (ml),Time of intervention (min)

Countries

Thailand

Contacts

Public ContactTeerada Ploypetch

Department of Rehabilitation Medicine, Siriraj Hospital

teerada_rehab@hotmail.com0814999639

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Apr 4, 2026