ClinicalTrials.gg
Not yet recruitingNCT07449650Updated Mar 4, 2026

Calcaneal Lengthening Osteotomy With Locking Wedge Plate Versus Synthetic PEEK Cage Interposition for Symptomatic Flexible Pes Planovalgus Foot Deformity in Adolescents

An interventional study of calcaneal lengthening osteotomy and calcaneal lengthening osteotomy with locking wedge plate in Flexible Flatfoot or Pes Planus, sponsored by Mohamed Elsayed Othman. Not yet recruiting at 1 site in Egypt. Open to participants aged 10 Years to 17 Years. Per ClinicalTrials.gov, last updated 2026-03-04.

Sponsored by Mohamed Elsayed Othman · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
30
Allocation
Randomized
Ages
10 Years to 17 Years
Sex
All
01

Study summary

The goal of this interventional study is to compare clinical outcome, radiological parameters, complication rates and time to recovery of calcaneal lengthening osteotomy with locking wedge plate versus PEEK cage interposition in management of symptomatic flexible pes planovalgus foot deformity in adolescents

02

Conditions studied

  • Flexible Flatfoot or Pes Planus

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03

In context

Flatfoot

173 studies on the registry are indexed under Flatfoot; 44 are open to participants now.

This study's planned enrollment of 30 is below the median of 40 across 122 interventional studies indexed under Flatfoot.

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Lead sponsor

This is the only study on the registry with Mohamed Elsayed Othman as lead sponsor.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
10 Years to 17 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. patients with symptomatic flexible pes planovalgus indicated for surgical correction
  2. age: from 10 years to 17 years
  3. sex: males and females
  4. failure of conservative management

Exclusion criteria

Exclusion Criteria:

  1. previous foot surgery
  2. patients with neuromuscular disorders
  3. patients with rigid pes Plano valgus
  4. patients with sever comorbidities
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Outcomes assessor)
Enrollment
30 participants (estimated)

Study arms

  • Active comparator
    calcaneal lengthening osteotomy with locking wedge plate fixation

    one group will undergo calcaneal lengthening osteotomy to lengthen lateral columan using locking wedge plate fixation to maintain lengthening

    Procedure: calcaneal lengthening osteotomy · Procedure: calcaneal lengthening osteotomy with locking wedge plate

  • Active comparator
    calcaneal lengthening osteotomy with PEEK cage interposition

    second group will undergo calcaneal lengthening osteotomy to lengthen lateral columan using PEEK cage interposition to maintain lengthening

    Procedure: calcaneal lengthening osteotomy · Procedure: calcaneal lengthening osteotomy with synthetic PEEK cage interposition

Interventions

  • Procedurecalcaneal lengthening osteotomy

    calcaneal lengthening osteotomy is a surgical procedure to correct symptomatic flexible pes planovalgus foot deformity in adolescents

  • Procedurecalcaneal lengthening osteotomy with locking wedge plate

    one group will undergo calcaneal lengthening osteotomy with locking wedge plate fixation to maintain lengthening

  • Procedurecalcaneal lengthening osteotomy with synthetic PEEK cage interposition

    second group will undergo calcaneal lengthening osteotomy with PEEK cage interposition to maintain lengthening

06

What researchers measure

Primary outcomes

  1. Foot and ankle ability measure visual analogue scale radiological

    clinical and radiological

    Time frame: 1 year

07

Study locations

1 site
08

References and documents

Individual participant data

Plan to share: Yes

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Mar 4, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07449650
Lead sponsor
Mohamed Elsayed Othman
Responsible party
Mohamed Elsayed Othman (orthopaedic specialist, Sohag University) — Sponsor-investigator
First posted
Mar 4, 2026
Start date
Feb 2026 (estimated)
Primary completion
Dec 4, 2027 (estimated)
Completion
Dec 4, 2027 (estimated)
Last update
Mar 4, 2026

Study contacts

Mohamed Elsayed Osman, specialist
Contact
mohamed_elsayed_post@med.sohag.edu.eg
020-01006254523

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Dec 2025. You cannot join it, but the record below documents what was studied.

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