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Clinical Examination of Cavovarus Feet

NCT07644078 · Status: RECRUITING · Type: OBSERVATIONAL · Enrollment: 30

Last updated 2026-06-12

No results posted yet for this study

Summary

Cavovarus feet are complex deformities in multiple planes. There is little consensus on the best way to address deformities. Furthermore there are various different phenotypes and we have previously described 4 distinct forefoot morphotypes that exist. It has been hypothesised that the various morphotypes could benefit from differing surgical strategies.

However, identification of forefoot morphotypes has only been possible thus far using specialised semi-automated software and 3D animating software to manually identify morphotypes. It is therefore not straightforward to identify which patients may benefit from which surgery and this is not translatable to surgeons outside of a specialist centre.

The utility of this classification has been thus far limited to research. There is a burning need to explore ways in which identification of forefoot morphotypes can be translated to other centres using techniques such as basic imaging or clinical examination to identify patients with different morphotypes.

At Royal National Orthopaedic Hospital (RNOH) we have a large, complex cohort of patients with neuromuscular foot and ankle deformity and cavovarus feet. We also have access to advanced imaging techniques which we employ in routine care of our patients. We further have access to the software and previous research tools used to identify forefoot morphotypes.

We have for many years been examining cavovarus feet and documenting the various clinical findings. We also run teaching clinics combined with registrars where patients are routinely examined as part of routine care and pre-operative work up.

Therefore we are ideally and uniquely placed to carry out this research which is an extension of our previous work. Our primary aim is to identify a reproducible method of distinguishing between the various forefoot morphotypes in cavovarus feet in patients with Charcot Marie Tooth disease (CMT). This will include investigating the utility of clinical examination and manual measurements (without specialised software) on weightbearing CT (WBCT). We will also aim to examine the reproducibility of any techniques such as clinical examination.

Conditions

  • Cavus Foot

Interventions

OTHER

Clinical Examination

Clinical examination as part of routine care

Sponsors & Collaborators

  • Royal National Orthopaedic Hospital NHS Trust

    lead OTHER

Principal Investigators

  • Karan Malhotra · Consultant Orthopaedic Surgeon

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-05-28
Primary Completion
2026-08-01
Completion
2027-12-31

Countries

  • United Kingdom

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07644078 on ClinicalTrials.gov