Ultrasound Use to Measure Magnetically Controlled Growing Rods

Part of paid clinical trials in Orlando, Florida.

Sponsor
Nemours Children's Clinic
Study ID
NCT07212049
Status
Enrolling By Invitation

Conditions

  • Limb Length Discrepancy

Eligibility Criteria

Sex
ALL
Age
8 Years - 21 Years
Healthy Volunteers
Accepted

Interventions

  • ultrasound measurement — DEVICE
    Three different measurements will be obtained using an ultrasound to determine the length gained from lengthening the tibia and/or femur with an internal lengthening rod. Please see the protocol on the locations that will me measured.
  • X-ray imaging of tibia and/or femur — DIAGNOSTIC_TEST
    All patients will have an x-ray with two views anterior-posterior and lateral to measuring the lengthening of the internal rod. Please see the protocol for locations of the measurements being obtained.

Study Details

The goal of this clinical trial is to learn if an ultrasound can measure the length of an internal tibia and femur lengthening rod. The main questions it aims to answer are: Can an ultrasound be used to measure the length of an internal magnetic lengthening nail in a tibia or femur? Can an ultrasound measure the rod lengthening as well as an ultrasound? Researchers will compare the length of an internal magnetic lengthening rod with both x-rays and ultrasound Participants will: Have standard x-rays every week They will also have an ultrasound of the femur or tibia

Key Dates

Start date
Sep 5, 2025
Status verified
Oct 2025
Primary completion
Sep 5, 2026
Completion
Sep 5, 2026

Study Design

Enrollment
10 participants (estimated)
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC

Arms

  • Experimental: Ultrasound of lengthening rod
    All patients will have an ultrasound measuring the lengthen of the internal rod

Primary Outcome Measure

Ultrasound Measurement of the lengthening rod [ Time Frame: Once a week during the lengthening process, up to 10 weeks ]

Locations (1)

FacilityCityStateZIPSite coordinators
Nemours Children's Hospital FloridaOrlandoFlorida32827-

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Nemours Children's Hospital Florida· Orlando, FL

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