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Pilot Study on The Effectiveness of Relative Motion Orthosis in Finger Motion

Who can join

Ages 18 to 80 · All sexes

Inclusion Criteria:

* Age range 18-80
* Any gender
* Any Proximal Interphalangeal (PIP) injury that causes reduced PIP Active Range of Motion (AROM) in extension
* Right or left hand injury
* Level of Chronicity (4 weeks - 6 months)
* Able to follow instructions

Exclusion Criteria:

* PIP with hard end feel (feels they need serial casting) - level of chronicity
* Any digital nerve injury / skin laceration that can prevent the patient from using the orthosis
* Severe arthropathy
* Literacy deficits: patients need to be able to follow verbal and written instructions independently to minimize risks and improve outcomes from care.

About the study

The purpose of this feasibility pilot study is to determine the effectiveness of Relative Motion Orthosis (RMO) in regaining finger range of motion compared to standard care in patients diagnosed with Proximal Interphalangeal (PIP) stiffness with an extension lag secondary to finger injury. Participants will be enrolled and randomized into groups receiving either standard conservative interventions or standard interventions in addition to the RMO. The primary endpoint is to evaluate the efficacy of relative motion orthosis in PIP ROM using clinical scoring and physical exam findings.

What is being tested

• RMO flexion orthosis (splint) (device)
• Standard of care (other)

Sponsor: NYU Langone Health · Participants: 64 · Started: Dec 7, 2024

Contact the study team

• Natalia Ruiz, DPT · Phone: 646-501-4782

Official record on ClinicalTrials.gov — NCT06646029

Locations in the U.S.

From ClinicalTrials.gov, data retrieved Oct 1, 2026. Each study sets its own eligibility; the study team decides who can join.