Promoting daily steps to prevent osteoarthritis after ACL reconstruction

Steps Towards Osteoarthritis Prevention: A Pilot Study

Not applicable Interventional University of Georgia · NCT06193343

This study is testing if increasing daily steps can help protect knee cartilage and prevent osteoarthritis in people who have had ACL surgery.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment56 (estimated)
Ages16 Years to 40 Years
SexAll
SponsorUniversity of Georgia Academic / other
Locations1 site (Athens, Georgia)
Trial IDNCT06193343 on ClinicalTrials.gov

What this trial studies

This study investigates the relationship between daily step counts and knee joint cartilage health in individuals who have undergone anterior cruciate ligament reconstruction (ACLR). It aims to determine how low daily step frequency affects cartilage composition and resilience, potentially contributing to the development of osteoarthritis. Participants will be monitored for their daily steps using an Actigraph Link monitor, and comprehensive MRI assessments will be conducted to evaluate knee joint health. The study seeks to identify modifiable factors that could help prevent osteoarthritis in this at-risk population.

Who should consider this trial

Good fit: Ideal candidates are individuals aged 18 and older who have undergone ACL reconstruction within the last 6 to 24 months and demonstrate low daily step counts.

Not a fit: Patients who have had revision ACL surgery or multiple ligament surgeries may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to effective strategies for preventing osteoarthritis in individuals recovering from ACL reconstruction.

How similar studies have performed: While studies have focused on excessive joint loading in osteoarthritis, this approach of examining low loading frequency is relatively novel and has not been extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Provision of signed and dated informed consent form
* For children, signed and dated informed assent by child and parental permission form by parent/guardian to participate in the study
* Underwent an anterior cruciate ligament reconstruction (ACLR) between 6-60 months prior to enrollment
* Stated willingness to comply with all study procedures and lifestyle considerations and availability for the duration of the study
* Completed all other formal physical therapy and therapeutic exercise regimens, and will not be engaging in any other formal therapy for their ACLR during the study
* Physician clearance for unrestricted activity
* Owning a smartphone
* Demonstrate \< 8,000 steps per day during the screening phase of aim 2 as assessed using the Actigraph Link monitor

Exclusion Criteria:

* Underwent an ACLR revision surgery due to a previous anterior cruciate ligament (ACL) graft injury
* A multiple ligament surgery was indicated with their ACL injury
* A lower extremity fracture was suffered during the ACL injury
* The participant has previously been diagnosed with any diseases that affect joints is present in either knee including knee osteoarthritis inflammatory arthritis
* Pregnant or plans to become pregnant over next 4 months
* Body mass index (BMI) ≥ 36 kg/m2
* Unable to speak English
* Cochlear implant
* Metal in body (metal fragments, shrapnel, permanent make-up, body piercings that cannot be removed)
* Claustrophobia
* History of seizures
* Pacemaker

Where this trial is running

Athens, Georgia

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Anterior Cruciate Ligament Injuries
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.