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RECRUITING Phase 3 ClinicalTrials.gov

Comparing the Outcome of Electrical Stimulation and Physical Therapy in Patellofemoral Pain Syndrome

Sponsor: Northwell Health • ClinicalTrials.gov ID: NCT03184545

Registry updated: 2026-10-07
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Description

The purpose of study is to evaluate the efficacy of the electrical muscle stimulation (EMS) device in patients with patellofemoral pain known as anterior knee pain. Usual treatment for it is physical therapy (PT). We want to evaluate and see if adding the electrical muscle stimulation will fasten the recovery and improved outcome in patellofemoral pain syndrome. Half of participants will receive EMS and PT while other half will receive PT only.

Interventions

  • EMS (Device)
    The EMS device Flex MT Plus (Electrostim Medical Services Inc. Tampa, FL) is a neuromuscular stimulator. It is approved by the FDA. The Electrical muscle stimulation (EMS) applied to vastus medialis obliquus (VMO) muscle for 20 minutes, 3 times daily and it would be 5 times a week for 12 weeks at 40 Hz. The pulse duration will be 0.26ms, at 5 seconds on and 10 seconds off.
  • Physical therapy (Other)
    Standard physical therapy exercises

Eligibility criteria

Inclusion Criteria: * Bilateral/unilateral anterior knee pain for more than 3 moths * Age of patient 18 to 40 years * At least 3 of the 4 following criteria present: pain associated with prolonged sitting with knees bend, pain with going downstairs, kneeling and squatting or sports activities * No h/o injury * No h/o surgery to the knee Exclusion Criteria: * H/o patellar dislocation or subluxation * Associated bursitis, tendinitis in periarticular area * Ligamentous problems * Intra-articular pathology * Pregnancy (patient reported pregnancy, in case of doubt patient will be referred to their OBG/GYN physician to exclude the pregnancy) * H/o knee surgery * Oral or intraarticular administration of steroid medication with in last 3 months * Patients with implanted devices like pacemaker

Conditions

Patellofemoral Pain Syndrome

Locations

  • New York Bone and Joint Specialists — New York, New York, United States
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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

View Official Record