Status:

COMPLETED

Evaluation of a Home-based NMES Therapy for Knee Osteoarthritis Pain

Lead Sponsor:

CyMedica Orthopedics, Inc

Conditions:

Knee Osteoarthritis

Eligibility:

All Genders

21-85 years

Phase:

NA

Brief Summary

Evaluation of knee pain and functional mobility of knee osteoarthritis patients with a home-based neuromuscular electrical stimulation (NMES) therapy

Eligibility Criteria

Inclusion

  • Subject must provide written, informed consent before any study procedures occur. The subject should be provided with a copy of the signed Informed Consent upon signature.
  • Subjects with symptomatic Kellgren-Lawrence (KL) Grade 2, 3, or 4 OA by radiograph (AP tunnel view) within 30 days prior to day 0 visit, where the K-L grades are defined as:
  • Grade 0: no radiographic features of OA are present
  • Grade 1: doubtful joint space narrowing (JSN) and possible osteophytic lipping
  • Grade 2: definite osteophytes and possible JSN on anteroposterior weight-bearing radiograph
  • Grade 3: multiple osteophytes, definite JSN, sclerosis, possible bony deformity
  • Grade 4: large osteophytes, marked JSN, severe sclerosis and definite bony deformity
  • Subject must have a normal tibiofemoral angle (0-8°) and a joint space width of ≥ 3mm confirmed by radiograph.
  • Subjects who are between the ages of 21 - 85 years.
  • Subjects must have a visual analog pain (VAS) score of at least 4 cm on a 10 cm scale for a nominated activity in the target knee at the time of screening.
  • For bilateral knee osteoarthritis subjects, the visual analog pain VAS score for a nominated activity of the contralateral knee must be less than 4 cm on the VAS scale.
  • Subject has access to a smartphone or tablet (Android or iOS).
  • Subject must be ambulatory.
  • Subject must be willing to discontinue receiving knee intra-articular injections of steroids, knee intra-articular injections of hyaluronic acid, opioids, and analgesics (except for acetaminophen up to 3000 mg/day or an equivalent) for the duration of the study.
  • Subject must be willing to take acetaminophen (up to 3000 mg/day) or an equivalent as pain medication for the duration of the study.
  • Subject must be willing to stop taking any pain medications 24 hours prior any scheduled study visit.
  • Subject must be willing to stop receiving knee physical therapy of the target knee for the duration of the study.
  • Subject must be willing to stop wearing any knee unloader brace of the target knee for the duration of the study.
  • Subjects must be proficient in English.
  • Subjects must be willing and able to comply with all study procedures for the duration of the clinical study

Exclusion

  • Subjects who have a body mass index ≥ 40 at the time of consent (at the discretion of the PI).
  • Subjects with a diagnosis of inflammatory arthritis (knee rheumatoid arthritis, active gout, knee joint infection, Lyme disease, SLE, etc.).
  • Subjects with a diagnosis of severe neuropathy condition for the past 6 months and under medication for treatment of the condition.
  • Subjects with a diagnosis of fibromyalgia for the past year.
  • Subjects who have had an injury or an acute traumatic injury to the target knee within 6 months of screening.
  • Subject must NOT have had arthroscopy of the target knee within 8 weeks of randomization.
  • Subjects who have had treatment of the target knee with intra-articular injections of steroids within 8 weeks of screening.
  • Subjects who have had intra-articular injections of hyaluronic acid within 12 weeks of screening.
  • Subjects who have had a scheduled surgery on the target knee within the study period.
  • (Note- Subjects who are scheduled to go under total knee replacement surgery within the next 3 months at screening will not be enrolled. Subjects that are contemplating the surgery can be included.)
  • Subjects who have used electrotherapy or acupuncture for OA of the target knee within 4 weeks of screening.
  • Subjects who have used Neuromuscular Electrical Stimulation (NMES) in the past year.
  • Subjects with significant and clinically evident mal-alignment of the target knee (\> 5 degrees varus or valgus in the target knee).
  • Subjects with surgical metallic hardware in the target knee.
  • Subjects who have had implanted electrical devices (cardiac pacemakers, deep brain stimulators, implantable cardiac defibrillators).
  • Subjects who have contraindications to X-rays.
  • Subjects with a current malignancy or who have received treatment for malignancy with the last 5 years, with the exception of resected basal cell carcinoma and squamous cell carcinoma of the skin.
  • Subjects who have an active substance abuse problem (drugs or alcohol) or a history of chronic substance abuse (\> 5 years).
  • Subjects with skin breakdown or infection in the area where the study device will be placed (quadriceps of the target knee).
  • Subjects with any chronic conditions (e.g., diabetes, hypertension, congestive heart failure, etc.) that have not been well-controlled for at least 3 months prior to screening.
  • Subjects who have any ongoing litigation for worker's compensation.
  • Subjects with any condition, in the opinion of the Investigator that might interfere with the evaluation of the study objectives.
  • Subjects who are pregnant.
  • Subject must not have participated in a clinical study within the past 12 weeks from the last day of treatment that required the use of an investigational device, drug or biologic

Key Trial Info

Start Date :

October 8 2019

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

November 24 2020

Estimated Enrollment :

159 Patients enrolled

Trial Details

Trial ID

NCT04128618

Start Date

October 8 2019

End Date

November 24 2020

Last Update

November 25 2020

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Noble Clinical Research

Tucson, Arizona, United States, 85704

2

Site 1

Tucson, Arizona, United States, 85712