Study Stopped
Interim results suggested that the study was not adequately powered to achieve the primary endpoint: superiority in retear rate reduction in PEMF treatment versus placebo.
PEMF as Adjunctive Treatment Following Surgical Repair of Full Thickness Rotator Cuff Tears
RCStim
Prospective, Randomized, Double-Blind, Placebo Controlled Study to Evaluate the Safety and Efficacy of Pulsed Electromagnetic Field (PEMF) Therapy as an Adjunctive Treatment to Surgical Repair of Full Thickness Rotator Cuff Tears
1 other identifier
interventional
377
1 country
23
Brief Summary
The primary objective of this study is to prospectively determine, at 12 months post-surgical repair of full thickness rotator cuff tears, the safety and efficacy of treating full thickness rotator cuff repairs with pulsed electromagnetic fields (PEMF). The hypothesis states that exposure to a pulsed electromagnetic field (PEMF) following surgical repair of a full thickness rotator cuff tendon tear reduces tendon re-tear rates. The strength of the shoulder muscles and the levels of pain in subjects after surgical repair of their rotator cuff adjunctively treated with an active PEMF device will also be measured.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Jan 2018
Longer than P75 for not_applicable
23 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
October 31, 2017
CompletedFirst Posted
Study publicly available on registry
November 13, 2017
CompletedStudy Start
First participant enrolled
January 15, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 31, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
December 31, 2022
CompletedAugust 30, 2023
August 1, 2023
5 years
October 31, 2017
August 28, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
retear rate
A reduction in retear rates in subjects adjunctively treated with PEMF compared with those treated with a placebo (inactive) RCStim PEMF device following surgical repair of full thickness rotator cuff tears.
12 months
Secondary Outcomes (2)
Muscle Strength
12 months
Penn Shoulder Score
12 months
Study Arms (2)
Active PEMF
ACTIVE COMPARATORSubjects have 2 out of 3 chance to get the active device which emits a pulsed electromagnetic field (PEMF) from the RCStim Model 1114 device (right and left side models available). Double-blind randomization.
Control/placebo PEMF
SHAM COMPARATORSubjects have a 1 out of 3 chance to get the control/placebo device which does not emit a pulsed electromagnetic field (PEMF) from the RCStim Model 1114 device (right and left side models available). Double-blind randomization.
Interventions
Active device emits PEMF signal; placebo/control device does not emit PEMF signal
Eligibility Criteria
You may qualify if:
- Subject may be male or female between 21 years of age and 80 years of age at the time of consent.
- Subject must have a repairable (≥1 and ≤ 5 cm in the AP direction) full thickness tear of either the supraspinatus tendon or both the supraspinatus and infraspinatus tendons, as determined by MRI and confirmed intra-operatively (pre-debridement) during the surgical repair of the rotator cuff using a calibrated probe.
- a. Subjects who do not meet this criterion will be considered screen failures.
- This must be the first rotator cuff repair surgery on the study shoulder with the following exceptions:
- Previous repairs of the teres minor and/or the subscapularis muscles are permitted.
- Previous acromioplasties, decompressions, and clavicular fracture repairs are permitted.
- Concurrent acromioplasties, subacromial decompressions and/or distal clavicular excisions are permitted.
- Concurrent fracture repairs or reconstructions are NOT permitted.
- Biceps tenodesis or tenotomy (open or closed) are permitted.
- Subject must not have used NSAIDs for one (1) week prior to surgery.
- Subjects must agree NOT to use NSAIDS suring the first 6 weeks of the study. Low dose aspirin (81 mg) is permitted.
- Subject must be willing and able to participate in post-operative physical therapy exercises.
- Subject must be willing and able to follow all study procedures and return for all study visits.
- Subject must have reliable access to any iOS device using iOS v.9.3 or later or an Android device with WiFi access for downloading the free device-specific app.
- Subject must understand and be willing to sign the IRB-approved Informed Consent Document.
You may not qualify if:
- Subject has a tear \<1cm or \>5cm in size measured intraoperatively, pre-debridement, using a calibrated probe.
- a. Subjects who do not meet this criterion will be considered screen failures.
- Subject has a BMI \> 45.
- Subject has a pacemaker or defibrillator.
- Subject is not able to or is unwilling to have an MRI on the study shoulder.
- Subject requires assistive devices to walk such as crutches or walkers.
- Subject has a rotator cuff tear in which the subscpularis tendon requires repair.
- a. Biceps tenodesis or tenotomy (open or closed) is allowed.
- Subject has a Fuchs score grade of 3 for fatty infiltration on any of the rotator cuff muscles.
- Grade 1: Normal muscle, no or some fatty streaks Grade 2: Moderately pathologic muscle; more muscle than fat Grade 3: Advanced degeneration; as much muscle as fat or less muscle than fat
- Subject has moderate to severe arthritis based on preoperative imaging or as judged at the time of arthroscopy.
- Pre-operative x-ray findings consistent with Grade 3 or Grade 4 glenohumeral arthritis, where the grades are defined as follows:
- Grade 1: doubtful narrowing of joint space and possible osteophytic lipping; Grade 2: definite osteophytes and definite narrowing of joint space; Grade 3: moderate multiple osteophytes and definite narrowing of joint space and some sclerosis and possible deformity of bone contour.
- Grade 4: bone on bone morphology
- Intra-operative exposed subchondral bone involving \>= 50% of either the humeral head, glenoid or both.
- +22 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Orthofix Inc.lead
Study Sites (23)
The CORE Institute
Phoenix, Arizona, 85023, United States
Stanford University
Redwood City, California, 94063, United States
UCSF Orthopedics
San Francisco, California, 94158, United States
Sabesan Orthopedics Research
Atlantis, Florida, 33462, United States
Coastal Orthopedics and Sports Medicine
Bradenton, Florida, 34209, United States
Holy Cross Hospital
Fort Lauderdale, Florida, 33334, United States
Andrews Institute
Gulf Breeze, Florida, 32561, United States
Cleveland Clinic Florida
Weston, Florida, 33331, United States
Rush University Medical Center
Chicago, Illinois, 60612, United States
Univ. of Maryland Dept of Orthopedics
Baltimore, Maryland, 21201, United States
Sinai Hospital of Baltimore
Baltimore, Maryland, 21215, United States
Univ of Michigan Orthopedic Sports Medicine Program
Ann Arbor, Michigan, 48106, United States
Univ Orthopedics Associates at Great Neck
Great Neck, New York, 11021, United States
Wake Forest Baptist Health
Winston-Salem, North Carolina, 27157, United States
Cincinnati Sports Medicine
Cincinnati, Ohio, 45242, United States
Univ. of Pennsylvania Orthopedics
Philadelphia, Pennsylvania, 19104, United States
The Rothman Institute
Philadelphia, Pennsylvania, 19107, United States
University Orthopedics Center
State College, Pennsylvania, 16801, United States
South Carolina Sports Medicine and Orthopedics
North Charleston, South Carolina, 29406, United States
The Campbell Clinic
Germantown, Tennessee, 38138, United States
Deutsch Shoulder
Houston, Texas, 77401, United States
Atlantic Orthopedics
Virginia Beach, Virginia, 23456, United States
Jordan-Young Research Institute
Virginia Beach, Virginia, 23462, United States
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 31, 2017
First Posted
November 13, 2017
Study Start
January 15, 2018
Primary Completion
December 31, 2022
Study Completion
December 31, 2022
Last Updated
August 30, 2023
Record last verified: 2023-08
Data Sharing
- IPD Sharing
- Will not share