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Dual Field PEMF Therapy in Lower Extremity Painful Diabetic Distal Symmetric Peripheral Neuropathy (RELIEF)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT03455543
Recruitment Status : Active, not recruiting
First Posted : March 6, 2018
Last Update Posted : September 20, 2018
Information provided by (Responsible Party):
Regenesis Biomedical, Inc.

Brief Summary:
Part A of this trial is a multi-center, prospective, double-blinded, sham-controlled, randomized clinical trial. Part A will evaluate PEMF treatment compared to sham treatment in patients with painful diabetic distal symmetric peripheral neuropathy (DSPN) when treatment is administered 30 minutes twice daily through a 120-day period (4 months). Part B is a 8-month open-label active treatment extension period designed to collect longer-term data on pain, medication use, quality of life and safety (Part B).Part B of this trial is a an extension period upon completion of Part A.

Condition or disease Intervention/treatment Phase
Diabetic Nephropathy Device: Active Provant Therapy System Device: Inactive (sham) Provant Therapy System Not Applicable

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 182 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Intervention Model Description: Two parallel groups, active device group versus sham device group. Subjects will be randomized 1:1 at baseline and treat with active PEMF or sham for 4 months.
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Masking Description: Active and sham devices will look identical. Participants and site staff will be blind to the randomization.
Primary Purpose: Treatment
Official Title: A Multi-Center, Double-Blind, Sham-Controlled, Randomized Trial of Dual Field PEMF Therapy [Provant® Therapy System] in Lower Extremity Painful Diabetic Distal Symmetric Peripheral Neuropathy (DSPN) (The RELIEF Trial)
Actual Study Start Date : March 26, 2018
Estimated Primary Completion Date : July 15, 2019
Estimated Study Completion Date : August 15, 2019

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Experimental: Active Group
Treatment with active Provant Therapy System
Device: Active Provant Therapy System
Treatment with active Provant Therapy System

Sham Comparator: Sham Group
Treatment with in-active (sham) Provant Therapy System
Device: Inactive (sham) Provant Therapy System
Treatment with inactive Provant Therapy System

Primary Outcome Measures :
  1. Change in pain intensity [ Time Frame: Baseline through 4 months ]
    Absolute change in pain intensity as measured by the 11-point, numerical pain rating scale (NPRS) (0-10; where 0=no pain, to 10=worst possible pain).

Secondary Outcome Measures :
  1. Patients with 2 point or 30% reduction in pain [ Time Frame: Baseline to 4 months ]
    Percentage of patients who have either a 2 point or 30% reduction in (pain) NPRS at 4 Months.

  2. Patient Global Impression [ Time Frame: Baseline through 4 months. ]
    Change in Patient Global Impression at 4 Months.

Information from the National Library of Medicine

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Ages Eligible for Study:   22 Years to 80 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Type 1 or Type 2 diabetes
  • Pain attributed to symmetrical lower extremity diabetic peripheral neuropathy for at least 6 months
  • DPN pain over the preceding 24 hours is ≥4 and <9 based on the 11-point NPRS (0-10)
  • 22 to 80 years of age
  • On stable diabetes treatment
  • HbA1c less than or equal to 10%
  • No recent changes to analgesic prescriptions
  • ABI of ≥0.8 to ≤1.3
  • Walks independently
  • Willing and able to give consent
  • If female, must be post-menopausal, surgically sterile, abstinent or practicing an effective method of birth control
  • Can access an internet browser or smart phone

To be randomized after the 14-day run-in period, average pain (NPRS) must be ≥ 4 and < 9 over preceding 7 days and subject must be 70% compliant with ePRO assessments (electronic diary)

Exclusion Criteria:

  • Active, open ulcer on either extremity
  • Significant peripheral vascular disease
  • Venous insufficiency
  • History of solid organ transplant or severe renal disease
  • Diagnosed with a non-diabetic cause of chronic neuropathy
  • Previous or current history of primary or tertiary hyperparathyroidism, hypercalcemia, psychiatric disorder, alcohol dependency, Hepatitis B or C, or HIV infection
  • Significant cardiovascular disease
  • Uncontrolled medical illness
  • Requires or anticipates the need for surgery during the study
  • Total foot depth of >8 cm
  • Has received any investigational drug or device within 30 days
  • Has used systemic corticosteroids within 3 months
  • History of malignancy within 5 years in treatment area
  • A psychiatric disorder of sufficient severity
  • Receiving prn narcotic medications
  • History of drug or alcohol abuse within 1 year
  • Implanted pacemaker, defibrillator, neurostimulator, spinal cord stimulator, bone stimulator, cochlear implant, or other implanted device with an implanted metal lead(s0
  • Pregnant or planning to become pregnant
  • Previous treatment with Provant Therapy
  • Unwilling to follow instructions or comply with study instructions
  • Pain from any other source that could confuse DPN pain assessment
  • Clinically significant foot deformity
  • Skin condition that could alter peripheral sensations
  • Previous surgery to the spine or lower extremity with residual symptoms of pain or difficulty with movement.
  • Clinically significant arthropathy

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT03455543

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United States, Arizona
Physician's Research Group
Mesa, Arizona, United States, 85206
United States, California
Valley Clinical Research
Northridge, California, United States, 91325
Northern California Research
Sacramento, California, United States, 95821
Diabetes Research Center
Tustin, California, United States, 92780
United States, Colorado
Mountain View Clinical Research
Denver, Colorado, United States, 80209
United States, Florida
Lake Internal Medicine Associates
Eustis, Florida, United States, 32726
Clinical Physiology Associates
Fort Myers, Florida, United States, 33912
Spotlight Research Center
Miami, Florida, United States, 33176
Clinical Research of Central Florida
Winter Haven, Florida, United States, 33880
United States, Georgia
River Birch Research Alliance, LLC
Blue Ridge, Georgia, United States, 30514
United States, Indiana
MediSphere Medical Research Center, LLC
Evansville, Indiana, United States, 47714
United States, Kansas
Heartland Research Associate, LLC
Wichita, Kansas, United States, 67207
United States, Missouri
Healthcare Research Network
Hazelwood, Missouri, United States, 63042
The Center for Pharmaceutical Research, LLC
Kansas City, Missouri, United States, 64114
United States, Nevada
Palm Research Center
Las Vegas, Nevada, United States, 89128
United States, New York
Great Lakes Medical Resarch
Westfield, New York, United States, 14787
United States, North Carolina
Wake Family Medicine, PC
Cary, North Carolina, United States, 27513
United States, Washington
Rainier Clinical Research
Renton, Washington, United States, 98057
Sponsors and Collaborators
Regenesis Biomedical, Inc.

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Responsible Party: Regenesis Biomedical, Inc. Identifier: NCT03455543     History of Changes
Other Study ID Numbers: RBI.2017.002
First Posted: March 6, 2018    Key Record Dates
Last Update Posted: September 20, 2018
Last Verified: September 2018
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: Yes
Device Product Not Approved or Cleared by U.S. FDA: No
Pediatric Postmarket Surveillance of a Device Product: No
Product Manufactured in and Exported from the U.S.: Yes

Additional relevant MeSH terms:
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Peripheral Nervous System Diseases
Diabetic Nephropathies
Neuromuscular Diseases
Nervous System Diseases
Kidney Diseases
Urologic Diseases
Diabetes Complications
Diabetes Mellitus
Endocrine System Diseases