Trigeminal Nerve Stimulation (TNS) in the Treatment of Fibromyalgia (TNS-FMA)

April 22, 2014 updated by: Pedro Shiozawa, Santa Casa Medical School

Trigeminal Nerve Stimulation (TNS) as a Complementary Strategy in the Treatment of Fibromyalgia, Open Label Study

To the investigators knowledge there are no studies of Trigeminal Nerve Stimulation (TNS) for fibromyalgia. TNS may modify overlapping mood and fibromyalgia pain regulation circuitry. The investigators hypothesized that patients with fibromyalgia might experience a clinically significant reduction in daily pain if investigators were to administer TNS in a manner similar to experimental antidepressant protocols.

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Anticipated)

40

Phase

  • Phase 2
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Brazil
    • sP
      • sao Paulo, sP, Brazil, 04017030
        • Centro de Atencao Integrada à Saúde Mental

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 69 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • We will adopt the following inclusion criteria: (1) patients between 18 and 69 years; (2) patients with a diagnosis of fibromyalgia according to a trained phisycian; (3) score greater than or equal to 5 on the VAS for pain; (4) agreement to participate in the study as recommended in the IC.

Exclusion Criteria:

  • Exclusion criteria we cite: (1) patients with psychiatric hospitalization indicated; (2) patients with psychiatric comorbidity; (3) patients with a diagnosis of personality disorder; (4) presence of severe neurological or medical diseases such as neoplasms in activity, neurodegenerative diseases and chronic decompensated.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Trigeminal nerve stimulation - active
10-day TNS interventional protocol over an 10-day follow-up
Device: Trigeminal nerve stimulation
10-day TNS interventional protocol over an 10-day follow-up. Subjects will have electrodes (Superior Silver 1.25-in. diameter) placed on their foreheads to stimulate the V1 branches of the trigeminal nerve bilaterally for approximately 30 minutes each day. Current was adjusted to maintain comfortable but perceptible levels of stimulation
Sham Comparator: Trigeminal nerve stimulation
10-day sham interventional protocol over an 10-day follow-up
Device: Trigeminal nerve stimulation
10-day TNS interventional protocol over an 10-day follow-up. Subjects will have electrodes (Superior Silver 1.25-in. diameter) placed on their foreheads to stimulate the V1 branches of the trigeminal nerve bilaterally for approximately 30 minutes each day. Current was adjusted to maintain comfortable but perceptible levels of stimulation

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
VAS for pain
Time Frame: 10 day-follow up
Comparison between VAS for pain after intervention protocol and baseline score
10 day-follow up

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Santa Casa Medical School

Investigators

  • Study Director: Pedro Shiozawa, MD, Clinical Neuromodulation Laboratory - Santa Casa Medical School
  • Principal Investigator: Marcelo V Perez, MD, PhD, Department of Anestesiology - ISCMSP
  • Study Chair: Quirino Corderio, MD, PhD, Department of Psychiatry - ISCMSP

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

June 1, 2014

Primary Completion (Anticipated)

June 1, 2015

Study Completion (Anticipated)

June 1, 2015

Study Registration Dates

First Submitted

April 20, 2014

First Submitted That Met QC Criteria

April 22, 2014

First Posted (Estimate)

April 23, 2014

Study Record Updates

Last Update Posted (Estimate)

April 23, 2014

Last Update Submitted That Met QC Criteria

April 22, 2014

Last Verified

April 1, 2014

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • TNS-FMA

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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