Direct Current Stimulation for Treatment of Fibromyalgia
NCT ID: NCT02704611
Last Updated: 2016-03-10
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
NA
36 participants
INTERVENTIONAL
2015-10-31
2016-06-30
Brief Summary
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Participants will be randomly assigned to one of the two groups: Group I (Intervention group) tDCS (2mA for 25 minutes on 5 consecutive days/week for 2 weeks with the anode centered over M1 bilaterally Anodal tDCS for 20 minutes at 1.5 mA (15 s ramp in and 15 s ramp out) will be applied daily for 10 consecutive days (5 sessions/week) . The anodal electrode (24 cm² with current density of 0.08 mA (2mA/24 cm²) will be placed over the left primary motor area in group I, and the reference electrode (24 cm² will be fixed over the contralateral arm (extracephalic).
Daily tDCS was given to prolong and stabilize these long-lasting after-effects. Group II will receive sham tDCS will be applied using the above described parameters in group I. For sham tDCS, the placement of the electrodes, current intensity, and ramp time was identical to real tDCS stimulation group; however, the stimulation lasted only for 30 Sec. However, since none of the patients have been experienced tDCS previously, they were unaware of which stimulation is real and which sham is. The investigator responsible for delivering tDCS had no contact with the patients. All study participants will be followed up by the same evaluation sheet and by an evaluator who are blinded to the type of intervention she /he has received.Evaluation will be done pre assessment, post 5 sessions, post 10 sessions, post one month and post 2 months by using wide spread pain index (WPI) \& symptoms severity of fibromyalgia, measuring visual analogue scale (VAS), Depression and anxiety will be assessed using Hamilton Depression Scale (HDS) and anxiety scale, pain sensitivity threshold by using Electronic Von Frey unit EVF4 . Determination of human beta-endorphin level before start sessions and after end 10 sessions.
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Detailed Description
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Because brief exposure to tDCS has no after-effects whereas researchers used 20min duration in order to produce robust after-effects. Daily tDCS was given to prolong and stabilize these long-lasting after-effects. Group II will receive sham tDCS will be applied using the above described parameters in group I. For sham tDCS, the placement of the electrodes, current intensity, and ramp time was identical to real tDCS stimulation group; however, the stimulation lasted only for 30 Sec. However, since none of the patients have been experienced tDCS previously, they were unaware of which stimulation is real and which sham is. The investigator responsible for delivering tDCS had no contact with the patients. All study participants will be followed up by the same evaluation sheet and by an evaluator who are blinded to the type of intervention she /he has received.Evaluation will be done pre assessment, post 5 sessions, post 10 sessions, post one month and post 2 months by using wide spread pain index (WPI) \& symptoms severity of fibromyalgia, measuring visual analogue scale (VAS), Depression and anxiety will be assessed using Hamilton Depression Scale (HDS) and anxiety scale, pain sensitivity threshold by using Electronic Von Frey unit EVF4 . Determination of human beta-endorphin level before start sessions and after end 10 sessions.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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Group I
Real tDCS (2mA for 25 minutes on 5 consecutive days/week for 2 weeks with the anode centered over M1 bilaterally. Anodal tDCS for 20 minutes at 1.5mA (15 s ramp in and 15 s ramp out) will be applied daily for 10 consecutive days (5 sessions/week).
Real tDCS
Real tDCS (2mA for 25 minutes on 5 consecutive days/week for 2 weeks with the anode centered over M1 bilaterally. Anodal tDCS for 20 minutes at 1.5mA (15 s ramp in and 15 s ramp out) will be applied daily for 10 consecutive days (5 sessions/week). The anodal electrode 24 cm² with current density of 0.08 mA (2mA/24 cm²) will be placed over the left primary motor area in group I, and the reference electrode (24 cm² will be fixed over the contralateral arm (extracephalic).
Group II
Sham tDCS will be applied using the above described parameters in group. For sham tDCS, the placement of the electrodes, current intensity, and ramp time was identical to real tDCS stimulation group; however, the stimulation lasted only for 30 Sec.
Sham tDCS
Sham tDCS will be applied using the above described parameters in group. For sham tDCS, the placement of the electrodes, current intensity, and ramp time was identical to real tDCS stimulation group; however, the stimulation lasted only for 30 Sec. However, since none of the patients have been experienced tDCS previously, they were unaware of which stimulation is real and which sham is. The investigator responsible for delivering tDCS had no contact with the patients.
Interventions
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Real tDCS
Real tDCS (2mA for 25 minutes on 5 consecutive days/week for 2 weeks with the anode centered over M1 bilaterally. Anodal tDCS for 20 minutes at 1.5mA (15 s ramp in and 15 s ramp out) will be applied daily for 10 consecutive days (5 sessions/week). The anodal electrode 24 cm² with current density of 0.08 mA (2mA/24 cm²) will be placed over the left primary motor area in group I, and the reference electrode (24 cm² will be fixed over the contralateral arm (extracephalic).
Sham tDCS
Sham tDCS will be applied using the above described parameters in group. For sham tDCS, the placement of the electrodes, current intensity, and ramp time was identical to real tDCS stimulation group; however, the stimulation lasted only for 30 Sec. However, since none of the patients have been experienced tDCS previously, they were unaware of which stimulation is real and which sham is. The investigator responsible for delivering tDCS had no contact with the patients.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Patients must have a mean pain score ≥ 4 on a 10-point visual analog scale (VAS) during the 2 weeks preceding the clinical trial.
* Patients from nearby districts to ensure good availability for follow-up.
Exclusion Criteria
* Patients with any uncontrolled clinical disease (as evaluated by each patient's clinician), such as any associated rheumatologic, thyroid, cardiovascular, pulmonary, hematologic, or renal diseases, pregnancy, lactation, and neuropsychiatric disorders.
18 Years
55 Years
ALL
No
Sponsors
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Dina Hatem Elhammady
OTHER
Responsible Party
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Dina Hatem Elhammady
Clinical Professor
Principal Investigators
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Eman Khedr, MD
Role: PRINCIPAL_INVESTIGATOR
Professor of Neurology, Faculty of Medicine, Assiut University
Locations
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Assiut University Hospital
Asyut, Asyut Governorate, Egypt
Countries
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Central Contacts
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Facility Contacts
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Dina Elhammady, MD
Role: primary
References
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Khedr EM, Omran EAH, Ismail NM, El-Hammady DH, Goma SH, Kotb H, Galal H, Osman AM, Farghaly HSM, Karim AA, Ahmed GA. Effects of transcranial direct current stimulation on pain, mood and serum endorphin level in the treatment of fibromyalgia: A double blinded, randomized clinical trial. Brain Stimul. 2017 Sep-Oct;10(5):893-901. doi: 10.1016/j.brs.2017.06.006. Epub 2017 Jun 23.
Other Identifiers
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DCS in fibromyalgia
Identifier Type: -
Identifier Source: org_study_id
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