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Efficacy of Cranial Electrotherapy Stimulation in the treatment of depression: A pilot study.

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Authors Turner MD
Journal Dissertation Abstracts International: Section B: The Sciences and Engineering S2- Dissertation Abstracts International.
Year 2016

This article is included in 1 Systematic review Systematic reviews (1 reference)

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Efficacy of venlafaxine XR for the treatment of pain in patients with spinal cord injury and major depression: a randomized, controlled trial.

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Journal Archives of physical medicine and rehabilitation
Year 2015
Links Pubmed DOI

This article is included in 2 Systematic reviews Systematic reviews (2 references)

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OBJECTIVES: To (1) determine the efficacy of venlafaxine XR for the treatment of pain (secondary aim) in individuals with spinal cord injury (SCI) enrolled in a randomized controlled trial (RCT) on the efficacy of venlafaxine XR for major depressive disorder (MDD) (primary aim); and (2) test the hypothesis that venlafaxine XR would be effective for both neuropathic and nociceptive pain. DESIGN: Multisite, double-blind, randomized (1:1) controlled trial with subjects block randomized and stratified by site, lifetime history of substance abuse, and prior history of MDD. SETTING: Six Departments of Physical Medicine and Rehabilitation in university-based medical schools. PARTICIPANTS: Individuals (N=123) with SCI and major depression between 18 and 64 years of age, at least 1 month post-SCI who also reported pain. INTERVENTION: Twelve-week trial of venlafaxine XR versus placebo using a flexible titration schedule. OUTCOME MEASURES: A 0-to-10 numeric rating scale for pain, pain interference items of the Brief Pain Inventory; 30% and 50% responders. RESULTS: The effect of venlafaxine XR on neuropathic pain was similar to that of placebo. However venlafaxine XR resulted in statistically significant and clinically meaningful reductions in nociceptive pain site intensity and interference even after controlling for anxiety, depression, and multiple pain sites within the same individual. For those who achieved a minimally effective dose of venlafaxine XR, some additional evidence of effectiveness was noted for those with mixed (both neuropathic and nociceptive) pain sites. CONCLUSIONS: Venlafaxine XR could complement current medications and procedures for treating pain after SCI and MDD that has nociceptive features. Its usefulness for treating central neuropathic pain is likely to be limited. Research is needed to replicate these findings and determine whether the antinociceptive effect of venlafaxine XR generalizes to persons with SCI pain without MDD.

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Efficacy and safety of a form of cranial electrical stimulation (CES) as an add-on intervention for treatment-resistant major depressive disorder: A three week double blind pilot study.

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Journal Journal of psychiatric research
Year 2015
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This article is included in 1 Systematic review Systematic reviews (1 reference)

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We examined efficacy and safety of one specific cranial electrical stimulator (CES) device at a fixed setting in subjects with treatment-resistant major depressive disorder (MDD). Thirty subjects (57% female, mean age 48.1 ± 12.3 years) with MDD and inadequate response to standard antidepressants were randomized to 3 weeks of treatment with CES (15/500/15,000 Hz, symmetrical rectangular biphasic current of 1-4 mAmp, 40 V) or sham CES (device off) for 20 min, 5 days per week. The primary outcome measure was improvement in the 17-item Hamilton Depression Rating Scale (HAM-D-17). Adverse effects (AEs) were assessed using the Patient Related Inventory of Side Effects (PRISE). Completion rates were 88% for CES, 100% for sham. Both treatment groups demonstrated improvement of about 3-5 points in HAM-D-17 scores (p < 0.05 for both), and no significant differences were observed between groups. Remission rates were 12% for CES, and 15% for sham, a nonsignificant difference. CES was deemed safe, with good tolerability; poor concentration and malaise were the only distressing AEs that differed significantly between CES and sham (p = 0.019 and p = 0.043, respectively). Limitations include a small sample and lack of an active comparator therapy. Although both treatment groups improved significantly, this CES at the setting chosen did not separate from sham in this sample. Thus we cannot rule out that the benefit from this setting used in this particular form of CES was due to placebo effects. Since this form of CES has other settings, future studies should test these settings and compare it against other CES devices. Clinicaltrials.gov ID: NCT01325532.

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A Pilot Study of Safety and Efficacy of Cranial Electrotherapy Stimulation in Treatment of Bipolar II Depression.

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Journal The Journal of nervous and mental disease
Year 2015
Links Pubmed DOI PubMed Central

This article is included in 1 Systematic review Systematic reviews (1 reference)

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This double-blind, sham-controlled study sought to investigate the effectiveness of cranial electrotherapy stimulation (CES) for the treatment of bipolar II depression (BD II). After randomization, the active group participants (n = 7) received 2 mA CES treatment for 20 minutes five days a week for 2 weeks, whereas the sham group (n = 9) had the CES device turned on and off. Symptom non-remitters from both groups received an additional 2 weeks of open-label active treatment. Active CES treatment but not sham treatment was associated with a significant decrease in the Beck Depression Inventory (BDI) scores from baseline to the second week (p = 0.003) maintaining significance until week 4 (p = 0.002). There was no difference between the groups in side effects frequency. The results of this small study indicate that CES may be a safe and effective treatment for BD II suggesting that further studies on safety and efficacy of CES may be warranted.

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A clinical trial of cranial electrotherapy stimulation for anxiety and comorbid depression.

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Authors Barclay TH , Barclay RD
Journal Journal of affective disorders
Year 2014
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This article is included in 1 Systematic review Systematic reviews (1 reference)

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<b>BACKGROUND: </b>Anxiety disorders are among the most prevalent mental disorders and are usually treated with medication and/or psychotherapy. When anxiety disorders are accompanied with comorbid depression, this further complicates the treatment process. Medication compliance is a common problem due to adverse side effects and new and effective treatments that have minimal side effects are needed for the treatment of anxiety and depression. This study used a randomized, double-blind, sham controlled design to examine the effectiveness of CES as a treatment for anxiety disorders and comorbid depression in a primary care setting. The study was registered at clinicaltrials.gov, NCT01533415.<b>METHODS: </b>One hundred and fifteen participants, age 18 years and over, with a primary diagnosis of an anxiety disorder were enrolled from February 2012 to December 2012 The Hamilton Rating Scale for Anxiety (HAM-A) and the Hamilton Depression Rating Scale17 (HAM-D17) were used for baseline and outcome measures at weeks one, three, and five. Response to treatment was defined as a reduction of ≥50% or more on these measures.<b>RESULTS: </b>Analysis of covariance revealed a significant difference between the active CES group and the sham CES group on anxiety (p=0.001, d=0.94) and on depression (p=0.001, d=0.78) from baseline to endpoint of study in favor of the active CES group.<b>CONCLUSIONS: </b>CES significantly decreases anxiety and comorbid depression. Subjects reported no adverse events during the study.

Primary study

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Shaped magnetic field pulses by multi-coil repetitive transcranial magnetic stimulation (rTMS) differentially modulate anterior cingulate cortex responses and pain in volunteers and fibromyalgia patients.

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Journal Molecular pain
Year 2013
Links Pubmed DOI PubMed Central

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BACKGROUND: Repetitive transcranial magnetic stimulation (rTMS) has shown promise in the alleviation of acute and chronic pain by altering the activity of cortical areas involved in pain sensation. However, current single-coil rTMS technology only allows for effects in surface cortical structures. The ability to affect activity in certain deep brain structures may however, allow for a better efficacy, safety, and tolerability. This study used PET imaging to determine whether a novel multi-coil rTMS would allow for preferential targeting of the dorsal anterior cingulate cortex (dACC), an area always activated with pain, and to provide preliminary evidence as to whether this targeted approach would allow for efficacious, safe, and tolerable analgesia both in a volunteer/acute pain model as well as in fibromyalgia chronic pain patients. METHODS: Part 1: Different coil configurations were tested in a placebo-controlled crossover design in volunteers (N = 16). Tonic pain was induced using a capsaicin/thermal pain model and functional brain imaging was performed by means of H2(15)O positron emission tomography - computed tomography (PET/CT) scans. Differences in NRS pain ratings between TMS and sham treatment (NRS(TMS)-NRS(placebo)) which were recorded each minute during the 10 minute PET scans. Part 2: 16 fibromyalgia patients were subjected to 20 multi-coil rTMS treatments over 4 weeks and effects on standard pain scales (Brief Pain Inventory, item 5, i.e. average pain NRS over the last 24 hours) were recorded. RESULTS: A single 30 minute session using one of 3 tested rTMS coil configurations operated at 1 Hz consistently produced robust reduction (mean 70% on NRS scale) in evoked pain in volunteers. In fibromyalgia patients, the 20 rTMS sessions also produced a significant pain inhibition (43% reduction in NRS pain over last 24 hours), but only when operated at 10 Hz. This degree of pain control was maintained for at least 4 weeks after the final session. CONCLUSION: Multi-coil rTMS may be a safe and effective treatment option for acute as well as for chronic pain, such as that accompanying fibromyalgia. Further studies are necessary to optimize configurations and settings as well as to elucidate the mechanisms that lead to the long-lasting pain control produced by these treatments.

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Effects of non-pharmacological pain treatments on brain states.

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Journal Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology
Year 2013
Links Pubmed DOI PubMed Central

This article is included in 1 Systematic review Systematic reviews (1 reference)

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OBJECTIVE: To (1) evaluate the effects of a single session of four non-pharmacological pain interventions, relative to a sham tDCS procedure, on pain and electroencephalogram- (EEG-) assessed brain oscillations, and (2) determine the extent to which procedure-related changes in pain intensity are associated with changes in brain oscillations. METHODS: 30 individuals with spinal cord injury and chronic pain were given an EEG and administered measures of pain before and after five procedures (hypnosis, meditation, transcranial direct current stimulation [tDCS], neurofeedback, and a control sham tDCS procedure). RESULTS: Each procedure was associated with a different pattern of changes in brain activity, and all active procedures were significantly different from the control procedure in at least three bandwidths. Very weak and mostly non-significant associations were found between changes in EEG-assessed brain activity and pain. CONCLUSIONS: Different non-pharmacological pain treatments have distinctive effects on brain oscillation patterns. However, changes in EEG-assessed brain oscillations are not significantly associated with changes in pain, and therefore such changes do not appear useful for explaining the benefits of these treatments. SIGNIFICANCE: The results provide new findings regarding the unique effects of four non-pharmacological treatments on pain and brain activity.

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Efficacy of cranial electric stimulation for the treatment of insomnia: A randomized pilot study.

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Authors Lande RG , Gragnani C
Journal Complementary therapies in medicine
Year 2013
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This article is included in 1 Systematic review Systematic reviews (1 reference)

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OBJECTIVES: This pilot study examined the potential efficacy of cranial electric stimulation for the treatment of insomnia. DESIGN: The researchers tested the hypothesis through a randomized, double-blind, and placebo controlled clinical trial. The researchers approached eligible subjects who scored 21 or above on the Pittsburgh Insomnia Rating Scale. The researchers then randomly assigned the subjects to receive either an active or sham device. Each study subject received 60min of active or sham treatment for five days. Following each intervention the subjects completed a sleep log, as well as three and ten days later. SETTING: The researchers conducted the study among active duty service members receiving mental health care on the Psychiatry Continuity Service (PCS), Walter Reed National Military Medical Center in Bethesda, MD. MAIN OUTCOME MEASURES: The study's primary outcome variables were the time to sleep onset, total time slept, and number of awakenings as reported by the subjects in the serial sleep logs. The researchers identified a nearly significant increase in total time slept after three cranial electric stimulation treatments among all study subjects. A closer examination of this group revealed an interesting gender bias, with men reporting a robust increase in total time slept after one treatment, decay in effect over the next two interventions, and then an increase in total time slept after the fourth treatment. The researchers speculate that the up and down effect on total time slept could be the result of an insufficient dose of cranial electric stimulation.

Primary study

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Cranial Electrical Stimulation Improves Symptoms and Functional Status in Individuals with Fibromyalgia.

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Journal Pain management nursing : official journal of the American Society of Pain Management Nurses
Year 2013
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Abstract: To investigate the effects of microcurrent cranial electrical stimulation (CES) therapy on reducing pain and its associated symptoms in fibromyalgia (FM), we conducted a randomized, controlled, three-group (active CES device, sham device, and usual care alone [UC]), double-blind study to determine the potential benefit of CES therapy for symptom management in FM. Those individuals using the active CES device had a greater decrease in average pain (p = .023), fatigue (p = .071), and sleep disturbance (p = .001) than individuals using the sham device or those receiving usual care alone over time. Additionally, individuals using the active CES device had improved functional status versus the sham device and UC groups over time (p = .028).

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A randomized trial of pregabalin in patients with neuropathic pain due to spinal cord injury.

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Journal Neurology
Year 2013
Links Pubmed DOI PubMed Central

This article is included in 2 Systematic reviews Systematic reviews (2 references)

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<b>OBJECTIVE: </b>To assess the efficacy and tolerability of pregabalin for the treatment of central neuropathic pain after spinal cord injury (SCI).<b>METHODS: </b>Patients with chronic, below-level, neuropathic pain due to SCI were randomized to receive 150 to 600 mg/d pregabalin (n = 108) or matching placebo (n = 112) for 17 weeks. Pain was classified in relation to the neurologic level of injury, defined as the most caudal spinal cord segment with normal sensory and motor function, as above, at, or below level. The primary outcome measure was duration-adjusted average change in pain. Key secondary outcome measures included the change in mean pain score from baseline to end point, the percentage of patients with ≥30% reduction in mean pain score at end point, patient global impression of change scores at end point, and the change in mean pain-related sleep interference score from baseline to end point. Additional outcome measures included the medical outcomes study-sleep scale and the Hospital anxiety and depression scale.<b>RESULTS: </b>Pregabalin treatment resulted in statistically significant improvements over placebo for all primary and key secondary outcome measures. Significant pain improvement was evident as early as week 1 and was sustained throughout the treatment period. Adverse events were consistent with the known safety profile of pregabalin and were mostly mild to moderate in severity. Somnolence and dizziness were most frequently reported.<b>CONCLUSIONS: </b>This study demonstrates that pregabalin is effective and well tolerated in patients with neuropathic pain due to SCI.<b>Classification Of Evidence: </b>This study provides class I evidence that pregabalin, 150 to 600 mg/d, is effective in reducing duration-adjusted average change in pain compared with baseline in patients with SCI over a 16-week period (p = 0.003, 95% confidence interval = -0.98, -0.20).