Effect of Transcranial Direct-current Stimulation in Eating Behavior of

Status Recruiting

Clinical Trial Summary

Introduction: Fibromyalgia (FM) is a syndrome characterized by generalized musculoskeletal pain, fatigue, non-repairing sleep, cognitive changes, depressive symptoms and other correlates of autonomic dysfunction. A high prevalence of overweight in patients with fibromyalgia is observed, about 80% according to current data, which affects the course and prognosis of the disease, besides overburdening health costs and further compromising quality of life. life of these patients. Evidence shows possible pathophysiological pathways shared by these two pathologies, as well as aspects related to food behavior. It is known that dopaminergic neurotransmission is altered in both, suggesting an increase in the sensitivity or density of D2 dopamine receptors. Non-pharmacological options for pain management and dysfunctional eating behavior include the important contribution of neuromodulatory techniques of non-invasive cerebral stimulation, such as transcranial direct current stimulation (tDCS), which aims to increase resisting hyperpalatable foods and reducing caloric intake. Objectives: To evaluate the association between dopamine receptor-2 (DRD2) Taq1A allele A1 polymorphism (rs1800497) and to observe the possible effect of tDCS on the dorsolateral prefrontal cortex (DLPFC) on homeostatic and hedonistic aspects of eating behavior in women with FM. Methods: A randomized, double blind, parallel group, controlled trial with simulated treatment will be performed. Will be included in the study women literate, right-handed, with confirmed diagnosis of FM. The evaluation will be done through questionnaires on pain and eating behavior, anthropometric evaluation and biochemical measurements. The intervention will take place through active or simulated home for 4 weeks. Perspectives: To evaluate dysfunctional neuroplastic changes in eating behavior and biological markers and also to serve as a basis for future effective treatment strategies through neuromodulation and nutritional counseling.

Clinical Trial Description

A randomized, double-blind, parallel-group controlled trial with sham treatment will be conducted in fibromyalgia patients to assess aspects of eating behavior. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04192058
Study type	Interventional
Source	Hospital de Clinicas de Porto Alegre
Contact
Status	Recruiting
Phase	N/A
Start date	September 15, 2019
Completion date	December 15, 2021

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Effect of Transcranial Direct-current Stimulation in Eating Behavior of Women With Fibromyalgia

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms