Sero-positive rheumatoid arthritis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Participants aged 18-70 years from the arthritis clinic will be included rheumatoid disease at the Hospital de Clínica de Porto Alegre (HCPA) who fulfill the following criteria:Participants diagnosed with RA according to the 2010 American criteria College of Rheumatology and the European League Against Rheumatism and determined by the clinical evaluation of a certified rheumatologist; Participants with RA and generalized pain for more than 3 months that is not of character mechanical or inflammatory, evaluated by a certified rheumatologist;Participants with pain assessed by the EVA-D visual analogue scale with a higher value than 40mm (moderate to severe pain) reported by the participant and/or recorded in the last consultations within the 3-month period prior to inclusion; Inflammatory Tests CRP less than 0.5 mg/dl and ESR less than 15 mm/h in the last exams performed in the 3-month period prior to inclusion; Treatment for stable RA, defined as unchanged doses of NSAIDs and/or opioids and/or DMARD in the 6 months prior to the start of the study protocol and doses of prednisone less than or equal to 5mg per day in the 6 months preceding the study; Stable treatment of antidepressants or anticonvulsants if using them for the treatment of pain, defined as no dose changes in the 6 months that precede the study; Possibility of maintaining doses of NSAIDs, DMARDs, corticosteroids, antidepressants and anticonvulsants without changes during the study; Being right-handed; Ability to give informed consent
Exclusion criteria
Exclusion criteria: Having contraindications for the use of Transcranial Direct Current Stimulation (tDCS): history of brain surgery, history of traumatic brain injury, history of stroke, previous implantation intracranial of any type of metal, pregnant or breastfeeding; Have a previous history of an autoimmune disease other than rheumatoid arthritis, fibromyalgia and osteoarthritis; Have a previous history of neurological disease; Have a previous history of neoplasia; Have a previous history of any other uncompensated medical illness (heart disease,kidney disease, liver disease, etc.); Use of illicit drugs in the last 6 months
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| It is expected to find a statistically significant (p > 0,05) decrease in the patients' painful symptoms. | — |
Secondary
| Measure | Time frame |
|---|---|
| It is expected to observe statistically significant (p > 0,05) improvement in the parameters of central sensitization, sleep quality, fatigue score, quality score in daily activities, pain catastrophizing score and depression score. | — |
Countries
Brazil
Contacts
Hospital de Clinicas de Porto Alegre