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Investigating the effect of transcranial direct current stimulation on appetite

Investigating the effect of transcranial direct current stimulation (tDCS) and a standard hypocaloric diet on food craving, appetite sensation, and glycemic control in patients with type 2 diabetes

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20220305054185N1
Enrollment
120
Registered
2024-01-14
Start date
2024-02-20
Completion date
Unknown
Last updated
2024-01-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

type 2 diabetic patients. Type 2 diabetes mellitus

Interventions

Intervention 1: Intervention group: Transcranial direct stimulation for two weeks every other day with an intensity of 20 mA for 20 minutes in the F4 and F3 areas of the head without any dietary recom

Sponsors

Esfahan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Previously diagnosed T2DM (HbA1C= 6.5% or FPG= 126 mg/dl or OGTT> 200 mg/dl) Age > 18 years and 30

Exclusion criteria

Exclusion criteria: Unwillingness or inability to complete any of the major aspects of the study protocol including food cue rating or behavioral assessments Previously diagnosed psychiatric disorders (i.e., depression, psychotic disorders, personality disorders, dementia-related disorders) Presence of eating disorders evaluated by Eating Disorder Examination Questionnaire History of cancer, stroke, and renal, cardiovascular, or liver diseases Use dietary supplements at the start of study or during last 3 months Using appetite increasing or suppressing drugs Any other condition the research team feel would put the subject at risk for entering the study Contraindication to tDCS (pacemaker, a metal embedded in the scalp or brain, skin lesions at the site of stimulation, history of head injury or neurosurgery, and seizures)

Design outcomes

Primary

MeasureTime frame
Food craving. Timepoint: Before intervention, day 14, day 30, day 60, day 90 after intervention. Method of measurement: Food Craving Questionnaire.

Secondary

MeasureTime frame
Fasting plasma glucose. Timepoint: Before intervention, day 14, day 90 after intervention. Method of measurement: enzymatic UV-hexokinase.;Glycated hemoglobin A1C. Timepoint: Before intervention, day 14, day 90 after intervention. Method of measurement: high-performance liquid chromatography.;Serum Insulin. Timepoint: Before intervention, day 14, day 90 after intervention. Method of measurement: chemiluminescence microparticle immunoassay.;Weight. Timepoint: Before intervention, day 14, day 30, day 60, day 90 after intervention. Method of measurement: Scale.;Body composition. Timepoint: Before intervention, day 14, day 30, day 60, day 90 after intervention. Method of measurement: InBody 353 tetrapolar body composition analyzer.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAmirhossein Ramezani Ahmadi

Esfahan University of Medical Sciences

amir.h.r.ahmadi@gmail.com+98 31 3335 9933

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026