Investigating the effect of tDCS on self-control, craving reduction, and psychological distress; the effect of MI on increasing self-control, craving reduction, and psychological distress

Comparing the Effectiveness of Transcranial Direct Current Stimulation (tDCS) and Motivational Interviewing on Self-control, Reducing Cravings and Psychological Distress in Drug Addict Men

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20251110067950N1

Enrollment

Registered

2025-11-18

Start date

2025-11-21

Completion date

Unknown

Last updated

2025-12-08

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

Conditions

Condition 1: Opioid Addiction. Condition 2: Stimulant Drug Addiction. Mental and behavioural disorders due to use of opioids Mental and behavioural disorders due to use of other stimulants, including Amphetamin

Interventions

Intervention 1: Intervention group 1: The group that receives transcranial direct current electrical stimulation (tDCS) for 10 sessions of 20 minutes according to the protocol. Intervention 2: Interve

Eligibility

Sex/Gender

Male

Age

25 Years to 50 Years

Inclusion criteria

Inclusion criteria: Having a history of drug use (glass and opiates) for more than two years and less than 8 years Being between 25 and 50 years of age Not currently taking Psychiatric medications due to other Mental disorders Not having a history of tDCS Not having Metal devices or prostheses in the Head and Face Not having Psychotic disorders Not having a history of Seizures or Epilepsy, as well as Heart disease or a Battery in the Heart

Exclusion criteria

Exclusion criteria: Personal dissatisfaction

Design outcomes

Primary

Measure	Time frame
Self-control. Timepoint: Evaluation of the desired outcomes in the stages before the intervention begins, after the end of the implementation of the independent variables, and the follow-up phase to monitor the impact of the interventions two months after the implementation of the independent variables. Method of measurement: The measurement of the self-control variable is the score that the researcher gives to respondents on the Grasmick et al. (1993) Self-Control Questionnaire.;Craving. Timepoint: Evaluation of the desired outcomes in the stages before the intervention begins, after the end of the implementation of the independent variables, and the follow-up phase to monitor the impact of the interventions two months after the implementation of the independent variables. Method of measurement: The measurement of the craving variable is the score that the researcher gives to the questions on the Franken et al. (2002) Periodic Craving Questionnaire.;Psychological Distress. Timepoint: Evaluation of the desired outcomes in the stages before the intervention begins, after the end of the implementation of the independent variables, and the follow-up phase to monitor the impact of the interventions two months after the implementation of the independent variables. Method of measurement: The measurement of the psychological distress variable is the score that the researcher gives to the questions on the Kessler Psychological Distress Questionnaire (K10).	—

Measure

Time frame

Self-control. Timepoint: Evaluation of the desired outcomes in the stages before the intervention begins, after the end of the implementation of the independent variables, and the follow-up phase to monitor the impact of the interventions two months after the implementation of the independent variables. Method of measurement: The measurement of the self-control variable is the score that the researcher gives to respondents on the Grasmick et al. (1993) Self-Control Questionnaire.;Craving. Timepoint: Evaluation of the desired outcomes in the stages before the intervention begins, after the end of the implementation of the independent variables, and the follow-up phase to monitor the impact of the interventions two months after the implementation of the independent variables. Method of measurement: The measurement of the craving variable is the score that the researcher gives to the questions on the Franken et al. (2002) Periodic Craving Questionnaire.;Psychological Distress. Timepoint: Evaluation of the desired outcomes in the stages before the intervention begins, after the end of the implementation of the independent variables, and the follow-up phase to monitor the impact of the interventions two months after the implementation of the independent variables. Method of measurement: The measurement of the psychological distress variable is the score that the researcher gives to the questions on the Kessler Psychological Distress Questionnaire (K10).

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactFarid Tashakkori Arani

Islamic Azad University

f.tashakkoriarani@iau.ac.ir+98 26 3425 9571

Outcome results

None listed

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