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Processing speed and working memory and his relationship with plasma cortisol levels in Chronic Methamphetamine Users, with review of the literature

Processing speed and working memory and his relationship with plasma cortisol levels in Chronic Methamphetamine Users, with review of the literature

Status
Active, not recruiting
Phases
Phase 3
Study type
Observational
Source
TCTR
Registry ID
TCTR20180616001
Enrollment
70
Registered
2018-06-16
Start date
2015-03-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

All stages of the study were conducted after obtaining informed consent and based on the latest version of Helsinki Declaration. Hypothalamic&#45

Interventions

Sponsors

none
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
25 Years to 65 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria were including the age range of 25-65 years, the methamphetamine dependency based on DSM-IV, the history of addiction between 2 to 10 years, and the amount of use between 0.5 to 1 g / day, minimal ability of reading and writing, and staying in Tehran and its suburbs at a distance of 30 square kilometers.

Exclusion criteria

Exclusion criteria: Exclusion criteria were also including co-dependence on other drugs, drug use during the 12 months prior to preliminary assessment, history of kidney stones, renal failure, or Kidney transplantation, the history of specific diseases, severe psychiatric disorders, and the use of antipsychotics drugs and drug allergy.

Design outcomes

Primary

MeasureTime frame
processing speed 12 weeks Stroop Colour Word Test

Secondary

MeasureTime frame
working memory 12 weeks Wechsler Adult Intelligence Scale

Countries

iran

Contacts

Public Contactbijan pirnia

Bijan Center

b.pirnia@usc.ac.ir+9802122081450

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026