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Evaluation of the effectiveness of rivastigmine in improving negative symptoms in chronic psychotic patients

Evaluation of the effectiveness of rivastigmine in improving negative symptoms in chronic psychotic patients

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20250611066174N2
Enrollment
72
Registered
2025-08-12
Start date
2025-09-21
Completion date
Unknown
Last updated
2025-08-19

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

Conditions

"Chronic Psychotic". Psychotic disorder with hallucinations due to known physiological condition

Interventions

Intervention 1: Intervention Group: Participants will receive oral rivastigmine capsules (Novartis, Exelon), starting at 3 mg once daily with food during the first week. The dose will be increased by

Sponsors

Zahedan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Diagnosis of psychotic disorder based on DSM-5 criteria Age between 18 and 65 years Presence of prominent negative symptoms (based on the PANSS scale)

Exclusion criteria

Exclusion criteria: Drug Interactions Participation in other studies (experimental treatments within last 3 months) pregnancy or lactation severe cognitive impairment (MMSE =18)

Design outcomes

Primary

MeasureTime frame
Negative Symptoms Score. Timepoint: Before the intervention, at the mid-point (6 weeks after the start), and at the end of the period (12 weeks after the start). Method of measurement: **Standard Questionnaire for Positive and Negative Symptoms Scale (PANSS)**.;Drug side effects (nausea, vomiting, itching, etc.). Timepoint: Before the intervention, at the mid-point (6 weeks after the start), and at the end of the period (12 weeks after the start). Method of measurement: History and Examination.

Countries

Iran (Islamic Republic of)

Contacts

Public Contactdr. Fatemeh Rezaie

Zahedan University of Medical Sciences

dr.frezaie@gmail.com+98 54 3329 5725

Outcome results

None listed

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