Impact of Cannabis Consumption on Psychotic Symptoms and Reality Monitoring in Patients With Schizophrenia: a Real-life Study

Sponsor
Centre Hospitalier Charles Perrens, Bordeaux
Study ID
NCT07309159
Phase
PHASE1/PHASE2
Status
Not Yet Recruiting

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Conditions

Eligibility Criteria

Sex
ALL
Age
18 Years - 65 Years
Healthy Volunteers
Not accepted

Interventions

  • Ecological Momentary Assessment (EMA) and Reality Monitoring tasks — OTHER
    Use of Ecological Momentary Assessment (EMA) and a mobile Reality Monitoring task

Study Details

This study aims to examine the dual effects of cannabis consumption on both positive and negative symptoms of schizophrenia, across laboratory and real-world contexts. By integrating ecological momentary assessment (EMA) with cognitive tasks such as reality monitoring, the research seeks to clarify how cannabis use influences symptom severity and cognitive functioning in individuals with schizophrenia. Gaining insight into these relationships may contribute to the development of more effective management strategies and ultimately improve outcomes for patients living with schizophrenia.

Key Dates

First listed
Dec 30, 2025
Start date
Jun 1, 2026
Status verified
Mar 2026
Primary completion
Dec 31, 2027
Completion
Dec 31, 2028

Study Design

Enrollment
120 participants (estimated)
Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
BASIC_SCIENCE

Arms

  • Experimental: "Cannabis user" group (SZ-CUD)
    Use of Ecological Momentary Assessment (EMA) and a mobile Reality Monitoring task
  • Active Comparator: "Non-cannabis user" group (SZ-noCUD)
    Use of Ecological Momentary Assessment (EMA) and a mobile Reality Monitoring task

Primary Outcome Measure

Presence of a statistically significant association between cannabis consumption and the reduction of negative symptoms [ Time Frame: 8 days ]

Central Contacts

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