The Effect of Comorbid Alcohol/Substance Use

Sponsor
Abant Izzet Baysal University
Study ID
NCT07692984
Status
Recruiting
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Conditions

Eligibility Criteria

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

Interventions

  • case (comorbid diagnosis) — OTHER
    Patients who already have a comorbid diagnosis of Alcohol and Substance Use Disorder (ASUD) have been exposed to alcohol and substances. Data will be collected by administering the scales to these patients. Social Inclusion and Rehabilitation Variables Substance Use Risk Screening Test (DAST-10) Screening Test for the Diagnosis of Alcohol Use Disorders (AUDIT) Social Exclusion (Ostracism) Scale
  • control — OTHER
    Social Inclusion and Rehabilitation Variables Substance Use Risk Screening Test (DAST-10) Screening Test for the Diagnosis of Alcohol Use Disorders (AUDIT) Social Exclusion (Ostracism) Scale

Study Details

Study Design This study was designed as a comparative, cross-sectional case-control study examining the effect of comorbid alcohol and substance use disorder (ASUD) on clinical course and social inclusion among individuals with severe mental illness followed at a Community Mental Health Center (CMHC). The study did not involve any interventions. Aim The aim of this study is to examine the effect of comorbid alcohol and substance use on clinical course parameters-such as number of hospitalizations and medication dosages-and on social inclusion indicators-such as employment, social participation, and social adjustment-among individuals with severe mental illness followed at the CMHC, in comparison with a matched control group without substance use. Research Questions What are the rates of comorbid alcohol and substance use among patients with severe mental illness followed at the CMHC? What are the current addiction symptoms, number of hospitalizations, and employment rates among individuals with severe mental illness and comorbid ASUD? What is the level of continuity of CMHC engagement and social participation among individuals with severe mental illness and comorbid ASUD, and what factors influence it? How does the level of social inclusion among individuals with severe mental illness and comorbid ASUD compare with that of individuals without ASUD? Hypotheses H1: The average annual number of hospitalizations among individuals with a dual diagnosis (severe mental illness + ASUD) followed at the CMHC is significantly higher than among those without substance use. H2: Among individuals with a dual diagnosis, the daily medication doses (e.g., chlorpromazine equivalents) required to control psychotic or manic symptoms are higher than in the control group. H3: Social inclusion is lower among patients with substance use compared with the control group. H4: Employment rates among individuals with a dual diagnosis are significantly lower than among those with severe mental illness alone. H5: Substance use negatively affects patients' social participation, including involvement in activities and friendships. H6: Attendance rates at CMHC workshops and rehabilitation programs are lower among individuals with substance use compared with the control group.

Key Dates

First listed
Jul 9, 2026
Start date
Jun 20, 2026
Status verified
Jul 2026
Primary completion
Sep 30, 2026
Completion
Dec 30, 2026

Study Design

Enrollment
297 participants (estimated)

Arms

  • Arm: Case group
    Patients will be divided into two groups based on whether or not they have a concomitant diagnosis of Alcohol and Substance Use Disorder (ASUD): (1) Dual diagnosis group (Severe Mental Illness + Alcohol and Substance Use Disorder)
  • Arm: Control group
    (2) Control group (Severe Mental Illness, no Alcohol and Substance Use Disorder). The diagnosis of Alcohol and Substance Use Disorder will be determined according to DSM-5 criteria and the recorded diagnosis in the interview and clinical follow-up notes in the community mental health center physician records.

Primary Outcome Measure

Ostracism [ Time Frame: Baseline ]

Central Contacts

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