Cannabis use by people with schizophrenia is associated with family distress and poor clinical outcomes. Therefore, an Family Motivational Intervention (FMI) was developed to help parents to motivate their child with a diagnoses of recent-onset schizophrenia to reduce cannabis use. In a single-blind randomised clinical trail with 75 patients with the diagnosis of schizophrenia, parents will be assigned to either FMI or to routine care. Assessments will be conducted at baseline and at a 10- and 22-month follow-up. The study hypothesis is that FMI will be more effective than routine care in reducing (a) cannabis use in patients and (b) distress and sense of burden in parents.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
147
A intervention with provided parents 6 sessions of Interaction Skills training and 6 sessions Motivational Interviewing training.
Academic Medical Center
Amsterdam, North Holland, Netherlands
Cannabis use in patients with a diagnosis of recent-onset schizophrenia
Time frame: Baseline (before the start of the intervention)
Cannabis use in patients with a diagnosis of recent-onset schizophrenia
Time frame: 10-month follow-up (3 months after the intervention has ended)
Cannabis use in patients with a diagnosis of recent-onset schizophrenia
Time frame: 22-month follow-up (15 months after the intervention has ended)
Medication adherence in patients with a diagnosis of recent-onset schizophrenia
Time frame: Baseline (before the start of the intervention)
Medication adherence in patients with a diagnosis of recent-onset schizophrenia
Time frame: 10-month follow-up (3 months after the intervention has ended)
Medication adherence in patients with a diagnosis of recent-onset schizophrenia
Time frame: 22-month follow-up (15 months after the intervention has ended)
Quality of life in patients with recent-onset schizophrenia
Time frame: Baseline (before the start of the intervention)
Quality of life in patients with recent-onset schizophrenia
Time frame: 10-month follow-up (3 months after the intervention has ended)
Quality of life in patients with recent-onset schizophrenia
Time frame: 22-month follow-up (15 months after the intervention has ended)
Stress in parents due to caring for a child with recent-onset schizophrenia
Time frame: Baseline (before the start of the intervention)
Stress in parents due to caring for a child with recent-onset schizophrenia
Time frame: 10-month follow-up (3 months after the intervention has ended)
Stress in parents due to caring for a child with recent-onset schizophrenia
Time frame: 22-month follow-up (15 months after the intervention has ended)
Expressed emotion in parents of patients with recent-onset schizophrenia
Time frame: Baseline (before the start of the intervention)
Expressed emotion in parents of patients with recent-onset schizophrenia
Time frame: 10-month follow-up (3 months after the intervention has ended)
Expressed emotion in parents of patients with recent-onset schizophrenia
Time frame: 22-month follow-up (15 months after the intervention has ended)
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