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GLP-1 Receptor Agonist

Semaglutide for Schizophrenia and Obesity (Sema Trial)

N/A
Recruiting
Led By Margaret Hahn, MD, PhD
Research Sponsored by Centre for Addiction and Mental Health
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up 32 weeks
Awards & highlights

Sema Trial Summary

This trial will investigate whether semaglutide, a weight-loss drug, is effective in reducing body weight in overweight or obese individuals with schizophrenia-spectrum disorders who are on antipsychotic medications and do not demonstrate adequate weight loss on metformin.

Who is the study for?
This trial is for adults aged 18-65 with schizophrenia spectrum disorder or related conditions, who are obese due to antipsychotic medications and haven't lost weight on metformin. Participants must have a BMI of at least 30, or 27 with certain health issues, and can't be pregnant, nursing, or without contraception if applicable.Check my eligibility
What is being tested?
The study tests whether semaglutide helps overweight individuals with schizophrenia spectrum disorders lose weight compared to a placebo. These patients struggle with obesity partly because of their antipsychotic medication and haven't had success losing weight on metformin.See study design
What are the potential side effects?
Semaglutide may cause side effects like digestive problems (nausea, vomiting), low blood sugar levels especially in those taking other diabetes medicines, pancreatitis risk increase, gallbladder issues such as gallstones.

Sema Trial Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~32 weeks
This trial's timeline: 3 weeks for screening, Varies for treatment, and 32 weeks for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Weight change
Secondary outcome measures
Body Mass Index (BMI)
Change in cognitive performance
Lipids
+14 more
Other outcome measures
1H-Magnetic resonance spectroscopy (MRS)
Arterial spin labeling (ASL)
Resting state functional MRI (rsfMRI)
+1 more

Side effects data

From 2020 Phase 4 trial • 104 Patients • NCT04189848
21%
Nausea
12%
Decreased Appetite
100%
80%
60%
40%
20%
0%
Study treatment Arm
Overall Study

Sema Trial Design

2Treatment groups
Experimental Treatment
Placebo Group
Group I: SemaglutideExperimental Treatment1 Intervention
Semaglutide medication will be taken by participants on a weekly schedule, and adherence tracked
Group II: PlaceboPlacebo Group1 Intervention
Placebo will be taken by participants on a weekly schedule, and adherence tracked
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Semaglutide
2019
Completed Phase 4
~5160

Find a Location

Who is running the clinical trial?

Centre for Addiction and Mental HealthLead Sponsor
356 Previous Clinical Trials
81,366 Total Patients Enrolled
58 Trials studying Schizophrenia
4,139 Patients Enrolled for Schizophrenia
Margaret Hahn, MD, PhDPrincipal InvestigatorCentre for Addiction and Mental Health
1 Previous Clinical Trials
17 Total Patients Enrolled

Media Library

Semaglutide (GLP-1 Receptor Agonist) Clinical Trial Eligibility Overview. Trial Name: NCT05333003 — N/A
Schizophrenia Research Study Groups: Semaglutide, Placebo
Schizophrenia Clinical Trial 2023: Semaglutide Highlights & Side Effects. Trial Name: NCT05333003 — N/A
Semaglutide (GLP-1 Receptor Agonist) 2023 Treatment Timeline for Medical Study. Trial Name: NCT05333003 — N/A

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

Is recruitment for this trial still open?

"This medical trial, which initially appeared on the clinicaltrials.gov platform in late May 2022 is presently recruiting participants. The latest update to this protocol was issued at the end of June that same year."

Answered by AI

How many participants is the organization recruiting for this trial?

"Affirmative. According to clinicaltrials.gov, this medical experiment is still open for enrollment since its debut on May 25th 2022 and has been updated as recently as June 27th 2022. In total, the trial requires 92 participants from a single location."

Answered by AI

What population is eligible to participate in this clinical experiment?

"This clinical trial is in search of 92 patients aged 18 to 55 with neuromyelitis optica. To be eligible, applicants must meet the following criteria: stable outpatients between ages 18 and 55 diagnosed with schizophrenia or schizoaffective disorder; a BMI ≥30 kg/m2 or higher, or 27 kg/m2 if there are any weight-related comorbidities (treated or untreated) such as hypertension, dyslipidaemia, obstructive sleep apnea, and impaired fasting glucose; unsuccessful attempts at losing 5% bodyweight over three months on metformin treatment; and ongoing maintenance therapy (>9 months"

Answered by AI
~36 spots leftby Aug 2025