Can a short exercise program stop antipsychotic weight gain?
NCT ID NCT06740890
First seen Jul 13, 2026 · Last updated Jul 14, 2026 · Updated 1 time
Summary
This study tests whether adding a four-week aerobic exercise program to a new antipsychotic medication (olanzapine-samidorphan) can prevent the early weight gain often seen with these drugs. Thirty adults with schizophrenia, schizoaffective disorder, or bipolar disorder will take the medication for eight weeks and exercise for the first four weeks. The main goal is to see if participants gain less weight than expected.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Olanzapine-samidorphan plus aerobic exercise
- What this could lead to
- If successful, this approach could help prevent the rapid weight gain often caused by antipsychotic medications, improving long-term health outcomes.
- What could go wrong
- This is a small, early-phase study with only 30 participants, so results may not apply broadly. The exercise program is short (4 weeks), and weight gain prevention may not persist.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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New York State Psychiatric Institute
RECRUITINGNew York, New York, 10032, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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