Could a diabetes pill lift bipolar depression? small study aims to find out
NCT ID NCT07472920
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether empagliflozin, a drug used for diabetes, can help reduce depression in people with bipolar disorder who also have insulin resistance. Twenty adults with bipolar depression will take the drug for 12 weeks alongside their usual treatment. The goal is to see if improving insulin resistance can improve mood and guide future research.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 20 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Mar 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Adults aged 18 to 65 years. 2. Diagnosis of Bipolar Disorder type I or II according to DSM-5 criteria, confirmed by the MINI International Neuropsychiatric Interview. 3. Montgomery-Åsberg Depression Rating Scale (MADRS) score ≥ 15 at screening. 4. Currently receiving stable pharmacological treatment for bipolar disorder, with no medication changes (addition or withdrawal) in the past 4 weeks. 5. Ability to provide informed consent. 6. Insulin resistance, defined as HOMA-IR ≥ 1.8. Exclusion Criteria: 1. History of hypersensitivity to empagliflozin or any SGLT2 inhibitor. 2. Type 1 or type 2 diabetes mellitus or HbA1c ≥ 6.5% at screening. 3. Known pancreatic disease (pancreatitis or pancreatic surgery). 4. Chronic kidney disease (eGFR \< 30 mL/min/1.73m²). 5. Recurrent genital fungal infections. 6. Pregnant or breastfeeding. 7. Alcohol abuse or dependence within the past 12 months. 8. YMRS score ≥ 12 (presence of manic or hypomanic symptoms).
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Institute of Psychiatry, University of São Paulo Medical School (IPq-FMUSP)
São Paulo, São Paulo, 05403-903, Brazil
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Other studies related to the condition(s) this trial covers.
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