Magnesium pills might sharpen your mind while treating depression
NCT ID NCT07521358
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at whether taking magnesium supplements alongside the antidepressant fluoxetine can improve cognitive function in adults with major depression. Forty participants took either fluoxetine plus magnesium or fluoxetine alone for six weeks. Researchers measured changes in thinking skills and a brain protein called BDNF. The goal is to see if magnesium offers an extra benefit for mental clarity.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Magnesium (dietary supplement)
- What this could lead to
- If it works, adding magnesium to standard depression treatment could help improve thinking and memory in people with depression.
- What could go wrong
- This is a very small, completed trial with only 40 people. Results may not apply to everyone, and magnesium might not provide any extra benefit beyond fluoxetine alone.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
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
-
40 people
The number who actually took part.
- Started
-
Jul 2025
- Finished
-
Aug 2025
- Lead sponsor
-
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
-
18 to 60 years
- Sex
-
Anyone
- Healthy volunteers
-
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: * Adult patients aged 18-60 years * Diagnosed with major depressive disorder based on clinical assessment * Receiving fluoxetine therapy * Able to understand and provide informed consent Exclusion Criteria: * History of other major psychiatric disorders (e.g., schizophrenia, bipolar disorder) * Severe medical or neurological illness * Use of other psychotropic medications that may affect cognitive function * Known hypersensitivity to magnesium * Pregnancy or breastfeeding * Inability to complete cognitive assessment
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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
Locations
-
Dr. Wahidin Sudirohusodo Hospital
Makassar, South Sulawesi, 90245, Indonesia
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Other studies related to the condition(s) this trial covers.
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