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Vitamin d may tweak brain waves in depressed women

NCT ID NCT07579078

Symptom relief Sponsor: Bangladesh Medical University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether giving vitamin D supplements to women with depression and low vitamin D levels can change their brain waves. Researchers will measure brain activity using a non-invasive EEG scan before and after supplementation. The trial includes 34 women aged 20-40 who have been on stable medication for at least 6 months.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
vitamin D
What this could lead to
If it works, this could point toward a simple, low-cost way to improve brain function in women with depression who are low in vitamin D.
What could go wrong
This is a very small, early study with only 34 participants. It only looks at brain wave changes, not whether depression symptoms actually improve. Results may not apply to men or other groups.

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

About 34 people

The number the study aims to enrol. It can still change while the study runs.

Started

Apr 2026

Expected to finish

Dec 2026

An estimate. End dates often move.

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

20 to 40 years

Sex

Female participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * • Diagnosed case of MDD by a psychiatrist form the Department of Psychiatry OPD, based on the Diagnostic and Statistical Manual of Mental Disorder, 5th edition (DSM-V) criteria set by the American Psychiatric Association. * Hypovitaminosis D ( serum 25 ( OH )D \<30 ng/ml ) * Age range : 20-40 years * Sex: female * Patients must be on a stable dose regimen, without any changes in drug type or dosage, for at least 6 months prior to enrollment , to minimize confounding effects on EEG outcomes. * Not receiving any medication that affect central nervous system other than anti-depressant drugs Exclusion Criteria: * Active smokers * Known hypersensitivity to vitamin D * Presence of any other serious psychiatric or systemic illness * Pregnant women * Lactating women * Women taking hormonal contraceptives. * Individuals already taking vitamin D supplements * Patients with hypercalcemia

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Conditions

The condition(s) this trial relates to.

major depressive disorder rickets vitamin D deficiency

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Hypovitaminosis D Major depressive disorder (MDD)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. 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

  • Bangladesh Medical University

    Dhaka, Bangladesh

More trials for these conditions

Other studies related to the condition(s) this trial covers.