50,000-Person study hopes to unlock secrets of mental illness
NCT ID NCT06641726
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This observational study will collect genetic and health information from 50,000 people with serious mental illnesses like bipolar disorder, schizophrenia, major depression, and dementia. Researchers will link this data to electronic health records to find patterns and risk factors. The goal is to improve diagnosis and guide the development of better treatments.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could lead to better ways to diagnose and treat serious mental illnesses like bipolar disorder and schizophrenia.
- What could go wrong
- This is an observational study, not a treatment trial. It may take years before any findings lead to practical changes in care.
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.
- Participants
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About 50,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2025
- Expected to finish
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Jul 2035
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Participants aged 18 and over with neuropsychiatric (MDD, BD or Schizophrenia) or Neurodegenerative disorder (dementia).
- Ages
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18 to 110 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.
Show the full entry requirements Hide 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: \- All participants must have an electronic health record in a primary or secondary care service. Mental Health cohort(s) • Have received a diagnosis and/or treatment/referral for mental illness for MDD, BD, Schizophrenia. • Having an available electronic health record • Current age 18+ (no upper age limit) • Can speak English Dementia cohort • Participants aged 18+ (no upper age limit) • Currently alive and are, or have been, old age psychiatry patients • Received relevant diagnosis or referral: EITHER • Clinical diagnosis of dementia, mild cognitive impairment (MCI) or subjective cognitive impairment (SCI) OR • Memory clinic referral • Must be willing and able to complete a validated cognitive assessment (MoCA or SLUMS). All dementia patients will undergo the extended biomarker analysis. Exclusion Criteria: \- Mental Health cohort(s) • Patients without capacity to provide consent. Dementia cohort • Inability to understand spoken and/or written spoken English • Individuals with intellectual disability. • Patients with dementia in Creutzfeldt-Jakob disease (CJD), Huntington's, HIV dementia, alcohol-related dementia, intellectual disability, traumatic brain injury at any time. • Patients diagnosed with depression (only an exclusion criterion for MCI/SCI patients), psychosis, bipolar disorder prior in the pre-index period - to be checked at screening.
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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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GlobalMinds central study team
RECRUITINGOxford, Oxford, OX1 3HJ, United Kingdom
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