Cognitive disorder
MONDO:0002039A disease affects cognitive processes.
Also known as: cognitive disorder
3177 clinical trials for this condition and its sub-types, 444 tagged with Cognitive disorder itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
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Sub-types of Cognitive disorder
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Dementia 738 trials · 1,795 incl. sub-types
9 sub-types
- Alzheimer disease 1,187 trials Sub-types →
- Hereditary dementia 2 trials · 322 incl. sub-types Sub-types →
- Lewy body dementia 130 trials
- Vascular dementia 72 trials Sub-types →
- Dementia pugilistica 15 trials
- AIDS dementia complex 6 trials
- Childhood-onset dementia 1 trial
- Parkinsonism with dementia of Guadeloupe 0 trials
- Progressive dementia with neuroserpin inclusion bodies 0 trials
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Psychotic disorder 201 trials · 769 incl. sub-types
8 sub-types
- Schizophrenia 635 trials · 653 incl. sub-types Sub-types →
- Schizoaffective disorder 228 trials · 231 incl. sub-types Sub-types →
- Schizophreniform disorder 72 trials
- Delusional disorder 21 trials · 22 incl. sub-types Sub-types →
- Methamphetamine-induced psychosis 6 trials
- Substance-induced psychosis 4 trials · 6 incl. sub-types Sub-types →
- Postpartum psychosis 1 trial
- Alcoholic psychosis 0 trials
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Delirium 258 trials
1 sub-type
- Subacute delirium 1 trial
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Subjective cognitive decline 115 trials
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Amnestic disorder 4 trials · 6 incl. sub-types
4 sub-types
- Anterograde amnesia 1 trial
- Transient global amnesia 1 trial
- Alcohol amnestic disorder 0 trials Sub-types →
- Retrograde amnesia 0 trials
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Alexia 2 trials
Most studied deeper sub-types
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Alzheimer's drug ALZ-801 tested Long-Term in High-Risk group
Disease control Stopped earlyThis study looked at the long-term safety and effects of ALZ-801, a tablet taken twice daily, in 163 people with early Alzheimer's disease who have the APOE4/4 gene. Participants had already completed a previous phase 3 study. The goal was to see if the drug could slow cognitive …
Phase 3 • Sponsor: Alzheon Inc. • Aim: Disease control
Last updated Jun 27, 2026 14:02 UTC
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Alzheimer's drug trial halted early: what happened?
Disease control Stopped earlyThis early-stage study tested a new drug, ADEL-Y01, in healthy volunteers and people with mild Alzheimer's or mild cognitive impairment. The goal was to check safety and how the drug moves through the body. The trial was stopped early, so results are limited.
Phase 1 • Sponsor: Alzheimer's Disease Expert Lab (ADEL), Inc. • Aim: Disease control
Last updated Jun 27, 2026 12:26 UTC
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Alzheimer's Tau-Targeting antibody trial halted midway
Disease control Stopped earlyThis study tested an experimental antibody called JNJ-63733657 in 523 people with early Alzheimer's disease. The antibody aims to clear tau protein clumps in the brain, which are linked to cognitive decline. Participants received either the antibody or a placebo by IV infusion. T…
Phase 2 • Sponsor: Janssen Research & Development, LLC • Aim: Disease control
Last updated Jun 27, 2026 12:03 UTC
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Alzheimer's drug extension trial halted early — what we know
Disease control Stopped earlyThis study gave Alzheimer's patients who had already completed earlier XPro1595 trials an extra 55 to 74 weeks of the drug to check long-term safety and effects on memory and brain health. Only 11 people took part, and the trial was terminated early, so the findings are limited. …
Phase 2 • Sponsor: Inmune Bio, Inc. • Aim: Disease control
Last updated Jun 27, 2026 09:08 UTC
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Lithium shield: could a mood drug guard the brain during neck surgery?
Disease control Stopped earlyThis study tested whether giving lithium carbonate before carotid artery surgery could reduce brain damage and confusion after the operation. The trial planned to include 107 adults undergoing elective carotid surgery, but it was terminated early. The goal was to see if lithium c…
Phase 3 • Sponsor: Negovsky Reanimatology Research Institute • Aim: Disease control
Last updated Jun 27, 2026 07:51 UTC
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Ginseng focus trial halted early – little to go on
Symptom relief Stopped earlyThis study tested whether a single 200 mg dose of American Ginseng (Cereboost) could improve attention and brain function in healthy young adults aged 18-40. Participants completed cognitive tests and gave blood samples over 6 hours. However, the trial was terminated early and on…
Sponsor: University of East Anglia • Aim: Symptom relief
Last updated Jun 28, 2026 00:00 UTC
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Touchscreen device aims to give voice to dementia patients
Symptom relief Stopped earlyThis study tested a personalized touchscreen device (My PATI) to help people with Alzheimer's or related dementias communicate their care preferences. The goal was to improve quality of life for both patients and their caregivers. The study was terminated early, so results are li…
Sponsor: Florida International University • Aim: Symptom relief
Last updated Jun 27, 2026 12:32 UTC
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Robot seal calms dementia patients during care
Symptom relief Stopped earlyThis study tested whether a robotic seal named PARO could help elderly people with moderate to severe memory problems feel calmer during daily care like bathing. The robot was used for a few minutes before and during care, twice a week for 16 weeks. The goal was to see if it redu…
Sponsor: Centre Hospitalier Departemental Vendee • Aim: Symptom relief
Last updated Jun 27, 2026 07:51 UTC
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Can a brain zap and computer game sharpen aging minds?
Symptom relief Stopped earlyThis study tested whether combining a computer-based speed-of-processing training with a gentle electrical brain stimulation (alpha-tACS) could improve how quickly people with mild cognitive impairment process visual information. The trial planned to enroll 40 adults aged 65 and …
Sponsor: Portucalense University • Aim: Symptom relief
Last updated Jun 26, 2026 16:29 UTC
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Alcohol and cirrhosis: can a quick test spot brain problems?
Knowledge-focused Stopped earlyThis study aimed to see if a short test called BEARNI could detect alcohol-related cognitive impairments (like memory and thinking problems) in people with alcoholic cirrhosis. The researchers planned to enroll patients with cirrhosis, but the study was stopped early after only o…
Sponsor: Centre Hospitalier Universitaire, Amiens • Aim: Knowledge-focused
Last updated Jun 27, 2026 14:02 UTC
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Home help for dementia caregivers: study ends early with few answers
Knowledge-focused Stopped earlyThis study aimed to see if introducing formal home help (like a paid aide) improves the quality of life for people caring for elderly relatives with memory or thinking problems. Researchers planned to follow 12 caregivers for 90 days, measuring changes in their well-being, stress…
Sponsor: Groupe Hospitalier de la Region de Mulhouse et Sud Alsace • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:58 UTC