Delirium
MONDO:0045057A disorder characterized by confusion; inattentiveness; disorientation; illusions; hallucinations; agitation; and in some instances autonomic nervous system overactivity. It may result from toxic/metabolic conditions or structural brain lesions. (From Adams et al., Principles of Neurology, 6th ed, pp411-2)
Also known as: OBS syndrome, organic brain syndrome
238 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsSub-types
Broader categories
-
Fish oil for a clearer mind after heart surgery? study halted early
Symptom relief TerminatedThis study aimed to see if taking omega-3 supplements before and after major heart surgery could lower the chance of confusion (delirium) in patients aged 65 and older. The trial was planned for many participants but was stopped early after enrolling only one person. Because it e…
Phase: PHASE2 • Sponsor: University of Missouri-Columbia • Aim: Symptom relief
Last updated Jun 27, 2026 12:31 UTC
-
Tiny study compares trazodone and quetiapine for ICU delirium – but was cut short
Symptom relief TerminatedThis pilot study aimed to compare trazodone and quetiapine for treating delirium in ICU patients. It enrolled only 10 adults in the surgical ICU who had delirium with symptoms like agitation or hallucinations. The study was terminated early, so the results are very limited and ca…
Sponsor: University of Southern California • Aim: Symptom relief
Last updated Jun 27, 2026 12:29 UTC
-
Methadone tested to shorten time on breathing machines in ICU
Symptom relief TerminatedThis study tested whether giving methadone to ICU patients on breathing machines could help them get off the ventilator faster. Patients who needed strong painkillers were given either methadone or a placebo. The trial was stopped early and only included 9 people, so no firm conc…
Phase: PHASE4 • Sponsor: Henry Ford Health System • Aim: Symptom relief
Last updated Jun 27, 2026 08:02 UTC
-
Can a common painkiller combo stop Post-Surgery confusion in seniors?
Symptom relief TerminatedThis study looked at whether giving elderly patients a combination of acetaminophen and ibuprofen (Maxigesic) during and after minimally invasive lung surgery could reduce the risk of postoperative delirium (sudden confusion). The trial planned to compare the drug group to a plac…
Phase: PHASE4 • Sponsor: Korea University Guro Hospital • Aim: Symptom relief
Last updated Jun 26, 2026 14:17 UTC