Skip to content

Efficacy of quetiapine for delirium prevention in the hospitalized elderly medical patients

Efficacy of quetiapine for delirium prevention in the hospitalized elderly medical patients: A randomized double-blind controlled trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
TCTR
Registry ID
TCTR20190927001
Enrollment
Unknown
Registered
2019-09-27
Start date
2018-08-14
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Delirium Quetiapine Delirirum Prevention Hospitalized Internal medicine Elderly

Interventions

Quetiapine 12.5 mg tablets once daily at 9 pm for a maximum of seven consecutive days.,Placebo once daily at 9 pm for a maximum of seven consecutive days.
Experimental Drug,Placebo Comparator Drug

Sponsors

Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Thailand
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to No maximum

Inclusion criteria

Inclusion criteria: Patient aged more than 65 years, acutely hospitalized in a medical ward.

Exclusion criteria

Exclusion criteria: Patient or family refusal, patient who was diagnosed delirium, patient who was critically ill, emergency surgery, terminal illness, unable to take medication, currently taking antipsychotics, active cardiac conditions, history of epilepsy, substance dependence or abuse, blood potassium level ≤ 3.0 mEq/L, corrected QTc ≥ 500 msec from EKG, unable to communicate, expected to be discharged within 24 hours, severe Parkinson’s disease and patient who was diagnosed dementia.

Design outcomes

Primary

MeasureTime frame
Delirium incident During intervention Confusion Assessment Method (CAM),Delirium duration During intervention Confusion Assessment Method (CAM)

Secondary

MeasureTime frame
Delirium duration During intervention Confusion Assessment Method (CAM),ICU admission During hospital admission Patient is transferred to ICU,Mortality During hospital admission Patient death during hospital admission,Rehospitalization 90 days after patient discharge Patient record review and telephone,90-day mortality 90 days after patient discharge Patient record review and telephone

Countries

Thailand

Contacts

Public ContactSaran Thanapluetiwong

Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Thailand

saran.tha@mahidol.ac.th(66)22012588

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026