IRCT20121231011956N10.

Trial name or title	Comparison of the effectiveness of haloperidol and quetiapine for delirium in the emergency department and intensive care unit
Methods	Single‐site, double‐blind, randomized study taking place in Iran. Target enrolment: 100 participants
Participants	Adult (> 18 years) patients admitted to the Emergency Department or ICU and diagnosed with delirium via DSM criteria
Interventions	Participants randomized to receive haloperidol (5 mg IM daily) or quetiapine (25 mg PO daily)
Outcomes	Primary Delirium severity (DRS‐R‐98) Secondary None stated
Starting date	March 2018
Contact information	Morteza Talebi Doluee (talebidm@mums.ac.ir)
Notes	Study recruitment is complete Funding source: Mashhad University of Medical Sciences Sponsor: Mashhad University of Medical Sciences Study registered: at https://en.irct.ir/trial/29718