In patients with sepsis, treatment with ibuprofen reduces levels of prostacyclin and thromboxane and decreases fever, tachycardia, oxygen consumption, and lactic acidosis, but it does not prevent the development of shock or the acute respiratory distress syndrome and does not improve survival.
Objective
To demonstrate the feasibility of a placebo-controlled trial of antipsychotics for delirium in the intensive care unit (ICU) and to test the hypothesis that antipsychotics would improve days alive without delirium or coma.
Design
Randomized, double-blind, placebo-controlled trial.
Setting
Six tertiary care medical centers in the United States.
Patients
101 mechanically ventilated medical and surgical ICU patients.
Intervention
Patients were randomly assigned to receive haloperidol or ziprasidone or placebo every 6 hours for up to 14 days. Frequency of administration was adjusted twice daily according to delirium status, level of sedation, and side effects.
Measurements and Main Outcomes
The primary end point was the number of days patients were alive without delirium or coma. During the 21-day study period, patients in the haloperidol group spent a similar number days alive without delirium or coma (median [IQR], 14.0 [6.0–18.0] days) as did patients in the ziprasidone (15.0 [9.1–18.0] days) and placebo groups (12.5 [1.2–17.2] days) (p = 0.66). No differences were found in secondary clinical outcomes, including ventilator-free days (p = 0.25), hospital length of stay (p = 0.68), and mortality (p = 0.81). Ten (29%) patients in the haloperidol group reported symptoms consistent with akathisia, compared with 6 (20%) patients in the ziprasidone group and 7 (19%) patients in the placebo group (p = 0.60), and a global measure of extrapyramidal symptoms was similar between treatment groups (p = 0.46).
Conclusions
A randomized, placebo-controlled trial of antipsychotics for delirium in mechanically ventilated ICU patients is feasible. Treatment with antipsychotics in this limited pilot trial did not improve the number of days alive without delirium or coma nor did it increase adverse outcomes. Thus, a large trial is needed to determine whether use of antipsychotics for ICU delirium is appropriate.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.