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Early pharmacological intervention to prevent delirium: HAlopeRidol PrOphylaxis in Older emergency department patieNts. The HARPOON study

Completed
Conditions
acute state of confusion
delier
Delirium
10012221
Registration Number
NL-OMON39657
Lead Sponsor
Vrije Universiteit Medisch Centrum
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
Not specified
Target Recruitment
780
Inclusion Criteria

- Patients aged 70 years or over;
- The patient is at increased risk for developing in-hospital delirium on admission according to one or more positive answers on the VMS delirium-risk questions;
- The patient or proxy is able to provide written informed consent;
- The patient or proxy speaks either Dutch or English;
- The patient is admitted to the hospital for an internal or surgical specialty.

Exclusion Criteria

- Patients presenting in the ED with delirium according to the DSM-IV criteria;
- Patients with clinically significant (cardiac) disorders: QTc interval prolongation (QTc * 500ms), recent acute myocardial infarction, uncompensated heart failure (working diagnosis), acute coronary syndrome (ACS), arrhythmias treated with class IA and III antiarrhythmic medicinal products, history of ventricular arrhythmia, history of torsade de pointes, clinically significant bradycardia, second or third degree heart block, uncorrected hypokalaemia (potassium level 3.0 or lower);
- Patients with vascular dementia;
- Patients with Lewy Body dementia;
- Patients with Parkinson (dementia);
- Patients with (a history of) hypokinetic movement disorders;
- Patients with (a history of) malignant neuroleptic syndrome;
- Patients with (a history of) serotonergic syndrome;
- Patients with (a history of) central anticholinergic syndrome;
- Patients who will be admitted to the oncology ward;
- Patients who have been previously enrolled in the HARPOON study, or are currently enrolled in other medical- or drug (intervention) studies;
- Patients using co-medication of which concomitant use with haloperidol and/or during the 7-day intervention period according to protocol (SOP comedication) is contraindicated. Patients using QTc prolonging drugs at presentation with QTc *450ms (men) / QTc *460ms (women) on baseline ECG may be included in the study with repetitive ECG control according to protocol;
- Epilepsy
- Substance abuse and dependence (DSM-IV criteria)
- Patients who are not able to take study medication according to the protocol.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
<p>An absolute reduction of delirium incidence of 10%.<br /><br>An absolute reduction of delirium duration (according to the DOS score,<br /><br>positive mean DOS score >3/24 uur indicated delirium).<br /><br>Less severe delirium in haloperidol intervention group (according to the<br /><br>gliding scale: DRS-R-98 score, >16 out of the total score of 39)</p><br>
Secondary Outcome Measures
NameTimeMethod
<p>A reduction of mean hospital length of stay.<br /><br>A reduction in 6-month mortality of 5%.</p><br>
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