Viewing Study NCT01404767



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Last Modification Date: 2024-10-26 @ 10:38 AM
Study NCT ID: NCT01404767
Status: TERMINATED
Last Update Posted: 2015-04-21
First Post: 2011-06-21

Brief Title: Tight Hemodynamic Control in Patients Who Are Chronically on Metoprolol
Sponsor: University Health Network Toronto
Organization: University Health Network Toronto

Study Overview

Official Title: Tight Hemodynamic Control in Patients Who Are Chronically on Metoprolol A Study Comparing the Post Op Continuation of the Preoperative Oral Dose Beta Blockers to Intravenous Esmolol Titrated to a Target Heart Rate HR
Status: TERMINATED
Status Verified Date: 2015-04
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Enrollment slow over 2 years a change in the population less on metoprolol than initially anticipated
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief Summary: This study proposes to assess the effect of the standard of care which is continuation of the pre op beta blocker dose into the post operative period compared to the administration of esmolol titrated to a pre determined target HR The primary outcome will compare postoperative plasma levels of metoprolol in 2 cohorts in a group who has been continued on metoprolol administrated via a nasogastric tube in NPO patients to a group who has been withdrawn from metoprolol but given an esmolol infusion titrated to HR Secondary outcomes will compare a the hemodynamic responses documenting the incidence of unplanned hypotension and bradycardia and b to compare the effects of Heart rate to the incidence of myocardial ischemia arrhythmias delirium and infarction
Detailed Description: The number of high-risk patients undergoing non-cardiac surgery has increased continuously over the last two decades There is a paucity of data exist about the bioavailability of postoperative administrated beta-blockers One study reported adequate plasma levels of Propanolol after administration via nasogastric tube but not after oral administration in patient undergoing thyroid surgeryThus it is possible that patients maintained on oral beta blockers may in fact be experiencing a withdrawal syndrome Because of the importance of avoiding withdrawal of beta blockers intravenous administration may be the only alternative in cases where oral administration fails to achieve adequate plasma levels perioperatively Furthermore due to changes in pharmacodynamics intravenous dosage may be the optimal way to achieve tight hemodynamic control There is however no data on the post-operative hemodynamic effects of orally administered beta blockers in patients on chronic beta blockers

Study Oversight

Has Oversight DMC: None
Is a FDA Regulated Drug?: None
Is a FDA Regulated Device?: None
Is an Unapproved Device?: None
Is a PPSD?: None
Is a US Export?: None
Is an FDA AA801 Violation?: None