Trial Outcomes & Findings for Perioperative Cognitive Function - Dexmedetomidine and Cognitive Reserve (NCT NCT00561678)

NCT ID: NCT00561678

Last Updated: 2018-04-23

Results Overview

Number of Participants with occurrence of Post-Operative Delirium in Post-Anesthesia Care Unit (PACU)

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

404 participants

Primary outcome timeframe

Day 1

Results posted on

2018-04-23

Participant Flow

Trial was conducted at 10 sites from February 2008 to May 2014. The lead site was The Mount Sinai Hospital in New York City.

Participant milestones

Participant milestones
Measure
Precedex
Precedex (Dexmedetomidine) 0.5/ug/kg/hr
Placebo
Placebo - normal saline 0.5/ug/kg/hr
Overall Study
STARTED
197
207
Overall Study
COMPLETED
189
201
Overall Study
NOT COMPLETED
8
6

Reasons for withdrawal

Reasons for withdrawal
Measure
Precedex
Precedex (Dexmedetomidine) 0.5/ug/kg/hr
Placebo
Placebo - normal saline 0.5/ug/kg/hr
Overall Study
Withdrawal by Subject
4
3
Overall Study
surgery cancelled
1
1
Overall Study
surgery rescheduled to different site
2
2
Overall Study
anesthesia provider refusal
1
0

Baseline Characteristics

Perioperative Cognitive Function - Dexmedetomidine and Cognitive Reserve

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Precedex
n=189 Participants
Precedex (Dexmedetomidine) 0.5/ug/kg/hr
Placebo
n=201 Participants
Placebo - normal saline 0.5/ug/kg/hr
Total
n=390 Participants
Total of all reporting groups
Age, Continuous
74.0 years
n=5 Participants
74.0 years
n=7 Participants
74.0 years
n=5 Participants
Sex: Female, Male
Female
97 Participants
n=5 Participants
103 Participants
n=7 Participants
200 Participants
n=5 Participants
Sex: Female, Male
Male
92 Participants
n=5 Participants
98 Participants
n=7 Participants
190 Participants
n=5 Participants
Education
16.0 years
n=5 Participants
15.0 years
n=7 Participants
16.0 years
n=5 Participants
Body Mass Index (BMI)
28.1 kg/m^2
n=5 Participants
27.7 kg/m^2
n=7 Participants
28.0 kg/m^2
n=5 Participants
Anesthesia Time
252.0 minutes
n=5 Participants
254.0 minutes
n=7 Participants
253.0 minutes
n=5 Participants
Surgical Time
174.0 minutes
n=5 Participants
180.0 minutes
n=7 Participants
177.0 minutes
n=5 Participants
Mild Cognitive Impairment (MCI)
124 Participants
n=5 Participants
122 Participants
n=7 Participants
246 Participants
n=5 Participants
ASA Status
1 or 2
73 Participants
n=5 Participants
63 Participants
n=7 Participants
136 Participants
n=5 Participants
ASA Status
3
108 Participants
n=5 Participants
133 Participants
n=7 Participants
241 Participants
n=5 Participants
ASA Status
4
8 Participants
n=5 Participants
5 Participants
n=7 Participants
13 Participants
n=5 Participants
Coronary Artery Disease (CAD)
14 Participants
n=5 Participants
18 Participants
n=7 Participants
32 Participants
n=5 Participants
Hypertension (HTN)
124 Participants
n=5 Participants
116 Participants
n=7 Participants
240 Participants
n=5 Participants
Congestive Heart Failure (CHF)
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Diabetes (DM)
39 Participants
n=5 Participants
40 Participants
n=7 Participants
79 Participants
n=5 Participants
Cancer (CA)
81 Participants
n=5 Participants
77 Participants
n=7 Participants
158 Participants
n=5 Participants
Surgical Procedure
Spine
70 Participants
n=5 Participants
77 Participants
n=7 Participants
147 Participants
n=5 Participants
Surgical Procedure
Thoracic
5 Participants
n=5 Participants
6 Participants
n=7 Participants
11 Participants
n=5 Participants
Surgical Procedure
Orthopedic
54 Participants
n=5 Participants
36 Participants
n=7 Participants
90 Participants
n=5 Participants
Surgical Procedure
Urologic
20 Participants
n=5 Participants
29 Participants
n=7 Participants
49 Participants
n=5 Participants
Surgical Procedure
General
40 Participants
n=5 Participants
53 Participants
n=7 Participants
93 Participants
n=5 Participants
Dosage of Fentanyl used prior to this study
250.0 µg/h
n=5 Participants
250.0 µg/h
n=7 Participants
250.0 µg/h
n=5 Participants
Propofol
170.0 mg/kg
n=5 Participants
160.0 mg/kg
n=7 Participants
165.0 mg/kg
n=5 Participants

PRIMARY outcome

Timeframe: Day 1

Number of Participants with occurrence of Post-Operative Delirium in Post-Anesthesia Care Unit (PACU)

Outcome measures

Outcome measures
Measure
Precedex
n=189 Participants
Precedex (Dexmedetomidine) 0.5/ug/kg/hr
Placebo
n=201 Participants
Placebo - normal saline 0.5/ug/kg/hr
Delirium Battery
Postoperative Delirium
23 Participants
23 Participants
Delirium Battery
None
155 Participants
166 Participants
Delirium Battery
PACU Delirium
6 Participants
8 Participants
Delirium Battery
Both
5 Participants
4 Participants

SECONDARY outcome

Timeframe: at 3 months postoperatively

Rate of change of cognitive function - data not collected because secondary analysis which was not performed

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: day 1

Number of participants with intraoperative bradycardia

Outcome measures

Outcome measures
Measure
Precedex
n=189 Participants
Precedex (Dexmedetomidine) 0.5/ug/kg/hr
Placebo
n=201 Participants
Placebo - normal saline 0.5/ug/kg/hr
Intraoperative Bradycardia
Requiring treatment
35 Participants
20 Participants
Intraoperative Bradycardia
Requiring interruption of the drug
2 Participants
2 Participants
Intraoperative Bradycardia
Resolved spontaneously
45 Participants
42 Participants
Intraoperative Bradycardia
Did not occur
107 Participants
137 Participants

SECONDARY outcome

Timeframe: day 1

Number of participants with intraoperative hypotension

Outcome measures

Outcome measures
Measure
Precedex
n=189 Participants
Precedex (Dexmedetomidine) 0.5/ug/kg/hr
Placebo
n=201 Participants
Placebo - normal saline 0.5/ug/kg/hr
Intraoperative Hypotension
Requiring Treatment
81 Participants
69 Participants
Intraoperative Hypotension
Requiring interruption of the drug
3 Participants
5 Participants
Intraoperative Hypotension
Resolved Spontaneously
18 Participants
21 Participants
Intraoperative Hypotension
Did not occur
87 Participants
106 Participants

SECONDARY outcome

Timeframe: day 1

Number of participants with intraoperative hypertension

Outcome measures

Outcome measures
Measure
Precedex
n=189 Participants
Precedex (Dexmedetomidine) 0.5/ug/kg/hr
Placebo
n=201 Participants
Placebo - normal saline 0.5/ug/kg/hr
Intraoperative Hypertension
Requiring treatment
26 Participants
36 Participants
Intraoperative Hypertension
Requiring interruption of the drug
0 Participants
1 Participants
Intraoperative Hypertension
Resolved spontaneoulsy
17 Participants
30 Participants
Intraoperative Hypertension
Did not occur
146 Participants
134 Participants

SECONDARY outcome

Timeframe: average 4 days

Length of Stay (LOS) in the hospital

Outcome measures

Outcome measures
Measure
Precedex
n=189 Participants
Precedex (Dexmedetomidine) 0.5/ug/kg/hr
Placebo
n=201 Participants
Placebo - normal saline 0.5/ug/kg/hr
Length of Stay
4.0 days
Interval 3.0 to 6.0
4.0 days
Interval 3.0 to 6.0

Adverse Events

Precedex

Serious events: 12 serious events
Other events: 0 other events
Deaths: 1 deaths

Placebo

Serious events: 9 serious events
Other events: 0 other events
Deaths: 3 deaths

Serious adverse events

Serious adverse events
Measure
Precedex
n=189 participants at risk
Precedex (Dexmedetomidine) 0.5/ug/kg/hr
Placebo
n=201 participants at risk
Placebo - normal saline 0.5/ug/kg/hr
Cardiac disorders
Myocardial Infarction
0.53%
1/189
0.00%
0/201
Cardiac disorders
Unstable Angina
0.53%
1/189
0.00%
0/201
Cardiac disorders
New Arrhythmia
1.1%
2/189
2.0%
4/201
Respiratory, thoracic and mediastinal disorders
Pulmonary Edema
0.53%
1/189
0.00%
0/201
Cardiac disorders
Heart Failure
0.53%
1/189
0.50%
1/201
Respiratory, thoracic and mediastinal disorders
Respiratory Failure
1.1%
2/189
0.50%
1/201
Respiratory, thoracic and mediastinal disorders
Penumonia
1.6%
3/189
0.50%
1/201
Vascular disorders
Stroke
0.00%
0/189
0.50%
1/201
Vascular disorders
Venous Thrombosis
1.1%
2/189
1.00%
2/201
Vascular disorders
Pulmonary Embolus
0.53%
1/189
0.50%
1/201
Renal and urinary disorders
Renal Failure
0.00%
0/189
0.00%
0/201
Gastrointestinal disorders
GI Bleed
0.53%
1/189
0.50%
1/201
Infections and infestations
Other Infection
5.3%
10/189
1.00%
2/201
General disorders
Death
0.00%
0/189
0.50%
1/201

Other adverse events

Adverse event data not reported

Additional Information

Dr. Stacie Deiner

Icahn School of Medicine at Mount Sinai

Phone: 212-241-7749

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place