Trial Outcomes & Findings for Sub-dissociative Dose Ketamine Dosing Study (NCT NCT03714620)

NCT ID: NCT03714620

Last Updated: 2022-08-09

Results Overview

Change in numerical pain score (NRS) from time 0 to time 30 min. The NRS ranges from 0 to 10 with higher scores indicating more pain.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

98 participants

Primary outcome timeframe

30 minutes

Results posted on

2022-08-09

Participant Flow

Participant milestones

Participant milestones
Measure
Low Dose Group
0.15 mg/kg dose of intravenous ketamine
High Dose Group
0.3 mg/kg dose of intravenous ketamine
Overall Study
STARTED
49
49
Overall Study
COMPLETED
49
49
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Sub-dissociative Dose Ketamine Dosing Study

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
0.15 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
0.3 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
Total
n=98 Participants
Total of all reporting groups
Age, Continuous
39 years
n=5 Participants
37 years
n=7 Participants
38 years
n=5 Participants
Sex: Female, Male
Female
30 Participants
n=5 Participants
27 Participants
n=7 Participants
57 Participants
n=5 Participants
Sex: Female, Male
Male
19 Participants
n=5 Participants
22 Participants
n=7 Participants
41 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · African American
15 Participants
n=5 Participants
13 Participants
n=7 Participants
28 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · White
18 Participants
n=5 Participants
28 Participants
n=7 Participants
46 Participants
n=5 Participants
Race/Ethnicity, Customized
Race · Other
16 Participants
n=5 Participants
8 Participants
n=7 Participants
24 Participants
n=5 Participants
Region of Enrollment
United States
49 Participants
n=5 Participants
49 Participants
n=7 Participants
98 Participants
n=5 Participants
Co-morbidities
Diabetes
13 participants
n=5 Participants
3 participants
n=7 Participants
16 participants
n=5 Participants
Co-morbidities
Hypertension
13 participants
n=5 Participants
8 participants
n=7 Participants
21 participants
n=5 Participants
Co-morbidities
Cancer
1 participants
n=5 Participants
1 participants
n=7 Participants
2 participants
n=5 Participants
Co-morbidities
Anxiety
1 participants
n=5 Participants
7 participants
n=7 Participants
8 participants
n=5 Participants
Co-morbidities
Heart Failure
2 participants
n=5 Participants
1 participants
n=7 Participants
3 participants
n=5 Participants
Co-morbidities
Depression
3 participants
n=5 Participants
10 participants
n=7 Participants
13 participants
n=5 Participants
Co-morbidities
Obesity
11 participants
n=5 Participants
9 participants
n=7 Participants
20 participants
n=5 Participants
Weight
85 kilograms
n=5 Participants
84 kilograms
n=7 Participants
84 kilograms
n=5 Participants
Type of Pain
Flank
6 Participants
n=5 Participants
4 Participants
n=7 Participants
10 Participants
n=5 Participants
Type of Pain
Back
4 Participants
n=5 Participants
2 Participants
n=7 Participants
6 Participants
n=5 Participants
Type of Pain
Musculoskeletal
14 Participants
n=5 Participants
16 Participants
n=7 Participants
30 Participants
n=5 Participants
Type of Pain
Headache
2 Participants
n=5 Participants
4 Participants
n=7 Participants
6 Participants
n=5 Participants
Type of Pain
Abdominal
23 Participants
n=5 Participants
23 Participants
n=7 Participants
46 Participants
n=5 Participants
Duration of Pain
<24 hours
21 Participants
n=5 Participants
28 Participants
n=7 Participants
49 Participants
n=5 Participants
Duration of Pain
2 days
9 Participants
n=5 Participants
9 Participants
n=7 Participants
18 Participants
n=5 Participants
Duration of Pain
3-7 days
19 Participants
n=5 Participants
12 Participants
n=7 Participants
31 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 30 minutes

Change in numerical pain score (NRS) from time 0 to time 30 min. The NRS ranges from 0 to 10 with higher scores indicating more pain.

Outcome measures

Outcome measures
Measure
0.15 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
0.3 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
Change in Pain Score From Baseline to 30 Minutes Post Initiation of Drug Administration
3.8 score on a scale
Interval 3.0 to 4.7
3.5 score on a scale
Interval 2.7 to 4.3

SECONDARY outcome

Timeframe: 15 minutes

Change in numerical pain score (NRS) from time 0 to time 15 min. The NRS ranges from 0 to 10 with higher scores indicating more pain.

Outcome measures

Outcome measures
Measure
0.15 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
0.3 mg/kg IV Ketamine
n=48 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
Change in Pain Score From Baseline to 15 Minutes
3.6 score on a scale
Interval 2.7 to 4.4
4.8 score on a scale
Interval 4.0 to 5.6

SECONDARY outcome

Timeframe: 60 minutes

Change in numerical pain score (NRS) from time 0 to time 60 min. The NRS ranges from 0 to 10 with higher scores indicating more pain.

Outcome measures

Outcome measures
Measure
0.15 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
0.3 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
Change in Pain Score From Baseline to 60 Minutes
3.7 score on a scale
Interval 2.9 to 4.6
3.5 score on a scale
Interval 2.6 to 4.4

SECONDARY outcome

Timeframe: 30 minutes

Patient request for additional pain medications at 30 minutes post initiation of drug administration

Outcome measures

Outcome measures
Measure
0.15 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
0.3 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
Number of Participants Who Need Additional Pain Medication at 30 Minutes
1 Participants
0 Participants

SECONDARY outcome

Timeframe: 60 minutes

Patient request for additional pain medications at 60 minutes

Outcome measures

Outcome measures
Measure
0.15 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
0.3 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
Number of Patients Who Need Rescue Medications at 60 Minutes
2 Participants
4 Participants

SECONDARY outcome

Timeframe: 30 minutes

Patients were asked if they had any adverse effects at 30 minutes including nausea, dizziness, headache, hallucinations, etc.

Outcome measures

Outcome measures
Measure
0.15 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
0.3 mg/kg IV Ketamine
n=49 Participants
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
Adverse Effects at 30 Min
Discomfort
15 participants
21 participants
Adverse Effects at 30 Min
Fatigue
18 participants
20 participants
Adverse Effects at 30 Min
Dizziness
21 participants
16 participants
Adverse Effects at 30 Min
Headache
16 participants
11 participants
Adverse Effects at 30 Min
Feeling of Unreality
8 participants
6 participants
Adverse Effects at 30 Min
Hearing Changes
0 participants
2 participants
Adverse Effects at 30 Min
Vision Changes
4 participants
6 participants
Adverse Effects at 30 Min
Mood Alteration
4 participants
6 participants
Adverse Effects at 30 Min
Hallucinations
2 participants
3 participants

Adverse Events

0.15 mg/kg IV Ketamine

Serious events: 0 serious events
Other events: 28 other events
Deaths: 0 deaths

0.3 mg/kg IV Ketamine

Serious events: 0 serious events
Other events: 31 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
0.15 mg/kg IV Ketamine
n=49 participants at risk
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
0.3 mg/kg IV Ketamine
n=49 participants at risk
Ketamine: Ketamine 0.15 mg/kg vs. 0.3 mg/kg IVPB over 15 minutes
General disorders
Fatigue
36.7%
18/49 • Number of events 18 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
40.8%
20/49 • Number of events 20 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
Nervous system disorders
Dizziness
42.9%
21/49 • Number of events 21 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
32.7%
16/49 • Number of events 16 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
General disorders
Headache
32.7%
16/49 • Number of events 16 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
22.4%
11/49 • Number of events 11 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
General disorders
Feeling of Unreality
16.3%
8/49 • Number of events 8 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
12.2%
6/49 • Number of events 6 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
Ear and labyrinth disorders
Hearing Changes
0.00%
0/49 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
4.1%
2/49 • Number of events 2 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
Eye disorders
Vision Changes
8.2%
4/49 • Number of events 4 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
12.2%
6/49 • Number of events 6 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
Psychiatric disorders
Mood Alteration
8.2%
4/49 • Number of events 4 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
12.2%
6/49 • Number of events 6 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
General disorders
Discomfort
32.7%
16/49 • Number of events 16 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
42.9%
21/49 • Number of events 21 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
Psychiatric disorders
Hallucinations
4.1%
2/49 • Number of events 2 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.
6.1%
3/49 • Number of events 3 • 60 minutes
The reported adverse "effects" were considered known and anticipated with this drug regimen so very much anticipated and many very mild.

Additional Information

Shannon Lovett, MD, Associate Professor of Emergency Medicine

Trinity Health, Loyola University Medical Center, Stritch School of Medicine

Phone: 7082168705

Results disclosure agreements

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