Trial Outcomes & Findings for Olanzapine for Acute Headaches (NCT NCT03066622)

NCT ID: NCT03066622

Last Updated: 2022-01-12

Results Overview

Change in patient reported pain score from baseline using the Numeric Pain Rating Scale (PNRS) Minimum score = 0 Maximum score = 10 Lower score indicates lower pain level, with zero indicating no pain and 10 indicating the worst pain imaginable.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

122 participants

Primary outcome timeframe

baseline, 30, 60, and 90 minutes post drug administration

Results posted on

2022-01-12

Participant Flow

Participant milestones

Participant milestones
Measure
Standard of Care
Standard of Care medication for treatment of headache as per attending physician: Patients are randomized to standard of care medication (as determined by attending physician)
Olanzapine
oral rapidly dissolving olanzapine (Zydis) 5 mg for analgesia in acute primary headaches. 5mg rapidly dissolving olanzapine: 5mg rapidly dissolving olanzapine
Overall Study
STARTED
61
61
Overall Study
COMPLETED
35
35
Overall Study
NOT COMPLETED
26
26

Reasons for withdrawal

Reasons for withdrawal
Measure
Standard of Care
Standard of Care medication for treatment of headache as per attending physician: Patients are randomized to standard of care medication (as determined by attending physician)
Olanzapine
oral rapidly dissolving olanzapine (Zydis) 5 mg for analgesia in acute primary headaches. 5mg rapidly dissolving olanzapine: 5mg rapidly dissolving olanzapine
Overall Study
Lost to Follow-up
24
25
Overall Study
Withdrawal by Subject
2
1

Baseline Characteristics

Olanzapine for Acute Headaches

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Standard of Care
n=60 Participants
Standard of Care medication for treatment of headache as per attending physician: Patients are randomized to standard of care medication (as determined by attending physician)
Olanzapine
n=59 Participants
oral rapidly dissolving olanzapine (Zydis) 5 mg for analgesia in acute primary headaches. 5mg rapidly dissolving olanzapine: 5mg rapidly dissolving olanzapine
Total
n=119 Participants
Total of all reporting groups
Age, Continuous
34.3 years
STANDARD_DEVIATION 11.2 • n=5 Participants
34.2 years
STANDARD_DEVIATION 10.5 • n=7 Participants
34.2 years
STANDARD_DEVIATION 10.8 • n=5 Participants
Sex: Female, Male
Female
47 Participants
n=5 Participants
42 Participants
n=7 Participants
89 Participants
n=5 Participants
Sex: Female, Male
Male
13 Participants
n=5 Participants
17 Participants
n=7 Participants
30 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
3 Participants
n=5 Participants
6 Participants
n=7 Participants
9 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
57 Participants
n=5 Participants
53 Participants
n=7 Participants
110 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Asian
2 Participants
n=5 Participants
2 Participants
n=7 Participants
4 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
27 Participants
n=5 Participants
22 Participants
n=7 Participants
49 Participants
n=5 Participants
Race (NIH/OMB)
White
29 Participants
n=5 Participants
28 Participants
n=7 Participants
57 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
2 Participants
n=5 Participants
6 Participants
n=7 Participants
8 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
60 participants
n=5 Participants
59 participants
n=7 Participants
119 participants
n=5 Participants

PRIMARY outcome

Timeframe: baseline, 30, 60, and 90 minutes post drug administration

Population: Not all participants were assessed at each time point due to some being discharged from the Emergency Department prior to study data collection time points.

Change in patient reported pain score from baseline using the Numeric Pain Rating Scale (PNRS) Minimum score = 0 Maximum score = 10 Lower score indicates lower pain level, with zero indicating no pain and 10 indicating the worst pain imaginable.

Outcome measures

Outcome measures
Measure
Standard of Care
n=58 Participants
Standard of Care medication for treatment of headache as per attending physician: Patients are randomized to standard of care medication (as determined by attending physician)
Olanzapine
n=56 Participants
oral rapidly dissolving olanzapine (Zydis) 5 mg for analgesia in acute primary headaches. 5mg rapidly dissolving olanzapine: 5mg rapidly dissolving olanzapine
Change in Pain Scores Based on Patient Questionnaire
Pain at 30 minutes
-2.95 units on a scale of 1-10
Standard Deviation 2.5
-1.79 units on a scale of 1-10
Standard Deviation 1.83
Change in Pain Scores Based on Patient Questionnaire
Pain at 60 minutes
-4.49 units on a scale of 1-10
Standard Deviation 2.95
-2.65 units on a scale of 1-10
Standard Deviation 2.36
Change in Pain Scores Based on Patient Questionnaire
Pain at 90 minutes
-4.68 units on a scale of 1-10
Standard Deviation 2.64
-3.88 units on a scale of 1-10
Standard Deviation 2.79

SECONDARY outcome

Timeframe: Length of Emergency Department stay (Time Frame: up to 12 hours)

Population: Data was only available for 60 subjects in the standard of care arm and 58 subjects in the olanzapine arm.

The total time the patient spent in the ED after initially being seen by the physician

Outcome measures

Outcome measures
Measure
Standard of Care
n=60 Participants
Standard of Care medication for treatment of headache as per attending physician: Patients are randomized to standard of care medication (as determined by attending physician)
Olanzapine
n=58 Participants
oral rapidly dissolving olanzapine (Zydis) 5 mg for analgesia in acute primary headaches. 5mg rapidly dissolving olanzapine: 5mg rapidly dissolving olanzapine
Comparison of Duration of ED Length of Stay
179.57 Minutes
Standard Deviation 83.67
180.28 Minutes
Standard Deviation 78.60

SECONDARY outcome

Timeframe: Length of Emergency Department stay (Time Frame: up to 12 hours)

Population: Subjects consenting to participate in the study through time of ED discharge with complete data.

Determining if patients randomized to rapidly dissolving Olanzapine eventually require IV access, defined as A successful cannulation (blood return or ability to infuse intravenous fluid without infiltration) on initial percutaneous needle puncture

Outcome measures

Outcome measures
Measure
Standard of Care
n=60 Participants
Standard of Care medication for treatment of headache as per attending physician: Patients are randomized to standard of care medication (as determined by attending physician)
Olanzapine
n=58 Participants
oral rapidly dissolving olanzapine (Zydis) 5 mg for analgesia in acute primary headaches. 5mg rapidly dissolving olanzapine: 5mg rapidly dissolving olanzapine
Number of Participants That Receive Peripheral Intravenous Catheterization
55 Participants
28 Participants

Adverse Events

Standard of Care

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

Olanzapine

Serious events: 0 serious events
Other events: 11 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Standard of Care
n=60 participants at risk
Standard of Care medication for treatment of headache as per attending physician: Patients are randomized to standard of care medication (as determined by attending physician)
Olanzapine
n=59 participants at risk
oral rapidly dissolving olanzapine (Zydis) 5 mg for analgesia in acute primary headaches. 5mg rapidly dissolving olanzapine: 5mg rapidly dissolving olanzapine
General disorders
Dizziness, lightheadedness
6.7%
4/60 • Number of events 4 • Adverse event data were collected until completion of the 48 hour follow-up phone call (24-72 hours following enrollment).
3.4%
2/59 • Number of events 2 • Adverse event data were collected until completion of the 48 hour follow-up phone call (24-72 hours following enrollment).
General disorders
Drowsiness
3.3%
2/60 • Number of events 2 • Adverse event data were collected until completion of the 48 hour follow-up phone call (24-72 hours following enrollment).
10.2%
6/59 • Number of events 6 • Adverse event data were collected until completion of the 48 hour follow-up phone call (24-72 hours following enrollment).
Gastrointestinal disorders
Nausea
3.3%
2/60 • Number of events 2 • Adverse event data were collected until completion of the 48 hour follow-up phone call (24-72 hours following enrollment).
1.7%
1/59 • Number of events 1 • Adverse event data were collected until completion of the 48 hour follow-up phone call (24-72 hours following enrollment).
Injury, poisoning and procedural complications
Burning sensation at IV site
3.3%
2/60 • Number of events 2 • Adverse event data were collected until completion of the 48 hour follow-up phone call (24-72 hours following enrollment).
0.00%
0/59 • Adverse event data were collected until completion of the 48 hour follow-up phone call (24-72 hours following enrollment).
Ear and labyrinth disorders
Ringing in ears
0.00%
0/60 • Adverse event data were collected until completion of the 48 hour follow-up phone call (24-72 hours following enrollment).
1.7%
1/59 • Number of events 1 • Adverse event data were collected until completion of the 48 hour follow-up phone call (24-72 hours following enrollment).
General disorders
Jittery feeling
3.3%
2/60 • Number of events 2 • Adverse event data were collected until completion of the 48 hour follow-up phone call (24-72 hours following enrollment).
1.7%
1/59 • Number of events 1 • Adverse event data were collected until completion of the 48 hour follow-up phone call (24-72 hours following enrollment).

Additional Information

Meghan O'Brien

Regions Hospital

Phone: 651-254-5303

Results disclosure agreements

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