Trial Outcomes & Findings for Croup Dosing Study (NCT NCT06272383)

NCT ID: NCT06272383

Last Updated: 2025-09-08

Results Overview

Return visits or readmissions to the hospital within 7 days following initial presentation to the ED with croup.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

50 participants

Primary outcome timeframe

Seven days following initial presentation to the ED with croup.

Results posted on

2025-09-08

Participant Flow

Participant milestones

Participant milestones
Measure
0.15mg/kg Dexamethasone
Treatment with one dose of oral dexamethasone (0.15 mg/kg per dose; maximum single dose 3 mg) 0.15 mg/kg dexamethasone: 25% less than the standard practice of dexamethasone at 0.6mg/kg
Standard Practice of 0.6mg/kg Dexamethasone
Treatment with one dose of oral dexamethasone (0.6 mg/kg per dose; maximum single dose 12 mg) 0.15 mg/kg dexamethasone: 25% less than the standard practice of dexamethasone at 0.6mg/kg
Overall Study
STARTED
25
25
Overall Study
COMPLETED
19
21
Overall Study
NOT COMPLETED
6
4

Reasons for withdrawal

Reasons for withdrawal
Measure
0.15mg/kg Dexamethasone
Treatment with one dose of oral dexamethasone (0.15 mg/kg per dose; maximum single dose 3 mg) 0.15 mg/kg dexamethasone: 25% less than the standard practice of dexamethasone at 0.6mg/kg
Standard Practice of 0.6mg/kg Dexamethasone
Treatment with one dose of oral dexamethasone (0.6 mg/kg per dose; maximum single dose 12 mg) 0.15 mg/kg dexamethasone: 25% less than the standard practice of dexamethasone at 0.6mg/kg
Overall Study
The investigational drugs were going to expire and to use the pilot data for the definitive trial
6
4

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
0.15mg/kg Dexamethasone
n=19 Participants
Treatment with one dose of oral dexamethasone (0.15 mg/kg per dose; maximum single dose 3 mg) 0.15 mg/kg dexamethasone: 25% less than the standard practice of dexamethasone at 0.6mg/kg
Standard Practice of 0.6mg/kg Dexamethasone
n=21 Participants
Treatment with one dose of oral dexamethasone (0.6 mg/kg per dose; maximum single dose 12 mg) 0.15 mg/kg dexamethasone: 25% less than the standard practice of dexamethasone at 0.6mg/kg
Total
n=40 Participants
Total of all reporting groups
Age, Categorical
<=18 years
19 Participants
n=19 Participants
21 Participants
n=21 Participants
40 Participants
n=40 Participants
Age, Categorical
Between 18 and 65 years
NA Participants
n=19 Participants
NA Participants
n=21 Participants
NA Participants
n=40 Participants
Age, Categorical
>=65 years
NA Participants
n=19 Participants
NA Participants
n=21 Participants
NA Participants
n=40 Participants
Sex: Female, Male
Female
7 Participants
n=19 Participants
9 Participants
n=21 Participants
16 Participants
n=40 Participants
Sex: Female, Male
Male
12 Participants
n=19 Participants
12 Participants
n=21 Participants
24 Participants
n=40 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
weight (Kg)
13.17 Kg
n=19 Participants
13.69 Kg
n=21 Participants
13.45 Kg
n=40 Participants
croup severity
Mild croup
16 participants
n=19 Participants
16 participants
n=21 Participants
32 participants
n=40 Participants
croup severity
Moderate croup
3 participants
n=19 Participants
4 participants
n=21 Participants
7 participants
n=40 Participants
croup severity
Severe croup
0 participants
n=19 Participants
1 participants
n=21 Participants
1 participants
n=40 Participants

PRIMARY outcome

Timeframe: Seven days following initial presentation to the ED with croup.

Return visits or readmissions to the hospital within 7 days following initial presentation to the ED with croup.

Outcome measures

Outcome measures
Measure
0.15mg/kg Dexamethasone
n=19 Participants
Treatment with one dose of oral dexamethasone (0.15 mg/kg per dose; maximum single dose 3 mg) 0.15 mg/kg dexamethasone: 25% less than the standard practice of dexamethasone at 0.6mg/kg
Standard Practice of 0.6mg/kg Dexamethasone
n=21 Participants
Treatment with one dose of oral dexamethasone (0.6 mg/kg per dose; maximum single dose 12 mg) 0.15 mg/kg dexamethasone: 25% less than the standard practice of dexamethasone at 0.6mg/kg
Return Visits or Readmissions to the Hospital
0 participants
2 participants

SECONDARY outcome

Timeframe: within 7 and 30 days of treatment.

Adverse events following treatment with either of the 2 doses of dexamethasone. AEs: Disseminated varicella, gastrointestinal bleeding, unspecified bleeding, pneumonia, sepsis, febrile convulsion, bacteria tracheitis, tachycardia/fast heartbeat, and restlessness.

Outcome measures

Outcome measures
Measure
0.15mg/kg Dexamethasone
n=19 Participants
Treatment with one dose of oral dexamethasone (0.15 mg/kg per dose; maximum single dose 3 mg) 0.15 mg/kg dexamethasone: 25% less than the standard practice of dexamethasone at 0.6mg/kg
Standard Practice of 0.6mg/kg Dexamethasone
n=21 Participants
Treatment with one dose of oral dexamethasone (0.6 mg/kg per dose; maximum single dose 12 mg) 0.15 mg/kg dexamethasone: 25% less than the standard practice of dexamethasone at 0.6mg/kg
Adverse Events
0 participants
0 participants

Adverse Events

0.15mg/kg Dexamethasone

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

Standard Practice of 0.6mg/kg Dexamethasone

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr Alex Aregbesola

University of Manitoba

Phone: 2047893957

Results disclosure agreements

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