Trial Outcomes & Findings for Plasmablast Trafficking and Antibody Response in Influenza Vaccination (SLVP021 2011-2014) (NCT NCT02141581)

NCT ID: NCT02141581

Last Updated: 2018-05-07

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

86 participants

Primary outcome timeframe

Baseline to Day 28

Results posted on

2018-05-07

Participant Flow

Participant milestones

Participant milestones
Measure
Group A Fluzone® (IM)
Participants in this group will be randomized to Fluzone® administered intramuscularly (IM)
Group B Fluzone® (ID)
Participants in this group will be randomized to Fluzone® administered intradermally (ID)
Group C FluMist®
Participants in this group will be randomized to FluMist® administered intranasally.
Overall Study
STARTED
42
19
25
Overall Study
COMPLETED
42
19
25
Overall Study
NOT COMPLETED
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Plasmablast Trafficking and Antibody Response in Influenza Vaccination (SLVP021 2011-2014)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Group A Fluzone® (IM)
n=42 Participants
Participants in this group will be randomized to Fluzone® administered intramuscularly (IM)
Group B Fluzone® (ID)
n=19 Participants
Participants in this group will be randomized to Fluzone® administered intradermally (ID)
Group C FluMist®
n=25 Participants
Participants in this group will be randomized to FluMist® administered intranasally.
Total
n=86 Participants
Total of all reporting groups
Age, Customized
Age 18-30 years
32 Participants
n=5 Participants
19 Participants
n=7 Participants
25 Participants
n=5 Participants
76 Participants
n=4 Participants
Age, Customized
Age 8-17 years
10 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
10 Participants
n=4 Participants
Sex: Female, Male
Female
25 Participants
n=5 Participants
9 Participants
n=7 Participants
15 Participants
n=5 Participants
49 Participants
n=4 Participants
Sex: Female, Male
Male
17 Participants
n=5 Participants
10 Participants
n=7 Participants
10 Participants
n=5 Participants
37 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
3 Participants
n=5 Participants
3 Participants
n=7 Participants
1 Participants
n=5 Participants
7 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
39 Participants
n=5 Participants
16 Participants
n=7 Participants
24 Participants
n=5 Participants
79 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
American Indian or Alaska Native
2 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
3 Participants
n=4 Participants
Race (NIH/OMB)
Asian
10 Participants
n=5 Participants
6 Participants
n=7 Participants
9 Participants
n=5 Participants
25 Participants
n=4 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
2 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
3 Participants
n=4 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
White
25 Participants
n=5 Participants
10 Participants
n=7 Participants
9 Participants
n=5 Participants
44 Participants
n=4 Participants
Race (NIH/OMB)
More than one race
2 Participants
n=5 Participants
1 Participants
n=7 Participants
6 Participants
n=5 Participants
9 Participants
n=4 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
1 Participants
n=7 Participants
0 Participants
n=5 Participants
2 Participants
n=4 Participants
Region of Enrollment
United States
42 Participants
n=5 Participants
19 Participants
n=7 Participants
25 Participants
n=5 Participants
86 Participants
n=4 Participants

PRIMARY outcome

Timeframe: Baseline to Day 28

Outcome measures

Outcome measures
Measure
Group A Fluzone® (IM)
n=42 Participants
Participants in this group will be randomized to Fluzone® administered intramuscularly (IM)
Group B Fluzone® (ID)
n=19 Participants
Participants in this group will be randomized to Fluzone® administered intradermally (ID)
Group C Flumist®
n=25 Participants
Participants in this group will be randomized to Flumist® administered intranasally.
Number of Participants From Each Arm Who Received Influenza Vaccine
42 Participants
19 Participants
25 Participants

SECONDARY outcome

Timeframe: Baseline to Day 28

Number of participants with Related Adverse Events with a 0% Frequency Threshold

Outcome measures

Outcome measures
Measure
Group A Fluzone® (IM)
n=42 Participants
Participants in this group will be randomized to Fluzone® administered intramuscularly (IM)
Group B Fluzone® (ID)
n=19 Participants
Participants in this group will be randomized to Fluzone® administered intradermally (ID)
Group C Flumist®
n=25 Participants
Participants in this group will be randomized to Flumist® administered intranasally.
Number of Participants With Related Adverse Events
Bronchospasm
1 Participants
0 Participants
0 Participants
Number of Participants With Related Adverse Events
Erythema at injection site
1 Participants
0 Participants
0 Participants
Number of Participants With Related Adverse Events
No Related Adverse Events
40 Participants
19 Participants
25 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline to Day 7

Outcome measures

Outcome data not reported

Adverse Events

Group A Fluzone® (IM)

Serious events: 1 serious events
Other events: 3 other events
Deaths: 0 deaths

Group B Fluzone® (ID)

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

Group C FluMist®

Serious events: 1 serious events
Other events: 2 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Group A Fluzone® (IM)
n=42 participants at risk
Participants in this group will be randomized to Fluzone® administered intramuscularly (IM)
Group B Fluzone® (ID)
n=19 participants at risk
Participants in this group will be randomized to Fluzone® administered intradermally (ID)
Group C FluMist®
n=25 participants at risk
Participants in this group will be randomized to FluMist® administered intranasally.
Psychiatric disorders
Panic Attack
0.00%
0/42
0.00%
0/19
4.0%
1/25 • Number of events 1
Psychiatric disorders
Depression
2.4%
1/42 • Number of events 1
0.00%
0/19
0.00%
0/25

Other adverse events

Other adverse events
Measure
Group A Fluzone® (IM)
n=42 participants at risk
Participants in this group will be randomized to Fluzone® administered intramuscularly (IM)
Group B Fluzone® (ID)
n=19 participants at risk
Participants in this group will be randomized to Fluzone® administered intradermally (ID)
Group C FluMist®
n=25 participants at risk
Participants in this group will be randomized to FluMist® administered intranasally.
Respiratory, thoracic and mediastinal disorders
Bronchospasm
2.4%
1/42 • Number of events 1
0.00%
0/19
0.00%
0/25
General disorders
Erythema at injection site
0.00%
0/42
5.3%
1/19 • Number of events 1
0.00%
0/25
Nervous system disorders
Presyncope
4.8%
2/42 • Number of events 2
10.5%
2/19 • Number of events 2
8.0%
2/25 • Number of events 2

Additional Information

Dr Cornelia Dekker

Stanford University School of Medicine, Dept. of Pediatrics

Phone: 650-724-4437

Results disclosure agreements

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