Trial Outcomes & Findings for Kinetics of B-Cell Responses to Live, Attenuated Influenza Vaccine (LAIV) in Young Children Two Years of Age (NCT NCT03020472)

NCT ID: NCT03020472

Last Updated: 2021-10-18

Results Overview

Recruitment status

TERMINATED

Study phase

PHASE4

Target enrollment

6 participants

Primary outcome timeframe

Day 0 to Day 28

Results posted on

2021-10-18

Participant Flow

Participant milestones

Participant milestones
Measure
2008-2009 FluMist LAIV (Intranasal)
Seasonal live, attenuated influenza vaccine (LAIV) 2008-2009 FluMist LAIV (Intranasal): 2008-2009 FluMist vaccine delivered intranasally
Overall Study
STARTED
6
Overall Study
COMPLETED
6
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Kinetics of B-Cell Responses to Live, Attenuated Influenza Vaccine (LAIV) in Young Children Two Years of Age

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
2008-2009 FluMist LAIV (Intranasal)
n=6 Participants
2008-2009 FluMist LAIV (Intranasal) Seasonal live, attenuated influenza vaccine 2008-2009 FluMist LAIV (Intranasal): 2008-2009 FluMist vaccine delivered intranasally
Age, Continuous
2.4 years
STANDARD_DEVIATION 0.1 • n=5 Participants
Sex: Female, Male
Female
3 Participants
n=5 Participants
Sex: Female, Male
Male
3 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
4 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
Race (NIH/OMB)
White
4 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants
n=5 Participants
Region of Enrollment
United States
6 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Day 0 to Day 28

Outcome measures

Outcome measures
Measure
2008-2009 FluMist LAIV (Intranasal)
n=6 Participants
2008-2009 FluMist LAIV (Intranasal) Seasonal live, attenuated influenza vaccine 2008-2009 FluMist LAIV (Intranasal): 2008-2009 FluMist vaccine delivered intranasally
Number of Participants Who Received Influenza Vaccine
6 Participants

SECONDARY outcome

Timeframe: Day 0 to Day 28

Outcome measures

Outcome measures
Measure
2008-2009 FluMist LAIV (Intranasal)
n=6 Participants
2008-2009 FluMist LAIV (Intranasal) Seasonal live, attenuated influenza vaccine 2008-2009 FluMist LAIV (Intranasal): 2008-2009 FluMist vaccine delivered intranasally
Number of Participants With Related Adverse Events
0 Participants

OTHER_PRE_SPECIFIED outcome

Timeframe: 5-13 days post immunization

Population: Due to the low enrollment, the study was terminated and analysis was not performed.

Identify peak of the post-immunization B-cell responses following vaccination with live, attenuated influenza vaccine (LAIV)

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: Day 0 to Day 28

Outcome measures

Outcome data not reported

Adverse Events

2008-2009 FluMist LAIV (Intranasal)

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 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