Trial Outcomes & Findings for A Randomized, Controlled Trial on the Efficacy and Safety of Live-Attenuated Influenza Vaccine (LAIV) Among Children in Bangladesh (NCT NCT01797029)

NCT ID: NCT01797029

Last Updated: 2015-06-11

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

1761 participants

Primary outcome timeframe

Through 7 to 9 months post-vaccination

Results posted on

2015-06-11

Participant Flow

Participant milestones

Participant milestones
Measure
Vaccine
A single dose of Serum Institute of India, Ltd. (SIIL) Trivalent LAIV--2012/2013 WHO Northern Hemisphere vaccine containing A/California/7/2009 (H1N1), A/Victoria/361/2011 (H3N2), B/Wisconsin/1/2010
Placebo
Inactive placebo will be identical to reconstituted Serum Institute of India, Ltd. (SIIL) LAIV in ingredients and concentrations except A/California/7/2009 (H1N1), A/Victoria/361/2011 (H3N2), B/Wisconsin/1/2010 will be replaced with egg allantoic fluid.
Overall Study
STARTED
1174
587
Overall Study
COMPLETED
1015
526
Overall Study
NOT COMPLETED
159
61

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

A Randomized, Controlled Trial on the Efficacy and Safety of Live-Attenuated Influenza Vaccine (LAIV) Among Children in Bangladesh

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Vaccine
n=1174 Participants
A single dose of SIIL Trivalent LAIV--2012/2013 WHO Northern Hemisphere vaccine containing A/California/7/2009 (H1N1), A/Victoria/361/2011 (H3N2), B/Wisconsin/1/2010
Placebo
n=587 Participants
Inactive placebo will be identical to reconstituted SIIL LAIV in ingredients and concentrations except A/California/7/2009 (H1N1), A/Victoria/361/2011 (H3N2), B/Wisconsin/1/2010 will be replaced with egg allantoic fluid.
Total
n=1761 Participants
Total of all reporting groups
Age, Categorical
<=18 years
1174 Participants
n=39 Participants
587 Participants
n=41 Participants
1761 Participants
n=35 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Age, Categorical
>=65 years
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Sex: Female, Male
Female
589 Participants
n=39 Participants
306 Participants
n=41 Participants
895 Participants
n=35 Participants
Sex: Female, Male
Male
585 Participants
n=39 Participants
281 Participants
n=41 Participants
866 Participants
n=35 Participants
Region of Enrollment
Bangladesh
1174 participants
n=39 Participants
587 participants
n=41 Participants
1761 participants
n=35 Participants

PRIMARY outcome

Timeframe: Through 7 to 9 months post-vaccination

Outcome measures

Outcome measures
Measure
Vaccine
n=1174 Participants
A single dose of SIIL Trivalent LAIV--2012/2013 WHO Northern Hemisphere vaccine containing A/California/7/2009 (H1N1), A/Victoria/361/2011 (H3N2), B/Wisconsin/1/2010
Placebo
n=587 Participants
Inactive placebo will be identical to reconstituted SIIL LAIV in ingredients and concentrations except A/California/7/2009 (H1N1), A/Victoria/361/2011 (H3N2), B/Wisconsin/1/2010 will be replaced with egg allantoic fluid.
Percentage of Participants With Symptomatic, Laboratory-confirmed Influenza Virus Infection (Vaccine-matched Strains).
6.7 percentage of participants
15.8 percentage of participants

SECONDARY outcome

Timeframe: Through one week post-vaccination

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 30 minutes post-vaccination

Outcome measures

Outcome measures
Measure
Vaccine
n=1174 Participants
A single dose of SIIL Trivalent LAIV--2012/2013 WHO Northern Hemisphere vaccine containing A/California/7/2009 (H1N1), A/Victoria/361/2011 (H3N2), B/Wisconsin/1/2010
Placebo
n=587 Participants
Inactive placebo will be identical to reconstituted SIIL LAIV in ingredients and concentrations except A/California/7/2009 (H1N1), A/Victoria/361/2011 (H3N2), B/Wisconsin/1/2010 will be replaced with egg allantoic fluid.
Safety Profile of LAIV: Immediate Reactions
0 participants
0 participants

SECONDARY outcome

Timeframe: Through 7 to 9 months post-vaccination

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Through 7 to 9 months post-vaccination

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Through 7 to 9 months post-vaccination

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Through 16 to 19 months post-vaccination

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Through 16 to 19 months post-vaccination

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Through 16 to 19 months post-vaccination

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Through 16 to 19 months post-vaccination

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Through 16 to 19 months post-vaccination

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Through 16 to 19 months post-vaccination

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: Through 7 to 9 months post-vaccination

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: Through 16 to 19 months post-vaccination

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: From approx. 6 months to approximately 19 months post-vaccination

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: From approx. 6 months to approximately 19 months post-vaccination

Outcome measures

Outcome data not reported

Adverse Events

Vaccine

Serious events: 42 serious events
Other events: 68 other events
Deaths: 0 deaths

Placebo

Serious events: 19 serious events
Other events: 35 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Vaccine
n=1174 participants at risk
A single dose of SIIL Trivalent LAIV--2012/2013 WHO Northern Hemisphere vaccine containing A/California/7/2009 (H1N1), A/Victoria/361/2011 (H3N2), B/Wisconsin/1/2010
Placebo
n=587 participants at risk
Inactive placebo will be identical to reconstituted SIIL LAIV in ingredients and concentrations except A/California/7/2009 (H1N1), A/Victoria/361/2011 (H3N2), B/Wisconsin/1/2010 will be replaced with egg allantoic fluid.
Respiratory, thoracic and mediastinal disorders
Respiratory SAEs
0.94%
11/1174 • Number of events 11 • Throughout study period: February 2013 to September 2014, up to 20 months of follow-up.
Adverse events are classified according to the type of adverse event.
1.4%
8/587 • Number of events 8 • Throughout study period: February 2013 to September 2014, up to 20 months of follow-up.
Adverse events are classified according to the type of adverse event.
General disorders
Non respiratory SAEs
2.6%
31/1174 • Number of events 31 • Throughout study period: February 2013 to September 2014, up to 20 months of follow-up.
Adverse events are classified according to the type of adverse event.
1.9%
11/587 • Number of events 11 • Throughout study period: February 2013 to September 2014, up to 20 months of follow-up.
Adverse events are classified according to the type of adverse event.

Other adverse events

Other adverse events
Measure
Vaccine
n=1174 participants at risk
A single dose of SIIL Trivalent LAIV--2012/2013 WHO Northern Hemisphere vaccine containing A/California/7/2009 (H1N1), A/Victoria/361/2011 (H3N2), B/Wisconsin/1/2010
Placebo
n=587 participants at risk
Inactive placebo will be identical to reconstituted SIIL LAIV in ingredients and concentrations except A/California/7/2009 (H1N1), A/Victoria/361/2011 (H3N2), B/Wisconsin/1/2010 will be replaced with egg allantoic fluid.
General disorders
Any SOC
5.8%
68/1174 • Throughout study period: February 2013 to September 2014, up to 20 months of follow-up.
Adverse events are classified according to the type of adverse event.
6.0%
35/587 • Throughout study period: February 2013 to September 2014, up to 20 months of follow-up.
Adverse events are classified according to the type of adverse event.

Additional Information

Senior Clinical Research Scientist

PATH

Phone: 206-285-3500

Results disclosure agreements

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

Restriction type: LTE60