Trial Outcomes & Findings for Safety and Immunogenicity of Fluzone® Vaccine in Children Who Received 2 Doses of the 2005-2006 Fluzone Formulation. (NCT NCT00390884)

NCT ID: NCT00390884

Last Updated: 2016-04-14

Results Overview

Seroprotection was defined as a Post-vaccination Hemagglutination Inhibition titer of greater than or equal to 1:40.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

173 participants

Primary outcome timeframe

Day 28 Post-vaccination

Results posted on

2016-04-14

Participant Flow

Participants were enrolled into this study from 03 October 2006 to 04 January 2007 at 5 US clinical centers.

A total of 173 participants were enrolled, vaccinated, and analyzed.

Participant milestones

Participant milestones
Measure
Fluzone®-Primed Group
Participants had received two doses of the 2005-2006 formulation of Fluzone® vaccine in the fall of 2005 (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Fluzone®-Naive Group
Participants had never received influenza vaccine and had received two doses of placebo (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Overall Study
STARTED
116
57
Overall Study
COMPLETED
114
55
Overall Study
NOT COMPLETED
2
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Fluzone®-Primed Group
Participants had received two doses of the 2005-2006 formulation of Fluzone® vaccine in the fall of 2005 (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Fluzone®-Naive Group
Participants had never received influenza vaccine and had received two doses of placebo (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Overall Study
Withdrawal by Subject
2
2

Baseline Characteristics

Safety and Immunogenicity of Fluzone® Vaccine in Children Who Received 2 Doses of the 2005-2006 Fluzone Formulation.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Fluzone®-Primed Group
n=116 Participants
Participants had received two doses of the 2005-2006 formulation of Fluzone® vaccine in the fall of 2005 (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Fluzone®-Naive Group
n=57 Participants
Participants had never received influenza vaccine and had received two doses of placebo (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Total
n=173 Participants
Total of all reporting groups
Age, Categorical
<=18 years
116 Participants
n=5 Participants
57 Participants
n=7 Participants
173 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Continuous
13.8 Months
STANDARD_DEVIATION 1.01 • n=5 Participants
13.9 Months
STANDARD_DEVIATION 1.13 • n=7 Participants
13.8 Months
STANDARD_DEVIATION 1.07 • n=5 Participants
Sex: Female, Male
Female
48 Participants
n=5 Participants
22 Participants
n=7 Participants
70 Participants
n=5 Participants
Sex: Female, Male
Male
68 Participants
n=5 Participants
35 Participants
n=7 Participants
103 Participants
n=5 Participants
Region of Enrollment
United States
116 participants
n=5 Participants
57 participants
n=7 Participants
173 participants
n=5 Participants

PRIMARY outcome

Timeframe: Day 28 Post-vaccination

Population: Hemagglutination inhibition titers to the Fluzone® vaccine antigens were assessed in the per-protocol immunogenicity population.

Seroprotection was defined as a Post-vaccination Hemagglutination Inhibition titer of greater than or equal to 1:40.

Outcome measures

Outcome measures
Measure
Fluzone®-Primed Group
n=94 Participants
Participants had received two doses of the 2005-2006 formulation of Fluzone® vaccine in the fall of 2005 (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Fluzone®-Naive Group
n=50 Participants
Participants had never received influenza vaccine and had received two doses of placebo (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Percentage of Seroprotected Participants Post-vaccination With Fluzone®
Flu A/Wisconsin/67/2005 (H3N2) Post -Dose 2
79 Percentage of Participants
94 Percentage of Participants
Percentage of Seroprotected Participants Post-vaccination With Fluzone®
Flu B/Malaysia/2506/2004 Post-Dose 2
50 Percentage of Participants
65 Percentage of Participants
Percentage of Seroprotected Participants Post-vaccination With Fluzone®
Flu A/New Caledonia/20/99 (H1N1) Post-Dose 1
59 Percentage of Participants
34 Percentage of Participants
Percentage of Seroprotected Participants Post-vaccination With Fluzone®
Flu A/Wisconsin/67/2005 (H3N2) Post -Dose 1
95 Percentage of Participants
80 Percentage of Participants
Percentage of Seroprotected Participants Post-vaccination With Fluzone®
Flu B/Malaysia/2506/2004 Post-Dose 1
10 Percentage of Participants
6 Percentage of Participants
Percentage of Seroprotected Participants Post-vaccination With Fluzone®
Flu A/New Caledonia/20/99 (H1N1) Post-Dose 2
62 Percentage of Participants
82 Percentage of Participants

SECONDARY outcome

Timeframe: Day 28 Post-vaccination

Population: The Geometric Mean Titers were analyzed in the per-protocol immunogenicity population

Antibodies against Influenza virus in Fluzone® Vaccine determined by the Hemagglutination inhibition (HAI) assay method.

Outcome measures

Outcome measures
Measure
Fluzone®-Primed Group
n=94 Participants
Participants had received two doses of the 2005-2006 formulation of Fluzone® vaccine in the fall of 2005 (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Fluzone®-Naive Group
n=50 Participants
Participants had never received influenza vaccine and had received two doses of placebo (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Geometric Mean Titers (GMTs) of Hemagglutination Inhibition Antibodies Post-vaccination With Fluzone®
Flu A/New Caledonia/20/99 (H1N1) Post-Dose 1
41.3 Titers
Interval 32.9 to 52.0
22.7 Titers
Interval 17.9 to 28.7
Geometric Mean Titers (GMTs) of Hemagglutination Inhibition Antibodies Post-vaccination With Fluzone®
Flu A/Wisconsin/67/2005 (H3N2) Post-Dose 1
144 Titers
Interval 116.0 to 179.0
89.4 Titers
Interval 55.4 to 144.0
Geometric Mean Titers (GMTs) of Hemagglutination Inhibition Antibodies Post-vaccination With Fluzone®
Flu B/Malaysia/2506/2004 Post-Dose 1
11.1 Titers
Interval 8.45 to 14.6
9.27 Titers
Interval 6.31 to 13.6
Geometric Mean Titers (GMTs) of Hemagglutination Inhibition Antibodies Post-vaccination With Fluzone®
Flu A/New Caledonia/20/99 (H1N1) Post-Dose 2
42.1 Titers
Interval 27.3 to 64.8
78.4 Titers
Interval 47.1 to 131.0
Geometric Mean Titers (GMTs) of Hemagglutination Inhibition Antibodies Post-vaccination With Fluzone®
Flu A/Wisconsin/67/2005 (H3N2) Post-Dose 2
103 Titers
Interval 68.9 to 155.0
217 Titers
Interval 122.0 to 388.0
Geometric Mean Titers (GMTs) of Hemagglutination Inhibition Antibodies Post-vaccination With Fluzone®
Flu B/Malaysia/2506/2004 Post-Dose 2
39.2 Titers
Interval 25.5 to 60.3
63.9 Titers
Interval 34.9 to 117.0

OTHER_PRE_SPECIFIED outcome

Timeframe: Days 0-7 Post-vaccination

Population: The safety analysis was on all enrolled and vaccinated participants, intent-to-treat population.

Solicited injection site: tenderness, erythema, and swelling; Solicited systemic reactions: fever, vomiting, abnormal crying, drowsiness, appetite loss, and irritability, after each vaccination

Outcome measures

Outcome measures
Measure
Fluzone®-Primed Group
n=116 Participants
Participants had received two doses of the 2005-2006 formulation of Fluzone® vaccine in the fall of 2005 (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Fluzone®-Naive Group
n=57 Participants
Participants had never received influenza vaccine and had received two doses of placebo (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Injection Site Reaction Post-Dose 2
57 Percentage of Participants
51 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Grade 3 Swelling (≥ 5.0 cm)
0 Percentage of Participants
0 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Injection Site Reaction - Any Dose
68 Percentage of Participants
69 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Tenderness
56 Percentage of Participants
49 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Grade 3 Tenderness (Crying when limb is moved)
1 Percentage of Participants
0 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Fever
16 Percentage of Participants
24 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Grade 3 Fever (≥ 103.2 ºF)
2 Percentage of Participants
2 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Vomiting
13 Percentage of Participants
16 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Grade 3 Vomiting (≥ 6 episodes per 24 hours)
2 Percentage of Participants
0 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Abnormal Crying
55 Percentage of Participants
53 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Drowsiness
32 Percentage of Participants
33 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Loss of Appetite
53 Percentage of Participants
33 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Grade 3 Loss of Appetite (Refuses ≥ 3 feeds)
2 Percentage of Participants
2 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Irritability
74 Percentage of Participants
78 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Grade 3 Irritability (Inconsolable)
5 Percentage of Participants
0 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Grade 3 Abnormal Crying (> 3 hours)
3 Percentage of Participants
0 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Grade 3 Drowsiness (Slept most of time)
1 Percentage of Participants
2 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Systemic Reaction - Any Dose
88 Percentage of Participants
89 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Injection Site Reaction Post-Dose 1
51 Percentage of Participants
55 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Redness (> 0.5 cm)
13 Percentage of Participants
11 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Grade 3 Redness (≥ 5.0 cm)
0 Percentage of Participants
0 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Swelling (> 0.5 cm)
6 Percentage of Participants
7 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Systemic Reaction Post-Dose 1
75 Percentage of Participants
76 Percentage of Participants
Percentage of Participants With At Least One Solicited Injection Site or Systemic Reaction Post-vaccination With Fluzone®
Any Systemic Reaction Post-Dose 2
72 Percentage of Participants
71 Percentage of Participants

Adverse Events

Fluzone®-Primed Group

Serious events: 1 serious events
Other events: 87 other events
Deaths: 0 deaths

Fluzone®-Naive Group

Serious events: 0 serious events
Other events: 40 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Fluzone®-Primed Group
n=116 participants at risk
Participants had received two doses of the 2005-2006 formulation of Fluzone® vaccine in the fall of 2005 (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Fluzone®-Naive Group
n=57 participants at risk
Participants had never received influenza vaccine and had received two doses of placebo (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Infections and infestations
Gastroenteritis
0.86%
1/116 • Number of events 1 • Adverse event data were collected for 2 months post-vaccination.
0.00%
0/57 • Adverse event data were collected for 2 months post-vaccination.

Other adverse events

Other adverse events
Measure
Fluzone®-Primed Group
n=116 participants at risk
Participants had received two doses of the 2005-2006 formulation of Fluzone® vaccine in the fall of 2005 (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Fluzone®-Naive Group
n=57 participants at risk
Participants had never received influenza vaccine and had received two doses of placebo (Study GRC28 NCT00242424); they received two doses of Fluzone® Pediatric 2006-2007 formulation.
Gastrointestinal disorders
Diarrhoea
19.8%
23/116 • Number of events 27 • Adverse event data were collected for 2 months post-vaccination.
22.8%
13/57 • Number of events 14 • Adverse event data were collected for 2 months post-vaccination.
Gastrointestinal disorders
Teething
17.2%
20/116 • Number of events 30 • Adverse event data were collected for 2 months post-vaccination.
8.8%
5/57 • Number of events 6 • Adverse event data were collected for 2 months post-vaccination.
Gastrointestinal disorders
Vomiting
14.7%
17/116 • Number of events 17 • Adverse event data were collected for 2 months post-vaccination.
8.8%
5/57 • Number of events 5 • Adverse event data were collected for 2 months post-vaccination.
General disorders
Pyrexia
16.4%
19/116 • Number of events 20 • Adverse event data were collected for 2 months post-vaccination.
19.3%
11/57 • Number of events 12 • Adverse event data were collected for 2 months post-vaccination.
Infections and infestations
Croup infectious
6.0%
7/116 • Number of events 7 • Adverse event data were collected for 2 months post-vaccination.
1.8%
1/57 • Number of events 1 • Adverse event data were collected for 2 months post-vaccination.
Infections and infestations
Nasopharyngitis
11.2%
13/116 • Number of events 15 • Adverse event data were collected for 2 months post-vaccination.
10.5%
6/57 • Number of events 6 • Adverse event data were collected for 2 months post-vaccination.
Infections and infestations
Otitis media
22.4%
26/116 • Number of events 28 • Adverse event data were collected for 2 months post-vaccination.
15.8%
9/57 • Number of events 10 • Adverse event data were collected for 2 months post-vaccination.
Infections and infestations
Upper respiratory tract infection
20.7%
24/116 • Number of events 31 • Adverse event data were collected for 2 months post-vaccination.
15.8%
9/57 • Number of events 9 • Adverse event data were collected for 2 months post-vaccination.
Respiratory, thoracic and mediastinal disorders
Cough
19.0%
22/116 • Number of events 25 • Adverse event data were collected for 2 months post-vaccination.
26.3%
15/57 • Number of events 17 • Adverse event data were collected for 2 months post-vaccination.
Respiratory, thoracic and mediastinal disorders
Nasal congestion
6.0%
7/116 • Number of events 7 • Adverse event data were collected for 2 months post-vaccination.
8.8%
5/57 • Number of events 5 • Adverse event data were collected for 2 months post-vaccination.
Respiratory, thoracic and mediastinal disorders
Rhinorrhoea
18.1%
21/116 • Number of events 25 • Adverse event data were collected for 2 months post-vaccination.
10.5%
6/57 • Number of events 7 • Adverse event data were collected for 2 months post-vaccination.
Skin and subcutaneous tissue disorders
Rash
2.6%
3/116 • Number of events 3 • Adverse event data were collected for 2 months post-vaccination.
5.3%
3/57 • Number of events 3 • Adverse event data were collected for 2 months post-vaccination.

Additional Information

Medical Director

Sanofi Pasteur Inc.

Results disclosure agreements

  • Principal investigator is a sponsor employee Sponsor must have the opportunity to review at least 60 days prior to submission for publication or presentation. If review indicates that potentially patentable subject matter would be disclosed, publication or public disclosure may be delayed for a maximum of an additional 60 days to allow for filing the necessary patent applications
  • Publication restrictions are in place

Restriction type: OTHER