Trial Outcomes & Findings for Annual Study to Investigate Inactivated Subunit Influenza Vaccine Due to New Virus Strains for the Southern Hemisphere 2015 Season (NCT NCT02381418)

NCT ID: NCT02381418

Last Updated: 2016-12-22

Results Overview

Seroprotection and Seroconversion Rate for A/H1N1, A/H3N2, and B Strains 3 weeks After Vaccination in non-elderly adults and elderly adults.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

120 participants

Primary outcome timeframe

3 weeks post vaccination

Results posted on

2016-12-22

Participant Flow

Participant milestones

Participant milestones
Measure
Influvac
Trivalent influenza subunit vaccine Influvac. "3x 15mcg Hemagglutinin Antigen (HA) per 0.5 ml,trivalent one injection at Day 1 "
Overall Study
STARTED
120
Overall Study
COMPLETED
120
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Annual Study to Investigate Inactivated Subunit Influenza Vaccine Due to New Virus Strains for the Southern Hemisphere 2015 Season

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Influvac
n=120 Participants
Trivalent influenza subunit vaccine Influvac. "3x 15mcg HA per 0.5 ml,trivalent one injection at Day 1 "
Age, Categorical
<=18 years
1 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
71 Participants
n=5 Participants
Age, Categorical
>=65 years
48 Participants
n=5 Participants
Age, Continuous
adult (18-60 year old)
41.2 years
n=5 Participants
Age, Continuous
elderly adult (>=61 year old)
71.5 years
n=5 Participants
Gender
Female
58 Participants
n=5 Participants
Gender
Male
62 Participants
n=5 Participants
Region of Enrollment
Australia
120 participants
n=5 Participants

PRIMARY outcome

Timeframe: 3 weeks post vaccination

Population: Two subjects were excluded from the efficacy sample due to major protocol violations with a potential effect on immunogenicity outcome.

Seroprotection and Seroconversion Rate for A/H1N1, A/H3N2, and B Strains 3 weeks After Vaccination in non-elderly adults and elderly adults.

Outcome measures

Outcome measures
Measure
Influvac
n=118 Participants
Trivalent influenza subunit vaccine Influvac. "3x 15mcg HA per 0.5 ml,trivalent one injection at Day 1 "
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Percentage adults with seroprotection for A/H3N2
96.6 percentage of subjects
Interval 88.3 to 99.6
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Percentage adults with seroprotection for A/H1N1
96.6 percentage of subjects
Interval 88.3 to 99.6
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Percentage adults with seroprotection for B
93.2 percentage of subjects
Interval 83.5 to 98.1
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Percentage elderly with seroprotection for A/H3N2
98.3 percentage of subjects
Interval 90.9 to 100.0
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Percentage elderly with seroprotection for A/H1N1
88.1 percentage of subjects
Interval 77.1 to 95.1
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Percentage elderly with seroprotection for B
64.4 percentage of subjects
Interval 50.9 to 76.4
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Percentage adults with seroconversion for A/H3N2
83.1 percentage of subjects
Interval 71.0 to 91.6
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Percentage adults with seroconversion for A/H1N1
50.8 percentage of subjects
Interval 37.5 to 64.1
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Percentage adults with seroconversion for B
52.5 percentage of subjects
Interval 39.1 to 65.7
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Percentage elderly with seroconversion for A/H3N2
76.3 percentage of subjects
Interval 63.4 to 86.4
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Percentage elderly with seroconversion for A/H1N1
32.2 percentage of subjects
Interval 20.6 to 45.6
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Percentage elderly with seroconversion for B
35.6 percentage of subjects
Interval 23.6 to 49.1

PRIMARY outcome

Timeframe: 3 weeks post vaccination

Population: Two subjects were excluded from the efficacy sample due to major protocol violations with a potential effect on immunogenicity outcome.

Mean fold increase in HI antibody titer 3 weeks After Vaccination in non-elderly adults and elderly adults.

Outcome measures

Outcome measures
Measure
Influvac
n=118 Participants
Trivalent influenza subunit vaccine Influvac. "3x 15mcg HA per 0.5 ml,trivalent one injection at Day 1 "
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Mean fold increase A/H3N2 titer in adults
19.2 fold change
Interval 12.4 to 29.7
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Mean fold increase A/H1N1 titer in adults
8.6 fold change
Interval 5.0 to 15.0
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Mean fold increase B titer in adults
5.7 fold change
Interval 3.9 to 8.3
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Mean fold increase A/H3N2 titer in elderly
12.2 fold change
Interval 8.3 to 17.8
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Mean fold increase A/H1N1 titer in elderly
3.1 fold change
Interval 2.3 to 4.2
the Serum Antihemagglutinin Antibody Titers and the Derived Parameters Defined in the Committee for Medicinal Products for Human Use (CHMP) Note for Guidance on Harmonization of Requirements for Influenza Vaccines for Influenza Vaccines.
Mean fold increase B titer in elderly
2.7 fold change
Interval 1.9 to 3.8

SECONDARY outcome

Timeframe: up to 3 weeks post vaccination

Outcome measures

Outcome measures
Measure
Influvac
n=120 Participants
Trivalent influenza subunit vaccine Influvac. "3x 15mcg HA per 0.5 ml,trivalent one injection at Day 1 "
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Shivering (18-60 year of age)
2 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Redness (>=61 year of age)
0 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Redness (18-60 years of age)
6 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Swelling (18-60 years of age)
5 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Itching (18-60 years of age)
4 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Warmth (18-60 years of age)
5 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Tenderness (18-60 years of age)
22 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Pain (18-60 years of age)
7 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Impairment of movement of arm (18-60 years of age)
4 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Induration (hardening) (18-60 year of age)
4 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Ecchymosis (blue spots) (18-60 year of age)
0 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Fever >=38c (18-60 year of age)
0 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Increased sweating (18-60 year of age)
4 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Headache (18-60 year of age)
10 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Malaise (18-60 year of age)
5 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Fatigue (18-60 year of age)
10 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Swelling (>=61 year of age)
1 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Itching (>=61 year of age)
0 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Warmth (>=61 year of age)
5 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Tenderness (>=61 year of age)
7 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Pain (>=61 year of age)
0 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Impairment of movement arm (>=61 year of age)
0 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Induration (hardening) (>=61 year of age)
1 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Ecchymosis (blue spots) (>=61 year of age)
1 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Fever >-38c (>=61 year of age)
1 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Increased sweating (>=61 year of age)
2 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Headache (>=61 year of age)
8 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Malaise(>=61 year of age)
6 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Fatigue (>=61 year of age)
9 participants
Safety (Unsolicited Adverse Events) and Tolerability (Reactogenicity and Overall Inconvenience) of Influvac®.
Shivering
2 participants

Adverse Events

Influvac

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Influvac
n=120 participants at risk
Trivalent influenza subunit vaccine Influvac. "3x 15mcg HA per 0.5 ml,trivalent one injection at Day 1 "
General disorders
vaccine site pain
5.8%
7/120 • Number of events 9
Respiratory, thoracic and mediastinal disorders
nasal congestion
2.5%
3/120 • Number of events 3
Respiratory, thoracic and mediastinal disorders
oropharyngeal pain
3.3%
4/120 • Number of events 4
General disorders
application site pruritus
1.7%
2/120 • Number of events 2
Respiratory, thoracic and mediastinal disorders
cough
1.7%
2/120 • Number of events 2
General disorders
fatigue
2.5%
3/120 • Number of events 3
General disorders
malaise
2.5%
3/120 • Number of events 3
General disorders
vaccination site warmth
2.5%
3/120 • Number of events 3
Respiratory, thoracic and mediastinal disorders
nasopharyngitis
0.83%
1/120 • Number of events 1
Respiratory, thoracic and mediastinal disorders
respiratory disorder
0.83%
1/120 • Number of events 1
Gastrointestinal disorders
vomiting
0.83%
1/120 • Number of events 1
Skin and subcutaneous tissue disorders
Hyperhidrosis
0.83%
1/120 • Number of events 1
Nervous system disorders
headache
1.7%
2/120 • Number of events 2
Respiratory, thoracic and mediastinal disorders
respiratory tract infection
0.83%
1/120 • Number of events 1

Additional Information

Global Clinical Director

Abbott

Phone: +31294477184

Results disclosure agreements

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

Restriction type: OTHER