Trial Outcomes & Findings for Study of a Parenterally Administered H5N1 Influenza Vaccine in Healthy Adults (NCT NCT00868218)

NCT ID: NCT00868218

Last Updated: 2019-11-18

Results Overview

The primary endpoints of the trial are the local and systemic adverse events and tolerability of parenterally administered virosomal H5N1 influenza vaccine with or without 3rd generation ISCOM™ adjuvant.

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

60 participants

Primary outcome timeframe

three months

Results posted on

2019-11-18

Participant Flow

Haukeland University hospital recrutiment in 2009

Haelthy person were randomly assigned to one of 4 vaccine groups

Participant milestones

Participant milestones
Measure
30µg HA Vaccine
30µg HA vaccine Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
1.5µg HA Adjuvanted
1.5µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
7.5µg HA Adjuvanted
7.5µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
30µg HA Adjuvanted
30µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
Overall Study
STARTED
15
15
15
15
Overall Study
COMPLETED
15
15
15
15
Overall Study
NOT COMPLETED
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Study of a Parenterally Administered H5N1 Influenza Vaccine in Healthy Adults

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
30µg HA Vaccine
n=15 Participants
30µg HA vaccine Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
1.5µg HA Adjuvanted
n=15 Participants
1.5µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
7.5µg HA Adjuvanted
n=15 Participants
7.5µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
30µg HA Adjuvanted
n=15 Participants
30µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
Total
n=60 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Age, Categorical
Between 18 and 65 years
15 Participants
n=5 Participants
15 Participants
n=7 Participants
15 Participants
n=5 Participants
15 Participants
n=4 Participants
60 Participants
n=21 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Age, Continuous
32 years
n=5 Participants
29 years
n=7 Participants
31 years
n=5 Participants
31 years
n=4 Participants
31 years
n=21 Participants
Sex: Female, Male
Female
9 Participants
n=5 Participants
10 Participants
n=7 Participants
8 Participants
n=5 Participants
11 Participants
n=4 Participants
38 Participants
n=21 Participants
Sex: Female, Male
Male
6 Participants
n=5 Participants
5 Participants
n=7 Participants
7 Participants
n=5 Participants
4 Participants
n=4 Participants
22 Participants
n=21 Participants
Region of Enrollment
Norway
15 participants
n=5 Participants
15 participants
n=7 Participants
15 participants
n=5 Participants
15 participants
n=4 Participants
60 participants
n=21 Participants

PRIMARY outcome

Timeframe: three months

The primary endpoints of the trial are the local and systemic adverse events and tolerability of parenterally administered virosomal H5N1 influenza vaccine with or without 3rd generation ISCOM™ adjuvant.

Outcome measures

Outcome measures
Measure
30µg HA Vaccine
n=15 Participants
30µg HA vaccine Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
1.5µg HA Adjuvanted
n=15 Participants
1.5µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
7.5µg HA Adjuvanted
n=15 Participants
7.5µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
30µg HA Adjuvanted
n=15 Participants
30µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
Solicted Adverse Events
8 participants
12 participants
13 participants
14 participants

PRIMARY outcome

Timeframe: 42 days

Outcome measures

Outcome measures
Measure
30µg HA Vaccine
n=15 Participants
30µg HA vaccine Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
1.5µg HA Adjuvanted
n=15 Participants
1.5µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
7.5µg HA Adjuvanted
n=15 Participants
7.5µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
30µg HA Adjuvanted
n=15 Participants
30µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
Adverse Events
0 participants
0 participants
0 participants
0 participants

SECONDARY outcome

Timeframe: one year

Number of participants with haemagglutination inhibition tigers \>= 32 at the long term time point (1 year post vaccination).

Outcome measures

Outcome measures
Measure
30µg HA Vaccine
n=15 Participants
30µg HA vaccine Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
1.5µg HA Adjuvanted
n=15 Participants
1.5µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
7.5µg HA Adjuvanted
n=15 Participants
7.5µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
30µg HA Adjuvanted
n=15 Participants
30µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
Immunogenicity of a Non-adjuvanted and 3rd Generation ISCOM™ Adjuvanted Virosomal H5N1 Influenza Vaccine
0 participants
0 participants
1 participants
2 participants

Adverse Events

30µg HA Vaccine

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

1.5µg HA Adjuvanted

Serious events: 0 serious events
Other events: 13 other events
Deaths: 0 deaths

7.5µg HA Adjuvanted

Serious events: 0 serious events
Other events: 12 other events
Deaths: 0 deaths

30µg HA Adjuvanted

Serious events: 0 serious events
Other events: 13 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
30µg HA Vaccine
n=15 participants at risk
30µg HA vaccine Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
1.5µg HA Adjuvanted
n=15 participants at risk
1.5µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
7.5µg HA Adjuvanted
n=15 participants at risk
7.5µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
30µg HA Adjuvanted
n=15 participants at risk
30µg HA adjuvanted with 50µg 3rd generation ISCOM™ Intramuscularly administered Influenza vaccine: Influenza virus strain: avian influenza Influenza A/Vietnam/1194/2004 NIBRG-14
Infections and infestations
local or systemic reactions
53.3%
8/15 • Number of events 8 • AE were solicited for 42 days after vaccination
Each participant received an AE form which was returned to the clinic 21 days after each vaccination.
86.7%
13/15 • Number of events 13 • AE were solicited for 42 days after vaccination
Each participant received an AE form which was returned to the clinic 21 days after each vaccination.
80.0%
12/15 • Number of events 12 • AE were solicited for 42 days after vaccination
Each participant received an AE form which was returned to the clinic 21 days after each vaccination.
86.7%
13/15 • Number of events 13 • AE were solicited for 42 days after vaccination
Each participant received an AE form which was returned to the clinic 21 days after each vaccination.

Additional Information

Professor Rebecca Jane Cox

University of Bergen

Phone: +4755974668

Results disclosure agreements

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