Trial Outcomes & Findings for Concomitant Vaccination With the Japanese Encephalitis Vaccine IC51 and HARVIX® 1440 (NCT NCT00596271)

NCT ID: NCT00596271

Last Updated: 2014-05-13

Results Overview

anti-JEV Neutralizing Antibodies were tabulated for IC51 groups only; for HAV GMTs (co-primary endpoint GMT for Hepatitis A Virus (HAV) Antibody at Day 28), please refer to "Outcome 2" within outcome measure section

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

192 participants

Primary outcome timeframe

Day 56

Results posted on

2014-05-13

Participant Flow

First Subject In: 26.09.2005, Last Subject Out: 14.07.2006 performed at centers for travelling medicine/vaccinology

Participant milestones

Participant milestones
Measure
IC51 and Placebo
6 mcg i.m. IC51 with 2 injections (day 0 and 28)and placebo 0.5 mL with 1 injection (day 0)
HAVRIX and Placebo
HAVRIX with 1 injection (day 0) and placebo 0.5 mL with 2 injections (day 0 and 28)
IC51 and HAVRIX
IC51 6 mcg i.m. with 2 injections (day 0 and 28) and HAVRIX with 1 injection (day 0)
Overall Study
STARTED
65
65
62
Overall Study
COMPLETED
60
59
61
Overall Study
NOT COMPLETED
5
6
1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Concomitant Vaccination With the Japanese Encephalitis Vaccine IC51 and HARVIX® 1440

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
IC51 and Placebo
n=65 Participants
6 mcg i.m. IC51 with 2 injections (day 0 and 28)and placebo 0.5 mL with 1 injection (day 0)
HAVRIX and Placebo
n=65 Participants
HAVRIX with 1 injection (day 0) and placebo 0.5 mL with 2 injections (day 0 and 28)
IC51 and HAVRIX
n=62 Participants
IC51 6 mcg i.m. with 2 injections (day 0 and 28) and HAVRIX with 1 injection (day 0)
Total
n=192 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
Age, Categorical
Between 18 and 65 years
65 Participants
n=5 Participants
65 Participants
n=7 Participants
62 Participants
n=5 Participants
192 Participants
n=4 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
Sex: Female, Male
Female
34 Participants
n=5 Participants
35 Participants
n=7 Participants
34 Participants
n=5 Participants
103 Participants
n=4 Participants
Sex: Female, Male
Male
31 Participants
n=5 Participants
30 Participants
n=7 Participants
28 Participants
n=5 Participants
89 Participants
n=4 Participants
Region of Enrollment
Europe
65 participants
n=5 Participants
65 participants
n=7 Participants
62 participants
n=5 Participants
192 participants
n=4 Participants

PRIMARY outcome

Timeframe: Day 56

Population: Per Protocol Population includes all randomized subjects without major protocol deviations

anti-JEV Neutralizing Antibodies were tabulated for IC51 groups only; for HAV GMTs (co-primary endpoint GMT for Hepatitis A Virus (HAV) Antibody at Day 28), please refer to "Outcome 2" within outcome measure section

Outcome measures

Outcome measures
Measure
IC51 and Placebo
n=58 Participants
IC51 and HAVRIX
n=58 Participants
Geometric Mean Titer (GMT) at Day 56 for Anti-JEV Neutralizing Antibodies
192.2 titers
Interval 147.9 to 249.8
202.7 titers
Interval 153.7 to 261.2

PRIMARY outcome

Timeframe: Day 28

Outcome measures

Outcome measures
Measure
IC51 and Placebo
n=52 Participants
IC51 and HAVRIX
n=58 Participants
GMT for Hepatitis A Virus (HAV) Antibody at Day 28
21.7 titers
Interval 17.2 to 27.5
24 titers
Interval 19.1 to 30.1

SECONDARY outcome

Timeframe: day 28 and 56

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: day 28 and 56

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: until 6 month after last vaccination

Rate of Adverse Events (AEs), Serious Adverse Events (SAEs) and medically attended AEs, local and systemic tolerability, changes in safety laboratory parameters (hematology, serum chemistry, urinalysis)

Outcome measures

Outcome data not reported

Adverse Events

IC51 and Placebo

Serious events: 1 serious events
Other events: 27 other events
Deaths: 0 deaths

HAVRIX and Placebo

Serious events: 0 serious events
Other events: 31 other events
Deaths: 0 deaths

IC51 and HAVRIX

Serious events: 0 serious events
Other events: 24 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
IC51 and Placebo
n=65 participants at risk
6 mcg i.m. IC51 with 2 injections (day 0 and 28)and placebo 0.5 mL with 1 injection (day 0)
HAVRIX and Placebo
n=65 participants at risk
HAVRIX with 1 injection (day 0) and placebo 0.5 mL with 2 injections (day 0 and 28)
IC51 and HAVRIX
n=62 participants at risk
IC51 6 mcg i.m. with 2 injections (day 0 and 28) and HAVRIX with 1 injection (day 0)
Nervous system disorders
Convulsion
1.5%
1/65 • Number of events 1
0.00%
0/65
0.00%
0/62

Other adverse events

Other adverse events
Measure
IC51 and Placebo
n=65 participants at risk
6 mcg i.m. IC51 with 2 injections (day 0 and 28)and placebo 0.5 mL with 1 injection (day 0)
HAVRIX and Placebo
n=65 participants at risk
HAVRIX with 1 injection (day 0) and placebo 0.5 mL with 2 injections (day 0 and 28)
IC51 and HAVRIX
n=62 participants at risk
IC51 6 mcg i.m. with 2 injections (day 0 and 28) and HAVRIX with 1 injection (day 0)
Ear and labyrinth disorders
Vertigo
1.5%
1/65
1.5%
1/65
3.2%
2/62
Musculoskeletal and connective tissue disorders
Myalgia
0.00%
0/65
1.5%
1/65
3.2%
2/62
General disorders
Fatique
3.1%
2/65
7.7%
5/65
8.1%
5/62
General disorders
Influenza like illness
9.2%
6/65
4.6%
3/65
4.8%
3/62
General disorders
Pyrexia
3.1%
2/65
0.00%
0/65
3.2%
2/62
Infections and infestations
Nasopharyngitis
6.2%
4/65
6.2%
4/65
8.1%
5/62
Infections and infestations
Cystitis
1.5%
1/65
1.5%
1/65
3.2%
2/62
Infections and infestations
Rhinitis
3.1%
2/65
0.00%
0/65
3.2%
2/62
Infections and infestations
Bronchitis
1.5%
1/65
0.00%
0/65
3.2%
2/62
Infections and infestations
Gastrointeritis
0.00%
0/65
1.5%
1/65
3.2%
2/62
Infections and infestations
Rash pustular
0.00%
0/65
3.1%
2/65
0.00%
0/62
Nervous system disorders
Headache
6.2%
4/65
15.4%
10/65
6.5%
4/62
Gastrointestinal disorders
Diarrhea
1.5%
1/65
1.5%
1/65
6.5%
4/62
Gastrointestinal disorders
Nausea
3.1%
2/65
3.1%
2/65
3.2%
2/62
Investigations
Hepatic enzyme increased
3.1%
2/65
1.5%
1/65
0.00%
0/62
Respiratory, thoracic and mediastinal disorders
Pharyngolaryngeal pain
4.6%
3/65
3.1%
2/65
0.00%
0/62

Additional Information

Katrin Dubischar-Kastner

Valneva Austria GmbH

Phone: +43 1 206 20

Results disclosure agreements

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

Restriction type: OTHER