Trial Outcomes & Findings for Immunogenicity and Safety of ADACEL™ as Fifth Dose in Taiwan (NCT NCT00258908)

NCT ID: NCT00258908

Last Updated: 2016-04-14

Results Overview

Immunogenicity profile of ADACEL™ (TdcP vaccine) antibody (anti-diphtheria, anti-tetanus, and anti-pertussis) responses at Day 0 and Day 28 Post-vaccination.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

115 participants

Primary outcome timeframe

Day 0 and Day 28 Post-vaccination

Results posted on

2016-04-14

Participant Flow

Study participants were enrolled from 01 November through 07 December 2005 in 1 medical clinic in Taiwan

A total of 115 participants that met the inclusion and exclusion criteria were recruited for the study; 112 were vaccinated and included in the final analysis and this report.

Participant milestones

Participant milestones
Measure
ADACEL™ Group
Participants received 1 dose of ADACEL™ (TdcP vaccine)
Overall Study
STARTED
112
Overall Study
COMPLETED
112
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Immunogenicity and Safety of ADACEL™ as Fifth Dose in Taiwan

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
ADACEL™ Group
n=112 Participants
Participants received 1 dose of ADACEL™ (TdcP vaccine)
Age, Categorical
<=18 years
112 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
Age, Continuous
6.8 years
STANDARD_DEVIATION 0.30 • n=5 Participants
Sex: Female, Male
Female
57 Participants
n=5 Participants
Sex: Female, Male
Male
55 Participants
n=5 Participants
Region of Enrollment
Taiwan
112 participants
n=5 Participants

PRIMARY outcome

Timeframe: Day 0 and Day 28 Post-vaccination

Population: Seroprotection to each vaccine antigen was evaluated in the per-protocol immunogenicity population

Immunogenicity profile of ADACEL™ (TdcP vaccine) antibody (anti-diphtheria, anti-tetanus, and anti-pertussis) responses at Day 0 and Day 28 Post-vaccination.

Outcome measures

Outcome measures
Measure
ADACEL™ Group
n=112 Participants
Participants received 1 dose of ADACEL™ (TdcP vaccine)
Percentage of Participants With Antibody (Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids) Responses Pre- and Post-vaccination
Anti-diphtheria (≥ 0.01 IU/mL, Day 0)
95 Percentage of participants
Percentage of Participants With Antibody (Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids) Responses Pre- and Post-vaccination
Anti-diphtheria (≥ 0.01 IU/mL, Day 28)
99 Percentage of participants
Percentage of Participants With Antibody (Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids) Responses Pre- and Post-vaccination
Anti-diphtheria (≥ 0.1 IU/mL, Day 0)
55 Percentage of participants
Percentage of Participants With Antibody (Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids) Responses Pre- and Post-vaccination
Anti-diphtheria (≥ 0.1 IU/mL, Day 28)
99 Percentage of participants
Percentage of Participants With Antibody (Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids) Responses Pre- and Post-vaccination
Anti-tetanus (≥ 0.01 IU/mL, Day 0)
100 Percentage of participants
Percentage of Participants With Antibody (Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids) Responses Pre- and Post-vaccination
Anti-tetanus (≥ 0.01 IU/mL, Day 28)
100 Percentage of participants
Percentage of Participants With Antibody (Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids) Responses Pre- and Post-vaccination
Anti-tetanus (≥ 0.1 IU/mL, Day 0)
90 Percentage of participants
Percentage of Participants With Antibody (Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids) Responses Pre- and Post-vaccination
Anti-tetanus (≥ 0.1 IU/mL, Day 28)
100 Percentage of participants
Percentage of Participants With Antibody (Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids) Responses Pre- and Post-vaccination
Anti-pertussis toxoid (≥4-fold rise, Day 28)
88 Percentage of participants
Percentage of Participants With Antibody (Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids) Responses Pre- and Post-vaccination
Anti-Filamentous Haemagglutinin ≥4-fold rise Day28
88 Percentage of participants
Percentage of Participants With Antibody (Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids) Responses Pre- and Post-vaccination
Anti-Fimbriae Types 2 & 3 (≥4-fold rise, Day 28)
87 Percentage of participants
Percentage of Participants With Antibody (Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids) Responses Pre- and Post-vaccination
Anti-Pertactin (≥4-fold rise, Day 28)
99 Percentage of participants

PRIMARY outcome

Timeframe: Day 0 and Day 28 post-vaccination

Population: Geometric Mean Titers were evaluated in the per-protocol immunogenicity population.

GMTs and 95% confidence intervals of anti-diphtheria, anti-tetanus, and anti-pertussis toxoids responses at Day 0 and Day 28 Post-vaccination.

Outcome measures

Outcome measures
Measure
ADACEL™ Group
n=112 Participants
Participants received 1 dose of ADACEL™ (TdcP vaccine)
Geometric Mean Titers (GMTs) of Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids Pre- and Post-vaccination
Anti-diphtheria - Day 0
0.120 Titers
Interval 0.093 to 0.156
Geometric Mean Titers (GMTs) of Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids Pre- and Post-vaccination
Anti-diphtheria - Day 28
4.87 Titers
Interval 3.67 to 6.47
Geometric Mean Titers (GMTs) of Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids Pre- and Post-vaccination
Anti-tetanus - Day 0
0.386 Titers
Interval 0.311 to 0.479
Geometric Mean Titers (GMTs) of Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids Pre- and Post-vaccination
Anti-tetanus - Day 28
18.8 Titers
Interval 15.9 to 22.2
Geometric Mean Titers (GMTs) of Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids Pre- and Post-vaccination
Anti-pertussis toxoid - Day 0
9.5 Titers
Interval 7.53 to 12.0
Geometric Mean Titers (GMTs) of Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids Pre- and Post-vaccination
Anti-pertussis toxoid - Day 28
189 Titers
Interval 147.0 to 243.0
Geometric Mean Titers (GMTs) of Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids Pre- and Post-vaccination
Anti-Filamentous Haemagglutinin - Day 0
16.7 Titers
Interval 13.1 to 21.4
Geometric Mean Titers (GMTs) of Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids Pre- and Post-vaccination
Anti-Filamentous Haemagglutinin - Day 28
234 Titers
Interval 203.0 to 269.0
Geometric Mean Titers (GMTs) of Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids Pre- and Post-vaccination
Anti-Fimbriae Types 2 and 3 - Day 0
31.2 Titers
Interval 24.8 to 39.1
Geometric Mean Titers (GMTs) of Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids Pre- and Post-vaccination
Anti-Fimbriae Types 2 and 3 - Day 28
940 Titers
Interval 697.0 to 1268.0
Geometric Mean Titers (GMTs) of Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids Pre- and Post-vaccination
Anti-Pertactin - Day 0
8.89 Titers
Interval 7.02 to 11.3
Geometric Mean Titers (GMTs) of Anti-diphtheria, Anti-tetanus, and Anti-pertussis Toxoids Pre- and Post-vaccination
Anti-Pertactin - Day 28
312 Titers
Interval 251.0 to 388.0

SECONDARY outcome

Timeframe: Within 8 days of vaccination

Population: Safety analysis was on all enrolled and vaccinated participants, intend-to-treat population.

The percentage of participants reporting solicited injection site and systemic reactions within 8 days after vaccination with ADACEL™ (TdcP vaccine) when given as a fifth dose

Outcome measures

Outcome measures
Measure
ADACEL™ Group
n=112 Participants
Participants received 1 dose of ADACEL™ (TdcP vaccine)
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Grade 3 Malaise (prevents daily activities)
0 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Any solicited injection site reaction
67 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Any Injection site pain
59 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Gd3 Injection site pain(inj limb movement reduced)
4 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Any Injection site erythema
33 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Grade 3 Injection site erythema (≥ 5 cm)
6 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Any Injection site swelling
37 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Grade 3 Injection site swelling (≥ 5 cm)
5 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Any solicited systemic reaction
58 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Any Fever
10 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Grade 3 Fever (≥ 39.0 °C)
0 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Any Headache
17 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Grade 3 Headache (prevents daily activities)
1 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Any Malaise
31 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Any Myalgia
53 Percentage of Participants
Percentage of Participants Reporting Solicited Injection Site and Systemic Reactions Post-vaccination
Grade 3 Myalgia (prevents daily activities)
1 Percentage of Participants

Adverse Events

ADACEL™ Group

Serious events: 0 serious events
Other events: 10 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
ADACEL™ Group
n=112 participants at risk
Participants received 1 dose of ADACEL™ (TdcP vaccine)
Infections and infestations
Nasopharyngitis
8.9%
10/112 • Number of events 11 • Adverse events data were collected from day of vaccination to 28 days 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