Boostrix

Seropositivity is defined as antibody concentrations (anti-PT, anti-FHA and anti-PRN) are greater than or equal to the assessed assay cut-offs. The considered cut-off values are: anti-PT: 2.693 International Units per milliliter (IU/mL), anti-FHA: 2.046 IU/mL, anti-PRN: 2.187 IU/mL, as measured by Enzyme-Linked Immunosorbent assay (ELISA).

Seroprotection is defined as anti-diphtheria and anti- tetanus antibody concentrations being \>=0.1 IU/mL as measured by ELISA.

Seropositivity is defined as antibody concentrations (anti-PT, anti-FHA and anti-PRN) are greater than or equal to the assessed assay cut-offs. The considered cut-off values are: anti-PT: 2.693 International Units per milliliter (IU/mL), anti-FHA: 2.046 IU/mL, anti-PRN: 2.187 IU/mL, as measured by Enzyme-Linked Immunosorbent assay (ELISA).

A seroprotected subject was a subject whose anti-D concentrations were greater than or equal to (≥) 0.1 International units per milliliter (IU/ml). Seroprotection was assessed by enzyme-linked immunosorbent assay (ELISA) method. In addition, sera with ELISA concentrations \<0.1 IU/ml were tested for neutralising antibodies using a Vero-cell neutralisation assay. Both the ELISA test (antibody concentrations ≥ 0.1 IU/ml) and Vero-cell test (antibody concentration ≥ 0.01 IU/ml) defined the seroprotection status for the primary endpoint.

A seroprotected subject was a subject whose anti-T concentrations were ≥ 0.1 IU/ml. Seroprotection was assessed by ELISA method.

A seropositive subject was a subject whose antibody concentration was greater than or equal to the assay cut-off value. Assay cut-off was 2.693 IU/mL for anti-PT, 2.046 IU/mL for anti-FHA and 2.187 IU/mL for anti-PRN respectively.

Assessed solicited local symptoms were pain, redness and swelling. Any = occurrence of the symptom regardless of intensity grade. Grade 3 pain = pain that prevented normal activity. Grade 3 redness/swelling = redness/swelling spreading beyond 100 millimeters (mm) of injection site. Relationship analysis was not performed.

Assessed solicited general symptoms were fatigue, gastrointestinal symptoms, headache and temperature \[defined as axillary temperature equal to or above 37.5 degrees Celsius (°C)\]. Any = occurrence of the symptom regardless of intensity grade. Grade 3 symptom = symptom that prevented normal activity. Grade 3 fever = fever \> 39.0 °C. Related = symptom assessed by the investigator as related to the vaccination.

An unsolicited AE covers any untoward medical occurrence in a clinical investigation subject temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product and reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms.

Serious adverse events (SAEs) assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization or result in disability/incapacity.

A seroprotected subject was defined as a subject with anti-D/anti-T antibody concentrations above or equal (≥) to 0.1 IU/mL (international units per milliliter)

Concentrations were expressed in geometric mean concentrations (GMCs).

A seroprotected subject was defined as a vaccinated subject with anti-D and anti-T antibody concentrations greater than or equal to (≥) 0.1 international units per milliliter (IU/mL).

Antibody concentrations were presented as geometric mean concentrations (GMCs) for the seroprotection cut-off of ≥0.1 IU/mL.

A seroprotected subject was defined as a vaccinated subject with anti-PRP antibody concentration ≥ 0.15 micrograms per milliliter (µg/mL).

Antibody concentrations were presented as geometric mean concentrations (GMCs) for the seroprotection cut-off of ≥ 0.15 µg/mL.

A seroprotected subject was defined as a vaccinated subject with anti-polio type 1, 2 and 3 antibody concentrations ≥ the cut-off value of 8 Estimated Dose 50% (ED50). ED50 is the estimated serum dilution reducing the signal generated by viral infection with 50%.

Antibody titers were presented as geometric mean titers (GMTs) for the seroprotection cut-off of ≥ 8.

A seropositive subject was defined as a vaccinated subject with anti-PT, anti-FHA and anti-PRN antibody concentration ≥ 5 enzyme-linked immunosorbent assay (ELISA) units per milliliter (EL.U/ml).

Antibody concentrations were presented as geometric mean concentrations (GMCs) for the seropositivity cut-off of ≥ 5 EL.U/mL.

A seroprotected subject was defined as a vaccinated subject with anti-D and anti-T antibody concentrations greater than or equal to (≥) 0.1 IU/mL.

A seroprotected subject was defined as a vaccinated subject with anti-PRP antibody concentration ≥ 0.15 µg/mL.

A seroprotected subject was defined as a vaccinated subject with anti-PRP antibody concentrations ≥ 0.15 µg/mL.

A seroprotected subject was defined as a vaccinated subject with anti-polivirus antibody concentration ≥ 8 ED50. ED50 is the estimated serum dilution reducing the signal generated by viral infection with 50%.

A seropositive subject was defined as a vaccinated subject with anti-PT, anti-FHA and anti-PRN antibody concentrations ≥ 5 ELISA units per milliliter (EL.U/mL).

Antibody concentrations were presented as geometric mean concentrations (GMCs) for the seropositivity cut-off of ≥ 5 EL.U/mL.

Booster response was defined as the appearance of antibodies in subjects who were initially seronegative (i.e. with concentrations \< cut-off value) or at least maintenance of pre-vaccination antibody concentrations in subjects who were initially seropositive (i.e. with concentrations ≥ cut-off value), taking into consideration the decreasing maternal antibodies.

Antibodies against vaccine antigens assessed were: anti-diphtheria (anti-D) and anti-tetanus (anti-T). Anti-D antibody cut-off value assessed was ≥ 0.1 International Unit per milliliter (IU/mL) Anti-T antibody cut-off values assessed were ≥ 0.1 IU/mL and ≥ 1.0 IU/mL

Concentration for anti-PT, anti-FHA and anti-PRN antibodies given as geometric mean concentration (GMC) in Enzyme-Linked Immuno Sorbent Assay (ELISA) units per millilitre (EL.U/mL)

Geometric mean concentrations are given in microgram per milliliter (μg/mL).

Geometric mean concentrations are given in international Unit per milliliter (IU/mL).

Geometric mean concentrations are given in IU/mL.

Geometric mean concentrations are given in Enzyme-Linked Immuno Sorbent Assay (ELISA) unit per milliliter (EL.U/mL).

Assay cut-offs indicating seroprotection or seropositivity for the different antigens were the following: anti-PRP antibody concentrations ≥ 0.15 µg/mL, anti-diphtheria and anti-tetanus antibody concentrations ≥ 0.1 IU/mL, anti-PT, anti-FHA and anti-PRN antibody concentrations ≥ 20 EL.U/mL.

Anti-D cut-off was defined as ≥ 0.1 International Units per milliliter (IU/mL) determined with Enzyme-linked Immunosorbent Assay (ELISA)

Anti-D cut-off was defined as ≥ 0.1 IU/mL as assessed by ELISA

Anti-T cut-off was defined as ≥ 0.1 IU/mL as assessed by ELISA.

Anti-T cut-off was defined as ≥ 0.1 IU/mL as assessed by ELISA.

Number of subjects with anti-D and anti-T concentrations ≥ 0.1 IU/mL and 1 IU/mL were tabulated

Anti-PT, anti-FHA and anti-PRN antibody concentrations were measured by ELISA, tabulated as GMCs and expressed in IU/mL.

A booster response was defined as: for initially seronegative subjects (S-) (pre-vaccination concentration below cut-off: \< 0.1 IU/mL) antibody concentrations at least four times the cut-off (post vaccination concentration ≥ 0.4 IU/mL); for initially seropositive subjects (S+) (pre-vaccination concentration ≥ 0.1 IU/mL): an increase in antibody concentrations of at least four times the pre-vaccination concentration; Total = subjects either seropositive or seronegative.

Booster response was defined as: for subjects with pre-vaccination antibody concentration \< 5 EL.U/mL (S-): antibody concentration ≥ 20 EL.U/mL; for subjects with pre-vaccination antibody concentration ≥ 5 EL.U/mL and \< 20 EL.U/mL (S+, \<4\*cut-off): antibody concentration at least four times the pre-vaccination concentration; for subjects with pre-vaccination antibody concentration ≥ 20 EL.U/mL (S+, ≥4\*cut-off): antibody concentration at least two times the pre-vaccination concentration; Total = subjects either seropositive or seronegative

A seroprotected subject was defined as a vaccinated subject with anti-D and anti-T antibody concentrations higher than or equal to (≥) 0.1 international units per milliliter (IU/mL).

A seroprotected subject was defined as a vaccinated subject with an anti-PRP antibody concentration higher than or equal to (≥) 0.15 microgram/milliliter (µg/mL).

The vaccine response was defined as it follows: * for PT and FHA, an antibody concentration higher than or equal to (≥) 20 EL.U/mL at post-vaccination; * for PRN, at least a 4-fold increase in antibody concentration from pre-vaccination to post-vaccination time points.

A seroprotected subject is defined as a vaccinated subject with anti-D and anti-T antibody concentration greater than or equal to ( ≥) 0.1 international units per milliliter (IU/mL).

A seropositive subject was a subject whose antibody concentration was greater than or equal to the cut-off value. Cut-off values assessed were greater than or equal to 1.0 international units per milliliter (IU/mL).

Booster responses for anti-PT, anti-FHA and anti-PRN antibodies were defined as: for initially seronegative subjects (pre-vaccination concentration below cut-off: smaller than (\<) 5 EU/mL): antibody concentrations at least four times the cut-off (post-vaccination concentration greater than or equal to (≥) 20 EU/mL), one month after vaccination; for initially seropositive subjects with pre-vaccination concentration ≥ 5 EU/mL and \< 20 EU/mL: an increase in antibody concentrations of at least four times the pre-vaccination concentration one month after vaccination; and for initially seropositive subjects with pre-vaccination concentration ≥ 20 EU/mL: an increase in antibody concentrations of at least two times the pre-vaccination concentration, one month after vaccination.

Subjects are defined as being anti-HAV seropositive if their anti-HAV antibody concentration is ≥ 15 milli-International Units per milliliter (mIU/mL).

Subjects are defined as being anti-diphtheria, anti-tetanus and anti-PRP seroprotected if their anti-diphtheria and anti-tetanus antibody concentration is ≥ 0.1 International Units per milliliter (IU/mL) and if their anti-PRP antibody concentration is ≥ 1 microgram per milliliter (μg/mL), respectively.

Subjects are considered as being vaccine responders if they were initially seronegative and become seropositive (≥ 5 Enzyme Linked Immunosorbent Assay Units per Milliliter (EL.U/mL)), or were initially seropositive and have a 2-fold increase above pre-study concentrations.

Concentrations are given as geometric mean concentrations (GMCs) expressed as milli-international units per milliliter (mIU/mL).

Anti-HAV antibody cut-off value assessed include 15 milli-international units per milliliter (mIU/mL).

Seroconversion is defined as the appearance of antibodies with titers greater than or equal to the predefined cut-off value in the serum of subject seronegative before vaccination. Cut-off values assessed include 150 milli-international units per milliliter (mIU/mL) for anti-measles antibodies, 28 Effective Dose 50 (ED50) for anti-mumps antibodies and 1:5 for anti-varicella antibodies.

Vaccine response is defined as the appearance of antibodies with titers greater than or equal to the predefined cut-off value in the serum of subject seronegative before vaccination. Cut-off value assessed include 10 milli-international units per milliliter (mIU/mL).