PRNT (Subtype A) GMT
Geometric Mean Titers (GMTs) based on RSV-specific Plaque Reduction Neutralization Test (PRNT; against subtype A). Individual peak is defined as the maximum post-Baseline antibody titer up to the end of the respective active trial phase i.e., within 8 weeks for the main study and within 4 weeks for the booster substudy. Titers below the detection limit (DL) are included with a value of '10' (i.e. 1/2 DL)
Percentage of Participants With Response by PRNT (Subtype A)
Response rate based on RSV-specific Plaque Reduction Neutralization Test (PRNT; against subtype A). Response is defined as the appearance of antibody titers ≥ detection limit (20) for initially seronegative subjects, or a doubling or more of the antibody titer compared to Baseline titer for initially seropositive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Individual peak response rate is based on the maximum post-Baseline antibody titer up to the end of the respective active trial phase i.e., within 8 weeks for the main study and within 4 weeks for the booster substudy. Percentages based on number of subjects with data available.
PRNT (Subtype B) GMT
Geometric Mean Titers (GMTs) based on RSV-specific Plaque Reduction Neutralization Test (PRNT; against subtype B). Individual peak is defined as the maximum post-Baseline antibody titer up to the end of the respective active trial phase i.e., within 8 weeks for the main study and within 4 weeks for the booster substudy. Titers below the detection limit (DL) are included with a value of '10' (i.e. 1/2 DL)
Percentage of Participants With Response by PRNT (Subtype B)
Response rate based on RSV-specific Plaque Reduction Neutralization Test (PRNT; against subtype B). Response is defined as the appearance of antibody titers ≥ detection limit (20) for initially seronegative subjects, or a doubling or more of the antibody titer compared to Baseline titer for initially seropositive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Individual peak response rate is based on the maximum post-Baseline antibody titer up to the end of the respective active trial phase i.e., within 8 weeks for the main study and within 4 weeks for the booster substudy. Percentages based on number of subjects with data available.
ELISA (IgG) GMT
Geometric Mean Titers (GMTs) based on RSV-specific Immunoglobulin G (IgG) Enzyme-linked Immunosorbent Assay (ELISA). Individual peak is defined as the maximum post-Baseline antibody titer up to the end of the respective active trial phase i.e., within 8 weeks for the main study and within 4 weeks for the booster substudy. Titers below the detection limit (DL) are included with a value of '31.5' (i.e. 1/2 DL)
Percentage of Participants With Response by IgG ELISA
Response rate based on RSV-specific Immunoglobulin G (IgG) Enzyme-linked Immunosorbent Assay (ELISA). Response is defined as the appearance of antibody titers ≥ detection limit (63) for initially seronegative subjects, or a doubling or more of the antibody titer compared to Baseline titer for initially seropositive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Individual peak response rate is based on the maximum post-Baseline antibody titer up to the end of the respective active trial phase i.e., within 8 weeks for the main study and within 4 weeks for the booster substudy. Percentages based on number of subjects with data available.
ELISA (IgA) GMT
Geometric Mean Titers (GMTs) based on RSV-specific Immunoglobulin A (IgA) Enzyme-linked Immunosorbent Assay (ELISA). Individual peak is defined as the maximum post-Baseline antibody titer up to the end of the respective active trial phase i.e., within 8 weeks for the main study and within 4 weeks for the booster substudy. Titers below the detection limit (DL) are included with a value of '50' (i.e. 1/2 DL)
Percentage of Participants With Response by IgA ELISA
Response rate based on RSV-specific Immunoglobulin A (IgA) Enzyme-linked Immunosorbent Assay (ELISA). Response is defined as the appearance of antibody titers ≥ detection limit (100) for initially seronegative subjects, or a doubling or more of the antibody titer compared to Baseline titer for initially seropositive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Individual peak response rate is based on the maximum post-Baseline antibody titer up to the end of the respective active trial phase i.e., within 8 weeks for the main study and within 4 weeks for the booster substudy. Percentages based on number of subjects with data available.
ELISA (Mucosal IgA) GMT
Geometric Mean Titers (GMTs) based on mucosal RSV-specific Immunoglobulin A (IgA) Enzyme-linked Immunosorbent Assay (ELISA). Individual peak is defined as the maximum post-Baseline antibody titer up to the end of the respective active trial phase i.e., within 8 weeks for the main study and within 4 weeks for the booster substudy. Titers below the detection limit (DL) are included with a value of '1' (i.e. 1/2 DL)
Percentage of Participants With Response by Mucosal IgA ELISA
Response rate based on mucosal RSV-specific Immunoglobulin A (IgA) Enzyme-linked Immunosorbent Assay (ELISA). Response is defined as the appearance of antibody titers ≥ detection limit (2) for initially negative subjects, or a doubling or more of the antibody titer compared to Baseline titer for initially positive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Individual peak response rate is based on the maximum post-Baseline antibody titer up to the end of the respective active trial phase i.e., within 8 weeks for the main study and within 4 weeks for the booster substudy. Percentages based on number of subjects with data available.
ELISPOT (IFN-g, Peptide Pool: F) GMSFU
Geometric Mean Spot Forming Units (GMSFUs) based on RSV-specific Interferon-gamma (IFN-g) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool F. Values below the detection limit (DL) are included with a value of '25' (i.e. 1/2 DL)
ELISPOT (IFN-g, Peptide Pool: G(A)) GMSFU
Geometric Mean Spot Forming Units (GMSFUs) based on RSV-specific Interferon-gamma (IFN-g) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool G(A). Values below the detection limit (DL) are included with a value of '25' (i.e. 1/2 DL)
ELISPOT (IFN-g, Peptide Pool: G(B)) GMSFU
Geometric Mean Spot Forming Units (GMSFUs) based on RSV-specific Interferon-gamma (IFN-g) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool G(B). Values below the detection limit (DL) are included with a value of '25' (i.e. 1/2 DL)
ELISPOT (IFN-g, Peptide Pool: M2) GMSFU
Geometric Mean Spot Forming Units (GMSFUs) based on RSV-specific Interferon-gamma (IFN-g) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool M2. Values below the detection limit (DL) are included with a value of '25' (i.e. 1/2 DL)
ELISPOT (IFN-g, Peptide Pool: N) GMSFU
Geometric Mean Spot Forming Units (GMSFUs) based on RSV-specific Interferon-gamma (IFN-g) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool N. Values below the detection limit (DL) are included with a value of '25' (i.e. 1/2 DL)
ELISPOT (IL-4, Peptide Pool: F) GMSFU
Geometric Mean Spot Forming Units (GMSFUs) based on RSV-specific Interleukin 4 (IL-4) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool F. Values below the detection limit (DL) are included with a value of '25' (i.e. 1/2 DL)
ELISPOT (IL-4, Peptide Pool: G(A)) GMSFU
Geometric Mean Spot Forming Units (GMSFUs) based on RSV-specific Interleukin 4 (IL-4) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool G(A). Values below the detection limit (DL) are included with a value of '25' (i.e. 1/2 DL)
ELISPOT (IL-4, Peptide Pool: G(B)) GMSFU
Geometric Mean Spot Forming Units (GMSFUs) based on RSV-specific Interleukin 4 (IL-4) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool G(B). Values below the detection limit (DL) are included with a value of '25' (i.e. 1/2 DL)
ELISPOT (IL-4, Peptide Pool: M2) GMSFU
Geometric Mean Spot Forming Units (GMSFUs) based on RSV-specific Interleukin 4 (IL-4) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool M2. Values below the detection limit (DL) are included with a value of '25' (i.e. 1/2 DL)
ELISPOT (IL-4, Peptide Pool: N) GMSFU
Geometric Mean Spot Forming Units (GMSFUs) based on RSV-specific Interleukin 4 (IL-4) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool N. Values below the detection limit (DL) are included with a value of '25' (i.e. 1/2 DL)
Percentage of Participants With Response by ELISPOT (IFN-g, Peptide Pool: F)
Response rate based on RSV-specific Interferon-gamma (IFN-g) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool F. Response is defined as the appearance of spot forming units ≥ detection limit (50) for initially negative subjects, or a doubling or more of the spot forming units compared to Baseline for initially positive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Percentages based on number of subjects with paired data available, i.e. number of subjects with results available for the respective time point and the corresponding Baseline.
Percentage of Participants With Response by ELISPOT (IFN-g, Peptide Pool: G(A))
Response rate based on RSV-specific Interferon-gamma (IFN-g) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool G(A). Response is defined as the appearance of spot forming units ≥ detection limit (50) for initially negative subjects, or a doubling or more of the spot forming units compared to Baseline for initially positive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Percentages based on number of subjects with paired data available, i.e. number of subjects with results available for the respective time point and the corresponding Baseline.
Percentage of Participants With Response by ELISPOT (IFN-g, Peptide Pool: G(B))
Response rate based on RSV-specific Interferon-gamma (IFN-g) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool G(B). Response is defined as the appearance of spot forming units ≥ detection limit (50) for initially negative subjects, or a doubling or more of the spot forming units compared to Baseline for initially positive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Percentages based on number of subjects with paired data available, i.e. number of subjects with results available for the respective time point and the corresponding Baseline.
Percentage of Participants With Response by ELISPOT (IFN-g, Peptide Pool: M2)
Response rate based on RSV-specific Interferon-gamma (IFN-g) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool M2. Response is defined as the appearance of spot forming units ≥ detection limit (50) for initially negative subjects, or a doubling or more of the spot forming units compared to Baseline for initially positive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Percentages based on number of subjects with paired data available, i.e. number of subjects with results available for the respective time point and the corresponding Baseline.
Percentage of Participants With Response by ELISPOT (IFN-g, Peptide Pool: N)
Response rate based on RSV-specific Interferon-gamma (IFN-g) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool N. Response is defined as the appearance of spot forming units ≥ detection limit (50) for initially negative subjects, or a doubling or more of the spot forming units compared to Baseline for initially positive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Percentages based on number of subjects with paired data available, i.e. number of subjects with results available for the respective time point and the corresponding Baseline.
Percentage of Participants With Response by ELISPOT (IL-4, Peptide Pool: F)
Response rate based on RSV-specific Interleukin 4 (IL-4) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool F. Response is defined as the appearance of spot forming units ≥ detection limit (50) for initially negative subjects, or a doubling or more of the spot forming units compared to Baseline for initially positive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Percentages based on number of subjects with paired data available, i.e. number of subjects with results available for the respective time point and the corresponding Baseline.
Percentage of Participants With Response by ELISPOT (IL-4, Peptide Pool: G(A))
Response rate based on RSV-specific Interleukin 4 (IL-4) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool G(A). Response is defined as the appearance of spot forming units ≥ detection limit (50) for initially negative subjects, or a doubling or more of the spot forming units compared to Baseline for initially positive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Percentages based on number of subjects with paired data available, i.e. number of subjects with results available for the respective time point and the corresponding Baseline.
Percentage of Participants With Response by ELISPOT (IL-4, Peptide Pool: G(B))
Response rate based on RSV-specific Interleukin 4 (IL-4) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool G(B). Response is defined as the appearance of spot forming units ≥ detection limit (50) for initially negative subjects, or a doubling or more of the spot forming units compared to Baseline for initially positive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Percentages based on number of subjects with paired data available, i.e. number of subjects with results available for the respective time point and the corresponding Baseline.
Percentage of Participants With Response by ELISPOT (IL-4, Peptide Pool: M2)
Response rate based on RSV-specific Interleukin 4 (IL-4) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool M2. Response is defined as the appearance of spot forming units ≥ detection limit (50) for initially negative subjects, or a doubling or more of the spot forming units compared to Baseline for initially positive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Percentages based on number of subjects with paired data available, i.e. number of subjects with results available for the respective time point and the corresponding Baseline.
Percentage of Participants With Response by ELISPOT (IL-4, Peptide Pool: N)
Response rate based on RSV-specific Interleukin 4 (IL-4) Enzyme-linked Immuno Spot Technique (ELISPOT) for the Peptide Pool N. Response is defined as the appearance of spot forming units ≥ detection limit (50) for initially negative subjects, or a doubling or more of the spot forming units compared to Baseline for initially positive subjects. Response for main study visits is based on main study Baseline, whereas response for booster study visits is based on booster substudy Baseline. Percentages based on number of subjects with paired data available, i.e. number of subjects with results available for the respective time point and the corresponding Baseline.
Memory B Cells (IgG) GMSFU
Geometric Mean Spot Forming Units (GMSFUs) based on RSV-specific Immunoglobulin G (IgG)-producing memory B cells. Negative results (i.e. results below 0.01) are included with a value of '0.005'
Serious Adverse Events
Number of participants reporting Serious Adverse Events per period: Between 1st and 2nd vaccination (Vaccination Period 1, Main Study, duration: 4 weeks), between 2nd vaccination and end of active phase of the Main Study (Vaccination Period 2, Main Study, duration: 4 weeks), during the follow-up phase of the Main Study (Follow-Up, Main Study, duration: 22 weeks), after the Main Study and before the booster vaccination (Between Study Parts [retrospectively collected in booster substudy], duration: 26 weeks), between booster vaccination and end of active phase of the Booster Substudy (Booster Vaccination Period, Booster Substudy, duration: 4 weeks), and during the follow-up phase of the Booster Substudy (Follow-Up, Booster Substudy, duration: 48 weeks). Percentages based on number of subjects still in the study at the start of the respective period.
Related Serious Adverse Events
Number of participants reporting Serious Adverse Events possibly, probably or definitely related to the trial vaccine per period: Between 1st and 2nd vaccination (Vaccination Period 1, Main Study, duration: 4 weeks), between 2nd vaccination and end of active phase of the Main Study (Vaccination Period 2, Main Study, duration: 4 weeks), during the follow-up phase of the Main Study (Follow-Up, Main Study, duration: 22 weeks), after the Main Study and before the booster vaccination (Between Study Parts [retrospectively collected in booster substudy], duration: 26 weeks), between booster vaccination and end of active phase of the Booster Substudy (Booster Vaccination Period, Booster Substudy, duration: 4 weeks), and during the follow-up phase of the Booster Substudy (Follow-Up, Booster Substudy, duration: 48 weeks). Percentages based on number of subjects still in the study at the start of the respective period.
Grade ≥ 3 Serious Adverse Events
Number of participants reporting Serious Adverse Events with intensity ≥ Grade 3 per period: Between 1st and 2nd vaccination (Vaccination Period 1, Main Study, duration: 4 weeks), between 2nd vaccination and end of active phase of the Main Study (Vaccination Period 2, Main Study, duration: 4 weeks), during the follow-up phase of the Main Study (Follow-Up, Main Study, duration: 22 weeks), after the Main Study and before the booster vaccination (Between Study Parts [retrospectively collected in booster substudy], duration: 26 weeks), between booster vaccination and end of active phase of the Booster Substudy (Booster Vaccination Period, Booster Substudy, duration: 4 weeks), and during the follow-up phase of the Booster Substudy (Follow-Up, Booster Substudy, duration: 48 weeks). Percentages based on number of subjects still in the study at the start of the respective period.
Related Grade ≥ 3 Adverse Events
Number of participants reporting Adverse Events possibly, probably or definitely related to the trial vaccine with intensity ≥ Grade 3 per period: Following the 1st vaccination (Vaccination Period 1, Main Study), following the 2nd vaccination (Vaccination Period 2, Main Study), and following the booster vaccination (Booster Vaccination Period, Booster Substudy). Pooled solicited (general only) and unsolicited AEs. Percentages based on number of subjects still in the study at the start of the respective period.
Solicited Local Adverse Events
Incidence of injection site reactions (solicited via diary cards) after vaccination: Following the 1st vaccination (Vaccination Period 1, Main Study), following the 2nd vaccination (Vaccination Period 2, Main Study), and following the booster vaccination (Booster Vaccination Period, Booster Substudy). Percentages based on number of subjects with a completed diary card for the respective vaccination period.
Grade ≥ 3 Solicited Local Adverse Events
Incidence of injection site reactions (solicited via diary cards) with intensity ≥ Grade 3 after vaccination: Following the 1st vaccination (Vaccination Period 1, Main Study), following the 2nd vaccination (Vaccination Period 2, Main Study), and following the booster vaccination (Booster Vaccination Period, Booster Substudy). Percentages based on number of subjects with a completed diary card for the respective vaccination period.
Solicited General Adverse Events
Incidence of systemic reactions (solicited via diary cards) after vaccination: Following the 1st vaccination (Vaccination Period 1, Main Study), following the 2nd vaccination (Vaccination Period 2, Main Study), and following the booster vaccination (Booster Vaccination Period, Booster Substudy). Percentages based on number of subjects with a completed diary card for the respective vaccination period.
Grade ≥ 3 Solicited General Adverse Events
Incidence of systemic reactions (solicited via diary cards) with intensity ≥ Grade 3 after vaccination: Following the 1st vaccination (Vaccination Period 1, Main Study), following the 2nd vaccination (Vaccination Period 2, Main Study), and following the booster vaccination (Booster Vaccination Period, Booster Substudy). Percentages based on number of subjects with a completed diary card for the respective vaccination period.
Related Solicited General Adverse Events
Incidence of systemic reactions (solicited via diary cards) possibly, probably or definitely related to the trial vaccine after vaccination: Following the 1st vaccination (Vaccination Period 1, Main Study), following the 2nd vaccination (Vaccination Period 2, Main Study), and following the booster vaccination (Booster Vaccination Period, Booster Substudy). Percentages based on number of subjects with a completed diary card for the respective vaccination period.
Unsolicited Non-serious Adverse Events
Incidence of unsolicited non-serious adverse events by period: Following the 1st vaccination (Vaccination Period 1, Main Study), following the 2nd vaccination (Vaccination Period 2, Main Study), and following the booster vaccination (Booster Vaccination Period, Booster Substudy). Percentages based on number of subjects having received the respective vaccination.
Related Unsolicited Non-serious Adverse Events
Incidence of unsolicited non-serious adverse events possibly, probably or definitely related to the trial vaccine by period: Following the 1st vaccination (Vaccination Period 1, Main Study), following the 2nd vaccination (Vaccination Period 2, Main Study), and following the booster vaccination (Booster Vaccination Period, Booster Substudy). Percentages based on number of subjects having received the respective vaccination.
Grade ≥ 3 Unsolicited Non-serious Adverse Events
Incidence of unsolicited non-serious adverse events with intensity ≥ Grade 3 by period: Following the 1st vaccination (Vaccination Period 1, Main Study), following the 2nd vaccination (Vaccination Period 2, Main Study), and following the booster vaccination (Booster Vaccination Period, Booster Substudy). Percentages based on number of subjects having received the respective vaccination.