Adults 6 Weeks to 49, any sex, with Poliomyelitis. Patients with the condition only — healthy volunteers not accepted.
Results — posted to ClinicalTrials.gov
Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.
Percentage of Participants With Solicited Local Reactions Within 7-day Period (Including Day of Vaccination) After First Primary Immunization Dose of sIPV in Infant Dose Ranging Cohort by Severity on Day 1Primary· Within 7 days of the First Dose given on Day 1
Solicited local AEs (at injection site) were collected by participants using diary cards within 7 days after vaccination and included pain (none, mild: no interference with daily activity, moderate: interference with daily activity with or without treatment, severe: prevents daily activity with or without treatment), erythema, induration and swelling (any: \<25 mm, mild: \>25 - ≤ 50 mm, moderate: \> 50 - ≤ 100 mm, severe: \> 100 mm). Data is only reported for those categories with at least 1 participant.
Pain: First Dose (Day 1), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
84.2
Infant Dose Ranging Cohort: sIPV Medium Dose
69.2
Infant Dose Ranging Cohort: sIPV High Dose
80.4
Pain: First Dose (Day 1), Mild
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
26.3
Infant Dose Ranging Cohort: sIPV Medium Dose
30.8
Infant Dose Ranging Cohort: sIPV High Dose
41.1
Pain: First Dose (Day 1), Moderate
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
31.6
Infant Dose Ranging Cohort: sIPV Medium Dose
17.3
Infant Dose Ranging Cohort: sIPV High Dose
25.0
Pain: First Dose (Day 1), Severe
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
26.3
Infant Dose Ranging Cohort: sIPV Medium Dose
21.2
Infant Dose Ranging Cohort: sIPV High Dose
14.3
Erythema: First Dose (Day 1), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
5.3
Infant Dose Ranging Cohort: sIPV Medium Dose
1.9
Infant Dose Ranging Cohort: sIPV High Dose
0
Induration: First Dose (Day 1), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
1.8
Infant Dose Ranging Cohort: sIPV Medium Dose
3.9
Infant Dose Ranging Cohort: sIPV High Dose
0
Induration: First Dose (Day 1), Moderate
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
0
Infant Dose Ranging Cohort: sIPV Medium Dose
2.0
Infant Dose Ranging Cohort: sIPV High Dose
0
Swelling: First Dose (Day 1), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
1.8
Infant Dose Ranging Cohort: sIPV Medium Dose
7.8
Infant Dose Ranging Cohort: sIPV High Dose
0
Percentage of Participants With Solicited Local Reactions Within 7-day Period (Including Day of Vaccination) After Second Primary Immunization Dose of sIPV in Infant Dose Ranging Cohort by Severity on Day 29Primary· Within 7 days of the Second Dose given on Day 29
Solicited local AEs (at injection site) were collected by participants using diary cards within 7 days after vaccination and included pain (none, mild: no interference with daily activity, moderate: interference with daily activity with or without treatment, severe: prevents daily activity with or without treatment), erythema, induration and swelling (any: \<25 mm, mild: \>25 - ≤ 50 mm, moderate: \> 50 - ≤ 100 mm, severe: \> 100 mm). Data is only reported for those categories with at least 1 participant.
Pain: Second Dose (Day 29), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
48.2
Infant Dose Ranging Cohort: sIPV Medium Dose
47.9
Infant Dose Ranging Cohort: sIPV High Dose
61.8
Pain: Second Dose (Day 29), Mild
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
30.4
Infant Dose Ranging Cohort: sIPV Medium Dose
25.0
Infant Dose Ranging Cohort: sIPV High Dose
36.4
Pain: Second Dose (Day 29), Moderate
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
14.3
Infant Dose Ranging Cohort: sIPV Medium Dose
16.7
Infant Dose Ranging Cohort: sIPV High Dose
18.2
Pain: Second Dose (Day 29), Severe
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
3.6
Infant Dose Ranging Cohort: sIPV Medium Dose
6.3
Infant Dose Ranging Cohort: sIPV High Dose
7.3
Erythema: Second Dose (Day 29), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
1.8
Infant Dose Ranging Cohort: sIPV Medium Dose
2.1
Infant Dose Ranging Cohort: sIPV High Dose
0
Induration: Second Dose (Day 29), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
0
Infant Dose Ranging Cohort: sIPV Medium Dose
2.1
Infant Dose Ranging Cohort: sIPV High Dose
0
Swelling: Second Dose (Day 29), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
0
Infant Dose Ranging Cohort: sIPV Medium Dose
4.2
Infant Dose Ranging Cohort: sIPV High Dose
0
Swelling: Second Dose (Day 29), Mild
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
0
Infant Dose Ranging Cohort: sIPV Medium Dose
2.1
Infant Dose Ranging Cohort: sIPV High Dose
0
Percentage of Participants With Solicited Local Reactions Within 7-day Period (Including Day of Vaccination) After Third Primary Immunization Dose of sIPV in Infant Dose Ranging Cohort by Severity on Day 57Primary· Within 7 Days of the Third Dose given on Day 57
Solicited local AEs (at injection site) were collected by participants using diary cards within 7 days after vaccination and included pain (none, mild: no interference with daily activity, moderate: interference with daily activity with or without treatment, severe: prevents daily activity with or without treatment), erythema, induration and swelling (any: \<25 mm, mild: \>25 - ≤ 50 mm, moderate: \> 50 - ≤ 100 mm, severe: \> 100 mm). Data is only reported for those categories with at least 1 participant.
Pain: Third Dose (Day 57), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
46.4
Infant Dose Ranging Cohort: sIPV Medium Dose
44.4
Infant Dose Ranging Cohort: sIPV High Dose
49.1
Pain: Third Dose (Day 57), Mild
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
33.9
Infant Dose Ranging Cohort: sIPV Medium Dose
31.1
Infant Dose Ranging Cohort: sIPV High Dose
34.0
Pain: Third Dose (Day 57), Moderate
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
8.9
Infant Dose Ranging Cohort: sIPV Medium Dose
8.9
Infant Dose Ranging Cohort: sIPV High Dose
11.3
Pain: Third Dose (Day 57), Severe
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
3.6
Infant Dose Ranging Cohort: sIPV Medium Dose
4.4
Infant Dose Ranging Cohort: sIPV High Dose
3.8
Erythema: Third Dose (Day 57), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
0
Infant Dose Ranging Cohort: sIPV Medium Dose
2.2
Infant Dose Ranging Cohort: sIPV High Dose
1.9
Swelling: Third Dose (Day 57), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
1.8
Infant Dose Ranging Cohort: sIPV Medium Dose
0
Infant Dose Ranging Cohort: sIPV High Dose
0
Percentage of Participants With Solicited Systemic Adverse Events (AEs) Within 7-day Period (Including Day of Vaccination) After First Primary Immunization Dose of sIPV in Infant Dose Ranging Cohort by Severity on Day 1Primary· Within 7 days of the First Dose given on Day 1
Solicited systemic AEs were collected within 7 days after vaccination using a diary and included drowsiness, graded as 0-behavior as usual, 1-mild: drowsiness easily tolerated, 2-moderate: drowsiness that interferes with normal activity and 3-severe: prevents normal activity with or without treatment; irritability/fussiness, graded as 0-behavior as usual, mild: crying more than usual/no effect on normal activity, moderate: crying more than usual/interferes with normal activity and severe: crying that cannot be comforted/prevents normal; loss of appetite, graded as 0-apetite as usual, mild: eat
Drowsiness: First Dose (Day 1), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
49.1
Infant Dose Ranging Cohort: sIPV Medium Dose
48.1
Infant Dose Ranging Cohort: sIPV High Dose
47.3
Drowsiness: First Dose (Day 1), Mild
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
38.6
Infant Dose Ranging Cohort: sIPV Medium Dose
32.7
Infant Dose Ranging Cohort: sIPV High Dose
23.6
Drowsiness: First Dose (Day 1), Moderate
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
8.8
Infant Dose Ranging Cohort: sIPV Medium Dose
13.5
Infant Dose Ranging Cohort: sIPV High Dose
21.8
Drowsiness: First Dose (Day 1), Severe
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
1.8
Infant Dose Ranging Cohort: sIPV Medium Dose
1.9
Infant Dose Ranging Cohort: sIPV High Dose
1.8
Irritability: First Dose (Day 1), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
56.1
Infant Dose Ranging Cohort: sIPV Medium Dose
57.7
Infant Dose Ranging Cohort: sIPV High Dose
58.2
Irritability: First Dose (Day 1), Mild
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
28.1
Infant Dose Ranging Cohort: sIPV Medium Dose
28.8
Infant Dose Ranging Cohort: sIPV High Dose
29.1
Irritability: First Dose (Day 1), Moderate
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
21.1
Infant Dose Ranging Cohort: sIPV Medium Dose
19.2
Infant Dose Ranging Cohort: sIPV High Dose
18.2
Irritability: First Dose (Day 1), Severe
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
7.0
Infant Dose Ranging Cohort: sIPV Medium Dose
9.6
Infant Dose Ranging Cohort: sIPV High Dose
10.9
Percentage of Participants With Solicited Systemic Adverse Events (AEs) Within 7-day Period (Including Day of Vaccination) After Second Primary Immunization Dose of sIPV in Infant Dose Ranging Cohort by Severity on Day 29Primary· Within 7 days of the Second Dose given on Day 29
Solicited systemic AEs were collected within 7 days after vaccination using a diary and included drowsiness, graded as 0-behavior as usual, 1-mild: drowsiness easily tolerated, 2-moderate: drowsiness that interferes with normal activity and 3-severe: prevents normal activity with or without treatment; irritability/fussiness, graded as 0-behavior as usual, mild: crying more than usual/no effect on normal activity, moderate: crying more than usual/interferes with normal activity and severe: crying that cannot be comforted/prevents normal; loss of appetite, graded as 0-apetite as usual, mild: eat
Drowsiness: Second Dose (Day 29), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
30.4
Infant Dose Ranging Cohort: sIPV Medium Dose
20.8
Infant Dose Ranging Cohort: sIPV High Dose
36.4
Drowsiness: Second Dose (Day 29), Mild
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
19.6
Infant Dose Ranging Cohort: sIPV Medium Dose
18.8
Infant Dose Ranging Cohort: sIPV High Dose
25.5
Drowsiness: Second Dose (Day 29), Moderate
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
10.7
Infant Dose Ranging Cohort: sIPV Medium Dose
2.1
Infant Dose Ranging Cohort: sIPV High Dose
10.9
Irritability: Second Dose (Day 29), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
37.5
Infant Dose Ranging Cohort: sIPV Medium Dose
33.3
Infant Dose Ranging Cohort: sIPV High Dose
45.5
Irritability: Second Dose (Day 29), Mild
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
19.6
Infant Dose Ranging Cohort: sIPV Medium Dose
25.0
Infant Dose Ranging Cohort: sIPV High Dose
30.9
Irritability: Second Dose (Day 29), Moderate
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
10.7
Infant Dose Ranging Cohort: sIPV Medium Dose
6.3
Infant Dose Ranging Cohort: sIPV High Dose
9.1
Irritability: Second Dose (Day 29), Severe
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
7.1
Infant Dose Ranging Cohort: sIPV Medium Dose
2.1
Infant Dose Ranging Cohort: sIPV High Dose
5.5
Loss of Appetite: Second Dose (Day 29), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
14.3
Infant Dose Ranging Cohort: sIPV Medium Dose
10.4
Infant Dose Ranging Cohort: sIPV High Dose
18.2
Percentage of Participants With Solicited Systemic Adverse Events (AEs) Within 7-day Period (Including Day of Vaccination) After Third Primary Immunization Dose of sIPV in Infant Dose Ranging Cohort by Severity on Day 57Primary· Within 7 Days of the Third Dose given on Day 57
Solicited systemic AEs were collected within 7 days after vaccination using a diary and included drowsiness, graded as 0-behavior as usual, 1-mild: drowsiness easily tolerated, 2-moderate: drowsiness that interferes with normal activity and 3-severe: prevents normal activity with or without treatment; irritability/fussiness, graded as 0-behavior as usual, mild: crying more than usual/no effect on normal activity, moderate: crying more than usual/interferes with normal activity and severe: crying that cannot be comforted/prevents normal; loss of appetite, graded as 0-apetite as usual, mild: eat
Drowsiness: Third Dose (Day 57), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
38.2
Infant Dose Ranging Cohort: sIPV Medium Dose
21.7
Infant Dose Ranging Cohort: sIPV High Dose
32.1
Drowsiness: Third Dose (Day 57), Mild
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
25.5
Infant Dose Ranging Cohort: sIPV Medium Dose
21.7
Infant Dose Ranging Cohort: sIPV High Dose
26.4
Drowsiness: Third Dose (Day 57), Moderate
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
12.7
Infant Dose Ranging Cohort: sIPV Medium Dose
0
Infant Dose Ranging Cohort: sIPV High Dose
5.7
Irritability: Third Dose (Day 57), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
40.0
Infant Dose Ranging Cohort: sIPV Medium Dose
26.1
Infant Dose Ranging Cohort: sIPV High Dose
37.7
Irritability: Third Dose (Day 57), Mild
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
27.3
Infant Dose Ranging Cohort: sIPV Medium Dose
21.7
Infant Dose Ranging Cohort: sIPV High Dose
28.3
Irritability: Third Dose (Day 57), Moderate
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
5.5
Infant Dose Ranging Cohort: sIPV Medium Dose
2.2
Infant Dose Ranging Cohort: sIPV High Dose
7.5
Irritability: Third Dose (Day 57), Severe
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
7.3
Infant Dose Ranging Cohort: sIPV Medium Dose
2.2
Infant Dose Ranging Cohort: sIPV High Dose
1.9
Loss of Appetite: Third Dose (Day 57), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
10.9
Infant Dose Ranging Cohort: sIPV Medium Dose
6.5
Infant Dose Ranging Cohort: sIPV High Dose
13.2
Percentage of Participants With a Body Temperature ≥ 38°C (Defined as Fever) During the 7-day Period (Including Day of Vaccination) After First Primary Immunization Dose of sIPV on Day 1Primary· Within 7 days of the First Dose given on Day 1
A systemic adverse event (AE) of fever (defined as ≥38°C or ≥100.4°F) was derived from a daily temperature reading recorded within 7 days after each Immunization. Data is only reported for those categories with at least 1 participant.
Fever: First Dose (Day 1), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
15.8
Infant Dose Ranging Cohort: sIPV Medium Dose
17.3
Infant Dose Ranging Cohort: sIPV High Dose
23.6
Fever: First Dose (Day 1), 38.0°C - 38.4°C
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
8.8
Infant Dose Ranging Cohort: sIPV Medium Dose
9.6
Infant Dose Ranging Cohort: sIPV High Dose
14.5
Fever: First Dose (Day 1), 38.5°C - 38.9°C
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
7.0
Infant Dose Ranging Cohort: sIPV Medium Dose
7.7
Infant Dose Ranging Cohort: sIPV High Dose
9.1
Percentage of Participants With a Body Temperature ≥ 38°C (Defined as Fever) During the 7-day Period (Including Day of Vaccination) After Second Primary Immunization Dose of sIPV on Day 29Primary· Within 7 days of the Second Dose given on Day 29
A systemic AE of fever (defined as ≥38°C or ≥100.4°F) was derived from a daily temperature reading recorded within 7 days after each Immunization. Data is only reported for those categories with at least 1 participant.
Fever: Second Dose (Day 29), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
7.1
Infant Dose Ranging Cohort: sIPV Medium Dose
6.4
Infant Dose Ranging Cohort: sIPV High Dose
14.8
Fever: Second Dose (Day 29), 38.0°C - 38.4°C
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
3.6
Infant Dose Ranging Cohort: sIPV Medium Dose
2.1
Infant Dose Ranging Cohort: sIPV High Dose
11.1
Fever: Second Dose (Day 29), 38.5°C - 38.9°C
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
3.6
Infant Dose Ranging Cohort: sIPV Medium Dose
2.1
Infant Dose Ranging Cohort: sIPV High Dose
3.7
Fever: Second Dose (Day 29), 39.0°C - 39.4°C
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
0
Infant Dose Ranging Cohort: sIPV Medium Dose
2.1
Infant Dose Ranging Cohort: sIPV High Dose
0
Percentage of Participants With a Body Temperature ≥ 38°C (Defined as Fever) During the 7-day Period (Including Day of Vaccination) After Third Primary Immunization Dose of sIPV on Day 57Primary· Within 7 days of the Third Dose given on Day 57
A systemic AE of fever (defined as ≥38°C or ≥100.4°F) was derived from a daily temperature reading recorded within 7 days after each Immunization. Data is only reported for those categories with at least 1 participant.
Fever: Third Dose (Day 57), Any
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
9.1
Infant Dose Ranging Cohort: sIPV Medium Dose
8.7
Infant Dose Ranging Cohort: sIPV High Dose
15.4
Fever: Third Dose (Day 57), 38.0°C - 38.4°C
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
9.1
Infant Dose Ranging Cohort: sIPV Medium Dose
6.5
Infant Dose Ranging Cohort: sIPV High Dose
3.8
Fever: Third Dose (Day 57), 38.5°C - 38.9°C
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
0
Infant Dose Ranging Cohort: sIPV Medium Dose
0
Infant Dose Ranging Cohort: sIPV High Dose
7.7
Fever: Third Dose (Day 57), 39.0°C - 39.4°C
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
0
Infant Dose Ranging Cohort: sIPV Medium Dose
2.2
Infant Dose Ranging Cohort: sIPV High Dose
1.9
Fever: Third Dose (Day 57), 39.5°C - 39.9°C
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
0
Infant Dose Ranging Cohort: sIPV Medium Dose
0
Infant Dose Ranging Cohort: sIPV High Dose
1.9
Percentage of Participants Experiencing Non-serious Unsolicited AEs Within the 28-day Period (Including Day of Vaccination) After Each Primary Immunization Dose of sIPV in Infant Dose Ranging CohortPrimary· Within 28 days of primary vaccinations given on Days 1, 29 and 57 (Up to Day 85)
An AE is defined as any untoward medical occurrence in a participant who has enrolled in a study; it does not necessarily have a causal relationship with this treatment. Non-serious unsolicited AEs indicates any and all AEs (other than serious adverse events \[SAEs\]) that occurred other than those that are solicited.
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
28.8
Infant Dose Ranging Cohort: sIPV Medium Dose
28.3
Infant Dose Ranging Cohort: sIPV High Dose
31.7
Percentage of Participants Experiencing SAEs Throughout the Entire Trial Duration in the sIPV Study Arms in Infant Dose Ranging CohortPrimary· Day 1 up to Day 547
An SAE is defined as any untoward medical occurrence or effect that at any dose results in death, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect or is medically important due to other reasons than the above mentioned criteria.
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
13.6
Infant Dose Ranging Cohort: sIPV Medium Dose
8.3
Infant Dose Ranging Cohort: sIPV High Dose
8.3
Percentage of Participants With SeroconversionPrimary· Day 85
Seroconversion is defined as i) initially seronegative infants (titer \<8 at Day 1) having a titer ≥8 at Day 85, or ii) initially seropositive infants (titer ≥8 at Day 1) with a 4-fold rise in antibody titers over the expected level of maternal antibodies at Day 85, calculated using a decline from the Day 1 titer with a half-life of 28 days.
Sabin Type 1: Day 85
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
63.0
48.7 – 75.7
Infant Dose Ranging Cohort: sIPV Medium Dose
77.8
62.9 – 88.8
Infant Dose Ranging Cohort: sIPV High Dose
86.0
73.3 – 94.2
Infant Dose Ranging Cohort: Reference IPV
92.5
81.8 – 97.9
Sabin Type 2: Day 85
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
68.5
54.4 – 80.5
Infant Dose Ranging Cohort: sIPV Medium Dose
77.8
62.9 – 88.8
Infant Dose Ranging Cohort: sIPV High Dose
90.0
78.2 – 96.7
Infant Dose Ranging Cohort: Reference IPV
94.3
84.3 – 98.8
Sabin Type 3, Day 85
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
96.3
87.3 – 99.5
Infant Dose Ranging Cohort: sIPV Medium Dose
100
92.1 – 100
Infant Dose Ranging Cohort: sIPV High Dose
96.0
86.3 – 99.5
Infant Dose Ranging Cohort: Reference IPV
96.2
87.0 – 99.5
Salk Type 1: Day 85
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
37.0
24.3 – 51.3
Infant Dose Ranging Cohort: sIPV Medium Dose
53.3
37.9 – 68.3
Infant Dose Ranging Cohort: sIPV High Dose
68.0
53.3 – 80.5
Infant Dose Ranging Cohort: Reference IPV
96.2
87.0 – 99.5
Salk Type 2: Day 85
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
35.2
22.7 – 49.4
Infant Dose Ranging Cohort: sIPV Medium Dose
55.6
40.0 – 70.4
Infant Dose Ranging Cohort: sIPV High Dose
70.0
55.4 – 82.1
Infant Dose Ranging Cohort: Reference IPV
96.2
87.0 – 99.5
Salk Type 3: Day 85
Group
Value
95% CI
Infant Dose Ranging Cohort: sIPV Low Dose
90.7
79.7 – 96.9
Infant Dose Ranging Cohort: sIPV Medium Dose
93.3
81.7 – 98.6
Infant Dose Ranging Cohort: sIPV High Dose
94.0
83.5 – 98.7
Infant Dose Ranging Cohort: Reference IPV
94.3
84.3 – 98.8
Adverse events — posted to ClinicalTrials.gov
Time frame: Up to Day 8 for Adults, Day 183 for Toddlers and Day 597 for Infants.
Reporting threshold: 5%.
Adverse-event reports describe events observed during the trial — not all are caused by the drug.
The purpose of this study is to select the optimal antigen dosage of the three Sabin poliovirus strains (types 1, 2, and 3) entering the composition of the stand-alone trivalent Sabin-based inactivated poliomyelitis vaccine (sIPV) to take forward into advanced stage studies. The selection will be carried out comparing the three sIPV study arms based on the safety and tolerability profile after each dose of primary immunization and the immune response to poliovirus types 1, 2, and 3 for both Sabin and Salk strains, after the final dose of a three dose primary immunization series (Day 85).
Publications & conference data
1 peer-reviewed publication reference this trial (live from Europe PMC):
NCT07457060 — Phase IV Clinical Study of Sequential Vaccination of Sabin Strain and Wild Strain Inactivated Poliovirus Vaccine
· Phase 4
· recruiting
NCT06895486 — Study of Co-administered (Types 1 & 2) Novel Oral Poliomyelitis Vaccines Evaluation
· Phase 2
· recruiting
NCT07354269 — Phase IV Clinical Study of sIPV Administration in Adolescent and Adult Populations
· Phase 4
· recruiting
NCT06137664 — Study of Trivalent and Bivalent (Types 1 & 2) Novel Oral Poliomyelitis Vaccines
· Phase 1, PHASE2
· recruiting
NCT05644184 — Study of a Novel Type 1 Oral Poliomyelitis Vaccine in Bangladesh
· Phase 2
· recruiting
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Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by Takeda
Last refreshed: 31 January 2020
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03092791.