Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
| NCT ID | Title | Phase | Status | Enrollment | Velocity | Design | Start | Completion | Last Updated | Sites | Countries |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NCT01711736 | Study to Evaluate Immunogenicity and Safety of GlaxoSmithKline (GSK) Biologicals' Quadrivalent Influenza Vaccine GSK2282512A When Administered to Children 6 to 35 Months of Age | PHASE3 | COMPLETED | 606 | — | — | Nov 1, 2012 | Jun 19, 2013 | Nov 1, 2021 | 8 | Canada, Dominican Republic +1 |
A seroconverted subject was defined as a vaccinated subject with either a pre-vaccination titer less than (\<) 1:10 and a post-vaccination titer greater than or equal to (≥) 1:40, or a pre-vaccination titer ≥ 1:10 and at least a 4-fold increase in post-vaccination titer. The vaccine strains assessed were Flu A/CAL/7/09 (H1N1), Flu A/Victoria/361/11 (H3N2), Flu B/Hubei-Wujiagang/158/09 (Yamagata) and Flu B/Bri/60/08 (Victoria). This outcome concerns solely subjects in the GSK2282512A Group.
Solicited local symptoms assessed were pain, redness and swelling. Any was defined as occurrence of the specified solicited local symptom regardless of its intensity. Grade 3 pain was defined as pain that prevented normal everyday activities. Grade 3 swelling was greater than 100 millimeters (mm) i.e. \>100mm.
Solicited general symptoms assessed were drowsiness, irritability/fussiness and loss of appetite. Any was defined as any solicited general symptom reported irrespective of intensity and relationship to vaccination. Related was defined as symptoms assessed by the investigator to have a causal relationship to vaccination. Grade 3 irritability/fussiness was defined as crying that could not be comforted/prevented normal activity. Grade 3 loss of appetite was defined as not eating at all. Grade 3 drowsiness was defined as drowsiness that prevented normal activity.
Any fever was defined as any fever ≥38.0 degrees Celsius (°C) irrespective of intensity and relationship to vaccination. Related was defined as symptoms assessed by the investigator to have a causal relationship to vaccination. Grade 3 fever was defined as fever ≥39.0 °C.
| Arm | Type | Description |
|---|---|---|
| GSK2282512A Group | EXPERIMENTAL | Subjects aged between 6 to 35 months inclusive received 1 dose (primed subjects) at Day 0 and 2 doses (unprimed subjects) at Days 0 and 28 of quadrivalent influenza GSK2282512A vaccine. Quadrivalent influenza GSK2282512A vaccine was administered intramuscularly in the left anterolateral thigh (subjects \< 12 months of age) or the deltoid muscle (subjects ≥ 12 months of age). |
| Fluarix Group | ACTIVE_COMPARATOR | Subjects aged between 6 to 35 months inclusive received 1 dose (primed subjects) at Day 0 and 2 doses (unprimed subjects) at Days 0 and 28 of Fluarix vaccine. Fluarix vaccine was administered intramuscularly in the left anterolateral thigh (subjects \< 12 months of age) or the deltoid muscle (subjects ≥ 12 months of age). |
| Name | Type | Description |
|---|---|---|
| Quadrivalent influenza GSK2282512A vaccine | BIOLOGICAL | 1 or 2 doses administered intramuscularly (IM) in deltoid muscle or anterolateral thigh on Day 0 (primed subjects) and on Day 0 and Day 28 (unprimed subjects) respectively. |
| Fluarix | BIOLOGICAL | 1 or 2 doses administered IM in deltoid muscle or anterolateral thigh, on Day 0 (primed subjects) and on Day 0 and Day 28 (unprimed subjects) respectively. |
Inclusion Criteria: * Subject's parent(s)/Legally Acceptable Representative(s) \[LAR(s)\] who, in the opinion of the investigator, can and will comply with the requirements of the protocol. * A male or female between, and including, 6 and 35 months of age at the time of the first vaccination. * Wri...