A Phase III, Randomized, Observer Blind, Multicenter Study to Evaluate the Safety and Immunogenicity of Repeated Exposure to Either the Same or Alternate Type of Vaccine, Adjuvanted or Non-adjuvanted Quadrivalent Subunit Influenza Virus Vaccine (aQIV or QIV), Administered to Subjects Previously Vaccinated in Trial V118_05 (NCT01964989)
试验速览
- 阶段
- 3 期
- 状态
- 已完成
- 发起方
- 入组人数
- 1,601
- 试验地点
- 34
- 主要终点
- Immunogenicity Endpoint: Geometric Mean Titer (GMT) and GMT Ratio as Determined by Hemagglutination Inhibition (HI) Assay on Day 22 Against Homologous Strains (aQIV-primed Comparison), Noninferiority Analysis
研究概览
简要总结
Safety, Immunogenicity of an Adjuvanted Quadrivalent Subunit Influenza Virus Vaccine Compared to Non-Adjuvanted Comparator Influenza Vaccine in Children Previously vaccinated in Trial V118_05. Subjects will receive either the Same or Alternate Type of Vaccine.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Prevention
- 盲法
- Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
入排标准
- 年龄范围
- 12 Months 至 7 Years(Child)
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •In order to participate in this study, all subjects must meet ALL of the inclusion criteria described.
- •Subject's parent/legal guardian has voluntarily given written informed consent after the nature of the study has been explained according to local regulatory requirements, prior to study entry.
- •Male or female subject who has completed their Visit 13 (Study Day 366 for non-naïve subjects) or clinic Visit 15 (Day 390 for naïve subjects) in parent trial V118_
- •For naïve subjects in parent trial V118_05 to have received two doses of the same study vaccine (i.e. 2 doses of aQIV or 2 doses of QIV).
排除标准
- •Previous immunization with any influenza vaccine (licensed or investigational) within 6 months prior to enrollment.
- •Subjects with a clinical condition representing a contraindication to intramuscular vaccination or blood draws.
- •Unwillingness of the parent(s)/ legal guardian(s) of the subject to refuse to participate in another clinical trial while enrolled in V118-05E
- •Additional eligibility criteria may be discussed by contacting the site.
结局指标
主要结局
Immunogenicity Endpoint: Geometric Mean Titer (GMT) and GMT Ratio as Determined by Hemagglutination Inhibition (HI) Assay on Day 22 Against Homologous Strains (aQIV-primed Comparison), Noninferiority Analysis
时间窗: Day 22
GMT and 95% confidence interval (CI) were analyzed for Day 22 against homologous strains using ANCOVA with study specific covariates. Strains tested: A/H1N1 California/07/2009; A/H3N2 Switzerland/9715293/2013; B/Victoria Brisbane/60/2008; B/Yamagata Phuket/3073/2013.
Immunogenicity Endpoint: GMT and GMT Ratio as Determined by HI Assay on Day 22 Against Homologous Strains (aQIV-primed Comparison), Superiority Analysis
时间窗: Day 22
GMT and 95% CI were analyzed for Day 22 against homologous strains using ANCOVA with study specific covariates. Strains tested: A/H1N1 California/07/2009; A/H3N2 Switzerland/9715293/2013; B/Victoria Brisbane/60/2008; B/Yamagata Phuket/3073/2013.
次要结局
- Immunogenicity Endpoint: GMT and GMT Ratio as Determined by HI Assay on Day 181 Against Homologous Strains (aQIV-primed and QIV-primed Comparison)(Day 181)
- Immunogenicity Endpoint: GMR as Determined by HI Assay for Day 22/Day 1 and Day 181/Day 1 Against Heterologous Strains(Day 22/Day 1 and Day 181/Day 1)
- Safety Endpoint: Percentage of Subjects With Unsolicited AEs(Day 1 to Day 366)
- Immunogenicity Endpoint: Percentage of Subjects Achieving SCR and HI Titer ≥1:40 on Day 22 and Day 181 Against Heterologous Strains(Day 22, Day 181)
- Immunogenicity Endpoint: GMT as Determined by Microneutralization (MN) Assay on Day 1, Day 22, and Day 181 Against Homologous Strains(Day 1, Day 22, Day 181)
- Safety Endpoint: Percentage of Subjects With Otitis Media, or Pneumonia, or Influenza-like Illness(Day 1 to Day 366)
- Immunogenicity Endpoint: Percentage of Subjects With MN Titer ≥1:20, ≥1:40, ≥1:80, ≥1:160, ≥1:320 and ≥1:640 on Day 22 and Day 181 Against Homologous Strains(Day 22, Day 181)
- Immunogenicity Endpoint: Seroconversion Rate (SCR) on Day 22 Against Homologous Strains (aQIV-primed and QIV-primed Comparison)(Day 1, Day 22)
- Immunogenicity Endpoints: Percentage of Subjects With HI Titer ≥1:110, ≥1:151, ≥1:215, ≥1:330 and ≥1:629 on Day 22 Against Homologous Strains(Day 22)
- Immunogenicity Endpoint: GMT and GMT Ratio as Determined by HI Assay on Day 22 Against Homologous Strains (QIV-primed Comparison)(Day 22)
- Immunogenicity Endpoint: GMR as Determined by MN Assay for Day 22/Day 1 and Day 181/Day 1 Against Homologous Strains(Day 22/Day 1 and Day 181/Day 1)
- Safety Endpoint: Percentage of Subjects With Solicited AEs(Day 1 to Day 7 after vaccination)
- Immunogenicity Endpoint: Geometric Mean Ratio (GMR) as Determined by HI Assay for Day 22/Day 1 and Day 181/Day 1 for Against Homologous Strains(Day 22, Day 181)
- Immunogenicity Endpoint: Percentage of Subjects With HI Titer ≥1:40 on Day 22 and Day 181 Against Homologous Strains(Day 22, Day 181)
- Immunogenicity Endpoint: GMT as Determined by HI Assay on Day 1, Day 22, and Day 181 Against Heterologous Strains(Day 1, Day 22, Day 181)
- Immunogenicity Endpoint: Anti-neuraminidase (NA) GMTs on Day 1, Day 22, and Day 181 Against Homologous Strains(Day 1, Day 22, Day 181)
- Immunogenicity Endpoint: Anti-NA GMR for Day 22/Day 1 and Day 181/Day 1 Against Homologous Strains(Day 22/Day 1 and Day 181/Day 1)
- Safety Endpoint: Percentage of Subjects With Serious Adverse Events (SAE), AEs Leading to Withdrawal, New Onset of Chronic Disease (NOCD), AE of Special Interest (AESI), and Medically Attended AE.(Day 1 to Day 366)
- Safety Endpoint: Percentage of Subjects With Diagnosis of Failure to Thrive or Short Stature(Day 1 to Day 366)
- Immunogenicity Endpoint: Percentage of Subjects Achieving Anti-NA Titers ≥1:20, ≥1:40, ≥1:80, ≥1:160, ≥1:320 and ≥1:640 on Days 22 and 181 Against Homologous Strains(Day 22, Day 181)
