Immunogenicity Study of the Antibody Persistence and Booster Effect of DTaP-Hep B-PRP-T Combined Vaccine at 12 to 18 Months of Age Following a Primary Series at 6, 10 and 14 Weeks of Age in Healthy Filipino Infants Having Received Hepatitis B Vaccine at Birth
试验速览
- 阶段
- 3 期
- 状态
- 已完成
- 入组人数
- 1,843
- 试验地点
- 1
- 主要终点
- Number of Participants With Antibody Persistence and Immunogenicity Booster Response to Vaccination With DTaP-Hep B-PRP~T Concomitantly With Oral Polio Vaccine (OPV)
研究概览
简要总结
DTaP-HB-PRP~T combined vaccine is being developed in order to comply with expanding programs for immunization in infancy, while offering the benefit of a reduced number of injections, and potentially of an increased acceptance.
Primary Objectives:
- To describe the antibody persistence at 12 to 18 months following a three-dose primary series vaccination of either DTaP-HB-PRP~T or Tritanrix-Hep B/Hib™ given at 6, 10 and 14 weeks of age, and one dose of Hepatitis B (Hep B) vaccine given at birth.
- To describe the effect of a booster dose of DTaP-HB-PRP~T on immunogenicity at 12 to 18 months following a three-dose primary series vaccination of either DTaP-HB-PRP~T or Tritanrix HepB/Hib™ given at 6, 10 and 14 weeks of age, and one dose of Hep B vaccine given at birth.
Secondary Objective:
- To describe the safety profile of the booster dose of the DTaP-HB-PRP~T vaccine when administered concomitantly with Oral Polio Vaccine (OPV).
详细描述
This study will assess the immunogenicity and reactogenicity of the investigational DTaP-HB-PRP~T combined vaccine when given as a booster dose, concomitantly with OPV, in Filipino children previously primed at 6, 10, and 14 weeks with the investigational DTaP-HB-PRP~T combined vaccine or Tritanrix-Hep B/Hib™ vaccine and having received a first dose of Hep B vaccine (Recomvax B™) at birth in a previous study, AL201 (NCT00348881).
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
- None
入排标准
- 年龄范围
- 12 Months 至 18 Months（Child）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Toddler aged 12 to 18 months of age on the day of inclusion (range: 365 days to 578 days of age inclusive)
- •Participated in the AL201 study and completed the three-dose primary series with either DTaP-HB-PRP~T or Tritanrix-HepB/Hib™, and OPV, at 6, 10 and 14 weeks of age, and received hepatitis B vaccine at birth
- •Informed consent form signed by one parent or legal representative if appropriate (independent witness mandatory if parent is illiterate)
- •Able to attend all scheduled visits and to comply with all trial procedures
排除标准
- •Participation in another clinical trial in the 4 weeks preceding the trial vaccination
- •Planned participation in another clinical trial during the present trial period
- •Congenital or acquired immunodeficiency, immunosuppressive therapy such as long-term (for more than 2 weeks) systemic corticosteroid therapy within the preceding 3 months
- •Known systemic hypersensitivity to any of the vaccine components or history of a life-threatening reaction to a vaccine containing the same substances
- •Chronic illness at a stage that could interfere with trial conduct or completion
- •Blood or blood-derived products received in the last 3 months
- •Any vaccination in the 4 weeks preceding the trial vaccination
- •Vaccination planned in the 4 weeks following the trial vaccination
- •Febrile (temperature ≥ 38.0°C) or acute illness on the day of inclusion
- •History of documented diphtheria, tetanus, pertussis, Haemophilus influenzae type b, hepatitis B or poliomyelitis infection(s) (confirmed either clinically, serologically, or microbiologically)
- •Vaccination with a vaccine containing diphtheria, tetanus, pertussis, Haemophilus influenzae type b, hepatitis B or poliovirus 3 types antigen, since the end of the primary series
- •Thrombocytopenia or a bleeding disorder contraindicating IM vaccination
- •Serious adverse event related to any vaccination in the AL201 study.
结局指标
主要结局
Number of Participants With Antibody Persistence and Immunogenicity Booster Response to Vaccination With DTaP-Hep B-PRP~T Concomitantly With Oral Polio Vaccine (OPV)
时间窗: Day 0 (pre-vaccination) and Day 28 post-booster vaccination
Immunogenicity was assessed by means of radioimmunoassay (RIA) for anti-Hepatitis B (Hep Bs) and anti-PRP antibodies, enzyme immunoassay (EIA) for anti-Tetanus, and serum neutralization (SN) for anti-Diphtheria. Booster responses defined as titers ≥ 10 mIU/mL for anti-Hep Bs; ≥ 0.15 μg/mL for anti-PRP; ≥ 0.01 IU/mL for anti-Tetanus and anti-Diphtheria; Pertussis Toxoid and Filamentous Hemagglutinin (FHA) 4-fold increase and booster response.
次要结局
- Number of Participants Reporting Solicited Injection Site Reaction or Systemic Reactions Following Vaccination With a Booster Dose of the DTaP-Hep B-PRP~T Combined Vaccine Concomitantly With Oral Polio Vaccine (OPV)(Day 0 up to Day 7 after vaccination)
- Geometric Mean Titers (GMTs) of Vaccine Antibodies After Booster Vaccination With DTaP-Hep B-PRP~T Combined Vaccine Concomitantly With Oral Polio Vaccine (OPV)(Day 0 (pre-vaccination) and Day 28 post-vaccination)