An Immunogenicity and Safety Study of Tetanus, Diphtheria and Acellular Pertussis Vaccine Booster (Tdap Booster)
An Immunogenicity and Safety Study of Combined Adsorbed Tetanus, Low Dose Diphtheria and Acellular Pertussis Vaccine (Td5ap and Td1aP) Given as a School-leaving Booster to 14-15-year-old Children Primed With a Five Component Acellular Pertussis Vaccine at 3, 5 and 12 Months of Age, and a Booster Dose at 5½ Years of Age
調査の概要
詳細な説明
The vaccines in the study are COVAXIS (Td5ap), Sanofi Pasteur Canada, and diTekiBooster (Td1aP), Statens Serum Institut, Denmark.
The primary objective of the study is to describe the immune response to diphtheria toxin, tetanus toxoid, pertussis toxin, filamentous haemagglutinin (FHA), fimbriae 2/3 and pertactin four weeks after immunization with Td1aP and Td5ap.
The secondary objectives include:
- describing the safety of a fith dose of DTP vaccines in 14-15 year-old children by observing systemic and local adverse reactions
- describing pre-booster antibody levels
- describing pre-booster and post-booster IgG and IgA levels in saliva
- describing in a subpopulation the pre-booster and post-booster T cell immune responses as determined by the production of cytokines
- describing in a subpopulation the pre-booster and post-booster B cell immune responses as determined by the number of effector and memory B-cells
The sample size is 400 subjects (200 in group 1 and 200 in group 2). It will be an open-label, randomized, multi-centre study in which group 1 will receive Td5ap as a single injection and group 2 will receive Td1aP as a single injection. DTP antibodies will be measured before and 28 days (+ 14 days) after Td5ap and Td1aP vaccination. The proportion of children with positive IgG antibody response will be measured in each study arm. Sera will be tested blindly by established ELISA methods and saliva samples will be analyzed by exploratory assays. In a subpopulation cellmediated immunity will be analyzed. The safety evaluation criteria will be the percentage of subjects with adverse events describing injection-site adverse reactions, systemic adverse events, daily temperatures and serious adverse events.
研究の種類
入学 (予想される)
段階
- フェーズ 4
連絡先と場所
研究場所
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Lund、スウェーデン、221 85
- Swedish Institute for Infectious Disease Control
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
説明
Inclusion Criteria:
- healthy subject
- 14-15 years old
- eligible for their school-leaving booster for DTP
- received a complete primary vaccination with a 5-component acellular pertussis vaccine (DT5aP-IPV-Hib) at 3, 5 and 12 months of age and vaccinated with a 5-component acellular pertussis vaccine (Td5aP-IPV or Td5aP + IPV) as a booster at 5½ years of age
- informed consent form signed by the subject and parent(s)/legal representative
- subject understand and comply with the study procedures (i.e. able to read and write Swedish)
- female must provide an agreement that they are either sexually continent or practice adequate contraceptive methods (intra-uterine contraceptive device (IUCD), hormonal contraceptives, condoms or other adequate barrier contraception).
Exclusion Criteria:
- acute febrile illness or axillary temperature ≥38.0°C at the time of vaccination
- receipt of immunoglobulin within the previous 3 months, immunosuppression (e g evidence of impaired cell mediated immunity, receipt of immunosuppressant drugs within the previous 3 months or receipt of systemic corticosteroids given daily or on alternate days at ≥20 mg/day prednisone equivalent during >14 days within the past 30 days)
- receipt of a non-study vaccine in the past 30 days
- evolving encephalopathy not attributable to another identifiable cause within 7 days of administration of a previous dose of any vaccine
- booster vaccination with tetanus, low dose diphtheria and acellular pertussis vaccine since the booster vaccination at 5½ years of age
- previous clinical or bacteriological diagnosis of diphtheria, tetanus or pertussis
- hypersensitivity to any component of any of the study vaccines
- current participation in any other clinical trial or participation in any clinical trial in the previous month
- inability to adhere to the protocol, including plans to move from the area
- severe chronic disease
- family history of congenital or hereditary immunodeficiency
- any sever thrombocytopenia or any other coagulation disorder that would contraindicate intramuscular injection
- any medical condition, which in the opinion of the investigator, might interfere with the evaluation of the study objectives.
研究計画
研究はどのように設計されていますか?
デザインの詳細
- 主な目的:基礎科学
- 割り当て:ランダム化
- 介入モデル:並列代入
- マスキング:なし(オープンラベル)
武器と介入
参加者グループ / アーム |
介入・治療 |
|---|---|
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アクティブコンパレータ:Td5ap
Group 1 receiving Td5ap as a single intramuscular injection.
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Intramuscular injection of 0.5 mL Td5ap (COVAXiS) on day 1.
他の名前:
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アクティブコンパレータ:Td1aP
Group 2 receiving Td1aP as a single intramuscular injection
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Intramuscular injection of 0.5 mL Td1aP (diTekiBooster) on day 1.
他の名前:
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この研究は何を測定していますか?
主要な結果の測定
結果測定 |
時間枠 |
|---|---|
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to describe in each arm the immune response to diptheria toxin, tetanus toxoid, pertussis toxin, FHA, fimbriae 2/3 and pertactin four weeks after immunization with Td1aP and Td5ap
時間枠:42 days
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42 days
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二次結果の測定
結果測定 |
時間枠 |
|---|---|
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safety of a fith dose of DTP vaccines
時間枠:42 days
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42 days
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pre-booster antibody levels
時間枠:42 days
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42 days
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pre-booster and post-booster IgG and IgA levels
時間枠:42 days
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42 days
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pre-booster and post-booster T cell immune responses
時間枠:42 days
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42 days
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pre-booster and post-booster B cell immune responses
時間枠:42 days
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42 days
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協力者と研究者
捜査官
- 主任研究者:Leif Gothefors, Prof. em.、Swedish Institute for Infectious Disease Control
- スタディディレクター:Eva Netterlid、Swedish Institute for Infectious Disease Control
出版物と役立つリンク
一般刊行物
- Lin A, Apostolovic D, Jahnmatz M, Liang F, Ols S, Tecleab T, Wu C, van Hage M, Solovay K, Rubin K, Locht C, Thorstensson R, Thalen M, Lore K. Live attenuated pertussis vaccine BPZE1 induces a broad antibody response in humans. J Clin Invest. 2020 May 1;130(5):2332-2346. doi: 10.1172/JCI135020.
- Carlsson RM, Gustafsson L, Hallander HO, Ljungman M, Olin P, Gothefors L, Nilsson L, Netterlid E. Two consecutive randomized controlled pertussis booster trials in children initially vaccinated in infancy with an acellular vaccine: The first with a five-component Tdap vaccine to 5-year olds and the second with five- or monocomponent Tdap vaccines at age 14-15 years. Vaccine. 2015 Jul 17;33(31):3717-25. doi: 10.1016/j.vaccine.2015.05.079. Epub 2015 Jun 7.
- Jahnmatz M, Ljungman M, Netterlid E, Jenmalm MC, Nilsson L, Thorstensson R. Pertussis-specific memory B-cell and humoral IgG responses in adolescents after a fifth consecutive dose of acellular pertussis vaccine. Clin Vaccine Immunol. 2014 Sep;21(9):1301-8. doi: 10.1128/CVI.00280-14. Epub 2014 Jul 9.
研究記録日
主要日程の研究
研究開始
一次修了 (実際)
研究の完了 (予想される)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (見積もり)
学習記録の更新
投稿された最後の更新 (見積もり)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
キーワード
追加の関連 MeSH 用語
その他の研究ID番号
- 2008-008195-13
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