- ICH GCP
- Registro de ensaios clínicos dos EUA
- Ensaio Clínico NCT04264546
Safety and Immunogenicity of a Sabin Inactivated Poliovirus Vaccine (Phase Ib)
A Phase Ib Study to Evaluate the Safety and Immunogenicity of a Sabin Inactivated Poliovirus Vaccine (Vero Cell)
Visão geral do estudo
Descrição detalhada
The purpose of this phase Ib study is to evaluate the safety of a Sabin Inactivated Poliovirus Vaccine (sIPV) in adults and children, and the safety and immunogenicity of it in infants. 20 adults aged 18~45 years and 20 children aged 4 years were only administered one dose of sIPV with high D antigen content. 20 infants aged 2 months (60~90 days) were administered three doses of sIPV with high D antigen content, on the month 0, 1, 2 schedule. Serum samples were collected before the 1st dose and 30 days after the 3rd dose vaccination to assess the immunogenicity in infants. Adverse events occurring within 30 days after each dose were collected to assess the safety.
The antigen contents of type I, type II and type III polioviruses in the high-dose Sabin IPV were 22 DU, 65 DU and 65 DU. All vaccines were in liquid form, 0.5 ml per dose.
Tipo de estudo
Inscrição (Real)
Estágio
- Fase 2
- Fase 1
Contactos e Locais
Locais de estudo
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Nanjing, China
- Jiangsu Provincial Center for Disease Control and Prevention
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Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- Healthy volunteer aged 18~45 years with/without prior vaccination of poliovirus and without any contraindication for vaccination;
- Healthy volunteer aged 4 years with/without prior vaccination of poliovirus but without booster vaccination and any contraindication for vaccination;
- Healthy volunteer aged 2 months (60~90 days) without prior vaccination of poliovirus and any contraindication for vaccination;
- Guardians of the participants should be capable of understanding the written consent form, and such form should be signed prior to enrolment;
- Complying with the requirement of the study protocol;
- Axillary temperature ≤ 37.0 °C;
Exclusion Criteria:
- Women aged 18~45 years with positive urine pregnancy test, pregnant or lactating women, or women with pregnancy plans within 3 months;
- Preterm or low birth weight infants;
- Congenital malformation, developmental disorders, genetic defects, or severe malnutrition;
- History of polio;
- Severe nervous system disease (epilepsy, seizures or convulsions) or mental illness;
- History of allergy to any vaccine, or any ingredient of the vaccine, or serious adverse reaction(s) to vaccination, such as urticaria, dyspnea, angioneurotic edema, abdominal pain, etc;
- Autoimmune disease or immunodeficiency/immunosuppressive;
- Bleeding disorder diagnosed by a doctor (e.g., coagulation factor deficiency, coagulation disorder, or platelet disorder), or significant bruising or coagulopathy;
- Serious chronic diseases, respiratory diseases, cardiovascular diseases, liver or kidney diseases or skin diseases;
- Mother of the participant has HIV infection;
- Acute illness or acute exacerbation of chronic disease within the past 7 days;
- Had a high fever within the past 3 days (axillary temperature ≥ 38.0°C);
- Receipt of any subunit or inactivated vaccine within the past 7 day;
- Receipt of any live attenuated vaccine within the past 14 days;
- Receipt of any blood product within the past 3 months;
- Any other factor that, in the judgment of the investigator, suggesting the volunteer is unsuitable for this study;
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Prevenção
- Alocação: Não randomizado
- Modelo Intervencional: Atribuição de grupo único
- Mascaramento: Nenhum (rótulo aberto)
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
|---|---|
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Experimental: Experimental Adult Group - High dosage
One intramuscular injection of the investigational vaccine (0.5 ml); Intervention: one-dose regimen of high dosage investigational sIPV Intervention: Biological: one-dose regimen of high dosage investigational sIPV
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The investigational High dosage Sabin IPV was all developed by Minhai Biotech Co., LTD.
The antigen contents of type I, type II and type III polioviruses in the high dosage Sabin IPV were 22 DU, 65 DU and 65 DU.
The vaccine was in liquid form, 0.5 ml per dose.
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Experimental: Experimental Children Group - High dosage
One intramuscular injection of the investigational vaccine (0.5 ml); Intervention: one-dose regimen of high dosage investigational sIPV Intervention: Biological: one-dose regimen of high dosage investigational sIPV
|
The investigational High dosage Sabin IPV was all developed by Minhai Biotech Co., LTD.
The antigen contents of type I, type II and type III polioviruses in the high dosage Sabin IPV were 22 DU, 65 DU and 65 DU.
The vaccine was in liquid form, 0.5 ml per dose.
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Experimental: Experimental Infant Group - High dosage
Three intramuscular injections of the investigational vaccine (0.5 ml) on Day 0, Day 30 and Day 60 respectively; Intervention: Three-dose regimen of high dosage investigational sIPV Intervention: Biological: Three-dose regimen of high dosage investigational sIPV
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The investigational High dosage Sabin IPV was all developed by Minhai Biotech Co., LTD.
The antigen contents of type I, type II and type III polioviruses in the high dosage Sabin IPV were 22 DU, 65 DU and 65 DU.
The vaccine was in liquid form, 0.5 ml per dose.
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O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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As taxas de soroconversão (SCRs) de cada grupo 30 dias após o regime de três doses
Prazo: 28~42 dias
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Indivíduos cujo nível de anticorpo pré-imune < 1:8 e nível de anticorpo pós-imune ≥ 1:8, ou aqueles cujo nível de anticorpo pré-imune ≥ 1:8 e o aumento do nível de anticorpo pós-imune ≥ 4 vezes são considerados soroconvertidos.
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28~42 dias
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The geometric mean titer (GMT) of each group 30 days after three-dose regimen
Prazo: 28~42 days
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GMT of each group 28~42 days after three-dose regimen
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28~42 days
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The geometric mean fold increase (GMI) of each group 30 days after three-dose regimen
Prazo: 28~42 days
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The GMI is the increase of post-immune GMT from pre-immune GMT
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28~42 days
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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The incidences of adverse reactions of each group occurred within 30 days after each injection
Prazo: 30 days
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The number of participants who had adverse reactions divided by the number of all participants
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30 days
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The incidences of adverse events (AEs) of each group occurred within 30 days after each injection
Prazo: 30 days
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The number of participants who had adverse events (AEs) divided by the number of all participants
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30 days
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Colaboradores e Investigadores
Publicações e links úteis
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo (Real)
Conclusão Primária (Real)
Conclusão do estudo (Real)
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Real)
Atualizações de registro de estudo
Última Atualização Postada (Real)
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Mais Informações
Termos relacionados a este estudo
Outros números de identificação do estudo
- 2017L00935-1
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