Home | Phase III study of the Cuban vaccine candidate VCN7-T in patients from 1 to 18 years of age at risk of pneumococcal disease in Havana
4 October 2023 - 12:11pm by FINLAY5 October 2023 - 10:07am by FINLAY
Changes to Date of first enrollment
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2023-10-04 00:00:00
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2023-10-09 00:00:00
Changes to Primary outcome(s)
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1.Proportion of adverse events attributable to vaccination with VCN7-T 30 days after each dose (Frequency and proportion of adverse events reported after the application of each dose of the evaluated schemes). Measurement time: From inoculation until the following 30 days.
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Proportion of adverse events attributable to vaccination with VCN7-T, 30 days after vaccination.
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2.Proportion of solicited adverse events attributable to vaccination with VCN7-T up to 7 days after administration of each dose (Frequency and proportion of adverse events reported after the application of each dose of the evaluated schemes). Measurement time: From inoculation until the following 7 days.
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Changes to Key secondary outcomes
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1. Cumulative incidence of pneumonia and IPD cases (Rates of pneumonia and IPD recorded after immunization). Measurement time: From inoculation until the following 2 years.
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1. Cumulative incidence of pneumonia and IPD cases.
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2.Percentage of subjects in the subgroup studied, with an immune response to the vaccine serotypes (Stratified randomization by age and underlying diseases most representative in the sample; sampling of 5 ml of blood pre- and post-vaccination from a subgroup of 200 subjects). Measurement time: T0 (before inoculation of the vaccine candidate); T28 (28 days after inoculation of the vaccine candidate).
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2. Percentage of subjects in the studied subgroup, with an immune response to the vaccine serotypes.
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Changes to Inclusion criteria
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1. Patients over one year old included in the risk groups defined in the health areas of the province of Havana.
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1. Patients from 1 to 18 years of age, of any sex, from the province of Havana, identified in risk groups for pneumococcal disease.
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2. Informed consent of parents and assent of adolescents for vaccination and follow-up.
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2. Informed consent of parents and assent of adolescents for vaccination and follow-up.
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Changes to Exclusion criteria
 
1. Previous pneumococcal vaccination.
 
1. Previous pneumococcal vaccination.
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2. Children with a referred allergy to thiomersal or any biological product or vaccines causing a serious adverse reaction such as anaphylaxis.
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2. Children with a reported allergy to thiomersal or any biological product or vaccines causing a serious adverse reaction of the anaphylaxis type.
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3. Decompensation of the underlying disease at the time of evaluation
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3. Decompensation of the underlying disease at the time of evaluation.
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4. Acute infectious diseases
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4. Subjects with febrile or acute infectious illness at the time of application of the vaccine candidate, or in the previous 7 days.
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5. Subjects vaccinated according to the Cuban immunization schedule, in a period of less than 15 days prior to the application of the investigational product.
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6. Adolescents who are pregnant or have amenorrhea greater than 4 weeks before the application of the vaccine candidate.
Changes to Record Verification Date
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2023/10/04
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2023/10/05
Changes to Next update date
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2024/10/04
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2024/10/05
Revision of 5 October 2023 - 10:07am: