- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT04809948
Effects of COVID 19 Vaccine on Egyptian Population
Impact of COVID 19 Vaccine on Safety, Blood Elements, and Immunogenicity of the Egyptian Population
Descripción general del estudio
Estado
Condiciones
Intervención / Tratamiento
Descripción detallada
Coronavirus disease 2019 (COVID-19) is an emerging respiratory infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that had infected more than 100 million individuals and caused more than 2 million deaths worldwide by February 13, 2021. A safe and effective vaccination trials against COVID-19 is urgently needed. There are currently more than 160 COVID-19 candidate vaccines in development worldwide, and 25 are in different phases of clinical trials using different platforms.
The efficacy and immunogenicity of vaccines varies depending on the study cohort. Race and ethnicity were shown to affect the antibody responses to the rubella vaccine, which elicited significantly higher titers in children of African ethnicity compared to those of European descent or Hispanic ethnicity, likely, disparities in serologic responses to vaccines were also observed between different ethnic groups for the Haemophilus influenzae type b-tetanus toxoid conjugate vaccine , or the Haemophilus influenzae type b polysaccharide-Neisseria meningitidis outer membrane protein conjugate vaccine . thus keeping the race an important factor in studding its effect on immunogenicity of vaccine. Thus keeping the race an important factor in studding its effect on immunogenicity of vaccine, which pushed us to estimate immunogenicity in Egyptian population after vaccination with the inactivated COVID-19 vaccine.
Heamatological changes after vaccination had been detected in many researches; lecuocytosis was found shortly after vaccination of infants, which was primarily a neutrophilia but no participant received antibiotics and all remained well at follow-up . In a case series study, also leukocytosis with fever was detected following pneumococcal vaccine administration . On the other hand, neutropenia was detected following a new vaccine against Shigella sonnei . Platelets abnormalities also had been detected following vaccination, a previous example is idiopathic thrombocytopenic purpura, linked to the administration of measles-containing vaccines .
Tipo de estudio
Inscripción (Anticipado)
Contactos y Ubicaciones
Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Método de muestreo
Población de estudio
Descripción
Inclusion Criteria:
- People aged 18-80 years.
- Negative for serum-specific IgM/IgG antibodies against SARS-CoV-2, as measured by a commercial kit (Innovita, China) at the time of screening.
Exclusion Criteria:
- A history of infection with SARS-CoV 3 months before the vaccine.
- Fever, cough, runny nose, sore throat, diarrhoea, dyspnoea, or tachypnoea in the 14 days before vaccination.
- Pregnancy.
- A history of seizures or mental illness.
- Being on immunosuppressive agents.
- Being on anticoagulation therapy.
- Being unable to comply with the study schedule.
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
---|---|---|
serological antibodies against SARS-CoV-2 e
Periodo de tiempo: change from baseline at one month after first dose
|
Total IgG titer
|
change from baseline at one month after first dose
|
serological antibodies against SARS-CoV-2 e
Periodo de tiempo: one month after second dose
|
Total IgG titer
|
one month after second dose
|
Complete blood count (CBC)
Periodo de tiempo: change from baseline at one month after first dose
|
to evaluate total leucocyte count TLC
|
change from baseline at one month after first dose
|
Complete blood count (CBC)
Periodo de tiempo: one month after second dose
|
to evaluate total leucocyte count TLC
|
one month after second dose
|
Complete blood count (CBC)
Periodo de tiempo: change from baseline at one month after first dose
|
absolute neutrophilic count (ANC)
|
change from baseline at one month after first dose
|
Complete blood count (CBC)
Periodo de tiempo: one month after second dose
|
absolute neutrophilic count (ANC)
|
one month after second dose
|
Complete blood count (CBC)
Periodo de tiempo: change from baseline at one month after first dose
|
platelets (PLTs)
|
change from baseline at one month after first dose
|
Complete blood count (CBC)
Periodo de tiempo: one month after second dose
|
platelets (PLTs)
|
one month after second dose
|
Complete blood count (CBC)
Periodo de tiempo: change from baseline at one month after first dose
|
hemoglobin level
|
change from baseline at one month after first dose
|
Complete blood count (CBC)
Periodo de tiempo: one month after second dose
|
hemoglobin level
|
one month after second dose
|
Adverse clinical symptoms after vaccine
Periodo de tiempo: up to one week after first dose
|
asking about possible recorded side effects as
|
up to one week after first dose
|
Colaboradores e Investigadores
Patrocinador
Publicaciones y enlaces útiles
Publicaciones Generales
- Xia S, Duan K, Zhang Y, Zhao D, Zhang H, Xie Z, Li X, Peng C, Zhang Y, Zhang W, Yang Y, Chen W, Gao X, You W, Wang X, Wang Z, Shi Z, Wang Y, Yang X, Zhang L, Huang L, Wang Q, Lu J, Yang Y, Guo J, Zhou W, Wan X, Wu C, Wang W, Huang S, Du J, Meng Z, Pan A, Yuan Z, Shen S, Guo W, Yang X. Effect of an Inactivated Vaccine Against SARS-CoV-2 on Safety and Immunogenicity Outcomes: Interim Analysis of 2 Randomized Clinical Trials. JAMA. 2020 Sep 8;324(10):951-960. doi: 10.1001/jama.2020.15543.
- Spinelli A, Pellino G. COVID-19 pandemic: perspectives on an unfolding crisis. Br J Surg. 2020 Jun;107(7):785-787. doi: 10.1002/bjs.11627. Epub 2020 Mar 23. No abstract available.
- Stern PL. Key steps in vaccine development. Ann Allergy Asthma Immunol. 2020 Jul;125(1):17-27. doi: 10.1016/j.anai.2020.01.025. Epub 2020 Feb 7.
- Haralambieva IH, Salk HM, Lambert ND, Ovsyannikova IG, Kennedy RB, Warner ND, Pankratz VS, Poland GA. Associations between race, sex and immune response variations to rubella vaccination in two independent cohorts. Vaccine. 2014 Apr 7;32(17):1946-53. doi: 10.1016/j.vaccine.2014.01.090. Epub 2014 Feb 13.
- Prentice S, Kamushaaga Z, Nash SB, Elliott AM, Dockrell HM, Cose S. Post-immunization leucocytosis and its implications for the management of febrile infants. Vaccine. 2018 May 11;36(20):2870-2875. doi: 10.1016/j.vaccine.2018.03.026. Epub 2018 Apr 11.
- von Elten KA, Duran LL, Banks TA, Banks TA, Collins LC, Collins LC. Systemic inflammatory reaction after pneumococcal vaccine: a case series. Hum Vaccin Immunother. 2014;10(6):1767-70. doi: 10.4161/hv.28559. Epub 2014 Mar 18.
- Muturi-Kioi V, Lewis D, Launay O, Leroux-Roels G, Anemona A, Loulergue P, Bodinham CL, Aerssens A, Groth N, Saul A, Podda A. Neutropenia as an Adverse Event following Vaccination: Results from Randomized Clinical Trials in Healthy Adults and Systematic Review. PLoS One. 2016 Aug 4;11(8):e0157385. doi: 10.1371/journal.pone.0157385. eCollection 2016.
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio (Anticipado)
Finalización primaria (Anticipado)
Finalización del estudio (Anticipado)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Actual)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- COVID 19 Vaccine
Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .
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