NCT04809948

Brief Summary

The aim of this study is to identify adverse events following vaccination by the COVID-19 vaccine by evaluating adverse side effects, hematological values; immunogenicity in the Egyptian candidates in response to COVID-19 vaccine, summarizing the which may occur following administration of COVID-19 vaccine.

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
800

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Mar 2021

Shorter than P25 for all trials

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2021

Completed
13 days until next milestone

First Submitted

Initial submission to the registry

March 14, 2021

Completed
8 days until next milestone

First Posted

Study publicly available on registry

March 22, 2021

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2021

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2021

Completed
Last Updated

March 24, 2021

Status Verified

March 1, 2021

Enrollment Period

6 months

First QC Date

March 14, 2021

Last Update Submit

March 20, 2021

Conditions

Outcome Measures

Primary Outcomes (11)

  • serological antibodies against SARS-CoV-2 e

    Total IgG titer

    change from baseline at one month after first dose

  • serological antibodies against SARS-CoV-2 e

    Total IgG titer

    one month after second dose

  • Complete blood count (CBC)

    to evaluate total leucocyte count TLC

    change from baseline at one month after first dose

  • Complete blood count (CBC)

    to evaluate total leucocyte count TLC

    one month after second dose

  • Complete blood count (CBC)

    absolute neutrophilic count (ANC)

    change from baseline at one month after first dose

  • Complete blood count (CBC)

    absolute neutrophilic count (ANC)

    one month after second dose

  • Complete blood count (CBC)

    platelets (PLTs)

    change from baseline at one month after first dose

  • Complete blood count (CBC)

    platelets (PLTs)

    one month after second dose

  • Complete blood count (CBC)

    hemoglobin level

    change from baseline at one month after first dose

  • Complete blood count (CBC)

    hemoglobin level

    one month after second dose

  • Adverse clinical symptoms after vaccine

    asking about possible recorded side effects as * Local: irritation, erythema, swelling, or itching. * Systemic: headache, dizziness, difficult sleep, flush, muscle pain, joint pain, fatigue, fever, chills, sore throat, nasal congestion, nasal bleeds, sneezing, runny nose, cough, dyspnoea, palpitation, nausea, vomiting, diarrhoea, constipation, stomach pain, loss of appetite, acute allergic reaction, acne, abnormal taste, loss of taste, mouth ulcers, toothache, ear pain, eye pain, and/or lymphadenopathy.

    up to one week after first dose

Interventions

AstraZeneca vaccine

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

HCWs in Assiut University Hospitals accepted to take vaccine

You may qualify if:

  • 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.

You may not qualify if:

  • 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.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (7)

  • 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.

    PMID: 32191340BACKGROUND
  • 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.

    PMID: 32044451BACKGROUND
  • 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.

    PMID: 32789505BACKGROUND
  • 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.

    PMID: 24530932BACKGROUND
  • 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.

    PMID: 29655624BACKGROUND
  • 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.

    PMID: 24642659BACKGROUND
  • 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.

    PMID: 27490698BACKGROUND

Central Study Contacts

Mariam Elkhayat, lecturer

CONTACT

Taghreed Meshref, lecturer

CONTACT

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
lecturer

Study Record Dates

First Submitted

March 14, 2021

First Posted

March 22, 2021

Study Start

March 1, 2021

Primary Completion

September 1, 2021

Study Completion

December 30, 2021

Last Updated

March 24, 2021

Record last verified: 2021-03