NCT05033834

Brief Summary

Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), was first identified in Wuhan, China. It rapidly spread, resulting a global pandemic in March 2020. Globally, till 27 August 2021, there have been 214,468,601 confirmed cases of COVID-19, including 4,470,969 deaths, reported to WHO. With the absence of curative treatment for COVID-19 infection the development of safe and effective vaccines is critical to ending the COVID-19 pandemic. The Pfizer/BioNtech Comirnaty vaccine was listed for WHO Emergency Use Listing (EUL) on 31 December 2020. The SII/Covishield and AstraZeneca/AZD1222 vaccines (developed by AstraZeneca/Oxford and manufactured by the State Institute of India and SK Bio respectively) were given EUL on 16 February. The Janssen/Ad26.COV 2.S developed by Johnson \& Johnson, was listed for EUL on 12 March 2021. The Moderna COVID-19 vaccine (mRNA 1273) was listed for EUL on 30 April 2021 and the Sinopharm COVID-19 vaccine was listed for EUL on 7 May 2021. The Sinopharm vaccine is produced by Beijing Bio-Institute of Biological Products Co Ltd, subsidiary of China National Biotec Group (CNBG). The Sinovac-CoronaVac was listed for EUL on 1 June 2021. As of 25 August 2021, a total of 4,953,887,422 vaccine doses have been administered. In large, randomized-controlled trials, vaccines were found to be safe and efficacious in preventing symptomatic, laboratory-confirmed COVID-19. However, a small percentage of fully vaccinated persons will develop symptomatic or asymptomatic infections with SARS-CoV-2, the virus that causes COVID-19. A vaccine breakthrough infection is defined as the detection of SARS-CoV-2 RNA or antigen in a respiratory specimen collected from a person ≥14 days after receipt of all recommended doses of an FDA-authorized COVID-19 vaccine. A total of 10,262 SARS-CoV-2 vaccine breakthrough infections had been reported from 46 U.S. states and territories as of April 30, 2021. Among these cases, 6,446 (63%) occurred in females, and the median patient age was 58 years (interquartile range = 40-74 years). Based on preliminary data, 2,725 (27%) vaccine breakthrough infections were asymptomatic, 995 (10%) patients were known to be hospitalized, and 160 (2%) patients died.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
100

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Nov 2021

Geographic Reach
1 country

3 active sites

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

First Submitted

Initial submission to the registry

September 2, 2021

Completed
3 days until next milestone

First Posted

Study publicly available on registry

September 5, 2021

Completed
2 months until next milestone

Study Start

First participant enrolled

November 1, 2021

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2022

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2022

Completed
Last Updated

September 13, 2021

Status Verified

September 1, 2021

Enrollment Period

1 year

First QC Date

September 2, 2021

Last Update Submit

September 4, 2021

Conditions

Keywords

COVID-19COVID-19 vaccinationPost vaccination infectionbreakthrough COVID-19Partially vaccinatedFully vaccinated

Outcome Measures

Primary Outcomes (1)

  • assess the prevalence of COVID-19 infection after vaccination

    number of cases with covid-19 after vaccination

    one year

Secondary Outcomes (2)

  • evaluate the severity of infection after vaccination

    2 weeks

  • Predict possible risk factors of post vaccination infection

    one year

Study Arms (2)

Group A

People received any registered COVID-19 vaccination

Other: covid-19 vaccines registered in Egypt

Group B

People developed COVID-19 infection after partial or full vaccination with any registered COVID-19 vaccine

Other: covid-19 vaccines registered in Egypt

Interventions

Astra Zeneka vaccine, Sinopharm vaccine, Sinovac vaccine, Jonson and Jonson vaccine, Spotnic V vaccine

Group AGroup B

Eligibility Criteria

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

Group A: people receive vaccination at the study period will be followed by phone calls or email for any new infection. Group B: patients who will be confirmed to have recent COVID-19 infection who visit outpatient clinic or admit to ward or ICU of Assiut University hospital at study period.

You may qualify if:

  • Patients 18 years old and above of both genders.
  • Received at least one dose of COVID-19 registered vaccines.
  • Diagnosed COVID-19 positive after vaccination by real time PCR (confirmed case) or combined clinical and radiological diagnosis (possible case).

You may not qualify if:

  • Children less than 18 years.
  • Cases non vaccinated with COVID-19 registered vaccine

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

AssiutU

Asyut, 71111, Egypt

Location

Pulmonology Departments

Asyut, 71111, Egypt

Location

Aliae AR Mohamed-Hussein

Asyut, 71515, Egypt

Location

MeSH Terms

Conditions

COVID-19COVID-19 breakthrough infections

Condition Hierarchy (Ancestors)

Pneumonia, ViralPneumoniaRespiratory Tract InfectionsInfectionsVirus DiseasesCoronavirus InfectionsCoronaviridae InfectionsNidovirales InfectionsRNA Virus InfectionsLung DiseasesRespiratory Tract Diseases

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
1 Year
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor of Pulmonology

Study Record Dates

First Submitted

September 2, 2021

First Posted

September 5, 2021

Study Start

November 1, 2021

Primary Completion

November 1, 2022

Study Completion

December 31, 2022

Last Updated

September 13, 2021

Record last verified: 2021-09

Locations