COVID-19 Vaccine Effectiveness in Albanian Health Workers (COVEAL)

March 23, 2021 updated by: Institute of Public Health, Albania

Cohort Study to Measure COVID-19 Vaccine Effectiveness Among Health Workers in Albania

The purpose of this study is to evaluate the effectiveness of the COVID-19 vaccine in hospital based HWs in Albania. This will answer critical questions about the real-world performance of COVID-19 vaccines in one of the key target groups for vaccination.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Detailed Description

This protocol describes a prospective one-year cohort study of hospital-based health workers in Albania to evaluate the effectiveness of COVID-19 vaccine in preventing laboratory-confirmed SARS-CoV-2 infection and COVID -19 disease.

The investigators will measure the effectiveness of COVID-19 vaccines against laboratory-confirmed SARS-CoV-2 infection in both symptomatic and asymptomatic hospital health workers.

SARS-CoV-2 infection will be diagnosed using symptom questionnaires and PCR testing. Additionally, serology testing will be obtained over the course of one year, to identify asymptomatic infections.

Study Type

Observational

Enrollment (Anticipated)

1500

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

      • Durrës, Albania
        • Recruiting
        • Durres Regional Hospital
        • Contact:
      • Fier, Albania
        • Recruiting
        • Fier Regional Hospital
        • Contact:
      • Tirana, Albania, 1015
        • Recruiting
        • Tirana University Hospital " Mother Theresa"
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

16 years and older (Child, Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

The study population will be composed of health workers in the above hospitals, eligible for vaccination, with no contraindication to receive COVID-19 vaccine. Health Workers include all categories of staff working in the hospitals, including clinical and non-clinical/administrative staff and staff with direct patient interaction and those without direct patient interaction.

Description

Inclusion Criteria:

  • All Health Workers eligible to receive the COVID-19 vaccination according to the national guidelines of Institute of Public Health.
  • Health Workers working at Tirana University Hospital "Mother Theresa", University Hospital "Shefqet Ndroqi", Durres Regional hospital and Fier Regional Hospital.
  • Health Workers who have already been vaccinated against COVID-19 as part of the early COVID-19 vaccine rollout can be included, as long as information can be collected about the date and type of the vaccine that was administered. However, priority will be given to enrolling Health Workers who have received their COVID vaccine no more than 4 days prior to the day of enrolment in the study.

Exclusion Criteria:

  • Health Workers who are not eligible for COVID-19 vaccination or have a contraindication to vaccination should not participate in the study.
  • Health Workers who do not work at Tirana University Hospital "Mother Theresa", University Hospital "Shefqet Ndroqi", Durres Regional hospital and Fier Regional Hospital.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Cohort
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Vaccinated participants
Participants who have received 2 doses of the pfizer Covid-19 vaccine or 1 or dose of the Astra Zeneca Covid-19 Vaccine
Observation of individuals who receive the COVID-19 vaccine (2 doses of PfizerBioNtech COVID-19 vaccine).
Unvaccinated participants
Have not received any doses of any form of COVID-19 vaccine

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
COVID-19 vaccine effectiveness
Time Frame: 12 months
Data will be collected using weekly symptom questionnaires, COVID-19 PCR confirmation for any symptomatic participant and quarterly serology assessment for all participants to identify N-protein presents to suggest new infection, rather than vaccine induced antibody response.
12 months
COVID-19 PCR confirmation
Time Frame: 12 months
Data will be collected using weekly symptom questionnaires, COVID-19 PCR confirmation for any symptomatic participant and quarterly serology assessment for all participants to identify N-protein presents to suggest new infection, rather than vaccine induced antibody response.
12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Vaccine effectiveness by age
Time Frame: 12 months
The enrollment questionnaire includes age of each participant. Data will be stratified by age at the time of analysis.
12 months
Vaccine effectiveness by co-morbidities
Time Frame: 12 months
The enrollment questionnaire will include specific co-morbidities, including (but not limited to) heart disease, autoimmune disease, chronic liver disease and chronic kidney disease. Data will be stratified by co-morbidity at the time of analysis.
12 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

February 19, 2021

Primary Completion (Anticipated)

May 20, 2022

Study Completion (Anticipated)

May 20, 2022

Study Registration Dates

First Submitted

March 19, 2021

First Submitted That Met QC Criteria

March 19, 2021

First Posted (Actual)

March 23, 2021

Study Record Updates

Last Update Posted (Actual)

March 26, 2021

Last Update Submitted That Met QC Criteria

March 23, 2021

Last Verified

March 1, 2021

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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