Suspended

Prospective Evaluation of Antibodies Levels Variation Against SARS-CoV-2 in a Vaccinated Population of the Metropolitan Area of Valle de Aburra . Pilot Prospective Cohort.

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What is being collected

Data Collection

Collected from today forward - Prospective
Who is being recruted

COVID-19+9

+ Coronaviridae Infections

+ Infections

From 18 to 90 Years
+7 Eligibility Criteria
See all eligibility criteria
How is the trial designed

Cohort

Tracking disease incidence in order to identify risk factors and understand disease progression over time.
Observational
Study Start: February 2022
See protocol details

Summary

Principal SponsorUniversidad de Antioquia
Study ContactIvone Jimenez
Last updated: January 28, 2026
Sourced from a government-validated database.Claim as a partner

Study start date: February 2, 2022

Actual date on which the first participant was enrolled.

After being informed about the study, all patients giving written informed consent will undergo a serial IgM -IgG COVID-19 antibodies blood test and SARS-Cov-2 PCR by nasopharingeal swab, that will be taken at the beginning of the study and mensually for two months. During the study will be done an active search for SARS-CoV-2 infections in the vaccinated people cohort, and if it is posible to characterize the variant of SARS-CoV-2 in participants previously vaccinated against this pathogen. The main objective of this study is to describe the pattern of antibodies blood test based in the type of vaccine and correlated the pattern of antibodies SARS-Cov-2 levels in a population of Valle de Aburrá.

Official TitleProspective Evaluation of Antibodies Levels Variation Against SARS-CoV-2 in a Vaccinated Population of the Metropolitan Area of Valle de Aburra . Pilot Prospective Cohort.
NCT05172167
Principal SponsorUniversidad de Antioquia
Study ContactIvone Jimenez
Last updated: January 28, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

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

200 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Cohort

These studies follow a group of individuals with common characteristics (such as a condition or birth year) over a specific period to study health outcomes or exposures.

Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

From 18 to 90 Years

Range of ages for which participants are eligible to join.

Healthy volunteers allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

COVID-19Coronaviridae InfectionsInfectionsLung DiseasesPneumoniaPneumonia, ViralRespiratory Tract DiseasesRespiratory Tract InfectionsRNA Virus InfectionsVirus DiseasesCoronavirus InfectionsNidovirales Infections

Criteria

3 inclusion criteria required to participate
Adult over 18 years old
The vaccinated patients to be included must have received a complete vaccination scheme for COVID-19 according to the Ministerio de Salud y Protección Social de Colombia
SARS-CoV-2 infection in the last 2 months, verified by rtPCR test
4 exclusion criteria prevent from participating
Immunocompromised patients
Immunosuppressive treatments, chemotherapy or antiretroviral therapy
Outpatient anticoagulant therapy
For vaccinated people (groups 1 and 2): if have had COVID-19 infection in the last 6 months

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Study Objectives

Study Objectives

Primary Objectives

Secondary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 1 location

Recruiting

Laboratorio Integrado de Medicina Especializada

Medellín, ColombiaOpen Laboratorio Integrado de Medicina Especializada in Google Maps
SuspendedOne Study Center