Study of Virus-specific Lymphocytic Cell Populations in Non-invasive Nasal Mucosa Samples of MIS-C Patients

Role of Lymphocyte Subsets and Laboratory Measurements in COVID-19 Disease

NCT04779359 ·Status: UNKNOWN

Nasal Specimen Collection Study in Patients With ILI and/or ARI in an Outpatient Setting

NCT01687816 ·Status: UNKNOWN

Expression of Toll-like Receptors 3 , 7 and 9 in Peripheral Blood Mononuclear Cells of COVID-19 Patients

NCT05089110 ·Status: UNKNOWN

Observational, Prospective Clinical Study to Evaluate Biomarkers as Indicators of Acute Bacterial or Viral Infections

NCT01917461 ·Status: COMPLETED

Evaluation of Interleukine 6 (and Other Cytokines and Inflammatory Markers) in COVID-19 Patients With a Systemic Inflammatory Response Syndrome

NCT04346017 ·Status: COMPLETED ·Phase: NA

Screening for COVID-19 and Monitoring of Serological Responses to SARS-CoV-2 in Healthcare Workers

NCT04370119 ·Status: COMPLETED

Study of Leukocyte Immunophenotype and the Lipid Transport System as Predictive Biomarkers of Severe Bacterial Infections

NCT04178915 ·Status: ENROLLING_BY_INVITATION

A COVID-19 Symptom, Exposure and Immune Response Registry

NCT04348942 ·Status: COMPLETED

Analysis of the Inflammatory Response and the Development of Humoral and Cellular Immunity in Patients With COVID-19

NCT04423640 ·Status: UNKNOWN

COVID-19 Epidemic Response Study

NCT04357496 ·Status: WITHDRAWN

Development and Qualification of Methods for Analyzing the Mucosal Immune Response to COVID-19

NCT06142279 ·Status: NOT_YET_RECRUITING ·Phase: NA

Association of the Neutrophil/Lymphocyte Ratio With Pulmonary Complications and Mortality in COVID-19 Patients

NCT05052346 ·Status: COMPLETED

Retrospective Evaluation of Clinical, Virological and Serological Data in Patients With Mild Acute Upper Respiratory Tract Infections

NCT05134766 ·Status: COMPLETED

To Evaluate Mucosal and Systematic Immune Response to Acute Respiratory Tract Infections of South African Children

NCT06902194 ·Status: RECRUITING

Study to Investigate Long-term Pulmonary and Extrapulmonary Effects of COVID-19

NCT04581135 ·Status: COMPLETED

Lymphocyte to Procalcitonin Ratio in Covid-19 Patients

NCT06620159 ·Status: ACTIVE_NOT_RECRUITING

Immunity Against Severe Acute Respiratory Syndrome Coronavirus 2 Disease (COVID-19) in the Oncology Outpatient Setting

NCT04779346 ·Status: UNKNOWN

Monocytes and NK Cells Activity in Covid-19 Patients

NCT04375176 ·Status: UNKNOWN

Characterizing the Immune Response and Neuronal Damage in COVID-19

NCT04510012 ·Status: COMPLETED

Study of the Immunological and Virological Response of Patients With COVID-19 and Presenting an Asymptomatic or Pauci-symptomatic Form (AMBUCOV)

NCT04703114 ·Status: COMPLETED ·Phase: NA

Tofacitinib in Hospitalized Patients With COVID-19 Pneumonia

NCT04469114 ·Status: COMPLETED ·Phase: PHASE3

Prevalence and Risk Factors of COVID-19 in the Upper Silesian Agglomeration

NCT04627623 ·Status: UNKNOWN

LIPId Profile Changes in Inflammatory Conditions Induced by SARS-CORoronavirus-2

NCT05113836 ·Status: UNKNOWN

Immune Changes in Severe COVID-19 Pulmonary Infections

NCT04386395 ·Status: COMPLETED

Health Professional Exposure Assessment to Covid-19

NCT04429724 ·Status: COMPLETED ·Phase: NA