Long COVID Clinical Trial
— LoCo-ImMetOfficial title:
Characterization of the Immunometabolic Signature in Long COVID-19.
The primary objective of this study is to identify immunometabolic signatures associated with Long COVID in plasma and peripheral blood mononuclear cells (PBMC).
Status | Not yet recruiting |
Enrollment | 100 |
Est. completion date | January 2024 |
Est. primary completion date | January 2024 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years and older |
Eligibility | A/ Inclusion Criteria: - For all patients: - Age > 18 years - Symptomatic COVID-19 diagnosed after 01JAN2021, confirmed by RT-PCR or Antigen test - Last SARS-CoV-2 infection diagnosed more than 12 weeks before inclusion - Patient covered by the French health insurance - Signature of the informed consent - For patient with Long COVID : - At least one of the following symptoms during the week preceding inclusion: abnormal fatigue, dyspnoea sine materia, abnormal pain (chest, joint, muscle, headache), unusual neurocognitive disorders (concentration disorders, "brain fog", language/memory disorders, paraesthesia) - Absence of Return to Usual Health after SARS-CoV-2 infection (patient declaration) - Absence of alternative diagnosis for the symptoms - For COVID-19 recovered patient (Control) : - None of the following symptoms in the 3 week before inclusion: abnormal fatigue, dyspnoea sine materia, abnormal pain (chest, joint, muscle, headache), unusual neurocognitive disorders (concentration disorders, "brain fog", language/memory disorders, paraesthesia) - Return to Usual Health after SARS-CoV-2 infection (patient declaration) B/ Exclusion Criteria: - History of severe COVID-19 (Hospitalization) - Symptoms caused by sequelae of SARS-CoV-2 infection (in particular, persistence of lung parenchymal abnormalities : pulmonary fibrosis, persistent alveolitis on CT-Scan) - Significant Depression or anxiety symptoms, as assessed by a > 10 score on the A or D items of the Hospital anxiety and depression scale (HAD) - Presence of one of the following diseases: - Inborn errors of metabolism - estimated Glomerular filtration rate < 30 ml/min (MDRD) - Autoimmune disease - Immunosuppressive treatment or immune deficiency - Symptomatic heart failure - Respiratory failure (COPD stage = 3 or oxygen therapy) - Solid cancer or active blood disease - Severe malnutrition (albumin < 30 g/L or weight loss =10% in 6 months) - Obesity with BMI = 35 kg/m² - Diabetes not controlled by diet alone - Pregnant, breastfeeding or parturient women - Deprivation of liberty by judicial or administrative decision - Mandatory Psychiatric Care - Protected by decision of law - Unable to express consent |
Country | Name | City | State |
---|---|---|---|
France | Angers University Hospital | Angers |
Lead Sponsor | Collaborator |
---|---|
University Hospital, Angers |
France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Presence of immunometabolic signatures specific of Long COVID in the plasma and mononuclear cells | Statistical analyzes (multivariate) by Orthogonal Projections to Latent Structures Discriminant Analysis (OPLS-DA) (Q2Ycum > 0.5, P-value (CV-ANOVA) =0.05, Q2Ycum, test permutations <0) or the median (AUROC test sets) = 0.8 and the median of the p-values associated with the AUROCs of the test sets = 0.05 in the plasma and/or the PBMCs. | 18 months | |
Primary | Concentration of metabolites and immune mediators in the plasma and mononuclear cells | Comparison of metabolites and immune mediators in the blood and PBMC of patients with long COVID will be compared with those of control patients using statistical tests after correction of the alpha risk. | 18 months | |
Secondary | Changes in immuno-metabolic signatures 6 months after the initial assessment | Significant changes in concentration of metabolites and immune mediators 6 month after inclusion, in comparison with the initial assessment, will be identifed using paired statistical tests with correction of the alpha risk | 18 months | |
Secondary | Proportion of patients with clinical improvement (return to normal life) at 6 months with correction of the immuno-metabolic signature | The correlation between clinical signs of long COVID and the immuno-metabolic signature specific of long COVID identified in the study will be assessed 6 months after inclusion. | 18 months |
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