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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04369456
Other study ID # 20-PP-09
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date September 8, 2020
Est. completion date April 21, 2021

Study information

Verified date February 2024
Source Centre Hospitalier Universitaire de Nice
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

SARS-CoV-2 induces over-production of inflammatory cytokines, and especially interleukin-6 (IL-6). The apparently strong association between blood levels of inflammaory cytokines and SARS-CoV-2 disease severity has led clinicians to evaluate the administration of steroids or anti-IL-6 antagonists in severely ill patients. As of this day, biomarkers capable of predicting clinical disease progression in Covid-19 patients with mild-to-moderate symptoms have not yet been formally identified. Identifying such markers and evaluating their predictive value may be exploited to guide patient care management, and as such forms the core objective of this proposal. Because of strong inter-individual variations in the ability of innate immune cells to produce cytokines, the hypothesis formulate and intend to test is that innate IL-6 responsiveness varies between recently infected Covid-19 patients and could predict disease outcome. To test this hypothesis, the investigator propose to follow recently infected kidney transplant patients with moderate Covid-19 symptoms. These patients stand a higher risk to progress to severe disease. The staff plan to collect a blood sample in these patients using a system whereby ex vivo cytokine production is initiated in the very same blood collection tube without prior separation and centrifugation, thus reducing labour and operator bias. After incubation with or without known innate immune stimuli, the cell-free phase from each collection-culture tube will be assayed for IL-6 content. Associations between IL-6 content and disease outcome (encephalopathy, transfer to acute care or death) will be determined in 115 Covid-19 kidney transplant patients with moderate symptoms followed in 9 centers.


Recruitment information / eligibility

Status Completed
Enrollment 52
Est. completion date April 21, 2021
Est. primary completion date April 21, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years to 85 Years
Eligibility Inclusion Criteria: - Kidney or kidney-pancreas or kidney-heart transplant patients; - SARS-CoV-2 positive (RT-PCR); - COVID-19 symptoms at least once over a 8-day period preceding inclusion; - Hospitalized or outpatients in one of the study centers: CHU de Nice, CHU de Strasbourg, Hôpital Necker (APHP), Hôpital Kremlin Bicêtre (APHP), Hôpital Pitié-Salpétriêre (APHP), Hospices Civils de Lyon, CHU de Saint-Etienne, CHU de Montpellier, Hôpital La Conception (APHM); - Age > 18 years; - Free and informed consent. Exclusion Criteria: - Age > 85 years ; - Kidney-liver transplant patients; - Onset of symptoms (fever and/or cough) for more than 8 days; - Acute respiraytory distress despite oxygen therapy, 02 = 4L/min, arterial pressure < 85/55 mmHg or hemodynamic instability at time of inclusion, encephalopathy with Glasgow coma scale < 14; - Treatment with non-steroids anti-inflammatory agents within the last 14 days preceding onset of symptoms; - Active bacterial or fungal infection documented at inclusion; - Pregnancy; - Under guardianship or curatorship; - Non-affiliated person with Social Security

Study Design


Intervention

Other:
blood sample
a blood sample is taken on Covid-19 kidney transplant patients with moderate symptoms

Locations

Country Name City State
France Lyon Univerity Hospital Lyon
France APHM Marseille
France Montpellier University Hospital Montpellier
France University Nice Hospital Nice
France APHP Paris
France Saint Etienne University Hospital Saint-Étienne
France Strasbourg Univeristy Hospital Strasbourg

Sponsors (1)

Lead Sponsor Collaborator
Centre Hospitalier Universitaire de Nice

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Predictive value of IL-6 contents of whole blood samples after ex vivo stimulation quantity of IL-6 in of whole blood samples after ex vivo co-stimulation with LPS and ATP in Covid-19 kidney transplant patients. 10 months
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