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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05328037
Other study ID # 2020-063
Secondary ID ID-RCB number :
Status Completed
Phase
First received
Last updated
Start date April 25, 2022
Est. completion date March 31, 2024

Study information

Verified date December 2023
Source Institut Pasteur
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Diarrheal disease is the second leading cause of death in children under five, althought it is both preventable and treatable. The causative factors of diarrheal diseases vary a lot from region to region (bacteria, viruses, parasites). Diarrhea is one of the main causes of malnutrition in children under five years of age. Inversely, nutritional deficiency, particularly vitamin C deficiency, can be a risk factor for diarrhea. The main objective of this study is to assess the impact of vitamin C deficiency on diarrheal infection in children aged 2 to 5 years in countries with a high diarrheal rate. This pilot case-control study will be conducted in metropolitan France, Africa and South America. This question will be addressed by comparing vitamin C levels in children with diarrhea, regardless of the infectious agent, to levels in age- and sex-matched controls.


Description:

Diarrheal disease is the second leading cause of death in children under five, althought it is both preventable and treatable. The causative factors of diarrheal diseases vary a lot from region to region (bacteria, viruses, parasites). Diarrhea is one of the main causes of malnutrition in children under five years of age. Inversely, nutritional deficiency, particularly vitamin C deficiency, can be a risk factor for diarrhea. The main objective of this study is to assess the impact of vitamin C deficiency on diarrheal infection in children aged 2 to 5 years in countries with a high diarrheal rate. This pilot case-control study will be conducted in metropolitan France, Africa and South America. This question will be addressed by comparing vitamin C levels in children with diarrhea, regardless of the infectious agent, to levels in age- and sex-matched controls. The study aims at (i) determining whether vitamin-deficiency may occurs in children living in developing countries and at (ii) determining the plasma vitamin A, C and E concentrations in children suffering of diarrheal diseases. A total of 360 children will participate to the study.


Recruitment information / eligibility

Status Completed
Enrollment 288
Est. completion date March 31, 2024
Est. primary completion date March 31, 2024
Accepts healthy volunteers
Gender All
Age group 2 Years to 5 Years
Eligibility Controls : Inclusion Criteria: - not suffering of diarrhea - no fever - no sign of infection Exclusion criteria : - Suspected or diagnosed infectious diseases - Known genetic diseases - Known diseases that may interfere with iron and/or vitamin C metabolism - Known inflammatory diseases - Malnutrition - Diarrhea - Fever - Positive malaria rapid diagnostic test (Africa) Chronic diarrhea cases : Inclusion Criteria: -Children suffering from chronic diarrhea defined by the emission of at least 3 soft or liquid stools per day for at least 4 weeks. Exclusion criteria : - Suspected or diagnosed infectious diseases - Known genetic diseases - Known diseases that may interfere with iron and/or vitamin C metabolism - Known inflammatory diseases - Positive malaria rapid diagnostic test (Africa) - Antibiotic treatment prescribed within 10 days prior to sampling - Nutritional supplements in the three months prior to sampling - Vitamin C supplementation in the last 3 months prior to blood collection Acute diarrhea cases : Inclusion Criteria: -Children suffering from acute diarrhea defined as 3 or more loose or watery stools per day for at least 3 consecutive days and up to 10 consecutive days. Exclusion criteria : - Malnutrition - Suspected or diagnosed infectious diseases - Known genetic diseases - Known diseases that may interfere with iron and/or vitamin C metabolism - Known inflammatory diseases - Positive malaria rapid diagnostic test (Africa) - Antibiotic treatment prescribed within 10 days prior to sampling - Nutritional supplements in the three months prior to sampling - Vitamin C supplementation in the last 3 months prior to blood collection

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Blood sample collection
Blood sample collection for dosage of vitamin C

Locations

Country Name City State
Central African Republic Complexe Pédiatrique Bangui
France Hopital Necker Paris
New Caledonia Centre Hospitalier Territorial Gaston Bourret Nouméa

Sponsors (3)

Lead Sponsor Collaborator
Institut Pasteur Institut Cochin, University of Copenhagen

Countries where clinical trial is conducted

Central African Republic,  France,  New Caledonia, 

Outcome

Type Measure Description Time frame Safety issue
Primary Plasma levels of vitamin C Plasma levels of vitamin C will be used to determine whether vitamin-deficiency may occurs in children living in developing countries 1 year
Secondary Plasma levels of vitamin A, C and E Plasma levels of vitamin A, C and E will be used to determine the plasma vitamin A, C and E concentrations in children suffering of diarrheal diseases 1 year
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