Effect of Probiotic Supplementation on Immune Function in Healthy Infants

Status Completed

Clinical Trial Summary

The purpose of this study is to understand how a probiotic might change the immune response of healthy infants.

Clinical Trial Description

PROBLEM OF INTEREST: Lactic acid bacteria known as probiotics have been given to children and adults to prevent and treat gastrointestinal infections and to maintain intestinal health. This pilot study will collect information (biomarkers) of inflammation and immune response from healthy infants.

HOW THE PROBLEM WILL BE STUDIED: The investigators will give an active Lactobacillus-containing probiotic or an inactive placebo without Lactobacillus to 38 healthy infants in the metropolitan Atlanta area from 2 weeks before until 2 weeks after they complete their rotavirus vaccine series. Half will be assigned to receive the active probiotic, half to receive the placebo. Neither the investigators nor the parent/ guardian of the study subject will know whether their infant is receiving the probiotic or placebo. A teaspoon of blood and a stool sample will be collected from each infant before they start taking the active probiotic or placebo and 2 weeks after they complete their rotavirus vaccine series. Each infant will receive the probiotic or placebo product for 2 weeks before starting their rotavirus vaccine series until 2 weeks after they complete their rotavirus vaccine series. The blood and stool samples will be examined for levels of inflammatory markers and measures of immune response. The stool samples may be stored for the later study of probiotic bacteria as well as for other bacteria and viruses. These results will help to determine if this Lactobacillus containing probiotic has an effect on immune response and inflammation in healthy infants.

HOW RESEARCH WILL ADVANCE SCIENTIFIC KNOWLEDGE AND HUMAN HEALTH: This study will provide new information about the impact of giving a Lactobacillus-containing probiotic supplement to healthy infants. CURRENT STANDARD OF CARE: The current standard of care is for infants to receive a probiotic at the discretion of their caregiver. By studying probiotic administration in a controlled way with a fixed dose schedule and a well categorized probiotic, and measuring blood and stool markers, the investigators hope to better understand the impact of a probiotic on immune response and inflammation. ;

Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)

Related Conditions & MeSH terms

Inflammation

Clinical Trial Details

NCT number	NCT01542320
Study type	Interventional
Source	Emory University
Contact
Status	Completed
Phase	N/A
Start date	March 2012
Completion date	December 2014

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Effect of Probiotic Supplementation on Immune Function in Healthy Infants — ProBoost

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms