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Completed Phase 1 Interventional Accepts healthy volunteers

Safety of Synbiotics as Adjuvant to Influenza Vaccine in Elderly

ClinicalTrials.gov ID: NCT01304771

Public ClinicalTrials.gov record NCT01304771. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 25, 2026, 11:48 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase I Trial of the Safety and Efficacy of Adjuvant AKSB (Agri-King Synbiotic) Synbiotic in Patients 65 Years of Age and Older Receiving the Influenza Vaccine

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Probiotics are viable commensal microorganisms that promote the establishment of beneficial microflora. Animal and human studies demonstrate that probiotics can enhance body's immune response to stimuli. Mayo Clinic in conjunction with Agri-King Corporation has developed a novel synbiotic called AKSB (Agri-King Synbiotic) that contains a probiotic bacterium (Enterococcus faecium, microencapsulated SF68 or Ventrux ME 30), a probiotic yeast (Saccharomyces cerevisiae, Lynside® Pro-Lay 1), and a prebiotic (fructo-oligosaccharide \[FOS\], NutraFlora®). This phase I placebo-controlled trial of AKSB in normal human volunteers, over 65 years of age, is designed to study the safety of this probiotic when patients are also receiving an influenza vaccine. If this study shows that AKSB is safe then our aim is to do a larger study to see if we can improve influenza vaccine immune response while taking the probiotic compared to placebo.

Study identification

NCT ID
NCT01304771
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Mayo Clinic
Other
Enrollment
22 participants

Conditions and interventions

Conditions

Interventions

Biological

Eligibility (public fields only)

Age range
65 Years and older
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 2010 (Type not available)
Primary completion
Apr 2011 (Actual)
Completion
Apr 2011 (Actual)
Last update posted
Jun 20, 2012

2010 – 2011

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Mayo Clinic Rochester Minnesota 55905 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01304771, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 20, 2012 · Synced Oct 25, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01304771 live on ClinicalTrials.gov.

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