Enhancing immunity in the elderly with a probiotic

Effects of LP28 on Immunity Enhancement in the Elderly

Not applicable Interventional Synbio Tech Inc. · NCT06724185

This study is testing if a probiotic called Lactobacillus plantarum LP28 can help older adults boost their immune system and reduce the chances of getting sick with colds.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment100 (estimated)
Ages50 Years to 75 Years
SexAll
SponsorSynbio Tech Inc. Industry-sponsored
Locations2 sites (Taichung and 1 other locations)
Trial IDNCT06724185 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the effects of Lactobacillus plantarum LP28 supplementation on immune function in elderly participants. The study aims to determine if this probiotic can reduce the frequency and severity of common cold infections among older adults. Participants will receive either the LP28 capsule or a placebo capsule to assess the efficacy of the intervention. The focus is on improving overall health and immunity in the aging population.

Who should consider this trial

Good fit: Ideal candidates are elderly individuals who have experienced symptoms of the common cold or tonsillitis at least twice in the past year.

Not a fit: Patients with serious underlying health conditions such as liver, kidney, or immune diseases, as well as those with mental illnesses or substance dependence, may not benefit from this study.

Why it matters

Potential benefit: If successful, this could lead to improved immune responses and reduced incidence of common colds in elderly patients.

How similar studies have performed: Other studies have shown promising results with probiotics in enhancing immunity, suggesting potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Those who had symptoms of common cold or tonsillitis at least twice in the past year.

Exclusion Criteria:

* People who have liver, kidney, immune, or neoplastic diseases diagnosed by doctor.
* People with mental illnesses such as schizophrenia or depression.
* People who have allergic rhinitis.
* People who have a current condition of drug or alcohol dependence.
* Any person is deemed inappropriate by the researcher for the clinical trial.

Where this trial is running

Taichung and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Common ColdImmunityProbiotic
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.