NCT06875362

Brief Summary

Evaluate the efficacy and safety of LR08 as a dietary supplement compared to a placebo in enhancing intestinal health and immune function in healthy adults.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
48

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Mar 2025

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 8, 2025

Completed
2 days until next milestone

Study Start

First participant enrolled

March 10, 2025

Completed
3 days until next milestone

First Posted

Study publicly available on registry

March 13, 2025

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 30, 2025

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2025

Completed
Last Updated

August 1, 2025

Status Verified

March 1, 2025

Enrollment Period

3 months

First QC Date

March 8, 2025

Last Update Submit

July 29, 2025

Conditions

Keywords

ProbioticsEfficacySafetyGut MicrobiotaImmune Function

Outcome Measures

Primary Outcomes (1)

  • Changes in Immune Function

    Evaluation of immune function markers, specifically immunoglobulin A (IgA) concentration, to assess the effects of LR08 supplementation compared to placebo.

    Week 0 and Week 8

Study Arms (2)

Probiotic group

ACTIVE COMPARATOR

Intervention with probiotic LR08 (30 billion CFU/day, 3g) was administered daily for 8 weeks.

Dietary Supplement: Probiotic

Placebo group

PLACEBO COMPARATOR

Every day to give 3 g maltodextrin intervention for 8 weeks.

Dietary Supplement: Placebo

Interventions

ProbioticDIETARY_SUPPLEMENT

The trial period of this study lasts for 2 months(8weeks), during which each participant will have 3 visits (at month 0, month 1, andmonth 2).

Probiotic group
PlaceboDIETARY_SUPPLEMENT

The trial period of this study lasts for 2 months(8weeks), during which each participant will have 3 visits (at month 0, month 1, andmonth 2).

Placebo group

Eligibility Criteria

Age18 Years - 45 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Willing to attend 3 follow-up visits during the intervention period
  • Agree to provide blood, urine, and stool samples twice during the intervention period
  • Good eyesight, able to read and write, and capable of wearing glasses if needed
  • Good hearing and able to fully comprehend all instructions during the intervention

You may not qualify if:

  • Presence of digestive diseases, particularly gastrointestinal disorders (e.g., celiac disease, ulcerative colitis, Crohn's disease)
  • History of serious neurological conditions (e.g., epilepsy, stroke, severe head trauma, meningitis within the last 10 years, brain surgery, brain tumor, or prolonged coma-not including general anesthesia)
  • History of or currently receiving treatment for mental health disorders such as alcohol/drug/substance abuse, schizophrenia, psychosis, or bipolar disorder
  • Currently taking medication for depression or low mood
  • Presence of internal organ failure (e.g., heart, liver, or kidney failure)
  • History of radiation therapy or chemotherapy treatments
  • Underwent general anesthesia within the past three years or are scheduled for general anesthesia within the next 3 months during the trial period
  • History of hepatitis (B or C), HIV, or syphilis

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Xu fei

Zhengzhou, Henan, 210095, China

Location

MeSH Terms

Interventions

Probiotics

Intervention Hierarchy (Ancestors)

Dietary SupplementsFoodDiet, Food, and NutritionPhysiological PhenomenaFood and Beverages

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 8, 2025

First Posted

March 13, 2025

Study Start

March 10, 2025

Primary Completion

May 30, 2025

Study Completion

June 30, 2025

Last Updated

August 1, 2025

Record last verified: 2025-03

Locations