NCT05917015

Brief Summary

This study is designed to determine if a dieatary supplement containing beta-glucan can reduce the incidence, severity and duration of upper respiratory tract infections among a group of highly trained athletes

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
45

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Mar 2023

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 6, 2023

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

June 14, 2023

Completed
9 days until next milestone

First Posted

Study publicly available on registry

June 23, 2023

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2023

Completed
Last Updated

June 23, 2023

Status Verified

June 1, 2023

Enrollment Period

10 months

First QC Date

June 14, 2023

Last Update Submit

June 14, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • Upper respiratory tract symptoms

    The frequency, duration and severity of upper respiratory tract symptoms among study participants will be monitored via a self reported questionnaire administered daily.

    6 weeks

Secondary Outcomes (1)

  • Athlete psychological stress

    6 weeks

Study Arms (2)

Placebo Treatment

PLACEBO COMPARATOR

a placebo tablet (microcrystalline cellulose) identical in size, shape and color to the treatment

Other: Placebo

Dietary supplement intervention

EXPERIMENTAL

Participants were treated with 2 beta-glucan containing tablets per day for a total duration of 6 weeks.

Dietary Supplement: Treatment

Interventions

TreatmentDIETARY_SUPPLEMENT

Participants will receive daily 2 tablets of Proglucamune for a duration of 6 weeks. Each tablet contains \~100 mg ß-glucan derived from Baker's Yeast extract (Saccharomyces cerevisiae, cell wall), Reishi mushroom powder (Ganoderma lucidum), and Shitake mushroom powder (Lentinula edodes).

Also known as: Treatment brand name: Proglucamune (USANA Health Sciences)
Dietary supplement intervention
PlaceboOTHER

Participants will receive daily 2 placebo tablets containing microcrystalline cellulose. The size, shape and appearance of the placebo tablet is identical to the treatment tablet.

Placebo Treatment

Eligibility Criteria

Age18 Years - 30 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Provide informed consent by signing the electronic Information and Consent Form.
  • Male or females between the ages of 18 and 30 (inclusive) without regard to race or ethnic background
  • Are in generally good health and have no medical conditions that would prevent or interfere with their participation in the study
  • Are fully able and willing to comply with the requirements of the study
  • Are fully able and willing to keep scheduled appointments

You may not qualify if:

  • Females that are pregnant, attempting to become pregnant or are currently lactating/nursing a child.
  • Individuals currently taking prescription medications that are known to be immunosuppressants (e.g. dexamethasone, tacrolimus, methotrexate)
  • Individuals with gastrointestinal conditions (e.g., inflammatory bowel disease, Crohn's disease, etc.) that may affect consumption of the treatment supplements.
  • Individuals with clinically important renal, hepatic, cardiac pulmonary, pancreatic, neurologic or biliary disorders; insulin-dependent and orally controlled diabetics will also be excluded from the study.
  • Individuals with a recent history of cancer other than non-melanoma skin cancer.
  • Individual's that have trouble swallowing pills.
  • Individuals that have participated as a subject in any other clinical study within 30 days of screening.
  • Individuals with a history of alcohol abuse or other substance abuse within the previous 2 years.
  • Individuals that currently use tobacco products including chewing tobacco and cigarettes.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

US Ski and Snowboard Center of Excellence

Park City, Utah, 84060, United States

RECRUITING

MeSH Terms

Conditions

Respiratory Tract InfectionsStress, Psychological

Interventions

Therapeutics

Condition Hierarchy (Ancestors)

InfectionsRespiratory Tract DiseasesBehavioral SymptomsBehavior

Study Officials

  • Mark Levy, PhD

    USANA Health Sciences

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

June 14, 2023

First Posted

June 23, 2023

Study Start

March 6, 2023

Primary Completion

December 31, 2023

Study Completion

December 31, 2023

Last Updated

June 23, 2023

Record last verified: 2023-06

Locations