The objective of this study is to evaluate the safety and efficacy of Bio Gelee Royale Forte compared to placebo on frequency, severity, and duration of upper respiratory tract infections (URTIs) among adults who are otherwise healthy but susceptible to URTIs during cold and flu season. Additionally, the safety and tolerability of Bio Gelee Royale Forte, as compared to placebo, will be measured by the occurrence of and/or changes in treatment emergent adverse effects.
The investigational product (IP), Bio Gelee Royale Forte, contains royal jelly which is secreted by the hypopharyngeal and mandibular glands of nurse bees. Royal jelly is commonly used as a functional food due to its antibacterial, anti-oxidant, anti-inflammatory, and anti-aging properties. While current evidence suggests royal jelly may play a role in improving human health, little is known about the effects of royal jelly on immune function. Therefore, the objective of this study is to investigate the efficacy of Bio Gelee Royale Forte compared to placebo on immune health in a healthy adult population with self-reported susceptibility to URTIs during cold and flu season.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
100
Two capsules of Bio Gelee Royale Forte will be taken in the morning on empty stomach once per day for 98 days.
Two capsules of placebo will be taken in the morning on empty stomach once per day for 98 days.
KGK Science Inc.
London, Ontario, Canada
The difference in frequency, severity, and duration of upper respiratory tract infections (URTI).
The difference in frequency, severity, and duration of URTIs as assessed by the Wisconsin Upper Respiratory Symptom Survey-24 (WURSS-24) questionnaire over the 84-day supplementation period between Bio Gelee Royale Forte and Placebo. The average severity score of each symptom is scored on scale of 0- no symptom to 7-severe symptom. A higher score would indicate worse outcome.
Time frame: Day -14 to day 84
The difference in frequency of URTIs from day -14 to day -1.
The difference in frequency of URTIs from day -14 to day -1 as assessed by the WURSS-24 questionnaire, will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to day -1
The difference in frequency of URTIs from day -14 to day 84.
The difference in frequency of URTIs from day -14 to day -1 as assessed by the WURSS-24 questionnaire will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to day 84
The difference in severity of URTI symptoms from day -14 to day -1.
The difference in severity of URTIs from day -14 to day -1 as assessed by the WURSS-24 questionnaire and determined by the average severity scores of URTI symptoms will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to day -1
The difference in severity of URTI symptoms from day -14 to day -1.
The difference in severity of URTIs from day -14 to day -1 as assessed by the WURSS-24 questionnaire and determined by the area under the curve (AUC) for daily total symptom scores will be compared between Bio Gelee Royale Forte and Placebo. Area under the curve (AUC) for URTI symptoms from WURSS-24 is calculated daily from day -14 to day -1.
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Time frame: day -14 to day -1
The difference in severity of URTI symptoms from day -14 to day 84.
The difference in severity of URTIs from day -14 to day 84 as assessed by the WURSS-24 questionnaire and determined by the average severity scores of URTI symptoms will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to day 84
The difference in severity of URTI symptoms from day -14 to day 84.
The difference in severity of URTIs from day -14 to day 84 as assessed by the WURSS-24 questionnaire and determined by the area under the curve (AUC) for daily total symptom scores will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to day 84
The difference in duration of URTI symptoms from day -14 to day -1.
The difference in duration of URTIs from day -14 to day -1 as assessed by the WURSS-24 questionnaire will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to day 84
The difference in duration of URTI symptoms from day -14 to day 84.
The difference in duration of URTIs from day -14 to day 84 as assessed by the WURSS-24 questionnaire will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to day 84
Severity of URTI symptoms over the 84-day supplementation period.
Severity of URTI symptoms over the 84-day supplementation period as determined by the average severity score of URTI symptoms. The average severity score of each symptom is scored on scale of 0- no symptom to 7-severe symptom. A higher score would indicate worse outcome.
Time frame: baseline to day 84
The difference in proportion of participants with incidence of URTIs from day -14 to day -1.
The difference in proportion of participants with incidence of URTIs from day -14 to day -1 as assessed by the WURSS-24 questionnaire will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to day -1
The difference in proportion of participants with incidence of URTIs from baseline to day 84.
The difference in proportion of participants with incidence of URTIs from baseline to day 84 as assessed by the WURSS-24 questionnaire will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: baseline to day 84
The difference in proportion of participants with incidence of URTIs from day -14 to day 84.
The difference in proportion of participants with incidence of URTIs from day -14 to day 84 as assessed by the WURSS-24 questionnaire will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to 84
The difference in number of sick days from day -14 to day -1.
The difference in number of sick days from day -14 to day -1 as assessed by the WURSS-24 questionnaire will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to day -1
The difference in number of sick days from baseline to day 84.
The difference in number of sick days from baseline to day 84 as assessed by the WURSS-24 questionnaire will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: baseline to day 84
The difference in number of sick days from day -14 to day 84.
The difference in number of sick days from day -14 to day 84 as assessed by the WURSS-24 questionnaire will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to day 84
Use of prescription and non-prescription cold/flu medications to treat URTI symptoms between day -14 to day -1.
Use of prescription and non-prescription cold/flu medications to treat URTI symptoms between day -14 to day -1 will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to day -1
Use of prescription and non-prescription cold/flu medications to treat URTI symptoms between baseline to day 84.
Use of prescription and non-prescription cold/flu medications to treat URTI symptoms between baseline to day 84 will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: baseline to day 84
Use of prescription and non-prescription cold/flu medications to treat URTI symptoms between day -14 to day 84.
Use of prescription and non-prescription cold/flu medications to treat URTI symptoms between day -14 to day 84 will be compared between Bio Gelee Royale Forte and Placebo.
Time frame: day -14 to day 84