Xanthohumol and Viral Infections (XL)
Xanthohumol in the Prevention of Virus-mediated Upper Respiratory Tract Infections in Humans
1 other identifier
interventional
100
1 country
1
Brief Summary
The aim of the present study is to determine if a regular oral supplementation of xanthohumol attenuate the severity of symptoms and duration of´viral infections.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Aug 2023
Typical duration for not_applicable
1 active site
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
Study Start
First participant enrolled
August 1, 2023
CompletedFirst Submitted
Initial submission to the registry
January 17, 2024
CompletedFirst Posted
Study publicly available on registry
February 29, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 31, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
December 30, 2025
CompletedApril 15, 2025
April 1, 2025
2.3 years
January 17, 2024
April 10, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Changes in severity and duration of viral infections
Changes in score of Wisconsin Upper Respiratory Symptom Survey
90 days
Secondary Outcomes (2)
Changes in blood lipid levels
90 days
Changes in cognitive skills
90 days
Study Arms (2)
Intervention
EXPERIMENTALParticipants consume twice per day a study drink which contains 0,75 mg soluble Xanthohumol for 90 days
Placebo
EXPERIMENTALParticipants consume twice per day a study drink which contains 0 mg soluble Xanthohumol for 90 days
Interventions
Participants consume twice per day a study drink which contains 0,75 mg soluble Xanthohumol for 90 days
Participants consume twice per day a study drink which contains 0 mg soluble Xanthohumol for 90 days
Eligibility Criteria
You may qualify if:
- healthy
- BMI \>18 kg/m² or \< 28kg/m²
You may not qualify if:
- food intolerances
- food allergies
- chronic inflammatory diseases
- metabolic diseases
- intake of immunosuppressive medication
- severe acute respiratory syndrome coronavirus type 2-infection in the last 4 months
- influenza infection in the "current" flu season
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of Vienna
Vienna, 1090, Austria
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- BASIC SCIENCE
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Prof. Dr. Ina Bergheim
Study Record Dates
First Submitted
January 17, 2024
First Posted
February 29, 2024
Study Start
August 1, 2023
Primary Completion
October 31, 2025
Study Completion
December 30, 2025
Last Updated
April 15, 2025
Record last verified: 2025-04
Data Sharing
- IPD Sharing
- Will not share