Evaluating the Pharmacokinetics of Oregano and Potential Oregano-drug Interactions Using a Drug Cocktail Approach

Description

The purpose of this clinical trial is to determine how the supplement oregano affects how the body metabolizes pharmaceutical drugs.

Conditions

Interaction

Study Overview

Study Details

Study overview

The purpose of this clinical trial is to determine how the supplement oregano affects how the body metabolizes pharmaceutical drugs.

Evaluating the Pharmacokinetics of Oregano and Potential Oregano-drug Interactions Using a Drug Cocktail Approach

Evaluating the Pharmacokinetics of Oregano and Potential Oregano-drug Interactions Using a Drug Cocktail Approach

Condition
Interaction
Intervention / Treatment

-

Contacts and Locations

Spokane

Washington State University College of Pharmacy and Pharmaceutical Sciences, Spokane, Washington, United States, 99202

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • * Between 18-64 years old and healthy
  • * Not taking any medications (prescription and non-prescription) or dietary/herbal supplements that can interfere with study drug pharmacokinetics
  • * Willing to abstain from consuming dietary/herbal supplements and citrus juices for several weeks
  • * Willing to abstain from cannabis/marijuana, hemp, and THC- and CBD-containing products for several weeks
  • * Willing to abstain from consuming caffeinated beverages or other caffeine-containing products the evening before and the morning of the first day of each study arm
  • * Willing to abstain from consuming any alcoholic beverages for at least 1 day prior to any study day and during the study day
  • * Willing to use a secondary method of birth control that does not include the introduction or discontinuance of hormonal-based birth control (such as abstinence, copper IUD, or condoms). Specifically, regardless of the use hormonal-based birth control, a non-hormonal method should be used for the duration of the study and for three weeks following cessation of participation.
  • * Willing to abstain from consuming oregano (as a food additive or otherwise) for the duration of the study
  • * Geographically located within a 40-mile radius of Spokane and have the time to participate
  • * Under 18 or over 64 years old
  • * Taking medications or dietary/herbal supplements that can interfere with study drug pharmacokinetics
  • * Have a major illness
  • * Taking medication/supplements for a mineral deficiency
  • * History of intolerance or allergy to oregano or any of the cocktail drugs (caffeine, dextromethorphan, losartan, midazolam, and omeprazole)
  • * Use of cannabis/marijuana, hemp, and CBD- and/or THC-containing products within the last month
  • * Currently using drugs or illicit substances for recreational purposes
  • * Pregnant or nursing
  • * Geographically located outside the 40-mile radius of Spokane and do not have the time to participate
  • * Cannot read and speak English

Ages Eligible for Study

18 Years to 64 Years

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

Yes

Collaborators and Investigators

Washington State University,

Study Record Dates

2025-12-31