A Study To Evaluate The Effect of T89(Dantonic®)On P450 Enzymes

Inclusion Criteria:

• Nonsmoking Male or female 18-50 years of age, with a body mass index (BMI)18 to ≤ 30 kg/m2
• Healthy adult with no active medical problems or significant chronic diseases as determined by the study doctor based on history, physical exam and laboratory evaluations;
• Avoid eating Seville oranges, grapefruits (including grapefruit juice), broccoli, brussels sprouts, charcoal-grilled meats, alcoholic beverages, and caffeine- and theobromine-containing beverages and foods for the duration of the study beginning at the screening visit.
• Females of child bearing potential must be able to maintain adequate birth control during the study; defined as double barrier method or complete abstinence. Females of non-child bearing potential must provide documentation of tubal ligation or hysterectomy.
• Be able to provide written informed consent and comply with requirements of the study;
• Be able to read, speak and understand English

Exclusion Criteria:

• Clinically significant abnormal findings by history, physical exam, ECG, or laboratory testing as determined by the study doctor.
• Know hypersensitivity or intolerance to any of the probe substrates or the active and/or inactive ingredients in the probe substrates, flumazenil, guaifenesin, or vitamin K;
• A history of illicit drug use or a history of alcohol abuse within 1 year of screening.
• Women who are pregnant, breastfeeding, and/or not using an acceptable form of non-hormonal contraception (double barrier method or abstinence) during the study.
• History of gastrointestinal bleeding or peptic ulcer disease.
• Any condition that may affect drug absorption (e.g., gastrectomy, malabsorption syndromes).
• Had an elevated international normalized ratio (INR) time (INR> 1.2) at screening or Day-1.
• Had taken any nicotine-containing or nicotine replacement devices within 6 months before the screening visit
• Had taken any prescription drugs during the 3 months before the screening visit
• Had taken any nonprescription drugs (including natural health products, Vitamins, and herbals) during a period of 7 days prior to the screening visit
• Had received an immunization during the 2 weeks prior to the screening visit
• Had known immune deficiency disease or were positive for human immunodeficiency virus, Hepatitis B or Hepatitis C virus.
• Use of any drug known to inhibit or induce hepatic enzymes within 30 days of the first study phase.
• Regular alcohol intake exceeding 1 drink/day (1 drink = 5 ounces of wine or 12 ounces of beer or 1 ounce of hard liquor) within 7 days of screening.
• Treatment with an investigational drug within 30 days or 5 half-lives (whichever is longer) preceding the first dose of study drug.
• Presence of any condition that the investigator feels would interfere with successful completion of the study.
• Genotyping of poor metabolizers for CYP2D6, CYP2C9, and CYP2C19.