Effects of Tipranavir (With Ritonavir) Capsule and Liquid Formulation on Cytochrome P450 and P-glycoprotein Activity in Healthy Volunteers
NCT ID: NCT02243553
Last Updated: 2014-09-18
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
PHASE1
34 participants
INTERVENTIONAL
2006-01-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Treatment A
tipranavir (TPV) capsule + ritonavir (RTV) capsule + cocktail + digoxin oral
Tipranavir capsule
Ritonavir capsule
Caffeine
Warfarin sodium
Vitamin K
Omeprazole
Dextromethorphan hydrobromide
Midazolam injection
Midazolam oral solution
Digoxin tablet
Treatment B
TPV capsule + RTV capsule + cocktail + digoxin injection
Tipranavir capsule
Ritonavir capsule
Caffeine
Warfarin sodium
Vitamin K
Omeprazole
Dextromethorphan hydrobromide
Midazolam injection
Midazolam oral solution
Digoxin injection
Treatment C
TPV solution + RTV capsule + cocktail + digoxin oral
Tipranavir solution
Ritonavir capsule
Caffeine
Warfarin sodium
Vitamin K
Omeprazole
Dextromethorphan hydrobromide
Midazolam injection
Midazolam oral solution
Digoxin tablet
Treatment D
TPV solution + RTV capsule + cocktail + digoxin injection
Tipranavir solution
Ritonavir capsule
Caffeine
Warfarin sodium
Vitamin K
Omeprazole
Dextromethorphan hydrobromide
Midazolam injection
Midazolam oral solution
Digoxin injection
Interventions
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Tipranavir capsule
Tipranavir solution
Ritonavir capsule
Caffeine
Warfarin sodium
Vitamin K
Omeprazole
Dextromethorphan hydrobromide
Midazolam injection
Midazolam oral solution
Digoxin tablet
Digoxin injection
Eligibility Criteria
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Inclusion Criteria
2. Healthy subjects aged between 18 years and 45 years inclusive
3. Weighing at least 50 kg
4. Volunteers must be hospitalized on Days 1-4, 7-9, and 17-20 for pharmacokinetic assessments for each biomarker and TPV/r (Days 7-9 and 17-20)
5. Volunteers must be willing to complete all study-related activities
6. Each volunteer must have a valid social security number
7. Each volunteer must have acceptable medical history, physical examination and laboratory test
Exclusion Criteria
2. Any finding of the medical examination (including blood pressure, pulse rate and electrocardiogram) deviating from normal and of clinical relevance
3. History or diagnosis of any significant medical conditions: Including but not limited to gastrointestinal, hepatic, renal, respiratory, cardiovascular, metabolic, immunologic, hematological, psychiatric, neurological, oncological or hormonal disorders
4. Known elevated liver enzymes in past clinical trials with any compound (experimental or marketed)
5. Clinically relevant laboratory abnormalities (e.g. Hgb\<11g/dL, Hct\<30g/dL, total cholesterol \>240mg/dL, triglycerides \>500mg/dL, fasting glucose \>130mg/dL, liver function tests \>2.5x upper limit of normal, baseline international normalized ratio \>1.2)
6. History of evidence of clinically significant hepatic, cardiac, pulmonary, endocrine, immunological, gastrointestinal, hematological, vascular or collagen disease
7. History of alcohol abuse or use of any illicit drugs
8. Unable to abstain from more than one beer or alcohol equivalent per day for the duration of the study
9. Use of tobacco products and/or history of smoking within the past 2 months
10. Pregnant or breast feeding
11. Sexually active women of childbearing age who do not use an acceptable barrier method of birth control
12. Hypersensitivity to caffeine, warfarin, vitamin K, omeprazole, dextromethorphan, midazolam, tipranavir, ritonavir or their excipients
13. Concomitant treatment with other experimental compounds
14. Concomitant administration of any prescription or over the counter medications known to alter P450 enzyme or P-gp activity
15. Concomitant administration of any prescription or over the counter medications known to be highly dependent on P450 or P-gp for clearance for which elevated plasma concentrations are known to be associated with serious toxicity
16. Concomitant administration of any food product known to alter P450 enzyme or P-gp activity such as grapefruit juice, Seville oranges
17. Concomitant administration of any drug that could affect bleeding (e.g., aspirin, clopidogrel, ticlopidine, warfarin, heparin, low-molecular weight heparin)
18. Concomitant administration of oral contraceptives (may be included with 7-day washout period)
19. Concomitant administration of any herbal medications
20. Inadequate venous access
21. Renal or hepatic insufficiency
22. Clinically unacceptable result at the screening physical examination
23. Use of investigational medications within 30 days before study entry
24. HIV-positive
25. Body Mass Index (BMI) \> 30 kg/m²
18 Years
45 Years
ALL
Yes
Sponsors
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Boehringer Ingelheim
INDUSTRY
Responsible Party
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Other Identifiers
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1182.101
Identifier Type: -
Identifier Source: org_study_id
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