A Study of Saquinavir/Ritonavir in Liver-Impaired Patients With HIV Infection.
Effect of Moderate Liver Impairment on the Pharmacokinetics of Saquinavir After Administration of Saquinavir/Ritonavir 1000/100mg BID in HIV Patients
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 1
Contacts and Locations
Study Locations
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Ontario
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Ottawa, Ontario, Canada, K1H 8L6
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Toronto, Ontario, Canada, M5G 2C4
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San Juan, Puerto Rico, 00927
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Illinois
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Chicago, Illinois, United States, 60612
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New Jersey
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Somers Point, New Jersey, United States, 08244
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Voorhees, New Jersey, United States, 08043
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19104
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Texas
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Dallas, Texas, United States, 75204
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Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- adult patients, 18-65 years of age;
- HIV infection;
- normal liver function, or moderate liver disease (Child-Pugh grade B);
- antiretroviral therapy naive and eligible to take antiretroviral treatment as per treatment guidelines, or treatment experienced for at least 4 weeks prior to first dosing.
Exclusion Criteria:
- severe ascites at screening, or Child-Pugh grade C;
- acute infection or current malignancy requiring treatment;
- taking any inhibitor of CYP3A4 (with the exception of anti-HIV drugs) within 14 days prior to first dosing;
- taking any inducer of CYP3A4 (with the exception of anti-HIV drugs) within 4 weeks prior to pharmacokinetic evaluation (day 14 or 28);
- evidence of resistance to saquinavir.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
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Experimental: 1
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100mg po bid
1000mg po bid
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Experimental: 2
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100mg po bid
1000mg po bid
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
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Area Under the Plasma Concentration-Time Curve From Time of Administration to 12 Hours After Dosing (AUC 0-12h) of Saquinavir (SQV) and Ritonavir (RTV)
Time Frame: Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post-dose on Day 14
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Area Under the Plasma Concentration-Time Curve (AUC) is a measure of the plasma concentration of the drug over time.
It is used to characterize drug absorption.
The pharmacokinetic profile for following 14 days of administration with SQV/RTV 1000/100 mg BID included determining the area under the plasma concentration-time curve from 0 to 12 hours after dosing (AUC (0-12h) of SQV and RTV The AUC (0-12hours) was analyzed for SQV and RTV by non-compartmental methods, using WinNonlin.
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Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post-dose on Day 14
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Maximum Observed Plasma Concentration (Cmax) of SQV and RTV
Time Frame: Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post-dose on Day 14
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The plasma concentration (Cmax) is defined as maximum observed analyte concentration.
The pharmacokinetic profile for following 14 days of administration with SQV/RTV 1000/100 mg BID included determining the maximum observed plasma concentration (C max) of SQV and Ritonavir RTV The Cmax was analyzed for SQV and RTV by non-compartmental methods, using WinNonlin.
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Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post-dose on Day 14
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Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
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Time of Maximum Plasma Concentration (Tmax) of SQV and RTV
Time Frame: Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post-dose on Day 14
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The Tmax is defined as actual sampling time to reach maximum observed analyte concentration.
The Pharmacokinetic profile for following 14 days of administration with SQV/RTV 1000/100 mg BID included determining the time of maximum plasma concentration of SQV and RTV.
The Tmax was analyzed for SQV and RTV by non-compartmental methods, using WinNonlin.
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Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post-dose on Day 14
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Terminal Half-life (T1/2) of SQV and RTV
Time Frame: Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post-dose on Day 14
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Terminal half-life is the time measured for the plasma concentration to decrease by one half.
The Pharmacokinetic profile for following 14 days of administration with SQV/RTV 1000/100 mg BID included determining the terminal half-life (T1/2) of SQV and RTV.
The T1/2 was analyzed for SQV and RTV by non-compartmental methods, using WinNonlin.
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Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post-dose on Day 14
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Minimum Observed Plasma Concentration (Cmin) of SQV and RTV
Time Frame: Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post dose on Day 14
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Cmin is the minimum blood plasma concentration that a drug achieves.
The Pharmacokinetic profile for following 14 days of administration with SQV/RTV 1000/100 mg BID included determining the minimum observed plasma concentration (C min) of SQV and RTV The Cmin was analyzed for SQV and RTV by non-compartmental methods, using WinNonlin.
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Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post dose on Day 14
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Plasma Clearance After Oral Administration (CL/F) of SQV and RTV
Time Frame: Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post dose on Day 14
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The CL/F is the oral clearance; that is clearance based on oral bioavailability.
The Pharmacokinetic profile for following 14 days of administration with SQV/RTV 1000/100 mg BID included determining the plasma clearance after oral administration (CL/F)of SQV and RTV The CL/F was analyzed for SQV and RTV by non-compartmental methods, using WinNonlin.
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Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post dose on Day 14
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Volume of Distribution (Vd) of SQV and RTV
Time Frame: Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post dose on Day 14
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Vd is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired blood concentration of a drug.
The pharmacokinetic profile for following 14 days of administration with SQV/RTV 1000/100 mg BID included determining the Vd of SQV and RTV The Vd was analyzed for SQV and RTV by non-compartmental methods, using WinNonlin.
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Pre-dose and at 0.5 hr, 1hr, 2hrs, 3hrs, 4hrs, 5hrs, 6hrs, 8hrs, 10hrs, and 12 hrs post dose on Day 14
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Cluster of Differentiation 4 (CD4 ) Count
Time Frame: Screening (Day -35 to -1), pre-dose on Day 8, Day 14 and at follow up (Day 28-Day 35)
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The pharmacodynamic profile for following 14 days of administration with SQV/RTV 1000/100 mg BID included determining the cluster of differentiation 4 (CD4) count in participants in each group.
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Screening (Day -35 to -1), pre-dose on Day 8, Day 14 and at follow up (Day 28-Day 35)
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Number of Participants With the Indicated Grade 3 and Grade 4 Laboratory Parameters
Time Frame: Up to Day 35
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Laboratory parameters specified in Clinical Operating Guidelines (COG) were summarized.
AIDS Clinical Trial Group (ACTG) and American Heart Association (AHA) criteria were used to grade COG laboratory test values.
Laboratory parameters for which an increase to Grade 3 (G3) or Grade 4 (G4) occurred are presented in the table below.
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Up to Day 35
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Number Participants With Abnormal Vital Signs
Time Frame: Up to Day 35
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Abnormal Vital signs included are high and low Pulse rate (PR), high and how Temperature (Temp), high and low Systolic Blood Pressure (SBP) and high and low Diastolic Blood Pressure (DBP).
Vital signs (SBP, DBP, PR,Temp) were measured after participants were in a semi-supine position for at least 5 minutes.
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Up to Day 35
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Number of Participants With Abnormal Electrocardiogram (ECG) Findings
Time Frame: Up to Day 35
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Abnormal ECG findings included are high and low Heart Rate (HRT), high and low PQ/PR interval (PQ/PR), high and low QRS interval (QRS), high and low QT interval (QT), high and low QTCB interval (QTcB), high and low QTcF interval (QTcF), high and low RR interval (RR), high and low T Wave, high and low U Wave, high and low ECG.
The 12 Lead ECG was recorded after participants were in a semi-supine position for at least 5 minutes.
Only participants with abnormal ECG findings are presented in the table below.
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Up to Day 35
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Collaborators and Investigators
Sponsor
Sponsor
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- RNA Virus Infections
- Virus Diseases
- Blood-Borne Infections
- Communicable Diseases
- Sexually Transmitted Diseases, Viral
- Sexually Transmitted Diseases
- Lentivirus Infections
- Retroviridae Infections
- Immunologic Deficiency Syndromes
- Immune System Diseases
- Slow Virus Diseases
- HIV Infections
- Infections
- Acquired Immunodeficiency Syndrome
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Antiviral Agents
- Enzyme Inhibitors
- Anti-HIV Agents
- Anti-Retroviral Agents
- Protease Inhibitors
- Cytochrome P-450 CYP3A Inhibitors
- Cytochrome P-450 Enzyme Inhibitors
- HIV Protease Inhibitors
- Viral Protease Inhibitors
- Ritonavir
- Saquinavir
Other Study ID Numbers
Other Study ID Numbers
- BP17921
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