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Effects Of Food And Dose Regimen On The Antiviral Effects Of Maraviroc (UK-427,857) In Patients With Human Immunodeficiency Virus

Phase 2
Completed
Conditions
HIV
Interventions
Registration Number
NCT00634959
Lead Sponsor
ViiV Healthcare
Brief Summary

To investigate the effects of food and dose regimen on the antiviral effects of Maraviroc (UK-427,857) in patients with human immunodeficiency virus (HIV)

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
37
Inclusion Criteria
  • Asymptomatic HIV-1 infected male and female patients
  • Weight between 50 and 100kg and within the permitted range for their height
  • Patients with virus that targets CCR5 receptor
Exclusion Criteria
  • Patients with a CD4 count <250 cells/mm3 or HIV viral load <5000 copies/mL
  • Patients whose HIV infection has been diagnosed less than 3 months prior to screening, or for who there is evidence of recent seroconversion
  • Patients with acquired immunodeficiency syndrome (AIDS) or a previous AIDS diagnosis
  • Patients who are taking or have taken antiretroviral drugs in the eight weeks prior to the study screening visit

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
3Maraviroc (UK-427,857)-
1Maraviroc (UK-427,857)-
2Maraviroc (UK-427,857)-
4Maraviroc (UK-427,857)-
5Placebo-
Primary Outcome Measures
NameTimeMethod
Change from baseline in viral loadDay 11
UK-427,857 pharmacokineticsDays 1-11
Secondary Outcome Measures
NameTimeMethod
Physical examinationDays 1, 11, 40
12-lead ECGDays 1-11 and Day 40
Relationship of change in viral load (baseline to Day 11) versus mean receptor saturation (Day 10)Days 1-11
Time course of viral load from baseline to follow-upDays 1-13 and Days 15, 19, 22, 25, 40
CCR5 receptor saturationDays 1, 5, 10, 11, 13, 15, 19, 40
Adverse eventsDays 1-40
Relationship of change in viral load (baseline to Day 11) versus baseline susceptibility (IC50 and IC90)Days 1-11
Laboratory safetyDays 1, 3, 7, 11, 15, 40
Relationship of change in viral load (baseline to Day 11) versus average and trough plasma concentrations (Day 10)Days 1-11
Supine/standing blood pressure and pulse rateDays 1-11 and Day 40
Time to rebound of viral loadDays 1-13 and Days 15, 19, 22, 25, 40

Trial Locations

Locations (1)

Pfizer Investigational Site

🇬🇧

London, United Kingdom

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