Trial of Maraviroc (UK-427,857) in Combination With Zidovudine/Lamivudine Versus Efavirenz in Combination With Zidovudine/Lamivudine
NCT00098293
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- Men or women at least 16 years of age (or minimum age as determined by local regulatory authorities)
- HIV-1 RNA viral load of greater than or equal to 2, 000 copies/mL
- A negative urine pregnancy test at the baseline visit for Women of Child Bearing Potential (WOCBP)
- Effective barrier contraception for WOCBP and males
- Suspected or documented active, untreated HIV-1 related opportunistic infection (OI)
or other condition requiring acute therapy
- Treatment for an active opportunistic infection, or unexplained temperature >38.5
degrees Celsius for 7 consecutive days
- Prior treatment with efavirenz, zidovudine or lamivudine or with any other
antiretroviral therapy for more than 14 days at any time
- Active alcohol or substance abuse sufficient, in the Investigator's judgment, to
prevent adherence to study medication and/or follow up
- Lactating women, or planned pregnancy during the trial period
- Suspected primary (acute) HIV-1 infection
- Previous therapy with a potentially myelosuppressive, neurotoxic, hepatotoxic and/or
cytotoxic agent within 30 days prior to randomization or the expected need for such
therapy during the study period
- Documented or suspected acute hepatitis or pancreatitis within 30 days prior to
randomization
- Significantly elevated liver enzymes or cirrhosis
- Significant neutropenia, anemia or thrombocytopenia
- Malabsorption or an inability to tolerate oral medications
- Symptomatic postural hypotension or severe cardiovascular or cerebrovascular disease
- Certain medications
- Genotypic or phenotypic resistance to efavirenz, zidovudine or lamivudine
- X4- or dual/mixed-tropic virus or repeated assay failure
- Any other clinical condition that, in the Investigator's judgement, would potentially
compromise study compliance or the ability to evaluate safety/efficacy
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Descriptive Information | ||||
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Brief Title ICMJE | Trial of Maraviroc (UK-427,857) in Combination With Zidovudine/Lamivudine Versus Efavirenz in Combination With Zidovudine/Lamivudine | |||
Official Title ICMJE | A Multicenter, Randomized, Double-Blind, Comparative Trial Of A Novel CCR5 Antagonist, UK-427,857, In Combination With Zidovudine/Lamivudine Versus Efavirenz In Combination With Zidovudine/Lamivudine For The Treatment Of Antiretroviral-Naive HIV-1 Infected Subjects | |||
Brief Summary | Maraviroc (UK-427,857), a selective and reversible CCR5 coreceptor antagonist, has been shown to be active in vitro against a wide range of clinical isolates (including those resistant to existing classes). In HIV-1 infected patients, maraviroc (UK-427,857) given as monotherapy for 10 days reduced HIV-1 viral load by up to 1.6 log, consistent with currently available agents. Safety and toleration have been studied in over 400 subjects for up to 28 days at 300 mg twice daily. No significant effects were seen on the QTc interval. The goal of this study is to compare the safety and efficacy of maraviroc (UK-427,857) versus efavirenz, when each are combined with two other antiretroviral agents, in patients who are previously naive to antiretroviral therapy. This study will involve approximately 200 centers from around the world to achieve a total randomized subject population of 1071 subjects. Patients will be randomly assigned to one of three groups: maraviroc (UK-427,857) 300 mg once daily added to zidovudine/lamivudine (300 mg/150 mg twice daily), Maraviroc (UK-427,857) 300 mg twice daily added to zidovudine/lamivudine (300 mg/150 mg twice daily) or efavirenz (600 mg once daily) added to zidovudine/lamivudine (300 mg/150 mg twice daily). The study will enroll over approximately an 18 month period (5 months Phase 2b run-in, 13 months Phase 3) with 96 weeks of treatment. This may be extended for an additional 3 years depending on the results at 96 weeks. Physical examinations will be performed at study entry, weeks 4, 8, 12, 16, 20, 24, 32, 40, 48, 60, 72, 84 and 96. Blood samples will also be taken at study entry, weeks 2, 4, 8, 12, 16, 20, 24, 32, 40, 48, 60, 72, 84 and 96. Additionally, blood samples will be drawn twice, at least 30 minutes apart, at weeks 2 and 48 for maraviroc (UK-427,857) pharmacokinetic analysis. As part of this clinical study a blood sample will be taken for non-anonymized pharmacogenetic analysis. Patients will undergo a 12-lead electrocardiogram at study entry, weeks 24, 48 and 96. A computerized tomography (CT) scan will also be performed, at selected centers, at study entry and week 96. Patients will be asked to complete a symptom distress questionnaire at study entry, weeks 12, 24, 48 and 96. | |||
Detailed Description | Not Provided | |||
Study Type ICMJE | Interventional | |||
Study Phase ICMJE | Phase 3 | |||
Study Design ICMJE | Allocation: Randomized Intervention Model: Parallel Assignment Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) Primary Purpose: Treatment | |||
Condition ICMJE | HIV-1 | |||
Intervention ICMJE |
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Study Arms ICMJE |
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Publications * |
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* Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline. | ||||
Recruitment Information | ||||
Recruitment Status ICMJE | Completed | |||
Actual Enrollment ICMJE | 916 | |||
Original Enrollment ICMJE | Not Provided | |||
Actual Study Completion Date ICMJE | December 2012 | |||
Actual Primary Completion Date | April 2007 (Final data collection date for primary outcome measure) | |||
Eligibility Criteria ICMJE | Inclusion Criteria:
Exclusion Criteria:
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Sex/Gender ICMJE |
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Ages ICMJE | 16 Years and older (Child, Adult, Older Adult) | |||
Accepts Healthy Volunteers ICMJE | No | |||
Contacts ICMJE | Contact information is only displayed when the study is recruiting subjects | |||
Listed Location Countries ICMJE | Argentina, Australia, Belgium, Brazil, Canada, Italy, Mexico, Netherlands, Poland, Puerto Rico, South Africa, Switzerland, United Kingdom, United States | |||
Removed Location Countries | ||||
Administrative Information | ||||
NCT Number ICMJE | NCT00098293 | |||
Other Study ID Numbers ICMJE | A4001026 | |||
Has Data Monitoring Committee | Yes | |||
U.S. FDA-regulated Product | Not Provided | |||
IPD Sharing Statement ICMJE | Not Provided | |||
Responsible Party | ViiV Healthcare | |||
Study Sponsor ICMJE | ViiV Healthcare | |||
Collaborators ICMJE | Pfizer | |||
Investigators ICMJE |
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PRS Account | ViiV Healthcare | |||
Verification Date | August 2013 | |||
ICMJE Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP |