A Study to Assess the Long-term Efficacy (24 Weeks) of MPC-4326 in Combination With a 2-3 Drug OBR Relative to the Efficacy of a 3-4 Drug ARV Regimen in Treatment Experienced HIV-1 Infected Subjects Who Are Failing Current Antiretroviral Therapy

Stopped early · Phase 2

Conditions studied: HIV Infections

In brief

This phase 2b study is designed to assess the long-term efficacy (24 weeks) of MPC-4326 in combination with a 2-3 drug optimized background regimen (OBR) relative to the efficacy of a 3-4 antiretroviral (ARV) regimen in treatment experienced, HIV-1 infected subjects.

Key facts

Study ID

NCT01026727

Run by

Myrexis Inc.

People needed

2

Starts

2009-11-01

Expected to finish

2010-06-01

Last updated by the study team

2010-06-14

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Voluntarily consent to participate in the study (sign Informed Consent Form), and able to understand study procedures and complete the study.
• Be at least 18 years of age at the time of screening.
• Have a screening plasma HIV-1 RNA value ≥ 1,000 copies/mL
• Be receiving an ARV regimen containing at least 3 drugs which has been unchanged for at least 8 weeks prior to initial screening.
• Have at least two fully active ARVs (exclusive of MPC-4326) as determined by a 'maximal response' on the vircoTYPE assay; R5 tropism testing (if applicable); and treatment history (e.g., naïve to enfuvirtide or integrase inhibitors) that can be combined in a regimen containing a maximum of four ARVs for the 3-4d ARV regimen or three ARVs for the 2-3-drug OBR to be combined with MPC-4326.
• Two NRTIs are not allowed as the only fully-active antiretroviral agents in the 3-4-drug ARV regimen or in the 2-3-drug OBR
• Must have wild type Gag at position 370 (i.e., no polymorphisms at 370)
• Have resistance to at least one agent in each of the three 'classic' ARV drug classes (NRTI, NNRTI, PI) to include documented evidence of resistance on prior resistance tests.
• Females of childbearing potential must agree to the use two forms of contraception from the time of screening until 90 days after completion of dosing.Surfactant-type spermicide gels and contraceptive foam are not recommended, as they increase the rate of HIV transmission.

You may not qualify if…

• Be pregnant or breast feeding
• Presence of any significant acute illness (as determined by the investigator) within 14 days of study entry.
• Presence of any AIDS-related opportunistic infection (Category C according to the CDC Classification System for HIV-1 Infection, 1993 Revised Version) that is unstable in the Investigator's opinion or diagnosed in the 30 days prior to study entry (i.e., Run in Period Day 1).
• A history of cerebrovascular accident or transient ischemic attacks.
• Subjects with the following laboratory parameters within 14 days prior to first dose of study drug:
• Hemoglobin < 10 g/dL for men and < 9 g/dL for women
• Absolute neutrophil count < 1000/mm3
• Platelet count < 50,000/mm3
• AST or ALT > 5 times the upper limit of normal inclusive of subjects with a positive HBV surface antigen or HCV antibody test at screening
• Calculated creatinine clearance (ClCr) <40 mL/min as determined by the Cockcroft-Gault equation
• Subjects who have received radiation therapy or cytotoxic chemotherapeutic agents within 4 weeks prior to the first dose of study drug.
• Subjects who have received treatment with immunomodulating agents such as IL-2, α IFN, β IFN or γ IFN within 4 weeks prior to the first dose of study drug.
• Subjects who use or require a prohibited therapy within 30 days prior to or while participating in this study.
• Receipt of an investigational drug or product, or participation in a drug study within a period of 30 days prior to receiving study medication. For investigational drugs with an elimination half life greater than 10 days, this period will be extended to 60 days and for antibody-based products (i.e., CD4 antibody products, etc.) this period will be extended to 3 months.

Where it is running

• AIDS Healthcare Foundation Research Center — Beverly Hills, California, United States
• Peter Wolfe, MD, PC — Los Angeles, California, United States
• Quest Clinical Research — San Francisco, California, United States
• Whitman Walker Clinic — Washington D.C., District of Columbia, United States
• Therafirst Medical Center — Fort Lauderdale, Florida, United States
• Gary J. Richmond, MD, PA — Fort Lauderdale, Florida, United States
• Wohlfeiler, Piperato and Associates, LLC — Miami Beach, Florida, United States
• Orlando Immunology Center — Orlando, Florida, United States
• AIDS Research Consortium of Atlanta — Atlanta, Georgia, United States
• Community Research Initiative of New England — Boston, Massachusetts, United States
• University of Rochester , Strong Memorial Hospital — Rochester, New York, United States
• North Bronx Health Care Network — The Bronx, New York, United States
• Duke University — Durham, North Carolina, United States
• Kaiser Permanente Immune Deficiency Clinic — Portland, Oregon, United States
• Central Texas Clinical Research — Austin, Texas, United States
• Southwest Infectious Disease — Dallas, Texas, United States
• North Texas Infectious Disease Consultants, PA — Dallas, Texas, United States
• Therapeutic Concepts, P.A — Houston, Texas, United States
• DCOL Center — Longview, Texas, United States
• CARE-ID — Annandale, Virginia, United States
• EHS Pulmonary & Critical Care — Spokane, Washington, United States
• University of British Columbia,Downtown Infectuous Diseases Clinic — Vancouver, British Columbia, Canada
• Sunnybrook Health Sciences Centre — Toronto, Ontario, Canada
• Clinique médicale l'Actuel, — Montreal, Quebec, Canada
• Clinique Médicale Quartier Latin — Montreal, Quebec, Canada

Full record on ClinicalTrials.gov

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