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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.
Standard antiretroviral therapies for the treatment of HIV/AIDS, while effective for varying lengths of time, can be rendered inadequate for viral suppression by the emergence of drug resistant virus, which can include resistance to entire mechanistic classes of drugs. Thus, there exists a significant unmet medical need for new highly potent antiretroviral agents with novel mechanisms of action. The novel mechanism of action of MPC-4326 suggests that MPC-4326 may have utility for the treatment of HIV-1 infected patients failing current regimens due to the development of drug resistance.
Allocation: Randomized, Control: Active Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
MPC-4326 plus a 2-3 drug optimized background regimen (OBR), 3-4 commercially available antiretroviral drugs
AIDS Healthcare Foundation Research Center
Published on BioPortfolio: 2014-08-27T03:17:30-0400
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A method of delineating blood vessels by subtracting a tissue background image from an image of tissue plus intravascular contrast material that attenuates the X-ray photons. The background image is determined from a digitized image taken a few moments before injection of the contrast material. The resulting angiogram is a high-contrast image of the vessel. This subtraction technique allows extraction of a high-intensity signal from the superimposed background information. The image is thus the result of the differential absorption of X-rays by different tissues.
A thiosemicarbazone that is used in association with other antimycobacterial agents in the initial and continuation phases of antituberculosis regimens. Thiacetazone containing regimens are less effective than the short-course regimen recommended by the International Union Against Tuberculosis and are used in some developing countries to reduce drug costs. (From Martindale, The Extra Pharmacopoeia, 30th ed, p217)
Inbred strains of animals that are genetically identical except at a single locus, or a few specified loci, so that their known genetic differences are expressed in the same genetic background. A congenic strain is produced by outbreeding a strain and then eliminating the background by many generations of backcrosses while maintaining the desired genetic differences by selection of progeny. (Dorland, 28th ed)
Forms to which substances are incorporated to improve the delivery and the effectiveness of drugs. Drug carriers are used in drug-delivery systems such as the controlled-release technology to prolong in vivo drug actions, decrease drug metabolism, and reduce drug toxicity. Carriers are also used in designs to increase the effectiveness of drug delivery to the target sites of pharmacological actions. Liposomes, albumin microspheres, soluble synthetic polymers, DNA complexes, protein-drug conjugates, and carrier erythrocytes among others have been employed as biodegradable drug carriers.
A plant genus of the family SMILACACEAE. Members contain smiglasides (phenylpropanoid glycosides) and steroidal saponins. Commercially it is sometimes adulterated with HEMIDESMUS, which would affect experimental results.
Clinical Approvals Clinical Trials Drug Approvals Drug Delivery Drug Discovery Generics Drugs Prescription Drugs In the fields of medicine, biotechnology and pharmacology, drug discovery is the process by which drugs are dis...
AIDS and HIV
AIDS; Acquired Immune Deficiency Syndrome. HIV; Human Immunodeficiency Virus HIV infection causes AIDS. HIV infection also causes the production of anti-HIV antibodies, which forms the test for HIV in patients. People who have the HIV antibodies are ...