NCI Drug Dictionary

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The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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metformide hydrochloride/pioglitazone hydrochloride extended-release tablet
An extended-release (ER) tablet composed of the hydrochloride salt form of the biguanide metformin and the hydrochloride salt form of the thiazolidinedione pioglitazone, with antihyperglycemic activity. Upon oral administration and although the exact mechanism of action has yet to be fully elucidated, metformin inhibits complex I (NADPH:ubiquinone oxidoreductase) of the mitochondrial respiratory chain and increases the cellular AMP to ATP ratio leading to activation of AMP-activated protein kinase (AMPK). This modulates AMPK-mediated transcription of target genes, which prevents hepatic gluconeogenesis, decreases intestinal absorption of glucose, enhances insulin sensitivity and fatty acid oxidation, and increases glucose uptake and utilization in target tissues. Pioglitazone binds to and activates the transcription factor peroxisome proliferator-activated receptor gamma (PPAR-gamma), thereby increasing the transcription of insulin-responsive genes. This enhances insulin sensitivity of insulin-dependent tissues, decreases insulin resistance, enhances peripheral glucose utilization, and decreases hepatic glucose output. Altogether, this lowers blood glucose levels. Check for active clinical trials using this agent. (NCI Thesaurus)

Synonym:metformide HCl/pioglitazone HCl ER tablet
US brand name:ACTOplus Met XR