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Arq. bras. endocrinol. metab ; 52(2): 279-287, mar. 2008.
Article in Portuguese | LILACS | ID: lil-480997

ABSTRACT

Desde o Diabetes Control and Complications Trial (DCCT), a terapia insulínica intensiva tem sido direcionada para alcançar valores de glicemia e hemoglobina glicada (HbA1c) tão próximos do normal quanto a segurança permita. Entretanto, a hiperglicemia (especialmente a hiperglicemia pós-prandial) e a hipoglicemia continuam a ser um problema no manejo do diabetes tipo 1. O objetivo de associar outras drogas à terapia insulínica é diminuir a glicemia pós-prandial. A terapia adjunta pode ser dividida em três grupos, conforme seu mecanismo de ação: 1. Aumento da ação da insulina (metformina e tiazolidinedionas); 2. Alteração da liberação de nutrientes no trato gastrintestinal (acarbose e amilina); 3. Outros modos de ação [pirenzepina, fator de crescimento insulina-símile (IGF-1) e peptídeo semelhante ao glucagon 1 (GLP-1). Muitos desses agentes mostraram, em estudos de curto prazo, diminuição de 0,5 por cento a 1 por cento na HbA1c, diminuir a hiperglicemia pós-prandial e as doses diárias de insulina.


Since Diabetes Control and Complications Trial (DCCT), intensive therapy has been directed at achieving glucose and glycosylated hemoglobin (HbA1c) values as close to normal as possible regarding safety issues. However, hyperglycemia (especially postprandial hyperglycemia) and hypoglicemia continue to be problematic in the management of type 1 diabetes. The objective of associating other drugs to insulin therapy is to achieve better metabolic control lowering postprandial blood glucose levels. Adjunctive therapies can be divided in four categories based on their mechanism of action: enhancement of insulin action (e.g. the biguanides and thiazolidinediones), alteration of gastrointestinal nutrient delivery (e.g. acarbose and amylin) and other targets of action (e.g. pirenzepine, insulin-like growth factor I and glucagon-like peptide-1). Many of these agents have been found to be effective in short-term studies with decreases in HbA1c of 0.5-1 percent, lowering postprandial blood glucose levels and decreasing daily insulin doses.


Subject(s)
Humans , Blood Glucose/drug effects , Diabetes Mellitus, Type 1/drug therapy , Glycated Hemoglobin/metabolism , Hypoglycemic Agents/therapeutic use , Insulin/therapeutic use , Thiazolidinediones/therapeutic use , Acarbose/metabolism , Acarbose/therapeutic use , Amyloid/metabolism , Amyloid/therapeutic use , Drug Therapy, Combination , Diabetes Mellitus, Type 1/metabolism , Gastrointestinal Tract/drug effects , Gastrointestinal Tract/metabolism , Glucagon-Like Peptide 1/analogs & derivatives , Glucagon-Like Peptide 1/metabolism , Glucagon-Like Peptide 1/therapeutic use , Hyperglycemia/drug therapy , Hyperglycemia/metabolism , Hypoglycemia/drug therapy , Incretins/metabolism , Incretins/therapeutic use , Insulin-Like Growth Factor I/metabolism , Insulin-Like Growth Factor I/therapeutic use , Metformin/therapeutic use , Muscarinic Antagonists/metabolism , Muscarinic Antagonists/therapeutic use , Postprandial Period , Pirenzepine/metabolism , Pirenzepine/therapeutic use
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