Zusammenfassung
Hintergrund
Seit ihrer Einführung im Jahr 2006 etablierten sich die injizierbaren GLP-1-Rezeptor-Agonisten (GLP-1-RA, GLP: „glucagon-like peptide“) zur Behandlung des Diabetes mellitus Typ 2. Dies liegt zum einen an ihrer streng glukoseabhängigen Wirkung sowohl auf die Insulin- als auch die Glukagonsekretion und ihrem deswegen sehr geringen Hypoglykämierisiko. Zum anderen bewirken sie einen Gewichtsverlust und senken den Blutdruck.
Anwendung und verfügbare Wirkstoffe
GLP-1-RA werden in einfachen Standarddosierungen verabreicht. Prinzipiell stehen derzeit Moleküle auf Basis des in seiner Struktur dem GLP-1 ähnlichen Exendin-4 (Exenatid und Lixisenatid, in klinischer Prüfung: Efpeglenatid) sowie humane GLP-1-Analoga (Albiglutid, Dulaglutid, Liraglutid, in klinischer Prüfung: Semaglutid) zur Verfügung. Kurz wirksame Substanzen zur 1‑ oder 2‑mal täglichen Injektion wurden aus Exendin-4 entwickelt, die gegenwärtig verfügbaren humanen GLP-1-Analoga sind den lang wirksamen GLP-1-RA zuzuordnen und überwiegend für die 1‑mal wöchentliche Injektion konzipiert und zugelassen (Ausnahme: Liraglutid – 1‑mal tägliche Anwendung). Für eine Kombination mit einem Basalinsulin sind Mischpräparate verfügbar, zum einen Lösungen mit Liraglutid und Insulin Degludec, zum anderen Kombinationspräparate aus Lixisenatid und Insulin Glargin.
Pharmakologie
Die verschiedenen GLP-1-RA weisen Unterschiede bezüglich ihrer spezifischen pharmakologischen Effekte auf Glykämieparameter und Gewichtsabnahme sowie ihren organspezifischen Wirkungen auf, wie in diesem Beitrag dargestellt wird.
Abstract
Background
Since their introduction in the 2006, the injectable glucagon-like peptide-1 receptor agonists (GLP-1 RA) have become established in the therapy of type 2 diabetes because of their strictly glucose-dependent action on both insulin and glucagon secretion with a very low risk of hypoglycemia. They also lead to body weight loss and lower blood pressure.
Administration and active ingredients
GLP-1 RA are given in standard doses. In principle, two molecule classes are currently available: one class is based on the structurally similar exendin-4 (exenatide and lixisenatide, in clinical development: efpeglenatide), while the other class comprises human GLP-1 analogues (albiglutide, dulaglutide, liraglutide, in clinical development: semaglutide). Short-acting substances for once or twice daily injections were developed from the exendin-4 molecule; the presently available human GLP-1 analogues have been designed and approved as long-acting compounds for once weekly injections (with the exception of liraglutide for the once daily application). For a combination therapy with basal insulin, fixed combination solutions exist for liraglutide and insulin degludec as well as a combination of lixisentide and insulin glargine.
Pharmacology
The various GLP-1 RA have differences regarding their effects on glycemic parameters, on body weight, and in specific organ effects. The common characteristics and differences on the various GLP-1 RA are highlighted in this review.
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B. Gallwitz erhielt im Zeitraum 2014–2017 Honorare für die Mitarbeit in Advisory-Boards von den Firmen Amgen, AstraZeneca, Boehringer Ingelheim, Lilly, Janssen, MSD, Novartis und Novo Nordisk. Vortragshonorare erhielt er von Amgen, Abbott, AstraZeneca, Bristol Myers Squibb, Boehringer-Ingelheim, Menarini/Berlin-Chemie, Lilly, MSD, Novo Nordisk und Sanofi.
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Gallwitz, B. Rezeptoragonisten des „glucagon-like peptide 1”. Diabetologe 13, 487–497 (2017). https://doi.org/10.1007/s11428-017-0266-y
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DOI: https://doi.org/10.1007/s11428-017-0266-y