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Therapie der diabetischen Retinopathie mit Somatostatinanaloga

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Zusammenfassung

Somatostatinanaloga sind eine Therapieoption für Patienten mit endokrinen Störungen, die mit einer chronischen Überproduktion von Wachstumshormon (GH) und Insulin-Like Growth Factor 1 (IGF-1) einhergehen. Diese Faktoren spielen auch in der Pathogenese der diabetischen Retinopathie eine wichtige Rolle. Die in der Retina exprimierten Somatostatinrezeptoren sind daher als Zielmoleküle für den Einsatz von Somatostatinanaloga in der Behandlung von vaskulären Netzhauterkrankungen, wie der diabetischen Retinopathie, hervorragend geeignet. Das Somatostatinanalogon Octreotid ist ein vielversprechendes Medikament mit guter Verträglichkeit zur Behandlung der fortgeschrittenen diabetischen Retinopathie und des diabetischen Makulaödems. Es kann die lokale und systemische Produktion von GH und IGF-1 und damit deren angiogene Effekte hemmen. Ergebnisse von Tierexperimenten und klinischen Studien an Patienten mit diabetischer Retinopathie weisen darauf hin, dass Octreotid den Krankheitsverlauf hinauszögern und bis zu einem gewissen Grad die Retinopathie verbessern kann.

Abstract

Somatostatin analogues are a therapeutic option in patients with chronic overproduction of growth hormon (GH) and insulin-like growth factor 1 (IGF-1). These factors are also involved in the pathogenesis of diabetic retinopathy. Somatostatin receptors are expressed in the retina and are therefore possible targets of somatostatin analogues in the treatment of retinal vascular diseases like diabetic retinopathy. The somatostatin analogue octreotide has shown promise as a safe and effective treatment for advanced diabetic retinopathy and diabetic macular edema. The compound blocks the local and systemic production of GH and IGF-1, and thus inhibits the angiogenic effect. Evidence from animal models, and clinical trials in patients with diabetic retinopathy, suggest that octreotide can delay, and to some extent reverse diabetic retinopathy.

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Lang, G.E. Therapie der diabetischen Retinopathie mit Somatostatinanaloga. Ophthalmologe 101, 290–293 (2004). https://doi.org/10.1007/s00347-003-0903-2

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