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Journal
2016 | 3 | 1 | 4-10
Article title

Ogólnoustrojowa farmakokinetyka leków anty-VEGF podawanych doszklistkowo w leczeniu wysiękowego AMD

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Title variants
EN
Systemic pharmacokinetics of intravitreal anti-VEGF medications in wet AMD treatment
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PL
Abstracts
EN
Modern therapy of wet forms of AMD is based on administration of medications in the form of intravitreal injections: bevacizumab, ranibizumab and aflibercept. The population of people exposed to a long-term effect of anti-VEGF preparations is continuously increasing. Due to the penetration of the preparations administered intravitreously into the blood circulation, the knowledge of the activity of the available preparations is particularly important in deciding about the commissioned treatment. They differ in molecular structure, binding affinity of VEGF and pharmacokinetics. Ranibizumab is characterized by a fast clearance from circulation and a short-term systemic exposure. A slower bevacizumab and aflibercept circulation clearance is related to the presence of the Fc fragment in the molecular structure. Further research on the effects of the reduction of VEGF concentration in serum is essential in the course of a long-term anti-VEGF intravitreal preparation therapy, which may affect decisions about the administered medication and the dosing regimen.
PL
Nowoczesna terapia wysiękowej postaci AMD opiera się na stosowaniu leków w formie iniekcji doszklistkowych: bewacyzumabu, ranibizumabu oraz afliberceptu. Populacja osób poddanych długotrwałej ekspozycji na działanie preparatów anty-VEGF stale rośnie. Ze względu na przenikanie leków podawanych doszklistkowo do krążenia ogólnego znajomość właściwości dostępnych preparatów jest szczególnie ważna w podejmowaniu decyzji o ordynowanym leczeniu. Różnią się one między sobą budową cząsteczki, powinowactwem wiązania VEGF oraz farmakokinetyką. Ranibizumab charakteryzuje się szybkim klirensem z krążenia i krótkotrwałą ogólnoustrojową ekspozycją. Wolniejszy klirens z krążenia bewacyzumabu i afliberceptu jest związany z obecnością fragmentu Fc w budowie cząsteczki. Niezbędne są dalsze badania nad efektami obniżenia stężenia VEGF w surowicy w przebiegu długotrwałej terapii doszklistkowymi preparatami anty-VEGF, które mogą wpłynąć na podejmowane decyzje o wyborze leku i schematu dawkowania.
Discipline
Publisher

Journal
Year
Volume
3
Issue
1
Pages
4-10
Physical description
Contributors
  • Katedra i Klinika Okulistyki, Uniwersytet Medyczny im. Piastów Śląskich we Wrocławiu, klo@usk.wroc.pl
  • Katedra i Klinika Okulistyki, Uniwersytet Medyczny im. Piastów Śląskich we Wrocławiu
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Document Type
article
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.psjd-9dd62ef1-e836-40e3-8974-832bee30bde7
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