Zusammenfassung
Hintergrund: Die Studie dient der Beurteilung der Sicherheit und Wirksamkeit der Applikation von
0,2 % Brimonidin und 0,5 % Timolol in vorgefertigter Kombination (Combigan®, Allergan
Inc.) zur Vorbeugung einer akuten Intraokulardrucksteigerung nach intravitrealer Injektion
von Ranibizumab (Lucentis®, Novartis Pharma). Patienten und Methoden: Prospektive placebokontrollierte Doppelblindstudie. 88 normotensive AMD-Patienten
wurden an einem Auge am Vortag und Tag der intravitrealen Injektion von Lucentis®
entweder mit Placebotropfen (künstliche Tränentropfen, 44 Augen) oder Combigan® Tropfen
(44 Augen) 2-mal tgl. behandelt. Der Intraokulardruck wurde 5, 10, 15 Minuten und
eine Stunde nach der Injektion gemessen. Ergebnisse: Die Placebogruppe zeigte höhere Intraokulardruckwerte an allen Messzeitpunkten. Der
höchste Intraokulardruckwert wurde fünf Minuten nach der Injektion gemessen. Der mittlere
Druck war bei der Placebogruppe 34,1 ± 2,7 mmHg nach fünf Minuten gegenüber 28,4 ±
1,1 mmHg bei der Combigan®-Gruppe (p < 0,001). Nach zehn Minuten sank der Druck bei
der Placebogruppe auf 24,9 ± 1,8 mmHg, bei der Combigan®-Gruppe auf 19,9 ± 1,1 mmHg.
Nach 15 Minuten sank der Druck bei 100 % der Combigan®-Gruppe auf unter 20 mmHg. Dies
war bei lediglich 34 % der Placebogruppe der Fall (15 Augen). Alle Studienaugen hatten
normotensive Intraokulardruckwerte nach einer Stunde. Systemische oder okuläre Nebenwirkungen
wurden nicht nachgewiesen. Schlussfolgerungen: Die Anwendung von Combigan®-Augentropfen 2-mal tgl. am Vortag und Tag der Lucentisinjektion
ist eine sichere und wirksame Maßnahme um akute Drucksteigerungen nach der Injektion
zu kupieren.
Abstract
Background: The aim of this study was to evaluate the safety and efficacy of brimonidine 0.2
% and timolol 0.5 % instillation as a fixed combination (CombiganTM , Allergan Inc.) to prevent acute intraocular pressure (IOP) increase occurring after
intravitreal injection of ranibizumab (LucentisTM , Novartis Pharma AG). Patients and Methods: A prospective double-blind placebo-controlled study was carried out. One eye of 88
consecutive normotensive age-related macular degeneration patients receiving LucentisTM was randomized into placebo drops (artificial tears, 44 patients) or CombiganTM drops (44 patients) given twice a day the day before and the day of injection. IOP
was measured before and 5, 10, 15 minutes and 1 hour after the intravitreal injection.
Results: The placebo group had the higher mean IOP at all time points after injection. Maximum
IOP increase for both groups occurred at the 5-minutes time point. Mean post-injection
IOP in the placebo group was 34.1 ± 2.7 mmHg at 5 minutes post-injection versus 28.4
± 1.1 mmHg in the CombiganTM group (P < 0.001). IOP decreased to 24.9 ± 1.8 mmHg (placebo group) and 19.9 ± 1.1
mmHg (CombiganTM group) at 10 minutes post-injection. At 15 minutes post-injection, IOP was below
20 mmHg in all eyes of the CombiganTM group (100 %), whereas at the same time point these IOP levels were reached only
by 34 % of the eyes of the placebo group (15 eyes). All eyes of both groups had a
normal IOP 1 hour post-injection. No systemic or ocular side effect was recorded in
either group. Conclusions: The use of CombiganTM drops twice a day the day before and the day of injection in eyes scheduled for intravitreal
injection of LucentisTM is a safe and effective prophylaxis to reduce the acute IOP spikes of the post-injection
period.
Schlüsselwörter
Intraokulardrucksteigerung - intravitreale Injektion - Ranibizumab - Brimonidin -
Timolol
Key words
intraocular pressure elevation - intravitreal injection - ranibizumab - brimonidine
- timolol
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John M. Katsimpris, MD, PhD
Department of Ophthalmology, General Hospital of Patras ”Agios Andreas”
Ritsou & Empeirikou Street 73
GR-26335 Patras, Greece
Phone: ++ 30/26 10/6 43 49 7 ++ 30/6 93/6 95 09 50
Fax: ++ 30/26 10/64 34 97
Email: jkatsimpris@yahoo.com