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Br J Ophthalmol 2009;93:906-913 doi:10.1136/bjo.2008.153874
  • Clinical science
    • Original Article

Efficacy and tolerability of interferon alpha treatment in patients with chronic cystoid macular oedema due to non-infectious uveitis

  1. C M E Deuter1,
  2. I Kötter2,
  3. I Günaydin2,
  4. N Stübiger1,
  5. D G Doycheva1,
  6. M Zierhut1
  1. 1
    Centre for Ophthalmology, University of Tübingen, Tübingen, Germany
  2. 2
    Department of Internal Medicine II, University of Tübingen, Tübingen, Germany
  1. Dr C M E Deuter, University Eye Hospital, Centre for Ophthalmology, University of Tübingen, Schleichstrasse 12–16, 72076 Tübingen, Germany; christoph.deuter{at}med.uni-tuebingen.de
  • Accepted 9 February 2009
  • Published Online First 24 March 2009

Abstract

Aim: To assess the efficacy and tolerability of interferon (IFN) alpha in chronic cystoid macular oedema (CMO) due to non-infectious uveitis.

Methods: Retrospective analysis of an interventional case series. IFN alpha-2a was administered at an initial dose of 3 or 6 million IU per day subcutaneously and tapered afterwards to the lowest possible dose to maintain the absence of CMO. Treatment efficacy was assessed by optical coherence tomography.

Results: Twenty-four patients with chronic CMO (median duration 36.0 months) due to non-infectious anterior (n = 2), intermediate (n = 18) or posterior (n = 4) uveitis have been analysed. Ineffective pretreatment included systemic corticosteroids (all patients), acetazolamide (22 patients) and at least one immunosuppressive drug (18 patients). IFN therapy was shown to be effective ( = complete resolution of CMO within 3 months, able to taper IFN) in 15 patients (62.5%), partly effective ( = incomplete resolution of CMO, unable to taper IFN) in six patients (25.0%) and not effective ( = no response or recurrence of CMO) in three patients (12.5%). IFN treatment was generally well tolerated. Common side effects including flu-like symptoms, fatigue or increased liver enzymes were dose-dependent and led to discontinuation of IFN in only one patient.

Conclusion: The data demonstrate IFN alpha to be an effective and well-tolerated therapy for chronic refractory uveitic CMO.

Footnotes

  • Competing interests: None.

  • Patient consent: Obtained.

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