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Br J Ophthalmol 2003;87:1492-1496 doi:10.1136/bjo.87.12.1492
  • Clinical science
    • Extended reports

Intraocular pressure after replacement of current dual therapy with latanoprost monotherapy in patients with open angle glaucoma

  1. L E Pillunat1,
  2. L-I Larsson2,
  3. and the European and Canadian Latanoprost Study Group*
  1. 1Department of Ophthalmology, Augenklinik der Techn, Universität Dresden, Germany
  2. 2Department of Ophthalmology, Uppsala University Hospital, Uppsala, Sweden
  1. Correspondence to: Professor Lutz Pillunat Universitäts Augenklinik, Fetscherstrasse, D-01307 Dresden, Germany; directionuniklinikum-dresden.de
  • Accepted 30 March 2003

Abstract

Aims: To evaluate the efficacy and safety of replacing current dual ocular hypotensive therapy with latanoprost 0.005% monotherapy in patients with open angle glaucoma.

Methods: This randomised, open label, parallel group, multinational study included 466 patients with open angle glaucoma currently on dual ocular hypotensive therapy, including a β adrenergic receptor antagonist. Patients were assigned (1:3) to ongoing dual therapy or a switch to monotherapy with latanoprost 0.005% once daily for 6 months. Intraocular pressure (IOP) was measured at 10 am and 5 pm at baseline, month 3, and month 6. Groups were compared for differences in diurnal IOP change, IOP success rates (IOP ≤22 mm Hg with ≤15% increase from baseline), and clinical success rates (not requiring change in therapy).

Results: Baseline mean diurnal IOP was 17.8 (SD 2.0) mm Hg in the latanoprost group and 17.6 (2.1) mm Hg in the dual therapy group. After 6 months, mean diurnal IOP was reduced by 0.26 (0.18) (SEM 1.4%) mm Hg (p = 0.153) in the group switched to latanoprost and by 0.37 (0.25) (2.1%) mm Hg (p = 0.138) in those continuing dual therapy (difference: 0.11 mm Hg; p = 0.641). Success rates defined by IOP criteria were 83% for latanoprost and 89% for continued dual therapy (difference: 6%; p = 0.122). Clinical success rates were 97% for latanoprost and 99% for dual therapy (difference: 2%; p = 0.161). Ocular adverse events were reported by 23% of patients in both treatment groups.

Conclusion: Latanoprost monotherapy is a safe and effective alternative for many patients with open angle glaucoma requiring dual topical ocular hypotensive therapy for IOP control.

Footnotes

  • ↵* Members listed at the end of paper.

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