Journal
BRITISH JOURNAL OF OPHTHALMOLOGY
Volume 101, Issue 6, Pages 796-800Publisher
BMJ PUBLISHING GROUP
DOI: 10.1136/bjophthalmol-2016-309023
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Funding
- ONO Pharmaceuticals Co, Osaka, Japan
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Background/aims ONO-9054 is being developed for the reduction of intraocular pressure (IOP) in patients with ocular hypertension (OHT) and open-angle glaucoma (OAG). This study compared the novel dual EP3/FP agonist ONO-9054 with the FP agonist Xalatan. Methods Adults (n=123) with bilateral mild/moderate OAG or OHT, with unmedicated IOP of >= 24 mm Hg at 8: 00 hours, >= 21 mm Hg at 10: 00 hours and <= 36 mm Hg, were randomised 1:1 to receive ONO-9054 (0.003%, 30 mu g/mL) or Xalatan (0.005%, 50 mu g/mL) once daily for 28 days. Results Day 29 mean diurnal IOP was -7.2 mm Hg for ONO-9054 vs -6.6 mm Hg for Xalatan. At 08: 00 hours, the IOPs were comparable, and at all later time points the decrease in IOP was greater for ONO-9054. On day 29, the odds of a mean IOP reduction of <=-25%, <=-30% and <=-35% for ONO-9054 were 2.39, 2.37 and 4.85 times more, respectively, than the odds for Xalatan (p<0.05, post hoc analyses). The percentage of subjects achieving target IOPs on day 29 (<= 17, <= 16 and <= 15 mm Hg) was greater for ONO-9054 than for Xalatan; the odds of achieving an IOP <= 15 mm Hg for ONO-9054 were 2.4 times more than the odds for Xalatan (p<0.01, post hoc analysis). Conclusions Subjects randomised to receive ONO-9054 were more likely to achieve a greater per cent reduction in IOP and were more likely to achieve target IOPs than those receiving Xalatan. The effects of ONO-9054 in reducing IOP appear to persist longer than those of Xalatan.
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