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  • Intraocular pressure-lowering efficacy of bimatoprost 0.03% and travoprost 0.004% in patients with glaucoma or ocular hypertension

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Clinical science
Extended reports
Intraocular pressure-lowering efficacy of bimatoprost 0.03% and travoprost 0.004% in patients with glaucoma or ocular hypertension
  1. L B Cantor,
  2. J Hoop,
  3. L Morgan,
  4. D WuDunn,
  5. Y Catoira,
  6. The Bimatoprost–Travoprost Study Group
  1. Department of Ophthalmology, Indiana University School of Medicine, Indianapolis, Indiana, USA
  1. Correspondence to: L B Cantor Department of Ophthalmology, Indiana University Medical Center, 702 Rotary Circle, Indianapolis, IN 46202, USA;lcantor{at}iupui.edu

Abstract

Aim: To evaluate the efficacies of bimatoprost and travoprost for lowering of intraocular pressure (IOP) for the treatment of glaucoma and ocular hypertension.

Methods: Prospective, randomised, investigator-blinded, parallel-group clinical trial. After completing a washout of all glaucoma drugs, patients (n = 157) were randomised to bimatoprost or travoprost for 6 months. Visits were at baseline, 1 week, and 1, 3 and 6 months. IOP was measured at 09:00 h at each visit and also at 13:00 and 16:00 h at baseline and at 3 and 6 months.

Results: No significant between-group differences were observed in IOP at baseline, at 09:00, 13:00 or 16:00 h (p⩾0.741). After 6 months, both drugs significantly reduced IOP at every time point (p⩽0.001). After 6 months, mean IOP reduction at 09:00 h was 7.1 mm Hg (27.9%) with bimatoprost (n = 76) and 5.7 mm Hg (23.3%) with travoprost (n = 81; p = 0.014). At 13:00 h, mean IOP reduction was 5.9 mm Hg with bimatoprost (25.3%) and 5.2 mm Hg (22.4%) with travoprost (p = 0.213). At 16:00 h, the mean IOP reduction was 5.3 mm Hg (22.5%) with bimatoprost and 4.5 mm Hg (18.9%; p = 0.207) with travoprost. Both study drugs were well tolerated, with ocular redness the most commonly reported adverse event in both treatment groups.

Conclusions: Bimatoprost provided greater mean IOP reductions than travoprost.

  • IOP, intraocular pressure
  • OAG, open-angle glaucoma
  • OHT, ocular hypertension

http://dx.doi.org/10.1136/bjo.2006.094326

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    Footnotes

    • Published Online First 6 July 2006

    • The Bimatoprost–Travoprost Study Group included: Thomas Bournias, Northwestern University, Chicago, Illinois; Louis Cantor, Indiana University School of Medicine, Indianapolis, Indiana; Monte Dirks, Black Hills Regional Eye Institute, Rapid City, South Dakota; Efraim Duzman, Lakeside Vision Center, Irvine, California; Arash Mansouri, Access Eye Centers, Fredericksburg, Virginia; Thomas Mundorf, Mundorf Eye Center, Charlotte, North Carolina; Steven Simmons, Glaucoma Consultants of the Capital Region, Slingerlands, New York; Robert Williams, Taustine Eye Center, Louisville, Kentucky.

    • Funding: This study was supported by an unrestricted educational grant from Allergan, Irvine, California, USA.

    • Competing interests: Dr Cantor is a consultant for and has received speaker honoraria from Allergan, and research support from Allergan, Alcon and Pfizer. Dr WuDunn is a consultant for and has received speaker honoraria from Alcon and research support from Alcon and Pfizer. Dr Catoira has received speaker honoraria from Allergan and Pfizer.

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