Efficacy And Safety Of Travoprost Versus Timolol To Treat Early-Onset Ocular Hypertension Secondary To Vitrectomy: A Randomized Trial
Authors Fang Y, Ku H, Gan D, Jiang R, Sun X
Received 11 July 2019
Accepted for publication 18 September 2019
Published 30 September 2019 Volume 2019:13 Pages 3453—3463
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Melinda Thomas
Peer reviewer comments 2
Editor who approved publication: Professor Jianbo Sun
Yuan Fang,1,* Hsiangyu Ku,1,* Dekang Gan,1,2 Rui Jiang,1 Xinghuai Sun1–5
1Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, Shanghai 200031, People’s Republic of China; 2Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai 200031, People’s Republic of China; 3Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Fudan University, Shanghai 200031, People’s Republic of China; 4NHC Key Laboratory of Myopia, Fudan University, Shanghai 200031, People’s Republic of China; 5State Key Laboratory of Medical Neurobiology, Institutes of Brain Science and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai 200032, People’s Republic of China
*These authors contributed equally to this work
Correspondence: Xinghuai Sun; Rui Jiang
Department of Ophthalmology and Visual Science, Eye and ENT Hospital, Shanghai Medical College, Fudan University, 83 Fenyang Road, Shanghai 200031, People’s Republic of China
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Purpose: To evaluate the efficacy and safety of travoprost 0.004% versus timolol 0.5% as an initial intraocular pressure (IOP)-lowering medication for ocular hypertension secondary to vitrectomy.
Patients and methods: We performed a randomized, controlled, observer-blinded clinical trial in the Eye & ENT Hospital of Fudan University in China. This trial was registered at www.chictr.org.cn (ChICTR1800014942) before patient enrollment. Seventy-nine adults with IOP of 25–45 mmHg secondary to vitrectomy in the latest one month were enrolled and randomized to receive travoprost 0.004% or timolol 0.5%. More drugs were administered to patients with IOP > 25 mmHg during follow-up.
Results: The mean IOP reduction at day 1 was −10.97 mmHg in the timolol group and −15.02 mmHg in the travoprost group (P = 0.006); no significant difference was observed between the groups at later time points. The number of IOP-lowering medications at day 21 was 0.64 in the timolol group and 1.15 in the travoprost group (P = 0.038), while no significant differences were observed at other time points. The proportion of single IOP-lowering medications used during the 4-week follow-up was 72.73% in the timolol group and 68.42% in the travoprost group (P = 0.692). Inflammation scores were not significantly different in the two groups at any time point. Increased ocular hyperemia occurred in 8 patients (19%) in the travoprost group and none in the timolol group (P = 0.005). There were no significant differences in other adverse events between the two groups. After logistic regression model analysis, IOP ≥ 30 mmHg, inflammation score ≥ 2, and silicone oil as tamponade were found to be the factors with significant effects on the number of IOP-lowering medications used during the 4-week follow-up.
Conclusion: Travoprost and timolol have similar efficacy and safety for treating ocular hypertension secondary to vitrectomy.
Keywords: travoprost, timolol, vitrectomy, ocular hypertension, early-onset
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