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Kahook MY, Rapuano CJ, Messmer EM, Radcliffe NM, Galor A, Baudouin C. Preservatives and ocular surface disease: A review. Ocul Surf 2024; 34:213-224. [PMID: 39098762 DOI: 10.1016/j.jtos.2024.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 06/15/2024] [Accepted: 08/01/2024] [Indexed: 08/06/2024]
Abstract
Ocular surface disease (OSD) is a complex condition that can cause a range of symptoms (e.g, dryness, irritation, and pain) and can significantly impact the quality of life of affected individuals. Iatrogenic OSD, a common finding in patients with glaucoma who receive chronic therapy with topical ocular antihypertensive drugs containing preservatives such as benzalkonium chloride (BAK), has been linked to damage to the ocular surface barrier, corneal epithelial cells, nerves, conjunctival goblet cells, and trabecular meshwork. Chronic BAK exposure activates inflammatory pathways and worsens symptoms, compromising the success of subsequent filtration surgery in an exposure-dependent manner. In eyes being treated for glaucoma, symptomatic treatment of OSD may provide some relief, but addressing the root cause of the OSD often necessitates reducing or, ideally, eliminating BAK toxicity. Strategies to decrease BAK exposure in patients with glaucoma encompass the use of preservative-free formulations or drugs with alternative and less toxic preservatives such as SofZia®, Polyquad, potassium sorbate, or Purite®. Though the benefits of these alternative preservatives are largely unproven, they might be considered when financial constraints prevent the use of preservative-free versions. For patients receiving multiple topical preserved drugs, the best practice is to switch to nonpreserved equivalents wherever feasible, regardless of OSD severity. Furthermore, nonpharmacological approaches, including laser or incisional procedures, should be considered. This review explores the effects of BAK on the ocular surface and reviews strategies for minimizing or eliminating BAK exposure in patients with glaucoma in order to significantly improve their quality of life and prevent complications associated with chronic exposure to BAK.
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Affiliation(s)
- Malik Y Kahook
- Department of Ophthalmology, Sue Anschutz-Rodgers Eye Center, University of Colorado School of Medicine, Aurora, CO, United States.
| | | | - Elisabeth M Messmer
- Department of Ophthalmology, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - Nathan M Radcliffe
- New York Eye and Ear Infirmary of Mount Sinai, New York, NY, United States; New York Eye Surgery Center, The Bronx, New York, United States
| | - Anat Galor
- Ophthalmology, VA Miami Healthcare System, Miami, FL, United States; Ophthalmology, University of Miami Health System Bascom Palmer Eye Institute, Miami, FL, United States
| | - Christophe Baudouin
- Paris-Saclay, Versailles Saint Quentin University, Paris, Île-de-France, France; Centre Hospitalier National D'Ophtalmologie des Quinze-Vingts, IHU ForeSight, Paris, Île-de-France, France
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Fineide F, Lagali N, Adil MY, Arita R, Kolko M, Vehof J, Utheim TP. Topical glaucoma medications – Clinical implications for the ocular surface. Ocul Surf 2022; 26:19-49. [DOI: 10.1016/j.jtos.2022.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 11/25/2022]
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Efficacy, Safety and Patient-Reported Outcomes with Preservative-Free (PF) Tafluprost or PF-Dorzolamide/Timolol Compared with Preserved Latanoprost: A Prospective Multicenter Study in Korean Glaucoma Patients with Ocular Surface Disease. Pharmaceuticals (Basel) 2022; 15:ph15020201. [PMID: 35215313 PMCID: PMC8874539 DOI: 10.3390/ph15020201] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/20/2022] [Accepted: 02/03/2022] [Indexed: 12/16/2022] Open
Abstract
To compare the efficacy, patient-reported satisfaction, and safety of preservative-free (PF)-tafluprost, PF-dorzolamide/timolol and preservative-containing (P)-latanoprost in Korean glaucoma patients with ocular surface disease (OSD). In a multicenter, prospective, interventional, non-randomized, controlled 12-week trial, 107 eligible patients received PF-tafluprost (n = 37), PF-dorzolamide/timolol (n = 34), or P-latanoprost eye drops (n = 36). Outcomes included changes from baseline in OSD Index (OSDI) scores (primary endpoint), intraocular pressure (IOP), and patient-reported treatment satisfaction, and safety at 12 weeks. At 12 weeks, the mean total OSDI and subdomain (dry eye symptoms, visual-related function, environmental triggers) scores significantly improved from baseline with PF-tafluprost and PF-dorzolamide/timolol, but not with P-latanoprost. Significantly more PF-tafluprost than P-latanoprost recipients reported ‘highly improved/improved’ satisfaction (no significant difference between PF-dorzolamide/timolol and P-latanoprost). IOP changes were comparable among all three treatment groups. No new safety concerns were observed. PF-tafluprost and PF-dorzolamide/timolol showed statistically and clinically significant reductions in OSDI compared with P-latanoprost in Korean glaucoma patients with OSD.
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Ocular benzalkonium chloride exposure: problems and solutions. Eye (Lond) 2022; 36:361-368. [PMID: 34262161 PMCID: PMC8277985 DOI: 10.1038/s41433-021-01668-x] [Citation(s) in RCA: 69] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 06/03/2021] [Accepted: 06/22/2021] [Indexed: 02/06/2023] Open
Abstract
Preservatives in multidose formulations of topical ophthalmic medications are crucial for maintaining sterility but can be toxic to the ocular surface. Benzalkonium chloride (BAK)-used in approximately 70% of ophthalmic formulations-is well known to cause cytotoxic damage to conjunctival and corneal epithelial cells, resulting in signs and symptoms of ocular surface disease (OSD) including ocular surface staining, increased tear break-up time, and higher OSD symptom scores. These adverse effects are more problematic with chronic exposure, as in lifetime therapy for glaucoma, but can also manifest after exposure as brief as seven days. Multiple strategies are available to minimize or eliminate BAK exposure, among them alternative preservatives, preservative-free formulations including sustained release drug delivery platforms, and non-pharmacological therapies for common eye diseases and conditions. In this paper, we review the cytotoxic and clinical effects of BAK on the ocular surface and discuss existing and emerging options for ocular disease management that can minimize or eliminate BAK exposure.
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Hagras SM, Al-Duwailah OKH, Nassief MA, Abdelhameed AG. Crossover randomized study comparing the efficacy and tolerability of preservative-free Tafluprost 0.0015% to Latanoprost 0.005% in patients with primary open-angle glaucoma. Indian J Ophthalmol 2021; 69:2475-2480. [PMID: 34427247 PMCID: PMC8544051 DOI: 10.4103/ijo.ijo_165_21] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Purpose: To compare the efficacy and the tolerability of preservative-free Tafluprost 0.0015% (TP) vs Latanoprost 0.005% (LP) in patients with primary open-angle glaucoma (POAG). Methods: Prospective, randomized, crossover study included patients with early POAG attending the outpatient clinic from July 2019 to February 2020. Patients were divided into 2 groups: group A included patients receiving TP and group B receiving LP. After 2 months, treatment was stopped for 1 month (washout period) then drops were switched between the groups for further 2 months. Intraocular pressure (IOP) was recorded at baseline and monthly until 5 months. Efficacy was measured by the IOP reduction at the end of each treatment period. Tolerability was assessed both subjectively (questionnaire on ocular comfort) and objectively (ocular findings) at the end of each period. Results: A total of 30 patients were allocated into two groups (15 patients each). There was no statistically significant difference between the 2 groups in baseline clinical examinations. All the eyes in both groups achieved IOP reduction >20% compared to baseline values, with no statistically significant difference in between. Corneal erosions and conjunctival hyperemia were significantly higher in LP-treated eyes throughout the study, regardless of the sequence. Tear break-up time scores significantly worsened after LP at the 2nd and 5th month (P < 0.001and P = 0.026 respectively) but not after TP treatment (P = 0.719 and P = 0.164). Significant exacerbation in all patients’ symptoms was noticed on switching from TP to LP. Conclusion: Tafluprost was proved to exhibit a comparable effect on IOP control in POAG patients, as Latanoprost drops resulted in marked alleviation in both subjective and objective ocular discomfort manifestations.
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Affiliation(s)
- Sherein M Hagras
- Department of Ophthalmology, Mansoura University, Faculty of Medicine, Egypt
| | | | - Mona A Nassief
- Department of Ophthalmology, Tanta University, Faculty of Medicine, Egypt
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Seong HJ, Lee K, Lee SJ, Kim S, Park JW. Efficacy and Safety of Preservative-free Latanoprost Eyedrops Compared with Preserved Prostaglandin Analogues in Patients with Open-angle Glaucoma. KOREAN JOURNAL OF OPHTHALMOLOGY 2021; 35:235-241. [PMID: 34120423 PMCID: PMC8200585 DOI: 10.3341/kjo.2021.0010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 04/30/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose To evaluate the safety and efficacy of preservative-free (PF) latanoprost in glaucoma patients. Methods In this prospective, open-label, observational study, a total of 27 primary open-angle glaucoma patients who used benzalkonium chloride-preserved prostaglandin analogues for at least 6 months were enrolled. After changing the eye drops to PF lataprost, the intraocular pressure (IOP) and ocular surface symptoms and signs were evaluated in all patients on days 0 (first visit, D0), 45 (D45), and 90 (D90). Results Mean IOP remained stable during the study period (14.0 ± 2.4 mmHg at D0, 13.9 ± 2.0 mmHg at D45, 13.7 ± 2.2 mmHg at D90; p = 0.603). Mean deviation, pattern standard deviation, and best-corrected visual acuity were similar before and after eye drops replacement. Bulbar conjunctival hyperemia, corneal staining, and conjunctival staining were significantly decreased over 90 days (p = 0.025, p < 0.001, p = 0.020, respectively). The ocular surface disease index score showed a statistically significant improvement from 26.4 ± 18.5 at D0 to 19.8 ± 17.0 at D45 and 15.7 ± 15.6 at D90 (p < 0.001). In the evaluation of ocular tolerability, burning symptoms and dryness were significantly decreased (p = 0.001, p = 0.040). Conclusions The effects of PF latanoprost on reducing IOP were comparable with those of benzalkonium chloride-preserved prostaglandin analogues, but side effects on the ocular surface were much less pronounced when PF latanoprost was used. With this efficacy, PF latanoprost could slow the progression of glaucoma by increasing patient compliance.
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Affiliation(s)
- Hyo Jin Seong
- Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea.,Department of Ophthalmology, National Health Insurance Service Ilsan Hospital, Goyang, Korea
| | - Kwanghyun Lee
- Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea.,Department of Ophthalmology, National Health Insurance Service Ilsan Hospital, Goyang, Korea
| | - Seung Jae Lee
- Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea.,Department of Ophthalmology, National Health Insurance Service Ilsan Hospital, Goyang, Korea
| | | | - Jong Woon Park
- Department of Ophthalmology, National Health Insurance Service Ilsan Hospital, Goyang, Korea
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Toxicity profiles of fixed-combination eye drops for glaucoma therapy using cultivated human corneal epithelial sheets. Jpn J Ophthalmol 2020; 64:304-311. [PMID: 32338324 DOI: 10.1007/s10384-020-00742-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 01/31/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE We aimed to investigate the toxicity of 6 fixed-combination drugs for glaucoma therapy using human corneal epithelial sheets (HCES). STUDY DESIGN Experimental. MATERIALS AND METHODS We used 6 kinds of commercially available fixed-combination drugs: latanoprost/carteolol (LAT/CAR), latanoprost/timolol (LAT/TIM), tafluprost/timolol (TAF/TIM), travoprost/timolol (TRA/TIM), brinzolamide/timolol (BRZ/TIM), and dorzolamide/timolol (DRZ/TIM) including different preservatives. The cell viability and barrier function of the HCES after exposure to the eye drops for 10 or 30 minutes were assessed using the WST-1 assay and transepithelial electrical resistance (TEER) measurements, respectively. The HCES were also evaluated using hematoxylin and eosin (HE) staining and transmission electron microscopy. RESULTS The cell viability significantly decreased in the HCES treated with LAT/TIM or DRZ/TIM after 10 and 30 minutes and in those treated with BRZ/TIM after 30 minutes. The barrier function increased significantly in the HCES treated with LAT/CAR. Histologically, the HCES were damaged after treatment with LAT/TIM, BRZ/TIM, or DRZ/TIM for 30 minutes. Transmission electron microscopy indicated narrow intercellular spaces and multiple intercellular junctions in the HCES treated with LAT/CAR, TAF/TIM, or TRA/TIM. The HCES treated with DRZ/TIM, BRZ/TIM, or LAT/TIM contained cytoplasmic vacuoles and collapsed cellular structures. CONCLUSION Glaucoma fixed-combination eye drops demonstrated a different toxic effect on the cell viability, barrier function, and morphologic changes of HCES.
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Ha JY, Sung MS, Park SW. Effects of Preservative on the Meibomian Gland in Glaucoma Patients Treated with Prostaglandin Analogues. Chonnam Med J 2019; 55:156-162. [PMID: 31598473 PMCID: PMC6769241 DOI: 10.4068/cmj.2019.55.3.156] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 05/31/2019] [Accepted: 06/11/2019] [Indexed: 12/31/2022] Open
Abstract
This study compared the effect of preservative-containing (PC) and preservative-free (PF) prostaglandin analogue (PGA) formulations on the ocular surface, especially on the meibomian gland (MG) in patients with open-angle glaucoma (OAG). This is a retrospective study of treatment-naïve patients with OAG (n=80) and healthy controls (n=40). OAG patients were randomized into groups using either PC-PGA or PF-PGA for 12 months. All participants underwent ocular surface and MG examinations including their meibum score, meiboscore, and lid margin abnormality score (LAS). Eighty OAG patients were randomized into two groups (n=42 in PC, n=38 in PF). All PGA and control groups showed similar ocular surface and MG parameters at the baseline. Both PC- and PF-PGA groups showed increased meibum scores, meiboscores, and LASs at 12 months compared to the baseline (all p<0.05). At the 12-months visit, PC-PGA group showed severe OSDI, shorter TBUT, greater OSS, and worse MG parameters than those of the other two groups (all p<0.05). In addition, PF-PGA group showed worse meiboscores, meibum scores, and severe OSS scores than those of the control group (all p<0.05). Both PC and PF formulations can cause damage to the MG in patients using PGA. However, PC formulations induced more ocular discomfort, poorer ocular surface, and more severe MG loss compared to PF formulations. Therefore, it would be advisable to use PF formulations in patients with a preexisting or concomitant ocular surface disease or MGD.
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Affiliation(s)
- Jun Young Ha
- Department of Ophthalmology, Chonnam National University Hospital, Gwangju, Korea
| | - Mi Sun Sung
- Department of Ophthalmology, Chonnam National University Hospital, Gwangju, Korea
| | - Sang Woo Park
- Department of Ophthalmology, Chonnam National University Hospital, Gwangju, Korea
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Gómez-Aguayo F, Paczka JA, Leñero-Córdova R, Jiménez-Román J, Davila-Villarreal J, Hartleben C, Baiza-Durán L, Olvera-Montaño O, García-Velez F, Muñoz-Villegas P. A Phase III Randomized Clinical Trial of a 0.5% Timolol + 0.2% Brimonidine + 2.0% Dorzolamide Fixed Combination, Preservative-Free Ophthalmic Solution vs. 0.5% Timolol + 0.2% Brimonidine + 2.0% Dorzolamide Fixed Combination in Patients with Controlled Primary Open-Angle Glaucoma. Ophthalmol Ther 2018; 7:145-156. [PMID: 29680880 PMCID: PMC5997590 DOI: 10.1007/s40123-018-0128-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Indexed: 12/02/2022] Open
Abstract
Introduction The aim of this prospective crossover study was to evaluate the non-inferiority of PRO-122 (a preservative-free fixed combination) compared with 0.5% timolol + 0.2% brimonidine + 2.0% dorzolamide fixed combination (KOF) by evaluating its efficacy, tolerability and safety in subjects with controlled primary open-angle glaucoma (POAG) previously treated with KOF for at least 2 months. Methods In a prospective, crossover, randomized, double-masked multicenter study, patients previously treated with KOF were randomly assigned to receive either PRO-122 or KOF for 30 days. On day 31, the A sequence changed to KOF, while the B sequence received PRO-122. All patients remained in the protocol for 30 additional days for a total of 60 days. The main efficacy endpoint was maintaining the controlled intraocular pressure (IOP). The safety and tolerability of both products were assessed by the presence of adverse events (AEs), ocular findings, a questionnaire on ocular comfort and the VF-14 index. Results A total of 51 patients participated. After application of PRO-122 twice a day, its efficacy was demonstrated through maintenance of the controlled IOP in patients previously controlled with KOF. The crossover between PRO-122 and KOF and vice versa, after 30 days of use, did not affect IOP control. PRO-122 was shown not to be inferior to KOF in maintaining IOP at control levels. The safety of both drugs is similar, as neither presented drug-related AEs or differences regarding safety issues. The tolerability of the two medications—evaluated by ocular findings, the questionnaire on ocular comfort and the VF-14 index—was also determined to be similar. Conclusions The controlled IOP in patients with controlled POAG treated with PRO-122 was maintained both in relation to the initial controlled IOP of the study and when compared with KOF in the B sequence. Finally, the treatment with PRO-122 demonstrated similar safety and tolerability to KOF. Funding Laboratorios Sophia, S.A. de C.V. (Zapopan, Jalisco, México). Trial Registration ClinicalTrials.gov identifier: NCT03257813 (registered retrospectively).
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Affiliation(s)
| | - José A Paczka
- Unidad de Diagnóstico Temprano del Glaucoma, Zapopan, Jalisco, Mexico.,Global Glaucoma Institute, Guadalajara, Jalisco, Mexico.,Instituto de Oftalmología y Ciencias Visuales, CUCS, Universidad de Guadalajara, Guadalajara, Jalisco, Mexico
| | | | | | | | - Curt Hartleben
- Fundación de Asistencia Privada Conde de Valenciana, I.A.P., Mexico City, Mexico
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