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Muñoz-Negrete FJ, Topouzis F, Oddone F, Nisslé S, Rokicki D, Januleviciene I, Harasymowycz P, Stalmans I. Preservative-Free Bimatoprost 0.01% Ophthalmic Gel for Glaucoma Therapy: A Phase III Randomized Controlled Trial. J Glaucoma 2024; 33:422-430. [PMID: 38506750 PMCID: PMC11146180 DOI: 10.1097/ijg.0000000000002371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 02/05/2024] [Indexed: 03/21/2024]
Abstract
PRCIS Noninferiority of efficacy was demonstrated for a preservative-free bimatoprost 0.01% compared with BAK-containing bimatoprost 0.01% following a 12-week treatment period in patients with open angle glaucoma or ocular hypertension. Improved tolerability, in particular conjunctival hyperemia, was also observed. PURPOSE To evaluate the intraocular pressure (IOP)-lowering efficacy and safety of a preservative-free bimatoprost 0.01% ophthalmic gel (PFB 0.01% gel) compared with preserved bimatoprost 0.01% (PB 0.01%). DESIGN Phase III, international, multicenter, randomized, 2-parallel group, investigator-masked, 3-month treatment duration. METHODS Patients with glaucoma or ocular hypertension were randomized after a 7-week run-in/washout period to receive once-daily PFB 0.01% gel (n=236) or PB 0.01% (n=249) for 3 months. The primary efficacy measure was changed from baseline in IOP at week 12. Safety measures included adverse events (AEs) and assessment of conjunctival hyperemia. RESULTS The mean changes from baseline in IOP at week 12 in the PFB 0.01% gel and PB 0.01% were -9.72±2.97 and -9.47±3.06 mm Hg, respectively, at 8 am , -9.41±3.03 and -9.19±3.12 mm Hg at 10 am , and -8.99±3.36 and -8.54±3.44 mm Hg at 4 pm . Noninferiority of PFB 0.01% gel to PB 0.01% was demonstrated at week 12 based on predetermined criteria (upper 95% CI margin of 1.5 mmHg at all time points). The most frequently reported AE was conjunctival hyperemia; 13 (5.5%) patients with PFB 0.01% gel and 17 (6.8%) patients with PB 0.01%. The percentage of patients experiencing a worsening from baseline in conjunctival hyperemia score was lower with PFB 0.01% gel compared to PB 0.01% at week 6 (20.1% vs. 29.3%, respectively) and week 12 (18.3% vs. 30.4%, respectively). CONCLUSIONS PFB 0.01% ophthalmic gel has the same efficacy in lowering IOP as PB 0.01% and demonstrated less aggravation of conjunctival hyperemia at weeks 6 and 12.
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Affiliation(s)
- Francisco J. Muñoz-Negrete
- Department of Ophthalmology, Hospital Universitario Ramón y Cajal
- Faculty of Medicine, University of Alcalá, IRYCIS, Madrid, Spain (Facultad de Medicina, Universidad de Alcalá, IRYCIS, Madrid, Spain)
| | - Fotis Topouzis
- Department of Ophthalmology, School of Medicine, Aristotle University of Thessaloniki, AHEPA Hospital, Thessaloniki, Greece
| | - Francesco Oddone
- Clinical and Research Institute of Ophthalmology, IRCCS—Fondazione Bietti, Rome, Italy
| | | | | | - Ingrida Januleviciene
- Department of Ophthalmology, Eye Clinic of Medical Academy of Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Paul Harasymowycz
- Department of Ophthalmology, University of Montreal
- Bellevue Ophthalmology Clinics and Montreal Glaucoma Institute, Montreal, Canada
| | - Ingeborg Stalmans
- Department of Ophthalmology, University Hospitals UZ Leuven
- Laboratory of Ophthalmology, Research Group of Ophthalmology, Catholic University KU Leuven, Leuven, Belgium
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Zeppieri M, Gagliano C, Spadea L, Salati C, Chukwuyem EC, Enaholo ES, D’Esposito F, Musa M. From Eye Care to Hair Growth: Bimatoprost. Pharmaceuticals (Basel) 2024; 17:561. [PMID: 38794131 PMCID: PMC11124470 DOI: 10.3390/ph17050561] [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: 03/25/2024] [Revised: 04/17/2024] [Accepted: 04/25/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND Bimatoprost has emerged as a significant medication in the field of medicine over the past several decades, with diverse applications in ophthalmology, dermatology, and beyond. Originally developed as an ocular hypotensive agent, it has proven highly effective in treating glaucoma and ocular hypertension. Its ability to reduce intraocular pressure has established it as a first-line treatment option, improving management and preventing vision loss. In dermatology, bimatoprost has shown promising results in the promotion of hair growth, particularly in the treatment of alopecia and hypotrichosis. Its mechanism of action, stimulating the hair cycle and prolonging the growth phase, has led to the development of bimatoprost-containing solutions for enhancing eyelash growth. AIM The aim of our review is to provide a brief description, overview, and studies in the current literature regarding the versatile clinical use of bimatoprost in recent years. This can help clinicians determine the most suitable individualized therapy to meet the needs of each patient. METHODS Our methods involve a comprehensive review of the latest advancements reported in the literature in bimatoprost formulations, which range from traditional eye drops to sustained-release implants. These innovations offer extended drug delivery, enhance patient compliance, and minimize side effects. RESULTS The vast literature published on PubMed has confirmed the clinical usefulness of bimatoprost in lowering intraocular pressure and in managing patients with glaucoma. Numerous studies have shown promising results in dermatology and esthetics in promoting hair growth, particularly in treating alopecia and hypotrichosis. Its mechanism of action involves stimulating the hair cycle and prolonging the growth phase, leading to the development of solutions that enhance eyelash growth. The global use of bimatoprost has expanded significantly, with applications growing beyond its initial indications. Ongoing research is exploring its potential in glaucoma surgery, neuroprotection, and cosmetic procedures. CONCLUSIONS Bimatoprost has shown immense potential for addressing a wide range of therapeutic needs through various formulations and advancements. Promising future perspectives include the exploration of novel delivery systems such as contact lenses and microneedles to further enhance drug efficacy and patient comfort. Ongoing research and future perspectives continue to shape its role in medicine, promising further advancements and improved patient outcomes.
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Affiliation(s)
- Marco Zeppieri
- Department of Ophthalmology, University Hospital of Udine, p.le S. Maria della Misericordia 15, 33100 Udine, Italy
| | - Caterina Gagliano
- Department of Medicine and Surgery, University of Enna “Kore”, Piazza dell’Università, 94100 Enna, Italy
- Eye Clinic, Catania University, San Marco Hospital, Viale Carlo Azeglio Ciampi, 95121 Catania, Italy
| | - Leopoldo Spadea
- Eye Clinic, Policlinico Umberto I, “ Sapienza” University of Rome, 00142 Rome, Italy
| | - Carlo Salati
- Department of Ophthalmology, University Hospital of Udine, p.le S. Maria della Misericordia 15, 33100 Udine, Italy
| | | | | | - Fabiana D’Esposito
- Imperial College Ophthalmic Research Group (ICORG) Unit, Imperial College, London NW1 5QH, UK
| | - Mutali Musa
- Department of Optometry, University of Benin, Benin City 300238, Nigeria;
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Aswin PR, Mohan N, Sundar B, Ponnat AK, Radhakrishnan S, Krishnadas SR, Schehlein E. Outcome of combined trabeculectomy with cataract surgery in patients on prostaglandin analogs and aqueous suppressants. Indian J Ophthalmol 2024; 72:439-446. [PMID: 38189457 PMCID: PMC11001227 DOI: 10.4103/ijo.ijo_2317_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 10/06/2023] [Accepted: 10/27/2023] [Indexed: 01/09/2024] Open
Abstract
PURPOSE To compare the effect of prostaglandin analogs (PGA) against other glaucoma medications (non-PGA) on the intraocular pressure (IOP) outcomes of combined trabeculectomy with phacoemulsification, and the conjunctival cell profile in persons with primary open-angle (POAG) and pseudoexfoliation glaucoma (PXFG). METHODS A prospective cohort study was conducted among 116 patients with POAG or PXFG on glaucoma medications for a minimum of 3 months undergoing glaucoma triple procedure. Patients were divided into two groups (PGA and non-PGA) based on preoperative exposure to PGA. IOP outcomes were assessed for up to 2 years. Conjunctival biopsy specimens were obtained at the time of surgery, and histopathological analysis was performed. RESULTS Forty-two patients were in the PGA group, 67 were in the non-PGA group, and seven were lost to follow-up. The non-PGA group had lesser mean postoperative IOP and needed fewer postoperative medications compared to the PGA group in all visits up to 2 years. The non-PGA group had better complete success rate (50.7% vs. 14.3%, P < 0.001). Kaplan-Meier survival estimates showed a significant difference in cumulative complete success rate between non-PGA (67%) and PGA (26%) by 24 months ( P < 0.001). The Cox proportional model showed the type of drug to be significantly associated with surgical failure. Histopathological analysis revealed that the PGA group had higher numbers for each type of inflammatory cell (except mast cells) compared to the non-PGA group. CONCLUSION Patients on PGA are likely to have a higher postoperative IOP and may need more medications for IOP control after a glaucoma triple procedure.
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Affiliation(s)
- PR Aswin
- Department of Retina and Vitreous, Aravind Eye Hospital, Tirunelveli, Tamil Nadu, India
| | - Neethu Mohan
- Department of Glaucoma Aravind Eye Hospital, Chennai, Tamil Nadu, India
| | - Balagiri Sundar
- Department of Biostatistics, Aravind Eye Hospital, Madurai, Tamil Nadu, India
| | | | | | | | - Emily Schehlein
- Wilmer Eye Institute, The Johns Hopkins University, Baltimore, Maryland, USA
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Petricca S, Celenza G, Costagliola C, Tranfa F, Iorio R. Cytotoxicity, Mitochondrial Functionality, and Redox Status of Human Conjunctival Cells after Short and Chronic Exposure to Preservative-Free Bimatoprost 0.03% and 0.01%: An In Vitro Comparative Study. Int J Mol Sci 2022; 23:ijms232214113. [PMID: 36430590 PMCID: PMC9695990 DOI: 10.3390/ijms232214113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/09/2022] [Accepted: 11/12/2022] [Indexed: 11/18/2022] Open
Abstract
Prostaglandin analogues (PGAs), including bimatoprost (BIM), are generally the first-line therapy for glaucoma due to their greater efficacy, safety, and convenience of use. Commercial solutions of preservative-free BIM (BIM 0.03% and 0.01%) are already available, although their topical application may result in ocular discomfort. This study aimed to evaluate the in vitro effects of preservative-free BIM 0.03% vs. 0.01% in the human conjunctival epithelial (HCE) cell line. Our results showed that long-term exposure to BIM 0.03% ensues a significant decrease in cell proliferation and viability. Furthermore, these events were associated with cell cycle arrest, apoptosis, and alterations of ΔΨm. BIM 0.01% does not exhibit cytotoxicity, and no negative influence on conjunctival cell growth and viability or mitochondrial activity has been observed. Short-time exposure also demonstrates the ability of BIM 0.03% to trigger reactive oxygen species (ROS) production and mitochondrial hyperpolarisation. An in silico drug network interaction was also performed to explore known and predicted interactions of BIM with proteins potentially involved in mitochondrial membrane potential dissipation. Our findings overall strongly reveal better cellular tolerability of BIM 0.01% vs. BIM 0.03% in HCE cells.
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Affiliation(s)
- Sabrina Petricca
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Giuseppe Celenza
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
- Correspondence:
| | - Ciro Costagliola
- Department of Neurosciences, Reproductive and Dentistry Sciences, University of Federico II, 80131 Naples, Italy
| | - Fausto Tranfa
- Department of Neurosciences, Reproductive and Dentistry Sciences, University of Federico II, 80131 Naples, Italy
| | - Roberto Iorio
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
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Li G, Akpek EK, Ahmad S. Glaucoma and Ocular Surface Disease: More than Meets the Eye. Clin Ophthalmol 2022; 16:3641-3649. [PMID: 36389640 PMCID: PMC9642795 DOI: 10.2147/opth.s388886] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 10/26/2022] [Indexed: 04/23/2024] Open
Abstract
Understanding the association between ocular surface disease and glaucoma is important for improving adherence to treatment and introducing practical solutions. While topical antihypertensive medications for glaucoma are well tolerated according to short-term studies, there is little evidence on their long-term effects. Since they are often required for many years, the effects of these drops on the ocular surface become important in regard to quality of life and adherence. In this nonsystematic review performed in April 2022, we summarize what is known about the relationship between glaucoma and ocular surface disease. Specifically, we examine how each class of topical glaucoma drops affects the ocular surface. We then review the treatment of ocular surface disease for patients on topical glaucoma therapy. Finally, we discuss treatments that may reduce or eliminate the burden of topical medications.
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Affiliation(s)
- Gavin Li
- Department of Ophthalmology at the Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Esen Karamursel Akpek
- Ocular Surface Disease Clinic, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Sumayya Ahmad
- Department of Ophthalmology at the Icahn School of Medicine at Mount Sinai, New York, NY, USA
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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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Xu KM, Cho R, Chan TYB. Retrospective Analysis of Switching Bimatoprost 0.01% to Bimatoprost 0.03% in Patients with Various Types of Glaucoma and Ocular Hypertension. Clin Ophthalmol 2022; 16:2385-2390. [PMID: 35936971 PMCID: PMC9346412 DOI: 10.2147/opth.s368214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 07/05/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Kai Man Xu
- Faculty of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Ryan Cho
- Faculty of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Toby Yiu Bong Chan
- Division of Ophthalmology, Department of Surgery, McMaster University, Waterloo Regional Campus, Kitchener-Waterloo, Ontario, Canada
- Ocular Health Centre, Kitchener, Ontario, Canada
- Correspondence: Toby Yiu Bong Chan, Ocular Health Center, Unit 501, 31 Kingsbury Dr, Kitchener, Ontario, N2A0K5, Canada, Tel +1 519 208 8104, Fax +1 519 208 8101, Email
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Filippelli M, Campagna G, Ciampa N, Fioretto G, Giannini R, Marino PF, dell’Omo R, Costagliola C. Ocular Tolerability of Bimatoprost 0.1 mg/mL Preservative-Free versus Bimatoprost 0.1 mg/mL with Benzalkonium Chloride or Bimatoprost 0.3 mg/mL Preservative-Free in Patients with Primary Open-Angle Glaucoma. J Clin Med 2022; 11:jcm11123518. [PMID: 35743588 PMCID: PMC9224644 DOI: 10.3390/jcm11123518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 06/14/2022] [Accepted: 06/17/2022] [Indexed: 12/21/2022] Open
Abstract
This study aimed to evaluate whether the therapeutic switch from a formulation of Bimatoprost 0.1 mg/mL with benzalkonium chloride (BAK) or Bimatoprost 0.3 mg/mL preservative-free to a formulation of Bimatoprost 0.1 mg/mL preservative-free could improve eye surface conditions in patients with glaucoma; intraocular pressure (IOP) was also evaluated. All patients meeting the inclusion criteria were eligible for the therapeutic switch to Bimatoprost 0.1 mg/mL preservative-free. At each check visit, enrolled patients underwent a break-up time (BUT) test, an ocular surface disease index (OSDI) test, and a three-point tonometric curve. A total of 40 patients were enrolled (23 were in therapy with Bimatoprost 0.1 mg/mL with BAK and 17 with Bimatoprost 0.3 mg/mL preservative-free). Significant differences of OSDI and BUT between Bimatoprost 0.1 mg/mL with BAK at baseline vs. Bimatoprost 0.1 mg/mL preservative-free at 14 and 28 days (p < 0.0001 and p = 0.0003, respectively) were recorded. Similarly, significant differences of OSDI and BUT between Bimatoprost 0.3 mg/mL preservative-free at baseline vs. Bimatoprost 0.1 mg/mL preservative-free at 14 and 28 days (p < 0.0001 for both) were found. Bimatoprost 0.1 mg/mL preservative-free has a better tolerability profile associated with non-therapeutical inferiority in the control of IOP compared to the other Bimatoprost formulations.
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Affiliation(s)
- Mariaelena Filippelli
- Department of Medicine and Health Sciences, “V. Tiberio”, University of Molise, 86100 Campobasso, Italy; (R.d.); (C.C.)
- Correspondence:
| | - Giuseppe Campagna
- Department of Medical-Surgical Sciences and Translational Medicine, University of Rome “Sapienza”, 00185 Rome, Italy;
| | - Nicola Ciampa
- Department of Neurosciences, Reproductive Sciences and Dentistry, University of Naples Federico II, 80138 Naples, Italy; (N.C.); (G.F.); (P.F.M.)
| | - Gaetano Fioretto
- Department of Neurosciences, Reproductive Sciences and Dentistry, University of Naples Federico II, 80138 Naples, Italy; (N.C.); (G.F.); (P.F.M.)
| | - Roberta Giannini
- Department of Ophthalmology, San Camillo Hospital, 00152 Rome, Italy;
| | - Pier Franco Marino
- Department of Neurosciences, Reproductive Sciences and Dentistry, University of Naples Federico II, 80138 Naples, Italy; (N.C.); (G.F.); (P.F.M.)
| | - Roberto dell’Omo
- Department of Medicine and Health Sciences, “V. Tiberio”, University of Molise, 86100 Campobasso, Italy; (R.d.); (C.C.)
| | - Ciro Costagliola
- Department of Medicine and Health Sciences, “V. Tiberio”, University of Molise, 86100 Campobasso, Italy; (R.d.); (C.C.)
- Department of Neurosciences, Reproductive Sciences and Dentistry, University of Naples Federico II, 80138 Naples, Italy; (N.C.); (G.F.); (P.F.M.)
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Carnevale C, Riva I, Roberti G, Michelessi M, Tanga L, Verticchio Vercellin AC, Agnifili L, Manni G, Harris A, Quaranta L, Oddone F. Confocal Microscopy and Anterior Segment Optical Coherence Tomography Imaging of the Ocular Surface and Bleb Morphology in Medically and Surgically Treated Glaucoma Patients: A Review. Pharmaceuticals (Basel) 2021; 14:581. [PMID: 34207162 PMCID: PMC8234834 DOI: 10.3390/ph14060581] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 06/14/2021] [Accepted: 06/14/2021] [Indexed: 01/21/2023] Open
Abstract
Glaucoma patients often suffer from ocular surface disease (OSD) caused by the chronic administration of topical anti-glaucoma medications, especially in cases of long-term therapy with preserved or multiple drugs. Additionally, glaucoma surgery may determine ocular surface changes related to the formation and location of the filtering bleb, the application of anti-mitotic agents, and the post-operative wound-healing processes within the conjunctiva. Recently, several studies have evaluated the role of advanced diagnostic imaging technologies such as in vivo confocal microscopy (IVCM) and anterior segment-optical coherence tomography (AS-OCT) in detecting microscopic and macroscopic features of glaucoma therapy-related OSD. Their clinical applications are still being explored, with recent particular attention paid to analyzing the effects of new drug formulations and of minimally invasive surgical procedures on the ocular surface status. In this review, we summarize the current knowledge about the main changes of the ocular surface identified at IVCM and AS-OCT in glaucoma patients under medical therapy, or after surgical treatment.
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Affiliation(s)
- Carmela Carnevale
- IRCCS-Fondazione Bietti, Rome, Via Livenza, 3, 00198 Rome, Italy; (C.C.); (G.R.); (M.M.); (L.T.); (G.M.)
| | - Ivano Riva
- Department of Surgical & Clinical, Diagnostic and Pediatric Sciences, Section of Ophthalmology, University of Pavia—IRCCS Fondazione Policlinico San Matteo, 27100 Pavia, Italy; (I.R.); (L.Q.)
| | - Gloria Roberti
- IRCCS-Fondazione Bietti, Rome, Via Livenza, 3, 00198 Rome, Italy; (C.C.); (G.R.); (M.M.); (L.T.); (G.M.)
| | - Manuele Michelessi
- IRCCS-Fondazione Bietti, Rome, Via Livenza, 3, 00198 Rome, Italy; (C.C.); (G.R.); (M.M.); (L.T.); (G.M.)
| | - Lucia Tanga
- IRCCS-Fondazione Bietti, Rome, Via Livenza, 3, 00198 Rome, Italy; (C.C.); (G.R.); (M.M.); (L.T.); (G.M.)
| | - Alice C. Verticchio Vercellin
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai Hospital, New York, NY 10029, USA; (A.C.V.V.); (A.H.)
| | - Luca Agnifili
- Ophthalmology Clinic, Department of Medicine and Aging Science, University G. d’Annunzio of Chieti—Pescara, 66100 Chieti, Italy;
| | - Gianluca Manni
- IRCCS-Fondazione Bietti, Rome, Via Livenza, 3, 00198 Rome, Italy; (C.C.); (G.R.); (M.M.); (L.T.); (G.M.)
- Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, Viale Oxford 81, 00133 Rome, Italy
| | - Alon Harris
- Department of Ophthalmology, Icahn School of Medicine at Mount Sinai Hospital, New York, NY 10029, USA; (A.C.V.V.); (A.H.)
| | - Luciano Quaranta
- Department of Surgical & Clinical, Diagnostic and Pediatric Sciences, Section of Ophthalmology, University of Pavia—IRCCS Fondazione Policlinico San Matteo, 27100 Pavia, Italy; (I.R.); (L.Q.)
| | - Francesco Oddone
- IRCCS-Fondazione Bietti, Rome, Via Livenza, 3, 00198 Rome, Italy; (C.C.); (G.R.); (M.M.); (L.T.); (G.M.)
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Sung SM, Kim JH, Lee CE, Lee KW, Seo S. Effect and Safety of Travoprost 0.003% in Open Angle Glaucoma. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2021. [DOI: 10.3341/jkos.2021.62.4.531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Aydemir GA, Demirok G, Eksioglu U, Yakin M, Ornek F. The Effect of Long-Term Usage of Single-Agent Antiglaucomatous Drops with Different Preservatives on Cornea Biomechanics. BEYOGLU EYE JOURNAL 2021; 6:24-30. [PMID: 35005488 PMCID: PMC8651039 DOI: 10.14744/bej.2021.76376] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 01/08/2021] [Indexed: 06/14/2023]
Abstract
OBJECTIVES This study examined the effect of antiglaucomatous drops with different preservatives on corneal biomechanics using the ocular response analyzer (ORA) (Reichert Technologies, Inc., Depew, NY, USA). METHODS Patients using antiglaucomatous medical treatment containing a single agent combined with a preservative for at least 1 year who underwent a control examination between January and December 2017 at a glaucoma unit were included in this retrospective study. The patients were divided into 5 groups according to the antiglaucomatous agent and preservative ingredients. Measurements were taken with the ORA and compared with a control group. RESULTS A total of 83 eyes treated eyes were included and analyzed. Thirty-three eyes of 33 patients were treated with latanoprost+benzalkonium chloride (BAC), 17 eyes of 17 patients were treated with travoprost+polyquad, 7 eyes of 7 patients were treated with bimatoprost+BAC, 18 eyes of 18 patients were treated with brimonidine+purite, 8 eyes of 8 patients were treated with brimonidine+BAC. A control group of 23 eyes of 23 healthy patients was also assessed for comparison. A significant decrease in corneal hysteresis (CH) and corneal resistance factor (CRF) was seen in the patients using bimatoprost+BAC and brimonidine+BAC when compared with the control group. Evaluation of the bimatoprost+BAC group and the latanoprost+BAC group revealed that the CH and the CRF was significantly lower in the group using bimatoprost+BAC (p<0.01). CONCLUSION It has been reported that CH is a more important prognostic marker than central corneal thickness in glaucoma patients. Loss of visual field progresses faster in eyes with a low CH. Both preservatives and the active antiglaucomatous agents in medications can affect CH. Variation in CH in patients using antiglaucomatous drops over a long period is important in both the progression and follow-up of the disease.
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Affiliation(s)
- Gozde Aksoy Aydemir
- Department of Ophthalmology, Adiyaman University Training and Research Hospital, Adiyaman, Turkey
| | - Gulizar Demirok
- Department of Ophthalmology, Health Sciences University, Ankara Training and Research Hospital, Ankara, Turkey
| | - Umit Eksioglu
- Department of Ophthalmology, Baskent University Ankara Hospital, Ankara, Turkey
| | - Mehmet Yakin
- Department of Ophthalmology, Health Sciences University, Ankara Training and Research Hospital, Ankara, Turkey
| | - Firdevs Ornek
- Department of Ophthalmology, Health Sciences University, Ankara Training and Research Hospital, Ankara, Turkey
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Ocular Surface Changes in Prostaglandin Analogue-Treated Patients. J Ophthalmol 2019; 2019:9798272. [PMID: 31885896 PMCID: PMC6925925 DOI: 10.1155/2019/9798272] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Accepted: 11/25/2019] [Indexed: 11/18/2022] Open
Abstract
Glaucoma is the second leading cause of blindness globally. Reducing intraocular pressure (IOP) has been acknowledged to be the main therapy for glaucoma. Prostaglandin analogues (PGAs) have become the first-line therapy for patients with glaucoma due to their powerful efficacy for lowering (IOP). However, usage of PGAs can also cause several notable side effects, including the changes in ocular surface. The relationship between PGAs and ocular surface changes is complicated and still remains unclear. In the present review, we summarize the recent studies of the effects of PGAs on ocular changes as well as the possible mechanisms that might provide new considerations during clinical medication.
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Suchonwanit P, Harnchoowong S, Chanasumon N, Sriphojanart T. Comparison of the efficacy and safety of using 0.01% versus 0.03% bimatoprost for the treatment of eyebrow hypotrichosis: A randomized, double‐blind, split‐face, comparative study. J Cosmet Dermatol 2019; 19:714-719. [DOI: 10.1111/jocd.13079] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 06/19/2019] [Indexed: 11/29/2022]
Affiliation(s)
- Poonkiat Suchonwanit
- Division of Dermatology, Faculty of Medicine Ramathibodi Hospital, Mahidol University Bangkok Thailand
| | - Sarawin Harnchoowong
- Division of Dermatology, Faculty of Medicine Ramathibodi Hospital, Mahidol University Bangkok Thailand
| | - Nongsak Chanasumon
- Division of Dermatology, Faculty of Medicine Ramathibodi Hospital, Mahidol University Bangkok Thailand
| | - Tueboon Sriphojanart
- Division of Dermatology, Faculty of Medicine Ramathibodi Hospital, Mahidol University Bangkok Thailand
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Bimatoprost loaded nanovesicular long-acting sub-conjunctival in-situ gelling implant: In vitro and in vivo evaluation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 103:109730. [PMID: 31349399 DOI: 10.1016/j.msec.2019.05.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 05/07/2019] [Accepted: 05/07/2019] [Indexed: 11/22/2022]
Abstract
Primary treatment for glaucoma relies on chronic instillation (daily) of intraocular pressure (IOP) lowering eye drops. Present study tends to develop and assess a novel sustained release bimatoprost loaded nanovesicular (BMT-NV) - thermosensitive in-situ gelling implant (BMT-NV-GEL-IM), for subconjunctival delivery. BMT-NVs developed using novel composition and method of preparation, (IPA/700/DEL/2014) and industrially viable methodology were characterized and evaluated comprehensively for ocular suitability. Their incorporation into an in-situ gelling formula was safe (in vitro and in vivo) and stable upon sterilization. Autoclavability was an important consideration, as a preservative-free, single-use BMT-NV-GEL-IM will avoid side- effects associated with repetitive application of drops containing preservatives like benzalkonium chloride (BAK). An extended in vitro release of BMT (80.23%) was observed for 10 days while the IOP lowering effect extended over 2 months with single subconjunctival injection of BMT-NV-GEL-IM in rats. No clinical signs of irritation, inflammation, or infection were observed in any injected eye, throughout the study, as also confirmed by histology. Furthermore, single administration of BMT-NV-GEL as topical drop lowered the IOP over 5 days. Presence of significant diffuse fluorescence in confocal microscopy of internal eye tissues post-in vivo application, as subconjunctival implant, even after 2 month and eye drops upto1 week provide direct evidence of successful sustained delivery. We thus provide an improved modality for antiglaucoma medication in patients who are challenged to adhere to a regimen of daily eye drops.
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Rossi GCM, Scudeller L, Lumini C, Mirabile AV, Picasso E, Bettio F, Pasinetti GM, Bianchi PE. An in vivo confocal, prospective, masked, 36 months study on glaucoma patients medically treated with preservative-free or preserved monotherapy. Sci Rep 2019; 9:4282. [PMID: 30862874 PMCID: PMC6414598 DOI: 10.1038/s41598-019-41038-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 01/29/2019] [Indexed: 12/18/2022] Open
Abstract
The aim of this study was to evaluate the in vivo effects at 3 years of preservative-free tafluprost on corneal health. It was a prospective, masked, study on consecutive patients with a new prescription of preservative-free (PF) tafluprost (naïve-N or switched-S, 44 and 14 patients), and preserved (P) bimatoprost 0.003% or travoprost 0.004% (P-group, 35 patients). A complete ophthalmic examination and an in vivo corneal confocal microscopy evaluation were performed at baseline and every 6 months for 3 years. Ninety-three patients were enrolled, clinical parameters were similar in the groups at baseline, apart from intraocular pressure (IOP) which was lower in the S-group (p = 0.012). Both at baseline and over time, confocal microscopy parameters had different trends. At baseline, keratocyte activation was similar in the three groups (p = 0.43) but over the next months naïve patients treated with PF-tafluprost presented a significant (p = 0.004) reduction in keratocyte activation. Sub-basal nerves tended to increase in patients switched to PF-tafluprost (p = 0.07) while were stable in the other two groups (p = 0.11 in PF and 0.40 in P group). Grade of tortuosity was stable over time in the three groups. Beading-like formations were stable over time for the P- and the PF-group, while significantly increased in the S-group (p = 0.027). Endothelial density values were statistically different at baseline (p = 0.007), they decreased both in PF-group and in S-group (p = 0.048 and 0.001, respectively), while increased in P-group (p = 0.006). Our study is the first to show that a PF-tafluprost formulation does not significantly alter the corneal structures as examined by confocal microscopy after 36 months of topical daily therapy, while improving corneal alterations due to chronic preserved therapies.
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Affiliation(s)
- Gemma Caterina Maria Rossi
- University Eye Clinic, Università degli Studi di Pavia, IRCCS Policlinico San Matteo Foundation, Pavia, Italy.
| | - Luigia Scudeller
- Clinical Epidemiology and Biometric Unit, Scientific Direction, Fondazione IRCCS Policlinico S. Matteo, Pavia, Italy
| | - Chiara Lumini
- University Eye Clinic, Università degli Studi di Pavia, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Alessandra Venera Mirabile
- University Eye Clinic, Università degli Studi di Pavia, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Erica Picasso
- University Eye Clinic, Università degli Studi di Pavia, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | - Federica Bettio
- University Eye Clinic, Università degli Studi di Pavia, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
| | | | - Paolo Emilio Bianchi
- University Eye Clinic, Università degli Studi di Pavia, IRCCS Policlinico San Matteo Foundation, Pavia, Italy
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Sekar P, Chauhan A. Effect of vitamin-E integration on delivery of prostaglandin analogs from therapeutic lenses. J Colloid Interface Sci 2019; 539:457-467. [DOI: 10.1016/j.jcis.2018.12.036] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 12/08/2018] [Accepted: 12/10/2018] [Indexed: 10/27/2022]
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Tear biomarkers in latanoprost and bimatoprost treated eyes. PLoS One 2018; 13:e0201740. [PMID: 30080906 PMCID: PMC6078293 DOI: 10.1371/journal.pone.0201740] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2017] [Accepted: 07/20/2018] [Indexed: 01/28/2023] Open
Abstract
Purpose Prostaglandin analogues (PGA’s) are the mainstay and first line of treatment in current glaucoma practise. Though latanoprost and bimatoprost are the most commonly used PGA’s with minimal side effects at lower concentrations like bimaotoprost 0.01%, direct comparison of their cytokine/MMP profile in tears has not been evaluated earlier. The study intends to ascribe PGA to the upregulation of MMPs, Cytokines and Chemokines mediating varied pathways to result in side effects of the drugs. Methods Tear sample collection was done from outer canthus of 30 eyes of 30 patients (primary open angle glaucoma (n = 26 and n’ = 20), normal tension glaucoma (n = 4 and n’ = 10), in latanoprost (n) 0.005% and bimatoprost (n’) 0.01% group respectively, with a mean age of 62±10.5 years) on >6 months of PGA use using Tear floTM Schirmer filter strip. Tear samples from 30 eyes of 30 cataract patients without drug treatment were used as the control. Gelatinolytic activity of MMP-9 and MMP-2 were examined by substrate gelatine zymography MMP-1 and TIMP-1 concentrations from tears samples with PGAs were evaluated by ELISA while cytokine concentration in the eluted tears was evaluated using a convenient bioplex kit assay (Milliplex MAP kit, HCYTMAG-60K-PX41, Millipore, Massachusetts, United States). The mean duration of use of PGA in both groups did not differ significantly (median 1.3 years in bimatoprost and 1.1 years in latanoprost eyes, p = 0.6). Results The tear MMP-9 expression was higher in eyes receiving latanoprost while the MMP-2 expression was higher in eyes receiving bimatoprost with MMP1 protein levels being higher in the former. Latanoprost treated eyes had marginally elevated tear cytokines involved in tissue remodelling while bimatoprost eyes showed elevated cytokines regulating allergic pathways. Conclusion Differential cytokine and MMP expression indicates differential signalling pathways mediating different cellular effects (evident as clinical and side effects) with the two drugs which can be explored further.
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Shen J, Goodkin ML, Tong W, Attar M. Ocular pharmacokinetics and tolerability of bimatoprost ophthalmic solutions administered once or twice daily in rabbits, and clinical dosing implications. Clin Ophthalmol 2017; 11:1761-1767. [PMID: 29026287 PMCID: PMC5627754 DOI: 10.2147/opth.s143428] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Purpose Fixed-combination medications can benefit patients requiring multiple agents to lower their intraocular pressure (IOP), but combining agents with complementary mechanisms of action is challenging if their dosing frequency differs. This study compares in vivo pharmacokinetic and ocular tolerability of bimatoprost 0.01% ophthalmic solutions dosed once or twice daily. Reports of twice-daily dosing in glaucoma patients are also reviewed. Methods New Zealand White rabbits were administered bimatoprost 0.01% monotherapy or fixed-combination bimatoprost 0.01%/brimonidine 0.1%, once or twice daily in both eyes for 4 days. Ocular tissues were harvested and analyzed by liquid chromatography-tandem mass spectrometry. The pharmacokinetic parameters calculated included maximum observed concentration, time to maximum concentration, and area under the concentration-time curve. Results Due to extensive metabolism, bimatoprost concentration was below the quantitation limit by 1 hour post-dose in all samples. Bimatoprost acid exposure, however, could be measured up to 6–8 hours post-dose and was similar in the aqueous humor and iris-ciliary body (pharmacological site of action) of animals treated once or twice daily with either bimatoprost 0.01% or fixed-combination bimatoprost 0.01%/brimonidine 0.1%. Increasing dosage frequency in rabbits did not raise the incidence of drug-related conjunctival hyperemia (most common adverse event associated with bimatoprost use in humans), suggesting comparable ocular tolerability of the once- and twice-daily regimens for each formulation. Conclusion Bimatoprost 0.01% administered once or twice daily as monotherapy and in fixed-combination with brimonidine 0.1% in rabbits show similar pharmacokinetic profiles of bimatoprost acid, especially in the iris-ciliary body. Key findings from previous clinical studies suggest that by varying the concentration of benzalkonium chloride (a preservative with corneal penetration-enhancing properties), formulations of bimatoprost 0.01% can be administered once or twice daily. These findings support development of bimatoprost 0.01%-based fixed-dose combination therapies administered twice daily for patients who require multiple adjunctive medications to control their IOP.
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Affiliation(s)
| | | | | | - Mayssa Attar
- Clinical Pharmacology, Metabolism and Immunology, Allergan plc, Irvine, CA, USA
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Deshpande SS, Sonty S, Ahmad A. Evaluating intraocular pressure-lowering solutions for the treatment of open-angle glaucoma: comparison between bimatoprost 0.03% and bimatoprost 0.01% - an observational switch study. Clin Ophthalmol 2017; 11:1371-1376. [PMID: 28794615 PMCID: PMC5538690 DOI: 10.2147/opth.s137537] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
PURPOSE The purpose of this study is to evaluate the intraocular pressure (IOP)-lowering efficacy of bimatoprost 0.01% solution in patients with primary open-angle glaucoma (POAG), who were switched from bimatoprost 0.03% solution, compared to patients with POAG who continued on bimatoprost 0.03% solution. METHODS A retrospective review evaluated 35 patients (35 right eyes [OD], 34 left eyes [OS]) who remained on bimatoprost 0.03% and 30 patients (27 OD, 30 OS) who were switched to bimatoprost 0.01% during the period January 8, 2010 to December 26, 2012. Mean IOP was measured 6 and 3 months before the switch, at switch, and 3, 6, and 12 months after the switch. Hyperemia scores were recorded before and after the switch and were compared to a picture scale. RESULTS Mean IOP in the group that switched was 16.96±5.03 mmHg in OD and 17.67±5.33 mmHg in OS at baseline. Mean IOP postswitch to bimatoprost 0.01% solution was 17.60±4.34 mmHg in OD and 17.00±3.37 mmHg in OS. IOP was not significantly reduced in either OD or OS postswitch to bimatoprost 0.01% (P1=0.5 OD, P2=0.2 OS). The hyperemia scores improved remarkably when bimatoprost 0.03% solution was switched to bimatoprost 0.01% solution (P<0.001). CONCLUSION To our knowledge, this is the first switch study evaluating the hypotensive efficacy and tolerability of bimatoprost in a group of patients with open-angle glaucoma. In this study comparing bimatoprost 0.03% and 0.01% solution, we found improved tolerability postswitch to 0.01% from 0.03% bimatoprost, similar efficacy between the two concentrations before and after switch in the same patient population, and similar IOPs comparable to nonswitch bimatoprost 0.03% solution.
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Affiliation(s)
| | - Sriram Sonty
- Glaucoma Section, Midwest Eye Center, Calumet City.,Glaucoma Section, Department of Ophthalmology, University of Illinois at Chicago, Chicago, IL, USA
| | - Afzal Ahmad
- Glaucoma Section, Midwest Eye Center, Calumet City
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Lewis RA, Christie WC, Day DG, Craven ER, Walters T, Bejanian M, Lee SS, Goodkin ML, Zhang J, Whitcup SM, Robinson MR, Aung T, Beck AD, Christie WC, Coote M, Crane CJ, Craven ER, Crichton A, Day DG, Durcan FJ, Flynn WJ, Gagné S, Goldberg DF, Jinapriya D, Johnson CS, Kurtz S, Lewis RA, Mansberger SL, Perera SA, Rotberg MH, Saltzmann RM, Schenker HI, Tepedino ME, Yap-Veloso MIR, Uy HS, Walters TR. Bimatoprost Sustained-Release Implants for Glaucoma Therapy: 6-Month Results From a Phase I/II Clinical Trial. Am J Ophthalmol 2017; 175:137-147. [PMID: 28012819 DOI: 10.1016/j.ajo.2016.11.020] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 11/30/2016] [Accepted: 11/30/2016] [Indexed: 10/20/2022]
Abstract
PURPOSE To evaluate the safety and intraocular pressure (IOP)-lowering effect of a biodegradable bimatoprost sustained-release implant (Bimatoprost SR). DESIGN Phase I/II, prospective, 24-month, dose-ranging, paired-eye controlled clinical trial. METHODS At baseline following washout, open-angle glaucoma patients (n = 75) were administered Bimatoprost SR (6 μg, 10 μg, 15 μg, or 20 μg) intracamerally in the study eye; the fellow eye began topical bimatoprost 0.03% once daily. Rescue topical IOP-lowering medication or a single repeat treatment with implant was allowed. The primary endpoint was IOP change from baseline. The main safety measure was adverse events. Results through month 6 are reported. RESULTS Bimatoprost SR provided rapid, sustained IOP lowering. Overall mean IOP reduction from baseline through week 16 in study eyes was 7.2, 7.4, 8.1, and 9.5 mm Hg with the 6-μg, 10-μg, 15-μg, and 20-μg dose strengths of implant, respectively, vs 8.4 mm Hg in topical bimatoprost-treated pooled fellow eyes (data censored at rescue/retreatment). Rescue/retreatment was not required in 91% and 71% of study eyes up to week 16 and month 6, respectively. Adverse events in study eyes usually occurred within 2 days after the injection procedure and were transient. Conjunctival hyperemia with onset later than 2 days after the injection procedure was more common with topical bimatoprost than Bimatoprost SR (17.3% vs 6.7% of eyes). CONCLUSIONS Bimatoprost SR demonstrated favorable efficacy and safety through 6 months. All dose strengths were comparable to topical bimatoprost in overall IOP reduction through week 16. A single administration controlled IOP in the majority of patients for up to 6 months.
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Chen YY, Wang TH, Liu C, Wu KY, Chiu SL, Simonyi S, Lu DW. Tolerability and efficacy of bimatoprost 0.01 % in patients with open-angle glaucoma or ocular hypertension evaluated in the Taiwanese clinical setting: the Asia Pacific Patterns from Early Access of Lumigan 0.01 % (APPEAL Taiwan) study. BMC Ophthalmol 2016; 16:162. [PMID: 27633513 PMCID: PMC5025541 DOI: 10.1186/s12886-016-0338-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 08/23/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND In randomized, controlled trials of open-angle glaucoma (OAG) or ocular hypertension (OHT), bimatoprost 0.01 % improved tolerability while retaining the intraocular pressure (IOP)-lowering efficacy of bimatoprost 0.03 %. Given geographic/racial differences in glaucoma presentation, the APPEAL study assessed the occurrence and severity of hyperemia produced by bimatoprost 0.01 %, and its efficacy, in the Taiwanese clinical setting. METHODS In this multicenter, open-label, observational study, treatment-naïve and previously treated patients with OHT or OAG received once-daily bimatoprost 0.01 % for 12 weeks. Hyperemia (primary endpoint) was graded at baseline, week 6, and week 12 using a photonumeric scale (0, +0.5, +1, +2, +3), grouped (≤ +1, none to mild; ≥ +2, moderate to severe), and reported as unchanged from baseline, improved, or worsened. IOP assessments followed the same schedule. Supplemental efficacy analyses were conducted based on previous therapies. RESULTS The intent-to-treat population (N = 312) included treatment-naïve (13.5 %) and previously treated (86.5 %) patients; mean age was 53.3 years. At baseline, 46.3 % of previously treated patients were receiving prostaglandin analog (PGA) monotherapy. At week 12, 91.2 %, 5.9 %, and 2.9 % of treatment-naïve patients exhibited unchanged, worsened, and improved hyperemia from baseline, respectively; 77.9 %, 12.9 %, and 9.2 % of previously treated patients showed no change, worsening, and improvement, respectively. There were no statistically significant shifts in hyperemia severity in either group, or in subgroups based on previous use of any PGA, any non-PGA, latanoprost, or travoprost monotherapies. In treatment-naïve patients, mean IOP reduction from baseline (18.0 ± 3.8 mm Hg) was 3.6 mm Hg at week 12 (P < 0.0001); 83.3 % had baseline IOP ≤ 21 mm Hg. In previously treated patients, mean additional IOP reduction from baseline (17.8 ± 3.9 mm Hg) was 2.6 mm Hg (P < 0.0001); similar results were observed in patient subgroups based on previous therapies. CONCLUSIONS In the Taiwanese clinical setting, bimatoprost 0.01 % provided significant IOP lowering in treatment-naïve patients (regardless of baseline IOP) and previously treated patients (even those with relatively low IOP on other therapies), while causing no significant changes in hyperemia from baseline. TRIAL REGISTRATION Clinicaltrials.gov NCT01814761 . Registered 18 March 2013.
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Affiliation(s)
- Ying Ying Chen
- Kaohsiung Veterans General Hospital, Kaohsiung City, Taiwan
| | | | - Catherine Liu
- Taipei Veterans General Hospital, Taipei City, Taiwan
| | - Kwou-Yeung Wu
- Kaohsiung Medical University Hospital, Kaohsiung City, Taiwan
| | | | | | - Da-Wen Lu
- Tri-Service General Hospital, Taipei City, Taiwan.
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Stevens A, Iliev ME, de Jong L, Grobeiu I, Hommer A. A combined analysis of four observational studies evaluating the intraocular pressure-lowering ability and tolerability of bimatoprost 0.01% in patients with primary open-angle glaucoma or ocular hypertension. Clin Ophthalmol 2016; 10:635-41. [PMID: 27103783 PMCID: PMC4827922 DOI: 10.2147/opth.s89904] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Objective Combine and evaluate data from four clinical practice studies investigating the intraocular pressure (IOP)-lowering ability, tolerability of and patient adherence to bimatoprost 0.01% therapy in patients with primary open-angle glaucoma or ocular hypertension. Methods Data were combined from four multicenter, prospective, observational studies. Patients (n=2,593) were recruited from 328 sites in Austria, Belgium, Switzerland, and the Netherlands. Assessments were at study entry (baseline) and after 10–14 weeks. Results Bimatoprost 0.01% lowered mean IOP by 5.0 mmHg from baseline to final visit (P<0.0001). Individual IOP goals were achieved in 75.5% of patients. Results were similar in right and left eyes; right-eye data are presented here for brevity. The greatest mean IOP reduction was 6.7±4.7 mmHg (28.8% reduction from baseline to final visit, P<0.0001) in treatment-naïve patients. Switching to bimatoprost 0.01% monotherapy from previous monotherapy reduced mean IOP by a further 3.2±3.6 mmHg (17.2%, P<0.0001). Switching to bimatoprost 0.01% from previous prostaglandin monotherapy reduced mean IOP by 2.9±3.5 mmHg (15.5%), including by 3.1±3.4 mmHg (15.8%) and 3.3±4.1 mmHg (16.9%) for previous latanoprost and travoprost treatment, respectively (all P<0.0001). IOP reduction in patients previously treated with a fixed combination was 2.7±4.0 mmHg (14.2%, P<0.0001). The most commonly reported adverse events were conjunctival hyperemia (5.2%) and eye irritation (4.7%). Tolerability was rated as “very good” or “good” by 90.1% of patients. Adherence was rated by physicians as “better than” or “equal to” previous treatment in 97.2% of patients. Conclusion The combined studies demonstrated in a clinical practice setting, bimatoprost 0.01% lowered IOP effectively in treatment-naïve and previously treated ocular hypertension and primary open-angle glaucoma patients, and was associated with good tolerability and patient adherence over 12 weeks.
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Affiliation(s)
- Annemie Stevens
- Department of Ophthalmology, Ghent University Hospital, Ghent, Belgium
| | - Milko E Iliev
- Department of Ophthalmology, University of Bern, Bern, Switzerland
| | - Leo de Jong
- Department of Ophthalmology, Academic Medical Centre, Amsterdam, the Netherlands
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Rodriguez-Aller M, Guinchard S, Guillarme D, Pupier M, Jeannerat D, Rivara-Minten E, Veuthey JL, Gurny R. New prostaglandin analog formulation for glaucoma treatment containing cyclodextrins for improved stability, solubility and ocular tolerance. Eur J Pharm Biopharm 2015; 95:203-14. [PMID: 25960331 DOI: 10.1016/j.ejpb.2015.04.032] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 04/21/2015] [Accepted: 04/27/2015] [Indexed: 10/23/2022]
Abstract
Latanoprost is a practically insoluble prostaglandin F2α analog considered a first-line agent for glaucoma treatment. From a pharmaceutical point of view, latanoprost is challenging to be formulated as an eye drop due to its poor water solubility and the presence of an ester bond that needs to be cleaved in vivo but maintained unchanged during storage. Cyclodextrins (CDs) are known to form complexes with hydrophobic drugs, influencing their stability, availability, solubility, and tolerance in a non-predictable manner. A variety of CDs including native α, β, and γCDs as well as substituted hydroxypropylβCD, hydroxypropylγCD, dimethylβCD, sulphatedβCD, and propylaminoβCD were screened and the most appropriate CD for the formulation of latanoprost for an ocular topical application was selected. Among the tested CDs, propylaminoβCD had the best trade-off between latanoprost stability and availability, which was confirmed by its complex constant value of 3129M(-1). Phase-solubility and NMR investigations demonstrated that the propylaminoβCD effectively formed a complex involving the ester group of latanoprost providing protection to its ester bond, while ensuring proper latanoprost solubilization. Furthermore, in vivo experiments demonstrated that the latanoprost-propylaminoβCD formulation led to lower ocular irritation than the commercial latanoprost formulation used as a reference. The latanoprost-propylaminoβCD formulation was demonstrated to successfully address the main stability, solubility, and tolerance limitations of topical ocular latanoprost therapy for glaucoma.
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Affiliation(s)
- Marta Rodriguez-Aller
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 30, Quai Ernest Ansermet, 1211 Geneva 4, Switzerland
| | - Sylvie Guinchard
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 30, Quai Ernest Ansermet, 1211 Geneva 4, Switzerland
| | - Davy Guillarme
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 30, Quai Ernest Ansermet, 1211 Geneva 4, Switzerland
| | - Marion Pupier
- Department of Organic Chemistry, University of Geneva, 30, Quai Ernest Ansermet, 1211 Geneva 4, Switzerland
| | - Damien Jeannerat
- Department of Organic Chemistry, University of Geneva, 30, Quai Ernest Ansermet, 1211 Geneva 4, Switzerland
| | - Elisabeth Rivara-Minten
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 30, Quai Ernest Ansermet, 1211 Geneva 4, Switzerland
| | - Jean-Luc Veuthey
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 30, Quai Ernest Ansermet, 1211 Geneva 4, Switzerland
| | - Robert Gurny
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, 30, Quai Ernest Ansermet, 1211 Geneva 4, Switzerland.
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