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Iovino C, Mastropasqua R, Lupidi M, Bacherini D, Pellegrini M, Bernabei F, Borrelli E, Sacconi R, Carnevali A, D’Aloisio R, Cerquaglia A, Finocchio L, Govetto A, Erba S, Triolo G, Di Zazzo A, Forlini M, Vagge A, Giannaccare G. Intravitreal Dexamethasone Implant as a Sustained Release Drug Delivery Device for the Treatment of Ocular Diseases: A Comprehensive Review of the Literature. Pharmaceutics 2020; 12:pharmaceutics12080703. [PMID: 32722556 PMCID: PMC7466091 DOI: 10.3390/pharmaceutics12080703] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/21/2020] [Accepted: 07/22/2020] [Indexed: 12/13/2022] Open
Abstract
Drug delivery into the vitreous chamber remains a great challenge in the pharmaceutical industry due to the complex anatomy and physiology of the eye. Intravitreal injection is the mainstream route of drug administration to the posterior segment of the eye. The purpose of this review is to assess the current literature about the widening use of the intravitreal 0.7 mg dexamethasone (Dex) implant, and to provide a comprehensive collection of all the ocular disorders that benefit from Dex administration. Although anti-vascular endothelial growth-factors (VEGFs) have been largely indicated as a first-choice level, the Dex implant represents an important treatment option, especially in selected cases, such as vitrectomized eyes or patients in whom anti-VEGF failed or are contraindicated. In this article, the safety profile as well as the list of the possible complications related to intravitreal Dex injection are also discussed.
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Affiliation(s)
- Claudio Iovino
- Department of Surgical Sciences, Eye Clinic, University of Cagliari, 09124 Cagliari, Italy
- Correspondence: ; Tel.: +39-070-609-2319
| | - Rodolfo Mastropasqua
- Institute of Ophthalmology, University of Modena and Reggio Emilia, 41121 Modena, Italy;
| | - Marco Lupidi
- Department of Surgical and Biomedical Sciences, Section of Ophthalmology, University of Perugia, S. Maria della Misericordia Hospital, 06129 Perugia, Italy; (M.L.); (A.C.)
- Fondazione per la Macula Onlus, DINOMGI., University Eye Clinic, 16132 Genova, Italy
- Centre de l’Odéon, 113 Boulevard St Germain, 75006 Paris, France
| | - Daniela Bacherini
- Department of Neurosciences, Psychology, Drug Research and Child Health, Eye Clinic, University of Florence, AOU Careggi, 50139 Florence, Italy; (D.B.); (L.F.)
| | - Marco Pellegrini
- Ophthalmology Unit, S. Orsola-Malpighi University Hospital, University of Bologna, 40138 Bologna, Italy; (M.P.); (F.B.)
| | - Federico Bernabei
- Ophthalmology Unit, S. Orsola-Malpighi University Hospital, University of Bologna, 40138 Bologna, Italy; (M.P.); (F.B.)
| | - Enrico Borrelli
- Department of Ophthalmology, Hospital San Raffaele, University Vita Salute San Raffaele, 20132 Milan, Italy; (E.B.); (R.S.)
| | - Riccardo Sacconi
- Department of Ophthalmology, Hospital San Raffaele, University Vita Salute San Raffaele, 20132 Milan, Italy; (E.B.); (R.S.)
| | - Adriano Carnevali
- Department of Ophthalmology, University “Magna Graecia,” 88100 Catanzaro, Italy; (A.C.); (G.G.)
| | - Rossella D’Aloisio
- Department of Medicine and Science of Ageing, Ophthalmology Clinic, University “G. d’Annunzio” Chieti-Pescara, 66100 Chieti, Italy;
| | - Alessio Cerquaglia
- Department of Surgical and Biomedical Sciences, Section of Ophthalmology, University of Perugia, S. Maria della Misericordia Hospital, 06129 Perugia, Italy; (M.L.); (A.C.)
| | - Lucia Finocchio
- Department of Neurosciences, Psychology, Drug Research and Child Health, Eye Clinic, University of Florence, AOU Careggi, 50139 Florence, Italy; (D.B.); (L.F.)
- Moorfields Eye Hospital NHS Foundation Trust, London EC1V2PD, UK
| | - Andrea Govetto
- Fatebenefratelli-Oftalmico Hospital, ASST-Fatebenefratelli-Sacco, 63631 Milan, Italy; (A.G.); (S.E.); (G.T.)
- Bristol Eye Hospital, University Hospitals Bristol NHS Foundation Trust, Bristol BS12LX, UK
| | - Stefano Erba
- Fatebenefratelli-Oftalmico Hospital, ASST-Fatebenefratelli-Sacco, 63631 Milan, Italy; (A.G.); (S.E.); (G.T.)
| | - Giacinto Triolo
- Fatebenefratelli-Oftalmico Hospital, ASST-Fatebenefratelli-Sacco, 63631 Milan, Italy; (A.G.); (S.E.); (G.T.)
| | - Antonio Di Zazzo
- Ophthalmology Complex Operative Unit, Campus Bio Medico University Hospital, 00128, Rome, Italy;
| | | | - Aldo Vagge
- University Eye Clinic, DINOGMI, Polyclinic Hospital San Martino IRCCS, 16132 Genoa, Italy;
| | - Giuseppe Giannaccare
- Department of Ophthalmology, University “Magna Graecia,” 88100 Catanzaro, Italy; (A.C.); (G.G.)
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Yang YH, Kuo HH, Hsu WC, Hsieh YT. Ocular hypertension and severe intraocular pressure elevation after posterior subtenon injection of triamcinolone acetonide for various diseases. Int J Ophthalmol 2020; 13:946-951. [PMID: 32566507 DOI: 10.18240/ijo.2020.06.14] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Accepted: 08/18/2019] [Indexed: 12/13/2022] Open
Abstract
AIM To evaluate and compare the incidences of ocular hypertension and severe intraocular pressure (IOP) elevation after posterior subtenon injection of triamcinolone acetonide (PSTA) for various diseases. METHODS Totally 179 eyes that had received PSTA for diabetic macular edema (n=108), pseudophakic cystoid macular edema (n=20), branch retinal vein occlusion (n=16), central retinal vein occlusion (CRVO, n=14), choroidal neovascularization (n=14) or noninfectious uveitis (n=7) were retrospectively enrolled. The primary outcomes included ocular hypertension defined as an IOP>21 mm Hg, and severe IOP elevation defined as a rise of 10 mm Hg or more in IOP compared with baseline. Cox regression models were used to analyze the hazard ratios (HRs) among different diseases. RESULTS After PSTA, the mean IOPs from month 1 to month 6 all significantly increased (P<0.05). Ocular hypertension occurred in 30.7% of eyes (median time: 8wk), and severe IOP elevation occurred in 16.2% of eyes (median time: 9wk). Patients receiving PSTA for CRVO or uveitis had a significantly higher risk for ocular hypertension (HR=3.049, P=0.004 for CRVO; HR=5.464, P=0.019 for uveitis) and severe IOP elevation (HR=2.913, P=0.034 for CRVO; HR=7.650, P=0.009 for uveitis). CONCLUSION IOP significantly increases within 6mo after PSTA, with the onset of ocular hypertension happening mostly at 2 to 3mo. Patients of CRVO or noninfectious uveitis have a higher risk of ocular hypertension or severe IOP elevation after PSTA and should be monitored for IOP more carefully.
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Affiliation(s)
- Yun-Hsiang Yang
- Department of Ophthalmology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei 231, Taiwan, China
| | - Hua-Hsuan Kuo
- Department of Ophthalmology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei 231, Taiwan, China
| | - Wei-Cherng Hsu
- Department of Ophthalmology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei 231, Taiwan, China.,School of Medicine, Tzu Chi University, Hualien 970, Taiwan, China
| | - Yi-Ting Hsieh
- Department of Ophthalmology, National Taiwan University Hospital, Taipei 10002, Taiwan, China
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Yao PL, Peavey J, Malek G. Leveraging Nuclear Receptors as Targets for Pathological Ocular Vascular Diseases. Int J Mol Sci 2020; 21:ijms21082889. [PMID: 32326149 PMCID: PMC7215709 DOI: 10.3390/ijms21082889] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 04/18/2020] [Accepted: 04/19/2020] [Indexed: 02/07/2023] Open
Abstract
Vasculogenesis and angiogenesis are physiological mechanisms occurring throughout the body. Any disruption to the precise balance of blood vessel growth necessary to support healthy tissue, and the inhibition of abnormal vessel sprouting has the potential to negatively impact stages of development and/or healing. Therefore, the identification of key regulators of these vascular processes is critical to identifying therapeutic means by which to target vascular-associated compromises and complications. Nuclear receptors are a family of transcription factors that have been shown to be involved in modulating different aspects of vascular biology in many tissues systems. Most recently, the role of nuclear receptors in ocular biology and vasculopathies has garnered interest. Herein, we review studies that have used in vitro assays and in vivo models to investigate nuclear receptor-driven pathways in two ocular vascular diseases associated with blindness, wet or exudative age-related macular degeneration, and proliferative diabetic retinopathy. The potential therapeutic targeting of nuclear receptors for ocular diseases is also discussed.
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Affiliation(s)
- Pei-Li Yao
- Duke Eye Center, Department of Ophthalmology, Duke University School of Medicine, Durham, NC 27503, USA; (P.-L.Y.); (J.P.)
| | - Jeremy Peavey
- Duke Eye Center, Department of Ophthalmology, Duke University School of Medicine, Durham, NC 27503, USA; (P.-L.Y.); (J.P.)
| | - Goldis Malek
- Duke Eye Center, Department of Ophthalmology, Duke University School of Medicine, Durham, NC 27503, USA; (P.-L.Y.); (J.P.)
- Department of Pathology, Duke University School of Medicine, Durham, NC 27503, USA
- Correspondence: ; Tel.: +919-684-0820
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