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Zimmermann JA, Storp JJ, Dicke C, Leclaire MD, Eter N. [Frequency and distribution of the active agent of intravitreal injections in German centers 2015-2021-An oregis study]. DIE OPHTHALMOLOGIE 2024; 121:196-206. [PMID: 38315190 DOI: 10.1007/s00347-024-01986-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 11/09/2023] [Accepted: 01/04/2024] [Indexed: 02/07/2024]
Abstract
INTRODUCTION Digitalization in medicine, especially the electronic documentation of patient data, is revolutionizing healthcare systems worldwide. The evaluation of real-world data collected under everyday conditions presents opportunities but also challenges. Electronic medical registries provide a means to compile extensive patient data for scientific inquiries. Oregis is the first nationwide digital registry for health services research established by the German Ophthalmological Society (DOG). Intravitreal operative medicinal injections (IVOM) are among the most frequently performed procedures in ophthalmology. Data on injection numbers and injection frequencies with anti-vascular endothelial growth factor (VEGF) are already available from other countries, whereas data at a national level are not yet available in Germany due to the lack of a nationwide register. It is known that the treatment success of anti-VEGF IVOMs depends largely on the adherence to treatment and thus on the number of injections. There are also differences in cost. In the context of this study, real-world data on the frequency and distribution of intravitreal injections in German centers from 2015 to 2021 were compiled for the first time since the introduction of oregis. The aim of this study is to collect data on the use of anti-VEGF IVOMs in Germany from oregis for the first time and to show the development of injection numbers and anti-VEGF drugs used. At the same time, the possibilities of data retrieval from oregis are demonstrated using a concrete example from daily ophthalmological practice. MATERIAL AND METHODS An automated query of records was performed for all patients who received IVOM at oregis-affiliated healthcare facilities between 2015 and 2021. The number of treated patients and the use of anti-VEGF medications, including aflibercept, bevacizumab, brolucizumab, and ranibizumab, were determined. The data were collected in a pseudonymized and anonymized manner. RESULTS At the time of data collection, 9 German ophthalmological healthcare facilities were affiliated with oregis. In total, 309,152 patients were registered during the observation period, with 8474 receiving IVOMs. Over the observation period, the number of participating centers, patients, and intravitreal injections increased. The proportional share of anti-VEGF agents among the total number of injections varied during the observation period. DISCUSSION Real-world data captured in oregis offer significant potential for enhancing healthcare provision. Oregis enables the depiction of ophthalmological care conditions in Germany and contributes to research and quality assurance. The ability to query the presented data exemplifies the multitude of inquiries through which oregis can contribute to the representation of ophthalmological care in Germany.
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Affiliation(s)
| | - Jens Julian Storp
- Klinik für Augenheilkunde, Universitätsklinikum Münster, Domagkstr. 15, 48149, Münster, Deutschland
| | - Christopher Dicke
- oregis, Projektmanagement, Deutsche Ophthalmologische Gesellschaft, München, Deutschland
| | - Martin Dominik Leclaire
- Klinik für Augenheilkunde, Universitätsklinikum Münster, Domagkstr. 15, 48149, Münster, Deutschland
| | - Nicole Eter
- Klinik für Augenheilkunde, Universitätsklinikum Münster, Domagkstr. 15, 48149, Münster, Deutschland
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Singh RP, Avery RL, Barakat MR, Kim JE, Kiss S. Evidence-Based Use of Bevacizumab in the Management of Neovascular Age-Related Macular Degeneration. Ophthalmic Surg Lasers Imaging Retina 2024; 55:156-162. [PMID: 38466965 DOI: 10.3928/23258160-20240108-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Indicated for colorectal cancer for decades, bevacizumab has been widely used off label to treat retinal diseases, and the benefits of its use, specifically in neovascular age-related macular degeneration, have been demonstrated in multiple clinical trials. The intravitreal delivery of bevacizumab requires it to be aseptically repackaged into individual syringes by compounding pharmacies for use in the eye. Although the repackaging process is permitted by the US Food and Drug Administration, the resultant product does not meet the specific standards of products approved for use as ophthalmic injectables nor is the parenteral innovator solution compliant with ophthalmic standards. Studies have also demonstrated variability in the quality and quantity of repackaged bevacizumab. This narrative review summarizes the evidence and discusses the role of off-label bevacizumab in the treatment and management of retinal diseases, its mechanism of action, current challenges and provides a critical appraisal of current evidence, clinical implications, and future directions. [Ophthalmic Surg Lasers Imaging Retina 2024;55:155-162.].
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Desai S, Sekimitsu S, Rossin EJ, Zebardast N. Trends in Anti-Vascular Endothelial Growth Factor Original Medicare Part B Claims in the United States, 2014-2019. Ophthalmic Epidemiol 2024:1-10. [PMID: 38315793 DOI: 10.1080/09286586.2024.2310854] [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: 08/01/2023] [Accepted: 01/20/2024] [Indexed: 02/07/2024]
Abstract
PURPOSE To characterize trends in use of and expenditure for the intravitreal injection of anti-vascular endothelial growth factor (anti-VEGF) agents aflibercept, ranibizumab, and bevacizumab among the population enrolled in Original Medicare from 2014 to 2019. METHODS The Centers for Medicare and Medicaid Services Physician and Other Supplier Public Use File was used to extract Medicare Part B fee-for-service outpatient injection claims data submitted by ophthalmologists. Multivariable linear regression models were used to evaluate the association between reimbursement, ophthalmologist availability, and agent administration rate. RESULTS Between 2014 and 2019, 17,588,995 intravitreal injection claims were filed by 4218 US ophthalmologists. Medicare costs for anti-VEGF injections increased from 2.51 B USD in 2014 to 4.02 B USD in 2019. Increased state-level ophthalmologist availability and incremental increases in average reimbursement amounts were found to be significantly associated with a 6.8-fold variation in 2019 overall anti-VEGF injection rates across states. CONCLUSIONS Medicare injection rates and costs for anti-VEGF injections have both increased between 2014 and 2019, largely driven by increased aflibercept use. There is a significant association between ophthalmologist availability and anti-VEGF injection rate on the state level, suggesting access to care may contribute to the observed state-level disparities in intravitreal injection rates. Further characterization of factors contributing to the state-level variation in injection rates of individual anti-VEGF agents may help inform interventions promoting equitable access to and use of these drugs.
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Affiliation(s)
- Sarishka Desai
- University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | | | - Elizabeth J Rossin
- Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts, USA
- Department of Ophthalmology, Massachusetts Eye and Ear, Boston, Massachusetts, USA
| | - Nazlee Zebardast
- Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts, USA
- Department of Ophthalmology, Massachusetts Eye and Ear, Boston, Massachusetts, USA
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Freedman RL, Freedman ZT, Elsharawi R, Barbosa J, Kim C, Hughes BA, Abrams GW. Analysis of ophthalmology subspecialty opioid prescribing patterns during the opioid public health crisis. CANADIAN JOURNAL OF OPHTHALMOLOGY 2024; 59:e16-e21. [PMID: 36463965 DOI: 10.1016/j.jcjo.2022.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 10/13/2022] [Accepted: 11/06/2022] [Indexed: 12/03/2022]
Abstract
OBJECTIVE To describe opioid prescribing practices of ophthalmology subspecialties and determine whether opioid prescribing has decreased during the public health crisis. DESIGN Retrospective cohort study. PARTICIPANTS Ophthalmologists prescribing at least 11 medications billed to the Medicare Part D prescription drug plan. METHODS Publicly available Medicare data sets based on claims from the years 2016, 2017, and 2018 were used. Fellowship status was assumed based on subspecialty society membership or use of specified Current Procedural Terminology codes. The main outcome was the percentage of physicians in each subspecialty prescribing opioids. RESULTS The database included 19,762, 19,790, and 19,840 ophthalmologists in the years 2016, 2017, and 2018, respectively. Only the subspecialties of comprehensive ophthalmology (43.5% vs 39.6% vs 35.7%; p < 0.001; φc = 0.066), retina (66.5% vs 60.7% vs 54.5%; p < 0.001; φc = 0.101), cornea (82.8% vs 83.9% vs 77.2%; p = 0.03; φc = 0.076), and glaucoma (53.4% vs 46.4% vs 42.0%; p < 0.001; φc = 0.094) underwent a small but significant reduction in the proportion of physicians prescribing opioids. The subspecialties of oculoplastics (86%-88.8%), cornea (77.2%-82.8%), retina (54.5%-66.5%), and pediatrics (51.5%-57.9%) had the highest percentage of physicians prescribing opioids. The subspecialties of glaucoma, uveitis, and comprehensive ophthalmology had the lowest percentage of opioid prescribers. Among physicians with more than 10 opioid claims, median opioid claims did not change drastically. Opioids contributed only a small proportion of medication claims for all subspecialties. CONCLUSION All subspecialties experienced either a small reduction or no significant change in the percentage of opioid prescribers during the period analyzed. We hope to encourage collaboration between ophthalmology subspecialties in striving to reduce opioid prescribing. Further studies are needed to better fine-tune opioid prescribing practices.
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Nakai A, Lee D, Shoda C, Negishi K, Nakashizuka H, Yamagami S, Kurihara T. Modulation of Hypoxia-Inducible Factors and Vascular Endothelial Growth Factor Expressions by Superfood Camu-Camu ( Myrciaria dubia) Treatment in ARPE-19 and Fetal Human RPE Cells. J Ophthalmol 2023; 2023:6617981. [PMID: 38187496 PMCID: PMC10771337 DOI: 10.1155/2023/6617981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 11/30/2023] [Accepted: 12/15/2023] [Indexed: 01/09/2024] Open
Abstract
Background Anti-vascular endothelial growth factor (anti-VEGF) therapy via intravitreal injection is an effective treatment for patients with abnormal ocular neovascularization, such as age-related macular degeneration (AMD) and diabetic macular edema (DME). However, prolonged and frequent anti-VEGF treatment is associated with a risk of local and systemic adverse events, including geographic atrophy, cerebrovascular disease, and death. Furthermore, some patients do not adequately respond to anti-VEGF therapy. Hypoxia-inducible factor (HIF) is a transcription factor that controls the expression of hypoxia-responsive genes involved in angiogenesis, inflammation, and metabolism. The HIF/VEGF pathway plays an important role in neovascularization, and the inhibition of HIF activation could be an effective biomolecular target for neovascular diseases. The demand for disease prevention or treatment using functional foods such as superfoods has increased in recent years. Few reports to date have focused on the antineovascular effects of superfoods in the retinal pigment epithelium (RPE). In light of the growing demand for functional foods, we aimed to find novel HIF inhibitors from superfoods worked in RPE cells, which could be an adjuvant for anti-VEGF therapy. Methods Seven superfoods were examined to identify novel HIF inhibitor candidates using luciferase assay screening. We used the human RPE cell line ARPE-19 and fetal human RPE (fhRPE) to investigate the biomolecular actions of novel HIF inhibitors using quantitative PCR and western blotting. Results Under CoCl2-induced pseudohypoxic condition and 1% oxygen hypoxic incubation, camu-camu (Myrciaria dubia) showed HIF inhibitory effects determined by luciferase assays. Camu-camu downregulated HIF-1α and VEGFA mRNA expressions in a concentration-dependent manner. Camu-camu also inhibited HIF-1α protein expressions, and its inhibitory effect was greater than that of vitamin C, which is present at high levels in camu-camu. Conclusion The camu-camu extract suppressed the activation of HIF and VEGF in RPE cells. This could assist anti-VEGF therapy in patients with abnormal ocular neovascularization.
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Affiliation(s)
- Ayaka Nakai
- Laboratory of Photobiology, Keio University School of Medicine, Tokyo, Japan
- Ophthalmology, Keio University School of Medicine, Tokyo, Japan
- Ophthalmology, Nihon University School of Medicine, Tokyo, Japan
| | - Deokho Lee
- Laboratory of Photobiology, Keio University School of Medicine, Tokyo, Japan
- Ophthalmology, Keio University School of Medicine, Tokyo, Japan
| | - Chiho Shoda
- Laboratory of Photobiology, Keio University School of Medicine, Tokyo, Japan
- Ophthalmology, Keio University School of Medicine, Tokyo, Japan
- Ophthalmology, Nihon University School of Medicine, Tokyo, Japan
| | - Kazuno Negishi
- Ophthalmology, Keio University School of Medicine, Tokyo, Japan
| | | | - Satoru Yamagami
- Ophthalmology, Nihon University School of Medicine, Tokyo, Japan
| | - Toshihide Kurihara
- Laboratory of Photobiology, Keio University School of Medicine, Tokyo, Japan
- Ophthalmology, Keio University School of Medicine, Tokyo, Japan
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Tsao YC, Chen TY, Wang LA, Lee CC, Lee WJA, Hsu SM, Lai CC, Shao SC, Hung JH, Lai ECC. Acute Kidney Injury from Intravitreal Anti-vascular Endothelial Growth Factor Drugs: A Systematic Review and Meta-analysis of Randomized Controlled Trials. BioDrugs 2023; 37:843-854. [PMID: 37676536 DOI: 10.1007/s40259-023-00621-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/16/2023] [Indexed: 09/08/2023]
Abstract
BACKGROUND Several observational studies have reported acute kidney injury from intravitreal anti-vascular endothelial growth factor (anti-VEGF) drugs for retinal diseases. However, systematic reviews and meta-analyses of randomized controlled trials on this critical topic are scant. OBJECTIVE To evaluate acute kidney injury risk associated with intravitreal anti-VEGF drugs in patients with retinal diseases. METHODS We searched PubMed, Embase, and the Cochrane Central Register of Controlled Trials on 12 July, 2023, and included randomized controlled trials reporting acute kidney injury between anti-VEGF drugs (e.g., aflibercept, bevacizumab, brolucizumab, and ranibizumab) and controls for retinal diseases (e.g., age-related macular degeneration, polypoidal choroidal vasculopathy, diabetic retinopathy/diabetic macular edema, retinal vein occlusion, and myopic choroidal neovascularization). Data were synthesized by a fixed-effects model for pooling odds ratios (ORs) using the Peto method. RESULTS We included 13 randomized controlled trials (four and nine trials for aflibercept and ranibizumab, respectively) with a total of 4282 participants. The meta-analysis indicated intravitreal anti-VEGF drugs did not increase the acute kidney injury risk, compared with controls (odds ratio [OR]: 1.00, 95% confidence interval [CI] 0.49-2.04, I2: 0%), and no differences in the acute kidney injury risk were observed between different anti-VEGF drugs (OR: 1.10, 95% CI 0.27-4.43, I2: 0% for aflibercept; OR: 0.97, 95% CI 0.42-2.22, I2: 0% for ranibizumab) and between different retinal diseases (OR: 4.61, 95% CI 0.07-284.13, I2: not applicable for age-related macular degeneration; OR: 0.90, 95% CI 0.42-1.93, I2: 0% for diabetic retinopathy/diabetic macular edema; OR: 1.57, 95% CI 0.16-15.88, I2: 0% for retinal vein occlusion). CONCLUSIONS Intravitreal anti-VEGF drugs were not associated with an acute kidney injury risk, regardless of which anti-VEGF drugs (aflibercept or ranibizumab) or retinal diseases (age-related macular degeneration, diabetic retinopathy/diabetic macular edema, or retinal vein occlusion) were involved. SYSTEMATIC REVIEW PROTOCOL REGISTRATION PROSPERO CRD42021267854.
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Affiliation(s)
- Yu-Chien Tsao
- College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ting-Ying Chen
- College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Li-An Wang
- College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chia-Chun Lee
- Division of Nephrology, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Wan-Ju Annabelle Lee
- School of Pharmacy, Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Department of Ophthalmology, Chi Mei Medical Center, Tainan, Taiwan
- Department of Optometry, Chung Hwa University of Medical Technology, Tainan, Taiwan
| | - Sheng-Min Hsu
- Department of Ophthalmology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, No. 1 University Road, Tainan, 701, Taiwan
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chi-Chun Lai
- College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Department of Ophthalmology, Keelung Chang Gung Memorial Hospital, Keelung, Taiwan
| | - Shih-Chieh Shao
- School of Pharmacy, Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
- Department of Pharmacy, Keelung Chang Gung Memorial Hospital, No. 222 Maijin Road, Keelung, 204, Taiwan.
| | - Jia-Horung Hung
- Department of Ophthalmology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, No. 1 University Road, Tainan, 701, Taiwan.
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
| | - Edward Chia-Cheng Lai
- School of Pharmacy, Institute of Clinical Pharmacy and Pharmaceutical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Feng HL, Abdelwahab S, Imam N, Astafurov K, Roth DB. Reduced Incidence of Intravitreal Injection-Related Endophthalmitis With Prefilled Syringes. JOURNAL OF VITREORETINAL DISEASES 2023; 7:305-309. [PMID: 37927312 PMCID: PMC10621703 DOI: 10.1177/24741264231159011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
Purpose: To evaluate the incidence and clinical characteristics of intravitreal injection-related endophthalmitis cases with antivascular endothelial growth factor (anti-VEGF) medications manufactured as prefilled syringes or non-prefilled preparations. Methods: This retrospective chart review comprised eyes that received intravitreal anti-VEGF at a single-specialty retina practice from January 1, 2014, to December 31, 2019. Eyes diagnosed with injection-related endophthalmitis were identified. Demographic and clinical data were abstracted from medical records, including the type of anti-VEGF agent, baseline and follow-up corrected visual acuity (VA), and microbiologic findings. Results: The review identified 88 cases of intravitreal anti-VEGF injection-related endophthalmitis and 325 990 total injections. Total injections included 32 045 (9.8%) bevacizumab (BEV), 93 073 (28.6%) ranibizumab (RAN), 122 947 (37.7%) aflibercept (AFL), and 77 925 (23.9%) ranibizumab prefilled syringe (RANPFS). Ten of the endophthalmitis cases were related to BEV, 21 to RAN, 45 to AFL, and 12 to RANPFS. The endophthalmitis rate was lowest for RANPFS (0.0154%) (BEV, 0.0312%; RAN, 0.0226%; AFL, 0.0366%) (P = .030). Thirty-four (41.5%) of 82 samples were culture positive. RANPFS had a significantly lower rate of culture-proven postinjection endophthalmitis than the other agents (P = .003). The mean VA for endophthalmitis cases related to RANPFS vs non-prefilled agents was similar at presentation (Snellen 20/2092 vs 20/2327) and at the 3-month follow-up (Snellen 20/201 vs 20/272) (both P > .05). Conclusions: Anti-VEGF medications in prefilled syringes may reduce the risk for medication contamination during injection preparation. RANPFS was associated with a lower rate of injection-related endophthalmitis than non-prefilled anti-VEGF medications.
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Affiliation(s)
- Henry L. Feng
- Illinois Retina Associates, Department of Ophthalmology, Rush University Medical Center, Chicago, IL, USA
| | - Shareif Abdelwahab
- NJ Retina, Department of Ophthalmology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Nareena Imam
- NJ Retina, Department of Ophthalmology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Konstantin Astafurov
- NJ Retina, Department of Ophthalmology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Daniel B. Roth
- NJ Retina, Department of Ophthalmology, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
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Siktberg J, Kim SJ, Sternberg P, Patel S. Effectiveness of bevacizumab step therapy for neovascular age-related macular degeneration. Eye (Lond) 2023; 37:1844-1849. [PMID: 36127425 PMCID: PMC10275928 DOI: 10.1038/s41433-022-02253-6] [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: 12/16/2021] [Revised: 08/04/2022] [Accepted: 09/08/2022] [Indexed: 11/09/2022] Open
Abstract
OBJECTIVE To determine the effectiveness of bevacizumab step therapy for neovascular age-related macular degeneration (nAMD) in routine clinical practice. METHODS In this retrospective case series, eyes initiating treatment for nAMD at an academic medical centre from 2011-2019 were included. Exclusion criteria included previous intravitreal anti-VEGF injections, prior non-cataract intraocular surgery, <1 year of treatment, and not starting on monthly bevacizumab therapy. Of 895 eligible eyes, 548 were excluded, yielding 347 eyes in the study population. These eyes were treated for nAMD under the bevacizumab step therapy protocol with an option to switch to another agent in the event of predefined treatment failure. Treatment failure was defined as losing 15 or more Early Treatment Diabetic Retinopathy Study letters or switching to an alternative anti-VEGF agent. Eyes that did not meet these criteria were deemed treatment successes. Annual change in mean VA from baseline (ΔVA) was the primary outcome. Secondary outcomes included treatment success rate, medication switch rate, and post-switch ΔVA. RESULTS After 1 year, mean ΔVA was +8.4 letters (95% CI: +6.1 to +10.6 letters). 86% had treatment success, and 6% of eyes had switched to aflibercept. In years 2-7, ΔVA ranged from +7.0 to -0.7 letters, and treatment success rates ranged from 68 to 82%. 11% (n = 38) of eyes were switched to aflibercept. The post-switch ΔVA in these eyes was -7.1 letters (95% CI: -13.3 to -0.1) after a mean of 17.7 ± 12.6 injections over an average of 2.7 ± 2.0 years. CONCLUSION A bevacizumab step therapy protocol in routine clinical practice is effective for long-term treatment of nAMD.
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Affiliation(s)
| | - Stephen Jae Kim
- Vanderbilt University Medical Center Department of Ophthalmology, Nashville, TN, USA
| | - Paul Sternberg
- Vanderbilt University Medical Center Department of Ophthalmology, Nashville, TN, USA
| | - Shriji Patel
- Vanderbilt University Medical Center Department of Ophthalmology, Nashville, TN, USA.
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Shah S, Markatia Z, Watane A, Feldman A, Shah L, Sridhar J. Do published trial results influence physician prescribing patterns? Intravitreal antivascular endothelial growth factor usage by the United States Ophthalmologists before and after Protocol T study. Curr Opin Ophthalmol 2023; 34:218-225. [PMID: 36866850 DOI: 10.1097/icu.0000000000000944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
PURPOSE OF REVIEW Clinical trial publications may influence physician prescribing patterns. The Diabetic Retinopathy Clinical Research Network (DRCR.net) Protocol T study, published in 2015, examined outcomes of intravitreal antivascular endothelial growth factor (VEGF) medications for treatment of diabetic macular oedema (DME). This study investigates if the Protocol T 1-year results were associated with changes in prescribing patterns. RECENT FINDINGS Anti-VEGF agents have revolutionized treatment of DME by blocking angiogenesis signalled by VEGF. Three commonly used anti-VEGF agents are on-label aflibercept (Eylea, Regeneron) and ranibizumab (Lucentis, Genentech) and off-label bevacizumab (Avastin, Genentech). SUMMARY From 2013 to 2018, there was a significant positive trend in the average number of aflibercept injections for any indication ( P < 0.002). There was no significant trend in the average number of bevacizumab ( P = 0.09) and ranibizumab ( P = 0.43) for any indication. The mean proportion of aflibercept injections per provider per year was 0.181, 0.217, 0.311, 0.403, 0.419 and 0.427; each year-by-year comparison was significant (all P < 0.001), and the largest increase was in 2015, the year of publication of Protocol T 1-year results. These results imply and reinforce that clinical trial publications may have significant effects on ophthalmologist prescribing patterns.
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Affiliation(s)
- Serena Shah
- Bascom Palmer Eye Institute at the University of Miami Miller School of Medicine, Miami, Florida
| | - Zahra Markatia
- Bascom Palmer Eye Institute at the University of Miami Miller School of Medicine, Miami, Florida
| | - Arjun Watane
- Department of Ophthalmology and Visual Science, Yale School of Medicine, New Haven, Connecticut, USA
| | - Alexandra Feldman
- Bascom Palmer Eye Institute at the University of Miami Miller School of Medicine, Miami, Florida
| | - Lea Shah
- Bascom Palmer Eye Institute at the University of Miami Miller School of Medicine, Miami, Florida
| | - Jayanth Sridhar
- Bascom Palmer Eye Institute at the University of Miami Miller School of Medicine, Miami, Florida
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Hashimoto Y, Okada A, Matsui H, Yasunaga H, Aihara M, Obata R. Recent trends in anti-vascular endothelial growth factor intravitreal injections: a large claims database study in Japan. Jpn J Ophthalmol 2023; 67:109-118. [PMID: 36508060 PMCID: PMC9742668 DOI: 10.1007/s10384-022-00969-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 10/20/2022] [Indexed: 12/14/2022]
Abstract
PURPOSE To clarify recent trends in the use of intravitreal injections of anti-vascular endothelial growth factor (VEGF) in Japan. STUDY DESIGN Retrospective cohort study. METHODS We used the DeSC database, a large-scale claims database for Japan, for entries between April 2014 and March 2021. We counted the number of anti-VEGF drug injections (aflibercept, ranibizumab, brolucizumab, and pegaptanib) administered every year, calculated the sex- and age-adjusted injection rates, and stratified these rates according to sex, age categories, anti-VEGF drugs, and diagnoses. We also calculated the number of injections administered within one year after the first injection according to the diagnoses. RESULTS In total, 164,451 cases of anti-VEGF injections were identified. The sex- and age-adjusted rates of anti-VEGF injections per 1000 person-years increased from 7.9 in 2014 to 16.1 in 2020. Men were approximately twice as likely to receive anti-VEGF injections than women. The 70-79, 80-89, and ≥90 age categories had the highest rates, accounting for approximately 80%. Neovascular age-related macular degeneration had the highest rate, accounting for 60-70% over the study period. Aflibercept was the most commonly used drug, accounting for approximately 80% over the study period. The average number of injections within one year after the first injection was 4.4 for neovascular age-related macular degeneration, 2.7 for branch retinal vein occlusion, 3.1 for central retinal vein occlusion, and 3.5 for diabetic macular edema in 2020. CONCLUSION These findings can be used as a benchmark for the clinical practice of anti-VEGF therapy.
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Affiliation(s)
- Yohei Hashimoto
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan ,Department of Ophthalmology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Akira Okada
- Department of Prevention of Diabetes and Lifestyle-Related Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hiroki Matsui
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan
| | - Hideo Yasunaga
- Department of Clinical Epidemiology and Health Economics, School of Public Health, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033 Japan
| | - Makoto Aihara
- Department of Ophthalmology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Ryo Obata
- Department of Ophthalmology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Freedman RL, Elsharawi R, Juzych MS, Kim C, Goyal A, Ridha Al-Timimi F, Chen H, Hughes BA. Impact of Fellowship Training on Practice Patterns of Glaucoma Surgeons Treating Medicare fee-for-service Beneficiaries. Ophthalmic Epidemiol 2022:1-7. [PMID: 36171732 DOI: 10.1080/09286586.2022.2129075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
PURPOSE Analyze practice patterns of glaucoma surgeons with and without fellowship training. MATERIALS AND METHODS Physician-specific 2017 Medicare data were obtained from the Centers for Medicare & Medicaid Services website. Current Procedural Terminology codes identified procedures including iStent, tube shunts, trabeculectomy, complicated trabeculectomy, endoscopic cyclophotocoagulation, internal Xen Implant, external Xen or Express shunt, Gonioscopy-Assisted Transluminal Trabeculotomy, and Kahook Dual Blade Goniotomy. Physicians with fellowship training were identified via the American Glaucoma Society website. RESULTS A total of 1547 glaucoma surgeons were identified, of which 319 had completed fellowship training. Overall, fellowship-trained glaucoma surgeons performed more services (50.4 ± 47.0 vs 40.5 ± 35.3, P < .001) with a larger variety of procedures (1.8 ± 1.0 vs 1.3 ± 0.6, P < .001) than those without fellowship training. Surgeons without fellowship training were more likely to perform iStent and endoscopic cyclophotocoagulation and less likely to perform the remaining procedures than their fellowship-trained counterparts. Medicare payments did not differ between groups and the number of Medicare beneficiaries only differed for internal Xen implant (P = .03). Patient comorbidity burden was similar between groups with about one-third of patients being diagnosed with ischemic heart disease. CONCLUSIONS Surgeons without fellowship training can treat a similar volume of glaucoma patients as those with fellowship training. However, based on surgical procedures employed, their practices are skewed towards mild and moderate glaucoma and they are more limited in their breadth of procedures. In addition, ischemic heart disease was prevalent in the glaucoma patient population.
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Affiliation(s)
| | - Radwa Elsharawi
- Ophthalmology, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Mark S Juzych
- Ophthalmology, Kresge Eye Institute, Detroit, Michigan, USA
| | - Chaesik Kim
- Ophthalmology, Kresge Eye Institute, Detroit, Michigan, USA
| | - Anju Goyal
- Ophthalmology, Kresge Eye Institute, Detroit, Michigan, USA
| | | | - Haoxing Chen
- Ophthalmology, Kresge Eye Institute, Detroit, Michigan, USA
| | - Bret A Hughes
- Ophthalmology, Kresge Eye Institute, Detroit, Michigan, USA
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12
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Macri C, Singh G, Selva D, Wong C, Sun M, Chan W. Nationwide Trends in Vitreoretinal Procedures within Australia. Ophthalmic Epidemiol 2022; 30:293-299. [PMID: 35819055 DOI: 10.1080/09286586.2022.2093918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
PURPOSE To investigate Australian age stratified nationwide trends in vitreoretinal procedures. METHODS Nationwide retrospective analysis of vitreoretinal procedures in Australia over 2001-2019 using Australian National Hospital Morbidity Database for public and private hospitals. Age and gender-specific trends in selected procedures including pars plana vitrectomy for retinal detachment (PPV for RD), scleral buckle, intravitreal injections, and PPV unrelated to RD were analysed using negative binomial regression. RESULTS Total included procedures increased from 8102 in 2001 to 136430 in 2019. Between 2001 and 2019, the incidence per 100,000 persons of PPV for RD increased from 7.5 to 20.7, whilst scleral buckling decreased from 10.5 to 4.0. Similarly, the incidence per 100,000 persons of PPV unrelated to RD increased from 18.4 to 67.1, and intravitreal injections increased from 5.6 to 446.0. The rate of scleral buckling decreased by 6% annually (p < .001), most pronounced in those 40 years and above. In contrast, PPV for RD increased by 5% annually (p < .001), also most pronounced in those aged 40 and above. PPV unrelated to RD increased by 7% annually (p < .001), and intravitreal injections increased by 210% annually (p < .001). CONCLUSION Between 2001 and 2019, the rate of scleral buckling declined compared to an increase in PPV for RD. Our analysis suggests an increasing trend to PPV over scleral buckling for RD repair in Australia over the last two decades. Additionally, rates of PPV unrelated to RD and intravitreal injections increased across all age groups. Overall, these trends mirror those seen internationally and reflect changing practice patterns over time.
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Affiliation(s)
- Carmelo Macri
- Discipline of Ophthalmology and Visual Science, The University of Adelaide, Adelaide, Australia
| | - Gurfarmaan Singh
- Discipline of Ophthalmology and Visual Science, The University of Adelaide, Adelaide, Australia
| | - Dinesh Selva
- Discipline of Ophthalmology and Visual Science, The University of Adelaide, Adelaide, Australia.,b Department of Ophthalmology, Royal Adelaide Hospital, Adelaide, Australia
| | - Christopher Wong
- Department of Ophthalmology, Royal Adelaide Hospital, Adelaide, Australia
| | - Michelle Sun
- Discipline of Ophthalmology and Visual Science, The University of Adelaide, Adelaide, Australia.,Department of Ophthalmology, Royal Adelaide Hospital, Adelaide, Australia
| | - Weng Chan
- Discipline of Ophthalmology and Visual Science, The University of Adelaide, Adelaide, Australia.,Department of Ophthalmology, Royal Adelaide Hospital, Adelaide, Australia
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13
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Peña JS, Vazquez M. Harnessing the Neuroprotective Behaviors of Müller Glia for Retinal Repair. FRONT BIOSCI-LANDMRK 2022; 27:169. [PMID: 35748245 PMCID: PMC9639582 DOI: 10.31083/j.fbl2706169] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/18/2022] [Accepted: 05/05/2022] [Indexed: 11/29/2022]
Abstract
Progressive and irreversible vision loss in mature and aging adults creates a health and economic burden, worldwide. Despite the advancements of many contemporary therapies to restore vision, few approaches have considered the innate benefits of gliosis, the endogenous processes of retinal repair that precede vision loss. Retinal gliosis is fundamentally driven by Müller glia (MG) and is characterized by three primary cellular mechanisms: hypertrophy, proliferation, and migration. In early stages of gliosis, these processes have neuroprotective potential to halt the progression of disease and encourage synaptic activity among neurons. Later stages, however, can lead to glial scarring, which is a hallmark of disease progression and blindness. As a result, the neuroprotective abilities of MG have remained incompletely explored and poorly integrated into current treatment regimens. Bioengineering studies of the intrinsic behaviors of MG hold promise to exploit glial reparative ability, while repressing neuro-disruptive MG responses. In particular, recent in vitro systems have become primary models to analyze individual gliotic processes and provide a stepping stone for in vivo strategies. This review highlights recent studies of MG gliosis seeking to harness MG neuroprotective ability for regeneration using contemporary biotechnologies. We emphasize the importance of studying gliosis as a reparative mechanism, rather than disregarding it as an unfortunate clinical prognosis in diseased retina.
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Affiliation(s)
- Juan S. Peña
- Department of Biomedical Engineering, Rutgers, The State
University of New Jersey, Piscataway (08854), New Jersey, USA
| | - Maribel Vazquez
- Department of Biomedical Engineering, Rutgers, The State
University of New Jersey, Piscataway (08854), New Jersey, USA
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14
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Lundeen EA, Andes LJ, Rein DB, Wittenborn JS, Erdem E, Gu Q, Saaddine J, Imperatore G, Chew EY. Trends in Prevalence and Treatment of Diabetic Macular Edema and Vision-Threatening Diabetic Retinopathy Among Medicare Part B Fee-for-Service Beneficiaries. JAMA Ophthalmol 2022; 140:345-353. [PMID: 35238912 PMCID: PMC8895319 DOI: 10.1001/jamaophthalmol.2022.0052] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
IMPORTANCE While diabetes prevalence among US adults has increased in recent decades, few studies document trends in diabetes-related eye disease. OBJECTIVE To examine 10-year trends (2009-2018) in annual prevalence of Medicare beneficiaries with diabetes with a diagnosis of diabetic macular edema (DME) or vision-threatening diabetic retinopathy (VTDR) and trends in treatment. DESIGN, SETTING, AND PARTICIPANTS In this cross-sectional study using Centers for Medicare & Medicaid Services research identifiable files, data for patients 65 years and older were analyzed from claims. Beneficiaries were continuously enrolled in Medicare Part B fee-for-service (FFS) insurance for the calendar year and had a diagnosis of diabetes on 1 or more inpatient claims or 2 or more outpatient claims during the calendar year or a 1-year look-back period. MAIN OUTCOMES AND MEASURES Using diagnosis and procedure codes, annual prevalence was determined for beneficiaries with 1 or more claims for (1) any DME, (2) either DME or VTDR, and (3) anti-vascular endothelial growth factor (VEGF) injections, laser photocoagulation, or vitrectomy, stratified by any DME, VTDR with DME, and VTDR without DME. Racial and ethnic disparities in diagnosis and treatment are presented for 2018. RESULTS In 2018, 6 960 823 beneficiaries (27.4%) had diabetes; half were aged 65 to 74 years (49.7%), half (52.7%) were women, and 75.7% were non-Hispanic White. From 2009 to 2018, there was an increase in the annual prevalence of beneficiaries with diabetes who had 1 or more claims for any DME (1.0% to 3.3%) and DME/VTDR (2.8% to 4.3%). Annual prevalence of anti-VEGF increased, particularly among patients with any DME (15.7% to 35.2%) or VTDR with DME (20.2% to 47.6%). Annual prevalence of laser photocoagulation decreased among those with any DME (45.5% to 12.5%), VTDR with DME (54.0% to 20.3%), and VTDR without DME (22.5% to 5.8%). Among all 3 groups, prevalence of vitrectomy in 2018 was less than half that in 2009. Prevalence of any DME and DME/VTDR was highest among Hispanic beneficiaries (5.0% and 7.0%, respectively) and Black beneficiaries (4.5% and 6.2%, respectively) and lowest among non-Hispanic White beneficiaries (3.0% and 3.8%, respectively). Among those with DME/VTDR, anti-VEGF was most prevalent among non-Hispanic White beneficiaries (30.3%). CONCLUSIONS AND RELEVANCE From 2009 to 2018, prevalence of DME or VTDR increased among Medicare Part B FFS beneficiaries alongside an increase in anti-VEGF treatment and a decline in laser photocoagulation and vitrectomy.
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Affiliation(s)
- Elizabeth A. Lundeen
- Division of Diabetes Translation, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Linda J. Andes
- Division of Diabetes Translation, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - David B. Rein
- NORC at the University of Chicago, Chicago, Illinois
| | | | - Erkan Erdem
- Economic & Valuation Services, KPMG LLP, McLean, Virginia
| | - Qian Gu
- Economic & Valuation Services, KPMG LLP, McLean, Virginia
| | - Jinan Saaddine
- Division of Diabetes Translation, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Giuseppina Imperatore
- Division of Diabetes Translation, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Emily Y. Chew
- Division of Epidemiology and Clinical Applications, National Eye Institute, National Institutes of Health, Bethesda, Maryland
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15
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Reibaldi M, Fallico M, Avitabile T, Marolo P, Parisi G, Cennamo G, Furino C, Lucenteforte E, Virgili G. Frequency of intravitreal anti-vascular endothelial growth factor injections and risk of death: a systematic review with meta-analysis. Ophthalmol Retina 2021; 6:369-376. [PMID: 34974177 DOI: 10.1016/j.oret.2021.12.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 01/11/2023]
Abstract
TOPIC To investigate whether an increasing number of intravitreal anti-vascular endothelial growth factor (VEGF) injections is associated with a higher mortality risk. CLINICAL RELEVANCE The issue of systemic safety of intravitreal anti-VEGF therapy has been long discussed. Evidence from meta-analyses of randomized studies has shown no increased risk of mortality in overall population, while some warning signal of higher mortality were found in diabetic patients exposed to intense and prolonged treatment. Concerns have been raised as to whether an increasing number of anti-VEGF injections could be associated with a higher mortality. METHODS Randomized clinical trials enrolling arms with different intensity of anti-VEGF therapy were searched. The incidence rate ratio (IRR) of death with 95% confidence interval (CI) for receiving 5 injections was the primary outcome measure. The relationship between the number of injections and all-cause mortality was investigated. Separate regression analyses were conducted to investigate this relationship in subgroups of studies with different diseases and drugs. RESULTS Fifty-two trials were included. An overall mortality rate of 1.02% and 3.36% was recorded at 12 and 24 months, respectively. Univariate regression showed that a larger number of injections was not associated with a significant increase in mortality both at 12 months (IRR=1.16,95%CI=0.87-1.53;p=0.31) and at 24 months (IRR=1.05,95%CI=0.95-1.15;p=0.34). According to subgroup analyses, a higher risk was marginally associated with an increasing number of injections in diabetic macular edema (DME) studies at 24 months (IRR=1.17,95%CI=1.02-1.33;p=0.03). CONCLUSION No significant influence of anti-VEGF treatment intensity on mortality was shown, supporting a message of reassurance over safety concerns of this therapy. Marginal evidence of a higher risk associated with a more intense treatment was found in DME patients.
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Affiliation(s)
- Michele Reibaldi
- Department of Surgical Sciences, Eye Clinic Section, University of Turin, Turin, Italy
| | - Matteo Fallico
- Department of Ophthalmology, University of Catania, Catania, Italy.
| | | | - Paola Marolo
- Department of Surgical Sciences, Eye Clinic Section, University of Turin, Turin, Italy
| | - Guglielmo Parisi
- Department of Surgical Sciences, Eye Clinic Section, University of Turin, Turin, Italy
| | - Gilda Cennamo
- Department of Public Health, University of Naples Federico II, Naples, Italy
| | - Claudio Furino
- Department of Ophthalmology, University of Bari, Bari, Italy
| | - Ersilia Lucenteforte
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Gianni Virgili
- Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA), University of Firenze and Careggi, Italy; Centre for Public Health, Queen's University of Belfast, Northern Ireland, United Kingdom
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16
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Tognetto D, Pastore MR, Belfanti L, Merli R, Vinciguerra AL, Busetti M, Barbati G, Cirigliano G. In vivo antimicrobial activity of 0.6% povidone-iodine eye drops in patients undergoing intravitreal injections: a prospective study. Sci Rep 2021; 11:23271. [PMID: 34857862 PMCID: PMC8639677 DOI: 10.1038/s41598-021-02831-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 11/16/2021] [Indexed: 11/21/2022] Open
Abstract
To investigate the antimicrobial activity of a preservative-free 0.6% povidone-iodine eye drop as an antiseptic procedure in decreasing the conjunctival bacterial load in eyes scheduled for intravitreal treatment and to compare its efficacy to the untreated fellow eye used as the control group. Prospective cohort analysis in which 208 patients received preservative-free 0.6% povidone-iodine eye drops three times a day for three days before intravitreal injection. Before and after the prophylactic treatment, a conjunctival swab was collected from both the study eye and the untreated contralateral eye, used as control. The swab was inoculated on different culture media and the colony-forming units were counted. Bacteria and fungi were identified by matrix-assisted laser desorption ionization time-of-flight mass spectrometry. Treatment with 0.6% povidone-iodine eye drops significantly reduced the conjunctival bacterial load from baseline (p < 0.001 for blood agar and p < 0.001 for chocolate agar) with an eradication rate of 80%. The most commonly isolated pathogen at each time-point and in both groups was coagulase-negative Staphylococci, isolated in 84% of the positive cultures. The study provides evidence about the effectiveness of 0.6% povidone-iodine eye drops treatment in reducing the conjunctival bacterial load in eyes scheduled for intravitreal treatment.
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Affiliation(s)
- Daniele Tognetto
- Eye Clinic, Department of Medical, Surgical Sciences and Health, University of Trieste, Ospedale Maggiore, Piazza Ospitale 1, 34129, Trieste, Italy
| | - Marco R Pastore
- Eye Clinic, Department of Medical, Surgical Sciences and Health, University of Trieste, Ospedale Maggiore, Piazza Ospitale 1, 34129, Trieste, Italy.
| | - Lorenzo Belfanti
- Eye Clinic, Department of Medical, Surgical Sciences and Health, University of Trieste, Ospedale Maggiore, Piazza Ospitale 1, 34129, Trieste, Italy
| | - Riccardo Merli
- Eye Clinic, Department of Medical, Surgical Sciences and Health, University of Trieste, Ospedale Maggiore, Piazza Ospitale 1, 34129, Trieste, Italy
| | - Alex L Vinciguerra
- Eye Clinic, Department of Medical, Surgical Sciences and Health, University of Trieste, Ospedale Maggiore, Piazza Ospitale 1, 34129, Trieste, Italy
| | - Marina Busetti
- Microbiology Unit, University Hospital of Trieste, Trieste, Italy
| | - Giulia Barbati
- Biostatistics Unit, Department of Medical Sciences, University of Trieste, Trieste, Italy
| | - Gabriella Cirigliano
- Eye Clinic, Department of Medical, Surgical Sciences and Health, University of Trieste, Ospedale Maggiore, Piazza Ospitale 1, 34129, Trieste, Italy
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17
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Berkowitz ST, Liu Y, Chen Q, Patel S. Correlation Between Ophthalmology Market Saturation and Medicare Utilization Rates. Am J Ophthalmol 2021; 229:137-144. [PMID: 33910054 DOI: 10.1016/j.ajo.2021.04.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 04/08/2021] [Accepted: 04/09/2021] [Indexed: 11/18/2022]
Abstract
PURPOSE To characterize usage of ophthalmologic services by Medicare Fee-For-Service (FFS) beneficiaries relative to geography-specific market saturation, demographics, and contextual factors DESIGN: Cross-sectional study METHODS: Data sets from Centers for Medicare & Medicaid Services, US Census Bureau, US Department of Agriculture, and Housing and Urban Development, were used to calculate county- and state-level ophthalmologic service usage, market saturation, and demographic characteristics. Negative binomial regression models were used to evaluate the association between results and demographic or population-specific variables. RESULTS Ophthalmologic service usage ranged from 58.2% to 15.2%, whereas saturation ranged from 21,763 to 91.4 FFS beneficiaries per registered ophthalmologist. Usage was significantly associated with demographic characteristics in each geography: lower proportion of African American (P = .009), Hispanic (P < .001), and other race beneficiaries (P < .001), relative to white beneficiaries; a higher proportion of female (P < .001) relative to male; a higher proportion of adults having completed an associate degree or some college (P = .001), or holding a bachelor's degree or higher (P < .001), relative to a high school diploma; a lower proportion of adults in each geography experiencing poverty (P = .009), geographies with lower Multidimensional Deprivation Index (P < .001); a higher urban-influence code (P < .001). There was no significant correlation between the usage of ophthalmologic services and the geographic market saturation of ophthalmologists (Spearman rho, -0.030, P = .227). CONCLUSIONS AND RELEVANCE Ophthalmologic service usage is significantly influenced by population demographics; however, increased provider density alone appears insufficient to promote the usage of eye care services.
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Affiliation(s)
| | - Yuhan Liu
- Department of Biostatistics, Vanderbilt University
| | - Qingxia Chen
- Department of Biostatistics, Vanderbilt University; Department of Ophthalmology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Shriji Patel
- Department of Ophthalmology, Vanderbilt University Medical Center, Nashville, Tennessee, USA..
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18
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Patel SN, Storey PP, Kim JS, Obeid A, Pancholy M, Hsu J, Garg SJ. Systemic Immunosuppression and Risk of Endophthalmitis After Intravitreal Anti-Vascular Endothelial Growth Factor Injections. Ophthalmic Surg Lasers Imaging Retina 2021; 52:S17-S22. [PMID: 34310237 DOI: 10.3928/23258160-20210518-04] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND AND OBJECTIVE To evaluate the impact of systemic immunosuppressive therapy on the rates and outcomes of endophthalmitis following intravitreal anti-vascular endothelial growth factor (VEGF) injections. PATIENTS AND METHODS A retrospective, single-center, comparative cohort study examining eyes undergoing intravitreal anti-VEGF injections from January 2016 to September 2019. Cohorts were created based on concurrent immunosuppressive therapy at time of injection. RESULTS Of 270,347 anti-VEGF injections administered, 1,300 injections (0.48%) were administered while on systemic immunosuppressive therapy. The odds of endophthalmitis occurring in the immunosuppression group was 9.86 (95% confidence interval [CI], 4.0-24.3; P < .001) times higher than the no-immunosuppression group. Symptom onset occurred 2.51 (95% CI, 0.15-4.870; P = .040) days earlier in the immunosuppression cohort; visual acuity at 6 months after treatment was similar in both groups. CONCLUSIONS Patients on systemic immunosuppressive medications undergoing intravitreal injections may be at increased risk for post-injection endophthalmitis and may have earlier symptom onset. However, visual outcomes were similar between the two groups. [Ophthalmic Surg Lasers Imaging Retina. 2021;52:S17-S22.].
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San-Juan-Rodriguez A, Gellad WF, Shrank WH, Good CB, Hernandez I. A decade of increases in Medicare Part B pharmaceutical spending: what are the drivers? J Manag Care Spec Pharm 2021; 27:565-573. [PMID: 33908276 DOI: 10.18553/jmcp.2021.27.5.565] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND: Medicare Part B pharmaceutical spending has increased rapidly, more than doubling in 2006-2017. Yet, it is unclear whether this increase was driven by increased utilization or increased cost per claim. OBJECTIVE: To evaluate the relative impact of changes in drug utilization and cost per claim on changes in Medicare Part B pharmaceutical spending in 2008-2016 overall, by drug type (specialty and nonspecialty) and therapeutic category. METHODS: In this retrospective descriptive study, we extracted all claims in 2008-2016 for separately payable Part B drugs from a 5% random sample of Medicare beneficiaries. Our study included 3 outcomes calculated annually for all included drugs: (1) spending, defined as the sum of total payments; (2) utilization, defined as total number of claims; and (3) cost per claim, defined as spending divided by the number of claims. Estimates of spending and utilization were expressed per beneficiary-year. Spending and cost per claim were adjusted for inflation. For each outcome, we calculated relative changes in 2008-2016. We repeated analyses stratifying by drug type (specialty and nonspecialty) and therapeutic class. RESULTS: Pharmaceutical spending in Medicare Part B increased by 34% from 2008-2016, driven by a 53% increase in the cost per claim. Utilization decreased by 12%. Spending on specialty drugs increased by 56%, driven by a 48% increase in the cost per claim and a 6% utilization increase. Spending on nonspecialty drugs decreased by 32% driven by an 18% reduction in the cost per claim and a 17% reduction in utilization. Spending on ophthalmic preparations increased by 281%, driven by a 238% utilization increase and a 13% increase in the cost per claim. Spending on antiarthritic and immunologic agents increased by 159%, driven by a 117% increase in the cost per claim and a 19% utilization increase. CONCLUSIONS: Medicare Part B pharmaceutical spending grew in recent years, despite decreased utilization, driven by an overall increase in the cost per claim. This was a product of rising drug prices and increased utilization of more expensive specialty drugs. These findings support the development of policies that aim to spur competition and control price growth of provider-administered drugs. DISCLOSURES: The authors acknowledge funding from the Myers Family Foundation. Hernandez was funded by the National Heart, Lung and Blood Institute (grant number K01HL142847). Shrank is an employee of Humana. Good is an employee of the UPMC Health Plan Insurance Services Division. There are no other potential conflicts of interest to disclose.
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Affiliation(s)
- Alvaro San-Juan-Rodriguez
- Department of Pharmacy and Therapeutics, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA
| | - Walid F Gellad
- Division of General Internal Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA
| | | | - Chester B Good
- Insurance Services Division, UPMC Health Plan, Pittsburgh, PA
| | - Inmaculada Hernandez
- Department of Pharmacy and Therapeutics, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA
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20
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Aslanis S, Amrén U, Lindberg C, Epstein D. Recurrent Neovascular Age-Related Macular Degeneration after Discontinuation of Vascular Endothelial Growth Factor Inhibitors Managed in a Treat-and-Extend Regimen. Ophthalmol Retina 2021; 6:15-20. [PMID: 33775926 DOI: 10.1016/j.oret.2021.03.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 03/09/2021] [Accepted: 03/22/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE To investigate the recurrence rate of active macular neovascularization in patients with neovascular age-related macular degeneration (nAMD) previously followed up in a treat-and-extend (TE) regimen in which treatment had been stopped because of disease stability. DESIGN Prospective cohort study. PARTICIPANTS One hundred five patients with nAMD previously followed up in a TE regimen treated with aflibercept injections. METHODS All patients with a dry macula on 3 consecutive visits 12 weeks apart were eligible to participate in the study. Patients were examined at baseline and then monitored for disease recurrence 4, 6, 8, 10, and 12 months after the last injection. MAIN OUTCOME MEASURES The proportion of patients with recurrent disease within 12 months after the last injection. Change in best-corrected visual acuity (BCVA) at the time of recurrence and after resumed therapy. RESULTS Evidence of recurrent nAMD was seen in 54 of 102 patients (52.9%) after 12 months of follow-up. The mean time to recurrence after the last injection was 6.7 ± 2.2 months. The BCVA decreased from 71.7 ± 10.0 Early Treatment Diabetic Retinopathy Study (ETDRS) letters at baseline to 68.1 ± 11.1 ETDRS letters at the recurrence (P = 0.12). After treatment resumed, BCVA increased to 71.4 ± 10.0 ETDRS letters (P = not significant compared with baseline). Patients with a pigment epithelial detachment (PED) at baseline showed a 74% (14/19) recurrence rate compared with 48% (40/83) in patients without a PED (P < 0.05). Only 22 of 54 patients (40.7%) with recurrent disease showed symptoms of visual loss or metamorphopsia. CONCLUSIONS Recurrent nAMD is common in previously stable patients for whom anti-VEGF injections have been suspended. It is difficult to predict which patients will experience a recurrence, and most of these patients do not show symptoms in the early stages of reactivation. Long-term follow-up is important, and early detection of recurrent disease can improve the chances for maintained visual function.
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Affiliation(s)
- Stamatios Aslanis
- Department of Vitreoretinal Diseases, St. Erik Eye Hospital, Stockholm, Sweden
| | - Urban Amrén
- Department of Vitreoretinal Diseases, St. Erik Eye Hospital, Stockholm, Sweden; Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Charlotte Lindberg
- Department of Vitreoretinal Diseases, St. Erik Eye Hospital, Stockholm, Sweden
| | - David Epstein
- Department of Vitreoretinal Diseases, St. Erik Eye Hospital, Stockholm, Sweden; Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
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Aweidah H, Safadi K, Jotkowitz A, Chowers I, Levy J. Hybrid Telehealth Medical Retina Clinic Due to Provider Exposure and Quarantine During COVID-19 Pandemic. Clin Ophthalmol 2020; 14:3421-3426. [PMID: 33116394 PMCID: PMC7585855 DOI: 10.2147/opth.s276276] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Accepted: 09/03/2020] [Indexed: 01/30/2023] Open
Abstract
Objective To present our hybrid telehealth medical retina clinic service with intravitreal injections (IVI) treatment as a safe alternative to in-person visits and examination during COVID-19 pandemic disease. Methods Due to exposure to a COVID-19 positive retina fellow, our retina service, in quarantine, evaluated patients’ medical files and retinal scans using a telemedicine approach. A different protocol for patients coming for IVI during the COVID-19 pandemic was established for IVI administration. Results During the 14-day quarantine period (between March 18th and March 31st 2020), the hybrid telehealth medical retina clinic performed 523 IVI to 394 patients with a mean age ± SD 70.96 ± 14.4 years. IVI were administered for neovascular age-related macular degeneration in 50.5% of the cases (199 patients), diabetic macular edema in 21.3% (84 patients), retinal vein occlusion in 17.5% (69 patients), and 10.7% for other retinal pathologies (42 patients). No ocular or systemic complications were observed. Conclusion During disasters and pandemics, IVI can be provided safely using a hybrid telehealth medical retina clinic approach but only in the appropriate patient and health care system.
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Affiliation(s)
- Hamzah Aweidah
- Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Khaled Safadi
- Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Alan Jotkowitz
- Department of Internal Medicine, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Itay Chowers
- Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Jaime Levy
- Department of Ophthalmology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
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Berkowitz ST, Patel S. Value of Anti-Vascular Endothelial Growth Factor Gene Therapy for Neovascular Age-Related Macular Degeneration. Ophthalmol Retina 2020; 5:357-364. [PMID: 32818623 DOI: 10.1016/j.oret.2020.08.005] [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: 05/10/2020] [Revised: 08/06/2020] [Accepted: 08/10/2020] [Indexed: 10/23/2022]
Abstract
PURPOSE To use discounted cash flow (DCF) analysis to estimate the value creation associated with anti-vascular endothelial growth factor (VEGF) genetic therapy for neovascular age-related macular degeneration (nAMD). DESIGN Economic analysis. PARTICIPANTS Adults undergoing serial intravitreal anti-VEGF injections in 1 eye for nAMD. METHODS Discounted cash flow modeling with scenario analysis was used to derive a present value for a 1-time alternative treatment to lifelong anti-VEGF treatment for nAMD. Multiple sensitivity analyses were performed on the basis of patient age at time of first injection and frequency interval of intravitreal injection. MAIN OUTCOME MEASURES Present values of DCF and scenario analyses. RESULTS Discounted cash flow analysis of intravitreal anti-VEGF treatment for nAMD resulted in a base-case valuation of $208 420.61, $219 093.31, and $17 379.41 for a 1-time alternative treatment to aflibercept, ranibizumab, and bevacizumab, respectively. This figure covaried significantly with anti-VEGF agent according to the patient age at first injection ($78 323.19-$292 449.87) and frequency of injections ($148 422.91-$388 096.81). In addition, for bevacizumab, variability was driven by the hypothetical degree of clinical superiority of 1-time therapy to repeated intravitreal injections due to reduction in adverse events ($17 379.41-$18 250.79) or reduction in direct or indirect costs associated with age-related macular degeneration ($17 379.41-$657 406.55). CONCLUSIONS Anti-VEGF gene therapy approaches can create significantly different value propositions based on the agent modeled, patient age at first injection, frequency of injections, and clinical profile of the medication. Although the use of aflibercept or ranibizumab as a comparative cost metric is logical from a bioequivalence perspective, the disparity in medication costs should not be the primary value driver in applied models. Instead, bevacizumab should be the base case ($17 379.41), with additional value driven from an improvement in quality of life through clinical superiority. A reduction in direct and indirect costs can be used to approximate the value from maintained visual acuity, which is elaborated in the DCF analysis approach described in this article. This model can serve as a basis for assessing the price ceiling of myriad gene therapy approaches. Given the high present values for these therapeutics, innovative costing and reimbursement mechanisms should be further explored, with contingencies for sustained efficacy.
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Affiliation(s)
- Sean T Berkowitz
- Department of Ophthalmology, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Shriji Patel
- Department of Ophthalmology, Vanderbilt University School of Medicine, Nashville, Tennessee.
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23
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Real-world vitreoretinal practice patterns during the 2020 COVID-19 pandemic: a nationwide, aggregated health record analysis. Curr Opin Ophthalmol 2020; 31:427-434. [PMID: 32740067 DOI: 10.1097/icu.0000000000000692] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
PURPOSE OF REVIEW The COVID-19 pandemic has posed an unprecedented challenge to the healthcare community. To reduce disease transmission, national regulatory agencies temporarily recommended curtailment of all nonurgent office visits and elective surgeries in March 2020, including vitreoretinal outpatient care in the USA. The effect of these guidelines on utilization of vitreoretinal care has not been explored to date. RECENT FINDINGS Retinal outpatient visits, new patient visits, intravitreal antivascular endothelial growth factor injections and in-office multimodal retinal imaging has seen a significant decline in utilization in the early phase of the pandemic. Intravitreal injections were performed at a comparatively higher rate than office visits. Utilization appeared to steadily increase in April 2020. Telemedicine visits, enabled by new national legislation for all areas of medicine, have been adopted to a modest degree by the retina community. SUMMARY In-office retinal care declined in response to the COVID-19 pandemic and national regulatory guidelines limiting nonurgent care. These trends in practice patterns and care utilization may be of interest to vitreoretinal providers and all ophthalmologists at large.
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Risk of Systemic Adverse Events after Intravitreal Bevacizumab, Ranibizumab, and Aflibercept in Routine Clinical Practice. Ophthalmology 2020; 128:417-424. [PMID: 32781110 DOI: 10.1016/j.ophtha.2020.07.062] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 07/27/2020] [Accepted: 07/30/2020] [Indexed: 01/04/2023] Open
Abstract
PURPOSE Intravitreal anti-vascular endothelial growth factor (VEGF) pharmacotherapy plays a central role in the management of neovascular age-related macular degeneration (nAMD), diabetic retinal disease (DRD), and retinal venous occlusive disease (RVO). Within clinical trials, rates of systemic serious adverse events (SAEs) after anti-VEGF treatment have been low. However, the comparative systemic safety profile of common anti-VEGF agents remains incompletely understood. The goal of this study was to compare the systemic safety of intravitreal bevacizumab, ranibizumab, and aflibercept in real-world practice. DESIGN Retrospective cohort study. PARTICIPANTS Using a large U.S. administrative claims database of commercially insured and Medicare Advantage enrollees, we identified adult cohorts receiving initial anti-VEGF injections for nAMD, DRD, and RVO between January 1, 2007, and June 30, 2018. We included patients with 1 year of insurance coverage before initial treatment. METHODS We compared predefined systemic outcomes between anti-VEGF agents occurring within 180 days of treatment initiation using propensity score-weighted Cox proportional hazards models. Patients were censored upon treatment with a different anti-VEGF medication or termination of health plan coverage. MAIN OUTCOME MEASURES Primary outcomes were acute myocardial infarction (MI), acute cerebrovascular disease (CVD), major bleeding, and all-cause hospitalization. RESULTS A total of 87 844 patients received initial anti-VEGF injections for nAMD, DRD, and RVO between January 1, 2007, and June 30, 2018 (69 007 bevacizumab; 10 895 ranibizumab; 7942 aflibercept). Postinjection 180-day event rates per 100 patients for MI, CVD, major bleeding, and all-cause hospitalization were similar for bevacizumab (0.64, 0.59, 0.34, and 10.41, respectively), ranibizumab (0.62, 0.53, 0.40, and 9.44, respectively), and aflibercept (0.63, 0.60, 0.20, and 9.88, respectively). No differences were identified for the risk of MI, CVD, major bleeding, or all-cause hospitalization when comparing the risk-adjusted effect of treatment initiation with bevacizumab versus ranibizumab (hazard ratio [HR], 0.96 [95% confidence interval {CI}, 0.74-1.25]; HR, 1.04 [95% CI, 0.78-1.38]; HR, 0.85 [95% CI, 0.61-1.19]; HR, 1.03 [95% CI, 0.96-1.10], all P > 0.05), bevacizumab versus aflibercept (HR, 0.95 [95% CI, 0.68-1.33], HR, 0.99 [95% CI, 0.71-1.38], HR, 1.02 [95% CI, 0.60-1.74], HR, 1.01 [95% CI, 0.93-1.10], all P > 0.05), or aflibercept versus ranibizumab (HR, 0.91 [95% CI, 0.62-1.35], HR, 1.12 [95% CI, 0.74-1.69], HR, 0.96 [95% CI, 0.53-1.73], HR, 1.02 [95% CI, 0.92-1.13], all P > 0.05). CONCLUSIONS We observed no differences in the risk of acute MI, CVD, major bleeding, or all-cause hospitalization after treatment initiation with intravitreal bevacizumab, ranibizumab, or aflibercept during routine clinical practice.
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Patel SN, Gangaputra S, Sternberg P, Kim SJ. Prophylaxis measures for postinjection endophthalmitis. Surv Ophthalmol 2020; 65:408-420. [PMID: 31923477 DOI: 10.1016/j.survophthal.2019.12.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 12/24/2019] [Accepted: 12/30/2019] [Indexed: 12/23/2022]
Abstract
Intravitreal injections have become the most commonly performed ophthalmic procedure, transforming modern retina practice. Postinjection endophthalmitis, while rare, remains the most feared potential complication. Prophylaxis measures including topical antisepsis, hand hygiene, gloves, masks, and drapes have all been proposed to help prevent postinjection endophthalmitis; however, there remains significant variation in protocol, given the lack of agreement among retina specialists on which steps are crucial to prevent endophthalmitis. With millions of injections performed annually, collating data have helped us better understand risk factors for endophthalmitis after intravitreal injection. We summarize the consensus guidelines for intravitreal injection technique and comprehensively review the literature on prevention of postinjection endophthalmitis.
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Affiliation(s)
- Shriji N Patel
- Vanderbilt University School of Medicine, Nashville, Tennessee, USA.
| | - Sapna Gangaputra
- Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Paul Sternberg
- Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Stephen J Kim
- Vanderbilt University School of Medicine, Nashville, Tennessee, USA
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