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Brugnera M, Vicario-de-la-Torre M, González-Cela Casamayor MA, López-Cano JJ, Bravo-Osuna I, Huete-Toral F, González Rubio ML, Carracedo G, Molina-Martínez IT, Andrés-Guerrero V, Herrero-Vanrell R. Enhancing the hypotensive effect of latanoprost by combining synthetic phosphatidylcholine liposomes with hyaluronic acid and osmoprotective agents. Drug Deliv Transl Res 2024; 14:2804-2822. [PMID: 38602615 PMCID: PMC11385046 DOI: 10.1007/s13346-024-01584-z] [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] [Accepted: 03/18/2024] [Indexed: 04/12/2024]
Abstract
The first line of glaucoma treatment focuses on reducing intraocular pressure (IOP) through the prescription of topical prostaglandin analogues, such as latanoprost (LAT). Topical ophthalmic medicines have low bioavailability due to their rapid elimination from the ocular surface. Nanotechnology offers innovative ways of enhancing the ocular bioavailability of antiglaucoma agents while reducing administration frequency. This study aims to combine LAT-loaded synthetic phosphatidylcholine liposomes with hyaluronic acid (0.2% w/v) and the osmoprotectants betaine (0.40% w/v) and leucine (0.90% w/v) (LAT-HA-LIP) to extend the hypotensive effect of LAT while protecting the ocular surface. LAT-HA-LIP was prepared as a mixture of 1,2-dioleoyl-sn-glycero-3-phosphocholine and 1,2-dimyristoyl-sn-glycero-3-phosphocholine, cholesterol and α-tocopherol acetate. LAT-HA-LIP exhibited high drug-loading capacity (104.52 ± 4.10%), unimodal vesicle sizes (195.14 ± 14.34 nm) and a zeta potential of -13.96 ± 0.78 mV. LAT-HA-LIP was isotonic (284.00 ± 1.41 mOsm L-1), had neutral pH (7.63 ± 0.01) and had suitable surface tension (44.07 ± 2.70 mN m-1) and viscosity (2.69 ± 0.15 mPa s-1) for topical ophthalmic administration. LAT-HA-LIP exhibited optimal in vitro tolerance in human corneal and conjunctival epithelial cells. No signs of ocular alteration or discomfort were observed when LAT-HA-LIP was instilled in albino male New Zealand rabbits. Hypotensive studies revealed that, after a single eye drop, the effect of LAT-HA-LIP lasted 24 h longer than that of a marketed formulation and that relative ocular bioavailability was almost three times higher (p < 0.001). These findings indicate the potential ocular protection and hypotensive effect LAT-HA-LIP offers in glaucoma treatment.
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Affiliation(s)
- Marco Brugnera
- Innovation, Therapy and Pharmaceutical Development in Ophthalmology (InnOftal) Research Group, Complutense University of Madrid (UCM), Madrid, Spain
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, UCM; IdISSC, Madrid, Spain
- University Institute of Industrial Pharmacy (IUFI), Faculty of Pharmacy, UCM, Madrid, Spain
| | - Marta Vicario-de-la-Torre
- Innovation, Therapy and Pharmaceutical Development in Ophthalmology (InnOftal) Research Group, Complutense University of Madrid (UCM), Madrid, Spain
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, UCM; IdISSC, Madrid, Spain
- University Institute of Industrial Pharmacy (IUFI), Faculty of Pharmacy, UCM, Madrid, Spain
| | - Miriam Ana González-Cela Casamayor
- Innovation, Therapy and Pharmaceutical Development in Ophthalmology (InnOftal) Research Group, Complutense University of Madrid (UCM), Madrid, Spain
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, UCM; IdISSC, Madrid, Spain
| | - José Javier López-Cano
- Innovation, Therapy and Pharmaceutical Development in Ophthalmology (InnOftal) Research Group, Complutense University of Madrid (UCM), Madrid, Spain
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, UCM; IdISSC, Madrid, Spain
| | - Irene Bravo-Osuna
- Innovation, Therapy and Pharmaceutical Development in Ophthalmology (InnOftal) Research Group, Complutense University of Madrid (UCM), Madrid, Spain
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, UCM; IdISSC, Madrid, Spain
- University Institute of Industrial Pharmacy (IUFI), Faculty of Pharmacy, UCM, Madrid, Spain
| | - Fernando Huete-Toral
- Ocupharm Research Group, Department of Optometry and Vision, Faculty of Optics and Optometry, UCM, Madrid, Spain
| | - María Luisa González Rubio
- Ocupharm Research Group, Department of Optometry and Vision, Faculty of Optics and Optometry, UCM, Madrid, Spain
| | - Gonzalo Carracedo
- Ocupharm Research Group, Department of Optometry and Vision, Faculty of Optics and Optometry, UCM, Madrid, Spain
| | - Irene Teresa Molina-Martínez
- Innovation, Therapy and Pharmaceutical Development in Ophthalmology (InnOftal) Research Group, Complutense University of Madrid (UCM), Madrid, Spain
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, UCM; IdISSC, Madrid, Spain
- University Institute of Industrial Pharmacy (IUFI), Faculty of Pharmacy, UCM, Madrid, Spain
| | - Vanessa Andrés-Guerrero
- Innovation, Therapy and Pharmaceutical Development in Ophthalmology (InnOftal) Research Group, Complutense University of Madrid (UCM), Madrid, Spain.
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, UCM; IdISSC, Madrid, Spain.
- University Institute of Industrial Pharmacy (IUFI), Faculty of Pharmacy, UCM, Madrid, Spain.
| | - Rocío Herrero-Vanrell
- Innovation, Therapy and Pharmaceutical Development in Ophthalmology (InnOftal) Research Group, Complutense University of Madrid (UCM), Madrid, Spain.
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, UCM; IdISSC, Madrid, Spain.
- University Institute of Industrial Pharmacy (IUFI), Faculty of Pharmacy, UCM, Madrid, Spain.
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Bayraktar S, Hondur G, Şekeroğlu MA, Cengiz Özyurt B, Şen E. The long-term effects of topical latanoprost 0.005% treatment on pupillary functions: A 2-year longitudinal study. Eur J Ophthalmol 2024; 34:1497-1505. [PMID: 38238940 DOI: 10.1177/11206721241227780] [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] [Indexed: 09/12/2024]
Abstract
PURPOSE To investigate the long-term effects of topical latanoprost 0.005% treatment on pupillary functions in early-stage primary open-angle glaucoma (POAG) eyes using automated pupillometry. METHODS This prospective study involved 20 eyes of 20 treatment-naive subjects with early-stage POAG. After comprehensive ophthalmic examination, static and dynamic pupillometry measurements were performedbefore treatment, at the 1st follow-up visit (1.10 ± 0.30 months) and the 2nd follow-up visit (25.85 ± 10.26 months) after treatment initiation. Dynamic parameters included resting diameter (mm), amplitude (mm), latency (ms), duration (ms), and velocity (mm/s) of pupil contraction and dilation. Static pupillometry parameters were pupil diameter (PD, mm) in high-photopic, low-photopic, mesopic and scotopic conditions. RESULTS The velocity of pupil dilation significantly decreased during the 1st visit (p = 0.008) and the 2nd visit (p = 0.0003) of treatment compared to the pre-treatment visit. The resting PD was also significantly higher after the 1st visit (p = 0.003) and the 2nd visit (p = 0.001) compared to the pre-treatment visit. However, the difference in resting PD measured between the 1st and 2nd visits did not reach statistical significance (p = 0.065). There were no significant changes in other dynamic parameters (p > 0.05 for all). Additionally, a mild, but not significant, mydriatic effect was observed in PD measurements under scotopic, mesopic and low photopic lighting conditions after follow-up. None of the static and dynamic parameters correlate with age, changes in intraocular pressure (IOP) or mean deviation (MD) values of visual field tests. CONCLUSION The long-term topical latanoprost 0.005% treatment in early-stage POAG has a slight mydriatic effect on the pupil. Further longitudinal clinical studies with larger patient cohorts are necessary to better understand the effects of latanoprost on pupillary functions.
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Affiliation(s)
- Serdar Bayraktar
- Department of Ophthalmology, The University of Health Sciences, Ulucanlar Eye Training and Research Hospital, Ankara, Turkey
| | - Gözde Hondur
- Department of Ophthalmology, The University of Health Sciences, Ulucanlar Eye Training and Research Hospital, Ankara, Turkey
| | - Mehmet Ali Şekeroğlu
- Department of Ophthalmology, The University of Health Sciences, Ulucanlar Eye Training and Research Hospital, Ankara, Turkey
| | - Beyhan Cengiz Özyurt
- Department of Public Health, Faculty of Medicine, Celal Bayar University, Manisa, Turkey
| | - Emine Şen
- Department of Ophthalmology, The University of Health Sciences, Ulucanlar Eye Training and Research Hospital, Ankara, Turkey
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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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Lu Y, He Y, Wang X, Wang H, Qiu Q, Wu B, Wu X. Screening, characterization, and determination of suspected additives bimatoprost and latanoprost in cosmetics using NMR and LC-MS methods. Anal Bioanal Chem 2023:10.1007/s00216-023-04744-1. [PMID: 37219580 DOI: 10.1007/s00216-023-04744-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 05/07/2023] [Accepted: 05/10/2023] [Indexed: 05/24/2023]
Abstract
Recently, many new types of cosmetic illegal additives have been screened in the market. Most of the new additives were new drugs or analogues with very similar structures to other prohibited additives, which were difficult to be identified by liquid chromatography-mass spectrometry (LC-MS) only. Therefore, a new strategy is proposed, which is chromatographic separation combined with nuclear magnetic resonance spectroscopy (NMR) structural identification. The suspected samples were screened by ultra-high-performance liquid chromatography tandem high-resolution mass spectrometry (UPLC-Q-TOF-MS), followed by purification and extraction through silica-gel column chromatography and preparative high-performance liquid chromatography (HPLC). Finally, the extracts were identified unambiguously by NMR as bimatoprost and latanoprost, which were identified to be new cosmetic illegal additives in eyelash serums in China. Meanwhile, bimatoprost and latanoprost were quantified by high-performance liquid chromatography tandem triple quadrupole mass spectrum (HPLC-QQQ-MS/MS). The quantitative method demonstrated good linearity in the range of approximately 0.25-50 ng/mL (R2 > 0.9992), with limit of detection (LOD) and limit of quantification (LOQ) values of 0.01 and 0.03 mg/kg, respectively. The accuracy, precision, and reproducibility were confirmed to be acceptable.
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Affiliation(s)
- Yong Lu
- National Institutes for Food and Drug Control, Beijing, 100050, China
| | - Yu He
- National Institutes for Food and Drug Control, Beijing, 100050, China
| | - Xinran Wang
- National Institutes for Food and Drug Control, Beijing, 100050, China
| | - Haiyan Wang
- National Institutes for Food and Drug Control, Beijing, 100050, China
| | - Qianqian Qiu
- National Institutes for Food and Drug Control, Beijing, 100050, China
| | - Baojin Wu
- National Institutes for Food and Drug Control, Beijing, 100050, China
| | - Xianfu Wu
- National Institutes for Food and Drug Control, Beijing, 100050, China.
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Subbulakshmi S, Kavitha S, Venkatesh R. Prostaglandin analogs in ophthalmology. Indian J Ophthalmol 2023; 71:1768-1776. [PMID: 37203029 PMCID: PMC10391402 DOI: 10.4103/ijo.ijo_2706_22] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023] Open
Abstract
Glaucoma is a major cause of irreversible blindness worldwide. Reducing intraocular pressure (IOP) is currently the only approach to prevent further optic nerve head damage. Pharmacotherapy is the mainstay of treatment for glaucoma patients. In recent years, a significant milestone in glaucoma treatment has been a transition to prostaglandin analogs (PGAs) as the first line of drugs. The rapid shift from traditional β-blockers to PGAs is primarily due to their excellent efficacy, convenient once-a-day usage, better diurnal control of IOP, and systemic safety profiles. This review article aims to provide information regarding the various PGAs in practice and also the newer promising drugs.
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Affiliation(s)
- S Subbulakshmi
- Department of Glaucoma, Aravind Eye Hospital, Puducherry, India
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Scelfo C, ElSheikh RH, Shamim MM, Abbasian J, Ghaffarieh A, Elhusseiny AM. Ocular Surface Disease in Glaucoma Patients. Curr Eye Res 2023; 48:219-230. [PMID: 35179417 DOI: 10.1080/02713683.2022.2041041] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
PURPOSE To review the most recent studies in the literature regarding the ocular surface in glaucoma patients and treatment options aimed to reduce ocular surface disease in this population. METHODS We performed a literature search in the electronic databases of PubMed CENT RAL, Google Scholar, EMBASE the Register of Controlled Trials, and Ovid MEDLINE using the following terms: "ocular surface", "dry eye", "glaucoma", "selective laser trabeculoplasty", "glaucoma surgery", "preservatives", "preservative free", "ocular surface disease index", "tear break up time", "MMP-9" and "conjunctival hyperemia". RESULTS Over the last several years, several studies have demonstrated the changes to the ocular surface in the setting of glaucoma, the best tests for markers of dry eye, and how management can be altered to help address ocular surface disease routinely or in preparation for glaucoma surgery. CONCLUSION Ocular surface disease in the glaucoma patient population is widely recognized. It should be addressed to maximize patient compliance and quality of life.
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Affiliation(s)
- Christina Scelfo
- Department of Ophthalmology, Boston Children's Hospital, Hawthorne, NY, USA
| | - Reem H ElSheikh
- Department of Ophthalmology, Kasr Al-Ainy Hospitals, Cairo University, Cairo, Egypt
| | - Muhammad M Shamim
- Department of Ophthalmology, Harvey and Bernice Jones Eye Institute, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Javaneh Abbasian
- Department of Ophthalmology, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, IL, USA
| | - Alireza Ghaffarieh
- Department of Ophthalmology, Harvey and Bernice Jones Eye Institute, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Abdelrahman M Elhusseiny
- Department of Ophthalmology, Harvey and Bernice Jones Eye Institute, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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Aqueous Prostaglandin Eye Drop Formulations. Pharmaceutics 2022; 14:pharmaceutics14102142. [PMID: 36297577 PMCID: PMC9611212 DOI: 10.3390/pharmaceutics14102142] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/23/2022] [Accepted: 10/07/2022] [Indexed: 11/25/2022] Open
Abstract
Glaucoma is one of the leading causes of irreversible blindness worldwide. It is characterized by progressive optic neuropathy in association with damage to the optic nerve head and, subsequently, visual loss if it is left untreated. Among the drug classes used for the long-term treatment of open-angle glaucoma, prostaglandin analogues (PGAs) are the first-line treatment and are available as marketed eye drop formulations for intraocular pressure (IOP) reduction by increasing the trabecular and uveoscleral outflow. PGAs have low aqueous solubility and are very unstable (i.e., hydrolysis) in aqueous solutions, which may hamper their ocular bioavailability and decrease their chemical stability. Additionally, treatment with PGA in conventional eye drops is associated with adverse effects, such as conjunctival hyperemia and trichiasis. It has been a very challenging for formulation scientists to develop stable aqueous eye drop formulations that increase the PGAs' solubility and enhance their therapeutic efficacy while simultaneously lowering their ocular side effects. Here the physiochemical properties and chemical stabilities of the commercially available PGAs are reviewed, and the compositions of their eye drop formulations are discussed. Furthermore, the novel PGA formulations for glaucoma treatment are reviewed.
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