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Lazrak A, Desbois N, Bonnafous M, Ouamrane K, Merle H. Favorable outcome of Lasiodiplodia theobromae keratomycosis : a clinical case and systematic review. BMC Ophthalmol 2024; 24:332. [PMID: 39118115 PMCID: PMC11308431 DOI: 10.1186/s12886-024-03599-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] [Received: 05/16/2024] [Accepted: 07/29/2024] [Indexed: 08/10/2024] Open
Abstract
BACKROUD Keratitis caused by Lasiodiplodia theobromae is rare and typically associated with a poor prognosis. Current literature lacks sufficient evidence on effective management of patients with this condition. CASE PRESENTATION A 74-year-old former agricultural worker presented with a red right eye, discomfort, and decreased visual acuity, progressing over three days without treatment. Examination revealed type 2 diabetes and a non-perforating, spiculated corneal abscess with a hypopyon in the right eye. Initial treatment included a triple antibiotic therapy and supportive care. Direct mycological examination identified numerous septate mycelial filaments. Antifungal treatment with natamycin and voriconazole, both topically and orally, was initiated. Cultures confirmed Lasiodiplodia theobromae. The patient showed significant improvement. Treatment continued for eight weeks, with a final visual acuity of 20/50 due to a stromal scar. CONCLUSION An extensive literature review conducted in November 2023, using databases such as PubMed and Google Scholar with the keywords "lasiodiplodia" and "keratitis" yielded no previous cases of this specific condition being managed solely with the combined use of natamycin and voriconazole. This antifungal combination is commonly included in most management protocols for fungal keratitis. Factors such as the use of corticosteroids and delayed diagnosis were noted to adversely affect the prognosis. This case and this systematic review underscores the potential for non-surgical management options in severe fungal keratitis.
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Affiliation(s)
- Adam Lazrak
- Department of Ophthalmology, University Hospital Center of Martinique, Pierre Zobda-Quitman Hospital, BP 632, Fort de France Cedex, F-97261, France.
| | - Nicole Desbois
- Laboratory of Mycology, University Hospital Center of Martinique, Pierre Zobda-Quitman Hospital, Fort de France, France
| | - Martin Bonnafous
- Department of Ophthalmology, University Hospital Center of Martinique, Pierre Zobda-Quitman Hospital, BP 632, Fort de France Cedex, F-97261, France
| | - Katia Ouamrane
- Department of Ophthalmology, University Hospital Center of Martinique, Pierre Zobda-Quitman Hospital, BP 632, Fort de France Cedex, F-97261, France
| | - Harold Merle
- Department of Ophthalmology, University Hospital Center of Martinique, Pierre Zobda-Quitman Hospital, BP 632, Fort de France Cedex, F-97261, France
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Macwan M, Paliwal H, Prajapati BG. A novel liposomal formulation for ocular delivery of caspofungin: an experimental study by quality by design-based approach. Ther Deliv 2024; 15:667-683. [PMID: 39101438 DOI: 10.1080/20415990.2024.2379756] [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: 01/08/2024] [Accepted: 07/10/2024] [Indexed: 08/06/2024] Open
Abstract
Aim: This study focuses on the development of a Caspofungin liposome for efficient ocular delivery by enhancing corneal penetration.Method: Quality by design (QbD) approach was adopted to identify critical factors that influence final liposomal formulation. The liposome developed using thin film hydration after optimization was subjected to characterization for physicochemical properties, irritation potential and corneal uptake.Results: The numerical optimization suggests an optimal formulation with a desirability value of 0.706, using CQAs as optimization goals with 95% prediction intervals. The optimized formulation showed no signs of irritation potential along with observation of significant corneal permeation.Conclusion: The liposomal formulation increased the permeability of Caspofungin, which could enhance the efficacy for the treatment of conditions, like fungal keratitis.
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Affiliation(s)
- Mercy Macwan
- Department of Pharmaceutics & Pharmaceutical Technology, Shree S. K. Patel College of Pharmaceutical Education & Research, Ganpat University, Kherva, Gujarat, 384012, India
| | - Himanshu Paliwal
- Department of Pharmaceutics, Sanjivani College of Pharmaceutical Education & Research, Kopargaon, Maharashtra , 423603, India
| | - Bhupendra G Prajapati
- Department of Pharmaceutics & Pharmaceutical Technology, Shree S. K. Patel College of Pharmaceutical Education & Research, Ganpat University, Kherva, Gujarat, 384012, India
- Faculty of Pharmacy, Silpakorn University, Nakhon Pathom, 73000, Thailand
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Putri RA, Enggi CK, Sulistiawati S, Burhanuddin H, Iskandar IW, Saputra RR, Rahman L, Sartini S, Rifai Y, Aswad M, Permana AD. Development of itraconazole ocular delivery system using β-cyclodextrin complexation incorporated into dissolving microneedles for potential improvement treatment of fungal keratitis. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2024:1-28. [PMID: 39083398 DOI: 10.1080/09205063.2024.2380129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 06/27/2024] [Indexed: 08/02/2024]
Abstract
Itraconazole (ITZ) is one of the broad-spectrum antifungal agents for treating fungal keratitis. In clinical use, ITZ has problems related to its poor solubility in water, which results in low bioavailability when administered orally. To resolve the issue, we formulated ITZ into the inclusion complex (ITZ-IC) system using β-cyclodextrin (β-CD), which can potentially increase the solubility and bioavailability of ITZ. The molecular docking study has confirmed that the binding energy of ITZ with the β-CD was -5.0 kcal/mol, indicating a stable conformation of the prepared inclusion complex. Moreover, this system demonstrated that the inclusion complex could significantly increase the solubility of ITZ up to 4-fold compared to the pure drug. Furthermore, an ocular drug delivery system was developed through dissolving microneedle (DMN) using polyvinyl pyrrolidone (PVP) and polyvinyl alcohol (PVA) as polymeric substances. The evaluation results of DMN inclusion complexes (ITZ-IC-DMN) showed excellent mechanical strength and insertion ability. In addition, ITZ-IC-DMN can dissolve rapidly upon application. The ex vivo permeation study revealed that 75.71% (equivalent to 3.79 ± 0.21 mg) of ITZ was permeated through the porcine cornea after 24 h. Essentially, ITZ-IC-DMN exhibited no signs of irritation in the HET-CAM study, indicating its safety for application. In conclusion, this study has successfully developed an inclusion complex formulation containing ITZ using β-CD in the DMN system. This approach holds promise for enhancing the solubility and bioavailability of ITZ through ocular administration.
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Affiliation(s)
- Rasma Adelia Putri
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Cindy Kristina Enggi
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Sulistiawati Sulistiawati
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Habiburrahim Burhanuddin
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | | | - Rizki Rachmad Saputra
- Faculty of Mathematics and Natural Sciences, University of Palangka Raya, Central Kalimantan, Palangkaraya, Indonesia
| | - Latifah Rahman
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Sartini Sartini
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Yusnita Rifai
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Muhammad Aswad
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
| | - Andi Dian Permana
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
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Yu B, Wang Q, Zhang L, Lin J, Feng Z, Wang Z, Gu L, Tian X, Luan S, Li C, Zhao G. Ebselen improves fungal keratitis through exerting anti-inflammation, anti-oxidative stress, and antifungal effects. Redox Biol 2024; 73:103206. [PMID: 38796864 PMCID: PMC11152752 DOI: 10.1016/j.redox.2024.103206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 05/19/2024] [Accepted: 05/21/2024] [Indexed: 05/29/2024] Open
Abstract
Fungal keratitis is a severely vision-threatening corneal infection, where the prognosis depends on both fungal virulence and host immune defense. Inappropriate host responses can induce substantial inflammatory damage to the cornea. Therefore, in the treatment of fungal keratitis, it is important to concurrently regulate the immune response while efforts are made to eliminate the pathogen. Ebselen is a widely studied organo-selenium compound and has been demonstrated to have antifungal, antibacterial, anti-inflammatory, and oxidative stress-regulatory properties. The effectiveness of ebselen for the treatment of fungal keratitis remains unknown. In this study, ebselen was demonstrated to produce a marked inhibitory effect on Aspergillus fumigatus (A. fumigatus), including spore germination inhibition, mycelial growth reduction, and fungal biofilm disruption. The antifungal activity of ebselen was related to the cell membrane damage caused by thioredoxin (Trx) system inhibition-mediated oxidative stress. On the contrary, ebselen enhanced the antioxidation of Trx system in mammalian cells. Further, ebselen was proven to suppress the expressions of inflammatory mediators (IL-1β, IL-6, TNF-α, COX-2, iNOS, and CCL2) and reduce the production of oxidative stress-associated indicators (ROS, NO, and MDA) in fungi-stimulated RAW264.7 cells. In addition, ebselen regulated PI3K/Akt/Nrf2 and p38 MAPK signaling pathways, which contributed to the improvement of inflammation and oxidative stress. Finally, we verified the therapeutic effect of ebselen on mouse fungal keratitis. Ebselen improved the prognosis and reduced the fungal burden in mouse corneas. Expressions of inflammatory mediators, as well as the infiltration of macrophages and neutrophils in the cornea were also obviously decreased by ebselen. In summary, ebselen exerted therapeutic effects by reducing fungal load and protecting host tissues in fungal keratitis, making it a promising treatment for fungal infections.
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Affiliation(s)
- Bing Yu
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, Shandong Province, 266003, China
| | - Qian Wang
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, Shandong Province, 266003, China
| | - Lina Zhang
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, Shandong Province, 266003, China
| | - Jing Lin
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, Shandong Province, 266003, China
| | - Zhuhui Feng
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, Shandong Province, 266003, China
| | - Ziyi Wang
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, Shandong Province, 266003, China
| | - Lingwen Gu
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, Shandong Province, 266003, China
| | - Xue Tian
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, Shandong Province, 266003, China
| | - Songying Luan
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, Shandong Province, 266003, China
| | - Cui Li
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, Shandong Province, 266003, China.
| | - Guiqiu Zhao
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, Shandong Province, 266003, China.
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Leong E, Cifuentes-González C, Hu Y W J, Perumal Samy R, Khairallah M, Rojas-Carabali W, Putera I, de-la-Torre A, Agrawal R. Clinical Insights: Antimicrobial Therapy for Infectious Uveitis. Ocul Immunol Inflamm 2024:1-21. [PMID: 38759216 DOI: 10.1080/09273948.2024.2345848] [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: 08/09/2023] [Accepted: 04/16/2024] [Indexed: 05/19/2024]
Abstract
Infectious uveitis is a major global cause of vision impairment. Despite the eye's immune privilege, afforded by the blood-ocular barrier that restricts microbial entry, several pathogens such as bacteria, viruses, fungi, and parasites can still infiltrate and cause ocular infections and complications. Clinicians often encounter significant challenges in treating infectious uveitis due to limited or ineffective treatment options. Modern molecular techniques and imaging can aid in diagnosing and assessing intraocular infections. Various antimicrobial therapies exist, spanning topical and systemic treatments, but these are constrained by issues like drug concentration, penetration, effective duration, toxicity, and side effects. Treatment approaches also differ based on the infection's etiology. This review provides recent updates on antimicrobial therapies from a clinical perspective, covering topical, systemic, and regional treatments for infectious uveitis.
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Affiliation(s)
- Evangeline Leong
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Carlos Cifuentes-González
- Neuroscience Research Group (NEUROS), Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogotá, Colombia
- Department of Ophthalmology, National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore, Singapore
| | - Jeremy Hu Y W
- Department of Ophthalmology, National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore, Singapore
| | - Ramar Perumal Samy
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Ocular Infections and Antimicrobial Group, Singapore Eye Research Institute, Singapore, Singapore
| | - Moncef Khairallah
- Department of Ophthalmology, Faculty of Medicine, Fattouma Bourguiba University Hospital, University of Monastir, Monastir, Tunisia
| | - William Rojas-Carabali
- Neuroscience Research Group (NEUROS), Neurovitae Center for Neuroscience, Institute of Translational Medicine (IMT), Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogotá, Colombia
- Department of Ophthalmology, National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Ikhwanuliman Putera
- Department of Ophthalmology, Faculty of Medicine Universitas Indonesia - Cipto Mangunkusumo Kirana Eye Hospital, Jakarta, Indonesia
- Department of Immunology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Alejandra de-la-Torre
- Department of Ophthalmology, National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore, Singapore
| | - Rupesh Agrawal
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Department of Ophthalmology, National Healthcare Group Eye Institute, Tan Tock Seng Hospital, Singapore, Singapore
- Ocular Infections and Antimicrobial Group, Singapore Eye Research Institute, Singapore, Singapore
- Lee Kong Chian School of Medicine, Singapore, Singapore
- Duke NUS Medical School, Singapore, Singapore
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6
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Feng Z, Gu L, Lin J, Wang Q, Yu B, Yao X, Feng Z, Zhao G, Li C. Formononetin protects against Aspergillus fumigatus Keratitis: Targeting inflammation and fungal load. Int Immunopharmacol 2024; 132:112046. [PMID: 38593508 DOI: 10.1016/j.intimp.2024.112046] [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: 01/08/2024] [Revised: 03/29/2024] [Accepted: 04/06/2024] [Indexed: 04/11/2024]
Abstract
PURPOSE To investigate the potential treatment of formononetin (FMN) on Aspergillus fumigatus (A. fumigatus) keratitis with anti-inflammatory and antifungal activity. METHODS The effects of FMN on mice with A. fumigatus keratitis were evaluated through keratitis clinical scores, hematoxylin-eosin (HE) staining, and plate counts. The expression of pro-inflammatory factors was measured using RT-PCR, ELISA, or Western blot. The distribution of macrophages and neutrophils was explored by immunofluorescence staining. The antifungal properties of FMN were assessed through minimum inhibitory concentration (MIC), propidium iodide (PI) staining, fungal spore adhesion, and biofilm formation assay. RESULTS In A. fumigatus keratitis mice, FMN decreased the keratitis clinical scores, macrophages and neutrophils migration, and the expression of TNF-α, IL-6, and IL-1β. In A. fumigatus-stimulated human corneal epithelial cells (HCECs), FMN reduced the expression of IL-6, TNF-α, IL-1β, and NLRP3. FMN also decreased the expression of thymic stromal lymphopoietin (TSLP) and thymic stromal lymphopoietin receptor (TSLPR). Moreover, FMN reduced the levels of reactive oxygen species (ROS) induced by A. fumigatus in HCECs. Furthermore, FMN inhibited A. fumigatus growth, prevented spore adhesion and disrupted fungal biofilm formation in vitro. In vivo, FMN treatment reduced the fungal load in mice cornea at 3 days post infection (p.i.). CONCLUSION FMN demonstrated anti-inflammatory and antifungal properties, and exhibited a protective effect on mouse A. fumigatus keratitis.
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Affiliation(s)
- Zhuhui Feng
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Lingwen Gu
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Jing Lin
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Qian Wang
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Bing Yu
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Xiaofeng Yao
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Zheng Feng
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Guiqiu Zhao
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China.
| | - Cui Li
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China.
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Mazzantini D, Massimino M, Calvigioni M, Rossi V, Celandroni F, Lupetti A, Batoni G, Ghelardi E. Anti-Staphylococcal Biofilm Effects of a Liposome-Based Formulation Containing Citrus Polyphenols. Antibiotics (Basel) 2024; 13:318. [PMID: 38666994 PMCID: PMC11047357 DOI: 10.3390/antibiotics13040318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 03/26/2024] [Accepted: 03/29/2024] [Indexed: 04/29/2024] Open
Abstract
Biofilms are surface-associated microbial communities embedded in a matrix that is almost impenetrable to antibiotics, thus constituting a critical health threat. Biofilm formation on the cornea or ocular devices can lead to serious and difficult-to-treat infections. Nowadays, natural molecules with antimicrobial activity and liposome-based delivery systems are proposed as anti-biofilm candidates. In this study, the anti-biofilm activity of a formulation containing citrus polyphenols encapsulated in liposomes was evaluated against Staphylococcus aureus and Staphylococcus epidermidis, the most common agents in ocular infections. The formulation activity against planktonic staphylococci was tested by broth microdilution and sub-inhibitory concentrations were used to evaluate the effect on biofilm formation using the crystal violet (CV) assay. The eradicating effect of the preparation on mature biofilms was investigated by the CV assay, plate count, and confocal laser scanning microscopy. The product was bactericidal against staphylococci at a dilution of 1:2 or 1:4 and able to reduce biofilm formation even if diluted at 1:64. The formulation also had the ability to reduce the biomass of mature biofilms without affecting the number of cells, suggesting activity on the extracellular matrix. Overall, our results support the application of the used liposome-encapsulated polyphenols as an anti-biofilm strategy to counter biofilm-associated ocular infections.
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Affiliation(s)
| | | | | | | | | | | | | | - Emilia Ghelardi
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Via San Zeno 37, 56123 Pisa, Italy; (D.M.); (M.M.); (M.C.); (V.R.); (F.C.); (A.L.); (G.B.)
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Kubicka-Trząska A, Bugara D, Żuber-Łaskawiec K, Pociej-Marciak W, Markiewicz A, Romanowska-Dixon B, Karska-Basta I. Use of Optical Coherence Tomography and Optical Coherence Tomography Angiography in the Diagnosis and Follow-Up of Endogenous Candida Endophthalmitis: A Case Report. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:207. [PMID: 38399495 PMCID: PMC10890289 DOI: 10.3390/medicina60020207] [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: 12/03/2023] [Revised: 01/18/2024] [Accepted: 01/23/2024] [Indexed: 02/25/2024]
Abstract
Background: Endogenous Candida endophthalmitis (ECE) is a rare but sight-threatening disease. Patients with ECE present with various clinical signs and symptoms, which can complicate the diagnosis. The aim of this report was to demonstrate the outcomes of treatment and to diagnose macular complications caused by intraocular inflammation. Case presentation: A 41-year-old woman with a history of acute intermittent porphyria presented with a progressive vision loss in her left eye. Left-eye OCT revealed findings consistent with a fungal etiology, which was confirmed by the culture of swabs collected from a central vein catheter. The outcomes of intravenous fluconazole treatment were not satisfactory, and the patient developed recurrent attacks of porphyria, suggesting a porphyrogenic effect of systemic antifungal therapy. Repeated intravitreal injections with amphotericin B led to a gradual regression of inflammatory lesions. However, follow-up examinations revealed active macular neovascularization (MNV) on both OCT and OCTA scans. The patient was administered intravitreal bevacizumab. At the 11th month of follow-up, OCT and OCTA scans showed significant inflammatory lesions regression with macula scarring, and no MNV activity was detected. Conclusions: This case highlights the importance of OCT and OCTA as valuable noninvasive imaging techniques for the identification of ECE, the monitoring of its clinical course, and the diagnosis of macular complications.
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Affiliation(s)
- Agnieszka Kubicka-Trząska
- Department of Ophthalmology, Faculty of Medicine, Medical College, Jagiellonian University, ul. Kopernika 38, 31-501 Krakow, Poland; (D.B.); (K.Ż.-Ł.); (W.P.-M.); (A.M.); (B.R.-D.); (I.K.-B.)
- Clinic of Ophthalmology and Ocular Oncology, University Hospital, ul. Kopernika 38, 31-501 Krakow, Poland
| | - Dawid Bugara
- Department of Ophthalmology, Faculty of Medicine, Medical College, Jagiellonian University, ul. Kopernika 38, 31-501 Krakow, Poland; (D.B.); (K.Ż.-Ł.); (W.P.-M.); (A.M.); (B.R.-D.); (I.K.-B.)
| | - Katarzyna Żuber-Łaskawiec
- Department of Ophthalmology, Faculty of Medicine, Medical College, Jagiellonian University, ul. Kopernika 38, 31-501 Krakow, Poland; (D.B.); (K.Ż.-Ł.); (W.P.-M.); (A.M.); (B.R.-D.); (I.K.-B.)
- Clinic of Ophthalmology and Ocular Oncology, University Hospital, ul. Kopernika 38, 31-501 Krakow, Poland
| | - Weronika Pociej-Marciak
- Department of Ophthalmology, Faculty of Medicine, Medical College, Jagiellonian University, ul. Kopernika 38, 31-501 Krakow, Poland; (D.B.); (K.Ż.-Ł.); (W.P.-M.); (A.M.); (B.R.-D.); (I.K.-B.)
- Clinic of Ophthalmology and Ocular Oncology, University Hospital, ul. Kopernika 38, 31-501 Krakow, Poland
| | - Anna Markiewicz
- Department of Ophthalmology, Faculty of Medicine, Medical College, Jagiellonian University, ul. Kopernika 38, 31-501 Krakow, Poland; (D.B.); (K.Ż.-Ł.); (W.P.-M.); (A.M.); (B.R.-D.); (I.K.-B.)
- Clinic of Ophthalmology and Ocular Oncology, University Hospital, ul. Kopernika 38, 31-501 Krakow, Poland
| | - Bożena Romanowska-Dixon
- Department of Ophthalmology, Faculty of Medicine, Medical College, Jagiellonian University, ul. Kopernika 38, 31-501 Krakow, Poland; (D.B.); (K.Ż.-Ł.); (W.P.-M.); (A.M.); (B.R.-D.); (I.K.-B.)
- Clinic of Ophthalmology and Ocular Oncology, University Hospital, ul. Kopernika 38, 31-501 Krakow, Poland
| | - Izabella Karska-Basta
- Department of Ophthalmology, Faculty of Medicine, Medical College, Jagiellonian University, ul. Kopernika 38, 31-501 Krakow, Poland; (D.B.); (K.Ż.-Ł.); (W.P.-M.); (A.M.); (B.R.-D.); (I.K.-B.)
- Clinic of Ophthalmology and Ocular Oncology, University Hospital, ul. Kopernika 38, 31-501 Krakow, Poland
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Rakhmetova A, Yi Z, Sarmout M, Koole LH. Sustained Release of Voriconazole Using 3D-Crosslinked Hydrogel Rings and Rods for Use in Corneal Drug Delivery. Gels 2023; 9:933. [PMID: 38131919 PMCID: PMC10742393 DOI: 10.3390/gels9120933] [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: 10/06/2023] [Revised: 10/27/2023] [Accepted: 11/07/2023] [Indexed: 12/23/2023] Open
Abstract
Corneal disorders and diseases are prevalent in the field of clinical ophthalmology. Fungal keratitis, one of the major factors leading to visual impairment and blindness worldwide, presents significant challenges for traditional topical eye drop treatments. The objective of this study was to create biocompatible 3D-crosslinked hydrogels for drug delivery to the cornea, intending to enhance the bioavailability of ophthalmic drugs. Firstly, a series of flexible and porous hydrogels were synthesized (free-radical polymerization), characterized, and evaluated. The materials were prepared by the free-radical polymerization reaction of 1-vinyl-2-pyrrolidinone (also known as N-vinylpyrrolidone or NVP) and 1,6-hexanediol dimethacrylate (crosslinker) in the presence of polyethylene glycol 1000 (PEG-1000) as the porogen. After the physicochemical characterization of these materials, the chosen hydrogel demonstrated outstanding cytocompatibility in vitro. Subsequently, the selected porous hydrogels could be loaded with voriconazole, an antifungal medication. The procedure was adapted to realize a loading of 175 mg voriconazole per ring, which slightly exceeds the amount of voriconazole that is instilled into the eye via drop therapy (a single eye drop corresponds with approximately 100 mg voriconazole). The voriconazole-loaded rings exhibited a stable zero-order release pattern over the first two hours, which points to a significantly improved bioavailability of the drug. Ex vivo experiments using the established porcine eye model provided confirmation of a 10-fold increase in drug penetration into the cornea (after 2 h of application of the hydrogel ring, 35.8 ± 3.2% of the original dose is retrieved from the cornea, which compares with 3.9 ± 1% of the original dose in the case of eye drop therapy). These innovative hydrogel rods and rings show great potential for improving the bioavailability of ophthalmic drugs, which could potentially lead to reduced hospitalization durations and treatment expenses.
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Affiliation(s)
| | | | | | - Leo H. Koole
- National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China; (A.R.); (Z.Y.); (M.S.)
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Visioli G, Zeppieri M, Iannucci V, Manni P, Albanese GM, Salati C, Spadea L, Pirraglia MP. From Bedside to Diagnosis: The Role of Ocular Fundus in Systemic Infections. J Clin Med 2023; 12:7216. [PMID: 38068267 PMCID: PMC10707096 DOI: 10.3390/jcm12237216] [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: 10/17/2023] [Revised: 11/15/2023] [Accepted: 11/19/2023] [Indexed: 01/23/2024] Open
Abstract
In this comprehensive review, we delve into the significance of the ocular fundus examination in diagnosing and managing systemic infections at the bedside. While the utilization of advanced ophthalmological diagnostic technologies can present challenges in bedside care, especially for hospitalized patients confined to their beds or during infection outbreaks, the ocular fundus examination often emerges as an essential, and sometimes the only practical, diagnostic tool. Recent discussions have highlighted that the role of an ocular fundus examination might not always be advocated as a routine diagnostic procedure. With this context, we introduce a decision tree tailored for assessing the ocular fundus in inpatients with systemic infections. We also present an overview of systemic infections that impact the eye and elucidate key signs detectable through a bedside ocular fundus examination. Targeted primarily at non-ophthalmology clinicians, this review seeks to offer a comprehensive insight into a multifaceted approach and the enhancement of patient clinical outcomes.
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Affiliation(s)
- Giacomo Visioli
- Department of Sense Organs, Sapienza University of Rome, Viale del Policlinico 155, 00161 Rome, Italy; (G.V.)
| | - Marco Zeppieri
- Department of Ophthalmology, University Hospital of Udine, 33100 Udine, Italy
| | - Valeria Iannucci
- Department of Sense Organs, Sapienza University of Rome, Viale del Policlinico 155, 00161 Rome, Italy; (G.V.)
| | - Priscilla Manni
- Department of Sense Organs, Sapienza University of Rome, Viale del Policlinico 155, 00161 Rome, Italy; (G.V.)
| | - Giuseppe Maria Albanese
- Department of Sense Organs, Sapienza University of Rome, Viale del Policlinico 155, 00161 Rome, Italy; (G.V.)
| | - Carlo Salati
- Department of Ophthalmology, University Hospital of Udine, 33100 Udine, Italy
| | - Leopoldo Spadea
- Department of Sense Organs, Sapienza University of Rome, Viale del Policlinico 155, 00161 Rome, Italy; (G.V.)
- Eye Clinic, Policlinico Umberto I University Hospital, 00161 Rome, Italy
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Demarinis G, Tatti F, Taloni A, Giugliano AV, Panthagani J, Myerscough J, Peiretti E, Giannaccare G. Treatments for Ocular Diseases in Pregnancy and Breastfeeding: A Narrative Review. Pharmaceuticals (Basel) 2023; 16:1433. [PMID: 37895903 PMCID: PMC10610321 DOI: 10.3390/ph16101433] [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: 07/30/2023] [Revised: 09/30/2023] [Accepted: 10/02/2023] [Indexed: 10/29/2023] Open
Abstract
Pregnancy is a medical condition in which the physiological changes in the maternal body and the potential impact on the developing fetus require a cautious approach in terms of drug administration. Individual treatment, a thorough assessment of the extent of the disease, and a broad knowledge of the therapeutic options and different routes of administration of ophthalmic drugs are essential to ensure the best possible results while minimizing risks. Although there are currently several routes of administration of drugs for the treatment of eye diseases, even with topical administration, there is a certain amount of systemic absorption that must be taken into account. Despite continuous developments and advances in ophthalmic drugs, no updated data are available on their safety profile in these contexts. The purpose of this review is both to summarize the current information on the safety of ophthalmic treatments during pregnancy and lactation and to provide a practical guide to the ophthalmologist for the treatment of eye diseases while minimizing harm to the developing fetus and addressing maternal health needs.
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Affiliation(s)
- Giuseppe Demarinis
- Department of Surgical Sciences, Eye Clinic, University of Cagliari, Via Ospedale 48, 09124 Cagliari, Italy; (G.D.); (F.T.); (E.P.)
| | - Filippo Tatti
- Department of Surgical Sciences, Eye Clinic, University of Cagliari, Via Ospedale 48, 09124 Cagliari, Italy; (G.D.); (F.T.); (E.P.)
| | - Andrea Taloni
- Department of Ophthalmology, University ‘Magna Græcia’ of Catanzaro, Viale Europa, 88100 Catanzaro, Italy;
| | | | - Jesse Panthagani
- Department of Ophthalmology, Southend University Hospital, Southend-on-Sea SS0 0RY, UK; (J.P.); (J.M.)
| | - James Myerscough
- Department of Ophthalmology, Southend University Hospital, Southend-on-Sea SS0 0RY, UK; (J.P.); (J.M.)
| | - Enrico Peiretti
- Department of Surgical Sciences, Eye Clinic, University of Cagliari, Via Ospedale 48, 09124 Cagliari, Italy; (G.D.); (F.T.); (E.P.)
| | - Giuseppe Giannaccare
- Department of Surgical Sciences, Eye Clinic, University of Cagliari, Via Ospedale 48, 09124 Cagliari, Italy; (G.D.); (F.T.); (E.P.)
- Department of Ophthalmology, University ‘Magna Græcia’ of Catanzaro, Viale Europa, 88100 Catanzaro, Italy;
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Petrillo F, Sinoca M, Fea AM, Galdiero M, Maione A, Galdiero E, Guida M, Reibaldi M. Candida Biofilm Eye Infection: Main Aspects and Advance in Novel Agents as Potential Source of Treatment. Antibiotics (Basel) 2023; 12:1277. [PMID: 37627697 PMCID: PMC10451181 DOI: 10.3390/antibiotics12081277] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 07/31/2023] [Accepted: 07/31/2023] [Indexed: 08/27/2023] Open
Abstract
Fungi represent a very important cause of microbial eye infections, especially in tropical and developing countries, as they could cause sight-threating disease, such as keratitis and ocular candidiasis, resulting in irreversible vision loss. Candida species are among the most frequent microorganisms associated with fungal infection. Although Candida albicans is still the most frequently detected organism among Candida subspecies, an important increase in non-albicans species has been reported. Mycotic infections often represent an important diagnostic-clinical problem due to the difficulties in performing the diagnosis and a therapeutic problem due to the limited availability of commercial drugs and the difficult penetration of antifungals into ocular tissues. The ability to form biofilms is another feature that makes Candida a dangerous pathogen. In this review, a summary of the state-of-the-art panorama about candida ocular pathology, diagnosis, and treatment has been conducted. Moreover, we also focused on new prospective natural compounds, including nanoparticles, micelles, and nanocarriers, as promising drug delivery systems to better cure ocular fungal and biofilm-related infections. The effect of the drug combination has also been examined from the perspective of increasing efficacy and improving the course of infections caused by Candida which are difficult to fight.
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Affiliation(s)
- Francesco Petrillo
- Department of Medical Sciences, Eye Clinic, Turin University, 10126 Turin, Italy; (F.P.); (A.M.F.); (M.R.)
| | - Marica Sinoca
- Department of Biology, University of Naples ‘Federico II’, Via Cinthia, 80126 Naples, Italy; (M.S.); (A.M.); (M.G.)
| | - Antonio Maria Fea
- Department of Medical Sciences, Eye Clinic, Turin University, 10126 Turin, Italy; (F.P.); (A.M.F.); (M.R.)
| | - Marilena Galdiero
- Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 81100 Naples, Italy;
| | - Angela Maione
- Department of Biology, University of Naples ‘Federico II’, Via Cinthia, 80126 Naples, Italy; (M.S.); (A.M.); (M.G.)
| | - Emilia Galdiero
- Department of Biology, University of Naples ‘Federico II’, Via Cinthia, 80126 Naples, Italy; (M.S.); (A.M.); (M.G.)
- NBFC—National Biodiversity Future Center, 90133 Palermo, Italy
| | - Marco Guida
- Department of Biology, University of Naples ‘Federico II’, Via Cinthia, 80126 Naples, Italy; (M.S.); (A.M.); (M.G.)
- NBFC—National Biodiversity Future Center, 90133 Palermo, Italy
- Center for Studies on Bioinspired Agro-Environmental Technology (BAT Center), 80055 Portici, Italy
| | - Michele Reibaldi
- Department of Medical Sciences, Eye Clinic, Turin University, 10126 Turin, Italy; (F.P.); (A.M.F.); (M.R.)
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