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Sathiyamoorthy J, Rathore SS, Mohan S, Uma Maheshwari C, Ramakrishnan J. Elucidation of furanone as ergosterol pathway inhibitor in Cryptococcus neoformans. J Biomol Struct Dyn 2024; 42:6013-6026. [PMID: 37403490 DOI: 10.1080/07391102.2023.2230301] [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: 03/31/2023] [Accepted: 06/21/2023] [Indexed: 07/06/2023]
Abstract
In the era of antiretroviral therapy, the prevalence of Cryptococcal infection among HIV patients in developed countries has decreased considerably. However, C. neoformans ranks top among the critical priority pathogen that affects a wide range of immunocompromised individuals. The threat of C. neoformans is because of its incredibly multifaceted intracellular survival capabilities. Cell membrane sterols especially ergosterol and enzymes of its biosynthetic pathway are considered fascinating drug targets because of their structural stability. In this study, the ergosterol biosynthetic enzymes were modeled and docked with furanone derivatives. Among the tested ligands Compound 6 has shown a potential interaction with Lanosterol 14 α-demethylase. This best-docked protein-ligand complex was taken further to molecular dynamics simulation. In addition, Compound 6 was synthesized and an in vitro study was conducted to quantify the ergosterol in Compound 6 treated cells. Altogether the computational and in vitro study demonstrates that Compound 6 has anticryptococcal activity by targeting the biosynthetic pathway of ergosterol.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Jananishree Sathiyamoorthy
- Actinomycetes Bioprospecting Lab, Centre for Research in Infectious Diseases (CRID), School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, Tamil Nadu, India
| | | | - Suma Mohan
- Computational Biology Lab, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, Tamil Nadu, India
| | - C Uma Maheshwari
- Organic Synthesis Lab, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, Tamil Nadu, India
| | - Jayapradha Ramakrishnan
- Actinomycetes Bioprospecting Lab, Centre for Research in Infectious Diseases (CRID), School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, Tamil Nadu, India
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Abers MS, Vo P, Allgäuer M, Manion M, Butman JA, Bishop RJ, Zelazny AM, Childs RW, Lionakis MS. A multidisciplinary approach to mucormycosis. J Infect 2024; 89:106214. [PMID: 38955247 DOI: 10.1016/j.jinf.2024.106214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Accepted: 06/21/2024] [Indexed: 07/04/2024]
Affiliation(s)
- Michael S Abers
- Fungal Pathogenesis Section, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Bethesda, MD USA
| | - Phuong Vo
- Laboratory of Transplantation Immunotherapy, Cellular and Molecular Therapeutics Branch, National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD, USA
| | - Michael Allgäuer
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, MD, USA
| | | | - John A Butman
- Radiology and Imaging Sciences, NIH Clinical Center, NIH, Bethesda, Maryland, USA
| | | | - Adrian M Zelazny
- Department of Laboratory Medicine, NIH Clinical Center, NIH, Bethesda, MD, USA
| | - Richard W Childs
- Laboratory of Transplantation Immunotherapy, Cellular and Molecular Therapeutics Branch, National Heart, Lung, and Blood Institute (NHLBI), NIH, Bethesda, MD, USA
| | - Michail S Lionakis
- Fungal Pathogenesis Section, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Bethesda, MD USA.
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3
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Chen X, Zhi H, Wang X, Zhou Z, Luo H, Li J, Sehmi R, O'Byrne PM, Chen R. Efficacy of Biologics in Patients with Allergic Bronchopulmonary Aspergillosis: A Systematic Review and Meta-Analysis. Lung 2024; 202:367-383. [PMID: 38898129 DOI: 10.1007/s00408-024-00717-y] [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: 04/01/2024] [Accepted: 06/07/2024] [Indexed: 06/21/2024]
Abstract
BACKGROUND Treatment of allergic bronchopulmonary aspergillosis (ABPA) is challenging. Biological therapies have been reported as adjunctive treatments for ABPA, primarily in case series or case reports. This study aimed to analyze the efficacy of biologics for managing ABPA both qualitatively and quantitatively. METHODS All articles on APBA published in October 2023 were searched in PubMed, Web of Science, ClinicalTrials.gov, and Embase databases. The effects of interest were the mean changes from baseline for outcomes, including exacerbation rates, oral corticosteroids usage (OCS), and total immunoglobulin E (IgE) levels. Reported outcomes were quantitatively synthesized by usual or individual patient data (IPD) meta-analyses. PROSPERO registration number: CRD42022373396. RESULTS A total of 86 studies were included in the systematic review including 346 patients. Sixteen studies on omalizumab were pooled for the usual meta-analysis. Omalizumab therapy significantly reduced exacerbation rates (- 2.29 [95%CI - 3.32, - 1.26]), OCS dosage (- 10.91 mg [95%CI - 18.98, - 2.85]), and total IgE levels (- 273.07 IU/mL [95%CI - 379.30, - 166.84]), meanwhile improving FEV1% predicted (10.09% [95%CI 6.62, 13.55]). Thirty-one studies on dupilumab, mepolizumab, or benralizumab were pooled to perform an IPD meta-analysis, retrospectively. Both dupilumab and mepolizumab significantly reduced exacerbation rates, OCS, and total IgE levels. Benralizumab showed a similar trend, but it was not statistically significant. Tezepelumab showed weak evidence of its effects on ABPA. All five biologics led to milder clinical symptoms (e.g., cough, wheezing) with serious adverse effects that happened once in omalizumab treatment. CONCLUSION These results indicate the clinical benefit of omalizumab, dupilumab, and mepolizumab in patients with ABPA. Further randomized, controlled studies with a larger sample size and longer follow-up are needed to confirm these findings.
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Affiliation(s)
- Xiaoying Chen
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Department of Allergy and Clinical Immunology, Joint International Research Laboratory of Respiratory Health, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Haopeng Zhi
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Department of Allergy and Clinical Immunology, Joint International Research Laboratory of Respiratory Health, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Xiaohu Wang
- Department of Respiratory and Critical Care Medicine, People's Hospital of Yangjiang, Yangjiang, Guangdong, China
| | - Zicong Zhou
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Department of Allergy and Clinical Immunology, Joint International Research Laboratory of Respiratory Health, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Huiting Luo
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Department of Allergy and Clinical Immunology, Joint International Research Laboratory of Respiratory Health, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Jing Li
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Department of Allergy and Clinical Immunology, Joint International Research Laboratory of Respiratory Health, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, People's Republic of China
| | - Roma Sehmi
- Department of Medicine, Firestone Institute for Respiratory Health, St. Joseph's Healthcare and McMaster University, Hamilton, ON, Canada
| | - Paul M O'Byrne
- Department of Medicine, Firestone Institute for Respiratory Health, St. Joseph's Healthcare and McMaster University, Hamilton, ON, Canada
| | - Ruchong Chen
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, National Center for Respiratory Medicine, Department of Allergy and Clinical Immunology, Joint International Research Laboratory of Respiratory Health, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, People's Republic of China.
- Guangzhou National Lab, Guangzhou, People's Republic of China.
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Fernandes L, Barco-Tejada A, Blázquez E, Araújo D, Ribeiro A, Silva S, Cussó L, Costa-de-Oliveira S, Rodrigues ME, Henriques M. Development and Evaluation of Microencapsulated Oregano Essential Oil as an Alternative Treatment for Candida albicans Infections. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 39067028 DOI: 10.1021/acsami.4c07413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Vulvovaginal candidiasis (VVC) is characterized as a very common fungal infection that significantly affects women's health worldwide. Essential oils (EOs) are currently being evaluated as an alternative therapy. The development of efficient techniques such as micro- or nanoencapsulation for protecting and controlling release is essential to overcome the limitations of EO applications. Therefore, the aim of this study was to develop and characterize oregano EO-loaded keratin microparticles (OEO-KMPs) as a potential treatment for VVC. OEO-KMPs were produced using high-intensity ultrasonic cycles and characterized in terms of morphological and physicochemical parameters. In vitro evaluation included assessing the toxicity of the OEO-KMPs and their effect against Candida albicans using microdilution and agar diffusion, while the activity against biofilm was quantified using colony forming units (CFU). The efficacy of the OEO-KMPs in an in vivo VVC mouse model was also studied. Female BALB/c mice were intravaginally infected with C. albicans, 24 h postinfection animals were treated intravaginally with 15 μL of OEO-KMPs and 24 h later vaginal fluid was analyzed for C. albicans and Lactobacillus growth (CFU mL-1). The results showed the stability of the OEO-KMPs over time, with high encapsulation efficiency and controlled release. This nanoparticle size facilitated penetration and completely inhibited the planktonic growth of C. albicans. In addition, an in vitro application of 2.5% of the OEO-KMPs eradicated mature C. albicans biofilms while preserving Lactobacillus species. In in vivo, a single intravaginal application of OEO-KMPs induced a reduction in C. albicans growth, while maintaining Lactobacillus species. In conclusion, this therapeutic approach with OEO-KMPs is promising as a potential alternative or complementary therapy for VVC while preserving vaginal microflora.
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Affiliation(s)
- Liliana Fernandes
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Ainara Barco-Tejada
- Departamento de Bioingeniería, Universidad Carlos III de Madrid, 126, 28903 Getafe, Madrid, Spain
- Unidad de Medicina y Cirugía Experimenta, Instituto de Investigación Sanitaria Gregorio Marañón, 28029 Madrid, Spain
| | - Elena Blázquez
- Departamento de Bioingeniería, Universidad Carlos III de Madrid, 126, 28903 Getafe, Madrid, Spain
- Unidad de Medicina y Cirugía Experimenta, Instituto de Investigación Sanitaria Gregorio Marañón, 28029 Madrid, Spain
| | - Daniela Araújo
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- National Institute for Agrarian and Veterinary Research, Vairão, 4485-655 Vila do Conde, Portugal
- LABBELS - Associate Laboratory, 4710-057 Braga, Portugal
| | - Artur Ribeiro
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- LABBELS - Associate Laboratory, 4710-057 Braga, Portugal
| | - Sónia Silva
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- National Institute for Agrarian and Veterinary Research, Vairão, 4485-655 Vila do Conde, Portugal
- LABBELS - Associate Laboratory, 4710-057 Braga, Portugal
| | - Lorena Cussó
- Departamento de Bioingeniería, Universidad Carlos III de Madrid, 126, 28903 Getafe, Madrid, Spain
- Advanced Imaging Unit, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), 28029 Madrid, Spain
- CIBER de Salud Mental, Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Sofia Costa-de-Oliveira
- Division of Microbiology, Department of Pathology, and Center for Health Technology and Services Research - CINTESIS@RISE, Faculty of Medicine, University of Porto, 4200-450 Porto, Portugal
| | - M Elisa Rodrigues
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- LABBELS - Associate Laboratory, 4710-057 Braga, Portugal
| | - Mariana Henriques
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- LABBELS - Associate Laboratory, 4710-057 Braga, Portugal
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5
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Chong AC, Navarro-Triviño FJ, Su M, Park CO. Fungal Head and Neck Dermatitis: Current Understanding and Management. Clin Rev Allergy Immunol 2024:10.1007/s12016-024-09000-7. [PMID: 39031274 DOI: 10.1007/s12016-024-09000-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/11/2024] [Indexed: 07/22/2024]
Abstract
Head and neck dermatitis (HND) is a form of atopic dermatitis (AD) that affects the seborrheic areas of the body and causes greater quality of life detriments than other types of AD. HND can be challenging to treat since first-line topical therapies may be ineffective or intolerable for long-term use on areas affected by HND while dupilumab may cause dupilumab-associated HND (DAHND). Current evidence implicates fungi, particularly Malassezia spp., in the pathogenesis of HND. Penetration of fungal antigens through the defective AD skin barrier activates the innate and adaptive immune systems to cause cutaneous inflammation via the T helper (Th)17 and/or Th2 axes. Malassezia sensitization may distinguish HND from other forms of AD. Multiple double-blind, placebo-controlled trials have shown antifungals to benefit HND, yet the persistence of symptom relief with sustained use remains unclear. Oral antifungals appear more effective than topical antifungals but may be harmful with long-term use. DAHND may also be fungal-mediated given improvement with antifungals and evidence of an overactive immune response against Malassezia in these patients. Janus kinase inhibitors are effective for HND, including DAHND, but may cause significant side effects when administered systemically. OX40/OX40L inhibitors and tralokinumab may be promising options for HND on the horizon. Demographic and environmental factors influence the host mycobiome and should be considered in future precision-medicine approaches as microbiome composition and diversity are linked to severity of HND.
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Affiliation(s)
- Albert C Chong
- Department of Internal Medicine, Mayo Clinic Arizona, 13400 E Shea Blvd., Scottsdale, AZ, 85259, USA.
- Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
| | - Francisco José Navarro-Triviño
- Department of Contact Eczema and Immunoallergic Diseases, Dermatology Service, Hospital Universitario San Cecilio, Granada, Spain
| | - Malcolm Su
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Chang Ook Park
- Department of Dermatology & Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, South Korea
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6
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Adisuri DS, Madhavan P, Chong PP, Nathan S. Antifungal Activity of Piperine-based Nanoemulsion Against Candida spp. via In Vitro Broth Microdilution Assay. J Pharm Sci 2024:S0022-3549(24)00244-2. [PMID: 39004416 DOI: 10.1016/j.xphs.2024.06.024] [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: 12/02/2023] [Revised: 06/27/2024] [Accepted: 06/27/2024] [Indexed: 07/16/2024]
Abstract
Candidemia leaves a trail of approximately 750,000 cases yearly, with a morbidity rate of up to 30%. While Candida albicans still ranks as the most predominantly isolated Candida species, C. glabrata comes in second, with a death rate of 40-50%. Although infections by Candida spp are commonly treated with azoles, the side effects and rise in resistance against it has significantly limited its clinical usage. The current study aims to address the insolubility of piperine and provide an alternative treatment to Candida infection by formulating a stable piperine-loaded O/W nanoemulsion, comprised of Cremophor RH40, Transcutol HP and Capryol 90 as surfactant, co-surfactant, and oil, respectively. Characterization with zetasizer showed the droplet size, polydispersity (PDI) and zetapotential value of the nanoemulsion to be 24.37 nm, 0.453 and -21.10 mV, respectively, with no observable physical changes such as phase separation from thermostability tests. FTIR peaks confirms presence of piperine within the nanoemulsion and TEM imaging visualized the droplet shape and further confirms the droplet size range of 20-24 nm. The MIC90 value of the piperine-loaded nanoemulsion determined with in vitro broth microdilution assay was approximately 20-50% lower than that of the pure piperine in DMSO, at a range of 0.8-2.0 mg/mL across all Candida spp. tested. Overall, the study showed that piperine can be formulated into a stable nanoemulsion, which significantly enhances its antifungal activity compared to piperine in DMSO.
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Affiliation(s)
- Diajeng Sekar Adisuri
- School of Medicine, Taylor's University Lakeside Campus, Subang Jaya 47500, Malaysia; Digital Health and Medical Advancement Impact Lab, Taylor's University, No.1, Jalan Taylor's. Subang Jaya, 47500 Selangor, Malaysia
| | - Priya Madhavan
- School of Medicine, Taylor's University Lakeside Campus, Subang Jaya 47500, Malaysia; Digital Health and Medical Advancement Impact Lab, Taylor's University, No.1, Jalan Taylor's. Subang Jaya, 47500 Selangor, Malaysia.
| | - Pei Pei Chong
- School of Biosciences, Taylor's University Lakeside Campus, 47500 Subang Jaya, Malaysia; Digital Health and Medical Advancement Impact Lab, Taylor's University, No.1, Jalan Taylor's. Subang Jaya, 47500 Selangor, Malaysia
| | - Sheila Nathan
- School of Biosciences and Biotechnology, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
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Zhen C, Wang L, Feng Y, Whiteway M, Hang S, Yu J, Lu H, Jiang Y. Otilonium Bromide Exhibits Potent Antifungal Effects by Blocking Ergosterol Plasma Membrane Localization and Triggering Cytotoxic Autophagy in Candida Albicans. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2406473. [PMID: 38995235 DOI: 10.1002/advs.202406473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Indexed: 07/13/2024]
Abstract
Candidiasis, which presents a substantial risk to human well-being, is frequently treated with azoles. However, drug-drug interactions caused by azoles inhibiting the human CYP3A4 enzyme, together with increasing resistance of Candida species to azoles, represent serious issues with this class of drug, making it imperative to develop innovative antifungal drugs to tackle this growing clinical challenge. A drug repurposing approach is used to examine a library of Food and Drug Administration (FDA)-approved drugs, ultimately identifying otilonium bromide (OTB) as an exceptionally encouraging antifungal agent. Mechanistically, OTB impairs vesicle-mediated trafficking by targeting Sec31, thereby impeding the plasma membrane (PM) localization of the ergosterol transporters, such as Sip3. Consequently, OTB obstructs the movement of ergosterol across membranes and triggers cytotoxic autophagy. It is noteworthy that C. albicans encounters challenges in developing resistance to OTB because it is not a substrate for drug transporters. This study opens a new door for antifungal therapy, wherein OTB disrupts ergosterol subcellular distribution and induces cytotoxic autophagy. Additionally, it circumvents the hepatotoxicity associated with azole-mediated liver enzyme inhibition and avoids export-mediated drug resistance in C. albicans.
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Affiliation(s)
- Cheng Zhen
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No.1239 Siping Road, Shanghai, 200092, China
| | - Li Wang
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No.1239 Siping Road, Shanghai, 200092, China
| | - Yanru Feng
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No.1239 Siping Road, Shanghai, 200092, China
| | - Malcolm Whiteway
- Department of Biology, Concordia University, Montreal, QC, H4B 1R6, Canada
| | - Sijin Hang
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No.1239 Siping Road, Shanghai, 200092, China
| | - Jinhua Yu
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No.1239 Siping Road, Shanghai, 200092, China
| | - Hui Lu
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No.1239 Siping Road, Shanghai, 200092, China
| | - Yuanying Jiang
- Department of Pharmacy, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, No.1239 Siping Road, Shanghai, 200092, China
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Precali A, Roncevic P, Kraljevic I. Posaconazole-induced primary adrenal insufficiency: A rare but real risk. ANNALES D'ENDOCRINOLOGIE 2024; 85:319-322. [PMID: 38242202 DOI: 10.1016/j.ando.2024.01.004] [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: 11/25/2023] [Revised: 01/05/2024] [Accepted: 01/08/2024] [Indexed: 01/21/2024]
Abstract
Primary adrenal insufficiency (PAI) consists in a lack of adrenal hormones, and particularly of cortisol and aldosterone. It typically presents with fatigue, weakness, loss of appetite, increased thirst and skin hyperpigmentation. While most cases stem from an autoimmune etiology, rare instances of PAI have been attributed to infection, adrenal hemorrhage and medication disrupting steroidogenesis pathways. This report presents two patients with hematologic malignancies who developed primary glucocorticoid deficiency due to posaconazole. Both received allogeneic stem-cell transplantation and used posaconazole as antifungal prophylaxis. Both patients had low morning cortisol and elevated ACTH levels, which suggested primary adrenal insufficiency. Posaconazole, widely used for antifungal prophylaxis and long-term therapy, undoubtedly affects adrenal steroid synthesis. Thus, healthcare providers must be aware of that posaconazole may cause adrenal insufficiency, and should monitor patients taking this medication.
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Affiliation(s)
- Antonia Precali
- School of Medicine, University of Zagreb, Šalata 2, 10000 Zagreb, Croatia.
| | - Pavle Roncevic
- Division of Hematology, University Hospital Centre Zagreb, Kišpatićeva St 12, 10000 Zagreb, Croatia
| | - Ivana Kraljevic
- School of Medicine, University of Zagreb, Šalata 2, 10000 Zagreb, Croatia; Division of Endocrinology, University Hospital Centre Zagreb, Zagreb, Croatia
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9
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Cañizares-Cooz D, Rojo-Solís C, Rubio-Langre S, García-Párraga D, Encinas T, Morón-Elorza P. Updates on antifungal pharmacotherapy in elasmobranchs: pharmacokinetics of 4 mg/kg voriconazole after IM and IV administration in undulate skates ( Raja undulata) maintained under human care. Front Vet Sci 2024; 11:1376851. [PMID: 38903684 PMCID: PMC11186998 DOI: 10.3389/fvets.2024.1376851] [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: 01/26/2024] [Accepted: 05/27/2024] [Indexed: 06/22/2024] Open
Abstract
Introduction Fungal diseases are frequently associated with elevated mortality rates in elasmobranchs. Currently, there is a notable absence of scientifically validated therapeutic medications that can ensure both effectiveness and safety when administered to this group of animals. The empirical prescription of azole antifungal agents, particularly voriconazole, has been posited as a potentially efficacious treatment approach for addressing most common mycoses in sharks and rays. However, there are still no published pharmacokinetic studies supporting its use in elasmobranchs and there is a lack of scientific base for its utilization in elasmobranchs. Methods For this study, voriconazole was administered intravenously (IV) and intramuscularly (IM), at a single dose of 4 mg/kg to six adult undulate skates (Raja undulata). A washout period of 8 weeks was left between each route of administration. Blood samples were collected both before and at ten predetermined intervals after each dosing (0.25, 0.5, 1, 1.5, 2, 4, 8, 12, 24, and 36 h after drug administration). Plasma concentrations were quantified using a validated high-performance liquid chromatography method, and pharmacokinetic (PK) data was analyzed through non-compartmental methods. Results The mean extrapolated concentration at 0 h (C0) after IV administration was 27.19 ± 7.15 μg/mL and the mean peak plasma concentrations (Cmax) ± SEM after IM administration resulted 2.98 ± 0.28 μg/mL at a mean time to maximum concentration (T max) of 1.33 ± 0.17 h. Terminal half-lives were calculated and resulted 11.18 ± 1.32 h for IV injections and 9.59 ± 1.38 h for IM injections. The area under the curve extrapolated to infinity was determined as 58.14 ± 2.79 h·μg/ml following IV injections and 37.60 ± 6.67 h·μg/ml following IM injections. The IM-administered voriconazole exhibited a mean absolute bioavailability of 64.67 ± 11.47%. Discussion These discoveries provide backing for the possible application of voriconazole through the intramuscular route in undulate skates and support using lower dosage regimens compared to those required for oral administration, emphasizing the importance of conducting further pharmacokinetic studies with antifungals in elasmobranchs.
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Affiliation(s)
- Daniela Cañizares-Cooz
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, Madrid, Spain
| | - Carlos Rojo-Solís
- Veterinary Services, Oceanogràfic, Ciudad de las Artes y las Ciencias. C/ Eduardo Primo Yúfera (Científic) 1B, Valencia, Spain
| | - Sonia Rubio-Langre
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, Madrid, Spain
| | - Daniel García-Párraga
- Veterinary Services, Oceanogràfic, Ciudad de las Artes y las Ciencias. C/ Eduardo Primo Yúfera (Científic) 1B, Valencia, Spain
- Research Department, Fundación Oceanogràfic de la Comunitat Valenciana, Oceanogràfic, C/ Eduardo Primo Yúfera (Científic) 1B, Valencia, Spain
| | - Teresa Encinas
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, Madrid, Spain
| | - Pablo Morón-Elorza
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, Madrid, Spain
- Research Department, Fundación Oceanogràfic de la Comunitat Valenciana, Oceanogràfic, C/ Eduardo Primo Yúfera (Científic) 1B, Valencia, Spain
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10
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Gardiner BJ, Ivulich SP, Snell GI. Voriconazole inhalation powder: A novel therapeutic alternative for invasive pulmonary fungal infections. Transpl Infect Dis 2024; 26:e14264. [PMID: 38465782 DOI: 10.1111/tid.14264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Accepted: 02/20/2024] [Indexed: 03/12/2024]
Affiliation(s)
- Bradley J Gardiner
- Department of Infectious Disease, Alfred Health, Melbourne, Victoria, Australia
- School of Translational Medicine, Monash University, Melbourne, Victoria, Australia
| | - Steven P Ivulich
- School of Translational Medicine, Monash University, Melbourne, Victoria, Australia
- Lung Transplant Service, Alfred Health, Melbourne, Victoria, Australia
| | - Gregory I Snell
- School of Translational Medicine, Monash University, Melbourne, Victoria, Australia
- Lung Transplant Service, Alfred Health, Melbourne, Victoria, Australia
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Konsila K, Assavalapsakul W, Phuwapraisirisan P, Chanchao C. Anti- Malassezia globosa (MYA-4889, ATCC) activity of Thai propolis from the stingless bee Geniotrigona thoracica. Heliyon 2024; 10:e29421. [PMID: 38660263 PMCID: PMC11041017 DOI: 10.1016/j.heliyon.2024.e29421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 04/04/2024] [Accepted: 04/08/2024] [Indexed: 04/26/2024] Open
Abstract
Malassezia globosa, a lipophilic pathogen, is known to be involved in various chronic skin diseases. Unfortunately, the available treatments have unwanted side effects and microbial drug resistance is evolving. As the antimicrobial activity of propolis is outstanding, this study aimed to examine the potential of propolis from the stingless bee Geniotrigona thoracica against the yeast. Anti-M. globosa growth activity was ascertained in agar well diffusion and broth microdilution assays and the inhibitory concentration value at 50 % (IC50) was determined. Since the yeast cannot synthesize its own fatty acids, extracellular lipase is important for its survival. Here, anti-M. globosa extracellular lipase activity was additionally investigated by colorimetric and agar-based methods. Compared to the crude hexane and crude dichloromethane extracts, the crude methanol partitioned extract (CMPE) exhibited the best anti-M. globosa growth activity with an IC50 of 1.22 mg/mL. After CMPE was further enriched by silica gel column chromatography, fraction CMPE1 (IC50 of 0.98 mM or 184.93 μg/mL) presented the highest activity and was later identified as methyl gallate (MG) by nuclear magnetic resonance analysis. Subsequently, MG was successfully synthesized and shown to have a similar activity, and a minimal fungicidal concentration of 43.44 mM or 8.00 mg/mL. However, lipase assay analysis suggested that extracellular lipase might not be the main target mechanism of MG. This is the first report of MG as a new anti-Malassezia compound. It could be a good candidate for further developing alternative therapeutic agents.
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Affiliation(s)
- Kawisara Konsila
- Program in Biotechnology, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok, 10330, Thailand
| | - Wanchai Assavalapsakul
- Department of Microbiology, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok, 10330, Thailand
| | - Preecha Phuwapraisirisan
- Center of Excellence in Natural Products, Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok, 10330, Thailand
| | - Chanpen Chanchao
- Department of Biology, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Bangkok, 10330, Thailand
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12
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Spacova I, Allonsius CN, De Boeck I, Oerlemans E, Tuyaerts I, Van de Vliet N, van den Broek MFL, Jimenez L, Boyer M, Rodriguez B, Ballet N, Lebeer S. Multifactorial inhibition of Candida albicans by combinations of lactobacilli and probiotic Saccharomyces cerevisiae CNCM I-3856. Sci Rep 2024; 14:9365. [PMID: 38654026 DOI: 10.1038/s41598-024-59869-9] [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: 06/13/2023] [Accepted: 04/15/2024] [Indexed: 04/25/2024] Open
Abstract
Strategies against the opportunistic fungal pathogen Candida albicans based on probiotic microorganisms represent a promising alternative to traditional antifungals. Here, we investigated the effects of Lactobacillaceae isolates from fermented foods or the human vagina, alone or in combination with the probiotic yeast Saccharomyces cerevisiae CNCM I-3856, against C. albicans in vitro. Nine out of nineteen tested strains of Lactobacillaceae inhibited growth of C. albicans with inhibition zones of 1-3 mm in spot assays. Five out of nineteen lactobacilli tested as such or in combination with S. cerevisiae CNCM I-3856 also significantly inhibited C. albicans hyphae formation, including Limosilactobacillus fermentum LS4 and L. fermentum LS5 resulting in respectively 62% and 78% hyphae inhibition compared to the control. Thirteen of the tested nineteen lactobacilli aggregated with the yeast form of C. albicans, with Lactiplantibacillus carotarum AMBF275 showing the strongest aggregation. The aggregation was enhanced when lactobacilli were combined with S. cerevisiae CNCM I-3856. No significant antagonistic effects were observed between the tested lactobacilli and S. cerevisiae CNCM I-3856. The multifactorial activity of Lactobacillaceae strains alone or combined with the probiotic S. cerevisiae CNCM I-3856 against C. albicans without antagonistic effects between the beneficial strains, paves the way for developing consortium probiotics for in vivo applications.
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Affiliation(s)
- Irina Spacova
- Laboratory of Applied Microbiology and Biotechnology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Camille Nina Allonsius
- Laboratory of Applied Microbiology and Biotechnology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Ilke De Boeck
- Laboratory of Applied Microbiology and Biotechnology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Eline Oerlemans
- Laboratory of Applied Microbiology and Biotechnology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Ines Tuyaerts
- Laboratory of Applied Microbiology and Biotechnology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Nele Van de Vliet
- Laboratory of Applied Microbiology and Biotechnology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Marianne F L van den Broek
- Laboratory of Applied Microbiology and Biotechnology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Luciana Jimenez
- Lesaffre International, Lesaffre Group, Rue Gabriel Péri 137, 59700, Marcq-en-Baroeul, France
| | - Mickaël Boyer
- Lesaffre International, Lesaffre Group, Rue Gabriel Péri 137, 59700, Marcq-en-Baroeul, France
| | - Bertrand Rodriguez
- Gnosis by Lesaffre, Lesaffre Group, Rue Gabriel Péri 137, 59700, Marcq-en-Baroeul, France
| | - Nathalie Ballet
- Lesaffre International, Lesaffre Group, Rue Gabriel Péri 137, 59700, Marcq-en-Baroeul, France
| | - Sarah Lebeer
- Laboratory of Applied Microbiology and Biotechnology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium.
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13
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Kim HS, Kang GH, Yang MJ, Joo YJ, Lee DG, Lee HS, Lee JS, Hwang JH. Toxicity of a novel antifungal agent (ATB1651 gel) in Yucatan minipigs (Sus scrofa) following 4 weeks of daily dermal administration. Toxicol Res 2024; 40:247-258. [PMID: 38525130 PMCID: PMC10959866 DOI: 10.1007/s43188-023-00222-z] [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: 08/09/2023] [Revised: 12/04/2023] [Accepted: 12/11/2023] [Indexed: 03/26/2024] Open
Abstract
ATB1651 gel is an antifungal drug candidate that enhances antifungal activity through substitution of several aryl rings, alkyl chains, and methyl groups. To ensure safety of use of ATB1651 gel, assessment of its potentially toxic side effects is necessary. In this study, we examined the repeated-dose toxicity of ATB1651 gel to Yucatan minipigs (Sus scrofa) in accordance with the Good Laboratory Practice guidelines. Five doses of ATB1651 gel (0%, 0.2%, 0.5%, 1.0%, 3.0%) were administered dermally to the left and right flanks of 38 minipigs daily for 4 weeks. Mortality, clinical symptoms, dermal scores, body weights, and physiological, biochemical, pathological, and toxicokinetic analyses were performed after the treatment period. No systemic toxicological damage was observed in either male or female minipigs regardless of dose; however, dermal application of ATB1651 gel caused some skin alterations at the application sites. Specifically, erythema and eschar formation, edema, and scabs or raise spots were observed at the application site(s) in males in the 3.0% ATB1651 gel treatment group and in females at ATB1651 gel concentrations ≥ 1.0%, with dermal scores ranging from grade 1 to 2. Additionally, histopathological assay indicated infiltration of different types of inflammatory cells and the presence of pustule/crust at the application site(s) in both males and females at ATB1651 gel concentrations ≥ 0.5%. However, these changes were reversible after a 2-week recovery period and were considered a local irritation effect of ATB1651 gel. The no-observed-adverse-effect level of ATB1651 gel was 3.0% with regard to topical and systemic toxicity in both male and female minipigs. Collectively, our results imply that ATB1651 gel is a safe candidate for clinical development as an antifungal drug with a wide therapeutic window.
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Affiliation(s)
- Hyung-Sun Kim
- Animal Model Research Group, Jeonbuk Branch Institute, Korea Institute of Toxicology, Jeongup, Jeonbuk 56212 Republic of Korea
| | - Goo-Hwa Kang
- Animal Model Research Group, Jeonbuk Branch Institute, Korea Institute of Toxicology, Jeongup, Jeonbuk 56212 Republic of Korea
| | - Mi-Jin Yang
- Jeonbuk Pathology Research Group, Jeonbuk Branch Institute, Korea Institute of Toxicology, Jeongup, Jeonbuk 56212 Republic of Korea
| | - Yun-Jeong Joo
- Jeonbuk Quality Assurance Unit, Jeonbuk Branch Institute, Korea Institute of Toxicology, Jeongup, Jeonbuk 56212 Republic of Korea
| | - Dong-Gi Lee
- AmtixBio Co., Ltd., Hanam-si, Gyeonggi-do 12925 Republic of Korea
| | - Han-Seung Lee
- AmtixBio Co., Ltd., Hanam-si, Gyeonggi-do 12925 Republic of Korea
| | - Jong-Seung Lee
- AmtixBio Co., Ltd., Hanam-si, Gyeonggi-do 12925 Republic of Korea
| | - Jeong Ho Hwang
- Animal Model Research Group, Jeonbuk Branch Institute, Korea Institute of Toxicology, Jeongup, Jeonbuk 56212 Republic of Korea
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14
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Cheng L, Liu Z, Yu M, Lin L, Xiong L, Dai Q. Hypokalemia and Hyponatremia in Adult Patients Receiving Voriconazole Therapeutic Drug Monitoring. J Clin Pharmacol 2024; 64:461-468. [PMID: 37910022 DOI: 10.1002/jcph.2381] [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: 08/14/2023] [Accepted: 10/31/2023] [Indexed: 11/03/2023]
Abstract
Hypokalemia and hyponatremia are common but easily ignored adverse events in treatment with voriconazole (VCZ) that can lead to serious consequences. We intend to investigate the incidence of VCZ-induced hypokalemia and hyponatremia and their risk factors based on real-world data. A prospective study was conducted. A total of 272 patients with 414 VCZ plasma trough concentrations (C0) and VCZ N-oxide concentrations (CN) were included. The incidence of hypokalemia was 18.0% (48/266). A total of 81.2% (39/48) of patients developed hypokalemia within 14 days, whereas 56.2% (27/48) of patients developed hypokalemia within 1 week. The proportion of female patients in the hypokalemia group was higher than that in the nonhypokalemia group, as was the proportion of patients receiving intravenous VCZ. In the multivariate analysis, the independent risk factors for hypokalemia were sex, combined use of antibiotics, and VCZ CN/C0. The incidence of hyponatremia was 7.9% (21/266). The proportion of patients over 47 years of age in the hyponatremia group was 71.4% (15/21). The number of days of VCZ use in the hyponatremia group was greater than that in the nonhyponatremia group. A total of 47.6% (10/21) of patients in the hyponatremia group had supratherapeutic VCZ C0 (>5.0 µg/mL). In conclusion, hypokalemia is more likely to occur in females, in patients receiving intravenous VCZ, and in patients with the combined use of antibiotics. Hyponatremia is more likely to occur in patients older than 47 years who have been using VCZ for a long time and have higher VCZ C0 values.
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Affiliation(s)
- Lin Cheng
- Department of Pharmacy, The First Affiliated Hospital of Army Medical University (Third Military Medical University), Chongqing, China
| | - Zhirui Liu
- Department of Pharmacy, The First Affiliated Hospital of Army Medical University (Third Military Medical University), Chongqing, China
| | - Mingjie Yu
- Department of Pharmacy, The First Affiliated Hospital of Army Medical University (Third Military Medical University), Chongqing, China
| | - Ling Lin
- Department of Pharmacy, The First Affiliated Hospital of Army Medical University (Third Military Medical University), Chongqing, China
| | - Lirong Xiong
- Department of Pharmacy, The First Affiliated Hospital of Army Medical University (Third Military Medical University), Chongqing, China
| | - Qing Dai
- Department of Pharmacy, The First Affiliated Hospital of Army Medical University (Third Military Medical University), Chongqing, China
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15
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Wang Y, Liu Z, Chen T. Vaginal microbiota: Potential targets for vulvovaginal candidiasis infection. Heliyon 2024; 10:e27239. [PMID: 38463778 PMCID: PMC10923723 DOI: 10.1016/j.heliyon.2024.e27239] [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: 11/23/2023] [Revised: 01/28/2024] [Accepted: 02/27/2024] [Indexed: 03/12/2024] Open
Abstract
Vulvovaginal candidiasis (VVC) is the second most common cause of vaginal infection globally after bacterial vaginosis (BV) and associated with adverse reproductive and obstetric outcomes, including preterm delivery, sexually transmitted infections and pelvic inflammatory disease. Although effective control of VVC is achievable with the use of traditional treatment strategies (i.e., antifungals), the possibility of drug intolerance, treatment failure and recurrence, as well as the appearance of antifungal-resistant Candida species remain critical challenges. Therefore, alternative therapeutic strategies against VVC are urgently required. In recent years, an improved understanding of the dysbiotic vaginal microbiota (VMB) during VVC has prompted the consideration of administering -biotics to restore the balance of the VMB within the context of VVC prevention and treatment. Here, we aim to summarize the current evidence of the anti-Candida effects of probiotics, postbiotics and synbiotics and their potential use as an alternative/complementary therapy against VVC. Additionally, this review discusses advantages and challenges associated with the application of -biotics in VVC to provide guidance for their later use. We also review new developments in VVC therapy, i.e., vaginal microbiota transplantation (VMT) as an emerging live biotherapeutic therapy against VVC and discuss existing shortcomings associated with this nascent field, expecting to stimulate further investigations for introduction of new therapies against VVC.
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Affiliation(s)
- Yufei Wang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Nanchang University Jiangxi Medical College, No.1299, Xuefu Avenue, Honggutan District, Nanchang City, Jiangxi Province, China
- Queen Mary School, Jiangxi Medical College, Nanchang University, No.1299, Xuefu Avenue, Honggutan District, Nanchang City, Jiangxi Province, China
| | - Zhaoxia Liu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Nanchang University Jiangxi Medical College, No.1299, Xuefu Avenue, Honggutan District, Nanchang City, Jiangxi Province, China
| | - Tingtao Chen
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Nanchang University Jiangxi Medical College, No.1299, Xuefu Avenue, Honggutan District, Nanchang City, Jiangxi Province, China
- School of Pharmacy, National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Jiangxi Medical College, Nanchang University, No.1299, Xuefu Avenue, Honggutan District, Nanchang City, Jiangxi Province, China
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16
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Váradi G, Bende G, Borics A, Dán K, Rákhely G, Tóth GK, Galgóczy L. Rational Design of Antifungal Peptides Based on the γ-Core Motif of a Neosartorya ( Aspergillus) fischeri Antifungal Protein to Improve Structural Integrity, Efficacy, and Spectrum. ACS OMEGA 2024; 9:7206-7214. [PMID: 38371770 PMCID: PMC10870298 DOI: 10.1021/acsomega.3c09377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 01/17/2024] [Accepted: 01/22/2024] [Indexed: 02/20/2024]
Abstract
Antifungal peptides offer promising alternative compounds for the treatment of fungal infections, for which new antifungal compounds are urgently needed. Constant and broad antifungal spectra of these peptides play essential roles in their reliable therapeutic application. It has been observed that rationally designed peptides using the evolutionarily conserved γ-core region (GXC-X3-9-C) of an antifungal protein from Neosartorya (Aspergillus) fischeri highly inhibit the growth of fungi. The cysteines in these peptides have free sulfhydryl groups, which allow cyclization and dimerization under oxidative conditions, thereby impairing antifungal efficacy. To overcome this problem, one or two cysteine residues were substituted by serines or S-tert-butyl was applied as a cysteine-protecting group. Furthermore, structural integrity and antifungal efficacy investigations before and after oxidative exposure revealed that substituting both cysteines with serines and S-tert-butylation helped maintain the structural integrity. However, it slightly decreased the antifungal efficacy against a yeast, Candida albicans. Interestingly, S-tert-butylation maintained the efficacy and could extend the antifungal activity to a mold, Aspergillus fumigatus. Usually, cyclization and dimerization did not influence the antifungal efficacy of most peptides. Additionally, hemolysis tests and Galleria mellonella toxicity model experiments indicated that none of the applied modifications made the peptides harmful to animals.
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Affiliation(s)
- Györgyi Váradi
- Department
of Medical Chemistry, University of Szeged, Szeged 6720, Hungary
| | - Gábor Bende
- Department
of Biotechnology, University of Szeged, Szeged 6726, Hungary
- Doctoral
School of Biology, University of Szeged, Szeged 6720, Hungary
| | - Attila Borics
- Institute
of Biochemistry, HUN-REN Biological Research
Centre, Szeged 6726, Hungary
| | - Kinga Dán
- Department
of Biotechnology, University of Szeged, Szeged 6726, Hungary
- Doctoral
School of Biology, University of Szeged, Szeged 6720, Hungary
| | - Gábor Rákhely
- Department
of Biotechnology, University of Szeged, Szeged 6726, Hungary
- Institute
of Biophysics, HUN-REN Biological Research
Centre, Szeged 6726, Hungary
| | - Gábor K. Tóth
- Department
of Medical Chemistry, University of Szeged, Szeged 6720, Hungary
- MTA-SZTE
Biomimetic Systems Research Group, University
of Szeged, Szeged 6720, Hungary
| | - László Galgóczy
- Department
of Biotechnology, University of Szeged, Szeged 6726, Hungary
- Institute
of Biochemistry, HUN-REN Biological Research
Centre, Szeged 6726, Hungary
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17
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Heylen J, Vanbiervliet Y, Maertens J, Rijnders B, Wauters J. Acute Invasive Pulmonary Aspergillosis: Clinical Presentation and Treatment. Semin Respir Crit Care Med 2024; 45:69-87. [PMID: 38211628 DOI: 10.1055/s-0043-1777769] [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: 01/13/2024]
Abstract
Among all clinical manifestations of pulmonary aspergillosis, invasive pulmonary aspergillosis (IPA) is the most acute presentation. IPA is caused by Aspergillus hyphae invading the pulmonary tissue, causing either tracheobronchitis and/or bronchopneumonia. The degree of fungal invasion into the respiratory tissue can be seen as a spectrum, going from colonization to deep tissue penetration with angio-invasion, and largely depends on the host's immune status. Patients with prolonged, severe neutropenia and patients with graft-versus-host disease are at particularly high risk. However, IPA also occurs in other groups of immunocompromised and nonimmunocompromised patients, like solid organ transplant recipients or critically ill patients with severe viral disease. While a diagnosis of proven IPA is challenging and often warranted by safety and feasibility, physicians must rely on a combination of clinical, radiological, and mycological features to assess the likelihood for the presence of IPA. Triazoles are the first-choice regimen, and the choice of the drug should be made on an individual basis. Adjunctive therapy such as immunomodulatory treatment should also be taken into account. Despite an improving and evolving diagnostic and therapeutic armamentarium, the burden and mortality of IPA still remains high. This review aims to give a comprehensive and didactic overview of the current knowledge and best practices regarding the epidemiology, clinical presentation, diagnosis, and treatment of acute IPA.
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Affiliation(s)
- Jannes Heylen
- Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
| | - Yuri Vanbiervliet
- Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
- Department of Haematology, University Hospitals Leuven, Leuven, Belgium
| | - Johan Maertens
- Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
- Department of Haematology, University Hospitals Leuven, Leuven, Belgium
| | - Bart Rijnders
- Department of Internal Medicine and Infectious Diseases, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Joost Wauters
- Department of Microbiology, Immunology and Transplantation, KU Leuven, Leuven, Belgium
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18
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Eschenauer GA. Antifungal Therapies for Aspergillus spp.: Present and Future. Semin Respir Crit Care Med 2024; 45:61-68. [PMID: 38151025 DOI: 10.1055/s-0043-1776776] [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: 12/29/2023]
Abstract
Currently available and recommended options for the treatment of pulmonary aspergillosis include the triazoles, echinocandins, and amphotericin B products. These therapies have significant limitations. Only the azoles are available orally, but their use is often limited by toxicities, drug-drug interactions, pharmacokinetic variability, and emerging resistance. While the echinocandins are safe agents and may have a role in combination therapy, they are unproven as monotherapy. Amphotericin B preparations are toxic and require intensive monitoring. Finally, aspergillosis continues to be a disease conferring substantial morbidity and mortality, and clinical trials have not identified a therapeutic approach clearly associated with improved outcomes. As a result, there is a great need for new options in the treatment of invasive aspergillosis. Ideally, such options would be safe, have high oral bioavailability, have favorable pharmacokinetics to sequestered sites and retain activity against azole-resistant isolates. Reassuringly, there is a robust pipeline of novel therapies in development. Rezafungin (a once-weekly dosed echinocandin) and ibrexafungerp (oral agent with same mechanism of action as echinocandins) will likely be reserved for combination therapy or refractory/intolerance scenarios with no other options. Inhaled opelconazole is an attractive option for combination therapy and prophylaxis of pulmonary aspergillosis. Development of an oral form of amphotericin B that avoids nephrotoxicity and electrolyte disturbances is an exciting development. Finally, olorofim and fosmanogepix, two agents with novel mechanisms of action and oral formulations, hold significant potential to challenge the triazole antifungals place as preferred therapies. However, many questions remain regarding these novel agents, and at the time of this writing, none of these agents have been robustly studied in Phase III studies of aspergillosis, and so their promise remains investigational.
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Affiliation(s)
- Gregory A Eschenauer
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, Ann Arbor, Michigan
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19
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Nguyen QP, Wooten D. Voriconazole-induced periostitis in a patient with HIV treated for coccidioidomycosis meningitis. BMJ Case Rep 2024; 17:e257884. [PMID: 38272516 PMCID: PMC10826494 DOI: 10.1136/bcr-2023-257884] [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: 01/27/2024] Open
Abstract
Voriconazole-induced periostitis is a rare adverse effect in patients on long-term therapy, characterised by periosteal inflammation and associated bony pain. The accompanying lab abnormalities (elevated serum alkaline phosphatase and fluoride) and characteristic imaging findings (uptake of radionuclide tracer on nuclear bone scan) are critical for diagnosis. The disease process is thought to be secondary to excess fluoride from voriconazole which stimulates bone formation and decreases osteoclast bone resorption. Management includes stopping voriconazole and switching to another agent.
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Affiliation(s)
- Quynh P Nguyen
- School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Darcy Wooten
- Division of Infectious Diseases and Global Public Health, University of California San Diego, La Jolla, California, USA
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20
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Zhao H, Lu Y, Li S, Qin J, Xu M, Ye H, Yang Z, Rao J, Chen G, Su F, Hu Z, Xu L. Voriconazole plus flucytosine is not superior to amphotericin B deoxycholate plus flucytosine as an induction regimen for cryptococcal meningitis treatment. Mycoses 2024; 67:e13674. [PMID: 37986630 DOI: 10.1111/myc.13674] [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: 08/17/2023] [Revised: 10/21/2023] [Accepted: 11/01/2023] [Indexed: 11/22/2023]
Abstract
BACKGROUND The efficacy and side effects of voriconazole plus 5-flucytosine (Vori + 5-FC) versus amphotericin B deoxycholate plus 5-flucytosine (AmBd + 5-FC) as an induction treatment for cryptococcal meningitis are unknown. METHODS Forty-seven patients treated with Vori + 5-FC and 92 patients treated with AmBd + 5-FC were included in the current study after propensity score matching (PSM) at a ratio of 1:2. Two-week laboratory test results and 90-day mortality were compared between the two groups. RESULTS After 2 weeks of induction treatment, the CSF Cryptococcus sterile culture rate was 57.1% in the Vori + 5-FC group and 76.5% in the AmBd + 5-FC group (p = .026). No difference was found in the normalization of CSF indicators (glucose, total protein, intracranial pressure and India ink sterile rate) between the two groups. Both the Vori + 5FC regimen and AmBd + 5-FC regimen obviously decreased haemoglobin concentrations, platelet counts and serum potassium levels (all p ≤ .010). Notably, the Vori + 5FC regimen did not influence serum creatinine levels (p = .263), while AmBd + 5FC increased serum creatinine levels (p = .019) after 2-week induction treatment. The Vori + 5-FC group and AmBd + 5-FC group had similar 90-day cumulative survival rates (89.9% vs. 87.8%, p = .926). CONCLUSION The Vori + 5-FC regimen was associated with low 2-week CSF sterile culture and was not superior to AmBd + 5-FC as induction therapy in terms of the 90-day cumulative survival rate of CM patients.
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Affiliation(s)
- Handan Zhao
- National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- The State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yanqiu Lu
- Chongqing Public Health Medical Center, Southwest University Public Health Hospital, Chongqing, China
| | - Shan Li
- Department of Infectious Diseases, The Ninth Hospital of Nanchang, Nanchang, China
| | - Jiangying Qin
- National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Miaomiao Xu
- Department of Infectious Disease, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Hui Ye
- Department of Infectious Diseases, Wenzhou Central Hospital, Wenzhou, China
| | - Zongxing Yang
- Xixi Hospital of Hangzhou, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jianfeng Rao
- Department of Infectious Diseases, The Ninth Hospital of Nanchang, Nanchang, China
| | - Guochun Chen
- Department of Infectious Diseases, The Third Peoples' Hospital of Changzhou, Changzhou, China
| | - Feifei Su
- Department of Infectious Diseases, Wenzhou Central Hospital, Wenzhou, China
| | - Zhiliang Hu
- Department of Infectious Disease, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Lijun Xu
- National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- The State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
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21
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Jiang K, Luo P, Wang X, Lu L. Insight into advances for the biosynthetic progress of fermented echinocandins of antifungals. Microb Biotechnol 2024; 17:e14359. [PMID: 37885073 PMCID: PMC10832530 DOI: 10.1111/1751-7915.14359] [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] [Received: 07/28/2023] [Revised: 10/04/2023] [Accepted: 10/11/2023] [Indexed: 10/28/2023] Open
Abstract
Invasive fungal infections have increased remarkably, which have become unprecedented concern to human health. However, the effectiveness of current antifungal drugs is limited due to drug resistance and toxic side-effects. It is urgently required to establish the effective biosynthetic strategy for developing novel and safe antifungal molecules economically. Echinocandins become a promising option as a mainstay family of antifungals, due to specifically targeting the fungal specific cell wall. To date, three kinds of echinocandins for caspofungin, anidulafungin, and micafungin, which derived from pneumocandin B0 , echinocandin B, and FR901379, are commercially available in clinic and have shown potential in managing invasive fungal infections in a cost-effective manner. However, current echinocandins-derived precursors all are produced by environmental fungal isolates with long fermentation cycle and low yields, which challenge the production efficacy of these precursors in industry. Therefore, understanding their biosynthetic machinery is of great importance for improving antifungal titres and creating new echinocandins-derived products. With the development of genome-wide sequencing and establishment of gene-editing technology, there are a growing number of reports on echinocandins-derived products and their biosynthetic gene clusters. This review briefly summarizes the discovery and development history of echinocandins, compares their structural characteristics and biosynthetic processes, and sums up existed strategies for improving their production. Moreover, the genomic analysis of related biosynthetic gene clusters of echinocandins is discussed, highlighting the similarities and differences among the clusters. Last, the biosynthetic processes of echinocandins are compared, focusing on the activation and attachment of side-chains and the formation of the hexapeptide core. This review aims to provide insights into the development and production of new echinocandin drugs by modifying the structure of echinocandin-derived precursors and/or optimizing the fermentation processes; and achieve a new microbial chassis for efficient production of echinocandins in heterologous hosts.
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Affiliation(s)
- Kaili Jiang
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu, Engineering and Technology Research Center for Microbiology, College of Life SciencesNanjing Normal UniversityNanjingChina
| | - Pan Luo
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu, Engineering and Technology Research Center for Microbiology, College of Life SciencesNanjing Normal UniversityNanjingChina
| | - Xinxin Wang
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu, Engineering and Technology Research Center for Microbiology, College of Life SciencesNanjing Normal UniversityNanjingChina
| | - Ling Lu
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu, Engineering and Technology Research Center for Microbiology, College of Life SciencesNanjing Normal UniversityNanjingChina
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Salmanton-García J, Reinhold I, Prattes J, Bekaan N, Koehler P, Cornely OA. Questioning the 14-day dogma in candidemia treatment duration. Mycoses 2024; 67:e13672. [PMID: 37897148 DOI: 10.1111/myc.13672] [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: 09/25/2023] [Revised: 10/19/2023] [Accepted: 10/26/2023] [Indexed: 10/29/2023]
Abstract
The growing threat of antimicrobial resistance (AMR) is a global concern. With AMR directly causing 1.27 million deaths in 2019 and projections of up to 10 million annual deaths by 2050, optimising infectious disease treatments is imperative. Prudent antimicrobial use, including treatment duration, can mitigate AMR emergence. This is particularly critical in candidemia, a severe condition with a 45% crude mortality rate, as the 14-day minimum treatment period has not been challenged in randomised comparison. A comprehensive literature search was conducted in August 2023, revealing seven original articles and two case series discussing treatment durations of less than 14 days for candidemia. No interventional trials or prospective observational studies assessing shorter durations were found. Historical studies showed varying candidemia treatment durations, questioning the current 14-day minimum recommendation. Recent research observed no significant survival differences between patients receiving shorter or longer treatment, emphasising the need for evidence-based guidance. Treatment duration reduction post-blood culture clearance could decrease exposure to antifungal drugs, limiting selection pressure, especially in the context of emerging multiresistant Candida species. Candidemia's complexity, emerging resistance and potential for shorter in-hospital stays underscore the urgency of refining treatment strategies. Evidence-driven candidemia treatment durations are imperative to balance efficacy with resistance prevention and ensure the longevity of antifungal therapies. Further research and clinical trials are needed to establish evidence-based guidelines for candidemia treatment duration.
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Affiliation(s)
- Jon Salmanton-García
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Institute of Translational Research, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf (CIO ABCD) and Excellence Center for Medical Mycology (ECMM), University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
- German Centre for Infection Research (DZIF), Partner Site Bonn-Cologne, Cologne, Germany
| | - Ilana Reinhold
- Department of Infectious Diseases and Hospital Epidemiology, University Hospital of Zurich, Zurich, Switzerland
| | - Juergen Prattes
- Division of Infectious Disease, Department of Internal Medicine, Excellence Center for Medical Mycology (ECMM), Medical University of Graz, Graz, Austria
| | - Nico Bekaan
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Institute of Translational Research, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf (CIO ABCD) and Excellence Center for Medical Mycology (ECMM), University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Philipp Koehler
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Institute of Translational Research, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf (CIO ABCD) and Excellence Center for Medical Mycology (ECMM), University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Oliver A Cornely
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), Institute of Translational Research, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
- Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf (CIO ABCD) and Excellence Center for Medical Mycology (ECMM), University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
- German Centre for Infection Research (DZIF), Partner Site Bonn-Cologne, Cologne, Germany
- Clinical Trials Centre Cologne (ZKS Köln), University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
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23
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Shetty AN, Cummings KW, Gotway MB, Jensen EA, Jokerst CE, Panse PM, Rojas CA. Thoracic periosteal reaction secondary to voriconazole use in an adult transplant patient. Radiol Case Rep 2024; 19:346-348. [PMID: 38028313 PMCID: PMC10663634 DOI: 10.1016/j.radcr.2023.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 10/04/2023] [Indexed: 12/01/2023] Open
Abstract
Periosteal reaction may result from multiple causes including infection, trauma, medications, and neoplasms. One important etiology that must be considered in the differential diagnosis of symmetric periosteal reaction, especially in immunocompromised patients, is voriconazole use. We present a case of a 65-year-old man who underwent liver transplantation complicated by acute hypoxic respiratory failure and Aspergillus infection. Long term voriconazole therapy was initiated with resultant development of thoracic periosteal reaction which improved following discontinuation of the medication. Given the preferential upper body distribution of periosteal reaction induced by voriconazole, chest radiologists might be the first ones to recognize this adverse effect.
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Affiliation(s)
- Anisha N. Shetty
- Department of Radiology, Mayo Clinic Arizona, 5777 E. Mayo Blvd, Phoenix, AZ, 85054 USA
| | | | - Michael B. Gotway
- Department of Radiology, Mayo Clinic Arizona, 5777 E. Mayo Blvd, Phoenix, AZ, 85054 USA
| | - Eric A. Jensen
- Department of Radiology, Mayo Clinic Arizona, 5777 E. Mayo Blvd, Phoenix, AZ, 85054 USA
| | - Clinton E. Jokerst
- Department of Radiology, Mayo Clinic Arizona, 5777 E. Mayo Blvd, Phoenix, AZ, 85054 USA
| | - Prasad M. Panse
- Department of Radiology, Mayo Clinic Arizona, 5777 E. Mayo Blvd, Phoenix, AZ, 85054 USA
| | - Carlos A. Rojas
- Department of Radiology, Mayo Clinic Arizona, 5777 E. Mayo Blvd, Phoenix, AZ, 85054 USA
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Singh S, Patil VM, Paliwal SK, Masand N. Nanotechnology-based Drug Delivery of Topical Antifungal Agents. Pharm Nanotechnol 2024; 12:185-196. [PMID: 37594096 DOI: 10.2174/2211738511666230818125031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/03/2023] [Accepted: 07/13/2023] [Indexed: 08/19/2023]
Abstract
Among the various prominent fungal infections, superficial ones are widespread. A large number of antifungal agents and their formulations for topical use are commercially available. They have some pharmacokinetic limitations which cannot be retracted by conventional delivery systems. While nanoformulations composed of lipidic and polymeric nanoparticles have the potential to overcome the limitations of conventional systems. The broad spectrum category of antifungals i.e. azoles (ketoconazole, voriconazole, econazole, miconazole, etc.) nanoparticles have been designed, prepared and their pharmacokinetic and pharmacodynamic profile was established. This review briefly elaborates on the types of nano-based topical drug delivery systems and portrays their advantages for researchers in the related field to benefit the available antifungal therapeutics.
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Affiliation(s)
- Sumita Singh
- Department of Pharmacy, Banasthali Vidyapith, Tonk, Rajasthan, India
- Swami Vivekanand Subharti University, Meerut, Uttar Pradesh, India
| | - Vaishali M Patil
- Charak School of Pharmacy, Chaudhary Charan Singh (CCS) University, Meerut, Uttar Pradesh, India
| | | | - Neeraj Masand
- Department of Pharmacy, Lala Lajpat Rai Memorial Medical College, Meerut, Uttar Pradesh, India
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Cañizares-Cooz D, García-Párraga D, Plá-González E, Rojo-Solis C, Encinas T, Morón-Elorza P. Fungal Diseases in Elasmobranchs and Their Possible Treatment with a Special Mention to Azole Antifungal Agents. Animals (Basel) 2023; 14:43. [PMID: 38200774 PMCID: PMC10778029 DOI: 10.3390/ani14010043] [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: 11/12/2023] [Revised: 12/09/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024] Open
Abstract
INTRODUCTION Elasmobranchs currently constitute an important part of the animal collection of many aquariums worldwide. Their maintenance under human care has allowed us to describe and identify new pathogens and diseases affecting them, as well as to determine different treatments for these diseases. Great advances in elasmobranch husbandry have been developed. METHODS A search was performed on scientific databases as PubMed and other specialized sources (IAAAM archive). RESULTS Little information on pharmacotherapeutics is available in this taxonomic group, and treatments lack a scientific base and instead are frequently dependent on empirical knowledge. Pharmacokinetic studies are the first step to determining therapeutic protocols that are safe and effective. The available bibliography shows that a majority of the mycoses recorded in cartilaginous fish are severe, aggravated by the fact that the antifungal treatments administered, following the guidelines used for teleost species, are ineffective in elasmobranchs. Azoles appear to be a promising group of antifungals for use in treating systemic mycoses in sharks and rays. CONCLUSIONS Based on the findings of this review, it is essential to investigate the pharmacokinetics of the different antifungals in these species in order to provide therapeutic options for fungal infections in cartilaginous fish.
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Affiliation(s)
- Daniela Cañizares-Cooz
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, Av. Puerta de Hierro s/n, 28040 Madrid, Spain; (T.E.); (P.M.-E.)
| | - Daniel García-Párraga
- Fundación Oceanogràfic de la Comunitat Valenciana, C/Eduardo Primo Yúfera (Científic) 1B, 46013 Valencia, Spain; (D.G.-P.); (E.P.-G.)
- Veterinary Services, Oceanogràfic, Ciudad de las Artes y las Ciencias, C/Eduardo Primo Yúfera (Científic) 1B, 46013 Valencia, Spain;
| | - Emma Plá-González
- Fundación Oceanogràfic de la Comunitat Valenciana, C/Eduardo Primo Yúfera (Científic) 1B, 46013 Valencia, Spain; (D.G.-P.); (E.P.-G.)
| | - Carlos Rojo-Solis
- Veterinary Services, Oceanogràfic, Ciudad de las Artes y las Ciencias, C/Eduardo Primo Yúfera (Científic) 1B, 46013 Valencia, Spain;
| | - Teresa Encinas
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, Av. Puerta de Hierro s/n, 28040 Madrid, Spain; (T.E.); (P.M.-E.)
| | - Pablo Morón-Elorza
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, Av. Puerta de Hierro s/n, 28040 Madrid, Spain; (T.E.); (P.M.-E.)
- Fundación Oceanogràfic de la Comunitat Valenciana, C/Eduardo Primo Yúfera (Científic) 1B, 46013 Valencia, Spain; (D.G.-P.); (E.P.-G.)
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26
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McHale TC, Boulware DR, Kasibante J, Ssebambulidde K, Skipper CP, Abassi M. Diagnosis and management of cryptococcal meningitis in HIV-infected adults. Clin Microbiol Rev 2023; 36:e0015622. [PMID: 38014977 PMCID: PMC10870732 DOI: 10.1128/cmr.00156-22] [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: 11/29/2023] Open
Abstract
Cryptococcal meningitis is a leading cause of morbidity and mortality globally, especially in people with advanced HIV disease. Cryptococcal meningitis is responsible for nearly 20% of all deaths related to advanced HIV disease, with the burden of disease predominantly experienced by people in resource-limited countries. Major advancements in diagnostics have introduced low-cost, easy-to-use antigen tests with remarkably high sensitivity and specificity. These tests have led to improved diagnostic accuracy and are essential for screening campaigns to reduce the burden of cryptococcosis. In the last 5 years, several high-quality, multisite clinical trials have led to innovations in therapeutics that have allowed for simplified regimens, which are better tolerated and result in less intensive monitoring and management of medication adverse effects. One trial found that a shorter, 7-day course of deoxycholate amphotericin B is as effective as the longer 14-day course and that flucytosine is an essential partner drug for reducing mortality in the acute phase of disease. Single-dose liposomal amphotericin B has also been found to be as effective as a 7-day course of deoxycholate amphotericin B. These findings have allowed for simpler and safer treatment regimens that also reduce the burden on the healthcare system. This review provides a detailed discussion of the latest evidence guiding the clinical management and special circumstances that make cryptococcal meningitis uniquely difficult to treat.
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Affiliation(s)
- Thomas C. McHale
- Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA
| | - David R. Boulware
- Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA
| | - John Kasibante
- Infectious Diseases Institute, Makerere University, Kampala, Uganda
| | | | - Caleb P. Skipper
- Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA
| | - Mahsa Abassi
- Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA
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27
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Bishnoi A, Narang T, Das L, Chatterjee D, Singh V, Shah S, Shah R, Dogra S. Itraconazole-induced adrenal insufficiency in a patient with exogenous Cushing's syndrome. Indian J Dermatol Venereol Leprol 2023; 0:1-2. [PMID: 38031683 DOI: 10.25259/ijdvl_295_2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 08/30/2023] [Indexed: 12/01/2023]
Affiliation(s)
- Anuradha Bishnoi
- Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, India
| | - Tarun Narang
- Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, India
| | - Liza Das
- Department of Endocrinology, PGIMER, Chandigarh, India
| | | | - Vaneet Singh
- Department of Ophthalmology, Chesterfield Royal Hospital, Calow, Chesterfield, Derbyshire, United Kingdom
| | - Shikha Shah
- Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, India
| | - Ravi Shah
- Department of Endocrinology, PGIMER, Chandigarh, India
| | - Sunil Dogra
- Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, India
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28
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Kaur G, Chawla S, Kumar P, Singh R. Advancing Vaccine Strategies against Candida Infections: Exploring New Frontiers. Vaccines (Basel) 2023; 11:1658. [PMID: 38005990 PMCID: PMC10674196 DOI: 10.3390/vaccines11111658] [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: 08/28/2023] [Revised: 10/22/2023] [Accepted: 10/25/2023] [Indexed: 11/26/2023] Open
Abstract
Candida albicans, along with several non-albicans Candida species, comprise a prominent fungal pathogen in humans, leading to candidiasis in various organs. The global impact of candidiasis in terms of disease burden, suffering, and fatalities is alarmingly high, making it a pressing global healthcare concern. Current treatment options rely on antifungal drugs such as azoles, polyenes, and echinocandins but are delimited due to the emergence of drug-resistant strains and associated adverse effects. The current review highlights the striking absence of a licensed antifungal vaccine for human use and the urgent need to shift our focus toward developing an anti-Candida vaccine. A number of factors affect the development of vaccines against fungal infections, including the host, intraspecies and interspecies antigenic variations, and hence, a lack of commercial interest. In addition, individuals with a high risk of fungal infection tend to be immunocompromised, so they are less likely to respond to inactivated or subunit whole organisms. Therefore, it is pertinent to discover newer and novel alternative strategies to develop safe and effective vaccines against fungal infections. This review article provides an overview of current vaccination strategies (live attenuated, whole-cell killed, subunit, conjugate, and oral vaccine), including their preclinical and clinical data on efficacy and safety. We also discuss the mechanisms of immune protection against candidiasis, including the role of innate and adaptive immunity and potential biomarkers of protection. Challenges, solutions, and future directions in vaccine development, namely, exploring novel adjuvants, harnessing the trained immunity, and utilizing immunoinformatics approaches for vaccine design and development, are also discussed. This review concludes with a summary of key findings, their implications for clinical practice and public health, and a call to action for continued investment in candidiasis vaccine research.
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Affiliation(s)
- Gurpreet Kaur
- Department of Biotechnology, Chandigarh College of Technology (CCT), Chandigarh Group of Colleges (CGC), Landran, Mohali 140307, India
| | - Sonam Chawla
- Department of Biotechnology, Jaypee Institute of Information Technology, Sector 62, Noida 201309, India; (S.C.)
| | - Piyush Kumar
- Department of Biotechnology, Jaypee Institute of Information Technology, Sector 62, Noida 201309, India; (S.C.)
| | - Ritu Singh
- Department of Biotechnology, Jaypee Institute of Information Technology, Sector 62, Noida 201309, India; (S.C.)
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Du Q, Teng M, Yang L, Meng C, Qiu Y, Wang C, Chen J, Wang T, Chen S, Luo Y, Sun J, Dong Y. Metabolic characteristics of voriconazole - Induced liver injury in rats. Chem Biol Interact 2023; 383:110693. [PMID: 37659626 DOI: 10.1016/j.cbi.2023.110693] [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: 05/29/2023] [Revised: 08/14/2023] [Accepted: 08/30/2023] [Indexed: 09/04/2023]
Abstract
Voriconazole (VOR) - induced liver injury is a common adverse reaction, and can lead to serious clinical outcomes. It is of great significance to describe the metabolic characteristics of VOR - induced liver injury and to elucidate the potential mechanisms. This study investigated the changes of plasma metabolic profiles in a rat model of VOR - induced liver injury by non - targeted metabolomics. Correlation analysis was performed between differentially expressed metabolites and plasma liver function indexes. The metabolites with strong correlation were determined for their predictive performance for liver injury using receiver operating characteristic (ROC) curve analysis. Potential biomarkers were then screened combined with liver pathological scores. Finally, the expression level of genes that involved in lipid metabolism were determined in rat liver to verify the mechanism of VOR - induced liver injury we proposed. VOR - induced liver injury in rats was characterized by plasma alanine aminotransferase (ALT) and aspartate aminotransferase (AST) elevation, the lipid droplets accumulation in liver, as well as inflammation and fibrosis. Significant changes of plasma metabolites were observed, with a decrease in lipid metabolites accounting for over 50% of all changed metabolites, and alterations of cholesterol and bile acids metabolites. The decrease of 3 phosphatidylcholine (PC) in plasma could indicate the occurrence of VOR - induced liver injury. Decreased fatty acids (FA) oxidation and bile acid excretion might be the potential mechanisms of VOR - induced liver injury. This study provided new insights into the molecular characterization of VOR - induced liver injury.
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Affiliation(s)
- Qian Du
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Mengmeng Teng
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Luting Yang
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Chao Meng
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yulan Qiu
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Chuhui Wang
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Jiaojiao Chen
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Taotao Wang
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Siying Chen
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yu Luo
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Jinyao Sun
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Yalin Dong
- Department of Pharmacy, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China.
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30
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Kettritz R, Loffing J. Potassium homeostasis - Physiology and pharmacology in a clinical context. Pharmacol Ther 2023; 249:108489. [PMID: 37454737 DOI: 10.1016/j.pharmthera.2023.108489] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/03/2023] [Accepted: 07/06/2023] [Indexed: 07/18/2023]
Abstract
Membrane voltage controls the function of excitable cells and is mainly a consequence of the ratio between the extra- and intracellular potassium concentration. Potassium homeostasis is safeguarded by balancing the extra-/intracellular distribution and systemic elimination of potassium to the dietary potassium intake. These processes adjust the plasma potassium concentration between 3.5 and 4.5 mmol/L. Several genetic and acquired diseases but also pharmacological interventions cause dyskalemias that are associated with increased morbidity and mortality. The thresholds at which serum K+ not only associates but also causes increased mortality are hotly debated. We discuss physiologic, pathophysiologic, and pharmacologic aspects of potassium regulation and provide informative case vignettes. Our aim is to help clinicians, epidemiologists, and pharmacologists to understand the complexity of the potassium homeostasis in health and disease and to initiate appropriate treatment strategies in dyskalemic patients.
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Affiliation(s)
- Ralph Kettritz
- Department of Nephrology and Medical Intensive Care, Charité - Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; Experimental and Clinical Research Center, Max Delbrück Center for Molecular Medicine in the Helmholtz Association and Charité Universitätsmedizin Berlin, Germany.
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31
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Cheng L, Zhao Y, Liang Z, You X, Jia C, Liu X, Wang Q, Sun F. Prediction of plasma trough concentration of voriconazole in adult patients using machine learning. Eur J Pharm Sci 2023; 188:106506. [PMID: 37356464 DOI: 10.1016/j.ejps.2023.106506] [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: 03/28/2023] [Revised: 06/12/2023] [Accepted: 06/19/2023] [Indexed: 06/27/2023]
Abstract
OBJECTIVE Plasma trough concentration of voriconazole (VCZ) was associated with its toxicity and efficacy. However, the nonlinear pharmacokinetic characteristics of VCZ make it difficult to determine the relationship between clinical characteristics and its concentration. We intended to present a machine learning (ML)-based method to predict toxic plasma trough concentration of VCZ (>5 μg/mL). METHODS A single center retrospective study was conducted. Three ML algorithms were used to estimate the concentration in adult patients, including random forest (RF), gradient boosting (GB), and extreme gradient boosting (XGBoost). The importance of variables was recognized by the SHapley Additive exPlanations (SHAP) method. In addition, an external validation set was used to validate the robustness of models. RESULTS A total of 1318 VCZ plasma concentration were included, with 33 variables enrolled in the model. Nine classification models were developed using the RF, GB, and XGBoost algorithms. Most models performed well for both the training set and test set, with an average balanced accuracy (BA) of 0.704 and an average accuracy (ACC) of 0.788. In addition, the average Matthews correlation coefficient value reached 0.484, which indicated the predicted values are meaningful. Based on the average BA and ACC values, the predictive ability of the models can be ranked from best to worst as follows: younger adult models > mixed models > elderly models, and XGBoost models > GBT models > RF models. The SHAP results showed that the top five influencing factors in younger adult patients (<60 years) were albumin, total bile acid (TBA), platelets count, age, and inflammation, while the top five influencing factors in elderly patients were albumin, TBA, aspartate aminotransferase, creatinine, and alanine aminotransferase. Furthermore, the prediction of external validation set for VCZ concentrations verified the high reliability of the models, for the ACC value of 0.822 by the best model. CONCLUSIONS The ML models can be reliable tools for predicting toxic concentration exposure of VCZ. The SHAP results may provide useful guidelines for dosage adjustment of VCZ.
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Affiliation(s)
- Lin Cheng
- Department of Pharmacy, the First Affiliated Hospital of Army Medical University (Third Military Medical University), Gao Tanyan Street 29#, Sha Pingba, Chongqing 400038, PR China
| | - Yue Zhao
- Department of Pharmacy, the First Affiliated Hospital of Army Medical University (Third Military Medical University), Gao Tanyan Street 29#, Sha Pingba, Chongqing 400038, PR China
| | - Zaiming Liang
- Department of Pharmacy, the First Affiliated Hospital of Army Medical University (Third Military Medical University), Gao Tanyan Street 29#, Sha Pingba, Chongqing 400038, PR China
| | - Xi You
- Department of Pharmacy, the First Affiliated Hospital of Army Medical University (Third Military Medical University), Gao Tanyan Street 29#, Sha Pingba, Chongqing 400038, PR China
| | - Changsheng Jia
- Department of Pharmacy, the First Affiliated Hospital of Army Medical University (Third Military Medical University), Gao Tanyan Street 29#, Sha Pingba, Chongqing 400038, PR China
| | - Xiuying Liu
- Department of Pharmacy, the First Affiliated Hospital of Army Medical University (Third Military Medical University), Gao Tanyan Street 29#, Sha Pingba, Chongqing 400038, PR China
| | - Qian Wang
- Department of Pharmacy, the First Affiliated Hospital of Army Medical University (Third Military Medical University), Gao Tanyan Street 29#, Sha Pingba, Chongqing 400038, PR China.
| | - Fengjun Sun
- Department of Pharmacy, the First Affiliated Hospital of Army Medical University (Third Military Medical University), Gao Tanyan Street 29#, Sha Pingba, Chongqing 400038, PR China.
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Li G, Li Q, Zhang C, Yu Q, Li Q, Zhou X, Yang R, Yang X, Liu H, Yang Y. The impact of gene polymorphism and hepatic insufficiency on voriconazole dose adjustment in invasive fungal infection individuals. Front Genet 2023; 14:1242711. [PMID: 37693307 PMCID: PMC10484623 DOI: 10.3389/fgene.2023.1242711] [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: 06/19/2023] [Accepted: 08/10/2023] [Indexed: 09/12/2023] Open
Abstract
Voriconazole (VRZ) is a broad-spectrum antifungal medication widely used to treat invasive fungal infections (IFI). The administration dosage and blood concentration of VRZ are influenced by various factors, posing challenges for standardization and individualization of dose adjustments. On the one hand, VRZ is primarily metabolized by the liver, predominantly mediated by the cytochrome P450 (CYP) 2C19 enzyme. The genetic polymorphism of CYP2C19 significantly impacts the blood concentration of VRZ, particularly the trough concentration (Ctrough), thereby influencing the drug's efficacy and potentially causing adverse drug reactions (ADRs). Recent research has demonstrated that pharmacogenomics-based VRZ dose adjustments offer more accurate and individualized treatment strategies for individuals with hepatic insufficiency, with the possibility to enhance therapeutic outcomes and reduce ADRs. On the other hand, the security, pharmacokinetics, and dosing of VRZ in individuals with hepatic insufficiency remain unclear, making it challenging to attain optimal Ctrough in individuals with both hepatic insufficiency and IFI, resulting in suboptimal drug efficacy and severe ADRs. Therefore, when using VRZ to treat IFI, drug dosage adjustment based on individuals' genotypes and hepatic function is necessary. This review summarizes the research progress on the impact of genetic polymorphisms and hepatic insufficiency on VRZ dosage in IFI individuals, compares current international guidelines, elucidates the current application status of VRZ in individuals with hepatic insufficiency, and discusses the influence of CYP2C19, CYP3A4, CYP2C9, and ABCB1 genetic polymorphisms on VRZ dose adjustments and Ctrough at the pharmacogenomic level. Additionally, a comprehensive summary and analysis of existing studies' recommendations on VRZ dose adjustments based on CYP2C19 genetic polymorphisms and hepatic insufficiency are provided, offering a more comprehensive reference for dose selection and adjustments of VRZ in this patient population.
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Affiliation(s)
- Guolin Li
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Qinhui Li
- Department of Medical, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Changji Zhang
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Qin Yu
- College of Pharmacy, Southwest Medical University, Luzhou, China
| | - Qi Li
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaoshi Zhou
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Rou Yang
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xuerong Yang
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Hailin Liu
- Department of Pharmacy, The People’s Hospital of Chongqing Liangjiang New Area, Chongqing, China
| | - Yong Yang
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
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Zhang H, Zhang J, Wang C, Wu D, Shi G. Extract of Sophorae flavescentis radix-Cnidii fructus couplet medicines treats vulvovaginal candidiasis by affecting the vaginal mucosal barrier. Future Microbiol 2023; 18:809-824. [PMID: 37668465 DOI: 10.2217/fmb-2023-0033] [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: 09/06/2023] Open
Abstract
Aim: This study investigated the inhibition of extract of Sophorae flavescentis radix-Cnidii fructus couplet medicines (ESCC) on Candida albicans (C. albicans) in vitro and the effect of ESCC on the vaginal mucosal barrier in vivo. Materials & methods: Susceptibility testing was performed with C. albicans SC5314. A vulvovaginal candidiasis mouse model was successfully established. The plate method, Gram staining, hematoxylin and eosin staining and ELISA were used to detect relevant inflammatory indexes: IFN-γ, IL-1 and TNF-α. Quantitative real-time PCR and western blot were used to detect mucosal immune-related factors: MUC1, MUC4, DEFB1 and DEFB2. Results: ESCC was able to inhibit the proliferative activity of C. albicans, and it affected inflammation-related factors and indicators of vaginal mucosal immunity. Conclusion: ESCC showed potential value in the treatment of vulvovaginal candidiasis.
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Affiliation(s)
- Haitao Zhang
- Research Institute of Integrated Traditional Chinese & Western Medicine, Anhui Academy of Chinese Medicine, Hefei, 230012, China
| | - Jiaping Zhang
- Research Institute of Integrated Traditional Chinese & Western Medicine, Anhui Academy of Chinese Medicine, Hefei, 230012, China
| | - Changzhong Wang
- Research Institute of Integrated Traditional Chinese & Western Medicine, Anhui Academy of Chinese Medicine, Hefei, 230012, China
- Department of Pathogenic Biology & Immunology, College of Integrated Chinese & Western Medicine, Anhui University of Chinese Medicine, Hefei, 230012, China
- Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, China
| | - Daqiang Wu
- Research Institute of Integrated Traditional Chinese & Western Medicine, Anhui Academy of Chinese Medicine, Hefei, 230012, China
- Department of Pathogenic Biology & Immunology, College of Integrated Chinese & Western Medicine, Anhui University of Chinese Medicine, Hefei, 230012, China
- Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, China
| | - Gaoxiang Shi
- Research Institute of Integrated Traditional Chinese & Western Medicine, Anhui Academy of Chinese Medicine, Hefei, 230012, China
- Department of Pathogenic Biology & Immunology, College of Integrated Chinese & Western Medicine, Anhui University of Chinese Medicine, Hefei, 230012, China
- Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, China
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Xiao G, Liu Y, Chen Y, He Z, Wen Y, Hu M. The Development and Validation of a Predictive Model for Voriconazole-Related Liver Injury in Hospitalized Patients in China. J Clin Med 2023; 12:4254. [PMID: 37445289 DOI: 10.3390/jcm12134254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/13/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Voriconazole is widely used in the treatment and prevention of invasive fungal diseases. Common drug-induced liver injuries increase the economic burdens and the risks of premature drug withdrawal and disease recurrence. This study estimated the disposal cost of voriconazole-related liver injury, explored the risk factors of voriconazole-related liver injury in hospitalized patients, and established a predictive model of liver injury to assist clinicians and pharmacists in estimating the probability or risk of liver injury after voriconazole administration to allow for early identification and intervention in patients at high risk of liver injury. A retrospective study was conducted on the selected inpatients whose blood concentration of voriconazole was measured in the West China Hospital of Sichuan University from September 2016 to June 2020. The incidence and disposal cost of voriconazole-related liver injuries were calculated. The incidence of voriconazole-related liver injury was 15.82% (217/1372). The disposal cost has been converted to 2023 at a discount rate of 5%. The median (P25, P75) disposal cost of severe liver injury (n = 42), general liver injury (n = 175), and non-liver injury (n = 1155) was 993.59 (361.70, 1451.76) Chinese yuan, 0.00 (0.00, 410.48) yuan, and 0.00 (0.00, 0.00) yuan, respectively, with a statistically significant difference (p < 0.001). Single factor analysis and multiple factor logistic regression were used to analyze the risk factors of voriconazole-related liver injury. The voriconazole-related liver injury was related to the trough concentration (Cmin, OR 1.099, 95% CI 1.058-1.140), hypoproteinemia (OR 1.723, 95% CI 1.126-2.636), and transplantation status (OR 0.555, 95% CI 0.325-0.948). The prediction model of liver injury was Logit (P)= -2.219 + 0.094 × Cmin + 0.544 × Hydroproteinemia - 0.589 × Transplantation, and the prediction model nomogram was established. The model validation results showed that the C-index of the derivation set and validation set was 0.706 and 0.733, respectively. The area under the curve (AUC) of the receiver operating characteristic (ROC) curve was 0.705 and 0.733, respectively, indicating that the model had good prediction ability. The prediction model will be helpful to develop clinical individualized medication of voriconazole and to identify and intervene in the cases of patients at high risk of voriconazole-related liver injury early on, in order to reduce the incidence of voriconazole-related liver injuries and the cost of treatment.
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Affiliation(s)
- Guirong Xiao
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yiyao Liu
- West China School of Pharmacy, Sichuan University, Chengdu 610041, China
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yanhua Chen
- Department of Pharmacy, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Zhiyao He
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yan Wen
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Ming Hu
- West China School of Pharmacy, Sichuan University, Chengdu 610041, China
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Tan Y, Lin Q, Yao J, Zhang G, Peng X, Tian J. In vitro outcomes of quercetin on Candida albicans planktonic and biofilm cells and in vivo effects on vulvovaginal candidiasis. Evidences of its mechanisms of action. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 114:154800. [PMID: 37043980 DOI: 10.1016/j.phymed.2023.154800] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 03/29/2023] [Accepted: 04/01/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND AND PURPOSE Candida albicans is a fungus that produces common fungal infection in humans, including vulvovaginal candidiasis (VVC). While quercetin (QC) has potential antifungal activities against C. albicans, studies on the in vivo anti-VVC activity of QC are limited. This study evaluated the antifungal capacity of QC against cultured C. albicans strain SC5314 or in C. albicans-infected mice. METHODS Microdilution and XTT reduction assay were used to determine the minimum inhibitory concentration (MIC) and biofilm formation of QC on C. albicans, respectively. Immunofluorescence was performed to detect the anti-invasive capacity of QC upon co-culturing C. albicans with VK2/E6E7 cells. The potential anti-VVC effects of QC were assessed in C. albicans-infected mice with VVC. Further, inflammatory cytokine levels were determined using ELISA. PAS and Papanicolaou staining were used to detect C. albicans cells and polymorphonuclear leukocytes (PMNs) in vaginal tissues. Western blotting and immunohistochemistry were performed to measure the expression of MAPK, ERK, JUN, and P38. RESULTS MIC and minimal fungicidal concentration (MFC) of QC for C. albicans were 128 μM and > 512 μM, respectively. QC concentration lower than 128 μM (32-128 μM) could not inhibit C. albicans. QC (16 μM) notably inhibited C. albicans biofilm formation and suppressed the adhesion and invasion of C. albicans to VK2/E6E7 cells. In addition, the pharmacokinetic parameters of orally administered QC in mice showed rapid absorption (approximately 1 h) and slow elimination (approximately 6 h). Oral QC showed an effective protective function against C. albicans infection with no toxic effects a in mouse VVC model. QC significantly reduced IL-1α, TNF-α, IL-22 and IL-23 levels in vaginal lavage solution, inhibited invasive C. albicans and PMN infiltration in vaginal tissue, and effectively protected the integrity of vaginal mucosa. CONCLUSIONS The present study showed that QC has rapid oral absorption, slow elimination, good viral distribution, and a lack of toxicity. QC not only inhibited biofilm formation, adhesion, and invasion of C. albicans in vitro, but also ameliorated C. albicans-induced inflammation and protected the integrity of the vaginal mucosa in vivo, suggesting that QC has the potential for the treatment of candidiasis.
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Affiliation(s)
- Yujun Tan
- School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu Province 221116, P R China; State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Qian Lin
- School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu Province 221116, P R China
| | - Jingchun Yao
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Guimin Zhang
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Xue Peng
- School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu Province 221116, P R China.
| | - Jun Tian
- School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu Province 221116, P R China.
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Diniz-Lima I, da Fonseca LM, Dos Reis JS, Decote-Ricardo D, Morrot A, Previato JO, Previato LM, Freire-de-Lima CG, Freire-de-Lima L. Non-self glycan structures as possible modulators of cancer progression: would polysaccharides from Cryptococcus spp. impact this phenomenon? Braz J Microbiol 2023; 54:907-919. [PMID: 36840821 PMCID: PMC10235250 DOI: 10.1007/s42770-023-00936-0] [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: 11/26/2022] [Accepted: 02/15/2023] [Indexed: 02/26/2023] Open
Abstract
Invasive fungal infections (IFI) are responsible for a large number of annual deaths. Most cases are closely related to patients in a state of immunosuppression, as is the case of patients undergoing chemotherapy. Cancer patients are severely affected by the worrisome proportions that an IFI can take during cancer progression, especially in an already immunologically and metabolically impaired patient. There is scarce knowledge about strategies to mitigate cancer progression in these cases, beyond conventional treatment with antifungal drugs with a narrow therapeutic range. However, in recent years, ample evidence has surfaced describing the possible interferences that IFI may have both on the progression of pre-existing cancers and in the induction of newly transformed cells. The leading gambit for modulation of tumor progression comes from the ability of fungal virulence factors to modulate the host's immune system, since they are found in considerable concentrations in the tumor microenvironment during infection. In this context, cryptococcosis is of particular concern, since the main virulence factor of the pathogenic yeast is its polysaccharide capsule, which carries constituents with high immunomodulatory properties and cytotoxic potential. Therefore, we open a discussion on what has already been described regarding the progression of cryptococcosis in the context of cancer progression, and the possible implications that fungal glycan structures may take in both cancer development and progression.
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Affiliation(s)
- Israel Diniz-Lima
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Leonardo Marques da Fonseca
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Jhenifer Santos Dos Reis
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Debora Decote-Ricardo
- Departamento de Microbiologia E Imunologia Veterinária, Instituto de Veterinária, Universidade Federal Rural Do Rio de Janeiro, Rio de Janeiro, 23890-000, Brazil
| | - Alexandre Morrot
- Faculdade de Medicina, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
- Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro, 21040-360, Brazil
| | - Jose Osvaldo Previato
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Lucia Mendonça Previato
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Celio Geraldo Freire-de-Lima
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Leonardo Freire-de-Lima
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil.
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Zhu P, Li Y, Guo T, Liu S, Tancer RJ, Hu C, Zhao C, Xue C, Liao G. New antifungal strategies: drug combination and co-delivery. Adv Drug Deliv Rev 2023; 198:114874. [PMID: 37211279 DOI: 10.1016/j.addr.2023.114874] [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: 03/26/2023] [Revised: 05/12/2023] [Accepted: 05/14/2023] [Indexed: 05/23/2023]
Abstract
The growing occurrence of invasive fungal infections and the mounting rates of drug resistance constitute a significant menace to human health. Antifungal drug combinations have garnered substantial interest for their potential to improve therapeutic efficacy, reduce drug doses, reverse, or ameliorate drug resistance. A thorough understanding of the molecular mechanisms underlying antifungal drug resistance and drug combination is key to developing new drug combinations. Here we discuss the mechanisms of antifungal drug resistance and elucidate how to discover potent drug combinations to surmount resistance. We also examine the challenges encountered in developing such combinations and discuss prospects, including advanced drug delivery strategies.
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Affiliation(s)
- Ping Zhu
- State Key Laboratory of Silkworm Genome Biology, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400700, China
| | - Yan Li
- Beijing Key Laboratory of Antimicrobial Agents, Institute of Medicinal Biotechnology, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Ting Guo
- State Key Laboratory of Silkworm Genome Biology, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400700, China
| | - Simei Liu
- Department of Traditional Chinese Medicine, Chongqing College of Traditional Chinese Medicine, Chongqing 402760, China; Institute of Pharmacology and Toxicology, Chongqing Academy of Chinese Materia Medica, Chongqing 400065, China
| | - Robert J Tancer
- Public Health Research Institute and Department of Microbiology, Biochemistry and Molecular Genetics, New Jersey Medical School, Rutgers University, Newark, NJ, 07103, USA
| | - Changhua Hu
- State Key Laboratory of Silkworm Genome Biology, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400700, China
| | - Chengzhi Zhao
- Chongqing Health Center for Women and Children, Chongqing, 400700, PR China.
| | - Chaoyang Xue
- Public Health Research Institute and Department of Microbiology, Biochemistry and Molecular Genetics, New Jersey Medical School, Rutgers University, Newark, NJ, 07103, USA
| | - Guojian Liao
- State Key Laboratory of Silkworm Genome Biology, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400700, China.
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Abstract
The microbiome may impact cancer development, progression and treatment responsiveness, but its fungal components remain insufficiently studied in this context. In this review, we highlight accumulating evidence suggesting a possible involvement of commensal and pathogenic fungi in modulation of cancer-related processes. We discuss the mechanisms by which fungi can influence tumour biology, locally by activity exerted within the tumour microenvironment, or remotely through secretion of bioactive metabolites, modulation of host immunity and communications with neighbouring bacterial commensals. We examine prospects of utilising fungi-related molecular signatures in cancer diagnosis, patient stratification and assessment of treatment responsiveness, while highlighting challenges and limitations faced in performing such research. In all, we demonstrate that fungi likely constitute important members of mucosal and tumour-residing microbiomes. Exploration of fungal inter-kingdom interactions with the bacterial microbiome and the host and decoding of their causal impacts on tumour biology may enable their harnessing into cancer diagnosis and treatment.
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Affiliation(s)
- Aurelia Saftien
- Microbiome and Cancer Division, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Jens Puschhof
- Microbiome and Cancer Division, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Eran Elinav
- Microbiome and Cancer Division, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Systems Immunology, Weizmann Institute of Science, Rehovot, Israel
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Lower Concentrations of Amphotericin B Combined with Ent-Hardwickiic Acid Are Effective against Candida Strains. Antibiotics (Basel) 2023; 12:antibiotics12030509. [PMID: 36978378 PMCID: PMC10044661 DOI: 10.3390/antibiotics12030509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/17/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
Life-threatening Candida infections have increased with the COVID-19 pandemic, and the already limited arsenal of antifungal drugs has become even more restricted due to its side effects associated with complications after SARS-CoV-2 infection. Drug combination strategies have the potential to reduce the risk of side effects without loss of therapeutic efficacy. The aim of this study was to evaluate the combination of ent-hardwickiic acid with low concentrations of amphotericin B against Candida strains. The minimum inhibitory concentration (MIC) values were determined for amphotericin B and ent-hardwickiic acid as isolated compounds and for 77 combinations of amphotericin B and ent-hardwickiic acid concentrations that were assessed by using the checkerboard microdilution method. Time–kill assays were performed in order to assess the fungistatic or fungicidal nature of the different combinations. The strategy of combining both compounds markedly reduced the MIC values from 16 µg/mL to 1 µg/mL of amphotericin B and from 12.5 µg/mL to 6.25 µg/mL of ent-hardwickiic acid, from isolated to combined, against C. albicans resistant to azoles. The combination of 1 µg/mL of amphotericin B with 6.25 µg/mL of ent-hardwickiic acid killed all the cells of the same strain within four hours of incubation.
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Nakatsugawa E, Naito T, Imoto Y, Shibata K, Ono T, Kawakami J. Characterization of endogenous markers of hepatic function in patients receiving itraconazole treatment for prophylaxis of deep mycosis. J Infect Chemother 2023; 29:244-249. [PMID: 36410672 DOI: 10.1016/j.jiac.2022.11.004] [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: 09/16/2022] [Revised: 11/05/2022] [Accepted: 11/14/2022] [Indexed: 11/21/2022]
Abstract
BACKGROUND Long-term use of itraconazole (ITZ) is associated with a risk of inducing hepatotoxicity. This study aimed to evaluate the associations of plasma concentrations of ITZ and its hydroxylated metabolite (OH-ITZ) with endogenous markers of hepatic function. METHODS Thirty six patients treated with oral ITZ solution for prophylaxis of deep mycosis were enrolled. Plasma concentrations of ITZ and OH-ITZ were determined on the 14th day or later after administration of ITZ. Their associations with endogenous marker levels of hepatic function including plasma coproporphyrin (CP)-I and OATP1B1 genotypes were assessed. RESULTS The serum level of total bilirubin (T-Bil) was moderately correlated with the plasma concentration of total ITZ (tITZ) and OH-ITZ (tOH-ITZ). T-Bil elevation above 0.3 mg/dL was observed in 19% of patients, although statistically significant difference was not identified. The plasma concentration of tITZ had no correlation with other endogenous markers levels including AST, ALT, albumin, and plasma CP-I. The serum AST and plasma CP-I levels were correlated with the plasma concentration of free OH-ITZ (fOH-ITZ). T-Bil and plasma CP-I, a marker of OATP1B1 activity, were not correlated with each other, and neither was associated with the OATP1B1 genotypes. CONCLUSIONS Plasma ITZ and OH-ITZ had a positive association with T-Bil. The patients with a higher fOH-ITZ level had lower OATP1B1 activity on the basis of plasma CP-I level. ITZ and OH-ITZ have the potential to slightly increase endogenous marker levels of hepatic function, although most likely by different mechanisms.
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Affiliation(s)
- Emi Nakatsugawa
- Department of Hospital Pharmacy, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Takafumi Naito
- Department of Hospital Pharmacy, Hamamatsu University School of Medicine, Hamamatsu, Japan; Department of Pharmacy, Shinshu University Hospital, Matsumoto, Nagano, Japan.
| | - Yumi Imoto
- Department of Hospital Pharmacy, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Kaito Shibata
- Department of Hospital Pharmacy, Hamamatsu University School of Medicine, Hamamatsu, Japan; Department of Pharmacy, Shinshu University Hospital, Matsumoto, Nagano, Japan
| | - Takaaki Ono
- Division of Hematology, Internal Medicine 3, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Junichi Kawakami
- Department of Hospital Pharmacy, Hamamatsu University School of Medicine, Hamamatsu, Japan
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Zhong Y, Huang Y, Zhang D, Chen Z, Liu Z, Ye Y. Isolated cryptococcal osteomyelitis of the sacrum in an immunocompetent patient: a case report and literature review. BMC Infect Dis 2023; 23:116. [PMID: 36829132 PMCID: PMC9960465 DOI: 10.1186/s12879-023-08066-6] [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: 11/23/2022] [Accepted: 02/09/2023] [Indexed: 02/26/2023] Open
Abstract
BACKGROUND Cryptococcus neoformans, an opportunistic fungal pathogen, seldom causes infection in immunocompetent people. Cryptococcal osteomyelitis is an uncommon condition in which Cryptococcus invades the bone. It usually occurs as part of a disseminated infection and rarely in isolation. The spine has been reported as the most common site of cryptococcal osteomyelitis; however, isolated case of sacrum involvement in immunocompetent patients has never been reported. CASE PRESENTATION We report the case of a 37-year-old man without underlying disease who presented with progressive low back and sacrococcygeal pain. The patient was initially diagnosed with sacral tumour by a local doctor, and subsequently, after admission, was diagnosed with sacral tuberculosis. He was empirically treated with antitubercular drugs. The patient failed to respond to antitubercular drugs and complained of worsening low back pain. Additionally, he developed persistent radiating pain and numbness in his legs. For further diagnosis, we performed a computed tomography-guided puncture biopsy of the sacrum, which revealed granulomatous inflammation with massive macrophage infiltration and special staining revealed a fungal infection. We performed sacral debridement and drainage and obtained purulent specimens for pathological examination and microbial culture. Microbial identification and drug susceptibility tests revealed a Cryptococcus neoformans infection sensitive to fluconazole. Postoperatively, the persistent radiating pain and numbness in the legs resolved. After 12 consecutive weeks of antifungal therapy, all his symptoms resolved. The patient remained without any signs of recurrence at the 8-month follow-up. CONCLUSION We reported a rare case of isolated sacrum cryptococcal osteomyelitis in an immunocompetent patient. Furthermore, we identified and reviewed 18 published cases of spine cryptococcal osteomyelitis. Immunocompetent individuals are also at risk for cryptococcal osteomyelitis. Clinical manifestation and imaging are insufficient to diagnose cryptococcal osteomyelitis of the spine, and invasive examinations, such as puncture biopsy and fungal examinations, are needed. Antifungal therapy yields satisfactory results for the treatment of cryptococcal osteomyelitis of the spine, however, if the infective lesion is large, especially when it compresses the spinal cord and nerves, a regimen combining aggressive surgery with antifungal therapy is indispensable.
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Affiliation(s)
- Yanchun Zhong
- grid.452437.3Department of Orthopaedics, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000 People’s Republic of China
| | - Yuxi Huang
- Department of Basic Medicine, Gannan Healthcare Vocational College, Ganzhou, 341000 People’s Republic of China
| | - Di Zhang
- grid.452437.3Department of Medical Imaging, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000 People’s Republic of China
| | - Zhaoyuan Chen
- grid.452437.3Department of Orthopaedics, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000 People’s Republic of China
| | - Zhenxing Liu
- grid.452437.3Department of Orthopaedics, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000 People’s Republic of China
| | - Yongjun Ye
- Department of Orthopaedics, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, People's Republic of China.
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In silico prediction of Antifungal compounds from Natural sources towards Lanosterol 14-alpha demethylase (CYP51) using Molecular docking and Molecular dynamic simulation. J Mol Graph Model 2023; 121:108435. [PMID: 36848730 DOI: 10.1016/j.jmgm.2023.108435] [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: 05/11/2022] [Revised: 12/13/2022] [Accepted: 02/14/2023] [Indexed: 02/18/2023]
Abstract
An increase in the occurrence of fungal infections throughout the world, as well as the rise of novel fungal strains and antifungal resistance to commercially available drugs, suggests that new therapeutic choices for fungal infections are needed. The purpose of this research was to find new antifungal candidates or leads of secondary metabolites derived from natural sources that could effectively inhibit the enzymatic activity of Candida albicans lanosterol 14-alpha demethylase (CYP51) while also having good pharmacokinetics. In silico prediction of the drug-likeness, chemo-informatics and enzyme inhibition indicate that the 46 compounds derived from fungi, sponges, plants, bacteria and algae sources have a high novelty to meet all five requirements of Lipinski's rules and impede enzymatic function. Among the 15 candidate molecules with strong binding affinity to CYP51 investigated by molecular docking simulation, didymellamide A-E compounds demonstrated the strongest binding energy against the target protein at -11.14, -11.46, -11.98, -11.98, and -11.50 kcal/mol, respectively. Didymellamide molecules bind to comparable active pocket sites of antifungal ketoconazole and itraconazole medicines by hydrogen bonds forming to Tyr132, Ser378, Met508, His377 and Ser507, and hydrophobic interactions with HEM601 molecule. The stability of the CYP51-ligand complexes was further investigated using molecular dynamics simulations that took into account different geometric features and computed binding free energy. Using the pkCSM ADMET descriptors tool, several pharmacokinetic characteristics and the toxicity of candidate compounds were assessed. The findings of this study revealed that didymellamides could be a promising inhibitor against these CYP51 protein. However, there is still a need for further in vivo and in vitro studies to support these findings.
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Ledoux MP, Herbrecht R. Invasive Pulmonary Aspergillosis. J Fungi (Basel) 2023; 9:jof9020131. [PMID: 36836246 PMCID: PMC9962768 DOI: 10.3390/jof9020131] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/12/2023] [Accepted: 01/15/2023] [Indexed: 01/19/2023] Open
Abstract
Invasive pulmonary aspergillosis is growing in incidence, as patients at risk are growing in diversity. Outside the classical context of neutropenia, new risk factors are emerging or newly identified, such as new anticancer drugs, viral pneumonias and hepatic dysfunctions. Clinical signs remain unspecific in these populations and the diagnostic work-up has considerably expanded. Computed tomography is key to assess the pulmonary lesions of aspergillosis, whose various features must be acknowledged. Positron-emission tomography can bring additional information for diagnosis and follow-up. The mycological argument for diagnosis is rarely fully conclusive, as biopsy from a sterile site is challenging in most clinical contexts. In patients with a risk and suggestive radiological findings, probable invasive aspergillosis is diagnosed through blood and bronchoalveolar lavage fluid samples by detecting galactomannan or DNA, or by direct microscopy and culture for the latter. Diagnosis is considered possible with mold infection in lack of mycological criterion. Nevertheless, the therapeutic decision should not be hindered by these research-oriented categories, that have been completed by better adapted ones in specific settings. Survival has been improved over the past decades with the development of relevant antifungals, including lipid formulations of amphotericin B and new azoles. New antifungals, including first-in-class molecules, are awaited.
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de Almeida Campos L, Fin MT, Santos KS, de Lima Gualque MW, Freire Cabral AKL, Khalil NM, Fusco-Almeida AM, Mainardes RM, Mendes-Giannini MJS. Nanotechnology-Based Approaches for Voriconazole Delivery Applied to Invasive Fungal Infections. Pharmaceutics 2023; 15:pharmaceutics15010266. [PMID: 36678893 PMCID: PMC9863752 DOI: 10.3390/pharmaceutics15010266] [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: 11/18/2022] [Revised: 12/09/2022] [Accepted: 12/20/2022] [Indexed: 01/15/2023] Open
Abstract
Invasive fungal infections increase mortality and morbidity rates worldwide. The treatment of these infections is still limited due to the low bioavailability and toxicity, requiring therapeutic monitoring, especially in the most severe cases. Voriconazole is an azole widely used to treat invasive aspergillosis, other hyaline molds, many dematiaceous molds, Candida spp., including those resistant to fluconazole, and for infections caused by endemic mycoses, in addition to those that occur in the central nervous system. However, despite its broad activity, using voriconazole has limitations related to its non-linear pharmacokinetics, leading to supratherapeutic doses and increased toxicity according to individual polymorphisms during its metabolism. In this sense, nanotechnology-based drug delivery systems have successfully improved the physicochemical and biological aspects of different classes of drugs, including antifungals. In this review, we highlighted recent work that has applied nanotechnology to deliver voriconazole. These systems allowed increased permeation and deposition of voriconazole in target tissues from a controlled and sustained release in different routes of administration such as ocular, pulmonary, oral, topical, and parenteral. Thus, nanotechnology application aiming to delivery voriconazole becomes a more effective and safer therapeutic alternative in the treatment of fungal infections.
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Affiliation(s)
- Laís de Almeida Campos
- Pharmaceutical Nanotechnology Laboratory, Department of Pharmacy, Midwest State University (UNICENTRO), Alameda Élio Antonio Dalla Vecchia St, 838, Guarapuava 85040-167, PR, Brazil
| | - Margani Taise Fin
- Pharmaceutical Nanotechnology Laboratory, Department of Pharmacy, Midwest State University (UNICENTRO), Alameda Élio Antonio Dalla Vecchia St, 838, Guarapuava 85040-167, PR, Brazil
| | - Kelvin Sousa Santos
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Rodovia Araraquara Jaú, Km 01, Araraquara 14801-902, SP, Brazil
| | - Marcos William de Lima Gualque
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Rodovia Araraquara Jaú, Km 01, Araraquara 14801-902, SP, Brazil
| | - Ana Karla Lima Freire Cabral
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Rodovia Araraquara Jaú, Km 01, Araraquara 14801-902, SP, Brazil
| | - Najeh Maissar Khalil
- Pharmaceutical Nanotechnology Laboratory, Department of Pharmacy, Midwest State University (UNICENTRO), Alameda Élio Antonio Dalla Vecchia St, 838, Guarapuava 85040-167, PR, Brazil
| | - Ana Marisa Fusco-Almeida
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Rodovia Araraquara Jaú, Km 01, Araraquara 14801-902, SP, Brazil
| | - Rubiana Mara Mainardes
- Pharmaceutical Nanotechnology Laboratory, Department of Pharmacy, Midwest State University (UNICENTRO), Alameda Élio Antonio Dalla Vecchia St, 838, Guarapuava 85040-167, PR, Brazil
- Correspondence: (R.M.M.); (M.J.S.M.-G.)
| | - Maria José Soares Mendes-Giannini
- Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Rodovia Araraquara Jaú, Km 01, Araraquara 14801-902, SP, Brazil
- Correspondence: (R.M.M.); (M.J.S.M.-G.)
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Rakhshan A, Rahmati Kamel B, Saffaei A, Tavakoli-Ardakani M. Hepatotoxicity Induced by Azole Antifungal Agents: A Review Study. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2023; 22:e130336. [PMID: 38116543 PMCID: PMC10728840 DOI: 10.5812/ijpr-130336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/31/2023] [Accepted: 02/21/2023] [Indexed: 12/21/2023]
Abstract
Context Fungal infections are very common, and several medications are used to treat them. Azoles are prescribed widely to treat fungal infections. In addition to therapeutic effects, any drug can be accompanied by side effects in patients. One of the most important complications in this regard is liver injury. Therefore, hepatotoxicity induced by azole antifungal drugs were reviewed in this study. Evidence Acquisition English scientific papers were evaluated to review the effects of hepatotoxicity by azole antifungal agents, and the related studies' results were summarized using a table. The systematic search was implemented on electronic databases, including PubMed, Google Scholar, and Science Direct. Original articles and review articles that were published before April 1, 2022, were included in the study. Those articles without available full text or non-English articles were excluded. Also, articles that reported pediatric data were excluded. Results Most studies have reported the effects of hepatotoxicity by azole antifungal agents, and their mechanisms have been described. Conclusions Clinical evaluations regarding the hepatotoxicity of antifungal agents provided in the literature were reviewed. Therefore, it is recommended to prescribe these drugs with caution in high-risk patients suffering from liver diseases, and patients should be monitored for hepatotoxicity. However, more research is needed to evaluate the hepatotoxicity of azole antifungal agents and select appropriate drugs according to cost-effectiveness and the side effects' profiles, relying on lower incidence of this liver complication.
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Affiliation(s)
- Amin Rakhshan
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bardia Rahmati Kamel
- Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Saffaei
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maria Tavakoli-Ardakani
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Pharmaceutical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Liu W, Li M, Tian B, Yang X, Du W, Wang X, Zhou H, Ding C, Sai S. Calcofluor white-cholesteryl hydrogen succinate conjugate mediated liposomes for enhanced targeted delivery of voriconazole into Candida albicans. Biomater Sci 2023; 11:307-321. [DOI: 10.1039/d2bm01263d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
A nano antifungal-drug delivery system is designed to increase voriconazole efficacy by specifically binding to chitin in the fungal cell wall.
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Affiliation(s)
- Wei Liu
- School of Pharmacy, Binzhou Medical University, Yantai, Shandong, 264003, China
| | - Mengshun Li
- School of Pharmacy, Binzhou Medical University, Yantai, Shandong, 264003, China
| | - Baocheng Tian
- School of Pharmacy, Binzhou Medical University, Yantai, Shandong, 264003, China
| | - Xuesong Yang
- School of Pharmacy, Binzhou Medical University, Yantai, Shandong, 264003, China
| | - Wei Du
- College of Life and Health Science, Northeastern University, Shenyang, 110015, China
| | - Xiuwen Wang
- School of Pharmacy, Binzhou Medical University, Yantai, Shandong, 264003, China
| | - Huihui Zhou
- Department of Pathology, Affiliated Yuhuangding Hospital of Qingdao University, Yantai, Shandong 266071, China
| | - Chen Ding
- College of Life and Health Science, Northeastern University, Shenyang, 110015, China
| | - Sixiang Sai
- School of Pharmacy, Binzhou Medical University, Yantai, Shandong, 264003, China
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Dynamic nitric oxide/drug codelivery system based on polyrotaxane architecture for effective treatment of Candida albicans infection. Acta Biomater 2023; 155:618-634. [PMID: 36371005 DOI: 10.1016/j.actbio.2022.11.006] [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: 07/25/2022] [Revised: 11/01/2022] [Accepted: 11/03/2022] [Indexed: 11/11/2022]
Abstract
The low permeability of antifungal agents to fungal biofilms, which allows the continued survival of the fungus inside, is a key issue that makes fungal infections difficult to cure. Inspired by the unique dynamic molecule motion properties of the polyrotaxane (PR) nanomedicine, herein, a dynamic delivery system Clo@mPRP/NONOate was fabricated by co-loading nitric oxide (NO) and the antifungal drug clotrimazole (Clo) onto the α-cyclodextrin (α-CD) PR modified mesoporous polydopamine (mPDA) nanoparticles, in which pentaethylenehexamine (PEHA) was grafted to α-CDs. The cationic α-CDs endowed this dynamic NO/Clo codelivery system with the ability to effectively attach to fungal biofilms through electrostatic interaction, while the introduction of PRs with flexible molecule motion (slide and rotation of CDs) enhanced the permeability of nanoparticles to biofilms. Meanwhile, NO could effectively inhibit the formation of fungal hyphae, showing an dissipating effect on mature biofilms, and could be further combined with Clo to completely eradicate fungi inside the biofilms. In addition, the dynamic system Clo@mPRP/NONOate could efficiently and synergistically eliminate planktonic Candida albicans (C. albicans) in a safe and no toxic side effect manner, and effectively cured C. albicans-induced vaginal infection in mice. Therefore, this dynamic NO/Clo codelivery system provided an effective solution to the clinical treatment of C. albicans-induced vaginal infection, and the application prospect could even be extended to other microbial infectious diseases. STATEMENT OF SIGNIFICANCE: A dynamic codelivery system based on cationized cyclodextrin polyrotaxane combining nitric oxide and antifungal drugs clotrimazole was prepared to deal with the issue of clinical fungal biofilm infection. This dynamic codelivery system could be attached to the Candida albicans biofilms and penetrate into biofilm via flexible molecular mobility to effectively eradicate the fungi. This dynamic codelivery system could synergistically and efficiently eliminate planktonic-state Candida albicans, but did not show significant cytotoxicity to normal somatic cells.
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Chai S, Zhan JL, Zhao LM, Liu XD. Safety of triazole antifungals: a pharmacovigilance study from 2004 to 2021 based on FAERS. Ther Adv Drug Saf 2022; 13:20420986221143266. [PMID: 36545565 PMCID: PMC9761248 DOI: 10.1177/20420986221143266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 11/15/2022] [Indexed: 12/23/2022] Open
Abstract
Background Triazole antifungals are widely used as broad-spectrum antifungal activity; however, there are many undetected and unreported adverse events (AEs). Methods Data from the Food and Drug Administration Adverse Event Reporting System (FAERS) from the first quarter (Q1) of 2004 to the third quarter (Q3) of 2021 were selected for disproportionality analysis to assess the connection between antifungal triazoles, and AEs and important medical events (IMEs). Results A total of 22,566 records associated with triazole antifungals were identified, with 9584 triazole antifungal-IME pairs. The following system organ classes (SOCs) appeared as significant signals: 'Endocrine disorders' [reported odds ratio (ROR) = 167.94], 'Metabolism and nutrition disorders' (ROR = 46.30), and 'Skin and subcutaneous tissue disorders' (ROR = 21.37). Strong signals were observed with respiratory failure, rash, hepatic function abnormal, and hypokalemia. Uncommon security signals included a change in the QT interval, neurotoxicity, pseudoaldosteronism, and hallucinations. Conclusion Various triazole antifungals cause AEs of different types and intensities of association. Our results are broadly consistent with prescribing information and previous studies; however, additional pharmacoepidemiological studies are required to verify AEs with modest incidence but high signal. Plain Language Summary A study on the adverse effects of triazole antifungals Introduction: The triazole antifungals we studied include fluconazole, itraconazole, voriconazole, posaconazole, and isavuconazole. Triazole antifungals are widely used as broad-spectrum antifungals; however, there are many undetected and unreported adverse events (AEs).Materials and Methods: The Food and Drug Administration Adverse Event Reporting System (FAERS) database contains AEs reported to the FDA by different countries regarding post-marketing drugs. Through the FAERS database, we retrieved a total of 22,566 AE reports related to triazole antifungals. We not only counted information about patients' gender, age, weight, reporting country, outcome indicators, and indications but also analyzed the system organ classes (SOCs) of AEs, and the number of reported drug-related AEs and the degree of relevance.Results: We found a total of 22,566 records related to triazole antifungal agents, of which 9584 reports made important medical events (IMEs) about triazole antifungal agents, which are serious AEs. The following SOCs appear as important signals: 'endocrine disorders', 'metabolic and nutritional disorders', and 'skin and subcutaneous tissue disorders'. Triazole antifungals produce AEs, such as respiratory failure, rash, hepatic function abnormal, and hypokalemia. They also produce uncommon AEs, including changes in the QT interval, neurotoxicity, pseudoaldosteronism, and hallucinations.Conclusion: By analyzing data from the FAERS database, we identified more AEs associated with these five triazole antifungals than were indicated in the instructions and our findings provide additional insight into triazole-related AEs to inform clinicians before and during treatment.
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Affiliation(s)
- Shuang Chai
- Department of Pharmacy, Shengjing Hospital of
China Medical University, Shenyang, China,Department of the Second Clinical Pharmacy,
School of Pharmacy, China Medical University, Shenyang, China
| | - Jing-Lun Zhan
- Department of Pharmacy, Shengjing Hospital of
China Medical University, Shenyang, China,Department of the Second Clinical Pharmacy,
School of Pharmacy, China Medical University, Shenyang, China
| | - Li-Mei Zhao
- Department of Pharmacy, Shengjing Hospital of
China Medical University, Shenyang, China,Department of the Second Clinical Pharmacy,
School of Pharmacy, China Medical University, Shenyang, China
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Zhou J, Wei Z, Xu B, Liu M, Xu R, Wu X. Pharmacovigilance of triazole antifungal agents: Analysis of the FDA adverse event reporting system (FAERS) database. Front Pharmacol 2022; 13:1039867. [PMID: 36588707 PMCID: PMC9798094 DOI: 10.3389/fphar.2022.1039867] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022] Open
Abstract
Triazole antifungal drugs (TAD) are widely used to treat invasive fungal infections due to their broad antifungal spectrum and low toxicity. Despite their preference in the clinic, multiple Adverse Events (AE) are still reported each year. OBJECTIVE We aimed to characterize the distribution of Adverse Events associated with Triazole antifungal drugs in different systems and to identify Important Medical Events (IME) signals for Triazole antifungal drugs. METHODS The U.S. Food and Drug Administration Adverse Event Reporting System (FAERS) was queried for Adverse Events related to Triazole antifungal drugs from 2012 to 2022. The Adverse Events caused by all other drugs and non-TAD antifungal drugs were analyzed as references. Reporting odds ratio and Bayesian confidence propagation neural network of information components were used to evaluate the association between Triazole antifungal drugs and Important Medical Events. Visual signal spectrum is mapped to identify potential adverse reaction signals. RESULTS Overall, 10,262 Adverse Events were reported to be associated with Triazole antifungal drugs, of which 5,563 cases were defined as Important Medical Events. Common adverse drug reactions (ADR) mentioned in the instructions such as delirium and hypokalemia were detected, as well as unlabeled ADRs such as rhabdomyolysis and hepatitis fulminant. Cholestasis, drug-induced liver injury, QT interval prolongation and renal impairment have notable signals in all Triazole antifungal drugs, with 50 percent of patients developing a severe clinical outcome. Isavuconazole had the lowest signal intensity and demonstrated a superior safety profile. CONCLUSION Most results are generally consistent with previous studies and are documented in the prescribing instructions, but some IMEs are not included, such as hepatitis fulminant. Additional pharmaco-epidemiological or experimental studies are required to validate the small number of unlabeled ADRs. TAD-related Important Medical Eventshave a considerable potential to cause clinically serious outcomes. Clinical use of Triazole antifungal drugs requires more attention.
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Affiliation(s)
- Jianxing Zhou
- Department of Pharmacy, Fujian Medical University Union Hospital, Fuzhou, Fujian, China,School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Zipeng Wei
- Department of Pharmacy, Fujian Medical University Union Hospital, Fuzhou, Fujian, China,School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Baohua Xu
- Department of Pharmacy, Fujian Medical University Union Hospital, Fuzhou, Fujian, China,School of Pharmacy, Fujian Medical University, Fuzhou, Fujian, China
| | - Maobai Liu
- Department of Pharmacy, Fujian Medical University Union Hospital, Fuzhou, Fujian, China
| | - Ruichao Xu
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, United States
| | - Xuemei Wu
- Department of Pharmacy, Fujian Medical University Union Hospital, Fuzhou, Fujian, China,*Correspondence: Xuemei Wu,
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Maertens J, Pagano L, Azoulay E, Warris A. Liposomal amphotericin B-the present. J Antimicrob Chemother 2022; 77:ii11-ii20. [PMID: 36426672 PMCID: PMC9693760 DOI: 10.1093/jac/dkac352] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Most invasive fungal infections are opportunistic in nature but the epidemiology is constantly changing, with new risk groups being identified. Neutropenia is a classical risk factor for fungal infections, while critically ill patients in the ICU are now increasingly at risk of yeast and mould infections. Factors to be considered when choosing antifungal treatment include the emergence of rarer fungal pathogens, the risk of resistance to azoles and echinocandins and the possibility of drug-drug interactions. Liposomal amphotericin B has retained its place in the therapeutic armamentarium based on its clinical profile: a broad spectrum of antifungal activity with a low risk of resistance, predictable pharmacokinetics with a rapid accumulation at the infection site (including biofilms), a low potential for drug-drug interactions and a low risk of acute and chronic treatment-limiting toxicities versus other formulations of amphotericin B. It is a suitable choice for the first-line empirical or pre-emptive treatment of suspected fungal infections in neutropenic haematology patients and is an excellent alternative for patients with documented fungal disease who can no longer tolerate or continue their first-line azole or echinocandin therapy, both in the haematology setting and in the ICU. Moreover, it is the first-line drug of choice for the treatment of invasive mucormycosis. Finally, liposomal amphotericin B is one of the few antifungal agents approved for use in children of all ages over 1 month and is included in paediatric-specific guidelines for the management of fungal disease.
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Affiliation(s)
- J Maertens
- Department of Hematology, University Hospital Gasthuisberg, KU Leuven, Leuven, Belgium.,Department of Microbiology, Immunology, and Transplantation, KU Leuven, Leuven, Belgium
| | - L Pagano
- Sezione di Ematologia, Fondazione Policlinico Universitario Agostino Gemelli-IRCCS-Università Cattolica del Sacro Cuore, Rome, Italy
| | - E Azoulay
- Médecine Intensive et Réanimation, Hôpital Saint-Louis, APHP, University of Paris, Paris, France
| | - A Warris
- MRC Centre for Medical Mycology, University of Exeter, Exeter, UK.,Great Ormond Street Hospital, Paediatric Infectious Diseases Unit, London, UK
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