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Tamura K, Nakaharai K, Yoshida M. Frequent premature ventricular contractions induced by fluconazole: A case report. IDCases 2024; 36:e01952. [PMID: 38659621 PMCID: PMC11040133 DOI: 10.1016/j.idcr.2024.e01952] [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: 10/28/2023] [Revised: 02/17/2024] [Accepted: 04/14/2024] [Indexed: 04/26/2024] Open
Abstract
Introduction Fluconazole is commonly used to treat and prevent fungal infections caused by Candida and Cryptococcus species. Although there have been reports of fatal arrhythmias induced by fluconazole, such as torsades de pointes, there have been minimal reports of mild, non-fatal arrhythmias associated with it, which may have been overlooked in clinical practice. We encountered a case of frequent premature ventricular contractions induced by fluconazole during the treatment of HIV-related pulmonary cryptococcosis. Herein, we report a case of frequent premature ventricular contractions (PVCs) induced by fluconazole, along with a literature review. Case presentation A 47-year-old man diagnosed with human immunodeficiency virus-related pulmonary cryptococcosis experienced an irregular heartbeat during antifungal therapy with fluconazole at 400 mg once daily. A 12-lead electrocardiogram was conducted, which displayed frequent unifocal PVCs originating in the right ventricular outflow tract without QT prolongation. After reducing the dose of fluconazole to 200 mg once daily, the patient's symptoms slightly improved, and PVC frequency decreased on a 12-lead ECG; however, PVCs did not disappear. After discontinuing fluconazole, the symptoms improved, and a follow-up 12-lead electrocardiogram showed no PVCs. Conclusions We encountered the case of frequent PVCs induced by fluconazole during the treatment of human immunodeficiency virus-related pulmonary cryptococcosis. Furthermore, it was suggested that the PVC frequency was dose-dependent for fluconazole. Careful follow-up for new-onset arrhythmias and ECG evaluations are essential before and after fluconazole administration.
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Affiliation(s)
- Kumi Tamura
- Department of Infectious Diseases and Infection Control, Jikei University School of Medicine, Tokyo, Japan
| | - Kazuhiko Nakaharai
- Department of Infectious Diseases and Infection Control, Jikei University School of Medicine, Tokyo, Japan
| | - Masaki Yoshida
- Department of Infectious Diseases and Infection Control, Jikei University School of Medicine, Tokyo, Japan
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Anjos LRBD, Costa VAF, Neves BJ, Junqueira-Kipnis AP, Kipnis A. Repurposing miconazole and tamoxifen for the treatment of Mycobacterium abscessus complex infections through in silico chemogenomics approach. World J Microbiol Biotechnol 2023; 39:273. [PMID: 37553519 DOI: 10.1007/s11274-023-03718-w] [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: 06/22/2023] [Accepted: 07/28/2023] [Indexed: 08/10/2023]
Abstract
Drug repositioning is an alternative to overcome the complexity of the drug discovery and approval procedures for the treatment of Mycobacterium abscessus Complex (MABSC) infections that are increasing globally due to the emergency of antimicrobial resistance mechanisms. Here, an in silico chemogenomics approach was performed to compare the sequences from 4942 M. abscessus subsp. abscessus (M. abscessus) proteins with 5258 or 3473 therapeutic targets registered in the DrugBank or Therapeutic Target Database, respectively. This comparison identified 446 drugs or drug candidates whose targets were homologous to M. abscessus proteins. These identified drugs were considered potential inhibitors of MABSC (anti-MABSC activity). Further screening and inspection resulted in the selection of ezetimibe, furosemide, itraconazole, miconazole (MCZ), tamoxifen (TAM), and thiabendazole (THI) for experimental validation. Among them, MCZ and TAM showed minimum inhibitory concentrations (MIC) of 32 and 24 µg mL-1 against M. abscessus, respectively. For M. bolletii and M. massiliense strains, MCZ and TAM showed MICs of 16 and 24 µg mL-1, in this order. Subsequently, the antibacterial activity of MCZ was confirmed in vivo, indicating its potential to reduce the bacterial load in the lungs of infected mice. These results show that MCZ and TAM can serve as molecular scaffolds for the prospective hit-2-lead optimization of new analogs with greater potency, selectivity, and permeability.
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Affiliation(s)
| | | | - Bruno Junior Neves
- Faculty of Pharmacy, Laboratory of Cheminformatics (LabChem), Federal University of Goiás, Goiânia, Goiás, Brazil
| | | | - André Kipnis
- Department of Biosciences and Technology, Federal University of Goiás, Goiânia, Goiás, Brazil.
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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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Malcolm EL, Saunders AB, Vitt JP, Boutet BG, Hamer SA. Antiparasitic treatment with itraconazole and amiodarone in 2 dogs with severe, symptomatic Chagas cardiomyopathy. J Vet Intern Med 2022; 36:1100-1105. [PMID: 35388923 PMCID: PMC9151465 DOI: 10.1111/jvim.16422] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 03/14/2022] [Accepted: 03/25/2022] [Indexed: 01/06/2023] Open
Abstract
Chagas cardiomyopathy, caused by the protozoal parasite Trypanosoma cruzi, is characterized by arrhythmias, myocardial damage, heart failure, and sudden death. We describe 2 dogs with severe, symptomatic Chagas cardiomyopathy characterized by myocardial dysfunction and electrocardiographic abnormalities that were managed with a combination of cardiac medications and antiparasitic treatment with itraconazole and amiodarone. Both dogs died suddenly within 6 months of diagnosis. These cases highlight the need for early detection of Chagas disease in dogs and continued research to develop effective antiparasitic treatment protocols.
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Affiliation(s)
- Elizabeth L Malcolm
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - Ashley B Saunders
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA
| | - Jordan P Vitt
- Heart of Veterinary Cardiology PLLC, Seattle, Washington, USA
| | - Bruno G Boutet
- Caring Hearts Veterinary Cardiology, Grande-Digue, New Brunswick, Canada
| | - Sarah A Hamer
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, USA
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Weber GC, Firouzi P, Baran AM, Bölke E, Schrumpf H, Buhren BA, Homey B, Gerber PA. Treatment of onychomycosis using a 1064-nm diode laser with or without topical antifungal therapy: a single-center, retrospective analysis in 56 patients. Eur J Med Res 2018; 23:53. [PMID: 30355363 PMCID: PMC6199788 DOI: 10.1186/s40001-018-0340-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 09/07/2018] [Indexed: 11/10/2022] Open
Abstract
Background Currently available treatment options for onychomycosis such as topical and systemic antifungals are often of limited efficacy, difficult to administer or associated with relevant side effects. Non-ablative laser therapy is proposed to represent a safe alternative without the disadvantages of drugs. Yet, to date, the efficacy of laser therapy for onychomycosis is discussed controversially. Against this background, we performed a systematic retrospective analysis of our clinical experience of 4 years of onychomycosis treatment applying a long-pulsed 1.064-nm diode laser. Methods We retrospectively evaluated the records of 56 patients with microscopic and culturally proven onychomycosis affecting a toenail of the hallux and other toes, who had been treated with a long-pulsed 1.064-nm diode laser (FOX, A.C.R. Laser GmbH, Nuremberg) during the time period of July 2013–December 2016 with or without concomitant topical antifungals. Thereof, 27 patients received laser treatment and 29 patients received laser treatment in combination with local antifungals. We conducted a mean of 3.9 laser treatments at 2–6-week intervals. The primary endpoint of our analysis was clinical improvement; secondary endpoints were complete remission of fungal pathogens in fungal culture and in microscopy. Results Clinical improvement was achieved in 56% of patients treated with laser only after a mean of 4.5 treatments and in 69% of patients treated with laser in combination with topical antifungals after a mean of 3.6 treatments. Cultural healing was detected in 63% of patients treated with laser only after a mean of 5.4 treatments, vs. 86% of patients treated with laser and concomitant topical antifungals after a mean of 4.8 treatments. Microscopic healing (complete healing) with the absence of fungal pathogens was achieved in 11% of patients after a mean of 4.7 treatments with laser only, vs. 21% of patients treated with laser and concomitant topical antifungals after a mean of 4 treatments. No relevant adverse effects were observed. Conclusions The 1.064-nm diode laser is an effective and safe option for the treatment of onychomycosis. Of note, the combination with topical antifungals will increase overall treatment efficacy and reduce the time to healing. Particularly, patients with contraindications against systemic antifungals may benefit from this multimodal therapeutic approach. Our data, moreover, suggest that treatment efficacy is positively correlated with the total number of laser treatments.
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Affiliation(s)
- G C Weber
- Department of Dermatology, Heinrich-Heine-University, 40225, Düsseldorf, Germany
| | - P Firouzi
- Department of Dermatology, Heinrich-Heine-University, 40225, Düsseldorf, Germany
| | - A M Baran
- Department of Dermatology, Heinrich-Heine-University, 40225, Düsseldorf, Germany
| | - E Bölke
- Department of Radiation Oncology, Heinrich-Heine-University, 40225, Düsseldorf, Germany
| | - H Schrumpf
- Department of Dermatology, Heinrich-Heine-University, 40225, Düsseldorf, Germany
| | - B A Buhren
- Department of Dermatology, Heinrich-Heine-University, 40225, Düsseldorf, Germany
| | - B Homey
- Department of Dermatology, Heinrich-Heine-University, 40225, Düsseldorf, Germany
| | - P A Gerber
- Department of Dermatology, Heinrich-Heine-University, 40225, Düsseldorf, Germany.
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Page RL, O'Bryant CL, Cheng D, Dow TJ, Ky B, Stein CM, Spencer AP, Trupp RJ, Lindenfeld J. Drugs That May Cause or Exacerbate Heart Failure: A Scientific Statement From the American Heart Association. Circulation 2016; 134:e32-69. [PMID: 27400984 DOI: 10.1161/cir.0000000000000426] [Citation(s) in RCA: 259] [Impact Index Per Article: 32.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Heart failure is a common, costly, and debilitating syndrome that is associated with a highly complex drug regimen, a large number of comorbidities, and a large and often disparate number of healthcare providers. All of these factors conspire to increase the risk of heart failure exacerbation by direct myocardial toxicity, drug-drug interactions, or both. This scientific statement is designed to serve as a comprehensive and accessible source of drugs that may cause or exacerbate heart failure to assist healthcare providers in improving the quality of care for these patients.
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Dietz AJ, Barnard JC, van Rossem K. A randomized, double-blind, multiple-dose, placebo-controlled, dose escalation study with a 3-cohort parallel group design to investigate the tolerability and pharmacokinetics of albaconazole in healthy subjects. Clin Pharmacol Drug Dev 2013; 3:25-33. [DOI: 10.1002/cpdd.72] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2012] [Accepted: 07/12/2013] [Indexed: 11/10/2022]
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Rimawi BH, Rimawi RH, Mirdamadi M, Steed LL, Marchell R, Sutton DA, Thompson EH, Wiederhold NP, Lindner JR, Boger MS. A case of Exophiala oligosperma successfully treated with voriconazole. Med Mycol Case Rep 2013; 2:144-7. [PMID: 24432241 PMCID: PMC3885957 DOI: 10.1016/j.mmcr.2013.08.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Revised: 08/27/2013] [Accepted: 08/30/2013] [Indexed: 11/27/2022] Open
Abstract
Exophiala oligosperma is an uncommon pathogen associated with human infections, predominantly in immunocompromised hosts. Case reports of clinical infections related to E. oligosperma have been limited to 6 prior publications, all of which have shown limited susceptibility to conventional antifungal therapies, including amphotericin B, itraconazole, and fluconazole. We describe the first case of an E. oligosperma induced soft-tissue infection successfully treated with a 3-month course of voriconazole without persisting lesions.
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Affiliation(s)
- Bassam H Rimawi
- Medical University of South Carolina, Charleston, SC 29414, USA
| | - Ramzy H Rimawi
- Brody School of Medicine - East Carolina University, Greenville, NC 27834, USA
| | - Meena Mirdamadi
- Medical University of South Carolina, Charleston, SC 29414, USA
| | - Lisa L Steed
- Medical University of South Carolina, Charleston, SC 29414, USA
| | | | - Deanna A Sutton
- University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - Elizabeth H Thompson
- University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - Nathan P Wiederhold
- University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - Jonathan R Lindner
- University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - M Sean Boger
- Medical University of South Carolina, Charleston, SC 29414, USA
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Overinfection by Paracoccidioides brasiliensis in Gouty Crystal Arthritis. Case Rep Med 2012; 2012:128103. [PMID: 23251162 PMCID: PMC3509375 DOI: 10.1155/2012/128103] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2012] [Accepted: 10/16/2012] [Indexed: 11/24/2022] Open
Abstract
Paracoccidioidomycosis is an endemic South American systemic mycosis caused by the dimorphic fungus Paracoccidioides brasiliensis (P. brasiliensis). The main clinical form of disease is pulmonary, but all organs may be involved. We report a case of overinfection by P. brasiliensis in chronic gouty arthritis affecting the proximal phalanx of the right hallux. The patient required proximal amputation and long-term antifungal therapy.
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Tsimogianni AM, Andrianakis I, Betrosian A, Douzinas E. Cardiac arrest provoked by itraconazole and amiodarone interaction: a case report. J Med Case Rep 2011; 5:333. [PMID: 21801420 PMCID: PMC3161953 DOI: 10.1186/1752-1947-5-333] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2010] [Accepted: 07/29/2011] [Indexed: 11/10/2022] Open
Abstract
Introduction Azoles, and specifically itraconazole, are often prescribed for the treatment of fungal diseases or empirically for persistent sepsis in patients who are neutropenic or in intensive care. Occasional cardiovascular adverse events have been associated with itraconazole use, and are usually attributed to the interaction of itraconazole with cisapride, terfenadine or digoxin. Its interaction with amiodarone has not been previously described. Case presentation A 65-year-old Caucasian man was admitted to the Intensive Care Unit at our facility for an extensive ischemic stroke associated with atrial fibrillation. Due to rapid ventricular response he was started on intravenous amiodarone and few days later itraconazole was also prescribed for presumed candidemia. After receiving the first dose our patient became profoundly hypotensive but responded rapidly to fluids and adrenaline. Then, two months later, itraconazole was again prescribed for confirmed fungemia. After receiving the first dose via a central venous catheter our patient became hypotensive and subsequently arrested. He was resuscitated successfully, and as no other cause was identified the arrest was attributed to septic shock and his antifungal treatment was changed to caspofungin. When sensitivity test results became available, antifungal treatment was down-staged to itraconazole and immediately after drug administration our patient suffered another arrest and was once again resuscitated successfully. This time the arrest was related to itraconazole, which was discontinued, and from then on our patient remained stable until his discharge to our neurology ward. Conclusions Itraconazole and amiodarone coadministration can lead to serious cardiovascular adverse events in patients who are critically ill. Intensivists, pharmacists and medical physicians should be aware of the interaction of these two commonly used drugs.
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Affiliation(s)
- Angeliki M Tsimogianni
- Third Intensive Care Department, Evgenidion Hospital, 20 Papadiamantopoulou Street, 11528, Athens, Greece.
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Paleiron N, Bizien N, Vinsonneau U, Andre M, Grassin F. Insuffisance cardiaque aiguë sous itraconazole : une complication prévisible ? Rev Mal Respir 2011; 28:352-4. [DOI: 10.1016/j.rmr.2010.08.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2010] [Accepted: 08/03/2010] [Indexed: 11/26/2022]
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Antifungal therapies in murine disseminated phaeohyphomycoses caused by Exophiala species. J Antimicrob Chemother 2010; 65:1455-9. [DOI: 10.1093/jac/dkq171] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Carrillo-Muñoz AJ, Tur-Tur C, Hernández-Molina JM, Santos P, Cárdenes D, Giusiano G. [Antifungal agents for onychomycoses]. Rev Iberoam Micol 2010; 27:49-56. [PMID: 20346303 DOI: 10.1016/j.riam.2010.01.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2009] [Revised: 01/17/2010] [Accepted: 01/21/2010] [Indexed: 11/29/2022] Open
Abstract
Nail fungal infections are considered one of the major dermatological problems due to their high rate of therapeutic failure, management and treatment difficulties. Long-term treatments, inadequate therapies, mycological misdiagnosis and follow-up, secondary alterations of the nail, and resistant microorganisms, are some of the causes of these complications. Although the discovery of new antifungal agents has provided some effective molecules, none of the current available drugs are totally effective. It is important to continue researching in this field to provide new antifungal agents and combined therapies.
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Chen J, Song X, Yang P, Wang J. Appearance of anaphylactic shock after long-term intravenous itraconazole treatment. Ann Pharmacother 2009; 43:537-41. [PMID: 19261964 DOI: 10.1345/aph.1l343] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE To report a rare but severe adverse effect of intravenous itraconazole, anaphylactic shock with hypotension and hypoxemia, in a female patient with acute lymphoblastic leukemia (ALL). CASE SUMMARY A 36-year-old woman with ALL received antifungal therapy for pulmonary fungal infections. On day 17 of itraconazole treatment, she developed hypotension and hypoxemia shock after intravenous administration of itraconazole 200 mg, which was eventually reversed by steroid treatment. On days 18 and 19, the patient developed the same type of shock 2 more times in the course of itraconazole administration. These 2 episodes of shock occurred more quickly after intravenous itraconazole administration (100 mg on day 18, 40 mg on day 19), and were reversed by stopping itraconazole and applying steroid treatment. In the modified antifungal therapy, intravenous administration of itraconazole was replaced by oral administration of voriconazole 200 mg twice daily. Shock did not recur after discontinuation of itraconazole treatment. The Naranjo probability scale showed a probable relationship between itraconazole treatment and shock occurrence. DISCUSSION Itraconazole is a widely used antifungal drugs and is well tolerated. However, long-term itraconazole treatment might lead to serious and even life-threatening adverse effects such as anaphylactic shock, as seen in our patient. T cell reduction caused by immunosuppression and itraconazole accumulation in patients with ALL are considered to be important causal factors for this delayed-type hypersensitivity reaction. CONCLUSIONS Anaphylactic shock represents a previously undocumented severe adverse effect associated with long-term itraconazole treatment; patients receiving this therapy and should be monitored closely.
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Affiliation(s)
- Jie Chen
- Department of Hematology, Changhai Hospital, The Second Military Medical University, Shanghai, China
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