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Green SB, Albrecht B, Chapin R, Walters J. Toxin inhibition: Examining tetracyclines, clindamycin, and linezolid. Am J Health Syst Pharm 2024:zxae251. [PMID: 39244685 DOI: 10.1093/ajhp/zxae251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2024] Open
Abstract
PURPOSE The purpose of this review is to discuss the role of toxin inhibition in select infections and to provide recommendations for appropriate antimicrobial selection when toxin inhibition is indicated. SUMMARY For select organisms, specifically Clostridioides difficile, Staphylococcus aureus, and Streptococcus pyogenes, toxin production plays an integral role in overall disease pathogenesis and progression. Some expert recommendations include utilization of an antimicrobial with toxin inhibition properties as primary or adjunctive therapy for certain infections due to these organisms, but evolving data have made the choice of antitoxin agent less clear. Clindamycin has been the long-standing standard of care agent for toxin inhibition in necrotizing S. aureus and S. pyogenes infections, but linezolid shows promise as an alternative either in the setting of drug shortages or simply when clindamycin is not optimal, while tetracyclines require further study for this indication. The role for adjunctive toxin inhibition in C. difficile infection (CDI) is less defined, as current first-line therapies already have antitoxin properties. CONCLUSION Toxin inhibition plays a key role in successful management of patients with infections due to toxin-producing organisms. Adjunctive therapy with a tetracycline could be considered in severe, fulminant CDI, but the associated benefit is variable. The benefit of antitoxin treatment for necrotizing S. aureus and S. pyogenes has been more consistently documented. Recent studies support linezolid as an alternative to clindamycin as an adjunctive S. aureus treatment or as monotherapy when appropriate.
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Affiliation(s)
- Sarah B Green
- Department of Pharmacy, Emory University Hospital, Atlanta, GA, USA
| | | | - Ryan Chapin
- Department of Pharmacy, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Jillian Walters
- Department of Pharmacy, Johns Hopkins Bayview Medical Center, Baltimore, MD, USA
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2
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Impact of Tigecycline on C. difficile Outcomes: Case Series and Propensity-Matched Retrospective Study. Antimicrob Agents Chemother 2022; 66:e0000122. [PMID: 35647645 PMCID: PMC9211400 DOI: 10.1128/aac.00001-22] [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] [Indexed: 11/20/2022] Open
Abstract
This case series and propensity-matched cohort study on the use of tigecycline in Clostridioides difficile infection (CDI) evaluated the effect of tigecycline on 30-day mortality. Adjusted for ATLAS Score, hypotension, treatment time period, and serum lactate, tigecycline did not significantly improve 30-day mortality (odds ratio: 0.89; 95% confidence interval: 0.25–3.12; P = 0.853). A randomized controlled trial is needed to determine efficacy and safety of tigecycline in severe or refractory CDI.
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Diagnostic and therapy of severe Clostridioides difficile infections in the ICU. Curr Opin Crit Care 2021; 26:450-458. [PMID: 32739967 DOI: 10.1097/mcc.0000000000000753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW The purpose of the review is to provide all the recent data focusing on the diagnostic and treatment of Clostridioides difficile infection in patients admitted in the ICU. RECENT FINDINGS In the ICU, diagnosis remains complicated with a large number of alternative diagnosis. The treatment classically relies on vancomycin but fidaxomicin and fecal microbiota transplantation are now potential solutions in selected indications. SUMMARY Data on ICU-related CDI remain limited and conflicting. To date, there is no unique and simple way to obtain a diagnosis for CDI, the combination of clinical signs and a two-step testing algorithm remains the recommended gold-standard. Two molecules can be proposed for first line treatment: vancomycin and fidaxomicin. Although metronidazole may still be discussed as a treatment option for mild CDI in low-risk patients, its use for ICU-patients does not seem reasonable. Several reports suggest that fecal microbiota transplantation could be discussed, as it is well tolerated and associated with a high rate of clinical cure. CDI is a dynamic and active area of research with new diagnostic techniques, molecules, and management concepts likely changing our approach to this old disease in the near future.
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Tigecycline for the treatment of patients with Clostridium difficile infection: an update of the clinical evidence. Eur J Clin Microbiol Infect Dis 2020; 39:1053-1058. [DOI: 10.1007/s10096-019-03756-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 10/28/2019] [Indexed: 02/07/2023]
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Pouch SM, Friedman-Moraco RJ. Prevention and Treatment of Clostridium difficile-Associated Diarrhea in Solid Organ Transplant Recipients. Infect Dis Clin North Am 2018; 32:733-748. [PMID: 30146033 DOI: 10.1016/j.idc.2018.05.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Clostridium difficile infection is a significant cause of morbidity and mortality in solid organ transplant recipients. Risk factors in this population include frequent hospitalizations, receipt of immunosuppressive agents, and intestinal dysbiosis triggered by several factors, including exposure to broad-spectrum antimicrobials. The incidence and potential for significant adverse outcomes among solid organ transplant recipients with C difficile infection highlight the evolving need for strategic C difficile infection risk factor modification and novel approaches to disease management in this patient population. This review focuses on current concepts related to the prevention and treatment of C difficile infection in solid organ transplant recipients.
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Affiliation(s)
- Stephanie M Pouch
- Division of Infectious Diseases, Emory University School of Medicine, 101 Woodruff Circle, WMB #2101, Atlanta, GA 30322, USA.
| | - Rachel J Friedman-Moraco
- Division of Infectious Diseases, Emory University School of Medicine, 101 Woodruff Circle, WMB #2101, Atlanta, GA 30322, USA
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Daniels LM, Kufel WD. Clinical review of Clostridium difficile infection: an update on treatment and prevention. Expert Opin Pharmacother 2018; 19:1759-1769. [PMID: 30220230 DOI: 10.1080/14656566.2018.1524872] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Clostridium difficile infection (CDI) has become a significant healthcare-associated infection and is strongly associated with antibiotic use. Practice guidelines have recently been revised incorporating updated recommendations for diagnosis, treatment, and prevention. AREAS COVERED This review discusses updated aspects of CDI management. New and emerging pharmacologic options for treatment and prevention are reviewed. EXPERT OPINION Metronidazole is associated with lower rates of treatment success compared to vancomycin and should no longer be used as primary therapy for the first episode of CDI or recurrent disease. Vancomycin or fidaxomicin are now recommended for first-line therapy for most cases of CDI. Fecal microbiota transplant is effective and safe for the treatment of recurrent CDI. Evidence supports the use of fidaxomicin and bezlotoxumab for prevention of recurrent CDI; however, the costs associated with these therapies may limit their use. Validated risk prediction tools are needed to identify patients most likely to benefit from these treatments. Future advancements in microbiota targeting treatments will emerge as promising alternatives to standard CDI treatments. Antibiotic stewardship and infection control measures will remain essential components for CDI management.
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Affiliation(s)
- Lindsay M Daniels
- a Department of Pharmacy , University of North Carolina Medical Center , Chapel Hill , NC , USA.,b Division of Practice Advancement and Clinical Education, Eshelman School of Pharmacy , University of North Carolina , Chapel Hill , NC , USA
| | - Wesley D Kufel
- c Department of Pharmacy Practice, School of Pharmacy and Pharmaceutical Sciences , Binghamton University , Binghamton , NY , USA.,d Department of Medicine , Upstate Medical University.,e Department of Pharmacy , Upstate University Hospital , Syracuse , NY , USA
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Loo VG, Davis I, Embil J, Evans GA, Hota S, Lee C, Lee TC, Longtin Y, Louie T, Moayyedi P, Poutanen S, Simor AE, Steiner T, Thampi N, Valiquette L. Association of Medical Microbiology and Infectious Disease Canada treatment practice guidelines for Clostridium difficile infection. ACTA ACUST UNITED AC 2018. [DOI: 10.3138/jammi.2018.02.13] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Vivian G Loo
- McGill University Health Centre, McGill University, Montréal, Québec, Canada
| | - Ian Davis
- Queen Elizabeth II Health Sciences Centre, Dalhousie University, Halifax, Nova Scotia, Canada
| | - John Embil
- Health Sciences Centre, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Gerald A Evans
- Kingston Health Sciences Centre, Queen’s University, Kingston, Ontario, Canada
| | - Susy Hota
- University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Christine Lee
- St. Joseph’s Healthcare, McMaster University, Hamilton, Ontario, Canada
| | - Todd C Lee
- McGill University Health Centre, McGill University, Montréal, Québec, Canada
| | - Yves Longtin
- Jewish General Hospital, McGill University, Montréal, Québec, Canada
| | - Thomas Louie
- Peter Lougheed Hospital, University of Calgary, Calgary, Alberta, Canada
| | - Paul Moayyedi
- Health Sciences Centre, McMaster University, Hamilton, Ontario, Canada
| | - Susan Poutanen
- Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Andrew E Simor
- Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
| | - Theodore Steiner
- Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada
| | - Nisha Thampi
- Children’s Hospital of Eastern Ontario, University of Ottawa, Ottawa, Ontario, Canada
| | - Louis Valiquette
- Centre Hospitalier Universitaire de Sherbrooke, Université de Sherbrooke, Sherbrooke, Québec, Canada
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Bishop EJ, Tiruvoipati R, Metcalfe J, Marshall C, Botha J, Kelley PG. The outcome of patients with severe and severe-complicated Clostridium difficile infection treated with tigecycline combination therapy: a retrospective observational study. Intern Med J 2018; 48:651-660. [PMID: 29363242 DOI: 10.1111/imj.13742] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 12/29/2017] [Accepted: 01/08/2018] [Indexed: 02/05/2023]
Abstract
BACKGROUND Tigecycline is a third-line therapy for severe Clostridium difficile infection (CDI) in Australasian guidelines. Differences in strain types make it difficult to extrapolate international tigecycline efficacy data with combination or monotherapy to Australian practice, where experience is limited. AIM To evaluate the efficacy and adverse effects associated with tigecycline combination therapy for severe and severe-complicated CDI in an Australian healthcare setting. METHODS This was a retrospective observational study at a metropolitan university-affiliated hospital. All patients between February 2013 and October 2016 treated with adjunctive intravenous tigecycline for >48 h for severe or severe-complicated CDI were included. Tigecycline was given in addition to oral vancomycin ± intravenous metronidazole. The primary outcome was all-cause mortality at 30 days from start of tigecycline combination therapy. Secondary outcomes included clinical cure, colectomy, adverse events and recurrence rates. RESULTS Thirteen patients with median age of 61 years had severe (n = 9) or severe-complicated (n = 4) CDI at tigecycline commencement. In 92% of patients, tigecycline started within 48 h after in-hospital CDI treatment, for median duration of 9 days. All-cause mortality at 30 days was 8% with no mortality in severe CDI and 25% (1/4) in patients with severe-complicated fulminant CDI, comparing favourably with historical rates of 9-38% and 30-80% in similar respective groups. Clinical cure was achieved in 77% of cases. There were no colectomies and one attributable tigecycline adverse reaction. CONCLUSIONS Tigecycline appears safe and effective as a part of combination therapy in severe CDI, and may be given earlier and for shorter durations than in current guidelines.
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Affiliation(s)
- Emma J Bishop
- Department of Infectious Diseases, Melbourne, Victoria, Australia
| | - Ravindranath Tiruvoipati
- Department of Intensive Care Medicine, Peninsula Health, Melbourne, Victoria, Australia
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Julie Metcalfe
- Department of Infectious Diseases, Melbourne, Victoria, Australia
| | | | - John Botha
- Department of Intensive Care Medicine, Peninsula Health, Melbourne, Victoria, Australia
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Peter G Kelley
- Department of Infectious Diseases, Melbourne, Victoria, Australia
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Petrosillo N, Granata G, Cataldo MA. Novel Antimicrobials for the Treatment of Clostridium difficile Infection. Front Med (Lausanne) 2018; 5:96. [PMID: 29713630 PMCID: PMC5911476 DOI: 10.3389/fmed.2018.00096] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 03/26/2018] [Indexed: 12/17/2022] Open
Abstract
The current picture of Clostridium difficile infection (CDI) is alarming with a mortality rate ranging between 3% and 15% and a CDI recurrence rate ranging from 12% to 40%. Despite the great efforts made over the past 10 years to face the CDI burden, there are still gray areas in our knowledge on CDI management. The traditional anti-CDI antimicrobials are not always adequate in addressing the current needs in CDI management. The aim of our review is to give an update on novel antimicrobials for the treatment of CDI, considering the currently available evidences on their efficacy, safety, molecular mechanism of action, and their probability to be successfully introduced into the clinical practice in the near future. We identified, through a PubMed search, 16 novel antimicrobial molecules under study for CDI treatment: cadazolid, surotomycin, ridinilazole, LFF571, ramoplanin, CRS3123, fusidic acid, nitazoxanide, rifampin, rifaximin, tigecycline, auranofin, NVB302, thuricin CD, lacticin 3147, and acyldepsipeptide antimicrobials. In comparison with the traditional anti-CDI antimicrobial treatment, some of the novel antimicrobials reviewed in this study offer several advantages, i.e., the favorable pharmacokinetic and pharmacodynamic profile, the narrow-spectrum activity against CD that implicates a low impact on the gut microbiota composition, the inhibitory activity on CD sporulation and toxins production. Among these novel antimicrobials, the most active compounds in reducing spore production are cadazolid, ridinilazole, CRS3123, ramoplanin and, potentially, the acyldepsipeptide antimicrobials. These antimicrobials may potentially reduce CD environment spread and persistence, thus reducing CDI healthcare-associated acquisition. However, some of them, i.e., surotomycin, fusidic acid, etc., will not be available due to lack of superiority versus standard of treatment. The most CD narrow-spectrum novel antimicrobials that allow to preserve microbiota integrity are cadazolid, ridinilazole, auranofin, and thuricin CD. In conclusion, the novel antimicrobial molecules under development for CDI have promising key features and advancements in comparison to the traditional anti-CDI antimicrobials. In the near future, some of these new molecules might be effective alternatives to fight CDI.
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Affiliation(s)
- Nicola Petrosillo
- Clinical and Research Department for Infectious Diseases, Unit Systemic and Immunedepression-Associated Infections, National Institute for Infectious Diseases L. Spallanzani, Rome, Italy
| | - Guido Granata
- Clinical and Research Department for Infectious Diseases, Unit Systemic and Immunedepression-Associated Infections, National Institute for Infectious Diseases L. Spallanzani, Rome, Italy
| | - Maria Adriana Cataldo
- Clinical and Research Department for Infectious Diseases, Unit Systemic and Immunedepression-Associated Infections, National Institute for Infectious Diseases L. Spallanzani, Rome, Italy
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10
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Khanna S. Do tetracyclines have the potential to reduce the risk of Clostridium difficile infection? Expert Rev Anti Infect Ther 2018; 16:183-185. [PMID: 29375022 DOI: 10.1080/14787210.2018.1434413] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Sahil Khanna
- a Division of Gastroenterology and Hepatology , Mayo Clinic , Rochester , MN , USA
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11
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Fehér C, Soriano A, Mensa J. A Review of Experimental and Off-Label Therapies for Clostridium difficile Infection. Infect Dis Ther 2017; 6:1-35. [PMID: 27910000 PMCID: PMC5336415 DOI: 10.1007/s40121-016-0140-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Indexed: 12/16/2022] Open
Abstract
In spite of increased awareness and the efforts taken to optimize Clostridium difficile infection (CDI) management, with the limited number of currently available antibiotics for C. difficile the halt of this increasing epidemic remains out of reach. There are, however, close to 80 alternative treatment methods with controversial anti-clostridial efficacy or in experimental phase today. Indeed, some of these therapies are expected to become acknowledged members of the recommended anti-CDI arsenal within the next few years. None of these alternative treatment methods can respond in itself to all the major challenges of CDI management, which are primary prophylaxis in the susceptible population, clinical cure of severe cases, prevention of recurrences, and forestallment of asymptomatic C. difficile carriage and in-hospital spread. Yet, the greater the variety of treatment choices on hand, the better combination strategies can be developed to reach these goals in the future. The aim of this article is to provide a comprehensive summary of these experimental and currently off-label therapeutic options.
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Affiliation(s)
- Csaba Fehér
- Department of Infectious Diseases, Hospital Clínic of Barcelona, Barcelona, Spain.
| | - Alex Soriano
- Department of Infectious Diseases, Hospital Clínic of Barcelona, Barcelona, Spain
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
- University of Barcelona, Barcelona, Spain
| | - Josep Mensa
- Department of Infectious Diseases, Hospital Clínic of Barcelona, Barcelona, Spain
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
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LaSalvia MT, Branch-Elliman W, Snyder GM, Mahoney MV, Alonso CD, Gold HS, Wright SB. Does Adjunctive Tigecycline Improve Outcomes in Severe-Complicated, Nonoperative Clostridium difficile Infection? Open Forum Infect Dis 2017; 4:ofw264. [PMID: 28480257 PMCID: PMC5413996 DOI: 10.1093/ofid/ofw264] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 12/28/2016] [Indexed: 01/31/2023] Open
Abstract
Severe Clostridium difficile infection is associated with a high rate of mortality; however, the optimal treatment for severe- complicated infection remains uncertain for patients who are not candidates for surgical intervention. Thus, we sought to evaluate the benefit of adjunctive tigecycline in this patient population using a retrospective cohort adjusted for propensity to receive tigecycline. We found that patients who received tigecycline had similar outcomes to those who did not, although the small sample size limited power to adjust for comorbidities and severity of illness.
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Affiliation(s)
- Mary T LaSalvia
- Division of Infectious Diseases and.,Harvard Medical School, Boston, Massachussetts
| | - Westyn Branch-Elliman
- Division of Infectious Diseases and.,VA Boston Healthcare System, Massachussetts.,Harvard Medical School, Boston, Massachussetts
| | - Graham M Snyder
- Division of Infectious Diseases and.,Harvard Medical School, Boston, Massachussetts
| | - Monica V Mahoney
- Department of Pharmacy, Beth Israel Deaconess Medical Center, Boston, Massachussetts
| | - Carolyn D Alonso
- Division of Infectious Diseases and.,Harvard Medical School, Boston, Massachussetts
| | - Howard S Gold
- Division of Infectious Diseases and.,Harvard Medical School, Boston, Massachussetts
| | - Sharon B Wright
- Division of Infectious Diseases and.,Harvard Medical School, Boston, Massachussetts
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