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Fecal Microbiota Transplantation for Recurrent Clostridioides difficile Infection Can Be the Best Therapeutic Option in Severely Immunocompromised Patients Depending on a Case-by-Case Assessment of the Benefit-to-Risk Ratio. Gastroenterology 2024:S0016-5085(24)00487-6. [PMID: 38679396 DOI: 10.1053/j.gastro.2024.04.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 04/01/2024] [Indexed: 05/01/2024]
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Swiss expert opinion: current approaches in faecal microbiota transplantation in daily practice. Swiss Med Wkly 2023; 153:40100. [PMID: 37769622 DOI: 10.57187/smw.2023.40100] [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: 10/03/2023] Open
Abstract
INTRODUCTION Faecal microbiota transplantation (FMT) is an established therapy for recurrent C. difficile infection, and recent studies have reported encouraging results of FMT in patients with ulcerative colitis. Few international consensus guidelines exist for this therapy, and thus FMT policies and practices differ among European countries. As of 2019, stool transplants are considered a non-standardised medicinal product in Switzerland, and a standardised production process requires authorisation by the Swiss Agency for Therapeutic Products. This authorisation leads to prolonged administrative procedures and increasing costs, which reduces treatment accessibility. In particular, patients with ulcerative colitis in Switzerland can only benefit from FMT off-label, even though it is a valid therapeutic option. Therefore, this study summarised the available data on FMT and established a framework for the standardised use of FMT. METHODS A panel of Swiss gastroenterologists with a special interest in inflammatory bowel disease was established to identify the current key issues of FMT. After a comprehensive review of the literature, statements were formulated about FMT indications, donor screening, stool transplant preparation and administration, and safety aspects. The panel then voted on the statements following the Delphi process; the statements were reformulated and revoted until a consensus was reached. The manuscript was then reviewed by an infectiologist (the head of Lausanne's FMT centre). RESULTS The established statements are summarised in the supplementary tables in the appendix to this paper. The working group hopes these will help standardise FMT practice in Switzerland and contribute to making faecal microbiota transplantation a safe and accessible treatment for patients with recurrent C. difficile infections and selected patients with ulcerative colitis, as well as other indications in the future.
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Temporal changes in fecal microbiota of patients infected with COVID-19: a longitudinal cohort. BMC Infect Dis 2023; 23:537. [PMID: 37596518 PMCID: PMC10436399 DOI: 10.1186/s12879-023-08511-6] [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: 04/04/2023] [Accepted: 08/04/2023] [Indexed: 08/20/2023] Open
Abstract
BACKGROUND Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a multifaceted disease potentially responsible for various clinical manifestations including gastro-intestinal symptoms. Several evidences suggest that the intestine is a critical site of immune cell development, gut microbiota could therefore play a key role in lung immune response. We designed a monocentric longitudinal observational study to describe the gut microbiota profile in COVID-19 patients and compare it to a pre-existing cohort of ventilated non-COVID-19 patients. METHODS From March to December 2020, we included patients admitted for COVID-19 in medicine (43 not ventilated) or intensive care unit (ICU) (14 ventilated) with a positive SARS-CoV-2 RT-PCR assay in a respiratory tract sample. 16S metagenomics was performed on rectal swabs from these 57 COVID-19 patients, 35 with one and 22 with multiple stool collections. Nineteen non-COVID-19 ICU controls were also enrolled, among which 14 developed ventilator-associated pneumonia (pneumonia group) and five remained without infection (control group). SARS-CoV-2 viral loads in fecal samples were measured by qPCR. RESULTS Although similar at inclusion, Shannon alpha diversity appeared significantly lower in COVID-19 and pneumonia groups than in the control group at day 7. Furthermore, the microbiota composition became distinct between COVID-19 and non-COVID-19 groups. The fecal microbiota of COVID-19 patients was characterized by increased Bacteroides and the pneumonia group by Prevotella. In a distance-based redundancy analysis, only COVID-19 presented significant effects on the microbiota composition. Moreover, patients in ICU harbored increased Campylobacter and decreased butyrate-producing bacteria, such as Lachnospiraceae, Roseburia and Faecalibacterium as compared to patients in medicine. Both the stay in ICU and patient were significant factors affecting the microbiota composition. SARS-CoV-2 viral loads were higher in ICU than in non-ICU patients. CONCLUSIONS Overall, we identified distinct characteristics of the gut microbiota in COVID-19 patients compared to control groups. COVID-19 patients were primarily characterized by increased Bacteroides and decreased Prevotella. Moreover, disease severity showed a negative correlation with butyrate-producing bacteria. These features could offer valuable insights into potential targets for modulating the host response through the microbiota and contribute to a better understanding of the disease's pathophysiology. TRIAL REGISTRATION CER-VD 2020-00755 (05.05.2020) & 2017-01820 (08.06.2018).
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Dry alginate beads for fecal microbiota transplantation: from model strains to fecal samples. Int J Pharm 2023; 639:122961. [PMID: 37075927 DOI: 10.1016/j.ijpharm.2023.122961] [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: 03/07/2023] [Revised: 04/05/2023] [Accepted: 04/11/2023] [Indexed: 04/21/2023]
Abstract
Clostridioides difficile infection (CDI) is a critical nosocomial infection with more than 124,000 cases per year in Europe and a mortality rate of 15-17%. The standard of care (SoC) is antibiotic treatment. Unfortunately, the relapse rate is high (∼35%) and SoC is significantly less effective against recurrent infection (rCDI). Fecal microbiota transplantation (FMT) is a recommended treatment against rCDI from the second recurrence episode and has an efficacy of 90%. The formulation of diluted donor stool deserves innovation because its actual administration routes deserve optimization (naso-duodenal/jejunal tubes, colonoscopy, enema or several voluminous oral capsules). Encapsulation of model bacteria strains in gel beads were first investigated. Then, the encapsulation method was applied to diluted stools. Robust spherical gel beads were obtained. The mean particle size was around 2 mm. A high loading of viable microorganisms was obtained for model strains and fecal samples. For plate-counting, values ranged from 1015 to 1017 CFU/g for single and mixed model strains, and 106 to 108 CFU/g for fecal samples. This corresponded to a viability of 30% to 60% as assessed by flow cytometry. This novel formulation is promising as the technology is applicable to both model strains and bacteria contained in the gut microbiota.
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Clostridioides difficile infection (CDI) epidemiology and patient characteristics in Switzerland. Infect Dis Now 2022; 52:267-272. [PMID: 35537689 DOI: 10.1016/j.idnow.2022.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 05/02/2022] [Indexed: 11/18/2022]
Abstract
OBJECTIVES Clostridioides difficile infection (CDI) is a disease with high morbidity and mortality rates. The objective of this study was to describe CDI epidemiology and patient characteristics over a 5-year period in Switzerland and assess risk factors for mortality, recurrence and severe CDI. PATIENTS AND METHODS We retrospectively included all consecutive CDI cases having occurred in adult patients hospitalized in two tertiary centers: the Lausanne University Hospital (1000 beds) and the University Hospital of Zurich (900 beds), between 2014 and 2018. Suspected cases of CDI were identified from the microbiology laboratory database on the basis of a positive test and confirmed by records review. RESULTS During first CDI episodes, the median age was 67 years and the median Charlson comorbidity index (CCI) score was 5. All in all, 299 out of 826 patients (36.2%) had severe infection based on the Infectious Diseases Society of America criteria. In the multivariable analysis, CCI was associated with increased risk of mortality. None of the factors recorded on admission were significantly associated with increased risk of recurrence. In the multivariable analysis, male sex and CCI were associated with severity, while immunosuppression was associated with less severe presentation. CONCLUSIONS If we did not identify any criteria on admission that could be predictive of recurrences, this could be explained the retrospective nature of the study. A higher comorbidity index is a key driver for severe CDI and mortality. Reporting of CDI is not mandatory in Switzerland; structuration of CDI reporting should be a short-term priority.
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Fecal microbiota transplantation: a review on current formulations in Clostridioides difficile infection and future outlooks. Expert Opin Biol Ther 2022; 22:929-944. [PMID: 35763604 DOI: 10.1080/14712598.2022.2095901] [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: 11/04/2022]
Abstract
INTRODUCTION The role of the gut microbiota in health and the pathogenesis of several diseases has been highlighted in recent years. Even though the precise mechanisms involving the microbiome in these ailments are still unclear, microbiota-modulating therapies have been developed. Fecal microbiota transplantation (FMT) has shown significant results against Clostridioides difficile infection (CDI), and its potential has been investigated for other diseases. Unfortunately, the technical aspects of the treatment make it difficult to implement. Pharmaceutical technology approaches to encapsulate microorganisms could play an important role in providing this treatment and render the treatment modalities easier to handle. AREAS COVERED After an overview of CDI, this narrative review aims to discuss the current formulations for FMT and specifically addresses the technical aspects of the treatment. This review also distinguishes itself by focusing on the hurdles and emphasizing the possible improvements using pharmaceutical technologies. EXPERT OPINION FMT is an efficient treatment for recurrent CDI. However, its standardization is overlooked. The approach of industrial and hospital preparations of FMT are different, but both show promise in their respective methodologies. Novel FMT formulations could enable further research on dysbiotic diseases in the future.
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Favorable Outcome after Treatment Using Antibiotics and Hydroxychloroquine in a Patient with Tumor Necrosis Factor Receptor-associated Periodic Syndrome: A 7-Year Follow-Up. J Glob Infect Dis 2020; 12:159-160. [PMID: 33343170 PMCID: PMC7733427 DOI: 10.4103/jgid.jgid_7_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 02/26/2019] [Accepted: 01/20/2020] [Indexed: 11/12/2022] Open
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Abstract
Clostridioides difficile (formerly Clostridium) is a major cause of healthcare associated diarrhea, and is increasingly present in the community. Historically, C difficile infection was considered easy to diagnose and treat. Over the past two decades, however, diagnostic techniques have changed in line with a greater understanding of the physiopathology of C difficile infection and the use of new therapeutic molecules. The evolution of diagnosis showed there was an important under- and misdiagnosis of C difficile infection, emphasizing the importance of algorithms recommended by European and North American infectious diseases societies to obtain a reliable diagnosis. Previously, metronidazole was considered the reference drug to treat C difficile infection, but more recently vancomycin and other newer drugs are shown to have higher cure rates. Recurrence of infection represents a key parameter in the evaluation of new drugs, and the challenge is to target the right population with the adapted therapeutic molecule. In multiple recurrences, fecal microbiota transplantation is recommended. New approaches, including antibodies, vaccines, and new molecules are already available or in the pipeline, but more data are needed to support the inclusion of these in practice guidelines. This review aims to provide a baseline for clinicians to understand and stratify their choice in the diagnosis and treatment of C difficile infection based on the most recent data available.
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‘A five-day course of oral antibiotics followed by faecal transplantation to eradicate carriage of multidrug-resistant Enterobacteriaceae’ – Author's reply. Clin Microbiol Infect 2019; 25:914-915. [DOI: 10.1016/j.cmi.2019.02.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 02/02/2019] [Indexed: 11/28/2022]
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Quality of life and utility decrement associated with Clostridium difficile infection in a French hospital setting. Health Qual Life Outcomes 2019; 17:6. [PMID: 30634997 PMCID: PMC6329091 DOI: 10.1186/s12955-019-1081-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 01/03/2019] [Indexed: 12/23/2022] Open
Abstract
Background Clostridium difficile infection (CDI) is associated with a substantial Quality of life impact on patients that has not been so far measured with a generic validated instrument. Methods A prospective study was performed in 7 French acute-care settings in patients presenting with a bacteriologically-confirmed CDI. The EQ-5D-3 L was filled in by patients at 7 ± 2 days after CDI diagnosis to describe their state of health at that date as well as their state of health immediately before the CDI episode (baseline). Individual utility decrement was obtained by subtracting the corresponding utilities. The Quality Adjusted Life Year (QALY) loss was calculated by multiplying the days spent from baseline to the date of the interview, by the decrement of utility. A multivariate analysis of variance of the utility decrement according to CDI and patients characteristics was performed. Results Eighty patients were enrolled (mean age: 69.4 years, 55% females). The utility scores dropped from a mean 0.542 (SD: 0.391) at baseline to 0.050 (SD: 0.404) during the CDI episode with a mean adjusted utility decrement of 0.492 (SD: 0.398) point. This decrement increased significantly with CDI severity (Zar score ≥ 3) (p = 0.001), in patients with a positive baseline utility (p = 0.032), in women as compared to men (p = 0.041) and in patients aged more than 65 years (p = 0.041). No association with the Charlson index was found. The associated QALY loss not integrating the excess mortality was 0.028 (SD: 0.053). Conclusions The impact on quality of life of CDI episodes is major and translates in a substantial QALY loss despite their short duration. Electronic supplementary material The online version of this article (10.1186/s12955-019-1081-5) contains supplementary material, which is available to authorized users.
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Impact sur la qualité de vie d’un épisode d’infection à Clostridium difficile en milieu hospitalier. Rev Epidemiol Sante Publique 2018. [DOI: 10.1016/j.respe.2018.04.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022] Open
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Practice guidelines for the management of adult community-acquired urinary tract infections. Med Mal Infect 2018; 48:327-358. [PMID: 29759852 DOI: 10.1016/j.medmal.2018.03.005] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 12/24/2017] [Accepted: 03/13/2018] [Indexed: 11/19/2022]
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Impact of Clostridium difficile Infection on Patients’ Quality of Life: a French Hospital Prospective Study. Open Forum Infect Dis 2017. [PMCID: PMC5630732 DOI: 10.1093/ofid/ofx163.979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Background Few data are available on the impact of episodes of Clostridium difficile infection (CDI) on quality of life. The Cdiff32, a new specific health-related quality of life questionnaire recently validated, allows such a measurement (Garey et al. J Clin Gastroenterol 2016 Sep;50(8):631–7). Methods An observational prospective study was performed in 7 French acute-care facilities in 2016. All consecutive patients presenting with a bacteriologically-confirmed CDI during a hospital stay, regardless of reason for hospitalization, were enrolled. Two instruments were presented to patients at 7(±2) days after CDI diagnosis: the Cdiff32 and a generic questionnaire the EQ-5D-3L. The Cdiff32 comprises 32 self-administered questions about the impact of CDI in 3 broad domains (physical, mental and social). The physical domain differentiates general (6 questions) and specific physical complaints (8 questions). The mental domain comprises 14 questions about current and future anxiety. Four questions cover the impact on social relationships. Each item is scored from 0 (worst score) to 100 (best score) and they are aggregated by domain and globally. Clinical variables were collected to characterize the infection severity (ZAR score) and comorbidities. A regression analysis of the Cdiff32 scores with the EQ-5D-3L was performed. Results 80 patients were enrolled and 3 were excluded because of missing data. The median age was 71 years and 45% were males. The global Cdiff32 score was 50.4 (SD: 17.1) with a large variability among patients (min 18.3, max 90.2). The highest impact of CDI was observed on the general physical complaints (41.6), as well as the level of current anxiety (41.6). The score relating to the social relationships was the highest (63.7). The severity of CDI (as defined by the Zar score) and the global Cdiff32 score were correlated essentially through the physical sub-score (P = 0.0154). Patients with recurrences had a lower mental score compared with patients with an initial episode (P = 0.0582). The regression analysis of global Cdiff32 score and EQ-5D-3L utility score showed a positive relationship (R2=0.317). Conclusion The Cdiff32 allowed to estimate the important impact on quality of life of CDI especially on the physical domain. Disclosures All authors: No reported disclosures.
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Treating Clostridium difficile infection in patients presenting with hematological malignancies: Are current guidelines applicable? Med Mal Infect 2017; 47:532-539. [PMID: 28823390 DOI: 10.1016/j.medmal.2017.07.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 11/15/2016] [Accepted: 07/10/2017] [Indexed: 12/15/2022]
Abstract
OBJECTIVES Adults with hematological malignancies are at high-risk of Clostridium difficile infection (CDI), but no guidelines for CDI treatment are available in this population. Our primary objective was to evaluate the clinical outcomes in CDI patients with hematological malignancies. Our secondary objectives were to describe CDI severity using the main clinical guidelines and to evaluate the compliance of treatment choice with published guidelines. PATIENTS AND METHODS Single-center, retrospective, observational case series including every consecutive adult patient with a confirmed diagnosis of CDI admitted in the hematology unit of our teaching hospital. Each CDI episode was classified as moderate, severe, or complicated according to the main clinical guidelines (IDSA 2010, AJG 2013, ESCMID 2014). RESULTS Twenty-three episodes of CDI in 19 patients admitted to the hematology unit occurred between June 2012 and October 2013. Clinical cure was achieved for 20 episodes (87%). Ten weeks after diagnosis, global cure was reached for 14 episodes (61%) whereas recurrence occurred in two episodes (10%). The mortality rate reached 37% (7/19) but the attributable mortality rate was 5% (1/19). ESCMID criteria more frequently classified patients in the severe category compared with the two other classifications. Prescription compliance with clinical guidelines was observed in 61% of episodes with IDSA criteria, 43% with AJG, and 9% with ESCMID. CONCLUSIONS IDSA and AJG assessment may underestimate the potential risk of unfavorable clinical outcome. Further prospective studies on a larger cohort are needed to develop adequate treatment guidelines for CDI in hematology settings.
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Observatoire de l’utilisation de la fidaxomicine (Dificlir ® ) en France. Rev Epidemiol Sante Publique 2017. [DOI: 10.1016/j.respe.2017.04.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Fidaxomicin for treatment of Clostridium difficile infection in clinical practice: a prospective cohort study in a French University Hospital. Infection 2017; 45:425-431. [PMID: 28120176 DOI: 10.1007/s15010-017-0981-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Accepted: 01/11/2017] [Indexed: 02/08/2023]
Abstract
PURPOSE Two randomized controlled trials (RCTs) showed the non-inferiority of fidaxomicin compared with vancomycin for Clostridium difficile infection (CDI) treatment and its superiority regarding recurrence rate. The aim of this study was to evaluate fidaxomicin's efficacy in clinical practice. METHODS This single-center prospective cohort study included hospitalized patients treated with fidaxomicin for CDI. Demographic, clinical and biological data were collected. Primary outcome was efficacy of fidaxomicin (clinical cure, recurrence and global cure) at 10 weeks. Secondary outcome was efficacy among different subgroups. RESULTS Ninety-nine patients were included: 42 severe CDI, 16 complicated CDI and 41 recurrent CDI. Rates of clinical cure, recurrence and global cure were 87, 15 and 59%, respectively. Subgroup analysis showed a higher recurrence rate for patients with recurrent CDI compared with first episode (8 vs. 26%; p = 0.04). Binary toxin was associated with severe/complicated CDI (80 vs. 50%; p < 0.01) and recurrence (32 vs. 7%; p < 0.01). Fidaxomicin was used as a first line for 83% of the patients with recurrence and for only 52% of first episodes even though 86% had recurrence's risk factors. CONCLUSION Compared with RCTs, fidaxomicin in real world is used for patients with more severe and recurrent CDI, but clinical cure and recurrence rates were similar. Comparative studies are needed in these specific subgroups. Our data also illustrate clinicians' difficulty to define a "patient at risk for recurrence" among the first episodes. Finally, we showed that binary toxin could be important in the screening for severity and recurrence risks.
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Cost-Effectiveness Analysis of Five Competing Strategies for the Management of Multiple Recurrent Community-Onset Clostridium difficile Infection in France. PLoS One 2017; 12:e0170258. [PMID: 28103289 PMCID: PMC5245822 DOI: 10.1371/journal.pone.0170258] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 12/31/2016] [Indexed: 12/17/2022] Open
Abstract
Background Clostridium difficile infection (CDI) is characterized by high rates of recurrence, resulting in substantial health care costs. The aim of this study was to analyze the cost-effectiveness of treatments for the management of second recurrence of community-onset CDI in France. Methods We developed a decision-analytic simulation model to compare 5 treatments for the management of second recurrence of community-onset CDI: pulsed-tapered vancomycin, fidaxomicin, fecal microbiota transplantation (FMT) via colonoscopy, FMT via duodenal infusion, and FMT via enema. The model outcome was the incremental cost-effectiveness ratio (ICER), expressed as cost per quality-adjusted life year (QALY) among the 5 treatments. ICERs were interpreted using a willingness-to-pay threshold of €32,000/QALY. Uncertainty was evaluated through deterministic and probabilistic sensitivity analyses. Results Three strategies were on the efficiency frontier: pulsed-tapered vancomycin, FMT via enema, and FMT via colonoscopy, in order of increasing effectiveness. FMT via duodenal infusion and fidaxomicin were dominated (i.e. less effective and costlier) by FMT via colonoscopy and FMT via enema. FMT via enema compared with pulsed-tapered vancomycin had an ICER of €18,092/QALY. The ICER for FMT via colonoscopy versus FMT via enema was €73,653/QALY. Probabilistic sensitivity analysis with 10,000 Monte Carlo simulations showed that FMT via enema was the most cost-effective strategy in 58% of simulations and FMT via colonoscopy was favored in 19% at a willingness-to-pay threshold of €32,000/QALY. Conclusions FMT via enema is the most cost-effective initial strategy for the management of second recurrence of community-onset CDI at a willingness-to-pay threshold of €32,000/QALY.
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Case report: Brincidofovir-induced reversible severe acute kidney injury in 2 solid-organ transplant for treatment of cytomegalovirus infection. Medicine (Baltimore) 2016; 95:e5226. [PMID: 27858871 PMCID: PMC5591119 DOI: 10.1097/md.0000000000005226] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
RATIONALE Resistant cytomegalovirus-mediated infections are increasing in solid organ recipient with few available alternative treatments. Brincidofovir is an oral broad-spectrum antiviral in development for prevention and treatment of viral infection, particularly cytomegalovirus. PATIENTS CONCERNS Although brincidofovir is an analogue of cidofovir, previous studies reported no renal toxicity. DIAGNOSES Here, we report 2 cases of severe tubular necrosis in solid organ recipients, 1 heart and 1 kidney transplant. INTERVENTIONS Both patients received brincidofovir for the treatment of cytomegalovirus infection with mutation of UL-97. They presented an acute kidney injury without any occurrence of other clinical event such as introduction of nephrotoxic drug, graft rejection, urinary tract obstruction or infection, and calcineurin inhibitor overdosage. In each case, renal biopsy showed extended tubular necrosis. OUTCOMES The discontinuation of brincidofovir led to improve renal function without other any intervention. Reintroduction of brincidofovir in case 1, due to the absence of other medical alternative, led to a new episode of acute kidney injury. One more time, renal biopsy showed tubular necrosis and patient recovered renal function after discontinuation. LESSONS To our knowledge, this is the first report of brincidofovir-mediated renal adverse event. Clinicians may be aware of this severe complication in this specific population.
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IPF-12 - Une transplantation de microbiote fécal pour une giardiose. Med Mal Infect 2016. [DOI: 10.1016/s0399-077x(16)30431-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Faecal microbiota transplantation in recurrent Clostridium difficile infection: Recommendations from the French Group of Faecal microbiota Transplantation. Dig Liver Dis 2016; 48:242-7. [PMID: 26433619 DOI: 10.1016/j.dld.2015.08.017] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Revised: 08/08/2015] [Accepted: 08/30/2015] [Indexed: 12/11/2022]
Abstract
Faecal microbiota transplantation is effective for treating recurrent forms of Clostridium difficile infection and its use in this indication is recommended in the most recent European and North American guidelines. In this context, faecal microbiota transplantation is beginning to be performed in France in clinical practice, while the rules governing this procedure have been defined in France only for clinical trials. To unify, secure, and evaluate practice in this field in France, the French Group of Faecal microbiota Transplantation (FGFT) was created in October 2014 with the support of the French National Society of Gastroenterology, the French Infectious Disease Society, and the National Academy of Pharmacy. We present here the deliberations of this group regarding the use of faecal microbiota transplantation for recurrent Clostridium difficile infection. The issues addressed are the indications, therapeutic sequence, delivery procedures, donor selection, methods and conditions of specimen preparation, and traceability.
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Highlighting clinical needs in Clostridium difficile infection: the views of European healthcare professionals at the front line. J Hosp Infect 2015; 90:117-25. [PMID: 25842241 DOI: 10.1016/j.jhin.2015.03.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Accepted: 12/23/2014] [Indexed: 12/21/2022]
Abstract
BACKGROUND Clostridium difficile infection (CDI) is the leading cause of infectious nosocomial diarrhoea in Europe. Despite increased focus, its incidence and severity are increasing in many European countries. AIM We developed a series of consensus statements to identify unmet clinical needs in the recognition and management of CDI. METHODS A consortium of European experts prepared a series of 29 statements representing their collective views on the diagnosis and management of CDI in Europe. The statements were grouped into the following six broad themes: diagnosis; definitions of severity; treatment failure, recurrence and its consequences; infection prevention and control interventions; education and antimicrobial stewardship; and National CDI clinical guidance and policy. These statements were reviewed using questionnaires by 1047 clinicians involved in managing CDI, who indicated their level of agreement with each statement. FINDINGS Levels of agreement exceeded the 66% threshold for consensus for 27 out of 29 statements (93.1%), indicating strong support. Variance between countries and specialties was analysed and showed strong alignment with the overall consensus scores. CONCLUSION Based on the consensus scores of the respondent group, recommendations are suggested for the further development of CDI services in order to reduce transmission and recurrence and to ensure that appropriate diagnosis and treatment strategies are applied across all healthcare settings.
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Biphasic hepatitis A with severe cholestasis and thrombocytopenic purpura in an HIV-1-infected male patient. Med Mal Infect 2014; 44:81-2. [DOI: 10.1016/j.medmal.2013.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Revised: 11/18/2013] [Accepted: 12/03/2013] [Indexed: 11/30/2022]
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Serologic response to hepatitis B vaccination in HIV-Infected patients with isolated positivity for antibodies to hepatitis B core antigen. Clin Infect Dis 2010; 50:1184-6. [PMID: 20210647 DOI: 10.1086/651422] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
We assessed the safety and immunogenicity of hepatitis B vaccination among 40 human immunodeficiency virus-infected patients with isolated positivity for antibodies to hepatitis B core antigen. No baseline factors were found to be predictive of an anamnestic response, which occurred in 32.5% of the patients. The overall response rate among patients without an anamnestic response was 74.0% after 3-6 vaccine doses.
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25
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Key amprenavir resistance mutations counteract dramatic efficacy of darunavir in highly experienced patients. AIDS 2007; 21:1210-3. [PMID: 17502734 DOI: 10.1097/qad.0b013e32810fd744] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
In highly experienced HIV-1-infected patients, a ritonavir-boosted darunavir-containing regimen was associated with dramatic immunological and virological efficacy. Patients harbouring viruses with amprenavir-specific resistance profiles, such as I50V or V32I + I47V, failed on a darunavir/ritonavir-containing regimen. These key amprenavir mutations were also selected at the time of failure, suggesting their impact on darunavir efficacy.
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Hepatitis C virus genetic variability in 52 human immunodeficiency virus-coinfected patients. J Med Virol 2003; 71:41-8. [PMID: 12858407 DOI: 10.1002/jmv.10451] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The aim of this study was to examine whether hepatitis C virus (HCV) pretreatment quasispecies complexity was linked to virological response or other clinical and biological parameters, in human immunodeficiency virus (HIV)-coinfected patients undergoing anti-HCV treatment. In addition, HCV quasispecies composition is described longitudinally in these patients before, during, and after treatment. The 52 HIV-coinfected patients were included in a randomized therapeutic trial. At inclusion, they had CD4(+) counts of >250/micro l, HIV plasma load of <10,000 copies/ml, and chronic HCV infection with genotype 1 (n = 27), 2 (n = 2) or 3 (n = 23). These values were compared at baseline with 32 HCV-only-infected, interferon-naive patients who were infected with genotype 1, 2, or 3 (n = 16, 1, or 15, respectively). HCV complexity was studied by single-strand conformation polymorphism (SSCP) in E2 hypervariable region 1 (HVR1), and diversity was evaluated at inclusion in 20 coinfected patients by sequencing four major SSCP bands. The baseline number of SSCP bands was identical in HIV-infected and control patients. In HIV-infected patients, HCV complexity was not predictive of sustained virological response to anti-HCV treatment and was unrelated to epidemiological factors, immunological parameters linked to HIV infection (CD4(+) counts, T CD4(+) proliferative responses to HIV-1 p24), protease inhibitor treatment, HCV plasma load, or genotype. HCV diversity was lower in genotype 2- and 3-infected patients. Six months after completion of the anti-HCV treatment, in comparison with baseline, SSCP profiles were modified in 13 of the 21 nonresponding coinfected patients with analyzable samples. In conclusion, in HIV-infected patients, HCV variability had no significant influence on virological response to anti-HCV treatment.
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CD4 T lymphocyte proliferative responses to hepatitis C virus (HCV) antigens in patients coinfected with HCV and human immunodeficiency virus who responded to anti-HCV treatment. J Infect Dis 2002; 186:302-11. [PMID: 12134226 DOI: 10.1086/341659] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2001] [Revised: 03/28/2002] [Indexed: 11/04/2022] Open
Abstract
CD4 T lymphocyte proliferative responses to hepatitis C virus (HCV) antigens were evaluated before and during an anti-HCV regimen (interferon-alpha2a and ribavirin) in 36 patients coinfected with HCV and human immunodeficiency virus (HIV), to determine whether immune responses against HCV antigens are present in such patients, whether these responses are modified by anti-HCV treatment, and whether they are correlated with treatment efficacy. The CD4 responses against HCV antigens (primarily core antigens) detected at study entry in one-half of the patients did not correlate with anti-HCV treatment efficacy. Of 36 patients, 8 had patterns of persistent immune response to infection by genotypes 3 or 4 that were significantly correlated with sustained virologic response. Persistent immunologic reactivity and sustained virologic response coexisted only in patients infected with genotype 3. These findings suggest that HCV genotype may influence specific immune response, which, in turn, is implicated in virologic control.
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Intrahepatic HCV RNA loads in 37 HIV-HCV co-infected patients with controlled HIV infection. J Med Virol 2002; 67:143-51. [PMID: 11992575 DOI: 10.1002/jmv.2203] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Serum and intrahepatic hepatitis C virus (HCV) RNA were measured in 37 HIV-HCV co-infected patients with controlled human immunodeficiency virus (HIV) infection and correlated with clinical, biological, and histological parameters. Thirty-seven interferon-naive patients underwent liver biopsy. HCV-induced activity (A) and fibrosis (F) were evaluated with METAVIR score. The 37 patients included had HIV plasma loads < 10,000 copies/ml, CD4(+) count > 250/microl. All the patients but two were receiving antiretroviral treatment. Liver tissue and sera were used for measurement of HCV RNA by the Cobas Amplicor HCV Monitor. All patients had serum and liver HCV RNA, and both levels were correlated (r = 0.47; P = 0.003). Intrahepatic HCV load did not depend on age, sex, duration of HCV infection, CD4(+), HCV genotype, or fibrosis. AST levels correlated with intrahepatic HCV load (r = 0.52; P = 0.001). Patients with METAVIR A1/A2 had significantly lower levels of liver HCV-RNA than were found in patients with METAVIR A3 (P = 0.026). Highly active antiretroviral therapy (HAART) including protease inhibitors(PI)-treated patients had significantly lower intrahepatic HCV load (P = 0.04). A weak but significant correlation between serum and liver HCV RNA was found. The amount of hepatic HCV RNA was correlated with AST levels, histological activity, but not with HCV genotype or fibrosis. The immune improvement associated with PI regimens could help reduce HCV load, supporting a protective effect of PI-induced immune restoration.
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