Mo1930 THE DONOR DOES NOT MATTER IN THE FIGHT AGAINST RECURRENT CLOSTRIDIOIDES DIFFICILE INFECTION: RESULTS FROM TWO CLINICAL TRIALS EVALUATING THE SAFETY AND EFFICACY OF INVESTIGATIONAL MICROBIOTA-BASED DRUG RBX2660

2020 ◽  
Vol 158 (6) ◽  
pp. S-981
Author(s):  
Arnab Ray ◽  
Adam J. Harvey ◽  
Carlos Gonzalez ◽  
Bill Shannon ◽  
Lindy Bancke ◽  
...  
2020 ◽  
Vol 7 (Supplement_1) ◽  
pp. S627-S627
Author(s):  
Jae Hyun Shin ◽  
R Ann Hays ◽  
Cirle Warren

Abstract Background There are limited options for Clostridioides difficile infection (CDI) refractory to conventional antibiotic therapy (metronidazole, vancomycin, or fidaxomicin). Fecal microbiota transplant (FMT) is considered a safe and effective treatment for recurrent CDI but has not been widely utilized for refractory CDI due to concerns about safety. Even when included in studies, refractory CDI has not been analyzed separately from recurrent CDI. We reviewed cases of FMT performed in the inpatient setting for CDI to evaluate its safety and efficacy for refractory CDI. Methods Patients who received FMT inpatient at University of Virginia Health System for recurrent or refractory CDI after Infectious Diseases and Gastroenterology consultation signed informed consent acknowledging that FMT was considered investigational use in CDI not responding to standard of care as per 2014 FDA guidance. Charts were reviewed as part of quality improvement efforts to evaluate safety and efficacy of FMT in inpatient setting. Results Starting in July 2014, 13 patients received FMT for CDI as inpatients. Six received FMT for recurrent CDI, with four having complete resolution, one had recurrent CDI, and one had persistent C. difficile-negative diarrhea, for cure rate of 83%, comparable to published studies. Seven patients received FMT for refractory CDI, with three resulting in complete resolution. One responded to FMT but refused further care, one died from multiorgan failure after initial response to FMT that was possibly related to CDI, strongyloides, and/or CMV. Two patients had ongoing diarrhea suggestive of post-infectious irritable bowel syndrome, one was C. difficile-negative and one was not tested. The cure rate was 57%, lower than that of the recurrent CDI, but without any clear evidence of microbiologic failure. Outcome of patients undergoing FMT for CDI in the inpatient setting at University of Virginia Health System Conclusion Cure rate for FMT for refractory CDI was lower than recurrent CDI, but review of the cases of treatment failures did not reveal any microbiologic evidence of failure. FMT should be considered an alternative option when treating refractory CDI. Disclosures All Authors: No reported disclosures


2020 ◽  
Vol 10 (1) ◽  
pp. 2
Author(s):  
Rosa Escudero-Sánchez ◽  
María Ruíz-Ruizgómez ◽  
Jorge Fernández-Fradejas ◽  
Sergio García Fernández ◽  
María Olmedo Samperio ◽  
...  

Bezlotoxumab is marketed for the prevention of recurrent Clostridioides difficile infection (rCDI). Its high cost could be determining its prescription to a different population than that represented in clinical trials. The objective of the study was to verify the effectiveness and safety of bezlotoxumab in preventing rCDI and to investigate factors related to bezlotoxumab failure in the real world. A retrospective, multicentre cohort study of patients treated with bezlotoxumab in Spain was conducted. We compared the characteristics of cohort patients with those of patients treated with bezlotoxumab in the pivotal MODIFY trials. We assessed recurrence rates 12 weeks after completion of treatment against C. difficile, and we analysed the factors associated with bezlotoxumab failure. Ninety-one patients were included in the study. The cohort presented with more risk factors for rCDI than the patients included in the MODIFY trials. Thirteen (14.2%) developed rCDI at 12 weeks of follow-up, and rCDI rates were numerically higher in patients with two or more previous episodes (25%) than in those who had fewer than two previous episodes of C. difficile infection (CDI) (10.4%); p = 0.09. There were no adverse effects attributable to bezlotoxumab. Despite being used in a more compromised population than that represented in clinical trials, we confirm the effectiveness of bezlotoxumab for the prevention of rCDI.


Vaccine ◽  
2021 ◽  
Vol 39 (3) ◽  
pp. 536-544
Author(s):  
Vanessa W. Stevens ◽  
Ellyn M. Russo ◽  
Yinong Young-Xu ◽  
Molly Leecaster ◽  
Yue Zhang ◽  
...  

2019 ◽  
Vol 71 (4) ◽  
pp. 1102-1105 ◽  
Author(s):  
Ellie J C Goldstein ◽  
Diane M Citron ◽  
Dale N Gerding ◽  
Mark H Wilcox ◽  
Lori Gabryelski ◽  
...  

Abstract From Monoclonal Antibodies for C. difficile Therapy II, no participants (n = 0/69) with a sustained clinical cure through 12 weeks following bezlotoxumab infusion experienced recurrent Clostridioides difficile infection (rCDI) after 9 months (versus actoxumab + bezlotoxumab, n = 2/65; versus placebo, n = 1/34). Bezlotoxumab’s efficacy appears to be due to prevention rather than delayed onset of rCDI. Clinical Trials Registration. NCT01513239.


2019 ◽  
Vol 12 ◽  
pp. 175628481984765 ◽  
Author(s):  
Srishti Saha ◽  
Sahil Khanna

Clostridioides difficile infection (CDI) is a common cause of diarrhea in both inpatient and outpatient settings. The last few years have seen major changes in the treatment spectrum of CDI, most notably, recommendations against using metronidazole for initial CDI, the addition of fidaxomicin and bezlotoxumab, and emergence of microbial replacement therapies. Several other therapies are undergoing clinical trials. This narrative review focuses on the treatment of CDI with a summary of literature on the newer modalities and the treatment guidelines issued by Infectious Diseases Society of America and European Society of Clinical Microbiology and Infectious Diseases.


Author(s):  
Scott W Olesen ◽  
Ylaine Gerardin

Abstract Background Faecal microbiota transplantation [FMT] is a recommended treatment for recurrent Clostridioides difficile infection, and there is promise that FMT may be effective for conditions such as inflammatory bowel disease [IBD]. Previous FMT clinical trials have considered the possibility of a ‘donor effect’, that is, that FMT material from different donors has different clinical efficacies. Methods Here we re-evaluate evidence for donor effects in published FMT clinical trials for IBD. Results In ten of 12 published studies, no statistically significant donor effect was detected when rigorously re-evaluating the original analyses. One study showed statistically significant separation of microbiota composition of pools of donor stool when stratified by patient outcome. One study reported a significant effect but did not have underlying data available for re-evaluation. When quantifying the uncertainty on the magnitude of the donor effect, confidence intervals were large, including both zero donor effects and very substantial donor effects. Conclusion Although we found very little evidence for donor effects, the existing data cannot rule out the possibility that donor effects are clinically important. Large clinical trials prospectively designed to detect donor effects are probably needed to determine if donor effects are clinically relevant for IBD.


2021 ◽  
Vol 9 ◽  
pp. 205031212098673
Author(s):  
Paul Feuerstadt ◽  
Mena Boules ◽  
Laura Stong ◽  
David N Dahdal ◽  
Naomi C Sacks ◽  
...  

Objective: Clostridioides difficile infection and recurrent C. difficile infection result in substantial economic burden and healthcare resource use. Sepsis and bowel surgery are known to be serious complications of C. difficile infection. This study evaluated clinical complications in patients with C. difficile infection and recurrent C. difficile infection during a 12-month period following the primary C. difficile infection. Methods: A retrospective analysis of commercial claims data from the IQVIA PharMetrics Plus™ database was conducted for patients aged 18–64 years with an index C. difficile infection episode requiring inpatient stay or an outpatient visit for C. difficile infection followed by a C. difficile infection treatment. Each C. difficile infection episode ended after a 14-day C. difficile infection-claim-free period was observed. Recurrent C. difficile infection was defined as a further C. difficile infection episode within an 8-week window following the claim-free period. Clinical complications were documented over 12 months of follow-up and stratified by the number of recurrent C. difficile infection episodes (0 rCDI, 1 rCDI, 2 rCDI, and 3+ rCDI). Results: In total, 46,571 patients with index C. difficile infection episode were included. During the 6-month pre-index, the mean (standard deviation) baseline Charlson comorbidity index score, by increasing the recurrent C. difficile infection group, was 1.2 (1.9), 1.5 (2.2), 1.8 (2.3), and 2.3 (2.5). During the 12-month follow-up, sepsis occurred in 16.5%, 27.3%, 33.1%, and 43.3% of patients, and subtotal colectomy or diverting loop ileostomy was performed in 4.6%, 7.3%, 8.9%, and 10.5% of patients, respectively, by increasing the recurrent C. difficile infection group. Conclusions: Reduction in recurrent C. difficile infection is an important step to reduce the burden of serious clinical complications, and new treatments are needed to reduce C. difficile infection recurrence.


2020 ◽  
Vol 41 (S1) ◽  
pp. s116-s118
Author(s):  
Qunna Li ◽  
Andrea Benin ◽  
Alice Guh ◽  
Margaret A. Dudeck ◽  
Katherine Allen-Bridson ◽  
...  

Background: The NHSN has used positive laboratory tests for surveillance of Clostridioides difficile infection (CDI) LabID events since 2009. Typically, CDIs are detected using enzyme immunoassays (EIAs), nucleic acid amplification tests (NAATs), or various test combinations. The NHSN uses a risk-adjusted, standardized infection ratio (SIR) to assess healthcare facility-onset (HO) CDI. Despite including test type in the risk adjustment, some hospital personnel and other stakeholders are concerned that NAAT use is associated with higher SIRs than are EIAs. To investigate this issue, we analyzed NHSN data from acute-care hospitals for July 1, 2017 through June 30, 2018. Methods: Calendar quarters for which CDI test type was reported as NAAT (includes NAAT, glutamate dehydrogenase (GDH)+NAAT and GDH+EIA followed by NAAT if discrepant) or EIA (includes EIA and GDH+EIA) were selected. HO CDI SIRs were calculated for facility-wide inpatient locations. We conducted the following analyses: (1) Among hospitals that did not switch their test type, we compared the distribution of HO incident rates and SIRs by those reporting NAAT vs EIA. (2) Among hospitals that switched their test type, we selected quarters with a stable switch pattern of 2 consecutive quarters of each of EIA and NAAT (categorized as pattern EIA-to-NAAT or NAAT-to-EIA). Pooled semiannual SIRs for EIA and NAAT were calculated, and a paired t test was used to evaluate the difference of SIRs by switch pattern. Results: Most hospitals did not switch test types (3,242, 89%), and 2,872 (89%) reported sufficient data to calculate SIRs, with 2,444 (85%) using NAAT. The crude pooled HO CDI incidence rates for hospitals using EIA clustered at the lower end of the histogram versus rates for NAAT (Fig. 1). The SIR distributions of both NAAT and EIA overlapped substantially and covered a similar range of SIR values (Fig. 1). Among hospitals with a switch pattern, hospitals were equally likely to have an increase or decrease in their SIR (Fig. 2). The mean SIR difference for the 42 hospitals switching from EIA to NAAT was 0.048 (95% CI, −0.189 to 0.284; P = .688). The mean SIR difference for the 26 hospitals switching from NAAT to EIA was 0.162 (95% CI, −0.048 to 0.371; P = .124). Conclusions: The pattern of SIR distributions of both NAAT and EIA substantiate the soundness of NHSN risk adjustment for CDI test types. Switching test type did not produce a consistent directional pattern in SIR that was statistically significant.Disclosures: NoneFunding: None


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