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Tariq R, Malik S, Redij R, Arunachalam S, Faubion WA, Khanna S. Machine Learning-based Prediction Models for C difficile Infection: A Systematic Review. Clin Transl Gastroenterol 2024:01720094-990000000-00250. [PMID: 38661188 DOI: 10.14309/ctg.0000000000000705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 04/16/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND Despite research efforts, predicting Clostridioides difficile incidence and its outcomes remains challenging. This systematic review aimed to evaluate the performance of machine-learning (ML) models in predicting CDI incidence and complications using clinical data from electronic health records. METHODS We conducted a comprehensive search of databases (OVID, Embase, MEDLINE ALL, Web of Science, and Scopus) from inception up to September 2023. Studies employing ML techniques for predicting CDI or its complications were included. The primary outcome was the type and performance of ML models assessed using the area under the receiver operating characteristic curve (AUROC). RESULTS Twelve retrospective studies that evaluated CDI incidence and/or outcomes were included. The most common used ML models were random forest and Gradient Boosting. The AUROC ranged from 0.60 to 0.81 for predicting CDI incidence, 0.59 to 0.80 for recurrence, and 0.64 to 0.88 for predicting complications. Advanced ML models demonstrated similar performance to traditional logistic regression. However, there was notable heterogeneity in defining CDI and the different outcomes, including incidence, recurrence, and complications, and a lack of external validation in most studies. CONCLUSION ML models show promise in predicting CDI incidence and outcomes. However, the observed heterogeneity in CDI definitions and the lack of real-world validation highlight challenges in clinical implementation. Future research should focus on external validation and the use of standardized definitions across studies.
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Affiliation(s)
| | - Sheza Malik
- Rochester General Hospital, Rochester New York, USA
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Khanna S, Shah NL, Argo CK. Use of Phosphatidylethanol Testing in Patients With Liver Disease. Am J Gastroenterol 2024; 119:596-599. [PMID: 37782278 DOI: 10.14309/ajg.0000000000002537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 09/06/2023] [Indexed: 10/03/2023]
Affiliation(s)
- Sahil Khanna
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Virginia, Charlottesville, Virginia, USA
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Sehgal K, Yadav D, Saha S, Mara K, Grover M, Khanna S. Sex-Discordant Fecal Microbiota Transplantation for Clostridioides difficile May Increase Risk of Postinfection Irritable Bowel Syndrome. Gastroenterology 2024; 166:704-706.e2. [PMID: 38056511 DOI: 10.1053/j.gastro.2023.11.295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 11/27/2023] [Accepted: 11/30/2023] [Indexed: 12/08/2023]
Affiliation(s)
- Kanika Sehgal
- Department of Internal Medicine, Yale New Haven Hospital, New Haven, Connecticut; Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Devvrat Yadav
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota; Department of Internal Medicine, Sinai Hospital, Baltimore, Maryland
| | - Srishti Saha
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota; Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Kristin Mara
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota
| | - Madhusudan Grover
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota.
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Gupta VK, Rajendraprasad S, Ozkan M, Ramachandran D, Ahmad S, Bakken JS, Laudanski K, Gajic O, Bauer B, Zec S, Freeman DW, Khanna S, Shah A, Skalski JH, Sung J, Karnatovskaia LV. Safety, feasibility, and impact on the gut microbiome of kefir administration in critically ill adults. BMC Med 2024; 22:80. [PMID: 38378568 PMCID: PMC10880344 DOI: 10.1186/s12916-024-03299-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 02/12/2024] [Indexed: 02/22/2024] Open
Abstract
BACKGROUND Dysbiosis of the gut microbiome is frequent in the intensive care unit (ICU), potentially leading to a heightened risk of nosocomial infections. Enhancing the gut microbiome has been proposed as a strategic approach to mitigate potential adverse outcomes. While prior research on select probiotic supplements has not successfully shown to improve gut microbial diversity, fermented foods offer a promising alternative. In this open-label phase I safety and feasibility study, we examined the safety and feasibility of kefir as an initial step towards utilizing fermented foods to mitigate gut dysbiosis in critically ill patients. METHODS We administered kefir in escalating doses (60 mL, followed by 120 mL after 12 h, then 240 mL daily) to 54 critically ill patients with an intact gastrointestinal tract. To evaluate kefir's safety, we monitored for gastrointestinal symptoms. Feasibility was determined by whether patients received a minimum of 75% of their assigned kefir doses. To assess changes in the gut microbiome composition following kefir administration, we collected two stool samples from 13 patients: one within 72 h of admission to the ICU and another at least 72 h after the first stool sample. RESULTS After administering kefir, none of the 54 critically ill patients exhibited signs of kefir-related bacteremia. No side effects like bloating, vomiting, or aspiration were noted, except for diarrhea in two patients concurrently on laxatives. Out of the 393 kefir doses prescribed for all participants, 359 (91%) were successfully administered. We were able to collect an initial stool sample from 29 (54%) patients and a follow-up sample from 13 (24%) patients. Analysis of the 26 paired samples revealed no increase in gut microbial α-diversity between the two timepoints. However, there was a significant improvement in the Gut Microbiome Wellness Index (GMWI) by the second timepoint (P = 0.034, one-sided Wilcoxon signed-rank test); this finding supports our hypothesis that kefir administration can improve gut health in critically ill patients. Additionally, the known microbial species in kefir were found to exhibit varying levels of engraftment in patients' guts. CONCLUSIONS Providing kefir to critically ill individuals is safe and feasible. Our findings warrant a larger evaluation of kefir's safety, tolerability, and impact on gut microbiome dysbiosis in patients admitted to the ICU. TRIAL REGISTRATION NCT05416814; trial registered on June 13, 2022.
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Affiliation(s)
- Vinod K Gupta
- Microbiome Program, Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
- Division of Surgery Research, Department of Surgery, Mayo Clinic, Rochester, MN, USA
| | - Sanu Rajendraprasad
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | - Mahmut Ozkan
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Sumera Ahmad
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | - Johan S Bakken
- Section of Infectious Diseases, St Luke's Hospital, Duluth, MN, USA
| | - Krzysztof Laudanski
- Department of Anesthesiology and Perioperative Care, Mayo Clinic, Rochester, MN, USA
| | - Ognjen Gajic
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | - Brent Bauer
- Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Simon Zec
- Department of Anesthesiology and Perioperative Care, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - David W Freeman
- Department of Neurologic Surgery, Mayo Clinic, Jacksonville, FL, USA
| | - Sahil Khanna
- Division of Gastroenterology, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Aditya Shah
- Division of Public Health, Infectious Diseases, and Occupational Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Joseph H Skalski
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | - Jaeyun Sung
- Microbiome Program, Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA.
- Division of Surgery Research, Department of Surgery, Mayo Clinic, Rochester, MN, USA.
- Division of Rheumatology, Department of Medicine, Mayo Clinic, Rochester, MN, USA.
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Tome J, Khanna S, Pardi DS. Reply. Clin Gastroenterol Hepatol 2024:S1542-3565(24)00206-4. [PMID: 38367744 DOI: 10.1016/j.cgh.2024.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 02/08/2024] [Indexed: 02/19/2024]
Affiliation(s)
- June Tome
- Division of Gastroenterology and Hepatology, Mayo Clinic Rochester
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic Rochester
| | - Darrell S Pardi
- Division of Gastroenterology and Hepatology, Mayo Clinic Rochester
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Tariq R, Loftus EV, Pardi D, Khanna S. Durability and outcomes of fecal microbiota transplantation for recurrent Clostridioides difficile infection in patients with moderate to severe inflammatory bowel disease. Intest Res 2024:ir.2023.00100. [PMID: 38191281 DOI: 10.5217/ir.2023.00100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 11/01/2023] [Indexed: 01/10/2024] Open
Affiliation(s)
- Raseen Tariq
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Edward V Loftus
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Darrell Pardi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
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Oneto C, Khanna S. Prescription Microbiome Therapeutic for Recurrent Clostridioides difficile Infection: Fecal Microbiota Live-jslm. Am J Gastroenterol 2024; 119:S16-S21. [PMID: 38153221 DOI: 10.14309/ajg.0000000000002577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 10/22/2023] [Indexed: 12/29/2023]
Affiliation(s)
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
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Srivastava S, Basak U, Naghibi M, Vijayakumar V, Parihar R, Patel J, Jadon PS, Pandit A, Dargad RR, Khanna S, Kumar S, Day R. A randomized double-blind, placebo-controlled trial to evaluate the safety and efficacy of live Bifidobacterium longum CECT 7347 (ES1) and heat-treated Bifidobacterium longum CECT 7347 (HT-ES1) in participants with diarrhea-predominant irritable bowel syndrome. Gut Microbes 2024; 16:2338322. [PMID: 38630015 PMCID: PMC11028008 DOI: 10.1080/19490976.2024.2338322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 03/29/2024] [Indexed: 04/19/2024] Open
Abstract
To determine the efficacy of the probiotic Bifidobacterium longum CECT 7347 (ES1) and postbiotic heat-treated Bifidobacterium longum CECT 7347 (HT-ES1) in improving symptom severity in adults with diarrhea-predominant irritable bowel syndrome (IBS-D), a randomised, double-blind, placebo-controlled trial with 200 participants split into three groups was carried out. Two capsules of either ES1, HT-ES1 or placebo were administered orally, once daily, for 84 days (12 weeks). The primary outcome was change in total IBS-Symptom Severity Scale (IBS-SSS) score from baseline, compared to placebo. Secondary outcome measures were stool consistency, quality of life, abdominal pain severity and anxiety scores. Safety parameters and adverse events were also monitored. The change in IBS-SSS scores from baseline compared to placebo, reached significance in the ES1 and HT-ES1 group, on Days 28, 56 and 84. The decrease in mean IBS-SSS score from baseline to Day 84 was: ES1 (-173.70 [±75.60]) vs placebo (-60.44 [±65.5]) (p < .0001) and HT-ES1 (-177.60 [±79.32]) vs placebo (-60.44 [±65.5]) (p < .0001). Secondary outcomes included changes in IBS-QoL, APS-NRS, stool consistency and STAI-S and STAI-T scores, with changes from baseline to Day 84 being significant in ES1 and HT-ES1 groups, compared to the placebo group. Both ES1 and HT-ES1 were effective in reducing IBS-D symptom severity, as evaluated by measures such as IBS-SSS, IBS-QoL, APS-NRS, stool consistency, and STAI, in comparison to the placebo. These results are both statistically significant and clinically meaningful, representing, to the best of the authors' knowledge, the first positive results observed for either a probiotic or postbiotic from the same strain, in this particular population.
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Affiliation(s)
- S Srivastava
- Clinical Development & Science Communications, Vedic Lifesciences Pvt Ltd, Mumbai, India
| | - U Basak
- Clinical Development & Science Communications, Vedic Lifesciences Pvt Ltd, Mumbai, India
| | - M Naghibi
- Medical Department, ADM Health & Wellness, London, UK
| | - V Vijayakumar
- Medical Department, ADM Health & Wellness, London, UK
| | - R Parihar
- Gastroenterology Department, Gastroplus Digestive Disease Centre, Ahmedabad, India
| | - J Patel
- Gastroenterology Department, Apex Gastro Clinic and Hospital, Ahmedabad, India
| | - PS Jadon
- Medicine Department, Jaipur National University Institute for Medical Science & Research Centre, Jaipur, India
| | - A Pandit
- General Surgery Department, United Multispeciality Hospital, Maharashtra, India
| | - RR Dargad
- Medicine Department, Lilavati Hospital & Research Centre, Maharashtra, India
| | - S Khanna
- Gastroenterology Department, Criticare Asia Multispeciality hospital, Maharashtra, India
| | - S Kumar
- Independent Biostatistical Consultant, Delhi, India
| | - R Day
- Medical Department, ADM Health & Wellness, London, UK
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Tariq R, Malik S, Khanna S. Evolving Landscape of Large Language Models: An Evaluation of ChatGPT and Bard in Answering Patient Queries on Colonoscopy. Gastroenterology 2024; 166:220-221. [PMID: 37634736 DOI: 10.1053/j.gastro.2023.08.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 08/22/2023] [Indexed: 08/29/2023]
Affiliation(s)
- Raseen Tariq
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Sheza Malik
- Department of Internal Medicine, Rochester General Hospital, Rochester, New York
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
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Feuerstadt P, Allegretti JR, Dubberke ER, Guo A, Harvey A, Yang M, Garcia-Horton V, Fillbrunn M, Tillotson G, Bancke LL, LaPlante K, Garey KW, Khanna S. Efficacy and Health-Related Quality of Life Impact of Fecal Microbiota, Live-jslm: A Post Hoc Analysis of PUNCH CD3 Patients at First Recurrence of Clostridioides difficile Infection. Infect Dis Ther 2024; 13:221-236. [PMID: 38236515 PMCID: PMC10828144 DOI: 10.1007/s40121-023-00907-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 12/14/2023] [Indexed: 01/19/2024] Open
Abstract
INTRODUCTION Clostridioides difficile infection (CDI) causes symptoms of varying severity and negatively impacts patients' health-related quality of life (HRQL). Despite antibiotic treatment, recurrence of CDI (rCDI) is common and imposes clinical and economic burdens on patients. Fecal microbiota, live-jslm (REBYOTA [RBL]) is newly approved in the USA for prevention of rCDI following antibiotic treatments. We analyzed efficacy and HRQL impact of RBL vs. placebo in patients at first rCDI using data from the phase 3 randomized, double-blind placebo-controlled clinical trial, PUNCH CD3. METHODS This post hoc analysis included patients at first rCDI fromPUNCH CD3. Treatment success (i.e., absence of diarrhea within 8 weeks post-treatment) was analyzed adjusting for baseline patient characteristics. HRQL was measured using the Clostridioides difficile Quality of Life Survey (Cdiff32); absolute scores and change from baseline in total and domain (physical, mental, and social) scores were summarized and compared between arms. Analyses were conducted for the trial's blinded phase only. RESULTS Among 86 eligible patients (32.8% of the overall trial population, RBL 53 [61.6%], placebo 33 [38.4%]), RBL-treated patients had significantly lower odds of recurrence (i.e., greater probability of treatment success) at week 8 vs. placebo (odds ratio 0.35 [95% confidence interval 0.13, 0.98]). Probability of treatment success at week 8 was 81% for RBL and 60% for placebo, representing 21% absolute and 35% relative increases for RBL (crude proportions 79.2% vs. 60.6%; relative risk 0.53, p = 0.06). Additionally, RBL was associated with significantly higher Cdiff32 total (change score difference 13.5 [standard deviation 5.7], p < 0.05) and mental domain (16.2 [6.0], p < 0.01) scores vs. placebo from baseline to week 8. CONCLUSION Compared to placebo, RBL demonstrated a significantly higher treatment success in preventing further rCDI and enhanced HRQL among patients at first recurrence, establishing RBL as an effective treatment to prevent further recurrences in these patients. TRIAL REGISTRATION ClinicalTrials.gov Identifier NCT03244644.
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Affiliation(s)
- Paul Feuerstadt
- Yale University School of Medicine, New Haven, CT, USA.
- PACT-Gastroenterology Center, 2200 Whitney Avenue Suite 330 & 360, Hamden, CT, 06518, USA.
| | | | | | - Amy Guo
- Ferring Pharmaceuticals, Inc, Parsippany, NJ, USA
| | - Adam Harvey
- Rebiotix, a Ferring Company, Roseville, MN, USA
| | - Min Yang
- Analysis Group, Inc., Boston, MA, USA
- University of Texas at Austin, Austin, TX, USA
| | | | | | | | | | - Kerry LaPlante
- University of Rhode Island, Kingston, RI, USA
- Warren Alpert Medical School of Brown University, Providence, RI, USA
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Allegretti JR, Khanna S, Feuerstadt P. Practical Use of Fecal Microbiota Spores, Live BRPK for the Prevention of Recurrent Clostridioides difficile Infection. Am J Gastroenterol 2023; 118:2106-2108. [PMID: 37566894 DOI: 10.14309/ajg.0000000000002463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 08/04/2023] [Indexed: 08/13/2023]
Affiliation(s)
- Jessica R Allegretti
- Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Sahil Khanna
- Division of Gastroenterology, Mayo Clinic, Rochester, Minnesota, USA
| | - Paul Feuerstadt
- Division of Gastroenterology, Yale University School of Medicine, New Haven, Connecticut, USA
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12
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McChalicher CWJ, Lombardo MJ, Khanna S, McKenzie GJ, Halvorsen EM, Almomani S, Schuster B, Hasson BR, McGovern BH, Ege DS, Auniņš JG. Manufacturing Processes of a Purified Microbiome Therapeutic Reduce Risk of Transmission of Potential Bacterial Pathogens in Donor Stool. J Infect Dis 2023; 228:1452-1455. [PMID: 37540090 PMCID: PMC10640771 DOI: 10.1093/infdis/jiad298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 08/02/2023] [Indexed: 08/05/2023] Open
Abstract
BACKGROUND Although fecal microbiota transplant has been used to prevent recurrent Clostridioides difficile infection (rCDI), documented pathogen transmissions highlight inherent safety risks of minimally processed stool. We describe manufacturing processes for fecal microbiota spores, live (VOWST; VOS, formerly SER-109), a microbiota-based oral therapeutic of Firmicutes spores. METHODS Bacterial inactivation kill curves were obtained after ethanol exposure for 4 model organisms spiked into process intermediates. RESULTS Bacterial log reduction factors ranged from 6.5 log10 to 7.4 log10 and lysis of spiked organisms occurred rapidly within 30 seconds. CONCLUSIONS These experiments demonstrate substantial and rapid inactivation of representative organisms, supporting the potential benefit of VOS manufacturing processes to mitigate risk.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - David S Ege
- Seres Therapeutics, Cambridge, Massachusetts, USA
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Tariq R, Khanna S. Artificial Intelligence-Powered Patient Education for Comprehensive and Individualized Understanding for Patients. Clin Gastroenterol Hepatol 2023:S1542-3565(23)00910-2. [PMID: 37944575 DOI: 10.1016/j.cgh.2023.10.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 10/10/2023] [Accepted: 10/17/2023] [Indexed: 11/12/2023]
Affiliation(s)
- Raseen Tariq
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
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Tome J, Sehgal K, Kamboj AK, Harmsen WS, Khanna S, Pardi DS. Bile Acid Sequestrants in Microscopic Colitis: Clinical Outcomes and Utility of Bile Acid Testing. Clin Gastroenterol Hepatol 2023; 21:3125-3131.e2. [PMID: 37172800 DOI: 10.1016/j.cgh.2023.04.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/18/2023] [Accepted: 04/22/2023] [Indexed: 05/15/2023]
Abstract
BACKGROUND & AIMS Bile acid sequestrants (BAS) may be a treatment in microscopic colitis (MC), but efficacy data are limited. We evaluated the effectiveness of BAS in MC and assessed the utility of bile acid testing to predict response. METHODS Adults with MC treated with BAS (2010-2020) at Mayo Clinic were identified. Bile acid malabsorption was defined by elevated serum 7⍺-hydroxy-4-cholesten-3-one or by fecal testing using previously validated cutoffs. Response was defined at 12 ± 4 weeks after BAS initiation as: complete (resolution of diarrhea), partial (≥50% improvement in diarrhea), nonresponse (<50% improvement), and intolerance (discontinuation due to side effects). Logistic regression was used to identify predictors of response to BAS. RESULTS We identified 282 patients (median age, 59 years [range, 20-87 years]; 88.3% women) with median follow-up of 4.5 years (range, 0.4-9.1 years). Patients were treated with the following BAS: 64.9% cholestyramine, 21.6% colesevelam, and 13.5% colestipol. Clinical outcomes were: 49.3% complete response, 16.3% partial response, 24.8% nonresponse, and 9.6% intolerance. There were no differences in outcomes between those on BAS alone or BAS combined with other medications (P = .98). The dose of BAS was not associated with response (P = .51). Bile acid testing was done in 31.9% of patients, and 56.7% were positive. No predictors of response to BAS were identified. After BAS discontinuation, 41.6% had recurrence at a median of 21 weeks (range, 1-172 weeks). CONCLUSION In one of the largest cohorts evaluating BAS treatment in MC, nearly two-thirds had a partial or complete response. Additional research is needed to determine the role of BAS and bile acid malabsorption in MC.
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Affiliation(s)
- June Tome
- Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - Kanika Sehgal
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Amrit K Kamboj
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - William S Harmsen
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Darrell S Pardi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota.
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Berry P, Khanna S. Recurrent Clostridioides difficile Infection: Current Clinical Management and Microbiome-Based Therapies. BioDrugs 2023; 37:757-773. [PMID: 37493938 DOI: 10.1007/s40259-023-00617-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/13/2023] [Indexed: 07/27/2023]
Abstract
Clostridioides difficile is one of the most important causes of healthcare-associated diarrhea. The high incidence and recurrence rates of C. difficile infection, as well as its associated morbidity and mortality, are great concerns. The most common complication of C. difficile infection is recurrence, with rates of 20-30% after a primary infection and 60% after three or more episodes. Medical management of recurrent C. difficile infection involves a choice of therapy that is different from the antibiotic used in the primary episode. Patients with recurrent C. difficile infection also benefit from fecal microbiota transplantation or standardized microbiome restoration therapies (approved or experimental) to restore eubiosis. In contrast to antibiotics, microbiome restoration therapies restore a normal gut flora and eliminate C. difficile colonization and infection. Fecal microbiota transplantation in recurrent C. difficile infection has demonstrated higher success rates than vancomycin, fidaxomicin, or placebo. Fecal microbiota transplantation has traditionally been considered safe, with the most common adverse reactions being abdominal discomfort, and diarrhea, and rare serious adverse events. Significant heterogeneity and a lack of standardization regarding the process of preparation, and administration of fecal microbiota transplantation remain a major pitfall. Standardized microbiome-based therapies provide a promising alternative. In the ECOSPOR III trial of SER-109, an oral formulation of bacterial spores, a significant reduction in the recurrence rate (12%) was observed compared with placebo (40%). In the phase III PUNCH CD3 trial, RBX2660 also demonstrated high efficacy rates of 70.6% versus 57.5%. Both these agents are now US Food and Drug Administration approved for recurrent C. difficile infection. Other standardized microbiome-based therapies currently in the pipeline are VE303, RBX7455, and MET-2. Antibiotic neutralization strategies, vaccines, passive monoclonal antibodies, and drug repurposing are other therapeutic strategies being explored to treat C. difficile infection.
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Affiliation(s)
- Parul Berry
- All India Institute of Medical Sciences, New Delhi, India
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, C. difficile Clinic and Microbiome Restoration Program, Mayo Clinic, 200 1st Street SW, Rochester, MN, 55905, USA.
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16
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Koop AH, Travers PM, Khanna S, Pardi DS, Farraye FA, Hashash JG. Fidaxomicin treatment for Clostridioides difficile infection in patients with inflammatory bowel disease. J Gastroenterol Hepatol 2023; 38:1910-1916. [PMID: 37337469 DOI: 10.1111/jgh.16265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 05/23/2023] [Accepted: 06/06/2023] [Indexed: 06/21/2023]
Abstract
BACKGROUND AND AIM Although fidaxomicin is an effective first-line treatment for Clostridioides difficile infection, it has not been well studied in patients with inflammatory bowel disease. We aimed to assess the effectiveness of fidaxomicin for the treatment of C. difficile infection in patients with inflammatory bowel disease. METHODS This was a multicenter retrospective study of adults with inflammatory bowel disease and C. difficile infection treated with fidaxomicin with at least 3 months of follow up. The primary outcomes were treatment response, defined as resolution of C. difficile infection-attributed diarrhea and/or negative C. difficile infection stool test, and time to C. difficile infection recurrence after fidaxomicin. RESULTS Thirty-three patients (median age 42 years; 60.6% female) were included. Most patients had ulcerative colitis (26, 78.8%), were receiving treatment with a biologic or small molecule medication (19, 57.6%), and had a prior episode of C. difficile infection (26, 78.8%, median 2 episodes, range 0-15). Fidaxomicin led to resolution of C. difficile infection in 20 (60.6%) patients, with 6/20 (30.0%) developing a recurrence at a median of 55 days. Most patients who failed to respond to fidaxomicin underwent fecal microbiota transplantation (10/13, 76.9%) with resolution. CONCLUSIONS In this cohort of patients with inflammatory bowel disease and C. difficile infection, 60.6% responded to treatment with fidaxomicin. Of those who did not respond, fecal microbiota transplantation was an effective therapy.
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Affiliation(s)
- Andree H Koop
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA
| | - Paul M Travers
- Division of Community Internal Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
| | - Darrell S Pardi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
| | - Francis A Farraye
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA
| | - Jana G Hashash
- Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA
- Division of Gastroenterology and Hepatology, American University of Beirut, Beirut, Lebanon
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Sartelli M, Barie PS, Coccolini F, Abbas M, Abbo LM, Abdukhalilova GK, Abraham Y, Abubakar S, Abu-Zidan FM, Adebisi YA, Adamou H, Afandiyeva G, Agastra E, Alfouzan WA, Al-Hasan MN, Ali S, Ali SM, Allaw F, Allwell-Brown G, Amir A, Amponsah OKO, Al Omari A, Ansaloni L, Ansari S, Arauz AB, Augustin G, Awazi B, Azfar M, Bah MSB, Bala M, Banagala ASK, Baral S, Bassetti M, Bavestrello L, Beilman G, Bekele K, Benboubker M, Beović B, Bergamasco MD, Bertagnolio S, Biffl WL, Blot S, Boermeester MA, Bonomo RA, Brink A, Brusaferro S, Butemba J, Caínzos MA, Camacho-Ortiz A, Canton R, Cascio A, Cassini A, Cástro-Sanchez E, Catarci M, Catena R, Chamani-Tabriz L, Chandy SJ, Charani E, Cheadle WG, Chebet D, Chikowe I, Chiara F, Cheng VCC, Chioti A, Cocuz ME, Coimbra R, Cortese F, Cui Y, Czepiel J, Dasic M, de Francisco Serpa N, de Jonge SW, Delibegovic S, Dellinger EP, Demetrashvili Z, De Palma A, De Silva D, De Simone B, De Waele J, Dhingra S, Diaz JJ, Dima C, Dirani N, Dodoo CC, Dorj G, Duane TM, Eckmann C, Egyir B, Elmangory MM, Enani MA, Ergonul O, Escalera-Antezana JP, Escandon K, Ettu AWOO, Fadare JO, Fantoni M, Farahbakhsh M, Faro MP, Ferreres A, Flocco G, Foianini E, Fry DE, Garcia AF, Gerardi C, Ghannam W, Giamarellou H, Glushkova N, Gkiokas G, Goff DA, Gomi H, Gottfredsson M, Griffiths EA, Guerra Gronerth RI, Guirao X, Gupta YK, Halle-Ekane G, Hansen S, Haque M, Hardcastle TC, Hayman DTS, Hecker A, Hell M, Ho VP, Hodonou AM, Isik A, Islam S, Itani KMF, Jaidane N, Jammer I, Jenkins DR, Kamara IF, Kanj SS, Jumbam D, Keikha M, Khanna AK, Khanna S, Kapoor G, Kapoor G, Kariuki S, Khamis F, Khokha V, Kiggundu R, Kiguba R, Kim HB, Kim PK, Kirkpatrick AW, Kluger Y, Ko WC, Kok KYY, Kotecha V, Kouma I, Kovacevic B, Krasniqi J, Krutova M, Kryvoruchko I, Kullar R, Labi KA, Labricciosa FM, Lakoh S, Lakatos B, Lansang MAD, Laxminarayan R, Lee YR, Leone M, Leppaniemi A, Hara GL, Litvin A, Lohsiriwat V, Machain GM, Mahomoodally F, Maier RV, Majumder MAA, Malama S, Manasa J, Manchanda V, Manzano-Nunez R, Martínez-Martínez L, Martin-Loeches I, Marwah S, Maseda E, Mathewos M, Maves RC, McNamara D, Memish Z, Mertz D, Mishra SK, Montravers P, Moro ML, Mossialos E, Motta F, Mudenda S, Mugabi P, Mugisha MJM, Mylonakis E, Napolitano LM, Nathwani D, Nkamba L, Nsutebu EF, O’Connor DB, Ogunsola S, Jensen PØ, Ordoñez JM, Ordoñez CA, Ottolino P, Ouedraogo AS, Paiva JA, Palmieri M, Pan A, Pant N, Panyko A, Paolillo C, Patel J, Pea F, Petrone P, Petrosillo N, Pintar T, Plaudis H, Podda M, Ponce-de-Leon A, Powell SL, Puello-Guerrero A, Pulcini C, Rasa K, Regimbeau JM, Rello J, Retamozo-Palacios MR, Reynolds-Campbell G, Ribeiro J, Rickard J, Rocha-Pereira N, Rosenthal VD, Rossolini GM, Rwegerera GM, Rwigamba M, Sabbatucci M, Saladžinskas Ž, Salama RE, Sali T, Salile SS, Sall I, Kafil HS, Sakakushev BE, Sawyer RG, Scatizzi M, Seni J, Septimus EJ, Sganga G, Shabanzadeh DM, Shelat VG, Shibabaw A, Somville F, Souf S, Stefani S, Tacconelli E, Tan BK, Tattevin P, Rodriguez-Taveras C, Telles JP, Téllez-Almenares O, Tessier J, Thang NT, Timmermann C, Timsit JF, Tochie JN, Tolonen M, Trueba G, Tsioutis C, Tumietto F, Tuon FF, Ulrych J, Uranues S, van Dongen M, van Goor H, Velmahos GC, Vereczkei A, Viaggi B, Viale P, Vila J, Voss A, Vraneš J, Watkins RR, Wanjiru-Korir N, Waworuntu O, Wechsler-Fördös A, Yadgarova K, Yahaya M, Yahya AI, Xiao Y, Zakaria AD, Zakrison TL, Zamora Mesia V, Siquini W, Darzi A, Pagani L, Catena F. Ten golden rules for optimal antibiotic use in hospital settings: the WARNING call to action. World J Emerg Surg 2023; 18:50. [PMID: 37845673 PMCID: PMC10580644 DOI: 10.1186/s13017-023-00518-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 09/23/2023] [Indexed: 10/18/2023] Open
Abstract
Antibiotics are recognized widely for their benefits when used appropriately. However, they are often used inappropriately despite the importance of responsible use within good clinical practice. Effective antibiotic treatment is an essential component of universal healthcare, and it is a global responsibility to ensure appropriate use. Currently, pharmaceutical companies have little incentive to develop new antibiotics due to scientific, regulatory, and financial barriers, further emphasizing the importance of appropriate antibiotic use. To address this issue, the Global Alliance for Infections in Surgery established an international multidisciplinary task force of 295 experts from 115 countries with different backgrounds. The task force developed a position statement called WARNING (Worldwide Antimicrobial Resistance National/International Network Group) aimed at raising awareness of antimicrobial resistance and improving antibiotic prescribing practices worldwide. The statement outlined is 10 axioms, or "golden rules," for the appropriate use of antibiotics that all healthcare workers should consistently adhere in clinical practice.
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Orenstein R, Hecht G, Harvey A, Tillotson G, Khanna S. Two-year durability of REBYOTA™ (RBL), a live biotherapeutic for the prevention of recurrent Clostridioides difficile infections. Open Forum Infect Dis 2023; 10:ofad456. [PMID: 37691735 PMCID: PMC10485881 DOI: 10.1093/ofid/ofad456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023] Open
Affiliation(s)
| | - Gail Hecht
- Division of Gastroenterology, Hepatology and Nutrition, Loyola University Medical Center, Maywood, IL, USA
| | - Adam Harvey
- Rebiotix Inc., a Ferring Company, Roseville, MN, USA
| | | | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
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Tome J, Tariq R, Hassett LC, Khanna S, Pardi DS. Effectiveness and Safety Profile of Budesonide Maintenance in Microscopic Colitis: A Systematic Review and Meta-Analysis. Inflamm Bowel Dis 2023:izad178. [PMID: 37589651 DOI: 10.1093/ibd/izad178] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Indexed: 08/18/2023]
Abstract
BACKGROUND Microscopic colitis (MC) is a common cause of chronic diarrhea. Randomized controlled trials (RCTs) have demonstrated the efficacy of budesonide treatment for MC. However, relapse is frequent after discontinuation of budesonide, and data on maintenance therapy are limited. We performed a systematic review and meta-analysis evaluating these outcomes in clinical trials and real-world settings. METHODS A systematic search was performed on October 31, 2022, of Medline, Embase, Cochrane, and Scopus. Case series, case-control, cohort studies, and RCTs of adults with MC were included. Data were pooled using random effects models to calculate weighted pooled estimates and 95% confidence intervals. Heterogeneity was assessed using the I2 statistic. RESULTS We included 35 studies (11 RCTs, 24 observational studies) with 1657 MC patients treated with budesonide induction and 146 for maintenance. The overall pooled clinical remission rate with budesonide treatment was similar between RCTs and observational studies. The pooled remission rate with budesonide maintenance therapy was 84% (95% CI, 0.60-1.00; I2 = 91%). After budesonide discontinuation, the pooled relapse rate was 53% (95% CI, 0.42-0.63; I2 = 76%). On maintenance therapy, no differences were noted in adverse events (eg, metabolic bone disease, hypertension, hyperglycemia, cataracts/glaucoma) in those on budesonide vs placebo or other noncorticosteroid medications for MC (P = .9). CONCLUSIONS Budesonide is an effective maintenance treatment for MC. There is a high risk of recurrence after budesonide discontinuation, but long-term use at the lowest effective dose appears to be relatively safe and have limited adverse effects.
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Affiliation(s)
- June Tome
- Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Raseen Tariq
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | | | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Darrell S Pardi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
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Fridkin SK, Onwubiko UN, Dube W, Robichaux C, Traenkner J, Goodenough D, Angulo FJ, Zamparo JM, Gonzalez E, Khanna S, Myers C, Dumyati G. Determinates of Clostridioides difficile infection (CDI) testing practices among inpatients with diarrhea at selected acute-care hospitals in Rochester, New York, and Atlanta, Georgia, 2020-2021. Infect Control Hosp Epidemiol 2023; 44:1085-1092. [PMID: 36102331 PMCID: PMC10369210 DOI: 10.1017/ice.2022.205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/25/2022] [Accepted: 08/01/2022] [Indexed: 11/07/2022]
Abstract
OBJECTIVE We evaluated the impact of test-order frequency per diarrheal episodes on Clostridioides difficile infection (CDI) incidence estimates in a sample of hospitals at 2 CDC Emerging Infections Program (EIP) sites. DESIGN Observational survey. SETTING Inpatients at 5 acute-care hospitals in Rochester, New York, and Atlanta, Georgia, during two 10-workday periods in 2020 and 2021. OUTCOMES We calculated diarrhea incidence, testing frequency, and CDI positivity (defined as any positive NAAT test) across strata. Predictors of CDI testing and positivity were assessed using modified Poisson regression. Population estimates of incidence using modified Emerging Infections Program methodology were compared between sites using the Mantel-Hanzel summary rate ratio. RESULTS Surveillance of 38,365 patient days identified 860 diarrhea cases from 107 patient-care units mapped to 26 unique NHSN defined location types. Incidence of diarrhea was 22.4 of 1,000 patient days (medians, 25.8 for Rochester and 16.2 for Atlanta; P < .01). Similar proportions of diarrhea cases were hospital onset (66%) at both sites. Overall, 35% of patients with diarrhea were tested for CDI, but this differed by site: 21% in Rochester and 49% in Atlanta (P < .01). Regression models identified location type (ie, oncology or critical care) and laxative use predictive of CDI test ordering. Adjusting for these factors, CDI testing was 49% less likely in Rochester than Atlanta (adjusted rate ratio, 0.51; 95% confidence interval [CI], 0.40-0.63). Population estimates in Rochester had a 38% lower incidence of CDI than Atlanta (summary rate ratio, 0.62; 95% CI, 0.54-0.71). CONCLUSION Accounting for patient-specific factors that influence CDI test ordering, differences in testing practices between sites remain and likely contribute to regional differences in surveillance estimates.
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Affiliation(s)
- Scott K. Fridkin
- Division of Infectious Diseases, Department of Medicine, Emory University, Atlanta, Georgia
- Rollins School of Public Health, Emory University, AtlantaGeorgia
| | | | - William Dube
- Division of Infectious Diseases, Department of Medicine, Emory University, Atlanta, Georgia
| | - Chad Robichaux
- Division of Biomedical Informatics, Department of Medicine, Emory University, Atlanta, Georgia
| | - Jessica Traenkner
- Division of Infectious Diseases, Department of Medicine, Emory University, Atlanta, Georgia
| | - Dana Goodenough
- Foundation for Atlanta Veterans’ Education and Research, Decatur, Georgia
- Atlanta Veterans’ Affairs Medical Center, Decatur, Georgia
- Georgia Emerging Infections Program, Atlanta, Georgia
| | - Frederick J. Angulo
- Medical Development and Scientific/Clinical Affairs, Pfizer Vaccines, Collegeville, Pennsylvania
| | - Joann M. Zamparo
- Medical Development and Scientific/Clinical Affairs, Pfizer Vaccines, Collegeville, Pennsylvania
| | - Elisa Gonzalez
- Medical Development and Scientific/Clinical Affairs, Pfizer Vaccines, Collegeville, Pennsylvania
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Christopher Myers
- Center for Community Health and Prevention, University of Rochester Medical Center, Rochester, New York
- Infectious Diseases Division, University of Rochester Medical Center, Rochester, New York
| | - Ghinwa Dumyati
- Center for Community Health and Prevention, University of Rochester Medical Center, Rochester, New York
- Infectious Diseases Division, University of Rochester Medical Center, Rochester, New York
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Khanna S, Voth E. Therapeutics for Clostridioides difficile infection: molecules and microbes. Expert Rev Gastroenterol Hepatol 2023; 17:903-911. [PMID: 37606962 DOI: 10.1080/17474124.2023.2250716] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/11/2023] [Accepted: 08/18/2023] [Indexed: 08/23/2023]
Abstract
INTRODUCTION Clostridioides difficile infection (CDI) is a major healthcare problem in the developed world, and effective management of recurrent infection remains one of the biggest challenges. Several advances have occurred in the management of CDI, and in the last 15 years, multiple new agents have been tested. Since 2011, four new products have been approved by the US FDA for treatment of CDI or prevention of recurrent CDI. AREAS COVERED This review focuses on therapeutics of CDI and includes sections on primary prevention, management of active infection, and prevention of recurrent CDI. Specifically, data are included on fecal microbiota transplantation and live biotherapeutics. A comprehensive search of several databases including Ovid MEDLINE(R) and Epub Ahead of Print, In-Process & Other Non-Indexed Citations, and Daily, Ovid EMBASE, Ovid Cochrane Central Register of Controlled Trials, Ovid Cochrane Database of Systematic Reviews, and Scopus from inception to 1 May 2023 was conducted. EXPERT OPINION Metronidazole is no longer advised for management of outpatient CDI. The preferred medication of choice for a first episode is oral vancomycin or fidaxomicin. For those patients who recur after the first episode, vancomycin taper pulse or fidaxomicin can be used. Intravenous bezlotoxumab, a monoclonal antibody, is available to prevent recurrences. There are now two FDA-approved microbiome-based therapies or live biotherapeutics for prevention of recurrent CDI, for any recurrent CDI and not necessarily multiply recurrent C difficile. Fecal microbiota transplantation remains available in limited settings for recurrent CDI.
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Affiliation(s)
- Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Elida Voth
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
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Tariq R, Tosh PK, Pardi DS, Khanna S. Reduction in urinary tract infections in patients treated with fecal microbiota transplantation for recurrent Clostridioides difficile infection. Eur J Clin Microbiol Infect Dis 2023:10.1007/s10096-023-04635-4. [PMID: 37351724 DOI: 10.1007/s10096-023-04635-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 06/14/2023] [Indexed: 06/24/2023]
Abstract
We performed an updated study to investigate the rates of urinary tract infections (UTIs) in patients with recurrent Clostridioides difficile infection (CDI) who received fecal microbiota transplantation (FMT) for CDI. We found a significant reduction in number of UTIs after FMT compared to patients who received antibiotics for CDI treatment. After FMT, we also observed a trend towards reduction of antibiotic resistance in organisms causing UTI.
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Affiliation(s)
- Raseen Tariq
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Pritish K Tosh
- Division of Infectious Diseases, Mayo Clinic, Rochester, MN, USA
| | - Darrell S Pardi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA.
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Lee C, Louie T, Bancke L, Guthmueller B, Harvey A, Feuerstadt P, Khanna S, Orenstein R, Dubberke ER. Safety of fecal microbiota, live-jslm (REBYOTA ™) in individuals with recurrent Clostridioides difficile infection: data from five prospective clinical trials. Therap Adv Gastroenterol 2023; 16:17562848231174277. [PMID: 37333464 PMCID: PMC10272687 DOI: 10.1177/17562848231174277] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 04/06/2023] [Indexed: 06/20/2023] Open
Abstract
Background Microbiota-based treatments reduce the incidence of recurrent Clostridioides difficile infections (rCDIs), but prospectively collected safety data needed to broaden patient access and protect public health have been limited. Objectives We provide cumulative safety data from five prospective clinical trials evaluating fecal microbiota, live-jslm (RBL) - the first microbiota-based live biotherapeutic product approved by the US Food and Drug Administration - for preventing rCDI in adults. Design Integrated safety analysis includes three phase II trials (PUNCH CD, PUNCH CD2, PUNCH Open-Label) and two phase III trials (PUNCH CD3, PUNCH CD3-OLS) of RBL. Methods Trial participants were at least 18 years of age with documented rCDI who completed standard-of-care antibiotic therapy before treatment with RBL. Assigned study treatment regimen was one or two doses of RBL (or placebo) administered rectally, depending on the trial design. In four of the five trials, participants with CDI recurrence within 8 weeks after RBL or placebo administration were eligible for treatment with open-label RBL. Treatment-emergent adverse events (TEAEs) were recorded for at least 6 months following last study treatment; in PUNCH CD2 and PUNCH Open-Label trials, TEAEs and serious TEAEs were collected through 12 and 24 months, respectively. Results Among the five trials, 978 participants received at least one dose of RBL (assigned treatment or after recurrence) and 83 participants received placebo only. TEAEs were reported in 60.2% of Placebo Only participants and 66.4% of RBL Only participants. Only abdominal pain, nausea, and flatulence were significantly higher in the RBL Only group compared with the Placebo Only group. Most TEAEs were mild or moderate in severity and were most frequently related to preexisting conditions. There were no reported infections for which the causative pathogen was traced to RBL. Potentially life-threatening TEAEs were infrequent (3.0% of participants). Conclusion Across five clinical trials, RBL was well tolerated in adults with rCDI. In aggregate, these data consistently demonstrated the safety of RBL.
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Affiliation(s)
- Christine Lee
- Medical Microbiologist and Researcher, Island Health, Clinical Professor, Department of Pathology and Laboratory Medicine, The University of British Columbia Faculty of Medicine, Vancouver, BC V6T 1Z3, Canada
- Island Medical Program University of British Columbia, University of Victoria, Victoria, BC, Canada
| | - Thomas Louie
- University of Calgary and Foothills Medical Center, Calgary, AB, Canada
| | - Lindy Bancke
- Rebiotix Inc., a Ferring Company, Roseville, MN, USA
| | | | - Adam Harvey
- Rebiotix Inc., a Ferring Company, Roseville, MN, USA
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Gawey BJ, Khanna S. Clostridioides difficile Infection: Landscape and Microbiome Therapeutics. Gastroenterol Hepatol (N Y) 2023; 19:319-328. [PMID: 37706187 PMCID: PMC10496268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
Clostridioides difficile infection (CDI) is the leading cause of hospital-acquired diarrhea and is common in the community. Both younger individuals who may be healthy otherwise and older individuals with comorbid conditions are at risk for developing CDI, with the predominant risk factor being antibiotic use. Unlike other gastrointestinal infections, CDI is not self-limited, requires antimicrobial therapy, and tends to recur at high rates even without additional risk factor exposure. The goals of CDI management include controlling active symptoms and using a recurrence prevention strategy such as a narrow-spectrum antibiotic, tapered and pulsed regimens, antibody- based therapies (directed against toxin B), or microbiome restoration. In recent years, fecal microbiota transplantation (FMT) has been the most used modality to prevent recurrent CDI with high cure rates. Heterogeneity, lack of scalability, and serious adverse events from FMT have led to development of standardized microbiota restoration therapies (MRTs). The US Food and Drug Administration has approved 2 stool-derived MRTs for prevention of recurrent CDI: fecal microbiota, live-jslm, an enema-based therapy; and fecal microbiota spores, live-brpk, an oral therapy. A phase 3 trial for a synthetic oral MRT is underway. This article outlines the pathophysiology and treatment of CDI, focusing primarily on the gut microbiome and standardized MRTs.
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Affiliation(s)
- Brent J. Gawey
- Department of Medicine, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Sahil Khanna
- Department of Medicine, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
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Tariq R, Pardi DS, Khanna S. Resolution rates in clinical trials for microbiota restoration for recurrent Clostridioides difficile infection: an updated systematic review and meta-analysis. Therap Adv Gastroenterol 2023; 16:17562848231174293. [PMID: 37274301 PMCID: PMC10236242 DOI: 10.1177/17562848231174293] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 04/20/2023] [Indexed: 06/06/2023] Open
Abstract
Background Microbiota restoration is highly effective to treat recurrent Clostridioides difficile infection (CDI) in observational studies (cure rates >90%) but efficacy in controlled clinical trials appears to be lower. Objectives To perform an updated meta-analysis to assess the efficacy of microbiota restoration for recurrent CDI in open-label registered prospective clinical trials compared to randomized controlled trials (RCTs). Design A systematic review and meta-analysis was conducted. Data Sources and Methods A systematic search of various databases was performed up to July 2022 to identify studies of interest. Clinical trials of microbiota restoration for recurrent CDI with clinical resolution with one dose were included. We calculated weighted pooled rates (WPRs) with 95% confidence intervals (CIs). Results In all, 19 clinical trials with 1176 recurrent CDI patients were included. Of the patients treated with microbiota restoration, 897 experienced a clinical cure with a single microbiota restoration therapy (WPR, 78%; 95% CI, 71-85%). There was significant heterogeneity among studies with an I2 of 88%. Analysis of trials with a control arm (non-microbiota restoration) revealed CDI resolution in 373 of 523 patients (WPR, 72%; 95% CI, 60-82%) with microbiota restoration. Among the nine open-label clinical trials, CDI resolution was seen in 524 of 653 patients after initial microbiota restoration (WPR, 84%; 95% CI, 74-92%). Comparison of resolution rates between RCTs and open-label trials revealed a lower cure rate in RCTs compared to open-label trials (WPR, 73 versus 84%, p < 0.0001). Conclusions Microbiota restoration in a randomized controlled setting leads to lower resolution rates compared to open label and observational settings, likely due to stricter definitions and inclusion criteria. Resolution rates in open-label studies were similar to observational studies.
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Affiliation(s)
- Raseen Tariq
- Division of Gastroenterology and Hepatology,
Mayo Clinic, Rochester, MN, USA
| | - Darrell S. Pardi
- Division of Gastroenterology and Hepatology,
Mayo Clinic, Rochester, MN, USA
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology,
Mayo Clinic, 200 1st Street SW, Rochester, MN 55905, USA
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Louie T, Golan Y, Khanna S, Bobilev D, Erpelding N, Fratazzi C, Carini M, Menon R, Ruisi M, Norman JM, Faith JJ, Olle B, Li M, Silber JL, Pardi DS. VE303, a Defined Bacterial Consortium, for Prevention of Recurrent Clostridioides difficile Infection: A Randomized Clinical Trial. JAMA 2023; 329:1356-1366. [PMID: 37060545 PMCID: PMC10105904 DOI: 10.1001/jama.2023.4314] [Citation(s) in RCA: 32] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 03/07/2023] [Indexed: 04/16/2023]
Abstract
Importance The effect of rationally defined nonpathogenic, nontoxigenic, commensal strains of Clostridia on prevention of Clostridioides difficile infection (CDI) is unknown. Objective To determine the efficacy of VE303, a defined bacterial consortium of 8 strains of commensal Clostridia, in adults at high risk for CDI recurrence. The primary objective was to determine the recommended VE303 dosing for a phase 3 trial. Design, Setting, and Participants Phase 2, randomized, double-blind, placebo-controlled, dose-ranging study conducted from February 2019 to September 2021 at 27 sites in the US and Canada. The study included 79 participants aged 18 years or older who were diagnosed with laboratory-confirmed CDI with 1 or more prior CDI episodes in the last 6 months and those with primary CDI at high risk for recurrence (defined as aged ≥75 years or ≥65 years with ≥1 risk factors: creatinine clearance <60 mL/min/1.73 m2, proton pump inhibitor use, remote [>6 months earlier] CDI history). Interventions Participants were randomly assigned to high-dose VE303 (8.0 × 109 colony-forming units [CFUs]) (n = 30), low-dose VE303 (1.6 × 109 CFUs) (n = 27), or placebo capsules (n = 22) orally once daily for 14 days. Main Outcomes and Measures The primary efficacy end point was the proportion of participants with CDI recurrence at 8 weeks using a combined clinical and laboratory definition. The primary efficacy end point was analyzed in 3 prespecified analyses, using successively broader definitions for an on-study CDI recurrence: (1) diarrhea consistent with CDI plus a toxin-positive stool sample; (2) diarrhea consistent with CDI plus a toxin-positive, polymerase chain reaction-positive, or toxigenic culture-positive stool sample; and (3) diarrhea consistent with CDI plus laboratory confirmation or (in the absence of a stool sample) treatment with a CDI-targeted antibiotic. Results Baseline characteristics were similar across the high-dose VE303 (n = 29; 1 additional participant excluded from efficacy analysis), low-dose VE303 (n = 27), and placebo (n = 22) groups. The participants' median age was 63.5 years (range, 24-96); 70.5% were female; and 1.3% were Asian, 1.3% Black, 2.6% Hispanic, and 96.2% White. CDI recurrence rates through week 8 (using the efficacy analysis 3 definition) were 13.8% (4/29) for high-dose VE303, 37.0% (10/27) for low-dose VE303, and 45.5% (10/22) for placebo (P = .006, high-dose VE303 vs placebo). Conclusions and Relevance Among adults with laboratory-confirmed CDI with 1 or more prior CDI episodes in the last 6 months and those with primary CDI at high risk for recurrence, high-dose VE303 prevented recurrent CDI compared with placebo. A larger, phase 3 study is needed to confirm these findings. Trial Registration ClinicalTrials.gov Identifier: NCT03788434.
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Affiliation(s)
- Thomas Louie
- University of Calgary and Foothills Medical Centre, Calgary, Alberta, Canada
| | - Yoav Golan
- Tufts Medical Center, Boston, Massachusetts
| | | | - Dmitri Bobilev
- Vedanta Biosciences Inc, Cambridge, Massachusetts
- Fusion Pharmaceuticals, Boston, Massachusetts
| | - Nathalie Erpelding
- Vedanta Biosciences Inc, Cambridge, Massachusetts
- Bicycle Therapeutics, Cambridge, Massachusetts
| | - Candida Fratazzi
- Vedanta Biosciences Inc, Cambridge, Massachusetts
- Boston Biotech Clinical Research, Natick, Massachusetts
| | - Meg Carini
- Vedanta Biosciences Inc, Cambridge, Massachusetts
| | - Rajita Menon
- Vedanta Biosciences Inc, Cambridge, Massachusetts
| | - Mary Ruisi
- Vedanta Biosciences Inc, Cambridge, Massachusetts
- C4 Therapeutics, Watertown, Massachusetts
| | | | | | - Bernat Olle
- Vedanta Biosciences Inc, Cambridge, Massachusetts
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Gupta S, Khanna S. P069 Barriers in the diagnosis and treatment of early breast cancer in a low middle income country (LMIC): an epidemiological profile of breast cancer patients from a teaching hospital in North India. Breast 2023. [DOI: 10.1016/s0960-9776(23)00187-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023] Open
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Feuerstadt P, Allegretti JR, Khanna S. Practical Use of RBX2660 for the Prevention of Recurrent Clostridioides difficile Infection. Am J Gastroenterol 2023:00000434-990000000-00663. [PMID: 36695753 DOI: 10.14309/ajg.0000000000002195] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 01/19/2023] [Indexed: 01/26/2023]
Affiliation(s)
- Paul Feuerstadt
- Department of Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
- PACT-Gastroenterology Center, Hamden, Connecticut, USA
| | - Jessica R Allegretti
- Division of Gastroenterology, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
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Tariq R, Pardi DS, Khanna S. A268 RESOLUTION RATES IN OPEN-LABEL VERSUS RANDOMIZED CONTROLLED TRIALS FOR MICROBIOTA RESTORATION FOR RECURRENT CLOSTRIDIOIDES DIFFICILE INFECTION: AN UPDATED META-ANALYSIS. J Can Assoc Gastroenterol 2023. [PMCID: PMC9991219 DOI: 10.1093/jcag/gwac036.268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
Abstract
Background Microbiota restoration is highly effective to treat recurrent Clostridioides difficile infection (CDI) in observational studies (cure rates >90%) but efficacy in controlled clinical trials appears lower. Purpose We performed an updated meta-analysis to assess the efficacy of microbiota restoration for recurrent CDI in open-label registered prospective clinical trials compared to randomized controlled trials (RCTs). Method A systematic search of Embase, Web of Science and Scopus was performed up to June 2022 to identify studies of interest. Clinical trials of microbiota restoration for recurrent CDI with clinical resolution with one dose as the primary outcome were included. We calculated both unweighted and weighted pooled resolution rates (UPR and WPR) with 95% confidence intervals (CI). Result(s) Eighteen studies (9 RCTs and 9 open-label trials) with 1149 CDI patients were included. Of the patients treated with microbiota restoration, 881 experienced symptom resolution (UPR 77%%; WPR 79%, 95% CI, 72%-85%). There was significant heterogeneity among studies with an I2of 86%. Analysis of trials with a control arm (non-microbiota restoration) revealed CDI resolution in 357 of 496 patients (UPR 72%; WPR 73%, 95% CI 63%-82%) with microbiota restoration. Among the 9 open-label clinical trials, CDI resolution was seen in 524 of 653 patients after initial microbiota restoration (UPR 80%; WPR 84%, 95% CI 74%-92%). Comparison of resolution rates between RCTs and open-label trials revealed a lower cure rate in RCTs compared to open-label trials (WPR 73% vs 84%, p<0.0001). Analysis of the 10 trials with non-microbiota restoration revealed CDI resolution in 201 of 397 patients with antibiotics (WPR 52%, 95% CI 43%-60%). There was significant heterogeneity among the included studies with an I2of 61%. Comparison of cure rates with microbiota restoration vs antibiotics showed higher cure rate with microbiota restoration (WPR 73%, [95% CI 63%-82%] vs 52% [95% CI, 43%-60%]; p<0.0001). There were no serious adverse events reported. Conclusion(s) Microbiota restoration in a randomized controlled setting leads to lower resolution rates compared to open label and observational settings, likely due to stricter definitions and inclusion criteria. Resolution rates in open label studies were similar to observational studies. Please acknowledge all funding agencies by checking the applicable boxes below None Disclosure of Interest None Declared
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Affiliation(s)
- R Tariq
- Mayo Clinic, Rochester, United States
| | - D S Pardi
- Mayo Clinic, Rochester, United States
| | - S Khanna
- Mayo Clinic, Rochester, United States
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Tariq R, Tahir MW, Khanna S. A233 OUTCOMES OF CLOSTRIDIOIDES DIFFICILE INFECTION IN SURGICAL PATIENTS: RESULTS FROM NATIONAL INPATIENT SAMPLE 2016-2019. J Can Assoc Gastroenterol 2023. [PMCID: PMC9991353 DOI: 10.1093/jcag/gwac036.233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
Abstract
Background Clostridioides difficile infection (CDI) is the most common nosocomial infection and is associated with significant morbidity and mortality. Purpose We aimed to identify the burden of CDI in patients undergoing common gastrointestinal (GI) surgical procedures in a national inpatient cohort, as GI surgeries have been thought to be a risk factor for CDI. Method We used the National Inpatient Sample (NIS) database from Unites States for the years 2016-2019 for this study. We included adult patients (age ≥ 18), who underwent common GI surgeries (identified using ICD-10 procedure codes), and among them identified patients with diagnosis of CDI. Outcomes assessed included risk of CDI among different surgeries, inpatient mortality, length of stay (LOS) and cost of hospitalization using regression analyses Result(s) From 2016 to 2019, an estimated total of 4,438,778 patients were hospitalized and underwent any of the studied GI surgeries. CDI was reported in 32,180 admissions (0.72%). Median age for CDI was higher than non-CDI patients (66 vs 56, p<0.001). Incidence of CDI was 2.5 times higher in patients admitted emergently compared to elective admissions (1.00% vs 0.40%, p<0.0001). Among all surgeries, the incidence of CDI was the highest for small bowel resection at 2.1% followed by partial esophagectomy at 1.6% and partial colectomy at 1.4%. Logistic regression analysis showed the patients undergoing esophagectomy had the highest risk with adjusted Odds Ratio (aOR) of 2.48, (95% CI 2.01 – 3.07, p<0.0001), followed by pancreatectomy with aOR 2.03 (95% CI 1.91 – 2.16, p<0.0001). Overall, surgical patients with CDI had a significantly higher in-patient mortality compared to non-CDI patients (8.2% vs 1.4%, p<0.0001). Logistic regression analysis showed an increased risk of inpatient mortality with CDI, with aOR 1.36, 95% CI 1.30 – 1.42, p<0.0001. Median LOS for surgical patients with CDI was higher than non-CDI patients (14 days vs 3 days, p<0.0001). The linear regression analysis for length of stay showed that among patients undergoing surgical procedures, CDI was associated with an increased LOS with beta of 8.39 days ± SE 0.04 (95% CI 8.31 – 8.46, p<0.0001). The mean cost of hospitalization for surgical patients with CDI was higher than non-CDI patients ($90,590 vs $31,702, p<0.0001) after adjusting for inflation over the four-year period. The linear regression analysis showed that CDI was associated with an increased cost of hospitalization with a beta of $25,343 ± SE 166 (95% CI 25,017 – 25,670, p<0.0001). Conclusion(s) CDI among GI surgeries leads to increase in inpatient mortality, length of stay and cost of hospitalization. Although the rate of CDI is showing a downwards trend, its impact on these outcome measures makes it an important complication to prevent and promptly treat in these surgical patients. Please acknowledge all funding agencies by checking the applicable boxes below None Disclosure of Interest None Declared
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Affiliation(s)
| | - M W Tahir
- Rochester General Hospital, Rochester, United States
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Tariq R, Syed T, Yadav D, Prokop LJ, Singh S, Loftus EV, Pardi DS, Khanna S. Outcomes of Fecal Microbiota Transplantation for C. difficile Infection in Inflammatory Bowel Disease : A Systematic Review and Meta-analysis. J Clin Gastroenterol 2023; 57:285-293. [PMID: 34864789 DOI: 10.1097/mcg.0000000000001633] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 10/10/2021] [Indexed: 12/10/2022]
Abstract
BACKGROUND Fecal microbiota transplantation (FMT) is a safe and effective therapy for recurrent Clostridioides difficile infection (CDI). Data on FMT for CDI in patients with underlying inflammatory bowel disease (IBD) are emerging but conflicting. We performed a systematic review and meta-analysis to describe the efficacy and safety of FMT for CDI in IBD and its impact on IBD outcomes. METHODS A systematic search of multiple databases including Embase, Scopus, and Web of Science was performed. Our primary analysis focused on pooled rate of CDI resolution after single and multiple FMTs in IBD patients. Additional analyses included rates of IBD-associated outcomes (flare, surgery, symptom improvement) after FMT. The random-effects model was used to calculate pooled rates. RESULTS Among 457 adult patients, 363 had CDI resolution after first FMT with a pooled cure rate of 78% [95% confidence interval (CI): 73%-83%; I2 =39%]. Overall pooled rate cure rate with single and multiple FMTs was 88% (95% CI: 81%-94%; I2 =73%). The pooled rate of an IBD flare after FMT was 26.8% (95% CI: 22.5%-31.6%; I2 =9%) and of colectomy was 7.3% (95% CI: 4.7%-10.5%; I2 =56%). Among 141 pediatric patients, 106 had CDI resolution after first FMT with pooled cure rate of 78% (95% CI: 58%-93%; I2 =59%). Overall pooled cure rate with single and multiple FMTs was 77% (95% CI: 50%-96%; I2 =63%). The pooled rate of an IBD flare after FMT was 10.8% (95% CI: 5.7%-18.5% I2 =43%), and of colectomy was 10.3% (95% CI: 2.1%-30.2% I2 =23%). CONCLUSIONS FMT appears to be a highly effective therapy for preventing recurrent CDI in patients with IBD. Patients who fail a single FMT may benefit from multiple FMTs.
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Affiliation(s)
- Raseen Tariq
- Division of Gastroenterology and Hepatology
- Department of Internal Medicine, Rochester General Hospital
| | - Tausif Syed
- Department of Internal Medicine, Unity Hospital, Rochester, NY
| | | | | | - Siddharth Singh
- Division of Gastroenterology and Hepatology, University of California San Diego, La Jolla, CA
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Dubberke ER, Orenstein R, Khanna S, Guthmueller B, Lee C. Final Results from a Phase 2b Randomized, Placebo-Controlled Clinical Trial of RBX2660: A Microbiota-Based Drug for the Prevention of Recurrent Clostridioides difficile Infection. Infect Dis Ther 2023; 12:703-709. [PMID: 36544075 PMCID: PMC9925615 DOI: 10.1007/s40121-022-00744-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 12/01/2022] [Indexed: 12/24/2022] Open
Abstract
INTRODUCTION Effective treatments for recurrent Clostridioides difficile infection (rCDI) are urgently needed. RBX2660 is an investigational microbiota-based live biotherapeutic to reduce CDI recurrence following standard-of-care antibiotic treatment in individuals with rCDI. Here we report the final safety data through 24 months of follow-up as well as final efficacy data, reflecting alignment of the pre-specified statistical analysis plan definitions with the data presented. METHODS The PUNCH CD2 clinical trial was a prospective, multicenter, randomized, double-blinded, placebo-controlled, three-arm phase 2b study conducted to evaluate the efficacy and safety of RBX2660 for the reduction of rCDI compared to placebo. Eligible patients were at least 18 years of age and had at least three episodes of CDI and at least two rounds of standard antibiotic treatment or had at least two episodes of severe CDI resulting in hospitalization. Patients were randomized 1:1:1 to group A, two doses of RBX2660; group B, two doses of placebo; or group C, one dose of RBX2660 and one dose of placebo; all administered 7 ± 2 days apart. Treatment success was prevention of recurrence, defined as absence of diarrhea and no re-treatment for CDI any time after the first dose until 8 weeks after the second dose of the study treatment. Safety was assessed by reports of adverse events and symptoms. The final efficacy and safety are reported for data available through 24 months. RESULTS For the primary endpoint, treatment success at 8 weeks, 56.8% (25/45) of participants who received one dose of RBX2660 + one dose of placebo, 55.6% (25/45) of participants who received two doses of RBX2660, and 43.2% (19/44) of participants who received two doses of placebo in the final intention-to-treat (ITT) population were responders (both p = 0.2 vs placebo). In the per-protocol population, 87.5% (21/24) of participants who received one dose of RBX2660 + one dose of placebo and 58.1% (18/31) of those who received two doses of placebo had treatment success (p = 0.017; treatment difference, 29.4 [95% CI 7.6, 51.3]); 75.0% (21/28) of participants in the PP population who received two doses of RBX2660 were responders (p = 0.17 vs placebo). The safety profile of RBX2660, whether delivered as one or two doses, was similar to the placebo group. CONCLUSION While the phase 2b PUNCH CD2 clinical trial did not meet its pre-defined primary endpoint of treatment success at 8 weeks after two doses of RBX2660 vs two doses of placebo, clinically meaningful data were obtained to justify proceeding with the single dose regimen in the phase 3 clinical trial, PUNCH CD3, now complete. To date, the cumulative data for RBX2660 demonstrate consistent efficacy and safety outcomes for reduction of CDI recurrence in adults. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov: NCT02299570.
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Affiliation(s)
- Erik R Dubberke
- Washington University School of Medicine, St. Louis, MO, USA.
- , 660 S Euclid, Box 8051, St. Louis, MO, 63110, USA.
| | | | | | | | - Christine Lee
- University of Victoria and British Columbia, British Columbia, Canada
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Sims MD, Khanna S, Feuerstadt P, Louie TJ, Kelly CR, Huang ES, Hohmann EL, Wang EEL, Oneto C, Cohen SH, Berenson CS, Korman L, Lee C, Lashner B, Kraft CS, Ramesh M, Silverman M, Pardi DS, De A, Memisoglu A, Lombardi DA, Hasson BR, McGovern BH, von Moltke L. Safety and Tolerability of SER-109 as an Investigational Microbiome Therapeutic in Adults With Recurrent Clostridioides difficile Infection: A Phase 3, Open-Label, Single-Arm Trial. JAMA Netw Open 2023; 6:e2255758. [PMID: 36780159 PMCID: PMC9926325 DOI: 10.1001/jamanetworkopen.2022.55758] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/14/2023] Open
Abstract
IMPORTANCE A safe and effective treatment for recurrent Clostridioides difficile infection (CDI) is urgently needed. Antibiotics kill toxin-producing bacteria but do not repair the disrupted microbiome, which promotes spore germination and infection recurrence. OBJECTIVES To evaluate the safety and rate of CDI recurrence after administration of investigational microbiome therapeutic SER-109 through 24 weeks. DESIGN, SETTING, AND PARTICIPANTS This phase 3, single-arm, open-label trial (ECOSPOR IV) was conducted at 72 US and Canadian outpatient sites from October 2017 to April 2022. Adults aged 18 years or older with recurrent CDI were enrolled in 2 cohorts: (1) rollover patients from the ECOSPOR III trial who had CDI recurrence diagnosed by toxin enzyme immunoassay (EIA) and (2) patients with at least 1 CDI recurrence (diagnosed by polymerase chain reaction [PCR] or toxin EIA), inclusive of their acute infection at study entry. INTERVENTIONS SER-109 given orally as 4 capsules daily for 3 days following symptom resolution after antibiotic treatment for CDI. MAIN OUTCOMES AND MEASURES The main outcomes were safety, measured as the rate of treatment-emergent adverse events (TEAEs) in all patients receiving any amount of SER-109, and cumulative rates of recurrent CDI (toxin-positive diarrhea requiring treatment) through week 24 in the intent-to-treat population. RESULTS Of 351 patients screened, 263 were enrolled (180 [68.4%] female; mean [SD] age, 64.0 [15.7] years); 29 were in cohort 1 and 234 in cohort 2. Seventy-seven patients (29.3%) were enrolled with their first CDI recurrence. Overall, 141 patients (53.6%) had TEAEs, which were mostly mild to moderate and gastrointestinal. There were 8 deaths (3.0%) and 33 patients (12.5%) with serious TEAEs; none were considered treatment related by the investigators. Overall, 23 patients (8.7%; 95% CI, 5.6%-12.8%) had recurrent CDI at week 8 (4 of 29 [13.8%; 95% CI, 3.9%-31.7%] in cohort 1 and 19 of 234 [8.1%; 95% CI, 5.0%-12.4%] in cohort 2), and recurrent CDI rates remained low through 24 weeks (36 patients [13.7%; 95% CI, 9.8%-18.4%]). At week 8, recurrent CDI rates in patients with a first recurrence were similarly low (5 of 77 [6.5%; 95% CI, 2.1%-14.5%]) as in patients with 2 or more recurrences (18 of 186 [9.7%; 95% CI, 5.8%-14.9%]). Analyses by select baseline characteristics showed consistently low recurrent CDI rates in patients younger than 65 years vs 65 years or older (5 of 126 [4.0%; 95% CI, 1.3%-9.0%] vs 18 of 137 [13.1%; 95% CI, 8.0%-20.0%]) and patients enrolled based on positive PCR results (3 of 69 [4.3%; 95% CI, 0.9%-12.2%]) vs those with positive toxin EIA results (20 of 192 [10.4%; 95% CI, 6.5%-15.6%]). CONCLUSIONS AND RELEVANCE In this trial, oral SER-109 was well tolerated in a patient population with recurrent CDI and prevalent comorbidities. The rate of recurrent CDI was low regardless of the number of prior recurrences, demographics, or diagnostic approach, supporting the beneficial impact of SER-109 for patients with CDI. TRIAL REGISTRATION ClinicalTrials.gov identifier: NCT03183141.
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Affiliation(s)
- Matthew D. Sims
- Section of Infectious Diseases and International Medicine, Department of Internal Medicine, Beaumont Hospital, Royal Oak, Michigan
- Department of Internal Medicine, Oakland University William Beaumont School of Medicine, Rochester, Michigan
- Department of Foundational Medical Studies, Oakland University William Beaumont School of Medicine, Rochester, Michigan
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Paul Feuerstadt
- Division of Digestive Disease, Yale University School of Medicine, New Haven, Connecticut
- Physicians Alliance of Connecticut–Gastroenterology Center, Hamden, Connecticut
| | - Thomas J. Louie
- Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Colleen R. Kelly
- Department of Medicine, Warren Alpert Medical School of Brown University, Providence, Rhode Island
| | - Edward S. Huang
- Department of Gastroenterology, Palo Alto Medical Foundation, Sutter Health, Mountain View, California
| | | | | | | | | | | | - Louis Korman
- Gastroenterology and Hepatology, Chevy Chase Clinical Research, Chevy Chase, Maryland
| | - Christine Lee
- Island Medical Program, University of British Columbia and University of Victoria, British Columbia, Canada
| | | | - Colleen S. Kraft
- Department of Pathology and Laboratory Medicine, Division of Infectious Diseases, Emory University, Atlanta, Georgia
| | - Mayur Ramesh
- Division of Infectious Diseases, Henry Ford Health, Detroit, Michigan
| | | | - Darrell S. Pardi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Ananya De
- Seres Therapeutics, Cambridge, Massachusetts
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Saha S, Pardi R, Theiler RN, Pardi DS, Khanna S. Effect of peripartum Clostridioides difficile infection on pregnancy and neonatal outcomes: an observational study. Therap Adv Gastroenterol 2023; 16:17562848231170479. [PMID: 37124369 PMCID: PMC10141253 DOI: 10.1177/17562848231170479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 04/01/2023] [Indexed: 05/02/2023] Open
Abstract
Background The incidence of Clostridioides difficile infection (CDI) in peripartum women is rising, but limited data on its effect on maternal and neonatal outcomes are available. Objective To study the effect of peripartum CDI on pregnancy and neonatal outcomes. Design Retrospective cohort study. Methods Patients with peripartum CDI 12 weeks before pregnancy through 6 weeks postpartum (January 1996-February 2018) were matched with controls (peripartum women without CDI) 1:1 by age, year of delivery, and prior pregnancies. McNemar's test and conditional logistic regression were used to analyze the effect of CDI on pregnancy and neonatal outcomes (complications, mode of delivery). p < 0.05 was considered statistically significant. Results Overall, 101 cases and 100 controls (1997-2018) were included; median age 27 (range, 20-41) years. Timing of CDI was as follows: pre-pregnancy: 15.8% (n = 16), during pregnancy: 51.5% (n = 52), and postpartum: 32.7% (n = 33). The commonest risk factor was outpatient/emergency room visits. Pregnancy and neonatal outcomes were analyzed for 67 matched pairs with CDI before or during pregnancy. Cases had higher odds of cesarean delivery (p = 0.02) and lower odds of Group B Streptococcus (GBS) infection/colonization (p = 0.03). Odds of cesarean delivery remained high after controlling for labor arrest disorders [odds ratio (OR): 17.23 (95% confidence interval (CI), 2.19-543.19; p = 0.004)]; odds of GBS remained low after controlling for antibiotic use (OR: 0.25, 95% CI, 0.04-0.99; p = 0.049). Neonatal outcomes were similar in cases and controls. CDI treatment did not affect treatment-related or delivery outcomes. Conclusion Peripartum CDI was associated with higher odds of cesarean delivery and lower odds of GBS infections. Larger studies exploring the effect of CDI on pregnancy and neonatal outcomes are needed.
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Affiliation(s)
- Srishti Saha
- Division of Gastroenterology and Hepatology,
Mayo Clinic, Rochester, MN, USA
| | - Ryan Pardi
- Division of Gastroenterology and Hepatology,
Mayo Clinic, Rochester, MN, USA
| | - Regan N. Theiler
- Division of Obstetrics, Department of
Obstetrics and Gynecology, Mayo Clinic, Rochester, MN, USA
| | - Darrell S. Pardi
- Division of Gastroenterology and Hepatology,
Mayo Clinic, Rochester, MN, USA
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Sehgal K, Tome J, Kamboj AK, Dierkhising RA, Pardi DS, Khanna S. The natural history of histological changes in microscopic colitis. Therap Adv Gastroenterol 2023; 16:17562848231168237. [PMID: 37124370 PMCID: PMC10141248 DOI: 10.1177/17562848231168237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 03/21/2023] [Indexed: 05/02/2023] Open
Abstract
Background Microscopic colitis (MC) causes chronic diarrhea. It has two histologic subtypes: lymphocytic colitis (LC) and collagenous colitis (CC). Little is known about the natural progression of disease with time and with treatment. Objectives We aimed to assess histological changes over time. Design We designed a retrospective study including adults diagnosed with MC from January 1992 to January 2020 at Mayo Clinic. Methods Pathology reports were reviewed until 31 October 2020. Histological assessments at least 8 weeks apart were considered as adequate follow-up. Histological change from one subtype to the other and resolution were tracked with univariate and multivariable Cox proportional hazards models. Results Overall, 416 patients with a median age at diagnosis of 63.9 years with >1 histopathological assessment were identified. Histology at initial diagnosis was CC in 218 (52.4%) patients and LC in 198 (47.6%). No medications were associated with a histological change. However, histological resolution was more likely with the use of aspirin [hazard ratio (HR): 2.10, 95% confidence interval (CI): 1.34-3.31, p = 0.001) and proton-pump inhibitors (PPIs; HR: 2.01, 95% CI: 1.34-3.02, p = 0.001). Histological resolution was more likely with budesonide treatment (HR: 1.86, 95% CI: 1.16-3.00, p = 0.010) and less likely with mesalamine (HR: 0.40, 95% CI: 0.19-0.83, p = 0.014), compared to medications such as prednisone, loperamide, and bismuth. Patients with CC were less likely to change their histology compared to patients with LC (HR: 0.24, 95% CI: 0.14-0.42, p < 0.001). There was no difference in histological resolution between the two subtypes (HR: 0.70, 95% CI: 0.47-1.05, p = 0.084). Conclusion Patients with LC have a higher chance of changing their histology as compared to CC. However, histological resolution was associated with the use of PPIs and aspirin, and treatment with budesonide.
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Affiliation(s)
- Kanika Sehgal
- Department of Internal Medicine, Yale New Haven
Hospital, New Haven, CT, USA
- Division of Gastroenterology and Hepatology,
Mayo Clinic, Rochester, MN, USA
| | - June Tome
- Department of Internal Medicine, Mayo Clinic,
Rochester, MN, USA
| | - Amrit K. Kamboj
- Division of Gastroenterology and Hepatology,
Mayo Clinic, Rochester, MN, USA
| | - Ross A. Dierkhising
- Department of Quantitative Health Sciences,
Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, MN,
USA
| | - Darrell S. Pardi
- Division of Gastroenterology and Hepatology,
Mayo Clinic, Rochester, MN, USA
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Fridkin S, Myers CJ, Diseases I, Onwubiko UN, Dube WC, Robichaux C, Khanna S, Zamparo JM, Angulo FJ, Dumyati G. 387. Differences in frequency of C. difficile infection testing of inpatients with diarrhea at selected acute care hospitals in NY and GA, 2020. Open Forum Infect Dis 2022. [PMCID: PMC9751807 DOI: 10.1093/ofid/ofac492.465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Background Clostridioides difficile infection (CDI) incidence estimates vary between geographic regions; few studies have evaluated the impact of CDI test order frequency on estimated CDI incidence. We evaluated this impact in a sample of hospitals at two CDC Emerging Infections Program (EIP) sites. Methods Daily surveillance was conducted for diarrhea among inpatients at 5 acute care hospitals (2,379 beds) in EIP sites in NY (2 hospitals) and GA (3 hospitals) during two 10-workday periods in 2020 and 2021. Diarrhea onset, test orders, and specimen collection status were ascertained. Stools were tested by PCR/NAAT initially or after negative EIA toxin. Differences in diarrhea incidence, testing frequency, and CDI positivity across site, care locations and hospitals were compared using Wilcoxon rank sum test. Correlates of CDI testing and positivity were assessed using modified Poisson regression. Estimates of incidence using EIP methodology at 5 hospitals was compared between sites using Mantel-Hanzel summary rate ratio. Results Surveillance of 38,365 patient-days (PD) identified 860 diarrhea cases from 107 patient-care locations mapped to 26 unique NHSN defined location-types. Incidence of diarrhea was 22.4/1000 PD (medians 25.8 NY, 16.2 GA, P< 0.01); with similar proportions of diarrhea being hospital-onset (66%) and CDI positive (17%) by site. Overall, 35% were tested for CDI (21% NY, 49% GA, P< 0.01). Percent tested varied by NHSN location type (Figure). Regression models identified location-type (oncology, critical care), laxatives use, chemotherapy, and residing in EIP catchment area predictive of testing (Figure). Adjusting for these factors, NY was 49% less likely than GA to test (aRR 0.51, 95% CI 0.40-0.63). Simulation of EIP methods estimated NY had a 38% lower incidence of CDI than GA (summary rate ratio 0.62, 95% CI, 0.54-0.71).
![]() Incidence of Diarrheal Episodes (A) and Proportions Tested (B) among Hospitalized Patients, 2021 (solid, ward; open, critical care; grey, oncology), and adjusted relative risk (solid circles) with 95% confidence intervals (whisker) of independent predictors of testing for CDI (C). Conclusion After adjusting for patient characteristics (e.g., location-type, laxative use), the likelihood of testing still differed between NY and GA sites; the magnitude of the differences in testing was similar to that observed in estimated CDI incidence. Testing practices likely influence surveillance data and is a consideration when comparing data across regions. Disclosures Scott Fridkin, MD, Pfizer: Grant/Research Support christopher J. Myers, MS, Infectious diseases, Pfizer: Grant/Research Support Udodirim N. Onwubiko, MBBS MPH, Pfizer: Grant/Research Support William C. Dube, MPH, Pfizer: Grant/Research Support Sahil Khanna, MBBS, MS, Pfizer: Grant/Research Support Joann M. Zamparo, MPH, Pfizer: Employee|Pfizer: Stocks/Bonds Frederick J. Angulo, DVM PhD, Pfizer Vaccines: Employee|Pfizer Vaccines: Stocks/Bonds Ghinwa Dumyati, MD, Pfizer: Grant/Research Support.
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Venkat PG, Nguyen NH, Luo J, Qian AS, Khanna S, Singh S. Impact of recurrent hospitalization for Clostridioides difficile on longitudinal outcomes in patients with inflammatory bowel diseases: a nationally representative cohort. Therap Adv Gastroenterol 2022; 15:17562848221141501. [PMID: 36518884 PMCID: PMC9742703 DOI: 10.1177/17562848221141501] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 11/09/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Clostridioides difficile infection (CDI) is associated with poor outcomes in patients with inflammatory bowel diseases (IBD). OBJECTIVES We conducted a nationally representative cohort study to evaluate the impact of recurrent CDI (rCDI)-related hospitalization on longitudinal unplanned healthcare utilization in patients with IBD. DESIGN This was a retrospective cohort study that utilized the 2017 Nationwide Readmissions Database (NRD). METHODS We identified 13,446 patients with IBD, hospitalized at least twice from January to June 2017 and followed through December 2017; of these, 1,148 had CDI-related hospitalizations. We compared the annual burden of hospitalization and IBD-related surgery in IBD patients with rCDI-related admission versus single CDI-related admission (primary reference), and those with one or more CDI-related admission versus no CDI-related admission (secondary reference). RESULTS There were no significant differences in risk and burden of unplanned healthcare utilization (time spent in-hospital, 27 days versus 27 days, p = 0.62), 6-month readmission (63% versus 64.3%, p = 0.8) or IBD-related surgery in patients with recurrent (two or more) CDI-related hospitalizations versus single CDI-related admission. However, patients with ⩾1 CDI-related admission versus no CDI admissions experienced higher rate of 6-month readmission (61.1% versus 55.7%, p<.001), total days spent in the hospital per year (median: 26 days versus 21 days, p<.001), total cost across all hospitalizations per year ($212,524 versus $184,384, p < 0.01), and inpatient mortality (3.28% versus 1.81%, p = 0.01), without an increase in risk of IBD-related surgery (6.7% versus 6.4%, p = 0.79). CONCLUSION While patients with IBD hospitalized for CDI have poor longitudinal inpatient outcomes, recurrent admissions for CDI may not increase risk of adverse outcomes compared to one-time admission.
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Affiliation(s)
- Preethi G. Venkat
- Division of Gastroenterology, Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Nghia H. Nguyen
- Division of Gastroenterology, Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Jiyu Luo
- Division of Biostatistics, Department of Public Health Education, University of California San Diego, La Jolla, CA, USA
| | - Alexander S. Qian
- Division of Gastroenterology, Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
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Seekatz AM, Safdar N, Khanna S. The role of the gut microbiome in colonization resistance and recurrent Clostridioides difficile infection. Therap Adv Gastroenterol 2022; 15:17562848221134396. [PMID: 36425405 PMCID: PMC9679343 DOI: 10.1177/17562848221134396] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 10/04/2022] [Indexed: 11/21/2022] Open
Abstract
The species composition of the human gut microbiota is related to overall health, and a healthy gut microbiome is crucial in maintaining colonization resistance against pathogens. Disruption of gut microbiome composition and functionality reduces colonization resistance and has been associated with several gastrointestinal and non-gastrointestinal diseases. One prime example is Clostridioides difficile infection (CDI) and subsequent recurrent infections that occur after the development of systemic antibiotic-related dysbiosis. Standard-of-care antibiotics used for both acute and recurrent infections do not address dysbiosis and often worsen the condition. Moreover, monoclonal antibodies, recommended in conjunction with standard-of-care antibiotics for the prevention of recurrent CDI in patients at high risk of recurrence, reduce recurrences but do not address the underlying dysbiosis. Fecal microbiota transplantation (FMT) is an evolving therapeutic strategy in which microbes are harvested from healthy donor stool and transplanted into the gut of a recipient to restore the gut microbiome. Although effective in the prevention of recurrent CDI, some existing challenges include screening and the standardization of stool acquisition and processing. Recent safety alerts by the US Food and Drug Administration raised concern about the possibility of transmission of multidrug-resistant organisms or severe acute respiratory syndrome coronavirus 2 via FMT. Increased knowledge that microbes are beneficial in restoring the gut microbiome has led to the clinical development of several newer biotherapeutic formulations that are more regulated than FMT, which may allow for improved restoration of the gut microbiome and prevention of CDI recurrence. This review focuses on mechanisms by which gut microbiome restoration could influence colonization resistance against the pathogen C. difficile. Plain language summary The Role of the Gut Microbiome in Clostridioides difficile Infection Introduction: A rich and diverse gut microbiome is key to immune system regulation and colonization resistance against pathogens.A disruption in the gut microbiome composition can make the gut more vulnerable to diseases such as Clostridioides difficile infection (CDI), caused by the bacterium C. difficile.CDI management presents a therapeutic dilemma, as it is usually treated with antibiotics that can treat the infection but also can damage the microbiome.Treatment of CDI using antibiotics can further reduce microbial diversity and deplete beneficial bacteria from the gut leading to a condition called dysbiosis.Antibiotic treatment can be followed by therapies that restore the gut microbiota, boost colonization resistance, and prevent the development of antimicrobial resistance.It is important to evaluate treatment options to determine their safety and effectiveness. Methods: The researchers provided an overview of the mechanisms that the gut microbiome uses to prevent colonization of the gut by pathogens.They subsequently reviewed the efficacy and shortcomings of the following treatments for CDI: - Antibiotics- Monoclonal antibodies- Fecal microbiota transplantation (FMT) Results: Commensal intestinal bacteria prevent colonization of the gut by pathogens using mechanisms such as: - Competition for key nutrients- Production of inhibitory bile acids- Short-chain fatty acid production- Lowering the luminal pH- Production of bacteriocinsAntibiotic therapy is recommended as a standard treatment for CDI. However, patients are vulnerable to recurrent CDI after discontinuation of the therapy.Monoclonal antibodies that inactivate C. difficile toxins may be recommended along with antibiotics to prevent recurrent CDI. However, this approach does not restore the microbiome.FMT is one method of microbial restoration, where stool is harvested from a healthy donor and transplanted into a patient's colon.Although FMT has shown some efficacy in the treatment of recurrent CDI, the procedure is not standardized.Safety concerns have been raised about the possibility of transmission of multidrug-resistant pathogens via FMT. Conclusion: Treatment methods that can efficiently restore the diversity of the gut microbiome are crucial in preventing recurrence of CDI.
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Affiliation(s)
| | - Nasia Safdar
- University of Wisconsin, Madison, WI, USA
- William S. Middleton Memorial VA Hospital, Madison, WI, USA
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
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Khanna S, Chichester K, Makiya M, Khoury P, Klion A, Saini S, Oliver E. INCREASED EOSINOPHIL GRANULE PROTEIN PRODUCTION IN CHRONIC SPONTANEOUS URTICARIA. Ann Allergy Asthma Immunol 2022. [DOI: 10.1016/j.anai.2022.08.598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Khanna S, Assi M, Lee C, Yoho D, Louie T, Knapple W, Aguilar H, Garcia-Diaz J, Wang GP, Berry SM, Marion J, Su X, Braun T, Bancke L, Feuerstadt P. Efficacy and Safety of RBX2660 in PUNCH CD3, a Phase III, Randomized, Double-Blind, Placebo-Controlled Trial with a Bayesian Primary Analysis for the Prevention of Recurrent Clostridioides difficile Infection. Drugs 2022; 82:1527-1538. [PMID: 36287379 PMCID: PMC9607700 DOI: 10.1007/s40265-022-01797-x] [Citation(s) in RCA: 75] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2022] [Indexed: 12/02/2022]
Abstract
BACKGROUND Recurrent Clostridioides difficile infection, associated with dysbiosis of gut microbiota, has substantial disease burden in the USA. RBX2660 is a live biotherapeutic product consisting of a broad consortium of microbes prepared from human stool that is under investigation for the reduction of recurrent C. difficile infection. METHODS A randomized, double-blind, placebo-controlled, phase III study, with a Bayesian primary analysis integrating data from a previous phase IIb study, was conducted. Adults who had one or more C. difficile infection recurrences with a positive stool assay for C. difficile and who were previously treated with standard-of-care antibiotics were randomly assigned 2:1 to receive a subsequent blinded, single-dose enema of RBX2660 or placebo. The primary endpoint was treatment success, defined as the absence of C. difficile infection diarrhea within 8 weeks of study treatment. RESULTS Of the 320 patients screened, 289 were randomly assigned and 267 received blinded treatment (n = 180, RBX2660; n = 87, placebo). Original model estimates of treatment success were 70.4% versus 58.1% with RBX2660 and placebo, respectively. However, after aligning the data to improve the exchangeability and interpretability of the Bayesian analysis, the model-estimated treatment success rate was 70.6% with RBX2660 versus 57.5% with placebo, with an estimated treatment effect of 13.1% and a posterior probability of superiority of 0.991. More than 90% of the participants who achieved treatment success at 8 weeks had sustained response through 6 months in both the RBX2660 and the placebo groups. Overall, RBX2660 was well tolerated, with manageable adverse events. The incidence of treatment-emergent adverse events was higher in RBX2660 recipients compared with placebo and was mostly driven by a higher incidence of mild gastrointestinal events. CONCLUSIONS RBX2660 is a safe and effective treatment to reduce recurrent C. difficile infection following standard-of-care antibiotics with a sustained response through 6 months. CLINICAL TRIAL REGISTRATION NCT03244644; 9 August, 2017.
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Affiliation(s)
- Sahil Khanna
- Gastroenterology and Hepatology, Mayo Clinic, 200 1st Street SW, Rochester, MN, 55905, USA.
| | - Maha Assi
- University of Kansas School of Medicine-Wichita, Wichita, KS, USA
| | | | - David Yoho
- Kaiser Permanente Springfield Medical Center, Springfield, VA, USA
| | | | | | | | | | | | | | | | - Xin Su
- Formerly of Rebiotix, Inc, Roseville, MN, USA
| | | | | | - Paul Feuerstadt
- Yale School of Medicine, New Haven, CT, USA
- PACT Gastroenterology Center, Hamden, CT, USA
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Khanna S, Assi M, Lee C, Yoho D, Louie T, Knapple W, Aguilar H, Garcia-Diaz J, Wang GP, Berry SM, Marion J, Su X, Braun T, Bancke L, Feuerstadt P. Correction to: Efficacy and Safety of RBX2660 in PUNCH CD3, a Phase III, Randomized, Double-Blind, Placebo-Controlled Trial with a Bayesian Primary Analysis for the Prevention of Recurrent Clostridioides difficile Infection. Drugs 2022; 82:1539. [PMID: 36342618 PMCID: PMC9652262 DOI: 10.1007/s40265-022-01805-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sahil Khanna
- Gastroenterology and Hepatology, Mayo Clinic, 200 1st Street SW, Rochester, MN, 55905, USA.
| | - Maha Assi
- University of Kansas School of Medicine-Wichita, Wichita, KS, USA
| | | | - David Yoho
- Kaiser Permanente Springfield Medical Center, Springfield, VA, USA
| | | | | | | | | | | | | | | | - Xin Su
- Formerly of Rebiotix, Inc, Roseville, MN, USA
| | | | | | - Paul Feuerstadt
- Yale School of Medicine, New Haven, CT, USA
- PACT Gastroenterology Center, Hamden, CT, USA
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Affiliation(s)
- Kanika Sehgal
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Adam S Cifu
- Department of Internal Medicine, University of Chicago, Chicago, Illinois
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
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Garon E, Lu S, Goto Y, De Marchi P, Paz-Ares L, Spigel D, Thomas M, Yang JH, Ardizzoni A, Barlesi F, Khanna S, Bossen C, Carbini M, Yovine A, Cho B. LBA49 CANOPY-A: Phase III study of canakinumab (CAN) as adjuvant therapy in patients (pts) with completely resected non-small cell lung cancer (NSCLC). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.08.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Choudhury A, Tariq R, Jena A, Vesely EK, Singh S, Khanna S, Sharma V. Gastrointestinal manifestations of long COVID: A systematic review and meta-analysis. Therap Adv Gastroenterol 2022; 15:17562848221118403. [PMID: 36004306 PMCID: PMC9393939 DOI: 10.1177/17562848221118403] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 07/20/2022] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Prolonged symptoms after COVID-19 are an important concern due to the large numbers affected by the pandemic. OBJECTIVES To ascertain the frequency of gastrointestinal (GI) manifestations as part of long GI COVID. DESIGN A systematic review and meta-analysis of studies reporting GI manifestations in long COVID was performed. DATA SOURCES AND METHODS Electronic databases (Medline, Scopus, Embase, Cochrane Central Register of Controlled Trials, and Web of Science) were searched till 21 December 2021 to identify studies reporting frequency of GI symptoms in long COVID. We included studies reporting overall GI manifestations or individual GI symptoms as part of long COVID. We excluded pediatric studies and those not providing relevant information. We calculated the pooled frequency of various symptoms in all patients with COVID-19 and also in those with long COVID using the inverse variance approach. All analysis was done using R version 4.1.1 using packages 'meta' and 'metafor'. RESULTS A total of 50 studies were included. The frequencies of GI symptoms were 0.12 [95% confidence interval (CI), 0.06-0.22, I 2 = 99%] and 0.22 (95% CI, 0.10-0.41, I 2 = 97%) in patients with COVID-19 and those with long COVID, respectively. The frequencies of abdominal pain, nausea/vomiting, loss of appetite, and loss of taste were 0.14 (95% CI, 0.04-0.38, I 2 = 96%), 0.06 (95% CI, 0.03-0.11, I 2 = 98%), 0.20 (95% CI, 0.08-0.43, I 2 = 98%), and 0.17 (95% CI, 0.10-0.27, I 2 = 95%), respectively, after COVID-19. The frequencies of diarrhea, dyspepsia, and irritable bowel syndrome were 0.10 (95% CI, 0.04-0.23, I 2 = 98%), 0.20 (95% CI, 0.06-0.50, I 2 = 97%), and 0.17 (95% CI, 0.06-0.37, I 2 = 96%), respectively. CONCLUSION GI symptoms in patients were seen in 12% after COVID-19 and 22% as part of long COVID. Loss of appetite, dyspepsia, irritable bowel syndrome, loss of taste, and abdominal pain were the five most common GI symptoms of long COVID. Significant heterogeneity and small number of studies for some of the analyses are limitations of the systematic review.
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Affiliation(s)
- Arup Choudhury
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Raseen Tariq
- Division of Gastroenterology, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Anuraag Jena
- Department of Gastroenterology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | | | - Siddharth Singh
- Division of Gastroenterology and Biomedical Informatics, University of California San Diego, La Jolla, CA, USA
| | - Sahil Khanna
- Division of Gastroenterology, Department of Medicine, Mayo Clinic, Rochester, MN, USA
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Feuerstadt P, Aroniadis OC, Svedlund FL, Garcia M, Stong L, Boules M, Khanna S. Heterogeneity of Randomized Controlled Trials of Fecal Microbiota Transplantation in Recurrent Clostridioides difficile Infection. Dig Dis Sci 2022; 67:2763-2770. [PMID: 34275058 PMCID: PMC9236970 DOI: 10.1007/s10620-021-07141-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 06/28/2021] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Clinical trials have demonstrated the efficacy of FMT for reduction in CDI recurrences (rCDI), but this treatment and its reporting in the literature has significant heterogeneity. Recent publications (e.g., Ramai et al. in Dig Dis Sci 2020. https://doi.org/10.1007/s10620-020-06185-7 ) present the clinical outcomes for different FMT methodologies. However, to understand, compare, and contextualize outcomes, this heterogeneity in methods and reporting must be understood. METHODS We performed a literature review of randomized controlled trials (RCTs) of FMT for rCDI to evaluate heterogeneity among trials. A methodical search between January 2010 and May 2019 of Medline, Embase, and Cochrane was conducted for studies investigating FMT in adults with rCDI. RCTs were evaluated for a variety of methodological and reporting criteria. RESULTS Eight RCTs were identified, wherein 14 different FMT preparations were considered (each with distinct protocols for processing, storage, administration, and dosing). Sample sizes were generally small, with only two studies performing FMT in more than 100 patients. Three studies used non-FMT controls (vancomycin), while the remaining compared FMT with differing routes of administration or formulations. Across the identified studies, there was no standardized manner for reporting the timing of the FMT procedure. All studies tracked adverse events; however, follow-up periods were limited. CONCLUSIONS Considerable variability exists among RCTs, with marked differences in study design, control groups, and outcome assessment. Lack of a standard-of-care control in many trials may impact reproducibility of FMT trial outcomes in patients with rCDI. Widespread use of FMT for rCDI is still investigational; therefore, these foundational studies provide opportunities to optimize future trials.
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Affiliation(s)
- Paul Feuerstadt
- PACT-Gastroenterology Center, Hamden, CT, USA.
- Yale University School of Medicine, New Haven, CT, USA.
| | - Olga C Aroniadis
- Division of Gastroenterology, Renaissance School of Medicine At Stony, Brook University, Stony Brook, NY, USA
| | | | | | - Laura Stong
- Ferring Pharmaceuticals, Inc, Parsippany, NJ, USA
| | - Mena Boules
- Ferring Pharmaceuticals, Inc, Parsippany, NJ, USA
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
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Nicholson MR, Alexander E, Ballal S, Davidovics Z, Docktor M, Dole M, Gisser JM, Goyal A, Hourigan SK, Jensen MK, Kaplan JL, Kellermayer R, Kelsen JR, Kennedy MA, Khanna S, Knackstedt ED, Lentine J, Lewis JD, Michail S, Mitchell PD, Oliva-Hemker M, Patton T, Queliza K, Sidhu S, Solomon AB, Suskind DL, Weatherly M, Werlin S, de Zoeten EF, Kahn SA. Efficacy and Outcomes of Faecal Microbiota Transplantation for Recurrent Clostridioides difficile Infection in Children with Inflammatory Bowel Disease. J Crohns Colitis 2022; 16:768-777. [PMID: 34788420 PMCID: PMC9228903 DOI: 10.1093/ecco-jcc/jjab202] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND Children with inflammatory bowel disease [IBD] are disproportionally affected by recurrent Clostridioides difficile infection [rCDI]. Although faecal microbiota transplantation [FMT] has been used with good efficacy in adults with IBD, little is known about outcomes associated with FMT in paediatric IBD. METHODS We performed a retrospective review of FMT at 20 paediatric centres in the USA from March 2012 to March 2020. Children with and without IBD were compared with determined differences in the efficacy of FMT for rCDI. In addition, children with IBD with and without a successful outcome were compared with determined predictors of success. Safety data and IBD-specific outcomes were obtained. RESULTS A total of 396 paediatric patients, including 148 with IBD, were included. Children with IBD were no less likely to have a successful first FMT then the non-IBD affected cohort [76% vs 81%, p = 0.17]. Among children with IBD, patients were more likely to have a successful FMT if they received FMT with fresh stool [p = 0.03], were without diarrhoea prior to FMT [p = 0.03], or had a shorter time from rCDI diagnosis until FMT [p = 0.04]. Children with a failed FMT were more likely to have clinically active IBD post-FMT [p = 0.002] and 19 [13%] patients had an IBD-related hospitalisation in the 3-month follow-up. CONCLUSIONS Based on the findings from this large US multicentre cohort, the efficacy of FMT for the treatment of rCDI did not differ in children with IBD. Failed FMT among children with IBD was possibly related to the presence of clinically active IBD.
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Affiliation(s)
- Maribeth R Nicholson
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Erin Alexander
- Department of Pediatrics, Mayo Clinic, Rochester, MN, USA
| | - Sonia Ballal
- Department of Pediatrics, Boston Children's Hospital, Boston, MA, USA
| | - Zev Davidovics
- Department of Pediatrics, Connecticut Children's Medical Center, Hartford, CT, USA
| | - Michael Docktor
- Department of Pediatrics, Boston Children's Hospital, Boston, MA, USA
| | - Michael Dole
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Jonathan M Gisser
- Department of Pediatrics, Nationwide Children's Hospital, Columbus, OH, USA
| | - Alka Goyal
- Department of Pediatrics, Children's Mercy Hospital, Kansas City, MO, USA
| | - Suchitra K Hourigan
- Department of Pediatrics, Pediatric Specialists of Virginia, Fairfax, VA, USA
| | - M Kyle Jensen
- Department of Pediatrics, University of Utah Department of Pediatrics, Salt Lake City, UT, USA
| | - Jess L Kaplan
- Department of Pediatrics, MassGeneral Hospital for Children, Boston, MA, USA
| | - Richard Kellermayer
- Baylor College of Medicine, Texas Children's Hospital, USDA Children's Nutrition and Research Center, Houston, TX, USA
| | - Judith R Kelsen
- Department of Pediatrics, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Melissa A Kennedy
- Department of Pediatrics, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Sahil Khanna
- Department of Pediatrics, Mayo Clinic, Rochester, MN, USA
| | - Elizabeth D Knackstedt
- Department of Pediatrics, University of Utah Department of Pediatrics, Salt Lake City, UT, USA
| | - Jennifer Lentine
- Department of Pediatrics, Weill Cornell Medicine, New York, NY, USA
| | - Jeffery D Lewis
- Children's Center for Digestive Healthcare at Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Sonia Michail
- Department of Pediatrics, University of Southern California Children's Hospital of Los Angeles, Los Angeles, CA, USA
| | - Paul D Mitchell
- Department of Pediatrics, Boston Children's Hospital, Boston, MA, USA
| | - Maria Oliva-Hemker
- Johns Hopkins University School of Medicine, Johns Hopkins Children's Center, Baltimore, MD, USA
| | - Tiffany Patton
- Department of Pediatrics, University of Chicago, Comer Children's Hospital, Chicago, IL, USA
| | - Karen Queliza
- Baylor College of Medicine, Texas Children's Hospital, USDA Children's Nutrition and Research Center, Houston, TX, USA
| | - Sarah Sidhu
- Johns Hopkins University School of Medicine, Johns Hopkins Children's Center, Baltimore, MD, USA
| | - Aliza B Solomon
- Department of Pediatrics, Weill Cornell Medicine, New York, NY, USA
| | - David L Suskind
- Department of Pediatrics, Seattle Children's Hospital and the University of Washington, Seattle, WA, USA
| | - Madison Weatherly
- Department of Pediatrics, Boston Children's Hospital, Boston, MA, USA
| | - Steven Werlin
- Department of Pediatrics, Medical College of Wisconsin and Children's Wisconsin, Milwaukee, WI, USA
| | - Edwin F de Zoeten
- Department of Pediatrics, Children's Hospital Colorado, Aurora, CO, USA
| | - Stacy A Kahn
- Department of Pediatrics, Boston Children's Hospital, Boston, MA, USA
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47
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AbiMansour J, Khanna S, Sweetser S. An Important Mimicker. Gastroenterology 2022; 162:1840-1843. [PMID: 35247456 DOI: 10.1053/j.gastro.2022.02.046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 02/16/2022] [Indexed: 12/02/2022]
Affiliation(s)
- Jad AbiMansour
- Department of Internal Medicine and Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Sahil Khanna
- Department of Internal Medicine and Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Seth Sweetser
- Department of Internal Medicine and Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota.
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48
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Tome J, Sehgal K, Kamboj AK, Harmsen WS, Kammer PP, Loftus EV, Tremaine WJ, Khanna S, Pardi DS. The Epidemiology of Microscopic Colitis in Olmsted County, Minnesota: Population-Based Study From 2011 to 2019. Clin Gastroenterol Hepatol 2022; 20:1085-1094. [PMID: 34216819 PMCID: PMC8716639 DOI: 10.1016/j.cgh.2021.06.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 06/13/2021] [Accepted: 06/21/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND & AIMS Epidemiologic studies from Europe and North America have reported an increasing incidence of microscopic colitis (MC) in the late 20th century, followed by a plateau. This population-based study assessed recent incidence trends and the overall prevalence of MC over the past decade. METHODS Residents of Olmsted County, MN, diagnosed with collagenous colitis (CC) or lymphocytic colitis (LC) between January 1, 2011, and December 31, 2019 were identified using the Rochester Epidemiology Project. Clinical variables were abstracted by chart review. Incidence rates were age- and sex-adjusted to the 2010 US population. Associations between incidence and age, sex, and calendar periods were evaluated using Poisson regression analyses. RESULTS A total of 268 incident cases of MC were identified with a median age at diagnosis of 64 years (range, 19-90 y); 207 (77%) were women. The age- and sex-adjusted incidence of MC was 25.8 (95% CI, 22.7-28.9) cases per 100,000 person-years. The incidence of LC was 15.8 (95% CI, 13.4-18.2) and CC was 9.9 (95% CI, 8.1-11.9) per 100,000 person-years. A higher MC incidence was associated with increasing age and female sex (P < .01). There was no significant trend in age- and sex-adjusted incidence rate over the study period (P = .92). On December 31, 2019, the prevalence of MC, LC, and CC (including cases diagnosed before 2011) was 246.2, 146.1, and 100.1 per 100,000 persons, respectively. CONCLUSIONS The incidence of MC and its subtypes was stable between 2011 and 2019, but its prevalence was higher than in previous periods. The incidence of MC continues to be associated with increasing age and female sex.
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Affiliation(s)
- June Tome
- Department of Internal Medicine, Mayo Clinic, Rochester, MN
| | - Kanika Sehgal
- Department of Internal Medicine, Mayo Clinic, Rochester, MN
| | - Amrit K. Kamboj
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - William S. Harmsen
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN
| | | | - Edward V. Loftus
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | | | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
| | - Darrell S. Pardi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN
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49
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Affiliation(s)
| | - Ryan Pardi
- Ryan PardiDivision of Gastroenterology and Hepatology,
Mayo Clinic, Rochester, MN, USA
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50
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Kamboj AK, Zylberberg HM, Lane CM, Voth E, Tome J, Cuir ND, Lennon RJ, Khanna S, Lebwohl B, Pardi DS. Microscopic Colitis and Risk of Colon Adenomas: A Multicenter Retrospective Cohort Study. Clin Gastroenterol Hepatol 2022; 20:e902-e904. [PMID: 34062313 DOI: 10.1016/j.cgh.2021.05.050] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/25/2021] [Accepted: 05/25/2021] [Indexed: 02/07/2023]
Abstract
Microscopic colitis (MC) is a common cause of chronic watery diarrhea, with the highest incidence in women over age 50.1 Cross-sectional studies have suggested that patients with MC have a lower incidence of adenomatous colon polyps compared with those without MC.2-4 The existing literature is limited by cross-sectional design, small sample sizes, lack of longitudinal follow-up, and the use of average-risk patients, rather than those with chronic diarrhea, as controls. We aimed to explore the association between MC and colon adenomas.
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Affiliation(s)
- Amrit K Kamboj
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | | | - Conor M Lane
- Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - Elida Voth
- Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - June Tome
- Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota
| | - Nicole D Cuir
- Columbia University Medical Center, New York, New York
| | - Ryan J Lennon
- Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota
| | - Sahil Khanna
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | | | - Darrell S Pardi
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota.
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