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Jessica R. Allegretti

Harvard University · US
Area of research
Genetics · Epidemiology
Research interest
Research interests include Inflammatory Bowel Disease, Microscopic Colitis, Clostridium difficile and Clostridium perfringens research, and Gut microbiota and health.
h-index
43
citations
7,361
works
317
NIH funding
primary concept
Medicine
email

Recent publications

Diagnosis and Management of Clostridioides difficile in Patients with Inflammatory Bowel Disease
Clostridioides difficile 2026cited by 0position: contributordoi
Learning ecosystem-scale dynamics from microbiome data with MDSINE2
Nature Microbiology 2025cited by 4position: middledoi
Diagnostic Uncertainties and Delayed Treatment Protocols Impact Efficacy of FMT for Clostridioides difficile Infection.
2025cited by 0position: contributordoi
Guselkumab in patients with moderately to severely active ulcerative colitis (QUASAR): phase 3 double-blind, randomised, placebo-controlled induction and maintenance studies
The Lancet 2024cited by 75position: middledoi
International consensus statement on microbiome testing in clinical practice
˜The œLancet. Gastroenterology & hepatology 2024cited by 70position: middledoi
Diet and Microbiome-Directed Therapy 2.0 for IBD
Clinical Gastroenterology and Hepatology 2024cited by 29position: middledoi
S1241 Guselkumab Binding to CD64+ IL-23–Producing Myeloid Cells Enhances Potency for Neutralizing IL-23 Signaling
The American Journal of Gastroenterology 2024cited by 2position: firstdoi
Guselkumab in Patients With Moderately to Severely Active Ulcerative Colitis: QUASAR Phase 2b Induction Study
Gastroenterology 2023cited by 90position: middledoi
Long-Term Improvement in the Patient-Reported Outcomes of Rectal Bleeding, Stool Frequency, and Health-Related Quality of Life with Tofacitinib in the Ulcerative Colitis OCTAVE Clinical Program.
2023cited by 1position: contributordoi
OP23 The efficacy and safety of guselkumab induction therapy in patients with moderately to severely active Ulcerative Colitis: Phase 2b QUASAR Study results through week 12
Journal of Crohn s and Colitis 2022cited by 16position: lastdoi
Fecal bile acid profiles predict recurrence in patients with primary <i>Clostridioides difficile</i> infection
2022cited by 0position: contributordoi
Oral microbes effective for prevention of recurrent Clostridium difficile infections
Medicom Conference Report DDW 2022 2022cited by 0position: contributordoi
ACG Clinical Guidelines: Prevention, Diagnosis, and Treatment of Clostridioides difficile Infections
The American Journal of Gastroenterology 2021cited by 535position: middledoi
Anti-TL1A Antibody PF-06480605 Safety and Efficacy for Ulcerative Colitis: A Phase 2a Single-Arm Study
Clinical Gastroenterology and Hepatology 2021cited by 88position: middledoi
Functional Restoration of Bacteriomes and Viromes by Fecal Microbiota Transplantation
Gastroenterology 2021cited by 84position: middledoi
Antitumor Necrosis Factor-like Ligand 1A Therapy Targets Tissue Inflammation and Fibrosis Pathways and Reduces Gut Pathobionts in Ulcerative Colitis
Inflammatory Bowel Diseases 2021cited by 49position: middledoi
AGA Clinical Practice Guidelines on the Management of Moderate to Severe Ulcerative Colitis
Gastroenterology 2020cited by 692position: middledoi
Single-Cell Analyses of Colon and Blood Reveal Distinct Immune Cell Signatures of Ulcerative Colitis and Crohn’s Disease
Gastroenterology 2020cited by 342position: middledoi
Fecal Microbiota Transplantation Is Highly Effective in Real-World Practice: Initial Results From the FMT National Registry
Gastroenterology 2020cited by 200position: middledoi
AGA Technical Review on the Management of Moderate to Severe Ulcerative Colitis
Gastroenterology 2020cited by 182position: middledoi
Fecal Microbiota Transplantation Is Safe and Effective in Patients With Clostridioides difficile Infection and Cirrhosis
Clinical Gastroenterology and Hepatology 2020cited by 57position: middledoi
Understanding the mechanisms of efficacy of fecal microbiota transplant in treating recurrent &lt;i&gt;Clostridioides difficile&lt;/i&gt; infection and beyond: the contribution of gut microbial-derived metabolites.
2020cited by 47position: contributordoi
The evolution of the use of faecal microbiota transplantation and emerging therapeutic indications
The Lancet 2019cited by 353position: firstdoi
Effects of Fecal Microbiota Transplantation With Oral Capsules in Obese Patients
Clinical Gastroenterology and Hepatology 2019cited by 309position: firstdoi
Microbial bile salt hydrolases mediate the efficacy of faecal microbiota transplant in the treatment of recurrent <i>Clostridioides difficile</i> infection
Gut 2019cited by 274position: middledoi
Microbiome predictors of dysbiosis and VRE decolonization in patients with recurrent &lt;em&gt;C. difficile&lt;/em&gt; infections in a multi-center retrospective study
AIMS Microbiology 2019cited by 18position: middledoi
Strain Tracking Reveals the Determinants of Bacterial Engraftment in the Human Gut Following Fecal Microbiota Transplantation
Cell Host & Microbe 2018cited by 425position: middledoi
Fecal microbiota transplantation for the treatment of recurrent and severe Clostridium difficile infection in solid organ transplant recipients: A multicenter experience
American Journal of Transplantation 2018cited by 136position: middledoi
Endospores and other lysis-resistant bacteria comprise a widely shared core community within the human microbiota
The ISME Journal 2018cited by 58position: middledoi
Recurrent <i>Clostridium difficile</i> infection associates with distinct bile acid and microbiome profiles
Alimentary Pharmacology & Therapeutics 2016cited by 193position: firstdoi

Grants

No grants ingested yet.

Frequent collaborators

· 6 papers (2020–2026)Benjamin H. Mullish · Imperial College Healthcare NHS Trust5 papers (2019–2022)Julian R. Marchesi · Imperial College Healthcare NHS Trust4 papers (2019–2022)Colleen Kelly · University of Pennsylvania4 papers (2016–2021)Monika Fischer · Indiana University School of Medicine4 papers (2016–2021)Eric J. Alm · Amgen (United States)3 papers (2016–2018)Mark Smith · University of Alabama at Birmingham3 papers (2016–2019)Zain Kassam · Massachusetts Institute of Technology3 papers (2016–2019)Jonathan P. Terdiman · UCSF Helen Diller Family Comprehensive Cancer Center2 papers (2020–2020) · 2 papers (2021–2021)Martín Rodríguez · University of Alabama at Birmingham2 papers (2016–2019)Laura Martinez-Gili · MaineGeneral Medical Center2 papers (2020–2022) · 2 papers (2020–2022) · 2 papers (2020–2022)Julie A. K. McDonald · University of Melbourne2 papers (2020–2022)Alexandros Pechlivanis · University Hospital Frankfurt2 papers (2019–2019)Ellen Scherl · NewYork–Presbyterian Hospital2 papers (2021–2021)Lynn Bry · Brigham and Women's Hospital2 papers (2016–2025) · 2 papers (2016–2019) · 2 papers (2019–2019)