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Related Concept Videos

Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy01:30

Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy

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Various diagnostic tests are employed in the diagnostic process for Inflammatory Bowel Disease (IBD), particularly to differentiate between Crohn's disease and ulcerative colitis.
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the...
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Inflammatory Bowel Disease IV: Pharmacological Management01:29

Inflammatory Bowel Disease IV: Pharmacological Management

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Upon diagnosis, managing Inflammatory Bowel Disease (IBD) involves addressing several crucial aspects. The primary goals include resting the bowel, correcting malnutrition, and providing symptomatic relief. Resting the bowel may consist of medications to reduce inflammation and promote healing. Correcting malnutrition is essential, often requiring dietary adjustments and nutritional supplements. Symptomatic relief aims to ease pain, diarrhea, and other discomforts in IBD.
Pharmacologic...
125
Drugs for Treatment of Crohn's Disease in IBD Using Immunomodulatory Agents01:29

Drugs for Treatment of Crohn's Disease in IBD Using Immunomodulatory Agents

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Crohn's disease is an inflammatory bowel disorder marked by chronic inflammation of the GI tract. Various treatment strategies for Crohn's disease are employed, such as immunomodulatory agents, glucocorticoids, and biologics or anti-TNF therapy. Azathioprine (Imuran), a commonly used immunomodulatory drug for Crohn's disease, is converted in the body to mercaptopurine, which inhibits purine biosynthesis and cell proliferation. Both are utilized in severe cases of Inflammatory Bowel...
156
Inflammatory Bowel Disease II: Crohn's Disease01:30

Inflammatory Bowel Disease II: Crohn's Disease

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Introduction
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
212
Drugs for Treatment of Crohn's Disease in IBD Using Glucocorticoids01:21

Drugs for Treatment of Crohn's Disease in IBD Using Glucocorticoids

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Glucocorticoids, a class of anti-inflammatory drugs, are pivotal in treating moderate to severe Crohn's disease by inducing remission. They exhibit their anti-inflammatory action by inhibiting the production of inflammatory cytokines such as tumor necrosis factor (TNF)-α, interleukin (IL)-1, and chemokines like IL-8. In addition, they reduce the expression of inflammatory cell adhesion molecules and inhibit gene transcription of nitric oxide synthase, phospholipase A2, cyclooxygenase-2...
114
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

139
Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
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Related Experiment Video

Updated: Jun 21, 2025

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Diet and Microbiome-Directed Therapy 2.0 for IBD.

Ashwin N Ananthakrishnan1, Kevin Whelan2, Jessica R Allegretti3

  • 1Division of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts; Harvard Medical School, Boston, Massachusetts.

Clinical Gastroenterology and Hepatology : the Official Clinical Practice Journal of the American Gastroenterological Association
|July 11, 2024
PubMed
Summary

This review explores how the gut microbiome and diet impact inflammatory bowel disease (IBD). It examines microbiome-therapies and dietary changes for better IBD management and outcomes.

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Area of Science:

  • Gastroenterology and Immunology
  • Microbiome Research
  • Nutritional Science

Background:

  • Inflammatory bowel disease (IBD) involves chronic gastrointestinal inflammation driven by immune system dysregulation.
  • The gut microbiome and dietary factors are critical in IBD development and progression.
  • Understanding these factors offers therapeutic potential for IBD management.

Purpose of the Study:

  • To review the current evidence on the gut microbiome's role in IBD pathogenesis.
  • To summarize the potential of microbiome-directed therapies and dietary interventions for IBD.
  • To discuss challenges and opportunities in translating these interventions into clinical practice.

Main Methods:

  • Literature review of current evidence on gut microbiome and diet in IBD.
  • Analysis of various microbiome manipulation strategies (FMT, probiotics, postbiotics).
  • Review of dietary interventions (special diets, enteral nutrition) for IBD.

Main Results:

  • Gut microbiome and diet significantly influence IBD onset and progression.
  • Microbiome-directed therapies and dietary interventions show promise for improving IBD outcomes.
  • Personalization, manufacturing, and regulatory aspects are key for clinical translation.

Conclusions:

  • Diet and microbiome interventions are promising therapeutic avenues for IBD.
  • Further research is needed to overcome challenges in personalization and clinical implementation.
  • Optimizing microbiome and diet strategies can enhance IBD patient outcomes.