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Office
9500 Gilman Dr
# Mail
La Jolla, CA 92093Phone+1 619-543-2347Fax+1 858-657-7259
Education & Training
- Mayo Clinic College of Medicine and Science (Rochester)Fellowship, Gastroenterology, 2011 - 2014
- University of Iowa Hospitals and ClinicsResidency, Internal Medicine, 2008 - 2011
- All India Institute of Medical SciencesClass of 2007
Certifications & Licensure
- CA State Medical License 2015 - 2025
- MN State Medical License 2011 - 2016
- IA State Medical License 2008 - 2011
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Gastroenterology
Clinical Trials
- Pharmacologic Weight Loss as Adjunct Therapy for Ulcerative Colitis in Obese Patients Start of enrollment: 2020 Dec 18
Roles: Contact, Principal Investigator
Publications & Presentations
PubMed
- Placebo Rates in Crohn's Disease Randomized Clinical Trials: An Individual Patient Data Meta-Analysis.Virginia Solitano, Malcolm Hogan, Siddharth Singh, Silvio Danese, Laurent Peyrin-Biroulet
Gastroenterology. 2025-02-01 - 1 citationsLong-Term Outcomes of an Infliximab-First Versus Vedolizumab-First Treatment Strategy in Biologic-Naïve Patients With Ulcerative Colitis.Austin Haynesworth, Kuan-Hung Yeh, Han Hee Lee, Melissa Kirkpatrick, Brigid S Boland
Alimentary Pharmacology & Therapeutics. 2025-02-01 - 2 citationsComparative Efficacy of Biologics and Small Molecule in Ulcerative Colitis: A Systematic Review and Network Meta-analysis.Mohammad Shehab, Fatema Alrashed, Abdulwahab Alsayegh, Usama Aldallal, Christopher Ma
Clinical Gastroenterology and Hepatology. 2025-02-01
Journal Articles
- Comparison of Multiplex Gastrointestinal Pathogen Panel and Conventional Stool Testing for Evaluation of Diarrhea in Patients with Inflammatory Bowel DiseasesWaseem Ahmad, Daniel Bouland, Nghia H Nguyen, David T Pride, Siddharth Singh, Parambir S Dulai, William J Sandborn, Brigid S Boland, Digestive Diseases and Sciences
- No Benefit of Concomitant 5-Aminosalicylates in Patients with Ulcerative Colitis Escalated to Biologic Therapy: Pooled Analysis of Individual Participant Data from Cli...Siddharth Singh, Parambir S Dulai, William J Sandborn, Nature
- Obesity and Response to Infliximab in Patients with Inflammatory Bowel Diseases: Pooled Analysis of Individual Participant Data from Clinical TrialsSiddharth Singh, William J Sandborn, Nature
Press Mentions
- List of Advanced Rx Recommended For Moderate to Severe UC ExpandsFebruary 4th, 2025
- New AGA Living Guideline Expands Recommended Drugs for Moderate to Severe UCNovember 26th, 2024
- New AGA Guidance for Ulcerative Colitis Treatment: 8 Things to KnowNovember 25th, 2024
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