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Office
1 Barnes Jewish Hospital Plz
# Div
Saint Louis, MO 63110Phone+1 314-747-2075Fax+1 314-747-2460
Summary
- Dr. Parakkal Deepak is a gastroenterologist in Saint Louis, MO and is affiliated with Barnes-Jewish Hospital. He completed his Gastroenterology and IBD Fellowships from Mayo Clinic, Rochester, MN and has been in practice for 5 years. He specializes in inflammatory bowel disease and is experienced in inflammatory bowel disease, ulcerative colitis, crohn's disease, endoscopy, and healthcare outcomes research.
Education & Training
- Mayo Clinic College of Medicine and Science (Rochester)Fellowship, Gastroenterology, 2016 - 2017
- Mayo School of Graduate Medical EducationMS, Clinical and Translational Science, 2014 - 2017
- Mayo Clinic College of Medicine and Science (Rochester)Fellowship, Gastroenterology, 2013 - 2016
- Evanston HospitalPost-Doctoral Fellowship, 2011 - 2013
- University of Chicago (NorthShore)Residency, Internal Medicine, 2010 - 2011
- Ascension Illinois/Saint FrancisResidency, Internal Medicine, 2008 - 2010
- University of Pennsylvania Health SystemInternship, Preliminary Year, 2007 - 2008
- Jawaharlal Institute of Postgraduate Medical Education and ResearchClass of 2004
Certifications & Licensure
- IL State Medical License 2010 - 2026
- MO State Medical License 2017 - 2025
- MN State Medical License 2013 - 2017
Awards, Honors, & Recognition
- American College of Gastroenterology Scholar American College of Gastroenterology, 2018
- Fellow North American Conference of Gastroenterology, 2015
- Golden Key International Honour Society 2012
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Clinical Trials
- Defining Predictors of RT Response to Vedolizumab in IBD Start of enrollment: 2018 Jun 08
- Response Assessment in SB CD Start of enrollment: 2018 May 09
- A Study of Vedolizumab With Tofacitinib in Adults With Ulcerative Colitis (UC) Start of enrollment: 2024 Jun 12
Roles: Principal Investigator
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Publications & Presentations
PubMed
- 3 citationsCardiovascular Safety of Ozanimod in Patients With Ulcerative Colitis: True North and Open-Label Extension Analyses.Alessandro Armuzzi, Raymond K Cross, Gary R Lichtenstein, Jason Hou, Parakkal Deepak
Clinical Gastroenterology and Hepatology. 2024-05-01 - 37 citationsResults of the Seventh Scientific Workshop of ECCO: Precision medicine in IBD - disease outcome and response to therapyBram Verstockt, Nurulamin M Noor, Urko M. Marigorta, Polychronis Pavlidis, Parakkal Deepak
Journal of Crohn's & Colitis. 2021-09-25 - 701 citationsResistance of SARS-CoV-2 variants to neutralization by monoclonal and serum-derived polyclonal antibodies.Rita E. Chen, Xianwen Zhang, James Brett Case, Emma S. Winkler, Yang Liu
Nature Medicine. 2021-04-01
Journal Articles
- Mucinous Small Bowel Adenocarcinoma Mimicking Change to Internal Penetrating Phenotype in Well-Controlled Crohn’s DiseaseParakkal Deepak, MD, Nature
- De-Novo Inflammatory Bowel Disease After Bariatric Surgery: A Large Case SeriesFateh Bazerbachi, David H Bruining, Vladimir M Kushnir, Meera Shah, Matthew A Ciorba, Laura E Raffals, Parakkal Deepak, Journal of Crohn's and Colitis
- Assessing the likelihood of new-onset inflammatory bowel disease following tumor necrosis factor-alpha inhibitor therapy for rheumatoid arthritis and juvenile rheumato...Krishnan A, Stobaugh DJ, Deepak P, Rheumatol Int, 1/17/2014
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Books/Book Chapters
Abstracts/Posters
- Diagnostic Yield of Chromoendoscopy and Outcomes in IBD Patients with History of Dysplasia.Hanson GJ, Deepak P, Fletcher JG, Tremaine WJ, Pardi DS, Kisiel JB, Schroeder KW, Loftus EV Jr, Bruining DH, Gastrointestinal Endoscopy, 1/1/2014
- Risk of Pancreatitis with Tumor Necrosis Factor-alpha Inhibitors among Iinflammatory Bowel Disease Patients: An Analysis of the Food and Drug Administration Adverse Ev...Stobaugh DJ, Samo S, Deepak P, Ehrenpreis ED, Gastroenterology, 1/1/2014
- Diagnostic Yield of Chromoendoscopy and Outcomes in IBD Patients with History of Dysplasia.Hanson GJ, Deepak P, Fletcher JG, Tremaine WJ, Pardi DS, Kisiel JB, Schroeder KW, Loftus EV Jr, Bruining DH, Digestive Diseases Week, Chicago, IL, 1/1/2014
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Lectures
- Pharmacotherapy and invasive fungal infections in patients receiving TNF-alpha blockers, immunomodulators and systemic corticosteroids: A review of the Food and Drug A...San Diego, CA - 1/1/2012
- Disproportionate lawyer reporting of inflammatory bowel disease cases with isotretinoin: A review of the Food and Drug Administration (FDA) Adverse Event Reporting Sys...Las Vegas, NV - 1/1/2012
Other
- Gastritis.Ehrenpreis ED, Eichenwald E, Deepak P, BMJ Point of Care Series and Epocrates
https://online.epocrates.com/u/2961816/Gastritis
1/4/2011 - National Organization for Rare Diseases (NORD) 2011 rare disease report on sclerosing mesenteritis.Ehrenpreis ED, Deepak P
Press Mentions
- COVID Vax Elicits Response in 90% of Weakened Immune SystemsSeptember 8th, 2021
- 2016 May Author Interview-Parakkal DeepakApril 26th, 2016
Professional Memberships
- Member
- Member
- Crohn's and Colitis Foundation of AmericaMember
Other Languages
- Hindi
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