Mark Mattar MD

PubMed

• Treat-to-target of endoscopic remission in patients with inflammatory bowel disease in symptomatic remission on advanced therapies (QUOTIENT): rationale, design and pr...
  Siddharth Singh, Jasmine D Nguyen, David I Fudman, Mark E Gerich, Samir A Shah
  BMJ Open Gastroenterology. 2025-03-31
• Independent predictors of 90-day readmission in patients with inflammatory bowel disease: a nationwide retrospective study.
  Bryce Kunkle, Harjit Singh, Danielle Abraham, Nikiya Asamoah, Jasmine Barrow
  Journal of Crohn's & Colitis. 2025-03-05
• Uncovering the Hidden Link Between the Aberrant Intestinal Microbiome and Fibromyalgia.
  Ade Waterman, Stavros A Doumas, Michele Fischer, Mark Mattar, Samer Charbel
  Gastroenterology & Hepatology. 2025-03-01

Journal Articles

• Ipilimumab associated colitis: An ipicolitis case series at medstar Georgetown University Hospital  
  Rastogi P, Sultan M, Charabaty AJ, Atkins MB, Mattar MC, World Journal of Gastroenterology, 1/1/2015
• Median Arcuate Ligament Syndrome – A Cause of Chronic Abdominal Pain in a Patient with Ulcerative Colitis  
  Elizabeth Hill, MD; Mohamed Sultan, MD; Walid Chalhoub, MD; Patrick Jackson, MD; Mark Mattar, MD, Journal of Medical Cases, 1/1/2014
• Diagnosis and Management of Common Gastrointestinal Tract Infectious Diseases in Ulcerative Colitis and Crohn's Disease Patients  
  Marc Landsman, MD; Mohamed Sultan, MD; Michael Stevens, MD; Aline Charabaty, MD; Mark C. Mattar, MD, Inflammatory Bowel Disease, 1/1/2014
• Current management of inflammatory bowel disease and colorectal cancer  
  Mark Mattar, MD; Denver Lough, PhD; Michael J Pishvaian, MD, PhD; Aline Charabaty, MD, Gastrointestinal Cancer Research, 1/1/2011
• Clinicopathologic significance of synchronous and metachronous adenomas in colorectal cancer  
  Mark Mattar, Paul Frankel, Kevin Clarke, Yun Yen, Donald David, David Chu, Clinical Colorectal Cancer, 1/1/2005
• Colorectal cancer screening and prevention.  
  Mark Mattar, MD, Presented at the Community Forum for Colorectal Cancer Awareness, Inova Mount Vernon Hospital
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Abstracts/Posters

• Fish Bone Ingestion as an Etiology for Intramural Duodenal Hematoma.
  James Katsis, MD; Philip Sarges, MD; Mark Mattar, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, Philadelphia, PA, 1/17/2014
• Compliance With Colon Cancer Surveillance in the Inflammatory Bowel Disease Population: The Effect of a Formal Health Maintenance Program.
  Neha Nigam, MD; Walid Chalhoub, MD; Stanley Pietrak, MD; Dalia Abdelaziz, MD, MPH; Philip Sarges, MD; Pooja Singhal, MD; Aimee LeStrange, FNP; Mark Mattar, MD; Aline C..., American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, Philadelphia, PA, 1/17/2014
• Compliance With Vaccination Recommendations in the IBD Population: The Effect of a Formal Health Maintenance Program.
  Stanley Pietrak, MD; Philip Sarges,MD, Neha Nigam, MD; Dalia Abdelaziz, MD, MPH; Walid Chalhoub, MD; Pooja Singhal, MD; Aimee LeStrange, FNP; Mark Mattar, MD; Aline Ch..., American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, Philadelphia, PA, 1/17/2014
• Compliance With Cervical Health Recommendations in the Inflammatory Bowel Disease Population: The Effect of a Formal Health Maintenance Program.
  Stanley Pietrak, MD; Dalia Abdelaziz, MD, MPH; Neha Nigam, MD; Walid Chalhoub, MD; Pooja Singhal, MD; Philip Sarges, MD; Mark Mattar, MD; Aline Charabaty, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, Philadelphia, PA, 1/17/2014
• Prevalence and Management of C. difficile Infection in Inflammatory Bowel Disease Outpatient and Inpatient Setting at a Tertiary Care Center.
  Pooja Singhal, MD; Neha Nigam, MD; Mark Mattar, MD; Aline Charabaty, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, Philadelphia, PA, 1/17/2014
• Gallbladder Cancer Eroding Into the Duodenum Causing Gastric Outlet Obstruction.
  Nidhi Malhotra, MD; Mohamed Sultan, MD; Mark Mattar, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, Philadelphia, PA, 1/17/2014
• Ipilimumab Associated Colitis: Georgetown’s Approach to IpiColitis.
  Pawan Rastogi, MD; Mohamed Sultan, MD; Mark Mattar, MD, Regional ACP Meeting; Georgetown University Department of Medicine Research Day, 1/1/2014
• Median Arcuate Ligament Syndrome – A Cause of Chronic Abdominal Pain in a Patient with Ulcerative Colitis.
  Matthew Glading; Mohamed Sultan, MD; Mark Mattar, MD, Georgetown University Department of Medicine Research Day, 1/1/2014
• Prevalence of Clostridium difficile Infection During IBD Flare-ups in the Outpatient Setting: Experience of a Tertiary Care Center.
  Pooja Singhal, MD; Mary Catherine Daly; Mark Mattar, MD; Aline Charabaty, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, San Diego, CA, 1/11/2013
• Cytomegalovirus jejunitis in an immunocompetent patient: A case report.
  Neha Nigam; Dalia Abdelaziz; Walid Chalhoub; Mohamed Sultan; Mark Mattar,MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, San Diego, CA, 1/11/2013
• Colonic Lymphomas Associated with Biologic and Immunomodulator Therapy for Inflammatory Bowel Disease.
  Joseph Jennings, MD; Farah Monzur, MD; Mark Mattar, MD; Aline Charabaty, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, San Diego, CA, 1/11/2013
• IBD-Associated Malignancies: Are We Screening Often Enough?
  Farah Monzur, MD; Joseph Jennings, MD; Mark Mattar, MD; Aline Charabaty, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, San Diego, CA, 1/11/2013
• Stent Placement for Primary Malignant Melanoma of the Esophagus.
  Mark Mattar, MD; Pooja Singhal, MD; Nadim Haddad, MD; Kathy Bull-Henry, MD, American Journal of Gastroenterology, 1/1/2010
• The use of PIVKA-II and AFP for HCC Screening in a VAMC Population with Chronic Liver Disease.
  Mark Mattar, MD; Nissrin Ezmerli, MD; Timothy O. Lipman, MD; Richard L. Amdur, PhD; Robert Dufour, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, San Diego, CA, 1/23/2009
• Yield of Double Balloon Enteroscopy (DBE) at a Tertiary Care Hospital: A Two Year Analysis.
  Anchal Sud, MD; Mark C. Mattar, MD; Yasmin Karim, MD; Thomas Taylor, MD; Kathy Bull-Henry, MD, American Journal of Gastroenterology; ACG Annual Scientific Meeting and Postgraduate Course, San Diego, CA, 1/23/2009
• Improving Adherence with PPI Prescribing Guidelines in High-Risk NSAID Users: A Controlled "Before and After" Trial of an Electronic Medical Record Reminder.
  Brennan Spiegel, MD, MSHS; Peter Glassman MBBS, MSc; Gareth Dulai, MD, MSHS; Paul Shekelle, MD, PhD; Mary Farid, DO; Inder Singh, MD; Dan Naim, MD; Wayne Ho, MD; Mark ..., Digestive Disease Week Meeting on Turning Science into Medicine, Chicago, IL, 1/19/2007
• Project Kenya: Malaria Prevention in Rural Africa.
  Mattar, MC, Stevens, MP, Rotblatt, M, Journal of General Internal Medicine; 29th Annual Meeting of the Society of General Internal Medicine, Los Angeles, CA, 1/26/2006
• Spatial distribution of synchronous colorectal adenomas reflect field cancerization effect.
  Kevin Clarke, Mark Mattar, Paul Frankel, David Chu, Yun Yen, Proceedings, American Association of Cancer Research; 96th Annual American Association of Cancer Research Meeting, Anaheim, CA, 1/16/2005
• Improved Survival In Colorectal Cancers with Adenomas.
  Mark Mattar, Paul Frankel, Kevin Clarke, Yun Yen, Donald David, David Chu, Gastroenterology; Journal of Clinical Colorectal Cancer; Digestive Disease Week Meeting on Turning Science into Medicine, Chicago, IL, 1/14/2005
• A Case of Bizarre Belly-Ache.
  Mark Mattar, Kim Trinh, Michael Rotblatt, Soma Wali, Journal of General Internal Medicine; 28th Annual Meeting of the Society of General Internal Medicine; Solomon Scholars Research Forum, Los Angeles, CA, 2004; New Orleans, LA, 2005, 1/11/2005
• Field effect in Colorectal Cancer: What is the evidence?
  Kevin Clarke, Mark Mattar, Paul Frankel, David Chu, 58th Annual Society of Cancer Research Symposium, Atlanta, GA, 1/3/2005
• Tracing the Neuronal Origins of Carcinoid Tumours May Lead to A Novel Diagnostic Approach and Gene Therapy of Carcinoids.
  K. Palm, PhD; Y. Middleton, MS; I. Avital, M.D.; M. Mattar, BS; W. Arnaout, FACS, M.D.; T. Neuman, Sidney Kimmel Cancer Center Eighth International Conference on Gene Therapy of Cancer, San Diego, CA, 1/9/1999
• Stent placement for primary malignant melanoma of the esophagus.
  Mark Mattar, MD; Pooja Singhal, MD; Nadim Haddad, MD; Kathy Bull-Henry, MD, The American Journal of Gastroenterology
• Current Management of inflammatory bowel disease and colorectal cancer.
  Mark Mattar, MD; Denver Lough, PhD; Michael J Pishvaian, MD, PhD; Aline Charabaty, MD, Gastrointestinal Cancer Research
• The use of PIVKA-II AFP for HSC screening in a VAMC population.
  Mark Mattar, MD; Nissrin Ezmerli, MD; Timothy O. Lipman, MD; Richard L. Amdur, PhD; Robert Dufour, MD, The American Journal of Gastroenterology, ACG 2009 Annual Scientific Meeting and Postgraduate Course, San Diego
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Lectures

• IBD Linx 3.0: Innovating Medical Education 
  Brigham and Women's Hospital Crohn's and Colitis Center - 1/19/2015
• Infections in IBD: C. Difficile and Fecal Transplant 
  1/18/2015
• State of Celiac Disease 
  1/7/2015
• Resident and Medical Student Lecture Series 
  Georgetown University Hospital - 1/6/2015
• Health Maintenance in IBD 
  Georgetown University - 1/4/2015
• Case Vignettes in Moderate to Severe Crohn's Disease and Ulcerative Colitis 
  Salem Gastroenterology Center, Salem, OH - 1/26/2014
• Moderate to Severe UC and CD 
  Drexel University College of Medicine, Philadelphia, PA - 1/25/2014
• GI Cancer Prevention 
  1/18/2014
• Simponi Landscape Advisory Board Meeting 
  1/13/2014
• GI Fellow Lecture Series: Advances in IBD Therapeutics 
  Georgetown University Hospital - 1/12/2014
• The Latest in IBD: Medical Therapy Update and New Treatments for Patients 
  Inova Fair Oaks Hospital, Fairfax, VA - 1/9/2014
• The Mission: Transition to Remission in IBD 
  Annapolis, MD - 1/7/2014
• Advances in IBD Therapeutics 
  Georgetown University Hospital - 1/28/2013
• Gastroenterology Division Monthly Educational 
  Georgetown University Hospital - 1/28/2013
• GI Fellow Lecture Series: Inflammatory Bowel 
  Georgetown University Hospital - 1/27/2013
• Health Maintenance and Prevention in IBD 
  Crohn’s & Colitis Foundation of America, Holy Cross Hospital - 1/21/2013
• Inflammatory Bowel Disease and Colorectal Cancer 
  Georgetown University Hospital - 1/17/2013
• IBD Management 
  Georgetown University Hospital - 1/11/2013
• Iron Deficiency and IBD 
  1/10/2013
• Inflammatory Bowel Disease 
  Georgetown University Hospital - 1/6/2013
• GI Fellow Lecture Series: IBD Management Options 
  Georgetown University Hospital - 1/4/2013
• Complications of Cirrhosis, Current Management Guidelines 
  West Virginia University School of Medicine, Martinsburg Veterans Affairs Medical Center - 1/17/2012
• IBD Advisory Board 
  1/14/2012
• Management of the Patient with Complicated Inflammatory Bowel Disease 
  MedStar Georgetown University Hospital - 1/1/2012
• Colorectal Cancer Screening and Prevention 
  Inova Mount Vernon Hospital - 1/9/2011
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