Mark Sostek, MD

Mark Sostek, MD, AGAF, FACG

Gastroenterology Wilmington, DE

Executive Director, Clinical research

Office Address

  • 1800 Concord Pike
    Wilmington, DE 19850
    Phone: (302) 885-9052

Mark Sostek, MD, AGAF, FACG

Gastroenterology Wilmington, DE

Executive Director, Clinical research

Clinical Specialties & Interests

  • Esophagus Disease, Gastrointestinal Cancer, Gastrointestinal Functional & Motility Disorders

Education & Training

  • University of Florida Shands Hospital
  • Gastroenterology
  • UCLA Medical CenterUCLA Medical Center
  • Tufts University School of MedicineTufts University School of Medicine
  • Middlebury College

Certifications & Licensure

  • PA State Medical LicensePA State Medical License1998 - 2016
  • American Board of Internal MedicineGastroenterology
  • American Board of Internal MedicineInternal Medicine

    Awards, Honors, & Recognition

    • Fellow (AGAF)American Gastroenterological Association, 2006

    Clinical Trials

    Publications & Presentations


    Books/Book Chapters

    • Therapy of fecal incontinence. Therapy of Digestive Diseases. Chapter: Chapter 63 
      Sostek MB and Becker JM.
      Editors: .WB Saunders Co. Philadelphia
    • The Pancreas: Biology, Pathobiology and Disease.  
      Sostek MB
      Editors: .In The Endocrinologist.. Vol. 3. No. 6, New York
      Edition 2,
    • Cholestasis. Proceedings of the International Congress on Cholestasis and Related Disorders. Chapter: In Hepatology. Vol. 21. No. 2 
      Sostek MB
      Editors: .Elsevier Science., Amsterdam


    • Pharmacokinetics and Relative Bioavailability of a Fixed Dose Combination of Enteric Coated Naproxen and Non- Enteric Coated Esomeprazole Magnesium. Wang-Smith L, Fort J, Zhang Y and Sostek MB, Clin Pharmacol
    • Relationship between Intragastric Acid Control and Healing Status in the Treatment of Moderate to Severe Erosive Esophagitis. Katz PO, Ginsberg GG, Hoyle PE, Sostek MB, Monyak JT and Silberg DG, Aliment Pharmacol Therapeutics
    • Efficacy of esomeprazole 40 mg versus lansoprazole 30 mg for healing moderate to severe erosive esophagitis. Fennerty MB, Johanson JF, Hwang C, Sostek M, Aliment Pharmacol Ther
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