Faculty

Mark S. Riddle, MD, DrPH, FISTM

International Travel Medicine Clinic

Walter Reed National Military Medical Center

Bethesda, Maryland

Mark Riddle is professor of preventive medicine and biostatistics at the Uniformed Services University in Bethesda, Maryland.  Dr. Riddle completed his undergraduate degrees in human development and zoology at the University of California at Davis. This was followed by a medical degree and masters of public health and tropical medicine from Tulane University in New Orleans, Louisiana.  In addition, he earned a doctorate in public health at the Uniformed Services University.  His medical training includes a residency in general preventive medicine and public health through the National Capital Consortium in Bethesda, Maryland, a certificate in tropical medicine (American Society of Travel Medicine and Hygiene), and an advanced vaccinology course (Fondation Merieux, Annecy, France). Active in research, Dr. Riddle has served as a principal investigator or co-investigator for numerous basic science, translational, and clinical studies in such areas as vaccine, drug development, and epidemiology of acute enteric infections and their chronic consequences. His work has been published in Nature Microbiology, Lancet, Journal of Infectious Diseases, Clinical Infectious Diseases, Vaccine, American Journal of Gastroenterology, Gastroenterology, Gut and Digestive Diseases and Sciences, among others. Dr. Riddle has been invited to present his work at meetings, grand rounds, and advisory boards in the United States and internationally. He is diplomate of the American Board of Preventive Medicine. Dr. Riddle is also a member of the American College of Gastroenterology, the International Society of Travel Medicine, and serves as faculty and scientific board [EM_1] member for the annual Old Herborn University Seminar on host-microbiota interaction for the benefit of human health.

 

A few of Dr. Riddle’s most significant accomplishments include:

 

1. Defining the epidemiology of post-infectious gastrointestinal consequences through the use of large Department of Defense Medical Encounter databases [EM_2] 

2. Advancing the evidence for the effectiveness and safety of loperamide-adjuncted single-dose antibiotic therapy for traveler’s diarrhea

3. Describing the importance of microbial antibodies in association with the development of post-infectious irritable bowel syndrome

4. Developing models to evaluate the economic value of vaccines for use to prevent traveler’s diarrhea.

5. Discovering biomarkers that predict Crohn’s disease phenotype well before clinical diagnosis

Speaker Disclosure Statement:

Mark S. Riddle, MD, DrPH, FISTM, has no relationships to disclose.

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Supported by an educational grant from Salix Pharmaceuticals.

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