IUSM IU
Division of Gastroenterology/Hepatology  |  Department of Medicine
Douglas K. Rex - Biographical Sketch

Education and Training

INSTITUTION AND LOCATION DEGREE YEAR(s) FIELD OF STUDY
Harvard College, Cambridge, MA BA 1976 Biology
Indiana University, Indianapolis, IN M.D. 1980 Medicine

Positions and Honors

Professional Experience

1985 - 1990 Assistant Professor of Medicine, Indiana University School of Medicine
1990 - 1994 Associate Professor of Medicine, Indiana University School of Medicine
1994 - Present Professor of Medicine, Indiana University School of Medicine
1994 - Present Director of Endoscopy, Indiana University Hospital
2006 - Present Chancellor's Professor, Indiana University Purdue University Indianapolis

Honors

1980 John Hickam Award, IU School of Medicine
1992 IU School of Medicine Excellence in Teaching Award
2002 Distinguished Lecturer, DDW, ASGE national meeting
2002 William D. Carey Award, ACG Board of Governors
2003 ASGE Master Endoscopist Award
2005 David Sun Lecture
2006 Emily Couric Lecture
2006 Tony and Mary Hulman Health Achievement Award

Selected Peer-reviewed publications

  1. Rex DK, et al. Five year incidence of adenomas after negative colonoscopy in asymptomatic average-risk persons. Gastroenterology 1996;111(12178-81).

  2. Rex DK, et al. Patients willing to try colonoscopy with sedation only as needed. Associated clinical factors and results of a randomized controlled trial. Gastrointest Endosc 1999;49:554-9.

  3. Rex DK, et al. Prospective determination of distal colon findings by colonoscopy in patients with proximal colon cancer. Gastrointest Endosc 1999;49:727-30

  4. Alikhan M, Rex DK, Khan A, Rahmani E, Cummings O, Ulbright TM. Variable pathologic interpretation of columnar lined esophagus by general pathologists in community practice. Gastrointest Endosc 1999;50:23-6.

  5. Rex DK, et al. Accuracy of pathologic interpretation of colorectal polyps by general pathologists in community practice. Gastrointest Endosc 1999;50:468-74.

  6. Rex DK, et al. New endoscopic finding associated with hyperplastic polyps. Gastrointest Endosc. 1999;50:704-6.

  7. Rex DK. Still photography versus videotaping for documentation of cecal intubation: a prospective study. Gastrointest Endosc 2000;51:451-9.

  8. Rex D. Colonoscopic withdrawal technique is associated with adenomas miss rates. Gastrointest Endosc 2000;51;33-6.

  9. Rex DK, et al. Screening colonoscopy in asymptomatic average-risk African-Americans. Gastrointest Endosc 2000;51:524-7.

  10. Rex DK. Effect of variable stiffness colonoscopes on cecal intubation times for routine colonoscopy by an experienced examiner in sedated patients. Endoscopy 2001;33:60-4.

  11. Rex DK, et al. Colorectal cancer prevention 2000: Colorectal Screening Recommendations of the American College of Gastroenterology. Am J Gastroenterol 2000;95:868-77.

  12. Rex DK, et al. Step section histology of proximal colon polyps that appear hyperplastic by endoscopy. Am J Gastroenterol 2002;97:1530-4.

  13. Sipe B, Rex D. Propofol vs. midazolam/meperidine for colonoscopy: Administered by nurses and supervised by endoscopists. Gastrointest Endosc 2002;55:815-25.

  14. Rex DK, et al. Method of colonoscopy in 42 consecutive patients presenting after prior incomplete colonoscopy. Am J Gastroenterol 2002;97:1148-51.

  15. Suleiman S, Rex DK, Sonnenberg A. Chemoprevention of colorectal cancer by aspirin: A cost-effectiveness analysis. Gastroenterology 2002;122:78-84.

  16. Rex DK, Chasen R, Pochapin MB. Safety and efficacy of two reduced dosing regimens of sodium phosphate tablets for preparation prior to colonoscopy. Aliment Pharmacol Ther 2002;16:937-44

  17. Schoenfeld P, Shad J, Ormseth E, Coyle W, Butler J, Schindler W, Kikendall WJ, Furlong C, Sobin L, Cruess D, Rex D. PREdictive value of DIminutive Colonic adenoma Trial: THE PREDICT TRIAL. Clinical Gastroenterology and Hepatology 2003;1:195—201.

  18. Sipe B, Rex D. Propofol vs. midazolam/meperidine for colonoscopy: Administered by nurses and supervised by endoscopists. Gastrointest Endosc 2002;55:815-25.

  19. Cash BD, Schoenfeld P, Rex DK. An evidence-based medicine approach to studies of diagnostic tests: assessing the validity of virtual colonoscopy. Clinical Gastroenterology & Hepatology 2003;1:136-44.

  20. Ghorai S, TM Ulbright, Rex DK. Endoscopic findings of diverticular inflammation in colonoscopy patients without clinical acute diverticulitis: Prevalence and endoscopic spectrum. Am J Gastroenterol 2003;98:802-6.

  21. Walker JA, McIntyre RD, Schleinitz PF, Jacobson KN, Haulk AA, Adesman P, Tolleson S, Parent R, Donnelly R, Rex DK. Nurse-administered propofol sedation without anesthesia specialists in 9152 endoscopic cases in an ambulatory surgery center. Am J Gastroenterol 2003;98:1744-50.

  22. Cotton PB, Durkalski VL, Pineau BC, Palesch YY, Mauldin PD, Hoffman B, Vining DJ, Small WC, Affronti J, Rex DK, et al. Computed tomographic colonography (virtual colonoscopy). A multicenter comparison with standard colonoscopy for detection of colorectal neoplasia. JAMA 2004;291:1713-9.

  23. Singh N, Harrison M, Rex DK. A survey of colonoscopic polypectomy practices among clinical gastroenterologists. Gastrointest Endosc 2004;60:414-8.

  24. Vucelic B, Rex D, Pulanic R, et al. The Aer-O-Scope: proof of concept of a pneumatic, skill-independent, self propelling, self navigating colonoscope. Gastroenterology 2006;130:672-7.

Research Support

Ongoing

RO1 CA097386 (Co-Investigator) - Vanderbilt - NIH - 09/01/02-08/31/07
Epidemiologic Study of Predictors for Adenoma Recurrence -- $681,148

Completed Research

U01 CA89389 (Co-Investigator) - Mayo – NIH - 06/01/01-05/31/06
Colorectal Cancer Screening: Fecal Blood vs. DNA -- $1,117,965

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