Jean-Paul Achkar, M.D.
Staff

Jean-Paul Achkar, M.D.

Staff, Department of Pathobiology
The Kenneth Rainin Endowed Chair in IBD Research

  • Department of Pathobiology
  • Lerner Research Institute (NC22)
  • The Cleveland Clinic Foundation
  • 9500 Euclid Avenue
  • Cleveland, Ohio 44195
  • Tel.: (216) 444-6513
  • Fax: (216) 636-0104
  • Email: achkarj@ccf.org
  • Fellowship - University of Pittsburgh Medical Center
    Gastroenterology & Hepatology
    Pittsburgh, PA
    1998
  • Residency - University Hospitals of Cleveland
    Internal Medicine
    Cleveland, OH
    1995
  • Internship - University Hospitals of Cleveland
    Internal Medicine
    Cleveland, OH
    1992
  • Medical School - Case Western Reserve University School of Medicine
    Cleveland, OH
    1991
  • Undergraduate - Tufts University
    Biology and French
    Boston, MA
    1987
  • Internal Medicine- Gastroenterology
  • Crohn's Disease
  • IBD including ulcerative colitis and crohn's
  • Inflammatory bowel disease
  • Ulcerative Colitis

PubMed Publications



Do preoperative factors predict subsequent diagnosis of Crohn's disease after ileal pouch-anal anastomosis for ulcerative or indeterminate colitis? Melton GB, Kiran RP, Fazio VW, He J, Shen B, Goldblum JR, Achkar JP, Lavery IC, Remzi FH. Colorectal Dis. 2009 Jul 17.

Gene-gene interactions in inflammatory bowel disease: biological and clinical implications. Achkar JP, Fiocchi C. Am J Gastroenterol. 2009 Jul;104(7):1734-6.

Corrigendum: Ulcerative colitis-risk loci on chromosomes 1p36 and 12q15 found by genome-wide association study. Silverberg MS, Cho JH, Rioux JD, McGovern DP, Wu J, Annese V, Achkar JP, Goyette P, Scott R, Xu W, Barmada MM, Klei L, Daly MJ, Abraham C, Bayless TM, Bossa F, Griffiths AM, Ippoliti AF, Lahaie RG, Latiano A, Paré P, Proctor DD, Regueiro MD, Steinhart AH, Targan SR, Schumm LP, Kistner EO, Lee AT, Gregersen PK, Rotter JI, Brant SR, Taylor KD, Roeder K, Duerr RH. Nat Genet. 2009 Jun;41(6):762.

Helping patients make informed choices about probiotics: a need for research. Sharp RR, Achkar JP, Brinich MA, Farrell RM. Am J Gastroenterol. 2009 Apr;104(4):809-13. Review.

Mural attenuation in normal small bowel and active inflammatory Crohn's disease on CT enterography: location, absolute attenuation, relative attenuation, and the effect of wall thickness. Baker ME, Walter J, Obuchowski NA, Achkar JP, Einstein D, Veniero JC, Vogel J, Stocchi L. AJR Am J Roentgenol. 2009 Feb;192(2):417-23.

Long-term outcomes with ileal pouch-anal anastomosis and Crohn's disease: pouch retention and implications of delayed diagnosis. Melton GB, Fazio VW, Kiran RP, He J, Lavery IC, Shen B, Achkar JP, Church JM, Remzi FH. Ann Surg. 2008 Oct;248(4):608-16.

Using technology to promote gastrointestinal outcomes research: a case for electronic health records. Atreja A, Achkar JP, Jain AK, Harris CM, Lashner BA. Am J Gastroenterol. 2008 Sep;103(9):2171-8. Review.

The expanding universe of inflammatory bowel disease genetics. Achkar JP, Duerr R. Curr Opin Gastroenterol. 2008 Jul;24(4):429-34. Review.

Ulcerative colitis: responding to the challenges. Achkar JP. Cleve Clin J Med. 2007 Sep;74(9):657-60.

Plasma lysophosphatidylcholine levels: potential biomarkers for colorectal cancer. Zhao Z, Xiao Y, Elson P, Tan H, Plummer SJ, Berk M, Aung PP, Lavery IC, Achkar JP, Li L, Casey G, Xu Y. J Clin Oncol. 2007 Jul 1;25(19):2696-701.

Phenotype-stratified genetic linkage study demonstrates that IBD2 is an extensive ulcerative colitis locus. Achkar JP, Dassopoulos T, Silverberg MS, Tuvlin JA, Duerr RH, Brant SR, Siminovitch K, Reddy D, Datta LW, Bayless TM, Zhang L, Barmada MM, Rioux JD, Steinhart AH, McLeod RS, Griffiths AM, Cohen Z, Yang H, Bromfield GP, Schumm P, Hanauer SB, Cho JH, Nicolae DL. Am J Gastroenterol. 2006 Mar;101(3):572-80.

Risk factors for diseases of ileal pouch-anal anastomosis after restorative proctocolectomy for ulcerative colitis. Shen B, Fazio VW, Remzi FH, Brzezinski A, Bennett AE, Lopez R, Hammel JP, Achkar JP, Bevins CL, Lavery IC, Strong SA, Delaney CP, Liu W, Bambrick ML, Sherman KK, Lashner BA. Clin Gastroenterol Hepatol. 2006 Jan;4(1):81-9; quiz 2-3.

Maintenance therapy with a probiotic in antibiotic-dependent pouchitis: experience in clinical practice. Shen B, Brzezinski A, Fazio VW, Remzi FH, Achkar JP, Bennett AE, Sherman K, Lashner BA. Aliment Pharmacol Ther. 2005 Oct 15;22(8):721-8.

Management of peristomal pyoderma gangrenosum. Kiran RP, O'Brien-Ermlich B, Achkar JP, Fazio VW, Delaney CP. Dis Colon Rectum. 2005 Jul;48(7):1397-403.

Comprehensive evaluation of inflammatory and noninflammatory sequelae of ileal pouch-anal anastomoses. Shen B, Fazio VW, Remzi FH, Delaney CP, Bennett AE, Achkar JP, Brzezinski A, Khandwala F, Liu W, Bambrick ML, Bast J, Lashner B. Am J Gastroenterol. 2005 Jan;100(1):93-101.

Differentiating risk factors for acute and chronic pouchitis. Achkar JP, Al-Haddad M, Lashner B, Remzi FH, Brzezinski A, Shen B, Khandwala F, Fazio V. Clin Gastroenterol Hepatol. 2005 Jan;3(1):60-6.

Endoscopic balloon dilation of ileal pouch strictures. Shen B, Fazio VW, Remzi FH, Delaney CP, Achkar JP, Bennett A, Khandwala F, Brzezinski A, Doumit J, Liu W, Lashner BA. Am J Gastroenterol. 2004 Dec;99(12):2340-7.

Indicators of clinical response to treatment with six-mercaptopurine or azathioprine in patients with inflammatory bowel disease. Achkar JP, Stevens T, Easley K, Brzezinski A, Seidner D, Lashner B. Inflamm Bowel Dis. 2004 Jul;10(4):339-45.

Azathioprine formulation optimizes metabolite profile in inflammatory bowel disease. Stevens T, Achkar JP, Easley K, Brzezinski A, Lashner B. Aliment Pharmacol Ther. 2004 Sep 15;20(6):601-6.

Treatment of rectal cuff inflammation (cuffitis) in patients with ulcerative colitis following restorative proctocolectomy and ileal pouch-anal anastomosis. Shen B, Lashner BA, Bennett AE, Remzi FH, Brzezinski A, Achkar JP, Bast J, Bambrick ML, Fazio VW. Am J Gastroenterol. 2004 Aug;99(8):1527-31.

Afferent limb ulcers predict Crohn's disease in patients with ileal pouch-anal anastomosis. Wolf JM, Achkar JP, Lashner BA, Delaney CP, Petras RE, Goldblum JR, Connor JT, Remzi FH, Fazio VW. Gastroenterology. 2004 Jun;126(7):1686-91. PDF

Fecal lactoferrin for diagnosis of symptomatic patients with ileal pouch-anal anastomosis. Parsi MA, Shen B, Achkar JP, Remzi FF, Goldblum JR, Boone J, Lin D, Connor JT, Fazio VW, Lashner BA. Gastroenterology. 2004 May;126(5):1280-6. PDF

Type of fistula determines response to infliximab in patients with fistulous Crohn's disease. Parsi MA, Lashner BA, Achkar JP, Connor JT, Brzezinski A. Am J Gastroenterol. 2004 Mar;99(3):445-9.

A cost-effectiveness analysis of diagnostic strategies for symptomatic patients with ileal pouch-anal anastomosis. Shen B, Shermock KM, Fazio VW, Achkar JP, Brzezinski A, Bevins CL, Bambrick ML, Remzi FH, Lashner BA. Am J Gastroenterol. 2003 Nov;98(11):2460-7.

Modified pouchitis disease activity index: a simplified approach to the diagnosis of pouchitis. Shen B, Achkar JP, Connor JT, Ormsby AH, Remzi FH, Bevins CL, Brzezinski A, Bambrick ML, Fazio VW, Lashner BA. Dis Colon Rectum. 2003 Jun;46(6):748-53.

Perinuclear neutrophil antibodies are not markers for genetic susceptibility or indicators of genetic heterogeneity in familial ulcerative colitis. Achkar JP, Barmada MM, Duerr RH. Am J Gastroenterol. 2002 Sep;97(9):2343-9.

Predictors of response to infliximab in patients with Crohn's disease.
Parsi MA, Achkar JP, Richardson S, Katz J, Hammel JP, Lashner BA, Brzezinski A. Gastroenterology. 2002 Sep;123(3):707-13. PDF

Irritable pouch syndrome: a new category of diagnosis for symptomatic patients with ileal pouch-anal anastomosis. Shen B, Achkar JP, Lashner BA, Ormsby AH, Brzezinski A, Soffer EE, Remzi FH, Bevins CL, Fazio VW. Am J Gastroenterol. 2002 Apr;97(4):972-7.

A randomized clinical trial of ciprofloxacin and metronidazole to treat acute pouchitis. Shen B, Achkar JP, Lashner BA, Ormsby AH, Remzi FH, Brzezinski A, Bevins CL, Bambrick ML, Seidner DL, Fazio VW. Inflamm Bowel Dis. 2001 Nov;7(4):301-5.PDF

Medical management of postoperative complications of inflammatory bowel disease: pouchitis and Crohn's disease recurrence. Achkar JP, Shen B. Curr Gastroenterol Rep. 2001 Dec;3(6):484-90. Review.PDF

Chronic diarrhea: to scope or not to scope? Achkar JP. Inflamm Bowel Dis. 2001 Aug;7(3):276-7.

Endoscopic and histologic evaluation together with symptom assessment are required to diagnose pouchitis. Shen B, Achkar JP, Lashner BA, Ormsby AH, Remzi FH, Bevins CL, Brzezinski A, Petras RE, Fazio VW. Gastroenterology. 2001 Aug;121(2):261-7.PDF

Colonic motor function in humans is not affected by gender. Soffer EE, Kongara K, Achkar JP, Gannon J. Dig Dis Sci. 2000 Jul;45(7):1281-4.

Nonobstructing Crohn's Disease. Achkar JP, Hanauer SB. Curr Treat Options Gastroenterol. 1999 Apr;2(2):134-143. PDF

Medical therapy to reduce postoperative Crohn's disease recurrence.
Achkar JP, Hanauer SB. Am J Gastroenterol. 2000 May;95(5):1139-46. Review.

Risk of extraesophageal malignancy in patients with adenocarcinoma arising in Barrett's esophagus. Achkar JP, Post AB, Achkar E, Carey WD. Am J Gastroenterol. 1995 Jan;90(1):39-43.