Research Topics
| S A HarrisonSummaryAffiliation: Walter Reed Army Medical Center Country: USA Publications
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Detail Information
Publications
Serum cholesterol and statin use predict virological response to peginterferon and ribavirin therapyStephen A Harrison
Department of Medicine, Brooke Army Medical Center, Fort Sam Houston, San Antonio, TX 78234, USA
Hepatology 52:864-74. 2010..Prospective studies may be considered to explore the biological impact of these factors on HCV RNA replication and treatment response...
New treatments for nonalcoholic fatty liver diseaseStephen A Harrison
Division of Gastroenterology and Hepatology, Department of Medicine, Brooke Army Medical Center, 3851 Roger Brooke Drive, Fort Sam Houston, TX 78234, USA
Curr Gastroenterol Rep 8:21-9. 2006..Future treatment for patients failing to achieve weight loss goals is likely to consist of combination therapy targeting insulin resistance, oxidative stress, and fibrogenesis...
Benefits of lifestyle modification in NAFLDStephen A Harrison
Gastroenterology and Hepatology Division, Brooke Army Medical Center, Fort Sam, Houston, TX, USA
Gut 56:1760-9. 2007
Abnormal liver tests and fatty liver on ultrasoundStephen A Harrison
Department of Gastroenterology, Brooke Army Medical Center, Fort Sam Houston, Texas 78234, USA
Clin Gastroenterol Hepatol 6:26-9. 2008
Current treatments in nonalcoholic steatohepatitisDawn M Torres
Stephen A Harrison, MD Division of Gastroenterology and Hepatology, Department of Medicine, Brooke Army Medical Center, 3851 Roger Brooke Drive, Fort Sam Houston, TX 78234, USA
Curr Treat Options Gastroenterol 10:425-34. 2007..Although most of these approaches have been studied as single-modality therapy, we believe that combination, multimodality therapy is required to treat this disease effectively...
Orlistat for overweight subjects with nonalcoholic steatohepatitis: A randomized, prospective trialStephen A Harrison
Department of Medicine, Gastroenterology and Hepatology Service, Brooke Army Medical Center, Fort Sam Houston, TX 78234, USA
Hepatology 49:80-6. 2009..However, subjects who lost >or=5% of body weight over 9 months improved insulin resistance and steatosis, and those subjects who lost >or=9% also achieved improved hepatic histologic changes...
Insulin resistance among patients with chronic hepatitis C: etiology and impact on treatmentStephen A Harrison
Division of Gastroenterology and Hepatology, Brooke Army Medical Center, Fort Sam Houston, Texas 78324, USA
Clin Gastroenterol Hepatol 6:864-76. 2008..Studies are under way to determine whether improving insulin sensitivity results in better outcomes in patients receiving pegylated interferon alfa plus ribavirin therapy for chronic hepatitis C...
Development and validation of a simple NAFLD clinical scoring system for identifying patients without advanced diseaseS A Harrison
Division of Gastroenterology and Hepatology, Brooke Army Medical Center, San Antonio, USA
Gut 57:1441-7. 2008..Clinical predictors of advanced non-alcoholic liver disease (NAFLD) are needed to guide diagnostic evaluation and treatment...
Impact of obesity on treatment of chronic hepatitis CMichael R Charlton
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Hepatology 43:1177-86. 2006....
Induction pegylated interferon alfa-2b in combination with ribavirin in patients with genotypes 1 and 4 chronic hepatitis C: a prospective, randomized, multicenter, open-label studyDaniel E Brady
Department of Medicine, Brooke Army Medical Center, San Antonio, Texas, USA
Clin Gastroenterol Hepatol 8:66-71.e1. 2010..Induction therapy with higher doses of PEG interferon may improve first-phase viral kinetics and thus improve the overall SVR in genotypes 1 and 4 patients...
Unconjugated hyperbilirubinemia is inversely associated with non-alcoholic steatohepatitis (NASH)M Hjelkrem
Brooke Army Medical Center, Gastroenterology Service, Fort Sam Houston, TX, USA
Aliment Pharmacol Ther 35:1416-23. 2012..We believe that unconjugated hyperbilirubinemia may protect against development of non-alcoholic steatohepatitis (NASH)...
Effect of weight loss on nonalcoholic fatty liver diseaseAnish A Patel
Department of Gastroenterology, Brooke Army Medical Center, Fort Sam Houston, TX 78234, USA
J Clin Gastroenterol 43:970-4. 2009..This review discusses dietary modification, exercise, weight loss pharmacotherapy, and surgical intervention as potential options for patients with NAFLD...
A placebo-controlled trial of pioglitazone in subjects with nonalcoholic steatohepatitisRenata Belfort
University of Texas Health Science Center at San Antonio, San Antonio, TX 78229-3900, USA
N Engl J Med 355:2297-307. 2006..Larger controlled trials of longer duration are warranted to assess the long-term clinical benefit of pioglitazone. (ClinicalTrials.gov number, NCT00227110 [ClinicalTrials.gov] .)...
Diagnosis and therapy of nonalcoholic steatohepatitisDawn M Torres
Department of Gastroenterology, Fort Sam Houston, Brooke Army Medical Center, San Antonio, Texas 78234, USA
Gastroenterology 134:1682-98. 2008..Other potential therapeutic agents directed at cytoprotection or reduction of fibrosis are under investigation. This article focuses on diagnosis and therapy available and under development for this chronic liver disease...
A pilot study of orlistat treatment in obese, non-alcoholic steatohepatitis patientsS A Harrison
Department of Gastroenterology, Brooke Army Medical Center, San Antonio, TX 78234, USA
Aliment Pharmacol Ther 20:623-8. 2004..Treatment options for non-alcoholic steatohepatitis (NASH) are limited. Weight loss remains the most recommended therapy. Orlistat is an effective adjunct to dietary weight loss therapy...
Liver disease in patients with diabetes mellitusStephen A Harrison
Department of Hepatology, Brooke Army Medical Center, Fort Sam, Houston, TX, USA
J Clin Gastroenterol 40:68-76. 2006..The association with diabetes and cirrhosis, acute liver failure, hepatocellular carcinoma, and outcomes following orthotopic liver transplantation will also be discussed...
Inflammatory bowel disease: thinking outside of the intestines (Part 1)Jonathan M Ricker
Wilford Hall Medical Center, Lackland Air Force Base, San Antonio, TX, USA
J Miss State Med Assoc 49:359-64. 2008..This article will review the EMs of IBD which involve the hepatobiliary, mucocutaneous, musculoskeletal and ophthalmologic systems...
Extrahepatic manifestations of hepatitis CNicole A Palekar
Department of Medicine, Gastroenterology and Hepatology Service, Brooke Army Medical Center, Fort Sam Houston, TX, USA
South Med J 98:1019-23. 2005..This paper serves to review the growing body of literature detailing the extrahepatic manifestations of chronic hepatitis C...
Inflammatory bowel disease: thinking outside of the intestines (Part 2)Jonathan M Ricker
Wilford Hall Medical Center, Lackland Air Force Base, San Antonio, TX, USA
J Miss State Med Assoc 49:365-9. 2008..This article will review the EMs of IBD which involve the hematologic, cardiovascular, pulmonary, neurologic and urinary systems...
Orlistat in the treatment of NASH: a case seriesStephen A Harrison
Saint Louis University Liver Center, Division of Gastroenterology and Hepatology, St. Louis, Missouri 63110, USA
Am J Gastroenterol 98:926-30. 2003....
Vitamin E and vitamin C treatment improves fibrosis in patients with nonalcoholic steatohepatitisStephen A Harrison
Brooke Army Medical Center, University of Texas Health Science Center San Antonio, San Antonio, Texas, USA
Am J Gastroenterol 98:2485-90. 2003..No improvement in necroinflammatory activity or ALT was seen with this combination of drug therapy. A larger, multicenter, longer-term trial with vitamin E and vitamin C seems to be warranted...
Pharmacologic management of nonalcoholic fatty liver diseaseStephen A Harrison
Brooke Army Medical Center, Department of Gastroenterology and Hepatology, 3851 Roger Brooke Drive, Ft Sam Houston, TX 78234, USA
Clin Liver Dis 8:715-28, xii. 2004..This article focuses on the various therapeutic agents that have been evaluated in the treatment of NAFLD and their efficacy as well as their limitations...
Nonalcoholic fatty liver disease and nonalcoholic steatohepatitisStephen A Harrison
Department of Gastroenterology and Hepatology, Brooke Army Medical Center, 3851 Roger Brooke Drive, Fort Sam Houston, TX 78234, USA
Clin Liver Dis 8:861-79, ix. 2004..The article includes current thoughts on the natural history and pathogenesis of NAFLD and describes current trends in the diagnosis and treatment of this condition...
Effect of significant histologic steatosis or steatohepatitis on response to antiviral therapy in patients with chronic hepatitis CStephen A Harrison
Saint Louis University Liver Center, Saint Louis University, St Louis, MS, USA
Clin Gastroenterol Hepatol 3:604-9. 2005..A control group (group 2) of 231 CHC patients was identified by using a 2-year database (January 2000-June 2001) of patients without evidence of greater than 33% steatosis or SH...
Steatosis and chronic hepatitis C infection: mechanisms and significanceStephen A Harrison
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Brooke Army Medical Center, Fort Sam Houston, TX 78234, USA
Clin Gastroenterol Hepatol 3:S92-6. 2005....
Importance of changes in adipose tissue insulin resistance to histological response during thiazolidinedione treatment of patients with nonalcoholic steatohepatitisAmalia Gastaldelli
Diabetes Division, The University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
Hepatology 50:1087-93. 2009..Amelioration of Adipo-IR by pioglitazone is closely related to histological improvement and plays an important role during treatment of patients with NASH...
Review article: nonalcoholic fatty liver disease and hepatitis C virus--partners in crimeJ J Blonsky
Division of Gastroenterology and Hepatology, Brooke Army Medical Center, Fort Sam Houston, TX 78234, USA
Aliment Pharmacol Ther 27:855-65. 2008..Both nonalcoholic fatty liver disease (NAFLD) and chronic hepatitis C (CHC) are frequent causes of chronic liver disease. In recent years, there have been significant revelations as regards the relationship between NAFLD and CHC...
Nonalcoholic fatty liver disease and hepatocellular carcinoma: a weighty connectionBrad Q Starley
Department of Medicine, Division of Gastroenterology and Hepatology, Brooke Army Medical Center, Fort Sam Houston, TX 78234, USA
Hepatology 51:1820-32. 2010..The complications of NASH, including cirrhosis and HCC, are expected to increase with the growing epidemic of diabetes and obesity...
The natural history of nonalcoholic fatty liver disease: a clinical histopathological studyStephen A Harrison
Department of Gastroenterology, Wilford Hall Medical Center, Brooke Army Medical Center, San Antonio, Texas, USA
Am J Gastroenterol 98:2042-7. 2003..Histological progression correlated with higher serum AST but no other clinical factors. Steatosis alone may progress to NASH with fibrosis...
NASH and HCCJohn M Page
Department of Medicine, Gastroenterology Service, Brooke Army Medical Center, 3851 Roger Brooke Drive, Fort Sam Houston, TX 78234, USA
Clin Liver Dis 13:631-47. 2009..It is increasingly recognized that non-alcoholic steatohepatitis likely accounts for a substantial portion of cryptogenic hepatocellular carcinoma...
Pioglitazone treatment increases whole body fat but not total body water in patients with non-alcoholic steatohepatitisBogdan Balas
Diabetes Division, Department of Medicine, University of Texas Health Science Center at San Antonio, Room 3 380S, 7703 Floyd Curl Drive, San Antonio, TX 78284 3900, USA
J Hepatol 47:565-70. 2007..To understand the nature of weight gain associated with pioglitazone treatment in NASH we analyzed 35 patients who completed tests for determination of whole body fat (WBF) and total body water (TBW)...
Advances in the understanding and treatment of nonalcoholic fatty liver diseaseStephen A Harrison
Division of Gastroenterology and Hepatology, Saint Louis University School of Medicine, St Louis, Missouri, USA
Drugs 63:2379-94. 2003....
Validation of the non-alcoholic fatty liver disease activity scoreM Hjelkrem
Division of Gastroenterology, Department of Medicine, Brooke Army Medical Center, Fort Sam Houston, TX 78234, USA
Aliment Pharmacol Ther 34:214-8. 2011..However, the NAS and the correlation between the NAS and a diagnosis of NASH have not been validated outside the NASH CRN...
Clinical model for distinguishing nonalcoholic steatohepatitis from simple steatosis in patients with nonalcoholic fatty liver diseaseNicole A Palekar
Wilford Hall Medical Center, San Antonio, TX 78258, USA
Liver Int 26:151-6. 2006..In conclusion, we propose a noninvasive screening model for distinguishing simple steatosis from NASH. Identifying patients at risk for NASH will allow clinicians to more accurately determine who may benefit from liver biopsy...
Nonalcoholic steatohepatitis: what we know in the new millenniumStephen A Harrison
Department of Gastroenterology, Brooke Army Medical Center, Fort Sam Houston, Texas 78234, USA
Am J Gastroenterol 97:2714-24. 2002..Current investigations are focusing on improving the underlying insulin resistance that has been associated with NASH as well as other therapies that decrease oxidative stress or improve hepatocyte survival...
Non-alcoholic steatohepatitis: effect of Roux-en-Y gastric bypass surgeryKevin B Barker
Wilford Hall Medical Center, San Antonio, Texas, USA
Am J Gastroenterol 101:368-73. 2006..and lipid profiles. Furthermore, RYGBP results in significant improvement in the histological features of NASH with resolution of disease in a majority of these patients...
New advances in evaluation and management of patients with polycystic liver diseaseHays L Arnold
Gastroenterology Service, Department of Medicine, Brooke Army Medical Center, Fort Sam, Houston, Texas 78234-6200, USA
Am J Gastroenterol 100:2569-82. 2005..The surgical literature on treatment of APLD, to include outcome measurements and complication rates are summarized. Additionally, we review other potential organ involvement and resultant complications...
Fat and the liver--a molecular overviewStephen A Harrison
Brooke Army Medical Center, Ft Sam Houston TX, USA
Semin Gastrointest Dis 13:3-16. 2002..A better understanding of these mechanisms is desired to target treatments to prevent and/or reverse nonalcoholic steatohepatitis, thereby aborting the evolution of cirrhosis...
Diabetic hepatosclerosis: diabetic microangiopathy of the liverStephen A Harrison
Liver Center, Department of Medicine, Saint Louis University School of Medicine, St Louis, MO 63110, USA
Arch Pathol Lab Med 130:27-32. 2006..Further studies are needed to precisely characterize diabetic hepatosclerosis and to understand mechanisms of pathogenesis and the clinical significance...
HCV in patients with end-stage renal diseaseEmuejevoke J Okoh
Division of Gastroenterology and Hepatology, Brooke Army Medical Center, Fort Sam Houston, Texas 78234, USA
Am J Gastroenterol 103:2123-34. 2008..Finally, with regard to postrenal transplant treatment of HCV infection, there is no evidence to support treatment with interferon-based therapy and pretransplant treatment remains the best option whenever possible...
Small molecule and novel treatments for chronic hepatitis C virus infectionStephen A Harrison
Brooke Army Medical Center, Division of Gastroenterology and Hepatology, Department of Medicine, Fort Sam Houston, Texas, USA
Am J Gastroenterol 102:2332-8. 2007..In conclusion, small molecule and novel therapies for HCV infection are showing promise in clinical trials, and research to develop new agents and optimize treatment regimens is ongoing...
Histopathologic variability between the right and left lobes of the liver in morbidly obese patients undergoing Roux-en-Y bypassSteven P Larson
Division of Gastroenterology and Hepatology, Wilford Hall Medical Center, San Antonio, Texas, USA
Clin Gastroenterol Hepatol 5:1329-32. 2007..Our aim was to assess for significant regional differences in histopathology between the right and left lobes of the liver in morbidly obese patients undergoing bariatric surgery...
Comparison of the natural history of alcoholic and nonalcoholic fatty liver diseaseShane J Mills
Department of Medicine, Gastroenterology and Hepatology Service, Brooke Army Medical Center, 3851 Roger Brooke Drive, Fort Sam Houston, TX 78234-6200, USA
Curr Gastroenterol Rep 7:32-6. 2005..Although they are histologically indistinct, AFLD and NAFLD follow different clinical courses. This article compares the natural history of these diseases...
Insulin resistance and hepatitis C: an evolving storyMohammed Eslam
Department of Medicine, Division of Gastroenterology and Hepatology, Brooke Army Medical Center, Fort Sam Houston, TX 78234, USA
Gut 60:1139-51. 2011....
Hereditary hemochromatosis: update for 2003Stephen A Harrison
Division of Gastroenterology and Hepatology, Saint Louis University School of Medicine, 3635 Vista Avenue, St Louis, MO 63110-0250, USA
J Hepatol 38:S14-23. 2003
Cognitive lifetime drinking history in nonalcoholic fatty liver disease: some cases may be alcohol relatedPaul H Hayashi
Wilford Hall Medical Center, Gastroenterology and Pathology Departments, Brooke Army Medical Center, San Antonio, Texas, USA
Am J Gastroenterol 99:76-81. 2004..Routine physician interviews obtain less accurate alcohol histories compared to CLDH. The clinical significance of past alcohol intake and methods of measuring alcohol ingestion in fatty liver patients deserves further investigation...
Nonalcoholic fatty liver disease presenting with an isolated elevated alkaline phosphataseMatthew W Pantsari
Brooke Army Medical Center, San Antonio, TX, USA
J Clin Gastroenterol 40:633-5. 2006..CONCLUSIONS: Older female patients with isolated elevated alkaline phosphatase and risk factors for NAFLD should be evaluated for evidence of significant steatohepatitis...
Same day endoscopy and percutaneous liver biopsy: safety and cost-effectivenessJ Aaron Cook
Brooke Army Medical Center, 3841 Roger Brooke Drive, Ft Sam Houston, TX 78234, USA
Dig Dis Sci 54:1753-7. 2009..001). In conclusion, endoscopy and percutaneous liver biopsy can safely be performed in the same patient on the same day, which simultaneously increases patient satisfaction and is cost-effective...
The role of vitamin E and C therapy in NASHStephen A Harrison
Am J Gastroenterol 99:1862. 2004
HCV therapy in 2006: down with ALT levels, in with awareness of co-existent metabolic syndromeStephen A Harrison
J Hepatol 44:624-6. 2006
Correlation between insulin resistance and hepatitis C viral loadStephen A Harrison
Hepatology 43:1168; author reply 1168-9. 2006
HCV replication and statin pleotropism: an adjuvant treatment panacea?Dawn M Torres
Am J Gastroenterol 103:1390-2. 2008..While limited by heterogeneous patient population and overall small numbers, this study provides hope that use of statins in combination with standard therapy pegylated interferon and ribavirin may improve SVR...
An AFLP-based survey of genetic diversity among accessions of sea oats (Uniola paniculata, Poaceae) from the southeastern Atlantic and Gulf coast states of the United StatesPrasanta K Subudhi
Department of Agronomy and Environmental Management, Louisiana State University Agricultural Center, 104 M B Sturgis Hall, Baton Rouge, LA 70803, USA
Theor Appl Genet 111:1632-41. 2005....
