Philip S Schoenfeld

Summary

Affiliation: University of Michigan
Country: USA

Publications

  1. ncbi request reprint An evidence-based approach to the gastrointestinal safety profile of COX-2-selective anti-inflammatories
    P Schoenfeld
    Division of Gastroenterology, Department of Medicine, University of Michigan Medical Center, Veterans Affairs Center of Excellence for Health Services Research, Ann Arbor, Michigan, USA
    Gastroenterol Clin North Am 30:1027-44, viii-ix. 2001
  2. ncbi request reprint Efficacy of current drug therapies in irritable bowel syndrome: what works and does not work
    Philip Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine, VAMC 111 D, 2215 Fuller Road, Ann Arbor, MI 48105, USA
    Gastroenterol Clin North Am 34:319-35, viii. 2005
  3. ncbi request reprint An evidence-based approach to clinical practice guidelines: diagnosis and treatment of irritable bowel syndrome
    Philip Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine, Ann Arbor, MI, USA
    Clin Gastroenterol Hepatol 1:322-7. 2003
  4. ncbi request reprint Colonoscopic screening of average-risk women for colorectal neoplasia
    Philip Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine and Veterans Affairs Center for Excellence in Health Services Research, Ann Arbor 48105, USA
    N Engl J Med 352:2061-8. 2005
  5. ncbi request reprint Systematic review: incidence of abdominal/pelvic surgery amongst patients using tegaserod in randomized controlled trials
    P Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine and Veterans Affairs Center for Excellence in Health Services Research, Ann Arbor, MI 48105, USA
    Aliment Pharmacol Ther 19:263-9. 2004
  6. pmc Knowledge of hepatocellular carcinoma screening guidelines and clinical practices among gastroenterologists
    Pratima Sharma
    Division of Gastroenterology, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI 48109, USA
    Dig Dis Sci 56:569-77. 2011
  7. doi request reprint Cost-effectiveness of proton pump inhibitor cotherapy in patients taking long-term, low-dose aspirin for secondary cardiovascular prevention
    Sameer D Saini
    Department of Internal Medicine, University of Michigan Medical School, 3912 Taubman Center, Ann Arbor, MI 48109 0362, USA
    Arch Intern Med 168:1684-90; discussion 1691. 2008
  8. doi request reprint Surveillance colonoscopy is cost-effective for patients with adenomas who are at high risk of colorectal cancer
    Sameer D Saini
    Division of Gastroenterology, University of Michigan Medical School, Ann Arbor, Michigan, USA
    Gastroenterology 138:2292-9, 2299.e1. 2010
  9. doi request reprint Why don't gastroenterologists follow colon polyp surveillance guidelines?: results of a national survey
    Sameer D Saini
    Division of Gastroenterology, University of Michigan Medical School, Ann Arbor, MI 48109 0362, USA
    J Clin Gastroenterol 43:554-8. 2009
  10. ncbi request reprint Effect of medication dosing frequency on adherence in chronic diseases
    Sameer D Saini
    Department of Internal Medicine, University of Michigan, Ann Arbor, USA
    Am J Manag Care 15:e22-33. 2009

Research Grants

  1. Colon Polyp Surveillance with DNA Analysis of Stool
    Philip Schoenfeld; Fiscal Year: 2002
  2. Colon Polyp Screening with Colonoscopy in Women
    Philip Schoenfeld; Fiscal Year: 2005
  3. Training Program in Gastrointestinal Epidemiology
    Philip Schoenfeld; Fiscal Year: 2007

Detail Information

Publications32

  1. ncbi request reprint An evidence-based approach to the gastrointestinal safety profile of COX-2-selective anti-inflammatories
    P Schoenfeld
    Division of Gastroenterology, Department of Medicine, University of Michigan Medical Center, Veterans Affairs Center of Excellence for Health Services Research, Ann Arbor, Michigan, USA
    Gastroenterol Clin North Am 30:1027-44, viii-ix. 2001
    ..This article concludes with evidence-based recommendations concerning which patients are at high risk for serious NSAID-associated GI disorders and which therapies are most effective in reducing serious NSAID-associated GI disorders...
  2. ncbi request reprint Efficacy of current drug therapies in irritable bowel syndrome: what works and does not work
    Philip Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine, VAMC 111 D, 2215 Fuller Road, Ann Arbor, MI 48105, USA
    Gastroenterol Clin North Am 34:319-35, viii. 2005
    ..Alosetron is more effective than placebo in women with diarrhea-predominant IBS, although its use should be limited to patients who have failed conventional therapy because of its adverse event profile...
  3. ncbi request reprint An evidence-based approach to clinical practice guidelines: diagnosis and treatment of irritable bowel syndrome
    Philip Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine, Ann Arbor, MI, USA
    Clin Gastroenterol Hepatol 1:322-7. 2003
  4. ncbi request reprint Colonoscopic screening of average-risk women for colorectal neoplasia
    Philip Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine and Veterans Affairs Center for Excellence in Health Services Research, Ann Arbor 48105, USA
    N Engl J Med 352:2061-8. 2005
    ..In a tandem study, we examined the yield of screening colonoscopy in women...
  5. ncbi request reprint Systematic review: incidence of abdominal/pelvic surgery amongst patients using tegaserod in randomized controlled trials
    P Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine and Veterans Affairs Center for Excellence in Health Services Research, Ann Arbor, MI 48105, USA
    Aliment Pharmacol Ther 19:263-9. 2004
    ....
  6. pmc Knowledge of hepatocellular carcinoma screening guidelines and clinical practices among gastroenterologists
    Pratima Sharma
    Division of Gastroenterology, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI 48109, USA
    Dig Dis Sci 56:569-77. 2011
    ..Our aim was to assess gastroenterologists' knowledge of HCC management guidelines established by the American Association for the Study of Liver Diseases (AASLD) and usual clinical practice...
  7. doi request reprint Cost-effectiveness of proton pump inhibitor cotherapy in patients taking long-term, low-dose aspirin for secondary cardiovascular prevention
    Sameer D Saini
    Department of Internal Medicine, University of Michigan Medical School, 3912 Taubman Center, Ann Arbor, MI 48109 0362, USA
    Arch Intern Med 168:1684-90; discussion 1691. 2008
    ..Although these patients are at increased risk for upper gastrointestinal bleeding (UGIB) and proton pump inhibitor (PPI) cotherapy may reduce such risk, it is not known whether lifelong PPI cotherapy is cost-effective...
  8. doi request reprint Surveillance colonoscopy is cost-effective for patients with adenomas who are at high risk of colorectal cancer
    Sameer D Saini
    Division of Gastroenterology, University of Michigan Medical School, Ann Arbor, Michigan, USA
    Gastroenterology 138:2292-9, 2299.e1. 2010
    ..Guidelines recommend that patients with colon adenomas undergo periodic surveillance colonoscopy. The purpose of this study was to estimate the cost-effectiveness of these recommendations...
  9. doi request reprint Why don't gastroenterologists follow colon polyp surveillance guidelines?: results of a national survey
    Sameer D Saini
    Division of Gastroenterology, University of Michigan Medical School, Ann Arbor, MI 48109 0362, USA
    J Clin Gastroenterol 43:554-8. 2009
    ..To measure knowledge and acceptance of colon polyp surveillance guidelines among gastroenterologists...
  10. ncbi request reprint Effect of medication dosing frequency on adherence in chronic diseases
    Sameer D Saini
    Department of Internal Medicine, University of Michigan, Ann Arbor, USA
    Am J Manag Care 15:e22-33. 2009
    ..To systematically review available data on the effect of daily medication dosing frequency on medication adherence in chronic disease states, as assessed by precise medication event monitoring systems (MEMS)...
  11. ncbi request reprint Safety profile of tegaserod, a 5-HT4 receptor agonist, for the treatment of irritable bowel syndrome
    William L Hasler
    Division of Gastroenterology, University of Michigan School of Medicine, Ann Arbor, Michigan, USA
    Drug Saf 27:619-31. 2004
    ..Diarrhoea is the most common adverse event associated with tegaserod use. Continued post-US marketing surveillance will further define the safety and tolerability profile of tegaserod...
  12. ncbi request reprint Incidence of advanced adenomas at surveillance colonoscopy in patients with a personal history of colon adenomas: a meta-analysis and systematic review
    Sameer D Saini
    Division of Gastroenterology, Department of Internal Medicine, University of Michigan School of Medicine, Ann Arbor, Michigan, USA
    Gastrointest Endosc 64:614-26. 2006
    ..Guidelines recommend longer intervals between surveillance colonoscopies for low-risk patients, but physicians frequently perform surveillance colonoscopy at shorter intervals for these patients...
  13. pmc Effect of flexible sigmoidoscopy-based screening on incidence and mortality of colorectal cancer: a systematic review and meta-analysis of randomized controlled trials
    B Joseph Elmunzer
    Division of Gastroenterology and Hepatology, Department of Medicine, University of Michigan Medical Center, Ann Arbor, MI, USA
    PLoS Med 9:e1001352. 2012
    ..Our objective was to more precisely estimate the effect of FS-based screening on the incidence and mortality of CRC by performing a meta-analysis of published RCTs...
  14. ncbi request reprint Evidence-based medicine in practice: applying intention-to-treat analysis and perprotocol analysis
    Philip S Schoenfeld
    Division of Gastroenterology, University of Michigan, School of Medicine, Ann Arbor, MI 48105, USA
    Am J Gastroenterol 100:3-4. 2005
  15. doi request reprint The utility of probiotics in the treatment of irritable bowel syndrome: a systematic review
    Darren M Brenner
    Division of Gastroenterology, Department of Internal Medicine, Northwestern University Feinberg School of Medicine, Ann Arbor, Michigan, USA
    Am J Gastroenterol 104:1033-49; quiz 1050. 2009
    ..The aim of this study was to perform a systematic review of randomized controlled trials (RCTs) evaluating the efficacy, safety, and tolerability of probiotics in the treatment of IBS...
  16. ncbi request reprint Predictive value of diminutive colonic adenoma trial: the PREDICT trial
    Philip Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine, and VA Center for Practice Management and Outcomes Research, Ann Arbor, Michigan 48105, USA
    Clin Gastroenterol Hepatol 1:195-201. 2003
    ..Diminutive adenomas (1-9 mm in diameter) are frequently found during colon cancer screening with flexible sigmoidoscopy (FS). This trial assessed the predictive value of these diminutive adenomas for advanced adenomas in the proximal colon...
  17. pmc Intraprocedural quality in endoscopic retrograde cholangiopancreatography: a meta-analysis
    Anthony T DeBenedet
    Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, Michigan, USA
    Am J Gastroenterol 108:1696-704; quiz 1705. 2013
    ..Our secondary aim was to determine whether performance varies across different health-care settings (academic and community), study designs (prospective and retrospective), and trainee participation...
  18. ncbi request reprint Evidence-based medicine (EBM) in practice: understanding tests of heterogeneity in metaanalysis
    Philip S Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine and Veterans Affairs Center for Excellence in Health Services Research, Ann Arbor, Michigan 48105, USA
    Am J Gastroenterol 100:1221-3. 2005
  19. ncbi request reprint Colonoscopic surveillance of patients with a family history of colon cancer and a history of normal colonoscopy: is a five-year interval between colonoscopies appropriate?
    Philip S Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine, Ann Arbor, MI, USA
    Clin Gastroenterol Hepatol 1:310-4. 2003
    ..e., villous adenomas, adenomas > or = 10 mm, adenomas with high grade dysplasia); and (3) to assess risk factors for adenomas in these patients...
  20. ncbi request reprint Expert commentary--evidence-based guidelines for the treatment of irritable bowel syndrome in North America
    Philip Schoenfeld
    Gastroenterology Outcomes Research, University of Michigan School of Medicine, Ann Arbor, USA
    MedGenMed 5:13. 2003
  21. ncbi request reprint An evidence-based medicine approach to studies of diagnostic tests: assessing the validity of virtual colonoscopy
    Brooks D Cash
    Division of Gastroenterology, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
    Clin Gastroenterol Hepatol 1:136-44. 2003
  22. ncbi request reprint An evidence-based approach to studies of gastrointestinal therapies
    Philip Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine, Ann Arbor, Michigan, USA
    Clin Gastroenterol Hepatol 1:57-63. 2003
    ..The evidence-based medicine concepts have been expanded from previous articles and examples from the gastrointestinal literature have been used...
  23. pmc Utilization of upper endoscopy for surveillance of gastric ulcers in the United States
    Sameer D Saini
    Division of Gastroenterology, University of Michigan Medical School, Ann Arbor, Michigan 48109 0362, USA
    Am J Gastroenterol 103:1920-5. 2008
    ..The purpose of this study was to examine frequency of utilization of surveillance EGD in patients found to have GUs using a national endoscopic database...
  24. ncbi request reprint Influence of malpractice history on the practice of screening and surveillance for Barrett's esophagus
    Joel H Rubenstein
    Ann Arbor Veterans Affairs Medical Center, Ann Arbor, Michigan 48105, USA
    Am J Gastroenterol 103:842-9. 2008
    ..We hypothesized that financial incentives and concerns over malpractice litigation influence gastroenterologists' usual practices regarding screening and surveillance...
  25. ncbi request reprint Evidence based medicine (EBM) in practice: applying relative risk and relative risk reduction
    Philip Schoenfeld
    Division of Gastroenterology, University of Michigan School of Medicine, USA
    Am J Gastroenterol 99:2084-5. 2004
  26. ncbi request reprint Incidence of ischemic colitis and serious complications of constipation among patients using alosetron: systematic review of clinical trials and post-marketing surveillance data
    Lin Chang
    Center for Neurovisceral Sciences and Women s Health, Department of Medicine, UCLA and VA Greater Los Angeles Healthcare Center, California, USA
    Am J Gastroenterol 101:1069-79. 2006
    ..This systematic review calculated the incidence of these adverse events in alosetron-using patients in clinical trials and post-marketing surveillance...
  27. ncbi request reprint Levofloxacin-based triple therapy versus bismuth-based quadruple therapy for persistent Helicobacter pylori infection: a meta-analysis
    Richard J Saad
    Department of Medicine, Division of Gastroenterology, University of Michigan Medical Center, 3912 Taubman Center, Ann Arbor, MI 48109, USA
    Am J Gastroenterol 101:488-96. 2006
    ..Levofloxacin-based triple therapy has been suggested as an alternative salvage therapy to bismuth-based quadruple therapy for persistent Helicobacter pylori (H. pylori) infection...
  28. ncbi request reprint Systematic review on the management of chronic constipation in North America
    Lawrence J Brandt
    Division of Gastroenterology, Montefiore Medical Center Albert Einstein College of Medicine, Bronx, NY, USA
    Am J Gastroenterol 100:S5-S21. 2005
  29. ncbi request reprint Pharyngeal anesthesia during sedated EGDs: is "the spray" beneficial? A meta-analysis and systematic review
    Luke T Evans
    Division of Gastroenterology, University of Michigan School of Medicine, Ann Arbor, Michigan 48105, USA
    Gastrointest Endosc 63:761-6. 2006
    ..Methemoglobinemia and anaphylactic reactions are rare but serious complications of topical anesthetic agents. Individual studies produce variable results about the effectiveness of pharyngeal anesthesia in improving patient tolerance...
  30. ncbi request reprint An evidence-based approach to studies of the natural history of gastrointestinal diseases: recurrence of symptomatic Crohn's disease after surgery
    James D Lewis
    Department of Medicine, and Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104 6021, USA
    Clin Gastroenterol Hepatol 1:229-36. 2003
  31. ncbi request reprint Knowledge of hepatitis C screening and management by internal medicine residents: trends over 2 years
    Thomas M Shehab
    Department of Internal Medicine, University of Michigan Health System, Ann Arbor, USA
    Am J Gastroenterol 97:1216-22. 2002
    ..Internal medicine residents must be able to identify patients at risk for hepatitis C and institute appropriate diagnostic testing and referral of these patients...
  32. ncbi request reprint Therapy for irritable bowel syndrome
    Philip S Schoenfeld
    N Engl J Med 350:1261-3; author reply 1261-3. 2004

Research Grants4

  1. Colon Polyp Surveillance with DNA Analysis of Stool
    Philip Schoenfeld; Fiscal Year: 2002
    ..colonoscopy as a surveillance tool. Ultimately, this trial will produce pilot data to determine if a randomized controlled trial of fecal MTAP vs. colonoscopy for colon adenoma surveillance should be performed...
  2. Colon Polyp Screening with Colonoscopy in Women
    Philip Schoenfeld; Fiscal Year: 2005
    ..Ultimately, the proposed research studies, didactic coursework, and mentoring hopefully will lead to successful R01 applications. ..
  3. Training Program in Gastrointestinal Epidemiology
    Philip Schoenfeld; Fiscal Year: 2007
    ..To capitalize on this rich environment, trainees will have 80% of their time protected to participate in the formal coursework, interactive seminar series, and mentorship from a team of research preceptors. ..