Theodore Levin

Summary

Affiliation: Kaiser Permanente
Country: USA

Publications

  1. ncbi Complications of colonoscopy in an integrated health care delivery system
    Theodore R Levin
    Kaiser Permanente Medical Care Program, Oakland, California, USA
    Ann Intern Med 145:880-6. 2006
  2. ncbi Quality in the technical performance of screening flexible sigmoidoscopy: recommendations of an international multi-society task group
    T R Levin
    Kaiser Permanente Division of Research, 2000 Broadway, 2nd Floor, Oakland, CA 94612, USA
    Gut 54:807-13. 2005
  3. ncbi Organized colorectal cancer screening in integrated health care systems
    Theodore R Levin
    Epidemiol Rev 33:101-10. 2011
  4. ncbi Flexible sigmoidoscopy: an important screening option for average-risk individuals
    Theodore R Levin
    Department of Gastroenterology, Kaiser Permanente Medical Center, Walnut Creek, California, USA
    Gastrointest Endosc Clin N Am 12:23-40, vi. 2002
  5. ncbi Complications of screening flexible sigmoidoscopy
    Theodore R Levin
    Kaiser Permanente Division of Research, Oakland, California 94612, USA
    Gastroenterology 123:1786-92. 2002
  6. ncbi Flexible sigmoidoscopy for colorectal cancer screening: valid approach or short-sighted?
    Theodore R Levin
    Gastroenterology Department, Kaiser Permanente Medical Center, 1425 S Main Street, Medicine Station E, Walnut Creek, CA 94596, USA
    Gastroenterol Clin North Am 31:1015-29, vii. 2002
  7. ncbi Screening for colorectal neoplasms with new fecal occult blood tests: update on performance characteristics
    James E Allison
    Division of Research, Kaiser Permanente Northern California Region, 2000 Broadway, Oakland, CA 94612 2304, USA
    J Natl Cancer Inst 99:1462-70. 2007
  8. ncbi Screening and surveillance for the early detection of colorectal cancer and adenomatous polyps, 2008: a joint guideline from the American Cancer Society, the US Multi-Society Task Force on Colorectal Cancer, and the American College of Radiology
    Bernard Levin
    The University of Texas MD Anderson Cancer Center, Houston, TX, USA
    CA Cancer J Clin 58:130-60. 2008
  9. ncbi Implications of new colorectal cancer screening technologies for primary care practice
    Ann G Zauber
    Department of Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, New York 10065, USA
    Med Care 46:S138-46. 2008
  10. ncbi Race, ethnicity, sex and temporal differences in Barrett's oesophagus diagnosis: a large community-based study, 1994-2006
    D A Corley
    Division of Research, Kaiser Permanente, Oakland, CA 94612, USA
    Gut 58:182-8. 2009

Research Grants

  1. Insulin Resistance and Adenomas of the Colorectum
    Theodore Levin; Fiscal Year: 2003

Detail Information

Publications47

  1. ncbi Complications of colonoscopy in an integrated health care delivery system
    Theodore R Levin
    Kaiser Permanente Medical Care Program, Oakland, California, USA
    Ann Intern Med 145:880-6. 2006
    ..Information about colonoscopy complications, particularly postpolypectomy bleeding, is limited...
  2. ncbi Quality in the technical performance of screening flexible sigmoidoscopy: recommendations of an international multi-society task group
    T R Levin
    Kaiser Permanente Division of Research, 2000 Broadway, 2nd Floor, Oakland, CA 94612, USA
    Gut 54:807-13. 2005
    ..Potential variation in technical quality may have a profound impact on the effectiveness of FS on the early detection and prevention of colorectal cancer...
  3. ncbi Organized colorectal cancer screening in integrated health care systems
    Theodore R Levin
    Epidemiol Rev 33:101-10. 2011
    ..Organized fecal immunochemical test screening has been associated with an increase in annually detected CRCs, almost entirely because of increased detection of localized-stage cancers...
  4. ncbi Flexible sigmoidoscopy: an important screening option for average-risk individuals
    Theodore R Levin
    Department of Gastroenterology, Kaiser Permanente Medical Center, Walnut Creek, California, USA
    Gastrointest Endosc Clin N Am 12:23-40, vi. 2002
    ..This article discusses evidence supporting flexible sigmoidoscopy, practical issues in implementation, and current controversies...
  5. ncbi Complications of screening flexible sigmoidoscopy
    Theodore R Levin
    Kaiser Permanente Division of Research, Oakland, California 94612, USA
    Gastroenterology 123:1786-92. 2002
    ..We aimed to determine the incidence of gastrointestinal complications and acute myocardial infarction (MI) after screening FS...
  6. ncbi Flexible sigmoidoscopy for colorectal cancer screening: valid approach or short-sighted?
    Theodore R Levin
    Gastroenterology Department, Kaiser Permanente Medical Center, 1425 S Main Street, Medicine Station E, Walnut Creek, CA 94596, USA
    Gastroenterol Clin North Am 31:1015-29, vii. 2002
    ..In the future, it is likely that flexible sigmoidoscopy screening among patients aged 50 to 65 will be supplemented with total colonic screening, using molecular-based fecal tests or virtual colonoscopy, after age 65...
  7. ncbi Screening for colorectal neoplasms with new fecal occult blood tests: update on performance characteristics
    James E Allison
    Division of Research, Kaiser Permanente Northern California Region, 2000 Broadway, Oakland, CA 94612 2304, USA
    J Natl Cancer Inst 99:1462-70. 2007
    ..Thus, improving the sensitivity of FOBT should make colon cancer screening programs that use these tests more effective...
  8. ncbi Screening and surveillance for the early detection of colorectal cancer and adenomatous polyps, 2008: a joint guideline from the American Cancer Society, the US Multi-Society Task Force on Colorectal Cancer, and the American College of Radiology
    Bernard Levin
    The University of Texas MD Anderson Cancer Center, Houston, TX, USA
    CA Cancer J Clin 58:130-60. 2008
    ..It is the strong opinion of these 3 organizations that colon cancer prevention should be the primary goal of screening...
  9. ncbi Implications of new colorectal cancer screening technologies for primary care practice
    Ann G Zauber
    Department of Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, New York 10065, USA
    Med Care 46:S138-46. 2008
  10. ncbi Race, ethnicity, sex and temporal differences in Barrett's oesophagus diagnosis: a large community-based study, 1994-2006
    D A Corley
    Division of Research, Kaiser Permanente, Oakland, CA 94612, USA
    Gut 58:182-8. 2009
    ..To evaluate the demographics and incidence of Barrett's oesophagus diagnosis using community-based data...
  11. ncbi Cigarette smoking and the risk of Barrett's esophagus
    Ai Kubo
    Division of Research, Kaiser Permanente, 2000 Broadway, Oakland, CA 94612, USA
    Cancer Causes Control 20:303-11. 2009
    ..We examined the association between smoking and the risk of Barrett's esophagus (BE), a metaplastic precursor to esophageal adenocarcinoma...
  12. ncbi Dietary patterns and the risk of Barrett's esophagus
    Ai Kubo
    Division of Research, Kaiser Permanente Northern California, Oakland, CA 94612, USA
    Am J Epidemiol 167:839-46. 2008
    ..Results suggest strong associations between a diet rich in fruits and vegetables and the risk of Barrett's esophagus...
  13. ncbi Helicobacter pylori infection and the risk of Barrett's oesophagus: a community-based study
    D A Corley
    Division of Research, Kaiser Permanente, 2000 Broadway, Oakland, CA 94612, USA
    Gut 57:727-33. 2008
    ..Its associations with Barrett's oesophagus, a metaplastic change that is a probable early event in the carcinogenesis of oesophageal adenocarcinoma, were evaluated..
  14. ncbi Hemochromatosis gene status as a risk factor for Barrett's esophagus
    Douglas A Corley
    Division of Research, Kaiser Permanente, 2000 Broadway, Oakland, CA, 94612, USA
    Dig Dis Sci 53:3095-102. 2008
    ..As expected, gene defects were associated with increased iron stores. We can conclude from our findings that Barrett's esophagus was not associated with hemochromatosis gene defects, although we cannot exclude small effects...
  15. ncbi Helicobacter pylori and gastroesophageal reflux disease: a case-control study
    Douglas A Corley
    Division of Research, Kaiser Permanente, Oakland, California 94612 2304, USA
    Helicobacter 13:352-60. 2008
    ..Gastric colonization with Helicobacter pylori is a proposed protective factor against gastroesophageal reflux disease (GERD), but little population-based data exist and other data conflict...
  16. ncbi Re: Risk of perforation after colonoscopy and sigmoidoscopy: a population-based study
    Robert E Schoen
    J Natl Cancer Inst 95:830-1; author reply 831. 2003
  17. ncbi Abdominal obesity and body mass index as risk factors for Barrett's esophagus
    Douglas A Corley
    Division of Research, Kaiser Permanente, Oakland, California 94612, USA
    Gastroenterology 133:34-41; quiz 311. 2007
    ..Barrett's esophagus is a strong risk factor for esophageal adenocarcinoma, but little is known about its associations with body mass index (BMI) or abdominal obesity...
  18. ncbi Medical therapy for diabetes is associated with increased use of lower endoscopy
    James D Lewis
    Department of Medicine, Division of Gastroenterology, Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania School of Medicine, USA
    Pharmacoepidemiol Drug Saf 16:1195-202. 2007
    ..This study examined the association between diabetes therapies and use of lower endoscopy...
  19. ncbi Change in body size and the risk of colorectal adenomas
    Rebecca L Sedjo
    Department of Preventive Medicine and Biometrics, University of Colorado School of Medicine, P O Box 6508, 13001 East 17th Place, MS F519, Aurora, CO 80045, USA
    Cancer Epidemiol Biomarkers Prev 16:526-31. 2007
    ..Stronger associations were observed when obesity was measured at the time of colonoscopy, suggesting that obesity may be a promoting factor in the growth of colorectal adenomas...
  20. ncbi The incidence of colorectal cancer following a negative screening sigmoidoscopy: implications for screening interval
    V Paul Doria-Rose
    Department of Epidemiology, University of Washington, Seattle, Washington, USA
    Gastroenterology 127:714-22. 2004
    ..We estimated the annual incidence of distal and proximal CRC in the first 5 years following a negative sigmoidoscopy examination to gauge the potential benefit of rescreening in <5 years...
  21. ncbi What does sigmoidoscopy really miss?
    Theodore R Levin
    Gastroenterology Department, Kaiser Permanente Medical Center, Walnut Creek, California, USA
    Am J Gastroenterol 98:2326-7. 2003
  22. ncbi Predicting advanced proximal colonic neoplasia with screening sigmoidoscopy
    T R Levin
    Division of Research, Kaiser Permanente Medical Care Program, Oakland, Calif, USA
    JAMA 281:1611-7. 1999
    ..Indications are not well defined for follow-up colonoscopy for all patients with distal colonic tubular adenomas (TAs) found at screening sigmoidoscopy...
  23. ncbi Dietary antioxidants, fruits, and vegetables and the risk of Barrett's esophagus
    Ai Kubo
    Division of Research, Kaiser Permanente, Oakland, California 94612, USA
    Am J Gastroenterol 103:1614-23; quiz 1624. 2008
    ..The present study evaluated the associations among antioxidants, fruit and vegetable intake, and the risk of Barrett's esophagus (BE), a potential precursor to esophageal adenocarcinoma...
  24. ncbi Quality in the technical performance of colonoscopy and the continuous quality improvement process for colonoscopy: recommendations of the U.S. Multi-Society Task Force on Colorectal Cancer
    Douglas K Rex
    Department of Medicine/Gastroenterology, Indiana University Medical Center, Indianapolis, USA
    Am J Gastroenterol 97:1296-308. 2002
  25. ncbi Stool DNA and occult blood testing for screen detection of colorectal neoplasia
    David A Ahlquist
    Mayo Clinic, Rochester, Minnesota 55905, USA
    Ann Intern Med 149:441-50, W81. 2008
    ..Stool DNA testing is a new approach to colorectal cancer detection. Few data are available from the screening setting...
  26. ncbi Standardized colonoscopy reporting and data system: report of the Quality Assurance Task Group of the National Colorectal Cancer Roundtable
    David Lieberman
    Division of Gastroenterology, Oregon Health and Science University, Portland VA Medical Center, Portland, Oregon 97239, USA
    Gastrointest Endosc 65:757-66. 2007
    ..The Quality Assurance Task Group of the National Colorectal Cancer Roundtable developed a reporting and data system for colonoscopy based on continuous quality improvement indicators...
  27. ncbi Colonoscopy capacity: Can we build it? Will they come?
    Theodore R Levin
    Gastroenterology 127:1841-4. 2004
  28. ncbi Associations between apoE genotype and colon and rectal cancer
    Martha L Slattery
    Health Research Center, University of Utah, Salt Lake City, UT 84108, USA
    Carcinogenesis 26:1422-9. 2005
    ....
  29. ncbi Guidelines for colonoscopy surveillance after polypectomy: a consensus update by the US Multi-Society Task Force on Colorectal Cancer and the American Cancer Society
    Sidney J Winawer
    Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
    CA Cancer J Clin 56:143-59; quiz 184-5. 2006
    ..It has been shown that the first screening colonoscopy and polypectomy produces the greatest effects on reducing the incidence of colorectal cancer in patients with adenomatous polyps...
  30. ncbi Colonoscopic screening of women for colorectal neoplasia
    Theodore R Levin
    N Engl J Med 353:844-6; author reply 844-6. 2005
  31. ncbi Does family history still matter in the era of screening colonoscopy?
    Theodore R Levin
    Clin Gastroenterol Hepatol 1:69-70. 2003
  32. ncbi Barrett's esophagus and medications that relax the lower esophageal sphincter
    Douglas A Corley
    Northern California Kaiser Permanente Division of Research, Oakland 94612, USA
    Am J Gastroenterol 101:937-44. 2006
    ..This association was only observed with asthma medications; the analyses suggested the possibility of confounding by indication, whereby reflux may cause both asthma and Barrett's esophagus...
  33. ncbi PPARgamma and colon and rectal cancer: associations with specific tumor mutations, aspirin, ibuprofen and insulin-related genes (United States)
    Martha L Slattery
    Health Research Center, University of Utah, Salt Lake City, 84108, USA
    Cancer Causes Control 17:239-49. 2006
    ..These data suggest that PPARgamma may be associated with many aspects of colorectal cancer including insulin- and inflammation-related mechanisms...
  34. ncbi Screening in liver disease: report of an AASLD clinical workshop
    Paul C Adams
    London Health Sciences Centre, London, Ontario, Canada
    Hepatology 39:1204-12. 2004
    ..Future screening programs require careful planning and implementation to balance the benefits, risks, and cost-effectiveness. This review outlines the concepts of screening and their application to a broad range of liver diseases...
  35. ncbi Screening and surveillance for the early detection of colorectal cancer and adenomatous polyps, 2008: a joint guideline from the American Cancer Society, the US Multi-Society Task Force on Colorectal Cancer, and the American College of Radiology
    Bernard Levin
    The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
    Gastroenterology 134:1570-95. 2008
    ..It is the strong opinion of these 3 organizations that colon cancer prevention should be the primary goal of screening...
  36. ncbi Guidelines for colonoscopy surveillance after cancer resection: a consensus update by the American Cancer Society and the US Multi-Society Task Force on Colorectal Cancer
    Douglas K Rex
    Indiana University School of Medicine, Indianapolis, Indiana, USA
    Gastroenterology 130:1865-71. 2006
    ....
  37. ncbi Dealing with uncertainty: surveillance colonoscopy after polypectomy
    Theodore R Levin
    Am J Gastroenterol 102:1745-7. 2007
    ..It also diverts colonoscopy resources away from the more valuable practice of primary screening...
  38. ncbi Guidelines for colonoscopy surveillance after polypectomy: a consensus update by the US Multi-Society Task Force on Colorectal Cancer and the American Cancer Society
    Sidney J Winawer
    Memorial Sloan Kettering Cancer Center, New York, New York, USA
    Gastroenterology 130:1872-85. 2006
    ..It has been shown that the first screening colonoscopy and polypectomy produces the greatest effects on reducing the incidence of colorectal cancer in patients with adenomatous polyps...
  39. ncbi Guidelines for colonoscopy surveillance after cancer resection: a consensus update by the American Cancer Society and US Multi-Society Task Force on Colorectal Cancer
    Douglas K Rex
    Indiana University School of Medicine, Indianapolis, IN, USA
    CA Cancer J Clin 56:160-7; quiz 185-6. 2006
    ....
  40. ncbi Hereditary nonpolyposis colorectal cancer in young colorectal cancer patients: high-risk clinic versus population-based registry
    Jonathan P Terdiman
    Department of Medicine, University of California, San Francisco 94143, USA
    Gastroenterology 122:940-7. 2002
    ..We sought to compare rates of genetically defined HNPCC among individuals with early onset CRC drawn from a high-risk clinic and a population-based cancer registry...
  41. ncbi Reducing unnecessary surveillance colonoscopies: a mandate for endoscopists
    Theodore R Levin
    Gastrointest Endosc 63:104-6. 2006
  42. ncbi Surveillance and survival in Barrett's adenocarcinomas: a population-based study
    Douglas A Corley
    The School of Public Health, University of California, Berkeley, California 94115, USA
    Gastroenterology 122:633-40. 2002
    ..We evaluated the association between endoscopic surveillance of BE and survival among esophageal/gastric cardia adenocarcinoma patients...
  43. ncbi Aspirin, NSAIDs, and colorectal cancer: possible involvement in an insulin-related pathway
    Martha L Slattery
    Health Research Center and Department of Pathology, School of Medicine, University of Utah, 375 Chipeta Way, Suite A, Salt Lake City, UT 84108, USA
    Cancer Epidemiol Biomarkers Prev 13:538-45. 2004
    ..We explore the associations between aspirin/NSAIDs, the insulin-related pathway, and the risk of colorectal cancer...
  44. ncbi Efficient detection of hereditary nonpolyposis colorectal cancer gene carriers by screening for tumor microsatellite instability before germline genetic testing
    J P Terdiman
    Department of Medicine, University of California, San Francisco, San Francisco, California, USA
    Gastroenterology 120:21-30. 2001
    ..We evaluated whether microsatellite instability (MSI) analysis or MSH2 and MLH1 protein immunostaining of tumors will screen individuals efficiently for germline MSH2 and MLH1 testing...
  45. ncbi Genetic polymorphisms in one-carbon metabolism: associations with CpG island methylator phenotype (CIMP) in colon cancer and the modifying effects of diet
    Karen Curtin
    Department of Internal Medicine, University of Utah Health Sciences Center, 375 Chipeta Way, Suite A, Salt Lake City, UT 84108, USA
    Carcinogenesis 28:1672-9. 2007
    ..1, 95% CI = 1.3-3.4 versus AA/high risk; P-interaction = 0.03). These results provide only limited support for a role of polymorphisms in one-carbon metabolism in the etiology of CIMP colon cancer...
  46. ncbi Interactions between CYP2C9 and UGT1A6 polymorphisms and nonsteroidal anti-inflammatory drugs in colorectal cancer prevention
    Wade S Samowitz
    Department of Pathology, University of Utah Health Sciences Center, Salt Lake City, Utah 84132, USA
    Clin Gastroenterol Hepatol 4:894-901. 2006
    ....
  47. ncbi Diet and lifestyle factor associations with CpG island methylator phenotype and BRAF mutations in colon cancer
    Martha L Slattery
    Department of Internal Medicine, University of Utah Health Sciences Center, Salt Lake City, UT 84108, USA
    Int J Cancer 120:656-63. 2007
    ..Our data suggest multiple pathways to colon cancer. They do not support a unique role for dietary folate, alcohol, vitamins B(6) and B(12) and methionine in a CpG island methylator phenotype...

Research Grants3

  1. Insulin Resistance and Adenomas of the Colorectum
    Theodore Levin; Fiscal Year: 2003
    ..abstract_text> ..