Harvard Catalyst Profiles

Contact, publication, and social network information about Harvard faculty and fellows.

Andrew Tan Chan, M.D.

Co-Author

This page shows the publications co-authored by Andrew Chan and Paul Lochhead.
Connection Strength

7.723
  1. Plasma concentrations of perfluoroalkyl substances and risk of inflammatory bowel diseases in women: A nested case control analysis in the Nurses' Health Study cohorts. Environ Res. 2022 05 01; 207:112222.
    View in: PubMed
    Score: 0.964
  2. Association Between Proton Pump Inhibitor Use and Cognitive Function in Women. Gastroenterology. 2017 10; 153(4):971-979.e4.
    View in: PubMed
    Score: 0.719
  3. Association Between Circulating Levels of C-Reactive Protein and Interleukin-6 and Risk of Inflammatory Bowel Disease. Clin Gastroenterol Hepatol. 2016 06; 14(6):818-824.e6.
    View in: PubMed
    Score: 0.649
  4. Screening and surveillance for Barrett esophagus. JAMA Intern Med. 2015 Feb; 175(2):159-60.
    View in: PubMed
    Score: 0.606
  5. Statins and colorectal cancer. Clin Gastroenterol Hepatol. 2013 Feb; 11(2):109-18; quiz e13-4.
    View in: PubMed
    Score: 0.514
  6. Association of midlife antibiotic use with subsequent cognitive function in women. PLoS One. 2022; 17(3):e0264649.
    View in: PubMed
    Score: 0.248
  7. Statin Use and Risk of Inflammatory Bowel Diseases: Authors' Reply. J Crohns Colitis. 2021 08 02; 15(8):1403-1404.
    View in: PubMed
    Score: 0.238
  8. Association Between Statin Use and Inflammatory Bowel Diseases: Results from a Swedish, Nationwide, Population-based Case-control Study. J Crohns Colitis. 2021 May 04; 15(5):757-765.
    View in: PubMed
    Score: 0.234
  9. Long-term Intake of Gluten and Cognitive Function Among US Women. JAMA Netw Open. 2021 05 03; 4(5):e2113020.
    View in: PubMed
    Score: 0.234
  10. Frequency of Bowel Movements and Risk of Diverticulitis. Clin Gastroenterol Hepatol. 2022 02; 20(2):325-333.e5.
    View in: PubMed
    Score: 0.228
  11. The role of diet in the aetiopathogenesis of inflammatory bowel disease. Nat Rev Gastroenterol Hepatol. 2018 09; 15(9):525-535.
    View in: PubMed
    Score: 0.194
  12. Stability of the human faecal microbiome in a cohort of adult men. Nat Microbiol. 2018 03; 3(3):347-355.
    View in: PubMed
    Score: 0.186
  13. No Significant Association Between Proton Pump Inhibitor Use and Risk of Stroke After Adjustment for Lifestyle Factors and Indication. Gastroenterology. 2018 04; 154(5):1290-1297.e1.
    View in: PubMed
    Score: 0.185
  14. Genetic Polymorphisms in Fatty Acid Metabolism Modify the Association Between Dietary n3: n6 Intake and Risk of Ulcerative Colitis: A Prospective Cohort Study. Inflamm Bowel Dis. 2017 11; 23(11):1898-1904.
    View in: PubMed
    Score: 0.183
  15. Dietary Iron and Heme Iron Consumption, Genetic Susceptibility, and Risk of Crohn's Disease and Ulcerative Colitis. Inflamm Bowel Dis. 2017 07; 23(7):1088-1095.
    View in: PubMed
    Score: 0.179
  16. Long-term use of antibiotics and risk of colorectal adenoma. Gut. 2018 04; 67(4):672-678.
    View in: PubMed
    Score: 0.176
  17. Postdiagnostic intake of one-carbon nutrients and alcohol in relation to colorectal cancer survival. Am J Clin Nutr. 2015 Nov; 102(5):1134-41.
    View in: PubMed
    Score: 0.159
  18. Progress and opportunities in molecular pathological epidemiology of colorectal premalignant lesions. Am J Gastroenterol. 2014 Aug; 109(8):1205-14.
    View in: PubMed
    Score: 0.145
  19. Etiologic field effect: reappraisal of the field effect concept in cancer predisposition and progression. Mod Pathol. 2015 Jan; 28(1):14-29.
    View in: PubMed
    Score: 0.145
  20. Long-term colorectal-cancer incidence and mortality after lower endoscopy. N Engl J Med. 2013 Sep 19; 369(12):1095-105.
    View in: PubMed
    Score: 0.138
  21. Smoking behavior changes after diagnosis of inflammatory bowel disease and risk of all-cause mortality. J Crohns Colitis. 2022 Feb 01.
    View in: PubMed
    Score: 0.062
  22. Risk Factors for Incident Inflammatory Bowel Disease According to Disease Phenotype. Clin Gastroenterol Hepatol. 2022 Jan 12.
    View in: PubMed
    Score: 0.061
  23. Alcohol consumption and risk of inflammatory bowel disease among three prospective US cohorts. Aliment Pharmacol Ther. 2022 01; 55(2):225-233.
    View in: PubMed
    Score: 0.061
  24. Alcohol Consumption is Associated With An Increased Risk of Microscopic Colitis: Results From 2 Prospective US Cohort Studies. Inflamm Bowel Dis. 2021 Sep 02.
    View in: PubMed
    Score: 0.060
  25. Dietary Gluten Intake Is Not Associated With Risk of Inflammatory Bowel Disease in US Adults Without Celiac Disease. Clin Gastroenterol Hepatol. 2022 02; 20(2):303-313.e6.
    View in: PubMed
    Score: 0.058
  26. Immune-mediated diseases and risk of Crohn's disease or ulcerative colitis: a prospective cohort study. Aliment Pharmacol Ther. 2021 03; 53(5):598-607.
    View in: PubMed
    Score: 0.057
  27. Acid-suppressive medications and risk of colorectal cancer: results from three large prospective cohort studies. Br J Cancer. 2020 09; 123(5):844-851.
    View in: PubMed
    Score: 0.055
  28. Dietary Inflammatory Potential and Risk of Crohn's Disease and Ulcerative Colitis. Gastroenterology. 2020 09; 159(3):873-883.e1.
    View in: PubMed
    Score: 0.055
  29. Healthy Lifestyle Is Associated With Reduced Mortality in Patients With Inflammatory Bowel Diseases. Clin Gastroenterol Hepatol. 2021 01; 19(1):87-95.e4.
    View in: PubMed
    Score: 0.054
  30. Adherence to a Mediterranean diet is associated with a lower risk of later-onset Crohn's disease: results from two large prospective cohort studies. Gut. 2020 09; 69(9):1637-1644.
    View in: PubMed
    Score: 0.053
  31. Dietary Gluten Intake and Risk of Microscopic Colitis Among US Women without Celiac Disease: A Prospective Cohort Study. Am J Gastroenterol. 2019 01; 114(1):127-134.
    View in: PubMed
    Score: 0.050
  32. Obesity and Weight Gain Since Early Adulthood Are Associated With a Lower Risk of Microscopic Colitis. Clin Gastroenterol Hepatol. 2019 11; 17(12):2523-2532.e1.
    View in: PubMed
    Score: 0.049
  33. Identification of Menopausal and Reproductive Risk Factors for Microscopic Colitis-Results From the Nurses' Health Study. Gastroenterology. 2018 12; 155(6):1764-1775.e2.
    View in: PubMed
    Score: 0.048
  34. Smoking is Associated with an Increased Risk of Microscopic Colitis: Results From Two Large Prospective Cohort Studies of US Women. J Crohns Colitis. 2018 Apr 27; 12(5):559-567.
    View in: PubMed
    Score: 0.047
  35. Association Between Inflammatory Diet Pattern and Risk of Colorectal Carcinoma Subtypes Classified by Immune Responses to Tumor. Gastroenterology. 2017 12; 153(6):1517-1530.e14.
    View in: PubMed
    Score: 0.045
  36. A Prospective Study of Smoking and Risk of Synchronous Colorectal Cancers. Am J Gastroenterol. 2017 03; 112(3):493-501.
    View in: PubMed
    Score: 0.043
  37. Regular Aspirin Use Associates With Lower Risk of Colorectal Cancers With Low Numbers of Tumor-Infiltrating Lymphocytes. Gastroenterology. 2016 11; 151(5):879-892.e4.
    View in: PubMed
    Score: 0.042
  38. Review Article: The Role of Molecular Pathological Epidemiology in the Study of Neoplastic and Non-neoplastic Diseases in the Era of Precision Medicine. Epidemiology. 2016 07; 27(4):602-11.
    View in: PubMed
    Score: 0.042
  39. Fecal Microbiome in Epidemiologic Studies-Letter. Cancer Epidemiol Biomarkers Prev. 2016 05; 25(5):869.
    View in: PubMed
    Score: 0.041
  40. Statistical methods for studying disease subtype heterogeneity. Stat Med. 2016 Feb 28; 35(5):782-800.
    View in: PubMed
    Score: 0.040
  41. Prediagnosis Plasma Adiponectin in Relation to Colorectal Cancer Risk According to KRAS Mutation Status. J Natl Cancer Inst. 2016 Apr; 108(4).
    View in: PubMed
    Score: 0.040
  42. Tumor LINE-1 methylation level and microsatellite instability in relation to colorectal cancer prognosis. J Natl Cancer Inst. 2014 Sep; 106(9).
    View in: PubMed
    Score: 0.037
  43. SMO expression in colorectal cancer: associations with clinical, pathological, and molecular features. Ann Surg Oncol. 2014 Dec; 21(13):4164-73.
    View in: PubMed
    Score: 0.036
  44. Aspirin use and risk of colorectal cancer according to BRAF mutation status. JAMA. 2013 Jun 26; 309(24):2563-71.
    View in: PubMed
    Score: 0.034
  45. A prospective study of duration of smoking cessation and colorectal cancer risk by epigenetics-related tumor classification. Am J Epidemiol. 2013 Jul 01; 178(1):84-100.
    View in: PubMed
    Score: 0.034
  46. Physical activity, tumor PTGS2 expression, and survival in patients with colorectal cancer. Cancer Epidemiol Biomarkers Prev. 2013 Jun; 22(6):1142-52.
    View in: PubMed
    Score: 0.034
  47. Prospective analysis of body mass index, physical activity, and colorectal cancer risk associated with ß-catenin (CTNNB1) status. Cancer Res. 2013 Mar 01; 73(5):1600-10.
    View in: PubMed
    Score: 0.033
  48. Molecular pathological epidemiology of epigenetics: emerging integrative science to analyze environment, host, and disease. Mod Pathol. 2013 Apr; 26(4):465-84.
    View in: PubMed
    Score: 0.033
  49. Prospective study of family history and colorectal cancer risk by tumor LINE-1 methylation level. J Natl Cancer Inst. 2013 Jan 16; 105(2):130-40.
    View in: PubMed
    Score: 0.033
  50. Aspirin use, tumor PIK3CA mutation, and colorectal-cancer survival. N Engl J Med. 2012 Oct 25; 367(17):1596-606.
    View in: PubMed
    Score: 0.032
  51. Colorectal cancer: a tale of two sides or a continuum? Gut. 2012 Jun; 61(6):794-7.
    View in: PubMed
    Score: 0.031
Connection Strength
The connection strength for co-authors is the sum of the scores for each of their shared publications.

Publication scores are based on many factors, including how long ago they were written and whether the person is a first or senior author.
Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.