College of Medicine

Research Area(s)

  • Clinical Trial
  • Population Health
  • Breast Cancer
  • Gastrointestinal Cancers


Shahid graduated from Dow Medical University of Health Sciences, Karachi in 1996. He completed his training in Internal Medicine and Medical Oncology at the Long Island Jewish Medical Center, Albert Einstein College of Medicine, New York in 2003. He completed his doctor of philosophy in Community and Population Health Science from the University of Saskatchewan in 2016. He is a fellow of the American College of Physicians and the Royal College of Physicians and Surgeons of Canada. Shahid joined the Saskatoon Cancer Center in 2003 as medical oncologist. His area of interest are breast and gastrointestinal oncology. In addition to patients care he is committed to medical education and research. He is an active member of various local and national committees that are involved in patient care, medical education, and research. He has served as a continuing professional development educator for the Royal College of Physicians and Surgeons of Canada. He holds several research grants and is actively engaged in collaborative research and clinical trials. Shahid has presented his works at several international meetings, published more than 70 articles in peer-reviewed journals, and authors of several book chapters.

Selected Publications

Wrobel P, Ahmed S. Current status of immunotherapy in metastatic colorectal cancer. Int J Colorectal Dis. 2019 Jan;34(1):13-25

Ahmed S, Pahwa P, Le D, Chalchal H, Kanthan SC, Iqbal N, Fields A. Primary tumor location and survival in general population with metastatic colorectal cancer. Clinical Colorectal Cancer. 2018 Jun;17(2):e201-e206.            

Ahmed S,  Iqbal M, Le D, Alvi R, Iqbal N. Travel distance and use of salvage palliative chemotherapy in patients with metastatic colorectal cancer. J Gastrointest Oncolo. 2018 Apr;9(2):269-274.

Ahmed S, Leis A, Kanthan S, Fields A, Zaidi A, Abbas T, Le D, Reeder B, Pahwa P. Regional lymph nodes status and ratio of metastatic to examined lymph nodes correlate with survival in stage IV colorectal cancer. Annals of Surgical Oncology. 2016;23(7):2287-94.

Ahmed S, Leis A, Kanthan S,   Fields A, Reeder B, Iqbal N, Haider K, Le D, Pahwa P. Surgical management of the primary tumor in stage IV colorectal cancer: a confirmatory retrospective cohort study. J Cancer. 2016; 7(7): 837–845.

Ahmed S, Quinlan E, McMullen L, Thomas R, Fichtner P, Block J. Ethnodrama: An Innovative Knowledge Translation Tool in the Management of Lymphedema. J Cancer. 2015 Jul 16;6(9):859-65.

Ahmed S, Fields A, Pahwa P, Chandra-Kanthan S, Zaidi A, Le D, Haider K, Reeder B, Leis A. Surgical Resection of Primary Tumor in Asymptomatic or Minimally Symptomatic Patients With Stage IV Colorectal Cancer: A Canadian Province Experience. Clin Colorectal Cancer. 2015 Dec;14(4):e41-7.

Ahmed S, Pahwa P, Fields A, Chandra-Kanthan S, Iqbal N, Zaidi A, Reeder B, Plaza FA, Zhu T, Leis A. Predictive Factors of the Use of Systemic Therapy in Stage IV Colorectal Cancer: Who Gets Chemotherapy? Oncology. 2015;88(5):289-97.

Ahmed S, Shahid RK, Episkenew JA. Disparity in cancer prevention and screening in aboriginal populations: recommendations for action. Curr Oncol. 2015; 22(6): 417–426.

Ahmed S, Bathe O, Berry S, Buie D, Davies J, Doll C, Dowden S, Gill S, Gordon V, Hebbard P, Jones E, Kennecke H, Koski S, Krahn M, Le D, Lim H, Lund C, Luo Y, Mcffadden A, Mcghie J, Mulder K, Park J, Rashidi F, Sami A, Tan KT, Wong R. Consensus statement: the 16th Annual Western Canadian Gastrointestinal Cancer Consensus Conference; Saskatoon, Saskatchewan; September 5-6, 2014. Curr Oncol. 2015 Apr;22(2):e113-23.

Ahmed S, Sami A, Xiang J.HER2-directed therapy: current treatment options for HER2-positive breast cancer. Breast Cancer. 2015 Mar;22(2):101-16.

Ahmed S, Shahid RK, Gesy K. Cancer care burden: aiming at the Achilles heel. Curr Oncol. 2015 Jun;22(3):e134-8.

Quinlan, E. Thomas, R., Ahmed. S, Fichtner, P., McMullen, L., & Block, J.  The aesthetic rationality of the popular expressive arts:  Lifeworld communication among breast cancer survivors with lymphedema. Social Theory and Health, 2014;12:291-312.

Ahmed S, Johnson K, Ahmed O, Iqbal N. Advances in the management of colorectal cancer: from biology to treatment. Int J Colorectal Dis. 2014 Sep;29(9):1031-42. doi: 10.1007/s00384-014-1928-5. Epub 2014 Jun 24.

Perron T, Emara M, Ahmed S. Time to antibiotics and outcomes in cancer patients with febrile neutropenia. BMC Health Serv Res. 2014 Apr 10;14:162.

Ahmed S, Iqbal N, Yadav S, Zaidi A, Ahmad O, Gardiner D, Haider K. Time to adjuvant therapy and other variables in localized gastric and gastroesophageal junction cancer. Journal of Gastrointestinal Cancer. 2014 Sep;45(3):284-90. .

Ahmed S, Leis A, Fields A, Chandra-Kanthan S, Haider K, Alvi R, Reeder B, Pahwa P. Survival impact of surgical resection of primary tumor in patients with stage IV colorectal cancer: Results from a large population-based cohort study. Cancer. 2014 Mar 1;120(5):683-91.

Schneeweiss S, Ahmed S, Burhan A, Campbell C.  Competency-Based CPD: Implications for Physicians, CPD providers and the Health System. The Royal College of Physicians and Surgeons of Canada White Paper. file:///C:/Users/shahid.ahmed/Downloads/cb-cpd-white-paper-implications-e%20(2).pdf