Taymaa May MD, MSc, FRCSC
Associate Professor
Gynaecologic Oncology
UHN-Princess Margaret Cancer Centre
Clinical Interests
ovarian cancer, pelvic, abdominal, laparoscopic and robotic surgery

Dr. Taymaa May received her medical degree from McGill University in Montreal and went on to complete post-graduate training in Obstetrics and Gynecology at the University of Toronto. During her residency, Dr. May completed the Clinician Investigator Program and received a Master’s of Science degree from the Institute of Medical Sciences at the University of Toronto. Following residency, Dr. Taymaa May completed a 3-year fellowship in Gynecologic Oncology at Brigham and Women’s Hospital/ Dana Farber Cancer Institute, Harvard Medical School in Boston, MA.

Dr. Taymaa May is a surgical scientist at the University Health Network and an Assistant Professor at the University of Toronto. Dr. May has clinical training in the medical management of women with gynecological malignancies and surgical training in complex oncologic surgeries including pelvic, abdominal, laparoscopic and robotic surgery. Her research interests are in translational science and clinical trials in the field of ovarian cancer.



05/2014-05/2015 ~ Mount Sinai Hospital/University Health Network Department of Obstetrics and Gynecology Research Fund Grant. Toronto, ON. Grant award: 10,000$. “Examining selection for resistant clones in high-grade serous ovarian cancer after neoadjuvant chemotherapy”. Principle investigator.

2014 Sep - 2016 Sep ~ The Princess Margaret Cancer Centre Target Ovarian Cancer Program. Princess Margaret Cancer Foundation. PI: Bernardini, M. Collaborator(s): Ferguson SE, Rosen B, Murphy J, Laframboise S, May T, Dodge J, Kamel-Reid S, Stockley T, Oza A, Rodin G, Virtanen C, McCuaig J, Tone A. 2,000,000 CAD.

11/2013-11/2014 ~ The Phil and Terry Browman Grant Fund. Princess Margaret Cancer Center. Toronto, ON. Grant award: 35,000$. “Chemoresistant clones in ovarian carcinoma following neoadjuvant chemotherapy- a feasibility study”. Principal investigator.

07/2012-09/2014 ~ National Comprehensive Cancer Network (NCCN) Research Grant. Boston, MA, USA. Grant award: 337.500$ USA. “The use of Tivozanib (AV-951) as maintenance therapy post neoadjuvant chemotherapy in ovarian, fallopian tube or primary peritoneal carcinoma- Phase II clinical trial”. Primary investigator: Taymaa May. Principle investigator: Suzanna Campos.


Publications and Awards

Recent Publications

Michelle Davis, Alejandro Rauh-Hain, Carolina Andrade, David M Boruta III, John O Schorge, Neil S Horowitz, Taymaa May, Marcela Del Carmen. “Comparison of clinical outcomes of patients with clear cell and endometrioid ovarian cancer associated with endometriosis to papillary serous carcinoma of the ovary”. Gynecologic Oncology. In Press.

Elisabeth Diver, Taymaa May, Roberto Vargas, Marilyn Bernstein, Donald Goldstein, Ross Berkowitz. “Changes in Clinical Presentation of Postterm Choriocarcinoma at the New England Trophoblastic Disease Center in Recent Years”. Gynecologic Oncology. 2013 Sep;130(3):483-6.

Taymaa May, Junzheng Yang, Melina Shoni, Shubai Liu, Housheng He, Reddy Gali, Shu-Kay Ng, Christopher Crum, Ross S. Berkowitz and Shu-Wing Ng. “BRCA1 Expression is Epigenetically Repressed in Sporadic Ovarian Cancer Cells by Overexpression of C-Terminal Binding Protein-2”. Neoplasia. 2013 Jun;15(6):600-8.

Taymaa May, Melina Shoni, Christopher P Crum, Wa Xian, Vinod Vathipadiekal, Michael Birrer, Barry Rosen, Alicia Tone, K. Joan Murphy. “Low-Grade and High-Grade Serous Mullerian Carcinoma: Review and Analysis of Publicly Available Gene Expression Profiles”. Gynecol Oncol. 2013 Mar;128(3):488-92.

Taymaa May, Melina Shoni, Allison F Vitonis, Charles M Quick, Whitfield B Growdon, Michael G Muto. “The Role of para-aortic lymphadenectomy in the surgical staging of women with intermediate and high-risk endometrial adenocarcinoma. International Journal of Surgical Oncology. International Journal of Surgical Oncology. 2013, Article ID 858916,  doi:10.1155/2013/858916.

Melina Shoni, Carlos E. Parra-Herran, Taymaa May, Alexi A. Wright, Colleen M. Feltmate. “Multiple synchronous primary gynecologic malignancies in an MSH2 mutation carrier with endometriosis”. J Clin Oncol. 2013 Jan 20;31(3):e33-6.

Charles M Quick, Taymaa May, Neil S Horowitz, Marisa R Nucci. “Low-grade, Low-stage Endometrioid Endometrial Adenocarcinoma: A Clinicopathologic Analysis of 324 Cases Focusing on Frequency and Pattern of Myoinvasion”. Int J Gynecol Pathol. 2012 Jul; 31(4):337-43.

Melina Shoni, Taymaa May, Allison F. Vitonis, Anjelica Garza, Michael G. Muto, Colleen M. Feltmate. “Laparoscopic Risk Reducing Salpingo-Oophorectomy: The Brigham and Women’s Experience”. ISRN Minimally Invasive Surgery, 2012, Article ID 763290, doi:10.5402/2012/763290.

Taymaa May, Ross S Berkowitz, Donald P Goldstein. “Cerebral Venous Sinus Thrombosis Presenting as Cerebral Metastasis in a Patient with Choriocarcinoma Following a Non-molar Gestation”. Gynecol Oncol. 2011 Jul;122(1):199-200.

Taymaa May, Donald P Goldstein, Ross S Berkowitz. “Current Chemotherapeutic Management of Patients with Gestational Trophoblastic Neoplasia”. Chemotherapy Research and Practice. 2011; 2011:806256. Epub 2011 May 11.

Taymaa May, Carl Virtanen, Monika Sharma, Heather Begley, Barry Rosen, K Joan Murphy, Theodore J Brown, Patricia A Shaw. “Low Malignant Potential Tumors with Micropapillary Features are Molecularly Similar to Low Grade Serous Carcinoma of the Ovary”. Gynecologic Oncology. 2010;117(1): 9-17.

Marcus Q Bernardini, Taymaa May, Mahmoud Khalifa, Sharon Nofech-Mozes, Andrew Berchuck, Al Covens, Laura Havrilesky. “Evaluation of Two Management Strategies for Preoperative Grade 1 Endometrial Cancer”. Obstet Gynecol. 2009 July; 114(1):7-15.

Stephane Lefrancois, Taymaa May, Casey Knight, Danielle Bourbeau, Carlos R Morales. “The Lysosomal Transport of Prosaposin Requires the Conditional Interactions of its Highly Conserved d-Domain with Sphingomyelin”. Journal of Biological Chemistry 2002;277(19): 17188-99.