Expertise in
8
conditions

Helen J. Mackay

Toronto, ON, CA 
Expertise in
8
conditions
Toronto, ON, CA 

Overview

Helen Mackay practices practicing medicine in Toronto, Canada.

Ms. Mackay is highly rated in 8 conditions, according to our data. Her clinical expertise encompasses Endometrial Cancer, Ovarian Cancer, Cervical Cancer, Gastrectomy, and Hormone Replacement Therapy (HRT).

She is actively involved in clinical research, co-authoring 121 peer reviewed articles and participating in 6 clinical trials.

Gender

Female

Locations

Toronto, ON, Canada
Other Locations
Toronto, Canada

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Experts who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

6 Clinical Trials

A Randomized Phase II Study Comparing Single-Agent Olaparib, Single Agent Cediranib, and the Combinations of Cediranib/Olaparib, Olaparib/Durvalumab (MEDI4736), Cediranib/Durvalumab (MEDI4736), Olaparib/AZD5363 (Capivasertib) in Women With Recurrent, Persistent or Metastatic Endometrial Cancer. A Multi-Arm Trial for Women With Recurrent or Persistent Endometrial Cancer
A Randomized Phase II Study Comparing Single-Agent Olaparib, Single Agent Cediranib, and the Combinations of Cediranib/Olaparib, Olaparib/Durvalumab (MEDI4736), Cediranib/Durvalumab (MEDI4736), Olaparib/AZD5363 (Capivasertib) in Women With Recurrent, Persistent or Metastatic Endometrial Cancer. A Multi-Arm Trial for Women With Recurrent or Persistent Endometrial Cancer
Enrollment Status: Active_not_recruiting
Publish Date: August 28, 2026
Intervention Type: Drug, Procedure, Biological
Study Phase: Phase 2
A Phase III Study Comparing Single-Agent Olaparib or the Combination of Cediranib and Olaparib to Standard Platinum-Based Chemotherapy in Women With Recurrent Platinum-Sensitive Ovarian, Fallopian Tube, or Primary Peritoneal Cancer
A Phase III Study Comparing Single-Agent Olaparib or the Combination of Cediranib and Olaparib to Standard Platinum-Based Chemotherapy in Women With Recurrent Platinum-Sensitive Ovarian, Fallopian Tube, or Primary Peritoneal Cancer
Enrollment Status: Active_not_recruiting
Publish Date: July 31, 2026
Intervention Type: Drug, Procedure, Other
Study Drugs: Carboplatin, Cediranib Maleate, Gemcitabine, Gemcitabine Hydrochloride, Olaparib, Paclitaxel, Pegylated Liposomal Doxorubicin Hydrochloride
Study Phase: Phase 3
A Randomized Phase II/III Study of the Combination of Cediranib and Olaparib Compared to Cediranib or Olaparib Alone, or Standard of Care Chemotherapy in Women With Recurrent Platinum-Resistant or -Refractory Ovarian, Fallopian Tube, or Primary Peritoneal Cancer (COCOS)
A Randomized Phase II/III Study of the Combination of Cediranib and Olaparib Compared to Cediranib or Olaparib Alone, or Standard of Care Chemotherapy in Women With Recurrent Platinum-Resistant or -Refractory Ovarian, Fallopian Tube, or Primary Peritoneal Cancer (COCOS)
Enrollment Status: Active_not_recruiting
Publish Date: July 01, 2026
Intervention Type: Procedure, Drug, Other
Study Drugs: Cediranib, Cediranib Maleate, Olaparib, Paclitaxel, Pegylated Liposomal Doxorubicin Hydrochloride, Topotecan, Topotecan Hydrochloride
Study Phase: Phase 2/Phase 3
A Phase II, Open Label Study of the Poly(ADP-ribose) Polymerase Inhibitor Niraparib in Monotherapy or in Combination With Anti-PD1 Inhibitor TSR-042 in Recurrent Endometrial Cancer
A Phase II, Open Label Study of the Poly(ADP-ribose) Polymerase Inhibitor Niraparib in Monotherapy or in Combination With Anti-PD1 Inhibitor TSR-042 in Recurrent Endometrial Cancer
Enrollment Status: Active_not_recruiting
Publish Date: June 23, 2026
Intervention Type: Drug
Study Drugs: Niraparib, TSR-042
Study Phase: Phase 2
A Large-scale Longitudinal Oncology Registry
A Large-scale Longitudinal Oncology Registry
Enrollment Status: Suspended
Publish Date: February 04, 2025
A Phase 2, Open-label, Multicenter, Study of an Immunotherapeutic Treatment, DPX-Survivac in Combination With Low Dose Cyclophosphamide and Pembrolizumab, in Subjects With Selected Advanced and Recurrent Solid Tumours.
A Phase 2, Open-label, Multicenter, Study of an Immunotherapeutic Treatment, DPX-Survivac in Combination With Low Dose Cyclophosphamide and Pembrolizumab, in Subjects With Selected Advanced and Recurrent Solid Tumours.
Enrollment Status: Active_not_recruiting
Publish Date: March 31, 2022
Intervention Type: Other, Drug
Study Drugs: Cyclophosphamide, Pembrolizumab
Study Phase: Phase 2
View 5 Less Clinical Trials

121 Total Publications

Pragmatic gynecologic cancer clinical trials: statements and roadmap from the Gynecologic Cancer InterGroup Chicago Brainstorming Meeting.
Pragmatic gynecologic cancer clinical trials: statements and roadmap from the Gynecologic Cancer InterGroup Chicago Brainstorming Meeting.
Journal: International journal of gynecological cancer : official journal of the International Gynecological Cancer Society
Published: June 13, 2026

Frequently Asked Questions about Helen J. Mackay

Is Helen J. Mackay a top-rated expert for Endometrial Cancer?

MediFind is an objective health platform that identifies experts based on real-world data. Helen J. Mackay is classified as an Elite expert for Endometrial Cancer, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

Does Helen J. Mackay participate in research or clinical trials?

Yes. Helen J. Mackay has published 121 articles and abstracts on conditions like Endometrial Cancer. You can view a list of Helen J. Mackay's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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