Advanced in Dihydropyrimidine Dehydrogenase Deficiency

Stephen A. Welch

London, ON, CA 
Clinical Trials:Currently Recruiting for 1 Trial
Advanced in Dihydropyrimidine Dehydrogenase Deficiency
London, ON, CA 
OverviewLocationsClinical Research

Overview

Stephen Welch practices in London, Canada. Mr. Welch is rated as an Advanced expert by MediFind in the treatment of Dihydropyrimidine Dehydrogenase Deficiency. His top areas of expertise are Ovarian Cancer, Endometrial Cancer, Dihydropyrimidine Dehydrogenase Deficiency, Febrile Neutropenia, and Appendectomy.

His clinical research consists of co-authoring 83 peer reviewed articles and participating in 15 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 2 articles in the study of Dihydropyrimidine Dehydrogenase Deficiency.

Gender
Male

Locations

London, ON, Canada
Other Locations
Ottawa, ON K1Z1A2, Canada
London, Canada
Mississauga, ON, 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.

15 Clinical Trials

Ontario-wide Cancer TArgeted Nucleic Acid Evaluation
Ontario-wide Cancer TArgeted Nucleic Acid Evaluation
Enrollment Status: Recruiting
Publish Date: December 04, 2024
A Phase III Randomized, Placebo-Controlled Study of Pembrolizumab (MK-3475, NSC #776864) in Addition to Paclitaxel and Carboplatin for Measurable Stage III or IVA, Stage IVB or Recurrent Endometrial Cancer
A Phase III Randomized, Placebo-Controlled Study of Pembrolizumab (MK-3475, NSC #776864) in Addition to Paclitaxel and Carboplatin for Measurable Stage III or IVA, Stage IVB or Recurrent Endometrial Cancer
Enrollment Status: Active_not_recruiting
Publish Date: October 15, 2025
Intervention Type: Other, Drug, Procedure, Biological
Study Drugs: Carboplatin, Paclitaxel, Pembrolizumab
Study Phase: Phase 3
A Phase 2 Study of XL184 (Cabozantinib) in Recurrent or Metastatic Endometrial Cancer
A Phase 2 Study of XL184 (Cabozantinib) in Recurrent or Metastatic Endometrial Cancer
Enrollment Status: Completed
Publish Date: October 01, 2025
Intervention Type: Drug, Other
Study Drug: Cabozantinib S-malate
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: October 01, 2025
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 Placebo-Controlled Phase II Trial Comparing Gemcitabine Monotherapy to Gemcitabine in Combination With AZD 1775 (MK 1775) in Women With Recurrent, Platinum Resistant Epithelial Ovarian, Primary Peritoneal, or Fallopian Tube Cancers
A Randomized Placebo-Controlled Phase II Trial Comparing Gemcitabine Monotherapy to Gemcitabine in Combination With AZD 1775 (MK 1775) in Women With Recurrent, Platinum Resistant Epithelial Ovarian, Primary Peritoneal, or Fallopian Tube Cancers
Enrollment Status: Active_not_recruiting
Publish Date: September 29, 2025
Intervention Type: Other, Drug
Study Drugs: Adavosertib, Gemcitabine hydrochloride
Study Phase: Phase 2
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: September 16, 2025
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 Randomized, Double-blind, Phase 3 Comparison of Platinum-based Therapy With TSR-042 and Niraparib Versus Standard of Care Platinum-based Therapy as First-line Treatment of Stage III or IV Nonmucinous Epithelial Ovarian Cancer
A Randomized, Double-blind, Phase 3 Comparison of Platinum-based Therapy With TSR-042 and Niraparib Versus Standard of Care Platinum-based Therapy as First-line Treatment of Stage III or IV Nonmucinous Epithelial Ovarian Cancer
Enrollment Status: Active_not_recruiting
Publish Date: March 13, 2025
Intervention Type: Drug
Study Drugs: Niraparib, Dostarlimab
Study Phase: Phase 3
A Large-scale Longitudinal Oncology Registry
A Large-scale Longitudinal Oncology Registry
Enrollment Status: Suspended
Publish Date: February 04, 2025
A Randomized, Double-Blind, Phase 3 Trial of Maintenance with Selinexor/ Placebo After Combination Chemotherapy for Patients with Advanced or Recurrent Endometrial Cancer
A Randomized, Double-Blind, Phase 3 Trial of Maintenance with Selinexor/ Placebo After Combination Chemotherapy for Patients with Advanced or Recurrent Endometrial Cancer
Enrollment Status: Active_not_recruiting
Publish Date: January 20, 2025
Intervention Type: Drug
Study Phase: Phase 3
A Phase I, Open-label, Multiple-ascending Dose Trial to Investigate the Safety, Tolerability, PK, Biological and Clinical Activity of MSB0011359C in Subjects With Metastatic or Locally Advanced Solid Tumors and Expansion to Selected Indications
A Phase I, Open-label, Multiple-ascending Dose Trial to Investigate the Safety, Tolerability, PK, Biological and Clinical Activity of MSB0011359C in Subjects With Metastatic or Locally Advanced Solid Tumors and Expansion to Selected Indications
Enrollment Status: Completed
Publish Date: May 03, 2024
Intervention Type: Drug
Study Phase: Phase 1
A Phase II/III Trial of Neoadjuvant FOLFOX With Selective Use of Combined Modality Chemoradiation Versus Preoperative Combined Modality Chemoradiation for Locally Advanced Rectal Cancer Patients Undergoing Low Anterior Resection With Total Mesorectal Excision (PROSPECT)
A Phase II/III Trial of Neoadjuvant FOLFOX With Selective Use of Combined Modality Chemoradiation Versus Preoperative Combined Modality Chemoradiation for Locally Advanced Rectal Cancer Patients Undergoing Low Anterior Resection With Total Mesorectal Excision (PROSPECT)
Enrollment Status: Active_not_recruiting
Publish Date: February 02, 2024
Intervention Type: Procedure, Other, Drug
Study Phase: Phase 2/Phase 3
A Phase III Clinical Trial Evaluating TheraSphere® in Patients With Metastatic Colorectal Carcinoma of the Liver Who Have Failed First Line Chemotherapy
A Phase III Clinical Trial Evaluating TheraSphere® in Patients With Metastatic Colorectal Carcinoma of the Liver Who Have Failed First Line Chemotherapy
Enrollment Status: Completed
Publish Date: March 29, 2022
Intervention Type: Device
Study Phase: Not Applicable
A Phase 1a/1b Study of LY3405105 Administered to Patients With Advanced Solid Tumors
A Phase 1a/1b Study of LY3405105 Administered to Patients With Advanced Solid Tumors
Enrollment Status: Terminated
Publish Date: November 08, 2021
Intervention Type: Drug
Study Phase: Phase 1
FORWARD I: A Randomized, Open Label Phase 3 Study to Evaluate the Safety and Efficacy of Mirvetuximab Soravtansine (IMGN853) Versus Investigator's Choice of Chemotherapy in Women With Folate Receptor Alpha Positive Advanced Epithelial Ovarian Cancer, Primary Peritoneal Cancer or Fallopian Tube Cancer
FORWARD I: A Randomized, Open Label Phase 3 Study to Evaluate the Safety and Efficacy of Mirvetuximab Soravtansine (IMGN853) Versus Investigator's Choice of Chemotherapy in Women With Folate Receptor Alpha Positive Advanced Epithelial Ovarian Cancer, Primary Peritoneal Cancer or Fallopian Tube Cancer
Enrollment Status: Completed
Publish Date: October 14, 2020
Intervention Type: Drug
Study Phase: Phase 3
Phase II Study of Oral ENMD-2076 Administered to Patients With Ovarian Clear Cell Carcinomas
Phase II Study of Oral ENMD-2076 Administered to Patients With Ovarian Clear Cell Carcinomas
Enrollment Status: Completed
Publish Date: December 13, 2019
Intervention Type: Drug
Study Phase: Phase 2
View 14 Less Clinical Trials

83 Total Publications

Endometrial carcinoma molecular classification and barriers to implementation, possible solutions and the implications for ongoing clinical trials.
Endometrial carcinoma molecular classification and barriers to implementation, possible solutions and the implications for ongoing clinical trials.
Journal: Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC
Published: June 07, 2025

Areas of Expertise

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