Expertise in
8
conditions

Dr. Leslie R. Demars

Oncology
Elliot 1 Day Surgery Center
185 Queen City Ave, 
Manchester, NH 
Expertise in
8
conditions
Elliot 1 Day Surgery Center
185 Queen City Ave, 
Manchester, NH 

Overview

Leslie Demars is an Oncologist practicing medicine in Manchester, New Hampshire.

Dr. Demars is highly rated in 8 conditions, according to our data. Her clinical expertise encompasses Ovarian Cancer, Testicular Yolk Sac Tumor, Ovarian Carcinosarcoma, and Virilizing Ovarian Tumor.

She is actively involved in clinical research, co-authoring 15 peer reviewed articles and participating in 13 clinical trials.

Specialties

Oncology

Licenses

Obstetrics & Gynecology in NH

Languages Spoken

English

Gender

Female

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO

Locations

Elliot 1 Day Surgery Center
185 Queen City Ave, Manchester, NH 03101

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers 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.

13 Clinical Trials

A Randomized, Phase II/III Study of Pegylated Liposomal Doxorubicin and CTEP-Supplied Atezolizumab Versus Pegylated Liposomal Doxorubicin, CTEP-Supplied Bevacizumab and CTEP-Supplied Atezolizumab Versus Pegylated Liposomal Doxorubicin and CTEP-Supplied Bevacizumab in Platinum Resistant Ovarian Cancer
A Randomized, Phase II/III Study of Pegylated Liposomal Doxorubicin and CTEP-Supplied Atezolizumab Versus Pegylated Liposomal Doxorubicin, CTEP-Supplied Bevacizumab and CTEP-Supplied Atezolizumab Versus Pegylated Liposomal Doxorubicin and CTEP-Supplied Bevacizumab in Platinum Resistant Ovarian Cancer
Enrollment Status: Active_not_recruiting
Publish Date: August 28, 2026
Intervention Type: Other, Procedure, Drug, Biological
Study Drugs: Atezolizumab, Bevacizumab, Pegylated liposomal doxorubicin hydrochloride
Study Phase: Phase 2/Phase 3
A Randomized Phase II/III Study to Assess the Efficacy of Trametinib (GSK 1120212) in Patients With Recurrent or Progressive Low-Grade Serous Ovarian Cancer or Peritoneal Cancer
A Randomized Phase II/III Study to Assess the Efficacy of Trametinib (GSK 1120212) in Patients With Recurrent or Progressive Low-Grade Serous Ovarian Cancer or Peritoneal Cancer
Enrollment Status: Completed
Publish Date: August 04, 2026
Intervention Type: Other, Drug
Study Drugs: Letrozole, Paclitaxel, Pegylated liposomal doxorubicin hydrochloride, Tamoxifen citrate, Topotecan, Trametinib dimethyl sulfoxide
Study Phase: Phase 2/Phase 3
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 Randomized, Double-Blind, Placebo-Controlled Phase 2 Trial of Vigil Engineered Autologous Tumor Cell Immunotherapy in Subjects With Stage IIIb-IV Ovarian Cancer in Clinical Complete Response Following Surgery and Primary Chemotherapy
A Randomized, Double-Blind, Placebo-Controlled Phase 2 Trial of Vigil Engineered Autologous Tumor Cell Immunotherapy in Subjects With Stage IIIb-IV Ovarian Cancer in Clinical Complete Response Following Surgery and Primary Chemotherapy
Enrollment Status: Active_not_recruiting
Publish Date: October 29, 2025
Intervention Type: Other, Biological
Study Drug: Vigil
Study Phase: Phase 2
Randomized Phase III Clinical Trial of Adjuvant Radiation Versus Chemoradiation in Intermediate Risk, Stage I/IIA Cervical Cancer Treated With Initial Radical Hysterectomy and Pelvic Lymphadenectomy (NCT #01101451)
Randomized Phase III Clinical Trial of Adjuvant Radiation Versus Chemoradiation in Intermediate Risk, Stage I/IIA Cervical Cancer Treated With Initial Radical Hysterectomy and Pelvic Lymphadenectomy (NCT #01101451)
Enrollment Status: Completed
Publish Date: May 23, 2025
Intervention Type: Other, Radiation, Drug
Study Drug: Cisplatin
Study Phase: Phase 3
Comparative Analysis of CA-IX, p16, Proliferative Markers, and Human Papilloma Virus (HPV) in the Diagnosis of Significant Cervical Lesions in Patients With a Cytologic Diagnosis of Atypical Glandular Cells (AGC)
Comparative Analysis of CA-IX, p16, Proliferative Markers, and Human Papilloma Virus (HPV) in the Diagnosis of Significant Cervical Lesions in Patients With a Cytologic Diagnosis of Atypical Glandular Cells (AGC)
Enrollment Status: Unknown
Publish Date: May 03, 2024
Intervention Type: Other
Study Phase: Not Applicable
A Randomized, Intra-patient Crossover, Safety, Biomarker and Anti-Tumor Activity Assessment of the Combination of Atezolizumab and Vigil in Patients With Advanced Gynecological Cancers (A Companion Study to CL-PTL-119)
A Randomized, Intra-patient Crossover, Safety, Biomarker and Anti-Tumor Activity Assessment of the Combination of Atezolizumab and Vigil in Patients With Advanced Gynecological Cancers (A Companion Study to CL-PTL-119)
Enrollment Status: Completed
Publish Date: April 05, 2023
Intervention Type: Drug, Biological
Study Drugs: Vigil Tumor Cells, Atezolizumab
Study Phase: Phase 2
A Randomized Trial of Pelvic Irradiation With or Without Concurrent Weekly Cisplatin in Patients With Pelvic-Only Recurrence of Carcinoma of the Uterine Corpus
A Randomized Trial of Pelvic Irradiation With or Without Concurrent Weekly Cisplatin in Patients With Pelvic-Only Recurrence of Carcinoma of the Uterine Corpus
Enrollment Status: Unknown
Publish Date: March 29, 2023
Intervention Type: Drug, Radiation
Study Drug: Cisplatin
Study Phase: Phase 2
A Phase 2 Study of Prexasertib in Platinum-Resistant or Refractory Recurrent Ovarian Cancer
A Phase 2 Study of Prexasertib in Platinum-Resistant or Refractory Recurrent Ovarian Cancer
Enrollment Status: Completed
Publish Date: August 19, 2022
Intervention Type: Drug
Study Drug: Prexasertib
Study Phase: Phase 2
View 9 Less Clinical Trials

15 Total Publications

The journey of targeted drug conjugates in solid tumors: moving beyond antibody drug conjugates.
The journey of targeted drug conjugates in solid tumors: moving beyond antibody drug conjugates.
Journal: Expert opinion on investigational drugs
Published: June 04, 2026
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Frequently Asked Questions about Dr. Leslie R. Demars

How do I make an appointment with Dr. Leslie R. Demars?

You can book an appointment with Dr. Leslie R. Demars by calling their office at 603-627-1102. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Leslie R. Demars a top-rated expert for Ovarian Cancer?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Leslie R. Demars is classified as an Distinguished expert for Ovarian 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.

What conditions does Dr. Leslie R. Demars specialize in?

While Dr. Leslie R. Demars is a Oncology, they have specific expertise in Ovarian Cancer, Testicular Yolk Sac Tumor, and Ovarian Carcinosarcoma. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Oncology.

Does Dr. Leslie R. Demars participate in research or clinical trials?

Yes. Dr. Leslie R. Demars has published 15 articles and abstracts on conditions like Ovarian Cancer. You can view a list of Dr. Leslie R. Demars's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Leslie R. Demars accept my insurance?

Dr. Leslie R. Demars accepts most major insurance plans, including Anthem BCBS and Humana. We recommend calling the office directly at 603-627-1102 to verify that your specific plan is currently accepted before your visit.

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.

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