Experienced in Orchiectomy

Dr. Samantha A. Seaward

Radiation Oncology
Permanente Medical Group Inc
901 Nevin Ave, 
Richmond, CA 
Clinical Trials:Currently Recruiting for 2 Trials
Experienced in Orchiectomy
Permanente Medical Group Inc
901 Nevin Ave, 
Richmond, CA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Samantha Seaward is a Radiation Oncologist in Richmond, California. Dr. Seaward is rated as an Experienced provider by MediFind in Orchiectomy. Her top areas of expertise are Prostate Cancer, Breast Cancer, Head and Neck Squamous Cell Carcinoma (HNSCC), and Orchiectomy.

Her clinical research consists of co-authoring 22 peer reviewed articles and participating in 33 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, she has participated in 2 clinical trials in the study of Orchiectomy.

Specialties
Radiation Oncology
Licenses
Radiology in CA
Languages Spoken
English
Gender
Female

Insurance

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

Find your insurance
Find your insuranceClose

Locations

PERMANENTE MEDICAL GROUP INC
901 Nevin Ave, Richmond, CA 94801

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.

33 Clinical Trials

A Phase III Trial of Stereotactic Radiosurgery Compared With Hippocampal-Avoidant Whole Brain Radiotherapy (HA-WBRT) Plus Memantine for 5 or More Brain Metastases
A Phase III Trial of Stereotactic Radiosurgery Compared With Hippocampal-Avoidant Whole Brain Radiotherapy (HA-WBRT) Plus Memantine for 5 or More Brain Metastases
Enrollment Status: Recruiting
Publish Date: November 13, 2025
Intervention Type: Radiation, Procedure, Drug
Study Drug: Memantine
Study Phase: Phase 3
Phase III Randomized Trial of Standard Systemic Therapy (SST) Versus Standard Systemic Therapy Plus Definitive Treatment (Surgery or Radiation) of the Primary Tumor in Metastatic Prostate Cancer
Phase III Randomized Trial of Standard Systemic Therapy (SST) Versus Standard Systemic Therapy Plus Definitive Treatment (Surgery or Radiation) of the Primary Tumor in Metastatic Prostate Cancer
Enrollment Status: Recruiting
Publish Date: September 11, 2025
Intervention Type: Procedure, Drug, Other, Radiation
Study Drugs: Abiraterone, Bicalutamide, Degarelix, Docetaxel, Flutamide, Goserelin acetate, Histrelin acetate, Leuprolide acetate, Nilutamide, Prednisone, Triptorelin
Study Phase: Phase 3
Pazopanib Neoadjuvant Trial in Non-Rhabdomyosarcoma Soft Tissue Sarcomas (PAZNTIS): A Phase II/III Randomized Trial of Preoperative Chemoradiation or Preoperative Radiation Plus or Minus Pazopanib (NSC# 737754)
Pazopanib Neoadjuvant Trial in Non-Rhabdomyosarcoma Soft Tissue Sarcomas (PAZNTIS): A Phase II/III Randomized Trial of Preoperative Chemoradiation or Preoperative Radiation Plus or Minus Pazopanib (NSC# 737754)
Enrollment Status: Active_not_recruiting
Publish Date: December 01, 2025
Intervention Type: Drug, Radiation, Procedure
Study Drugs: Doxorubicin, Ifosfamide, Pazopanib
Study Phase: Phase 2/Phase 3
Maintenance Systemic Therapy Versus Local Consolidative Therapy (LCT) Plus Maintenance Systemic Therapy for Limited Metastatic Non-Small Cell Lung Cancer (NSCLC): A Randomized Phase II/III Trial
Maintenance Systemic Therapy Versus Local Consolidative Therapy (LCT) Plus Maintenance Systemic Therapy for Limited Metastatic Non-Small Cell Lung Cancer (NSCLC): A Randomized Phase II/III Trial
Enrollment Status: Active_not_recruiting
Publish Date: November 25, 2025
Intervention Type: Radiation, Drug
Study Drugs: Docetaxel, Gemcitabine, Pemetrexed Disodium, Erlotinib Hydrochloride, Pembrolizumab
Study Phase: Phase 2
Longitudinal Assessment of Financial Burden in Patients With Colon or Rectal Cancer Treated With Curative Intent
Longitudinal Assessment of Financial Burden in Patients With Colon or Rectal Cancer Treated With Curative Intent
Enrollment Status: Active_not_recruiting
Publish Date: November 24, 2025
Intervention Type: Other
Randomized Phase II and Phase III Studies of Individualized Treatment for Nasopharyngeal Carcinoma Based on Biomarker Epstein Barr Virus (EBV) Deoxyribonucleic Acid (DNA)
Randomized Phase II and Phase III Studies of Individualized Treatment for Nasopharyngeal Carcinoma Based on Biomarker Epstein Barr Virus (EBV) Deoxyribonucleic Acid (DNA)
Enrollment Status: Active_not_recruiting
Publish Date: November 19, 2025
Intervention Type: Other, Drug, Radiation
Study Drugs: Cisplatin, Fluorouracil, Gemcitabine Hydrochloride, Paclitaxel
Study Phase: Phase 2/Phase 3
Cabazitaxel With Abiraterone Versus Abiraterone Alone Randomized Trial for Extensive Disease Following Docetaxel: The CHAARTED2 Trial
Cabazitaxel With Abiraterone Versus Abiraterone Alone Randomized Trial for Extensive Disease Following Docetaxel: The CHAARTED2 Trial
Enrollment Status: Active_not_recruiting
Publish Date: November 13, 2025
Intervention Type: Drug, Procedure, Other
Study Drugs: Abiraterone acetate, Antiandrogen therapy, Cabazitaxel, Prednisone
Study Phase: Phase 2
Randomized Phase II Trial of Hypofractionated Dose-Escalated Photon IMRT or Proton Beam Therapy Versus Conventional Photon Irradiation With Concomitant and Adjuvant Temozolomide in Patients With Newly Diagnosed Glioblastoma
Randomized Phase II Trial of Hypofractionated Dose-Escalated Photon IMRT or Proton Beam Therapy Versus Conventional Photon Irradiation With Concomitant and Adjuvant Temozolomide in Patients With Newly Diagnosed Glioblastoma
Enrollment Status: Active_not_recruiting
Publish Date: November 10, 2025
Intervention Type: Other, Radiation, Drug
Study Drug: Temozolomide
Study Phase: Phase 2
Increasing the Dose of Survivorship Care Planning in Prostate Cancer Survivors Who Receive Androgen Deprivation Therapy
Increasing the Dose of Survivorship Care Planning in Prostate Cancer Survivors Who Receive Androgen Deprivation Therapy
Enrollment Status: Completed
Publish Date: November 03, 2025
Intervention Type: Other
Study Phase: Not Applicable
Androgen Deprivation Therapy and High Dose Radiotherapy With or Without Whole-Pelvic Radiotherapy in Unfavorable Intermediate or Favorable High Risk Prostate Cancer: A Phase III Randomized Trial
Androgen Deprivation Therapy and High Dose Radiotherapy With or Without Whole-Pelvic Radiotherapy in Unfavorable Intermediate or Favorable High Risk Prostate Cancer: A Phase III Randomized Trial
Enrollment Status: Active_not_recruiting
Publish Date: October 28, 2025
Intervention Type: Radiation
Study Phase: Phase 3
A Phase IIR/III Trial of Standard of Care Therapy With or Without Stereotactic Body Radiotherapy (SBRT) and/or Surgical Ablation for Newly Oligometastatic Breast Cancer
A Phase IIR/III Trial of Standard of Care Therapy With or Without Stereotactic Body Radiotherapy (SBRT) and/or Surgical Ablation for Newly Oligometastatic Breast Cancer
Enrollment Status: Completed
Publish Date: October 15, 2025
Intervention Type: Radiation, Procedure
Study Phase: Phase 2/Phase 3
A Randomized Phase II Trial for Patients With p16 Positive, Non-Smoking Associated, Locoregionally Advanced Oropharyngeal Cancer
A Randomized Phase II Trial for Patients With p16 Positive, Non-Smoking Associated, Locoregionally Advanced Oropharyngeal Cancer
Enrollment Status: Completed
Publish Date: October 09, 2025
Intervention Type: Drug, Radiation
Study Drug: Cisplatin
Study Phase: Phase 2
A Phase II-R and a Phase III Trial Evaluating Both Erlotinib (Ph II-R) and Chemoradiation (Ph III) as Adjuvant Treatment for Patients With Resected Head of Pancreas Adenocarcinoma
A Phase II-R and a Phase III Trial Evaluating Both Erlotinib (Ph II-R) and Chemoradiation (Ph III) as Adjuvant Treatment for Patients With Resected Head of Pancreas Adenocarcinoma
Enrollment Status: Completed
Publish Date: October 08, 2025
Intervention Type: Other, Procedure, Drug, Radiation
Study Drugs: Capecitabine, Chemotherapy, Erlotinib hydrochloride, Fluorouracil, Gemcitabine hydrochloride
Study Phase: Phase 3
RT CHARM: Phase III Randomized Trial of Hypofractionated Post Mastectomy Radiation With Breast Reconstruction
RT CHARM: Phase III Randomized Trial of Hypofractionated Post Mastectomy Radiation With Breast Reconstruction
Enrollment Status: Active_not_recruiting
Publish Date: October 08, 2025
Intervention Type: Other, Radiation
Study Phase: Phase 3
Randomized Phase II/III Trial of Radiotherapy With Concurrent MEDI4736 (Durvalumab) vs. Radiotherapy With Concurrent Cetuximab in Patients With Locoregionally Advanced Head and Neck Cancer With a Contraindication to Cisplatin
Randomized Phase II/III Trial of Radiotherapy With Concurrent MEDI4736 (Durvalumab) vs. Radiotherapy With Concurrent Cetuximab in Patients With Locoregionally Advanced Head and Neck Cancer With a Contraindication to Cisplatin
Enrollment Status: Completed
Publish Date: September 23, 2025
Intervention Type: Other, Biological, Radiation
Study Drugs: Cetuximab, Durvalumab
Study Phase: Phase 2/Phase 3
Cluster Randomized Controlled Trial of Patient and Provider Decision Support to Increase Chemoprevention Informed Choice Among Women With Atypical Hyperplasia or Lobular Carcinoma In Situ - Making Informed Choices on Incorporating Chemoprevention Into Care (MiChoice)
Cluster Randomized Controlled Trial of Patient and Provider Decision Support to Increase Chemoprevention Informed Choice Among Women With Atypical Hyperplasia or Lobular Carcinoma In Situ - Making Informed Choices on Incorporating Chemoprevention Into Care (MiChoice)
Enrollment Status: Active_not_recruiting
Publish Date: September 17, 2025
Intervention Type: Other, Behavioral
Study Phase: Not Applicable
Phase III IGRT and SBRT vs IGRT and Hypofractionated IMRT for Localized Intermediate Risk Prostate Cancer
Phase III IGRT and SBRT vs IGRT and Hypofractionated IMRT for Localized Intermediate Risk Prostate Cancer
Enrollment Status: Active_not_recruiting
Publish Date: September 05, 2025
Intervention Type: Other, Radiation
Study Phase: Phase 3
Effect of Preoperative Breast MRI on Surgical Outcomes, Costs and Quality of Life of Women With Breast Cancer
Effect of Preoperative Breast MRI on Surgical Outcomes, Costs and Quality of Life of Women With Breast Cancer
Enrollment Status: Completed
Publish Date: September 05, 2025
Intervention Type: Procedure
Study Phase: Phase 3
A Randomized Phase III Trial of Memantine and Whole-Brain Radiotherapy With or Without Hippocampal Avoidance in Patients With Brain Metastases
A Randomized Phase III Trial of Memantine and Whole-Brain Radiotherapy With or Without Hippocampal Avoidance in Patients With Brain Metastases
Enrollment Status: Completed
Publish Date: April 23, 2025
Intervention Type: Radiation, Drug
Study Phase: Phase 3
Improving Patient-Centered Communication in Breast Cancer: A RCT of a Shared Decision Engagement System (SHARES)
Improving Patient-Centered Communication in Breast Cancer: A RCT of a Shared Decision Engagement System (SHARES)
Enrollment Status: Active_not_recruiting
Publish Date: April 02, 2025
Intervention Type: Other, Procedure
Study Phase: Not Applicable
A Double Blind Placebo-Controlled Trial of Eflornithine and Sulindac to Prevent Recurrence of High Risk Adenomas and Second Primary Colorectal Cancers in Patients With Stage 0-III Colon or Rectal Cancer, Phase III - Preventing Adenomas of the Colon With Eflornithine and Sulindac (PACES)
A Double Blind Placebo-Controlled Trial of Eflornithine and Sulindac to Prevent Recurrence of High Risk Adenomas and Second Primary Colorectal Cancers in Patients With Stage 0-III Colon or Rectal Cancer, Phase III - Preventing Adenomas of the Colon With Eflornithine and Sulindac (PACES)
Enrollment Status: Active_not_recruiting
Publish Date: March 30, 2025
Intervention Type: Drug
Study Phase: Phase 3
Phase II Randomized Trial of Transoral Surgical Resection Followed by Low-Dose or Standard-Dose IMRT in Resectable p16+ Locally Advanced Oropharynx Cancer
Phase II Randomized Trial of Transoral Surgical Resection Followed by Low-Dose or Standard-Dose IMRT in Resectable p16+ Locally Advanced Oropharynx Cancer
Enrollment Status: Active_not_recruiting
Publish Date: February 28, 2025
Intervention Type: Drug, Radiation, Procedure
Study Drugs: Cisplatin, Carboplatin
Study Phase: Phase 2
Testing Decision Aids to Improve Prostate Cancer Decisions for Minority Men
Testing Decision Aids to Improve Prostate Cancer Decisions for Minority Men
Enrollment Status: Completed
Publish Date: January 27, 2025
Intervention Type: Other
Study Phase: Phase 3
A Randomized Phase III Trial Comparing Axillary Lymph Node Dissection to Axillary Radiation in Breast Cancer Patients (cT1-3 N1) Who Have Positive Sentinel Lymph Node Disease After Neoadjuvant Chemotherapy
A Randomized Phase III Trial Comparing Axillary Lymph Node Dissection to Axillary Radiation in Breast Cancer Patients (cT1-3 N1) Who Have Positive Sentinel Lymph Node Disease After Neoadjuvant Chemotherapy
Enrollment Status: Active_not_recruiting
Publish Date: January 13, 2025
Intervention Type: Radiation, Procedure
Study Phase: Phase 3
Randomized Phase III Trial Evaluating the Role of Weight Loss in Adjuvant Treatment of Overweight and Obese Women with Early Breast Cancer
Randomized Phase III Trial Evaluating the Role of Weight Loss in Adjuvant Treatment of Overweight and Obese Women with Early Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: January 13, 2025
Intervention Type: Other
Study Phase: Phase 3
Alternate Approaches for Clinical Stage II or III Estrogen Receptor Positive Breast Cancer Neoadjuvant Treatment (ALTERNATE) in Postmenopausal Women: a Phase III Study
Alternate Approaches for Clinical Stage II or III Estrogen Receptor Positive Breast Cancer Neoadjuvant Treatment (ALTERNATE) in Postmenopausal Women: a Phase III Study
Enrollment Status: Active_not_recruiting
Publish Date: January 10, 2025
Intervention Type: Drug
Study Drugs: Fulvestrant, Anastrozole
Study Phase: Phase 3
Documentation and Delivery of Guideline-Consistent Treatment in Adolescent and Young Adult (AYA) Acute Lymphoblastic Leukemia (ALL)
Documentation and Delivery of Guideline-Consistent Treatment in Adolescent and Young Adult (AYA) Acute Lymphoblastic Leukemia (ALL)
Enrollment Status: Completed
Publish Date: January 06, 2025
Intervention Type: Behavioral, Other
Randomized Phase II/III Trial of Prophylactic Cranial Irradiation With or Without Hippocampal Avoidance for Small Cell Lung Cancer
Randomized Phase II/III Trial of Prophylactic Cranial Irradiation With or Without Hippocampal Avoidance for Small Cell Lung Cancer
Enrollment Status: Active_not_recruiting
Publish Date: July 17, 2024
Intervention Type: Radiation
Study Phase: Phase 2/Phase 3
A Phase 3 Randomized Placebo Controlled Clinical Trial of Donepezil in Chemotherapy Exposed Breast Cancer Survivors With Cognitive Impairment
A Phase 3 Randomized Placebo Controlled Clinical Trial of Donepezil in Chemotherapy Exposed Breast Cancer Survivors With Cognitive Impairment
Enrollment Status: Completed
Publish Date: September 13, 2023
Intervention Type: Drug
Study Drug: Donepezil 
Study Phase: Phase 3
Phase III Comparison of Thoracic Radiotherapy Regimens in Patients With Limited Small Cell Lung Cancer Also Receiving Cisplatin and Etoposide
Phase III Comparison of Thoracic Radiotherapy Regimens in Patients With Limited Small Cell Lung Cancer Also Receiving Cisplatin and Etoposide
Enrollment Status: Unknown
Publish Date: June 12, 2023
Intervention Type: Drug, Radiation
Study Drugs: Cisplatin, Etoposide, Carboplatin
Study Phase: Phase 3
A Randomized Phase III Double Blinded Placebo Controlled Trial of Aspirin as Adjuvant Therapy for HER2 Negative Breast Cancer: The ABC Trial
A Randomized Phase III Double Blinded Placebo Controlled Trial of Aspirin as Adjuvant Therapy for HER2 Negative Breast Cancer: The ABC Trial
Enrollment Status: Terminated
Publish Date: April 05, 2023
Intervention Type: Other, Drug
Study Drug: Aspirin
Study Phase: Phase 3
Implementation of a Prospective Financial Impact Assessment Tool in Patients With Metastatic Colorectal Cancer
Implementation of a Prospective Financial Impact Assessment Tool in Patients With Metastatic Colorectal Cancer
Enrollment Status: Completed
Publish Date: January 26, 2023
Intervention Type: Other
Work Ability in Young Adult Survivors (WAYS)
Work Ability in Young Adult Survivors (WAYS)
Enrollment Status: Completed
Publish Date: August 02, 2022
Intervention Type: Other, Procedure
View 31 Less Clinical Trials

22 Total Publications

Omitting Regional Nodal Irradiation after Response to Neoadjuvant Chemotherapy.
Omitting Regional Nodal Irradiation after Response to Neoadjuvant Chemotherapy.
Journal: The New England journal of medicine
Published: June 04, 2025
Similar Doctors
Experienced in Orchiectomy
Dr. Sumi Sinha
Radiation Oncology
Experienced in Orchiectomy
Dr. Sumi Sinha
Radiation Oncology

Kaiser Permanente Dublin Medical Offices And Cancer Center

3100 Dublin Blvd, 
Dublin, CA 
 (31.8 miles away)
925-556-5800
Experience:
9+ years
Languages Spoken:
English
Accepting New Patients

Sumi Sinha is a Radiation Oncologist in Dublin, California. Dr. Sinha has been practicing medicine for over 9 years and is rated as an Experienced provider by MediFind in Orchiectomy. Her top areas of expertise are Melanoma of the Eye, Familial Prostate Cancer, Metastatic Uveal Melanoma, Posterior Fossa Decompression, and Orchiectomy. Dr. Sinha is currently accepting new patients.

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

Find Dr. Seaward's expertise for a condition
ConditionClose
        Want to save this doctor for later?
        Sign Up
        Is this your doctor?
        Find A Second Opinion
        Not sure about your diagnosis?
        Check Your Symptoms
         
         
         
         
        Learn about our expert tiers
        Learn More
        Are you the provider on this profile?
        Claim Profile