Joyce A. O'shaughnessy
Experienced in Vitamin B12 Deficiency

Dr. Joyce A. O'shaughnessy

Oncology | Internal Medicine
3410 Worth Street, Suite 400, 
Dallas, TX 
Clinical Trials:Currently Recruiting for 1 Trial
Offers Telehealth
44 Years of Experience
Experienced in Vitamin B12 Deficiency
3410 Worth Street, Suite 400, 
Dallas, TX 
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Overview

Joyce O'shaughnessy is an Oncologist and an Internal Medicine provider in Dallas, Texas. Dr. O'shaughnessy has been practicing medicine for over 44 years and is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Breast Cancer, Triple-Negative Breast Cancer, Inflammatory Breast Cancer, HER2 Negative Breast Cancer, and Tissue Biopsy.

Her clinical research consists of co-authoring 252 peer reviewed articles and participating in 27 clinical trials. MediFind looks at clinical research from the past 15 years.

Graduate Institution
Yale University School Of Medicine, 1982.0
Residency
Internal Medicine, Massachusetts General Hospital
Specialties
Oncology
Internal Medicine
Licenses
Internal Medicine in TX
Board Certifications
American Board Of Internal Medicine
Fellowships
Medical Oncology, National Cancer Institute, NIH
Hospital Affiliations
Baylor University Medical Center
Baylor Scott & White Medical Center Plano
Languages Spoken
English
Gender
Female

Insurance

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

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Accepted insurance plans:

Aetna
  • EPO
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Anthem
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Baylor Scott & White Health
  • HMO
  • INSURANCE PLAN
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  • OTHER COMMERCIAL
Blue Cross Blue Shield
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Blue Shield of California
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  • OTHER MEDICARE
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Cigna
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Friday Health

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Health Care Services Corporation
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Humana
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Premera Blue Cross
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Quartz Health Plan
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Scott and White Health
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Superior Health Plan
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Walgreens
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Wellcare
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Locations

Texas Oncology, P.A.
3410 Worth Street, Suite 400, Dallas, TX 75246

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.

25 Clinical Trials

A Global, Phase 2 Study of ARX788 in HER2-positive Metastatic Breast Cancer Patients Who Were Previously Treated With T-DXd
A Global, Phase 2 Study of ARX788 in HER2-positive Metastatic Breast Cancer Patients Who Were Previously Treated With T-DXd
Enrollment Status: Recruiting
Publish Date: January 20, 2025
Intervention Type: Drug
Study Drug: ARX788
Study Phase: Phase 2
Randomized, Double-blind, Phase 3 Study of Tucatinib or Placebo in Combination With Ado-trastuzumab Emtansine (T-DM1) for Subjects With Unresectable Locally-advanced or Metastatic HER2+ Breast Cancer (HER2CLIMB-02)
Randomized, Double-blind, Phase 3 Study of Tucatinib or Placebo in Combination With Ado-trastuzumab Emtansine (T-DM1) for Subjects With Unresectable Locally-advanced or Metastatic HER2+ Breast Cancer (HER2CLIMB-02)
Enrollment Status: Active_not_recruiting
Publish Date: August 07, 2025
Intervention Type: Drug
Study Drugs: tucatinib, T-DM1
Study Phase: Phase 3
A Phase 2 Basket Study of Tucatinib in Combination With Trastuzumab in Subjects With Previously Treated, Locally Advanced Unresectable or Metastatic Solid Tumors Driven by HER2 Alterations
A Phase 2 Basket Study of Tucatinib in Combination With Trastuzumab in Subjects With Previously Treated, Locally Advanced Unresectable or Metastatic Solid Tumors Driven by HER2 Alterations
Enrollment Status: Active_not_recruiting
Publish Date: August 07, 2025
Intervention Type: Drug
Study Drugs: Tucatinib, Trastuzumab, Fulvestrant
Study Phase: Phase 2
A Randomized Phase 3 Double-Blinded Study Comparing the Efficacy and Safety of Niraparib to Placebo in Participants With Either HER2-Negative BRCA-Mutated or Triple-Negative Breast Cancer With Molecular Disease Based on Presence of Circulating Tumor DNA After Definitive Therapy (ZEST)
A Randomized Phase 3 Double-Blinded Study Comparing the Efficacy and Safety of Niraparib to Placebo in Participants With Either HER2-Negative BRCA-Mutated or Triple-Negative Breast Cancer With Molecular Disease Based on Presence of Circulating Tumor DNA After Definitive Therapy (ZEST)
Enrollment Status: Active_not_recruiting
Publish Date: July 16, 2025
Intervention Type: Drug
Study Drug: Niraparib
Study Phase: Phase 3
EMBER-3: A Phase 3, Randomized, Open-Label Study of Imlunestrant, Investigator's Choice of Endocrine Therapy, and Imlunestrant Plus Abemaciclib in Patients With Estrogen Receptor Positive, HER2 Negative Locally Advanced or Metastatic Breast Cancer Previously Treated With Endocrine Therapy
EMBER-3: A Phase 3, Randomized, Open-Label Study of Imlunestrant, Investigator's Choice of Endocrine Therapy, and Imlunestrant Plus Abemaciclib in Patients With Estrogen Receptor Positive, HER2 Negative Locally Advanced or Metastatic Breast Cancer Previously Treated With Endocrine Therapy
Enrollment Status: Active_not_recruiting
Publish Date: July 11, 2025
Intervention Type: Drug
Study Drugs: Imlunestrant, Exemestane, Fulvestrant, Abemaciclib
Study Phase: Phase 3
Phase 1a/2a Dose Escalation Trial to Determine Safety, Tolerance, MTD, and Preliminary Antineoplastic Activity of AVID100, in Patients With Advanced or Metastatic Solid Tumors of Epithelial Origin
Phase 1a/2a Dose Escalation Trial to Determine Safety, Tolerance, MTD, and Preliminary Antineoplastic Activity of AVID100, in Patients With Advanced or Metastatic Solid Tumors of Epithelial Origin
Enrollment Status: Terminated
Publish Date: June 11, 2025
Intervention Type: Drug
Study Drug: AVID100
Study Phase: Phase 1/Phase 2
A Phase 1-2 Dose-escalation and Expansion Study of ST101 in Patients With Advanced Unresectable and Metastatic Solid Tumors
A Phase 1-2 Dose-escalation and Expansion Study of ST101 in Patients With Advanced Unresectable and Metastatic Solid Tumors
Enrollment Status: Active_not_recruiting
Publish Date: May 11, 2025
Intervention Type: Drug, Radiation
Study Phase: Phase 1/Phase 2
A Randomized, Open-Label, Phase 3 Study of Abemaciclib Combined With Standard Adjuvant Endocrine Therapy Versus Standard Adjuvant Endocrine Therapy Alone in Patients With High Risk, Node Positive, Early Stage, Hormone Receptor Positive, Human Epidermal Receptor 2 Negative, Breast Cancer
A Randomized, Open-Label, Phase 3 Study of Abemaciclib Combined With Standard Adjuvant Endocrine Therapy Versus Standard Adjuvant Endocrine Therapy Alone in Patients With High Risk, Node Positive, Early Stage, Hormone Receptor Positive, Human Epidermal Receptor 2 Negative, Breast Cancer
Enrollment Status: Active_not_recruiting
Publish Date: April 20, 2025
Intervention Type: Drug
Study Drugs: Abemaciclib, Standard Adjuvant Endocrine Therapy
Study Phase: Phase 3
A Phase 2, Single-Arm, Open-Label Study of Trilaciclib Administered Prior to Sacituzumab Govitecan-hziy in Patients With Unresectable Locally Advanced or Metastatic Triple-Negative Breast Cancer Who Received at Least Two Prior Treatments, at Least One in the Metastatic Setting
A Phase 2, Single-Arm, Open-Label Study of Trilaciclib Administered Prior to Sacituzumab Govitecan-hziy in Patients With Unresectable Locally Advanced or Metastatic Triple-Negative Breast Cancer Who Received at Least Two Prior Treatments, at Least One in the Metastatic Setting
Enrollment Status: Terminated
Publish Date: January 29, 2025
Intervention Type: Drug
Study Drugs: Trilaciclib, Sacituzumab Govitecan-hziy
Study Phase: Phase 2
Single Arm, Open Label Phase 1b/2 Study of SGN-LIV1A in Combination With Pembrolizumab for First-Line Treatment of Patients With Unresectable Locally-Advanced or Metastatic Triple-Negative Breast Cancer
Single Arm, Open Label Phase 1b/2 Study of SGN-LIV1A in Combination With Pembrolizumab for First-Line Treatment of Patients With Unresectable Locally-Advanced or Metastatic Triple-Negative Breast Cancer
Enrollment Status: Completed
Publish Date: December 20, 2024
Intervention Type: Drug
Study Drugs: ladiratuzumab vedotin, Pembrolizumab
Study Phase: Phase 1/Phase 2
A Phase 3, Randomized, Double-Blind Study of Trilaciclib or Placebo in Patients Receiving First- or Second-Line Gemcitabine and Carboplatin Chemotherapy for Locally Advanced Unresectable or Metastatic Triple-Negative Breast Cancer (PRESERVE 2)
A Phase 3, Randomized, Double-Blind Study of Trilaciclib or Placebo in Patients Receiving First- or Second-Line Gemcitabine and Carboplatin Chemotherapy for Locally Advanced Unresectable or Metastatic Triple-Negative Breast Cancer (PRESERVE 2)
Enrollment Status: Completed
Publish Date: August 01, 2024
Intervention Type: Drug
Study Drugs: Trilaciclib, Gemcitabine, Carboplatin
Study Phase: Phase 3
A Phase 2, Open-Label, Single-Arm Study of Single-Dose Lead-In and Neoadjuvant Trilaciclib and Chemotherapy in Patients With Early-Stage Triple Negative Breast Cancer (TNBC)
A Phase 2, Open-Label, Single-Arm Study of Single-Dose Lead-In and Neoadjuvant Trilaciclib and Chemotherapy in Patients With Early-Stage Triple Negative Breast Cancer (TNBC)
Enrollment Status: Completed
Publish Date: March 12, 2024
Intervention Type: Drug, Biological
Study Drugs: Trilaciclib, Cylophosphamide, Doxorubicin, Paclitaxel, Carboplatin, Pembrolizumab
Study Phase: Phase 2
A Phase 1, Multicenter, Open-label, Multiple Dose-escalation and Expansion Study of ARX788, as Monotherapy in Advanced Solid Tumors With HER2 Expression
A Phase 1, Multicenter, Open-label, Multiple Dose-escalation and Expansion Study of ARX788, as Monotherapy in Advanced Solid Tumors With HER2 Expression
Enrollment Status: Completed
Publish Date: February 01, 2024
Intervention Type: Drug
Study Drug: ARX788
Study Phase: Phase 1
Pilot Clinical Trial of Treatment With LY3023414 and Prexasertib to Inhibit Homologous Recombination (HR) in Patients With Chemotherapy-Pretreated Metastatic Triple Negative Breast Cancer (Amendment 1)
Pilot Clinical Trial of Treatment With LY3023414 and Prexasertib to Inhibit Homologous Recombination (HR) in Patients With Chemotherapy-Pretreated Metastatic Triple Negative Breast Cancer (Amendment 1)
Enrollment Status: Completed
Publish Date: September 11, 2023
Intervention Type: Combination product
Study Drugs: LY3023414, Prexasertib
Study Phase: Phase 2
Phase II Clinical Trial of Treatment With TAK-228 and TAK-117 to Inhibit Homologous Recombination (HR) Followed by Cisplatin and Nab Paclitaxel in Patients With Chemotherapy-pretreated Metastatic Triple Negative Breast Cancer
Phase II Clinical Trial of Treatment With TAK-228 and TAK-117 to Inhibit Homologous Recombination (HR) Followed by Cisplatin and Nab Paclitaxel in Patients With Chemotherapy-pretreated Metastatic Triple Negative Breast Cancer
Enrollment Status: Completed
Publish Date: August 07, 2023
Intervention Type: Drug
Study Drugs: Tak-228, Tak-117, Cisplatin, Nab Paclitaxel
Study Phase: Phase 2
A Phase 1, Open-Label, Dose-Escalation Study to Evaluate the Safety and Tolerability of SGN-LIV1A in Patients With Metastatic Breast Cancer
A Phase 1, Open-Label, Dose-Escalation Study to Evaluate the Safety and Tolerability of SGN-LIV1A in Patients With Metastatic Breast Cancer
Enrollment Status: Completed
Publish Date: March 07, 2023
Intervention Type: Drug
Study Drugs: Ladiratuzumab vedotin, Trastuzumab
Study Phase: Phase 1
A Phase I/Ib, Multicenter, Open-label, Dose-Escalation, Safety, Pharmacodynamic and Pharmacokinetic Study of GZ17-6.02 Monotherapy and in Combination With Capecitabine, Given Orally on a Daily Schedule in Patients With Advanced Solid Tumors or Lymphoma
A Phase I/Ib, Multicenter, Open-label, Dose-Escalation, Safety, Pharmacodynamic and Pharmacokinetic Study of GZ17-6.02 Monotherapy and in Combination With Capecitabine, Given Orally on a Daily Schedule in Patients With Advanced Solid Tumors or Lymphoma
Enrollment Status: Unknown
Publish Date: December 23, 2022
Intervention Type: Drug
Study Drug: GZ17-6.02
Study Phase: Phase 1
Phase 2 Study of the Safety, Efficacy, and Pharmacokinetics of G1T28 in Patients With Metastatic Triple Negative Breast Cancer Receiving Gemcitabine and Carboplatin Chemotherapy
Phase 2 Study of the Safety, Efficacy, and Pharmacokinetics of G1T28 in Patients With Metastatic Triple Negative Breast Cancer Receiving Gemcitabine and Carboplatin Chemotherapy
Enrollment Status: Terminated
Publish Date: March 23, 2022
Intervention Type: Drug
Study Drugs: Trilaciclib, Gemcitabine, Carboplatin
Study Phase: Phase 2
An Open Label, Multi-center Protocol for U.S. Patients Enrolled in a Study of Ribociclib With Endocrine Therapy as an Adjuvant Treatment in Patients With Hormone Receptor-positive, HER2-negative, High Risk Early Breast Cancer
An Open Label, Multi-center Protocol for U.S. Patients Enrolled in a Study of Ribociclib With Endocrine Therapy as an Adjuvant Treatment in Patients With Hormone Receptor-positive, HER2-negative, High Risk Early Breast Cancer
Enrollment Status: Completed
Publish Date: October 11, 2021
Intervention Type: Drug
Study Phase: Phase 2
Pilot Study To Investigate Targetable Metabolic Pathways Sustaining Triple Negative (TN) Breast Cancer and Associated Genomic Alterations
Pilot Study To Investigate Targetable Metabolic Pathways Sustaining Triple Negative (TN) Breast Cancer and Associated Genomic Alterations
Enrollment Status: Completed
Publish Date: October 08, 2021
Intervention Type: Dietary supplement
Study Phase: Not Applicable
Pilot Safety and Blood Immune Cell Transcriptional Profiling Study of Anakinra Plus the Physician's Chemotherapy Choice in Metastatic Breast Cancer Patients
Pilot Safety and Blood Immune Cell Transcriptional Profiling Study of Anakinra Plus the Physician's Chemotherapy Choice in Metastatic Breast Cancer Patients
Enrollment Status: Completed
Publish Date: October 08, 2021
Intervention Type: Drug
Study Phase: Phase 1
A Phase I/II Study of IMMU-132 (hRS7-SN38 Antibody Drug Conjugate) in Patients With Epithelial Cancer
A Phase I/II Study of IMMU-132 (hRS7-SN38 Antibody Drug Conjugate) in Patients With Epithelial Cancer
Enrollment Status: Completed
Publish Date: August 12, 2021
Intervention Type: Drug
Study Phase: Phase 1/Phase 2
A Multinational, Multicenter, Randomized, Phase 3 Study of Tesetaxel Plus a Reduced Dose of Capecitabine Versus Capecitabine Alone in Patients With HER2 Negative, HR Positive, Locally Advanced or Metastatic Breast Cancer Previously Treated With a Taxane
A Multinational, Multicenter, Randomized, Phase 3 Study of Tesetaxel Plus a Reduced Dose of Capecitabine Versus Capecitabine Alone in Patients With HER2 Negative, HR Positive, Locally Advanced or Metastatic Breast Cancer Previously Treated With a Taxane
Enrollment Status: Terminated
Publish Date: July 30, 2021
Intervention Type: Drug
Study Drugs: Tesetaxel and Capecitabine, Capecitabine
Study Phase: Phase 3
A Phase II Randomized, Double-blind Placebo Controlled, Study of Letrozole With or Without BYL719 or Buparlisib, for the Neoadjuvant Treatment of Postmenopausal Women With Hormone Receptor-positive HER2-negative Breast Cancer
A Phase II Randomized, Double-blind Placebo Controlled, Study of Letrozole With or Without BYL719 or Buparlisib, for the Neoadjuvant Treatment of Postmenopausal Women With Hormone Receptor-positive HER2-negative Breast Cancer
Enrollment Status: Completed
Publish Date: September 14, 2018
Intervention Type: Drug
Study Phase: Phase 2
An Open-Label, Multi-Center Expanded Access Program of Abemaciclib for the Treatment of Hormone Receptor Positive, HER2 Negative Advanced or Metastatic Breast Cancer in Patients With Disease Progression on Prior Therapies
An Open-Label, Multi-Center Expanded Access Program of Abemaciclib for the Treatment of Hormone Receptor Positive, HER2 Negative Advanced or Metastatic Breast Cancer in Patients With Disease Progression on Prior Therapies
Enrollment Status: Approved_for_marketing
Publish Date: October 31, 2017
Intervention Type: Drug
View 24 Less Clinical Trials

252 Total Publications

Corrigendum to "Abemaciclib plus a nonsteroidal aromatase inhibitor as initial therapy for HR+, HER2- advanced breast cancer: final overall survival results of MONARCH 3": [Ann Oncol 2024; 35: 718-727].
Corrigendum to "Abemaciclib plus a nonsteroidal aromatase inhibitor as initial therapy for HR+, HER2- advanced breast cancer: final overall survival results of MONARCH 3": [Ann Oncol 2024; 35: 718-727].
Journal: Annals of oncology : official journal of the European Society for Medical Oncology
Published: October 15, 2025
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