Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center
Articles by Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center

Future Directions for the Management of HR+ Breast Cancer
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, Massachusetts General Hospital Cancer Center,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, FASCO, UCSF Helen Diller Family Comprehensive Cancer Center Andrew D. Seidman, MD; Aditya Bardia, MD, MPH; Dejan Juric, MD; Nicholas McAndrew, MD, MSCE; and Hope S. Rugo, MD, share closing thoughts on the current and future treatment landscape for the management of HR+ breast cancer.

ES HR+ Breast Cancer: CDK4/6 Inhibitors in Clinical Practice
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, Massachusetts General Hospital Cancer Center,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, FASCO, UCSF Helen Diller Family Comprehensive Cancer Center A discussion on the use of adjuvant CDK4/6 inhibitors in clinical practice for the treatment of early stage HR+ breast cancer.

Using CDK4/6 Inhibitors in Early Stage HR+ Breast Cancer
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, Massachusetts General Hospital Cancer Center,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, FASCO, UCSF Helen Diller Family Comprehensive Cancer Center Experts in breast cancer share insights on the role of CDK4/6 inhibition in the adjuvant setting for early stage HR+ breast cancer.

Early Stage HR+ Breast Cancer: Optimizing Multigene Assays
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, Massachusetts General Hospital Cancer Center,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, FASCO, UCSF Helen Diller Family Comprehensive Cancer Center Hope S. Rugo, MD, leads the discussion on the new data presented at the 2021 ASCO annual meeting for MammaPrint and Breast Cancer Index for early stage HR+ breast cancer.

Using Genomic Assays for Early Stage HR+ Breast Cancer
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, Massachusetts General Hospital Cancer Center,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, FASCO, UCSF Helen Diller Family Comprehensive Cancer Center The role of genomic assays, including Oncotype DX as reported on in the RxPONDER trial, for the optimal management of early stage HR+ breast cancer is discussed.

Emerging Agents for the Management of HR+ mBC
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, Massachusetts General Hospital Cancer Center,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, FASCO, UCSF Helen Diller Family Comprehensive Cancer Center Aditya Bardia, MD, MPH, leads the discussion on the use of novel CDK4/6 inhibitors, BCL2 inhibitors, and oral SERDS for the treatment of HR+ metastatic breast cancer.

PI3KCA Inhibition: Managing AEs in HR+ mBC
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, Massachusetts General Hospital Cancer Center,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, FASCO, UCSF Helen Diller Family Comprehensive Cancer Center Andrew D. Seidman, MD; Aditya Bardia, MD, MPH; Dejan Juric, MD; Nicholas McAndrew, MD, MSCE; and Hope S. Rugo, MD, review the optimal management of adverse events associated with alpelisib in HR+ metastatic breast cancer.

Using CDK4/6 Inhibitors After HR+ mBC Disease Progression
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, Massachusetts General Hospital Cancer Center,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, FASCO, UCSF Helen Diller Family Comprehensive Cancer Center Breast cancer experts comment on whether there is a benefit to switching to or continuing on CDK4/6 inhibitors with disease progression for HR+ metastatic breast cancer and discuss the use of tamoxifen for third-line endocrine therapy.

Case Discussion: Resistance to CDK4/6 Inhibitors in HR+ mBC
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, Massachusetts General Hospital Cancer Center,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, FASCO, UCSF Helen Diller Family Comprehensive Cancer Center Andrew D. Seidman, MD, presents a case study of a 56-year-old postmenopausal woman diagnosed with stage IIB HR+ breast cancer and leads the discussion on approaching treatment for the given patient.

Implications of PIK3CA Mutations in HR+ mBC
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, Massachusetts General Hospital Cancer Center,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, FASCO, UCSF Helen Diller Family Comprehensive Cancer Center Dejan Juric, MD, leads the discussion on the role of PIK3CA mutations in HR+ metastatic breast cancer.

Selecting a CDK4/6 Inhibitor for HR+ mBC
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, Massachusetts General Hospital Cancer Center,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, FASCO, UCSF Helen Diller Family Comprehensive Cancer Center Experts in breast cancer comment on the appropriate patient selection of CDK4/6 inhibitors for the management of HR-positive metastatic breast cancer.

Using CDK4/6 Inhibitors in First-Line Treatment of HR+ mBC
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, Massachusetts General Hospital Cancer Center,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, FASCO, UCSF Helen Diller Family Comprehensive Cancer Center A review of data from key phase 3 clinical trials, including ASCO 2021 updates, assessing the use of CDK4/6 inhibitors with endocrine therapy for the frontline treatment of HR-positive metastatic breast cancer.

Management of HR+ mBC: Key Prognostic Factors
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, MPH, FASCO,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, Helen Diller Family Comprehensive Cancer Center Considerations for approaching the treatment of HR-positive metastatic breast cancer through insights on key prognostic factors.

Role of Molecular Profiling in HR+ Metastatic Breast Cancer
ByAndrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Aditya Bardia, MD, MPH, FASCO,Dejan Juric, MD, Massachusetts General Hospital,Nicholas McAndrew, MD, MSCE, UCLA Health,Hope S. Rugo, MD, Helen Diller Family Comprehensive Cancer Center Andrew D. Seidman, MD; Aditya Bardia, MD, MPH; Dejan Juric, MD; Nicholas McAndrew, MD, MSCE; and Hope S. Rugo, MD, discuss when it is appropriate to order molecular testing and the impact of testing on the treatment of HR-positive metastatic breast cancer.

Treatment Advances in HR+ Breast Cancer
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University A panel of experts who treat breast cancer close out a discussion on the use of newer therapies, including CDK4/6 inhibitors, based on outcomes demonstrated by recent clinical trials.

Case Discussion 2: Systemic Therapy for ER+, PR+, HER2- Breast Cancer
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University Breast oncologists review the appropriateness for treating a patient with ER-positive, PR-positive, HER2-negative breast cancer with systemic therapy, with special considerations regarding sequencing therapy if using a CDK4/6 inhibitor as adjuvant therapy.

The PRIME II Study in HR+ Breast Cancer
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University Andrew Seidman, MD, comments on results of the PRIME II study presented at SABCS and the appropriateness for radiation therapy in certain patient populations with HR-positive breast cancer.

The PENELOPE-B Study in HR+ Breast Cancer
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University Dr Massimo Cristofanilli, of the Feinberg School of Medicine, describes the PENELOPE-B study of palbociclib and endocrine therapy for patients with HR-positive breast cancer at high risk of relapse after neoadjuvant chemotherapy.

Updated Results of MonarchE in HR+ Breast Cancer
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University Dr Sara Tolaney comments on recent updates of the monarchE trial of abemaciclib and adjuvant endocrine therapy for high-risk early stage breast cancer as presented at SABCS 2020.

Rationale for Ovarian Suppression in HR+ Breast Cancer
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University During a discussion regarding data demonstrated by the RxPONDER trial in HR-positive breast cancer, breast oncologists consider when ovarian suppression is most appropriate and for whom.

Results of RxPONDER in HR+ Breast Cancer
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University Dr Andrew Seidman reacts to outcomes of the RxPONDER trial of chemotherapy use in women with HR-positive breast cancer at low risk of recurrence.

Early-Stage HR+ Breast Cancer: Treatment Options
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University 
Risk of Recurrence in Early-Stage HR+ Breast Cancer
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University 
HR+ MBC: Resistance to CDK4/6 Inhibitors
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University 
Targeting the PI3K/AKT/mTOR Pathway in HR+ MBC
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University 
Treating HR+ MBC After Frontline CDK4/6 Therapy
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University 
Treating PIK3CA Mutations in HR+ MBC
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University 
Case Discussion 1: Resistance to a CDK4/6 Inhibitor
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University 
CDK4/6 Inhibitors for HR+ MBC: Data and Utilization
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University 
Frontline Therapy for HR+ MBC: CDK4/6 Inhibitors
BySara A. Hurvitz, MD, David Geffen School of Medicine,Massimo Cristofanilli, MD, Northwestern University,Andrew D. Seidman, MD, Memorial Sloan Kettering Cancer Center,Sara M. Tolaney, MD, MPH, Dana-Farber Cancer Institute, Harvard University