Dr. Ellisen is on Doximity
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Office
55 Fruit St
Grj 904
Boston, MA 02114Phone+1 617-724-1399Fax+1 617-726-8623
Education & Training
Brigham and Women's Hospital/Massachusetts General Hospital/Dana-Farber Cancer InstituteFellowship, Hematology and Medical Oncology, 1994 - 1997- Brigham and Women's HospitalResidency, Internal Medicine, 1992 - 1994
Stanford University School of MedicineClass of 1992
Certifications & Licensure
MA State Medical License 1994 - 2025
Publications & Presentations
PubMed
- Dynamic HER2-low status among patients with triple negative breast cancer (TNBC) and the impact of repeat biopsies.Yael Bar, Geoffrey Fell, Aylin Dedeoglu, Natalie Moffett, Neelima Vidula
NPJ Breast Cancer. 2025-03-11 - Exploring the "chemo" in chemoimmunotherapy for triple-negative breast cancer.Ting Liu, Leif W Ellisen
Cancer Cell. 2025-03-10 - CREB1-BCL2 drives mitochondrial resilience in RAS GAP-dependent breast cancer chemoresistance.Ki-Fong Man, Omeed Darweesh, Jinghui Hong, Alexandra Thompson, Charlotte O'Connor
Oncogene. 2025-01-31
Press Mentions
Mechanisms of Resistance to Drug for Triple-Negative Breast Cancer IdentifiedAugust 17th, 2021- Researchers Identify Mechanisms of Resistance to Drug for Triple-Negative Breast CancerAugust 17th, 2021
- Scientists Discover How Triple-Negative Breast Cancer Can Defeat Powerful DrugsAugust 16th, 2021
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Grant Support
- Elucidating resistance mechanisms and enhancing response to immune checkpoint blockade in central nervous system metastases from breast cancerMASSACHUSETTS GENERAL HOSPITAL2024–2029
- Elucidating resistance mechanisms and enhancing response to immune checkpoint blockade in central nervous system metastases from breast cancerMASSACHUSETTS GENERAL HOSPITAL2024–2029
- Elucidating resistance mechanisms and enhancing response to immune checkpoint blockade in central nervous system metastases from breast cancerMASSACHUSETTS GENERAL HOSPITAL2024–2029
- Subclonal heterogeneity and outcome disparities in Triple-Negative Breast Cancer among African AmericansMASSACHUSETTS GENERAL HOSPITAL2022–2027
- Synergistic combinatorial DNA damage response/repair inhibition and Sacituzumab Govitecan in triple-negative breast cancerMASSACHUSETTS GENERAL HOSPITAL2022–2026
- Synergistic combinatorial DNA damage response/repair inhibition and Sacituzumab Govitecan in triple-negative breast cancerMASSACHUSETTS GENERAL HOSPITAL2022–2026
- Landscape and characterization of promoter mutations driving triple-negative breast cancerMASSACHUSETTS GENERAL HOSPITAL2023–2025
- Landscape and characterization of promoter mutations driving triple-negative breast cancerMASSACHUSETTS GENERAL HOSPITAL2023–2025
- Landscape and characterization of promoter mutations driving triple-negative breast cancerMASSACHUSETTS GENERAL HOSPITAL2023–2025
- P63 Mechanisms And Mediators In HnsccNational Institute Of Dental &Craniofacial Research2011
- Function And Mechanism Of REDD1 Signaling To TSC1/2 And MTORC1National Cancer Institute2007–2011
- P63 Mediators As Therapeutic Targets In HnsccNational Institute Of Dental &Craniofacial Research2004–2010
- Telomerase Functions In Differentiation &TransformationNational Cancer Institute1999–2003
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