Release Date: December 12, 2025
Expiration Date: December 12, 2026
Activity Overview
The treatment landscape for polycythemia vera (PV) and essential thrombocytopenia (ET) is rapidly evolving, with risk-adapted strategies guided by updated recommendations from the National Comprehensive Cancer Network (NCCN), European LeukemiaNet (ELN), and International Prognostic Score of Thrombosis for Essential Thrombocythemia (IPSET-T). The introduction of novel agents such as ropeginterferon alfa-2b, ruxolitinib, pelabresib, and bomedemstat—particularly in cases of hydroxyurea resistance or intolerance—adds further complexity to treatment decisions. While these therapies offer promise in improving hematologic control and symptom burden, clinician education is needed to support appropriate therapy selection, treatment sequencing, and the incorporation of molecular testing to guide care.
This Cases and Conversations™ activity features expert faculty discussing cases of PV and ET, highlighting relevant clinical data and guideline recommendations for the diagnosis and management of these myeloproliferative disorders.
This educational activity is an archive of the live virtual symposium held on November 12, 2025.
Target Audience
This educational activity is directed toward medical oncologists, hematologists, nurse practitioners, physician assistants, nurses, pharmacists, and other health care providers involved in the treatment and management of PV and ET.
Learning Objectives
Upon successful completion of this activity, you should be better prepared to:
- Interpret recent clinical trial data and guideline updates relevant to the treatment of PV and ET
- Apply evidence-based treatment strategies to newly diagnosed and previously treated patients with PV and ET
- Identify best practices for supportive care and symptom monitoring in patients with PV and ET

John O. Mascarenhas, MD
Director, Center of Excellence in Blood Cancers and Myeloid
Disorders
Professor of Medicine
Icahn School of Medicine at Mount Sinai
The Tisch Cancer Institute
New York, NY
Disclosures: Advisor, Consultant, Speaker, Honoraria Recipient: AbbVie, Blueprint Medicines, Bristol Myers Squibb, DISC, Galecto, Geron, GSK, Incyte, Italfarmaco SpA, Karyopharm, Merck, Novartis, Pfizer, PharmaEssentia, Roche, Sobi, Sumitomo, Takeda; Grant/Research Funding: Ajax, Geron, Incyte, Italfarmaco SpA, Kartos, Karyopharm, Novartis, Pfizer, PharmaEssentia, Sobi

Marina Kremyanskaya, MD, PhD
Associate Professor of Medicine,
Hematology and Medical Oncology
Icahn School of Medicine at Mount Sinai
The Tisch Cancer Institute
New York, NY
Disclosures: Advisor/Consultant/Speaker/Honoraria Recipient: Agios, Cogent, Disc, Incyte, Protagonist, Silence Therapeutics, Takeda; Grant/Research Funding: Dompe

Douglas A. Tremblay, MD
Associate
Professor of Medicine
Icahn
School of Medicine at Mount Sinai
New
York, NY
Disclosures: Advisor, Consultant, Speaker, Honoraria Recipient: AbbVie, Geron, GSK and Cogent Biosciences, PharmaEssentia, Sobi; Grant/Research Funding: Cogent Biosciences and Gilead, Sobi, Sumitomo
Faculty, Staff, and Planners’ Disclosures
The staff of Physicians’ Education Resource®, LLC have no relevant financial relationships with ineligible companies.
PER® mitigated all COI for faculty, staff, and planners prior to the start of this activity by using a multistep process.
Off-Label Disclosure and Disclaimer
This activity may or may not discuss investigational, unapproved, or off-label use of drugs. Learners are advised to consult prescribing information for any products discussed. The information provided in this accredited activity is for continuing education purposes only and is not meant to substitute for the independent clinical judgment of a health care professional relative to diagnostic, treatment, or management options for a specific patient’s medical condition. The opinions expressed in the content are solely those of the individual faculty members and do not reflect those of PER® or any company that provided commercial support for this activity.

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