Jaroslaw P Maciejewski MD

Professor of Medicine, Case West Res University

Education & Training

National Institutes of Health Clinical CenterFellowship, Hematology and Medical Oncology, 1998 - 2000
University of Nevada Reno School of MedicineResidency, Internal Medicine, 1995 - 1998
Humboldt University of Berlin - Charite Faculty of MedicineClass of 1990

CMS Meaningful Use Stage 2 Certification Beacon Oncology 2014 Certified Module, Epic Systems Corporation, 2011, 2013-2017
CMS Meaningful Use Stage 2 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2011, 2013-2017
CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory - Core EMR, Epic Systems Corporation, 2011, 2013-2017

PubMed

Switching patients with PNH from pegcetacoplan to iptacopan: a case series.
Mark Orland, Carmelo Gurnari, Srinivasa Sanikommu, Jaroslaw Maciejewski, David Dingli
Hematology. 2026-12-01
PTCy or ATG for Matched Transplantation in Myelofibrosis.
Patrizia Chiusolo, Andrea Bacigalupo, Rachel Salit, Thomas Schroeder, Maria Chiara Finazzi
American Journal of Hematology. 2026-06-01
Validation of ICC hierarchical classification in secondary AML.
Enrico Attardi, Marta Cipriani, Luca Guarnera, Arianna Savi, Emiliano Fabiani
Blood Advances. 2026-05-26

Journal Articles

Germline Loss of Function SAMD9 and SAMD9L Alterations in Adult Myelodysplastic Syndromes
Samuel Li, Mikkael A Sekeres, Jaroslaw P Maciejewski, Rabi Hanna, Blood
Mutational Landscape of myelodysplastic/myeloproliferative Neoplasm – Unclassifiable (MDS/MPN-U)
Aziz Nazha, Rami S Komrokji, Andrew Sochacki, Mikkael A Sekeres, Prithviraj Bose, Courtney D DiNardo, Hagop M Kantarjian, Srdan Verstovsek, Sanam Loghavi, Jaroslaw P M..., Blood

Abstracts/Posters

Feedback Responses of the Pyrimidine Metabolism Network Mediate Resistance to Decitabine and 5-Azacytidine
Jaroslaw P. Maciejewski, 61st Annual American Society of Hematology Meeting, Orlando, FL, 12/9/2019
Large Granular Lymphocytic Leukemia Coexists with Clonal Hematopoiesis of Indeterminate PotentialClinically Relevant Abstract
Jaroslaw P. Maciejewski, 61st Annual American Society of Hematology Meeting, Orlando, FL, 12/9/2019
Long-Term Experience with Large Granular Lymphocytic Leukemia Evolving after Solid Organ and Hematopoietic Stem Cell Transplantation
Jaroslaw P. Maciejewski, 61st Annual American Society of Hematology Meeting, Orlando, FL, 12/7/2019

Weight-Loss Drugs May Have Surprising Side Effect: Stalling CancerMay 21st, 2026
Cleveland Clinic’s Hemato-Oncology Team Spearheads the Development of Guidelines for Genomic Profiling of MDS to Inform Allo-HCTJune 10th, 2025
Beta-Thalassemia Gene Tx Gets Ringing Endorsement from FDA AdvisersJune 10th, 2022

Investigating the Role of VISTA in Driving Immune Evasion in Acute Myeloid LeukemiaCLEVELAND CLINIC LERNER COM-CWRU2025–2030
Investigating the Role of VISTA in Driving Immune Evasion in Acute Myeloid LeukemiaCLEVELAND CLINIC LERNER COM-CWRU2025–2030
Eltombopag: Novel Mode of Action on Normal and Aplastic Anemia Hematopoietic Stem CellsCLEVELAND CLINIC LERNER COM-CWRU2022–2027
Eltombopag: Novel Mode of Action on Normal and Aplastic Anemia Hematopoietic Stem CellsCLEVELAND CLINIC LERNER COM-CWRU2022–2027
Targeting TET DNA Dioxygenases as Therapeutic Principle in Myeloid NeoplasmsCLEVELAND CLINIC LERNER COM-CWRU2021–2026