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Shernan Holtan, MD, Hematology, Buffalo, NY

ShernanGHoltanMD- Allogeneic HCT/ Cell Therapy(She/Her)

Hematology Buffalo, NY

Hematologic Oncology

Chief of Blood and Marrow Transplantation, Professor of Medicine

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  • Office

    Elm and Carlton
    Buffalo, NY 14209

Summary

  • Dr. Shernan Holtan is an internationally recognized hematologist based in Buffalo, NY, with specialized expertise in hematologic oncology. After graduating from the University of Nebraska College of Medicine in 2003, she completed both her residency and fellowship training at the Mayo Clinic College of Medicine and Science. Dr. Holtan currently holds the position of Professor of Medicine and Chief of Blood and Marrow Transplantation at Roswell Park Comprehensive Cancer Center. Her groundbreaking work encompasses hematopoietic stem cell transplantation, graft-versus-host disease (GVHD), strength training, and regenerative medicine. Dr. Holtan's leadership in investigator-initiated clinical trials has been transformative, notably her pivotal role as co-leader of BMT CTN 1703, a landmark study published in the New England Journal of Medicine in 2023, which led to the global adoption of post-transplant cyclophosphamide for GVHD prophylaxis. Recognized for her significant clinical and translational contributions, she received the prestigious Lukas Wartman GVHD Achievement Award at the ASTCT/CIBMTR Tandem Meetings in 2025.

Education & Training

  • Mayo Clinic College of Medicine and Science (Rochester)
    Mayo Clinic College of Medicine and Science (Rochester)Fellowship, Hematology and Medical Oncology, 2006 - 2010
  • Mayo Clinic College of Medicine and Science (Rochester)
    Mayo Clinic College of Medicine and Science (Rochester)Residency, Internal Medicine, 2003 - 2006
  • University of Nebraska College of Medicine
    University of Nebraska College of MedicineClass of 2003
  • Hastings College
    Hastings CollegeBA, Biopsychology, 1998

Certifications & Licensure

  • MN State Medical License
    MN State Medical License 2004 - 2025
  • NY State Medical License
    NY State Medical License 2023 - 2025
  • OR State Medical License
    OR State Medical License 2011 - 2013
  • Hematology
    American Board of Internal Medicine Hematology

Awards, Honors, & Recognition

  • Red Rose Award Oregon Health & Science University, 2013
  • CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2012
  • Edward T. Creagan, M.D. Award for Outstanding Contribution to Melanoma 2011
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Clinical Trials

Publications & Presentations

PubMed

Journal Articles

  • Amphiregulin in Intestinal Acute Graft-Versus-Host Disease: A Possible Diagnostic and Prognostic Aid  
    Brittney Schultz, Bruce R Blazar, Daniel J Weisdorf, Shernan G Holtan, Alexander Khoruts, Armin Rashidi, Margaret L MacMillan, Khalid Amin, Byron P Vaughn, Nature
  • Phase I Trial of ALT-803, a Novel Recombinant Interleukin-15 Complex, in Patients with Advanced Solid Tumors  
    Jeffrey S Miller, Shernan G Holtan, Sylvia M Lee, Chihiro Morishima, Ann W Silk, Clinical Cancer Research
  • Immunomodulatory Effects of Sex Hormones: Requirements for Pregnancy and Relevance in Melanoma  
    Enninga EAL, Holtan SG, Creedon DJ, Dronca RS, Nevala WK, Ognjanovic S, Markovic SN, Mayo Clinic Proceedings, 1/1/2014
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Abstracts/Posters

  • Obesity-Induced Microbiome Alterations Result in Severe Gastrointestinal Graft-Versus-Host Disease Following Allogeneic Hematopoietic Stem Cell Transplantation
    Shernan Holtan, 61st Annual American Society of Hematology Meeting, Orlando, FL, 12/2019
  • Outcomes of Chronic Graft-Versus-Host Disease (cGVHD) Following Matched Sibling Donor (MSD) Versus Umbilical Cord Blood Transplant (UCBT)
    Shernan Holtan, 61st Annual American Society of Hematology Meeting, Orlando, FL, 12/7/2019
  • Prognostic Impact of Follistatin in Acute Graft-Versus-Host Disease: Results from BMT CTN 0302 and 0802
    Holtan, SG., Michael R. Verneris, Kirk R Schultz, Laura F. Newell, Gabrielle Meyers, Fiona He, Todd E. DeFor, Margaret L. MacMillan, Biology of Blood and Marrow Transplant, 1/1/2015
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Lectures

  • Making Progress in Graft-Versus-Host Disease Prophylaxis and Microbiome Analysis in the Blood and Marrow Transplant Clinical Trials Network: Progress III (1703)/MI-Imm... 
    61st Annual American Society of Hematology Meeting - Orlando, FL - 12/7/2019
  • The Evolving Treatment Landscape for Patients with GvHD: More Options, More Decisions, Better Outcomes! 
    61st Annual American Society of Hematology Meeting - Orlando, FL - 12/7/2019
  • Validation of Minnesota Acute Gvhd Risk Score and Identification of New Factors Associated with Initial Response to Steroids: Not All Gvhd Is Created Equal 
    2018 ASH Annual Meeting - San Diego, CA - 12/1/2018
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Other

  • Cancer of Unknown Primary Site 
    Holtan SG, Enterprise Learning System, AskMayoExpert article, Mayo Clinic
    1/1/2009

Press Mentions

  • Tandem 2025: Roswell Park Team Creates Predictive Model to Inform Care of Lymphoma Patients
    Tandem 2025: Roswell Park Team Creates Predictive Model to Inform Care of Lymphoma PatientsFebruary 3rd, 2025
  • Everything You Need to Know About Graft-Versus-Host Disease
    Everything You Need to Know About Graft-Versus-Host DiseaseJanuary 13th, 2023
  • VITRAC Therapeutics Initiates a Phase 1/2 Clinical Trial with the Aurora Kinase a Inhibitor VIC-1911 in GVHD Prophylaxis
    VITRAC Therapeutics Initiates a Phase 1/2 Clinical Trial with the Aurora Kinase a Inhibitor VIC-1911 in GVHD ProphylaxisApril 26th, 2022
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