W. Christopher Ehmann, MD - Penn State Cancer Institute
Researcher Profile
W. Christopher Ehmann, MD
Professor, Department of Medicine
Division of Hematology and Oncology
Division of Hematology and Oncology
Disease Teams:
Cancer Institute, Bone Marrow Transplantation Team
Cancer Institute, Leukemia and Lymphoma Team
Cancer Institute, Leukemia and Lymphoma Team
Clinical Trials
Protocol for a Research Sample Repository for Allogeneic Hematopoietic Stem Cell Transplantation
T-Cell Exhaustion in Allogeneic Hematopoietic Stem Cell Transplantation for Acute Myelogenous Leukemia
A Multicenter Access and Distribution Protocol for Unlicensed Cryopreserved Cord Blood Units (CBUs) for Transplantation in Pediatric and Adult Patients with Hematologic Malignancies and Other Indications
Protocol for a Research Database for Hematopoietic Cell Transplantation, other Cellular Therapies and Marrow Toxic Injuries.
Assessment of Allogeneic Hematopoietic Cell Transplantation in Medicare Beneficiaries with Multiple Myeloma: A Study to Develop Evidence of Effectiveness for the Centers for Medicare and Medicaid Services (CMS)
Recent Publications
2024
Pu, JJ, Berger, KN, Zheng, C, Do, N, Claxton, DF, Ehmann, WC, Drabick, JJ, Li, H, Loughran, TP & Epner, EM 2024, 'A phase I study using bortezomib (Velcade), cladribine, and rituximab in treating patients over 50 years old with mantle cell lymphoma', Frontiers in Oncology, vol. 14, 1449401. https://doi.org/10.3389/fonc.2024.1449401
Zulch, E, Inoue, Y, Cioccio, J, Rakszawski, K, Songdej, N, Nickolich, M, Zheng, H, Naik, S, Rybka, W, Ehmann, C, Sivik, J, Mierski, J, Silar, B, Vajdic, C, Greiner, R, Brown, V, Hohl, R, Claxton, D, Shike, H, Paules, CI, Mineishi, S & Minagawa, K 2024, 'Impact of post-transplant cyclophosphamide and splenomegaly on primary graft failure and multi-lineage cytopenia after allogeneic hematopoietic cell transplantation', Leukemia Research, vol. 143, 107530. https://doi.org/10.1016/j.leukres.2024.107530
Khosla, A, Inoue, Y, Cioccio, J, Rakszawski, K, Songdej, N, Nickolich, M, Zheng, H, Naik, S, Ehmann, C, Claxton, D, Rybka, W, Sivik, J, Mierski, J, Silar, B, Vajdic, C, Hohl, R, Shike, H, Mineishi, S & Minagawa, K 2024, 'Recurrent disease after a matched sibling hematopoietic transplant in an aplastic anemia patient with a disease risk allele, HLA-B*40:02', Blood Transfusion, vol. 22, no. 6, pp. 525-528. https://doi.org/10.2450/BloodTransfus.674
Zhang, R, Shang, Y, Cioccio, J, Rakszawski, K, Nickolich, M, Ehmann, C, Inoue, Y, Naik, S, Rybka, W, Zheng, H, Mierski, J, Silar, B, Liao, J, Greiner, R, Brown, V, Claxton, D, Ning, J, Zhou, S, Mineishi, S, Minagawa, K & Shike, H 2024, 'Sensitivity and Specificity of Chimerism Tests in Predicting Leukemia Relapse Using Increasing Mixed Chimerism', Journal of Molecular Diagnostics, vol. 26, no. 12, pp. 1159-1170. https://doi.org/10.1016/j.jmoldx.2024.09.003
2023
Jia, B, Zhao, C, Minagawa, K, Shike, H, Claxton, DF, Ehmann, WC, Rybka, WB, Mineishi, S, Wang, M, Schell, TD, Prabhu, KS, Paulson, RF, Zhang, Y, Shultz, LD & Zheng, H 2023, 'Acute Myeloid Leukemia Causes T Cell Exhaustion and Depletion in a Humanized Graft-versus-Leukemia Model', Journal of Immunology, vol. 211, no. 9, pp. 1426-1437. https://doi.org/10.4049/jimmunol.2300111
Zhou, H, Jia, B, Annageldiyev, C, Minagawa, K, Zhao, C, Mineishi, S, Ehmann, WC, Naik, SG, Cioccio, J, Wirk, B, Songdej, N, Rakszawski, KL, Nickolich, MS, Shen, J & Zheng, H 2023, 'CD26lowPD-1+ CD8 T cells are terminally exhausted and associated with leukemia progression in acute myeloid leukemia', Frontiers in immunology, vol. 14, 1169144. https://doi.org/10.3389/fimmu.2023.1169144
Potiaumpai, M, Schmitz, KH, Mineishi, S, Naik, S, Wirk, B, Rakszawski, K, Ehmann, WC, Claxton, D, Nickolich, M, Zemel, BS & Zheng, H 2023, 'IMPROVE-BMT: A protocol for a pilot randomised controlled trial of prehabilitation exercise for adult haematopoietic stem cell transplant recipients', BMJ open, vol. 13, no. 1, e066841. https://doi.org/10.1136/bmjopen-2022-066841
2022
Cioccio, J, Rakszawski, K, Zheng, H, Nickolich, M, Naik, S, Wirk, B, Rybka, W, Ehmann, C, Silar, B, Vajdic, C, Shah, N, Tuanquin, L, Greiner, R, Brown, V, Hohl, R, Claxton, D, Mineishi, S, Minagawa, K & Shike, H 2023, 'Donor HLA mismatch promotes full donor T-cell chimerism in the allogeneic stem cell transplant with reduced-intensity conditioning and post-transplant cyclophosphamide GVHD prophylaxis', Annals of Hematology, vol. 102, no. 3, pp. 613-620. https://doi.org/10.1007/s00277-022-05077-2
Shah, N, Cioccio, J, Rakszawski, K, Zheng, H, Nickolich, M, Naik, S, Wirk, B, Rybka, W, Ehmann, C, Silar, B, Vajdic, C, Mierski, J, Zhou, S, Shike, H, Greiner, R, Brown, V, Hohl, R, Claxton, D, Mineishi, S, Minagawa, K & Tuanquin, L 2022, 'Low-dose total body irradiation promotes T-cells donor chimerism in reduced-intensity/non-myeloablative allogeneic stem cell transplant with post-transplant cyclophosphamide', Leukemia Research, vol. 123, 106969. https://doi.org/10.1016/j.leukres.2022.106969
Pizzola, CJ, Cioccio, J, Rakszawski, KL, Nickolich, M, Ehmann, WC, Rybka, WB, Wirk, B, Naik, S, Zheng, H, Silar, B, Shike, H, Zhou, S, Mineishi, S, Minagawa, K & Claxton, DF 2022, 'Non-myeloablative allogeneic stem cell transplant with fludarabine and reduced dose cyclophosphamide in acute myeloid leukemia for older adults with comorbidities', Bone Marrow Transplantation, vol. 57, no. 11, pp. 1743-1745. https://doi.org/10.1038/s41409-022-01821-4
Zhao, C, Bartock, M, Jia, B, Shah, N, Claxton, DF, Wirk, B, Rakszawski, KL, Nickolich, MS, Naik, SG, Rybka, WB, Ehmann, WCC, Hohl, RJ, Valentin, J, Bernas-Peterson, M, Gerber, EM, Zimmerman, M, Mierski, JA, Mineishi, S & Zheng, H 2022, 'Post-transplant cyclophosphamide alters immune signatures and leads to impaired T cell reconstitution in allogeneic hematopoietic stem cell transplant', Journal of Hematology and Oncology, vol. 15, no. 1, 64. https://doi.org/10.1186/s13045-022-01287-3
2021
Jia, B, Zhao, C, Bayerl, M, Shike, H, Claxton, DF, Ehmann, WC, Mineishi, S, Schell, TD, Zheng, P, Zhang, Y, Shultz, LD, Prabhu, KS, Paulson, RF & Zheng, H 2022, 'A novel clinically relevant graft-versus-leukemia model in humanized mice', Journal of Leukocyte Biology, vol. 111, no. 2, pp. 427-437. https://doi.org/10.1002/JLB.5AB0820-542RR
Shah, N, Rakszawski, K, Nickolich, M, Ehmann, C, Wirk, B, Naik, S, Rybka, W, Zheng, H, Mierski, J, Silar, B, Mackey, G, Greiner, R, Brown, V, Claxton, D, Mineishi, S & Minagawa, K 2021, 'Improved outcome in AML relapse after allogeneic transplant with high-intensity chemotherapy followed by 2nd allogeneic stem cell transplant or donor lymphocyte infusion', Annals of Hematology, vol. 100, no. 10, pp. 2585-2592. https://doi.org/10.1007/s00277-021-04616-7
Gvozdjan, K, Casey, H, Mowery, C, Kumer, L, Fisher, C, Tyler, J, Bayerl, MG, Malysz, J, Naik, S, Rybka, W, Ehmann, C, Claxton, D, Mineishi, S, Baker, M, Hong, Z & Shike, H 2021, 'Unexpected Short-Tandem-Repeat Patterns in Post-Transplant Chimerism Testing: Investigation of 3 Cases with Help from Forensic Science', Laboratory Medicine, vol. 51, no. 6, pp. 635-641. https://doi.org/10.1093/LABMED/LMAA022