
Overview
Dr. Matthias Holdhoff is a medical oncologist and co-director of the Brain Cancer Disease Group at the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins. He is a professor of oncology, neurology and neurological surgery at Johns Hopkins University School of Medicine. Dr. Holdhoff’s expertise is in primary brain cancers and central nervous system lymphomas. He earned his medical degree from Freie Universität Berlin, received his doctorate degree at Charité University Medicine Berlin. Dr. Holdhoff completed residency training in internal medicine at Johns Hopkins Bayview Medical Center, followed by a fellowship in medical oncology at Johns Hopkins Hospital with research training at the Ludwig Center for Cancer Genetics and Therapeutics (Kinzler-Vogelstein lab). As a clinical investigator in neuro-oncology, his research is focused on novel trials and translational biomarker studies in malignant gliomas and primary central nervous system lymphomas. He has led and contributed to numerous clinical trials, publications and presentations. Dr. Holdhoff serves as the director of the solid tumor inpatient service at the Sidney Kimmel Comprehensive Cancer Center. He is passionately involved in mentoring and teaching of fellows, residents and students. He is the director of the UCNS-certified neuro-oncology fellowship program at Johns Hopkins, and he is a teaching attending physician for the Osler internal medicine residency program.
Dr. Holdhoff is highly rated in 19 conditions, according to our data. His top areas of expertise are Glioma, Glioblastoma, Astrocytoma, and Brain Tumor.
His clinical research consists of co-authoring 120 peer reviewed articles and participating in 12 clinical trials. MediFind looks at clinical research from the past 15 years.
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Locations
201 North Broadway Street, Viragh BLDG 5th FL, Viragh BLDG 5th FL, Baltimore, MD 21287
5255 Loughboro Road Northwest, Building B, Washington, DC 20016
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
12 Clinical Trials
Skip Viragh Outpatient Cancer Center
Stuart Grossman, M.D., is a professor of oncology at the Johns Hopkins Kimmel Cancer Center. He has served as Principal Investigator and Director of the Central Operations office of the National Cancer Institute-funded phase I/II brain tumor consortia (New Approaches to Brain Tumor Therapy CNS Consortium and the Adult Brain Tumor Consortium) for the past 22 years. He has led many phase I, II, and III institutional and cooperative group translational and clinical brain cancer research projects. Dr. Grossman's expertise is in brain cancers, translational and clinical research, and directing large, multicenter, multidisciplinary clinical trial groups and training programs. Dr. Grossman was an intern and resident at Strong Memorial Hospital in Rochester, NY, and a fellow at the Johns Hopkins University School of Medicine. He received his M.D. from the University of Rochester. Dr. Grossman is highly rated in 16 conditions, according to our data. His top areas of expertise are Glioblastoma, Astrocytoma, Glioma, and Gliomatosis Cerebri.
Sidney Kimmel Comprehensive Cancer Center
Dr. DeZern is a Professor of Oncology and Medicine at The Johns Hopkins University School of Medicine. She is active in the Division of Hematology Malignancies, Leukemia Program at the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins. Dr. DeZern has expertise in aplastic anemia, myelodysplastic syndromes, paroxysmal nocturnal hemoglobinuria, acute myeloid leukemia, and bone marrow transplantation. Dr. DeZern received her medical degree at The Johns Hopkins University School of Medicine. She completed a residency in internal medicine at Johns Hopkins, followed by fellowships in medical oncology and hematology, as well as obtained a Masters in Clinical Investigations at the Bloomberg School of Public health. Dr. DeZern is a member of the American Society of Hematology, the American Society of Clinical Oncology, and the American Society for Transplantation and Cellular Therapy. Dr. DeZern’s principle research activities consist of designing and conducting clinical trials that test investigational new therapies and approaches in the treatment of bone marrow failure (aplastic anemia and myelodysplastic syndromes). She has specific expertise in the use of alternative donor bone marrow transplantation in patients with severe aplastic anemia and trials of novel therapeutics for patients with myelodysplastic syndromes. Additionally, she has taken a rigorous approach to the study of diagnostics and supportive case (such as transfusion practices) in these patient populations. She is or has been the Principal Investigator for a number of multicenter trials in collaboration with the MDS Clinical Research Consortium, the Eastern Co-operative Oncology Group (ECOG)-ACRIN and now the Bone Marrow Trials Clinical Trials Network (BMTCTN). She is the Study Chair for the multi-site BMTCTN study (CHAMP) investigating the role of haploidentical donor transplantation using post-transplantation cyclophosphamide in patients with relapsed several aplastic anemia. Dr. DeZern is the local PI as well as the Deputy Chair for The National MDS Study, a collaborative natural history study of the NHLBI and the NCI. As a clinical investigator with a focus on translation of novel treatments to the clinic, Dr. DeZern’s goal is to improve outcomes for patients with bone marrow failure at the bedside and in her research environment. Dr. Dezern is highly rated in 27 conditions, according to our data. Her top areas of expertise are Myelodysplastic Syndrome (MDS), Chronic Myelomonocytic Leukemia (CMML), Acute Myeloid Leukemia (AML), Bone Marrow Transplant, and Bone Marrow Aspiration.
Skip Viragh Outpatient Cancer Center
Dr. Michael A. Carducci is the AEGON Professor in Prostate Cancer Research at the Johns Hopkins University School of Medicine. He serves as the Vice Chair of Solid Tumor Oncology in the Department of Oncology. Dr. Carducci has an expertise in various types of cancer including prostate, kidney, and testicular. He also has an expertise in clinical trials, pain and palliative care for oncology, urological oncology, urology and medical oncology. A graduate of Georgetown University, Dr. Carducci received his medical degree with high distinction from Wayne State University School of Medicine. He completed an internal medicine internship, residency and chief residency at the University of Colorado Health Sciences Center. He went on to complete medical oncology and research fellowships at the Johns Hopkins Oncology Center at Johns Hopkins Hospital. He was promoted to Professor of Oncology and Urology in 2008 and installed into the inaugural AEGON Professorship in Prostate Cancer Research in 2009. He served as Co-Director of the GU Oncology program until 2013. In 2013, he assumed the leadership role of Associate Director for Clinical Research until being named Vice-Chair of Solid Tumor Oncology in 2024. A fellow of the American College of Physicians and a fellow of the American Society of Clinical Oncology, Dr. Carducci has received peer-reviewed funding for his clinical research from the National Cancer Institute, Department of Defense, and the Prostate Cancer Foundation. Mentorship of students, fellows, and junior faculty has been another focus of Dr. Carducci’s career in medicine, receiving numerous teaching awards. Dr. Carducci received the Michaele Christian Award and Lectureship for Oncology Drug Development at the National Cancer Institute in 2011. He chaired the Genitourinary Oncology Committee of ECOG-ACRIN from 2011-2024. In this role, he served on the GU Steering Committee for the NCI. Dr. Carducci is a member of the Investigational Drug Steering Committee for the NCI, and chaired that Committee for four years. He served as Associate Editor for GU Cancers for the Journal of Clinical Oncology from 2013-2024. Overall, his clinical research focus is on the development and evaluation of new therapies for urologic cancers. Incorporation of pharmacodynamics, novel biomarkers, and targeted imaging has been key elements of many of the trials led by Dr. Carducci. To complete these studies, Dr. Carducci facilitates and brings together a multidisciplinary team from urologists, radiation oncologists, pathologists, biostatisticians, and medical oncologists. Other areas of interest include palliative and end of life care, survivorship, and use of patient reported outcomes in clinical research and care. This provider is registered with the Florida Department of Health to perform telehealth services for patients in Florida. Dr. Carducci is highly rated in 16 conditions, according to our data. His top areas of expertise are Prostate Cancer, Chromophobe Renal Cell Carcinoma, Renal Cell Carcinoma (RCC), Hormone Replacement Therapy (HRT), and Orchiectomy.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Elite
- AstrocytomaDr. Holdhoff isElite. Learn about Astrocytoma.
- Brain TumorDr. Holdhoff isElite. Learn about Brain Tumor.
- GlioblastomaDr. Holdhoff isElite. Learn about Glioblastoma.
- GliomaDr. Holdhoff isElite. Learn about Glioma.
- Gliomatosis CerebriDr. Holdhoff isElite. Learn about Gliomatosis Cerebri.
- OligodendrogliomaDr. Holdhoff isElite. Learn about Oligodendroglioma.
- Distinguished
- Atypical Teratoid Rhabdoid Tumor (ATRT)Dr. Holdhoff isDistinguished. Learn about Atypical Teratoid Rhabdoid Tumor (ATRT).
- Embryonal Tumor with Multilayered RosettesDr. Holdhoff isDistinguished. Learn about Embryonal Tumor with Multilayered Rosettes.
- EpendymomaDr. Holdhoff isDistinguished. Learn about Ependymoma.
- Metastatic Brain TumorDr. Holdhoff isDistinguished. Learn about Metastatic Brain Tumor.
- NeuroepitheliomaDr. Holdhoff isDistinguished. Learn about Neuroepithelioma.
- Pediatric Low-Grade Glioma (pLGG)Dr. Holdhoff isDistinguished. Learn about Pediatric Low-Grade Glioma (pLGG).
- Advanced
- Brain Stem CancerDr. Holdhoff isAdvanced. Learn about Brain Stem Cancer.
- Dysembryoplastic Neuroepithelial Tumors (DNET)
- MedulloblastomaDr. Holdhoff isAdvanced. Learn about Medulloblastoma.
- Non-Hodgkin LymphomaDr. Holdhoff isAdvanced. Learn about Non-Hodgkin Lymphoma.
- Experienced
- B-Cell LymphomaDr. Holdhoff isExperienced. Learn about B-Cell Lymphoma.
- Metastatic Pleural TumorDr. Holdhoff isExperienced. Learn about Metastatic Pleural Tumor.
- Neural Crest TumorDr. Holdhoff isExperienced. Learn about Neural Crest Tumor.
- NeuroblastomaDr. Holdhoff isExperienced. Learn about Neuroblastoma.
- PineoblastomaDr. Holdhoff isExperienced. Learn about Pineoblastoma.

