Carolyn A. Felix, MD

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Carolyn A. Felix, MD, is an attending physician at the Cancer Center at Children's Hospital of Philadelphia, with an expertise in treating leukemia in children.

Areas of Expertise: Leukemia as a complication of anticancer treatment, Leukemia in infants, Molecular pathogenesis of childhood leukemia
Locations: Main Hospital
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

Education and Training

Medical School

MD - Boston University School of Medicine, Boston, MA


Pediatrics - Children's Hospital of Pittsburgh, PA


Pediatrics - Children's Hospital of Pittsburgh, PA


Medical Staff Fellow - National Cancer Institute, Pediatric Branch, NIH, Bethesda, MD
Biotechnology Fellow - Pediatric Branch, National Cancer Institute, Bethesda, MD

Board Certification

Hematology – American Board of Internal Medicine
Pediatrics – American Board of Pediatrics

Titles and Academic Titles

Attending Physician

Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania

Departments and Services




Urtishak KA, Robinson BW, Rappaport EF, Sarezky MD, Biegel JA, Nichols KE, Wilmoth DM, Wang LS, Stern JW, Felix CA. Unique Familial MLL(KMT2A)-Rearranged Precursor B-Cell Infant Acute Lymphoblastic Leukemia in Non-twin Siblings. Pediatr Blood Cancer. 2016 Jul;63(7):1175-80. doi: 10.1002/pbc.25957. Epub 2016 Mar 21. PMID: 26999444.


Peng M, Ostrovsky J, Kwon Y, Polvak E, Licata J, Tsukikawa M, Marty E, Thomas J, Felix CA, Xiao R, Zhang Z, Gasser D, Argon Y, Falk M. Inhibiting cytosolic translation and autophagy improves health in mitochondrial disease. Hum Mol Genet [Epub 2015 Jun 3. doi: 10.1093/hmg/ddv207] Accession number 26041819


Dreyer, Z.E., Hilden, J.M., Jones, T., Devidas, M., Winick, N.J., Willman, C.L., Harvey, R.C., Chen, I.-M., Behm, F.G., Pullen J., Wood, B.L., Carroll A.J., Heerema, N.A., Felix, C.A., Robinson, B., Reaman G.H., Salzer,W.L., Hunger, S.P., Carroll, W.L., Camitta, B.M. Intensified chemotherapy without SCT in infant ALL: Results from COG P9407 (Cohort 3). Pediatr Blood Cancer. 62(3) 419-426,2015 [Epub Nov 2014. doi: 10.1002/pbc.25322]


Barker DE, Dragnani TA, Dunnick JK, Felix CA, Ferguson LR, Joel SP, von Kries R, van Leeuwen FE, Little J, Olin S, Olsen JH, Poirier MC, Shearer MJ, Slikker Jr, W, Sullivan FM, Tursov V, Walker VE. IARC Monographs on the Evaluation of Carcinogenic Risks to Humans, Vol. 76. Lyon: IARC Press, 2000.



O'Sullivan MJ, Felix CA, Fletcher JA. Chapter 45. Cytogenetic and Molecular Pathology of Pediatric Cancer. In: Orkin SH, Fisher DE, Look AT, Lux SE, Ginsburg D, Nathan DG, editors. Oncology of Infancy and Childhood. 8th ed. Philadelphia: Saunders Elsevier; 2015.


Felix CA. Therapy-Related Leukemias. In: Pui, CH, editor. Childhood Leukemias. 3rd Ed.  Cambridge (UK): Cambridge University Press; 2012. p. 723-771.


Brown PA, Felix CA. Molecularly Targeted Therapy for Infant ALL. In: Arceci RJ, Houghton PJ, editors. Molecularly Targeted Therapy for Childhood Cancer. New York (NY): Springer Science; 2010. p. 31-58.


O'Sullivan MJ, Fletcher JA, Felix CA. Chapter 5. Cytogenetic and Molecular Pathology of Pediatric Cancer. In: Orkin SH, Fisher DE, Look AT, Lux SE, Ginsburg D, Nathan DG, editors. Oncology of Infancy and Childhood. 7th ed. Philadelphia (PA): Saunders Elsevier; 2009. p. 99-174.


Felix CA. Chapter 29. Secondary Myelodysplasia/Acute Myeloid Leukemia. In: Young NS, Gerson SL, High KA, editors. Clinical Hematology. 1st ed. Philadelphia (PA): Elsevier; 2006. p. 374-389.

Felix CA. Chapter 31. Therapy-Related Leukemias. In: Pui CH, editor. Childhood Leukemias. 2nd ed. Cambridge (UK): Cambridge University Press; 2006. p. 774-804.


Iannone R, Pulsipher M, Slayton W, Felix CA. A review of hematopoietic stem cell transplantation for infant acute lymphoblastic leukemia with MLL gene rearrangement. (Minireview) In: Cotter FE, editor. BloodMed. Oxford (UK): Blackwell Publishing; 2004.


Felix CA. Chemotherapy-related second cancers. In: Neugut AI, Meadows AT, Robinson E, editors. Multiple Primary Cancers: Incidence, Etiology, Diagnosis and Prevention. Baltimore (MD): Williams & Wilkins; 1999. p. 137-164.


Kirsch IR, Aplan PD, Begley CG, Bertness V, Felix CA, Lipkowitz S, Nakahara K, Nussmeier M, Reynolds L, Seibel N, Stern MH, Tchorz K. Abnormal antigen receptor formation in normal, ataxia-telangiectasia, and malignant lymphocytes. In: The Molecular Basis of Immune Diseases, Miami Biotechnology Winter Symposia. IRL Press/Oxford University Press; 1990. p. 22-24, 1990.


Felix CA, Korsmeyer SJ. Immunology and molecular biology of lymphomas. In: Roth J, Ruckerderschel J, Weisenburger T, editors. Thoracic Oncology. Orlando (FL): W.B. Saunders;1998. p. 403-447.


Graninger W, Wright JJ, Felix CA, Korsmeyer SJ. Characterization of acute leukemia using lineage associated molecular probes. In: Stass SA, editor. The Acute Leukemias: Biologic, Diagnostic, and Therapeutic Determinants. New York (NY): Marcel Decker, Inc.; 1987. p. 299-325.

Kirsch IR, Bertness V, Denny C, Felix CA, Seibel N, Hollis GF. Gene rearrangements in B and T-cells. In: Gale RP, Rai K, editors. Chronic Lymphocytic Leukemia: Recent Progress, Future Directions. New York (NY): Alan R. Liss, Inc.; 1987. p. 1-10.


Korsmeyer SJ, Bakhshi A, Wright JJ, Graninger WC, Felix CA, Seto M. Molecular markers of clonality, lineage, differentiation, and translocation in B-cell neoplasms. In: Ferrarini M, editor. The Molecular Basis of B-Lymphocyte Differentiation and Function. New York (NY): Plenum Press; 1986. p. 131-139.

Posters and Presentations


Urtishak, K.A., Wang, L.-S., Teachey, D.T., Tasian, S.K., Barrett, J.S., Chen, I-M.L., Atlas, S.R., Harvey, R.C., Heerema, N.A., Carroll, A.J., Hunger, S.P., Willman, C.L., Felix, C.A. PI3K/AKT/mTOR Signaling is a Significant Druggable Pathway in Infant Acute Lymphoblastic Leukemia (ALL). Proc 55th Annual Meeting American Society of Hematology, 2013. (Presented by K. Urtishak)

Invited Lectures


“Dysregulated Gene Expression and Molecular Targeting of Infant ALL”, ACC Hematologic Malignancies Program / Normal & Malignant Hematopoiesis RAG Joint Retreat, Philadelphia, PA, September 2014.


“Pharmacologic Targeting of Cell Death and Signaling Alterations in Infant ALL,” CHOP Research Institute 2013 Scientific Symposium: Collaboration Fueling Discovery; in Plenary Session II: Mito Cell, the Search for a Signal Answer, Philadelphia, PA, May 2013.

“Flow Cytometric Assays in Therapeutic Targeting of Infant ALL,” PennFlow 2013: Measuring the Life and Death of a Cell, Philadelphia, PA, April 2013.

Awards and Honors

2012, Joshua Kahan Endowed Chair in Pediatric Leukemia

2007, America's Top Doctors For Cancer

2006, Eagles Fly for Leukemia Award for Excellence in Treatment of Pediatric Cancer Patients

2006, Association of American Physicians (Elected Member)

2005-2006, 2009-2012, Philadelphia Magazine Top Doctors

2003, Society for Pediatric Research (Elected Member)

2001, Stohlman Scholar Award, Leukemia & Lymphoma Society

2000, Honorary Master of Arts Degree, University of Pennsylvania

2000, Eastern Pennsylvania Chapter Leukemia & Lymphoma Society Distinguished Leadership Award

1999, Klaus and Mary Hummeler Endowed Research Prize, The Children's Hospital of Philadelphia

1999, Eastern Pennsylvania Chapter Leukemia Society of America Distinguished Leadership Award

1992, American Society of Clinical Oncology Young Investigator Award

1991, American Association for Cancer Research Travel Award

1990, American Society of Pediatric Hematology-Oncology Young Investigator Award

1988, American Society of Hematology Travel Award

1987, American Society of Clinical Oncology Young Investigator in Training Travel Award

1977, Alpha Sigma Nu

1977, Alpha Epsilon Delta

1976, Phi Beta Kappa-junior year induction

1977, Graduated summa cum laude - Boston College, Chestnut Hill, MA

1973-1977, Boston College Honors Program

Editorial and Academic Positions

Editorial Positions

2013-present, Blood, editorial board

2004-2014, Pediatric Blood & Cancer, editorial board

Ad Hoc Reviewer

American Journal of Hematology

American Journal of Human Genetics



British Journal of Cancer

British Journal of Haematology


Cancer Genetics and Cytogenetics

Cancer Letters

Cancer Research

Clinical Cancer Research

Clinical and Diagnostic Laboratory Immunology

Genes, Chromosomes and Cancer

International Journal of Pediatric Hematology/Oncology

Journal of Clinical Investigation

Journal of Clinical Oncology

Journal of the National Cancer Institute

Journal of Pediatrics


Molecular Diagnosis

New England Journal of  Medicine


Pediatric Blood & Cancer

Proceedings of the National Academy of Sciences

The American Journal of Human Genetics

The Journal of Pediatric Hematology-Oncology

European Journal of Hematology 

Academic and Institutional Committees

2011-2014, Hearings List for the Faculty Grievance Commission

2004-present, Research Affinity Group (RAG) Council, Joseph Stokes, Jr. Research Institute

2003-present, Normal and Malignant Hematopoiesis Research Affinity Group Leader

1999-present, University of Pennsylvania School of Medicine Combined Degree Admissions/Advisory Committee

1998, Founding Member, Center for Cancer Pharmacology, University of Pennsylvania Cancer Center

Leadership and Memberships

Memberships in Professional Organizations

2006-present, Association of American Physicians

2003-present, Society for Pediatric Research

2000-present, Children’s Oncology Group

1999-present, American Association for the Advancement of Science

1994-present, American Society of Hematology

1992-present, American Society of Clinical Oncology

1991-present, American Association for Cancer Research

1988-present, American Society of Pediatric Hematology-Oncology