Maleewan Kitcharoensakkul, MD, MSCI  

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Assistant Professor of Pediatrics, Rheumatology
Assistant Professor of Pediatrics, Allergy, Immunology and Pulmonary Medicine
Associate Program Director, Pediatric Rheumatology Fellowship Program
RheumatologyAllergy, Immunology and Pulmonary Medicine

phone: (314) 454-2694

Clinical Interests

Dr. Kitcharoensakkul is an Assistant Professor of Pediatrics at Washington University School of Medicine. She received her medical degree, first class honor, from Mahidol University in Thailand. Dr. Kitcharoensakkul completed her pediatric residency and fellowships in Allergy, Immunology, and Pediatric Rheumatology at St. Louis Children’s Hospital, Washington University School of Medicine. She is a member of the American Academy of Allergy, Asthma, & Immunology (AAAAI), the American College of Asthma, Allergy, & Immunology (ACAAI), the Clinical Immunology Society (CIS), and the American College of Rheumatology (ACR). Dr. Kitcharoensakkul’s clinical interests include Primary Immunodeficiency, Allergic diseases (urticaria, asthma, allergic rhinitis,food allergy,and mastocytosis), and Rheumatologic diseases in children.


  • MD, First Class Honor, Mahidol University2002
  • MSCI, Washington University in St. Louis2019


  • Intern/Pediatrics, Srinagarind Hospital, Khon Kaen University2003 - 2004
  • Resident/Pediatrics, Srinagarind Hospital, Khon Kaen University2004 - 2006
  • Intern/Pediatrics, St Louis Children's Hospital, Washington University School of Medicine2008 - 2009
  • Resident/Pediatrics, St Louis Children's Hospital, Washington University School of Medicine2009 - 2011
  • Fellow, Allergy/Immunology and Pediatric Rheumatology, St Louis Children's Hospital, Washington University School of Medicine2011 - 2015

Licensure and Board Certification

  • American Board of Allergy and Immunology
  • American Board of Pediatric Rheumatology
  • American Board of Pediatrics
  • AR Arkansas State Medical License
  • IL, Illinois State Medical License
  • MO, Missouri State Medical License

Honors and Awards

  • Chief Resident Award, Department of Pediatrics, St. Louis Children's Hospital, Washington University School of Medicine2009
  • Travel Grant Award, The American Academy of Pediatrics, Section on Allergy and Immunology2010
  • James P. Keating Outstanding Resident Award2011
  • Fellow-in-Training, Clinical Immunology Society's School in Primary Immunodeficiency Diseases2013
  • Thirteenth Gilstrap Award for Immunology Research2013
  • Distinguished Young Investigator Award in the Fellow's category of Clinical Research. Tenth Annual Respiratory Disease Young Investigator's Forum2014
  • Best Abstract in Clinical Research, Department of Pediatrics Annual Research Retreat2015
  • Travel Grant Award, CIS/AAAAI Diagnostic School in Primary Immunodeficiency Diseases2018
  • Lecturer of the Month, Pediatric Residency Program, St. Louis Children's Hospital2018
  • Fellow Status, The American Academy of Allergy, Asthma & Immunology2019
  • Outstanding Teacher Award in Pediatric Subspecialty, St. Louis Children's Hospital2020
  • Castle Connolly Regional Top Doctors2021
  • Academy of Educators Honor Roll Award2021

Recent Publications view all (35)

  1. Immunological Findings and Clinical Outcomes of Infants With Positive Newborn Screening for Severe Combined Immunodeficiency From a Tertiary Care Center in the U.S. Front Immunol. 2021;12:734096. PMCID:PMC8446381  PMID:34539671 
  2. X-linked Chronic Granulomatous Disease Presenting with Mediastinal Lipoblastoma and Adjacent Pneumonia. J Clin Immunol. 2021. PMID:34462840 
  3. Patterns of etanercept use in juvenile idiopathic arthritis in the Childhood Arthritis and Rheumatology Research Alliance Registry. Pediatr Rheumatol Online J. 2021;19(1):131. PMCID:PMC8380401  PMID:34419107 
  4. Community poverty level influences time to first pediatric rheumatology appointment in Polyarticular Juvenile Idiopathic Arthritis. Pediatr Rheumatol Online J. 2021;19(1):122. PMCID:PMC8364108  PMID:34391453 
  5. Improved disease course associated with early initiation of biologics in untreated polyarticular Juvenile Idiopathic Arthritis: A trajectory analysis of the STOP-JIA study. Arthritis Rheumatol. 2021. PMID:34105303 
  6. The Childhood Arthritis & Rheumatology Research Alliance Start Time Optimization of Biologics in Polyarticular Juvenile Idiopathic Arthritis Study (STOP-JIA): A Comparative Effectiveness Study of CARRA Consensus Treatment Plans for Untreated Polyarticular JIA. Arthritis Rheumatol. 2021. PMID:34105312 
  7. Hematologically important mutations: X-linked chronic granulomatous disease (fourth update). Blood Cells Mol Dis. 2021;90:102587. PMID:34175765 
  8. The Heart of the Matter: Secondary Hypogammaglobulinemia and Constrictive Pericarditis. Pediatrics. 2021;147(6). PMID:34049957 
  9. Delivering clinical trials at home: protocol, design and implementation of a direct-to-family paediatric lupus trial. Lupus Sci Med. 2021;8(1). PMID:33963084 
  10. A Case of Severe Combined Immunodeficiency Missed by Newborn Screening. J Clin Immunol. 2021. PMCID:PMC7954206  PMID:33712943 
  11. Immunodeficiency and bone marrow failure with mosaic and germline TLR8 gain-of-function. Blood. 2020. PMID:33512449 
  12. Juvenile Spondyloarthritis in the CARRA Registry: High Biologic Use, Low Prevalence of HLA-B27, and Equal Sex Representation in Sacroiliitis. Arthritis Care Res (Hoboken). 2020. PMID:33331139 
  13. Recovery from COVID-19 in a Child with Chronic Granulomatous Disease and T Cell Lymphopenia. J Clin Immunol. 2020. PMID:33108551 
  14. Lung function trajectories and bronchial hyperresponsiveness during childhood following severe RSV bronchiolitis in infancy. Pediatr Allergy Immunol. 2020. PMID:33098584 
  15. A Novel CYBB Variant Causing X-Linked Chronic Granulomatous Disease in a Patient with Empyema. J Clin Immunol. 2020. PMID:33090293 
  16. The Down syndrome-associated arthritis Cohort in the new Childhood Arthritis and Rheumatology Research Alliance (CARRA) Registry: Clinical Characteristics, Treatment and Outcomes. Arthritis Care Res (Hoboken). 2020. PMID:33242376 
  17. Impaired tumor necrosis factor‐α secretion by CD4 T cells during respiratory syncytial virus bronchiolitis associated with recurrent wheeze Immun Inflamm Dis. 2020;1-10. doi:  PMID:31901157 
  18. Ecallantide: An Alternative Treatment of Refractory Angioedema in Adolescents with Systemic Lupus Erythematosus. J Allergy Clin Immunol Pract. 2019. PMID:31541765 
  19. A Case-Based Review on the Diagnosis and Treatment Options for Recurrent Wheezing and Asthma in Preschool Children Curr Treat Options Allergy. 2019. doi:10.1007/s40521-019-00227-w  
  20. Rheumatologic and autoimmune manifestations in primary immune deficiency. Curr Opin Allergy Clin Immunol. 2019. PMID:31425194 
  21. Using only a subset of pneumococcal serotypes is reliable for the diagnosis of specific antibody deficiency in children: a proof-of-concept study. Pediatr Allergy Immunol. 2019. PMID:30681739 
  22. Novel Combined Immunodeficiency, Hypogammaglobulinemia, Bone marrow failure and Radiosensitivity due to Pathogenic mutation in MysM1 Ann Allergy Asthma Immunol. 2018;121(5):S105. doi:10.1016/j.anai.2018.09.345  
  23. A Pediatric Case of Protein-Losing Enteropathy induced by Cow's Milk Ann Allergy Asthma Immunol. 2017;119(5):S81-82. doi:10.1016/j.anai.2017.08.233  
  24. ATS Core Curriculum 2017: Part II. Pediatric Pulmonary Medicine. Ann Am Thorac Soc. 2017;14(Supplement_2):S165-S181. PMID:28857623 
  25. Sarcoidosis presenting as granulomatous myositis in a 16-year-old adolescent. Pediatr Rheumatol Online J. 2016;14(1):59. PMID:27832822 
  26. Temporal biological variability in dendritic cells and regulatory T cells in peripheral blood of healthy adults. J Immunol Methods. 2016;431:63-5. PMCID:PMC4801223  PMID:26859243 
  27. Increased Nasal Plasmacytoid Dendritic Cells Are Associated with Recurrent Wheezing Following Severe RSV Bronchiolitis J Allergy Clin Immunol. 2016;137(2):AB411. doi:10.1016/j.jaci.2015.12.1321  
  28. Snoring and sleep problems in children with and without allergic rhinitis: a case control study. J Med Assoc Thai. 2015;98 Suppl 2:S138-44. PMID:26211115 
  29. The Utility of Preimmunization and Postimmunization Titers to 23 Serotypes of Streptococcus Pneumoniae in the Diagnosis of Specific Antibody Deficiency in Children J Allergy Clin Immunol. 2015;135(2):AB91. doi:10.1016/j.jaci.2014.12.1230  
  30. Scurvy revealed by difficulty walking: three cases in young children. J Clin Rheumatol. 2014;20(4):224-8. doi:10.1097/RHU.0000000000000101  PMID:24847751 
  31. Localized myositis as a manifestation of systemic-onset juvenile idiopathic arthritis: Case Series from a Tertiary-Care Hospital Arthritis & Rheumatology. 2014;66(S3):S103. 
  32. The heart and pediatric rheumatology. Rheum Dis Clin North Am. 2014;40(1):61-85. doi:10.1016/j.rdc.2013.10.008  PMID:24268010 
  33. The use of electroconvulsive therapy in a patient with juvenile systemic lupus erythematosus and catatonia. Lupus. 2012;21(14):1575-81. doi:10.1177/0961203312464803  PMID:23161578 
  34. Vancomycin-induced DRESS with evidence of T-cell activation in a 22-month-old patient. Ann Allergy Asthma Immunol. 2012;109(4):280-1. doi:10.1016/j.anai.2012.07.016  PMID:23010236 
  35. Efficacy of cefditoren pivoxil and amoxicillin/clavulanate in the treatment of pediatric patients with acute bacterial rhinosinusitis in Thailand: a randomized, investigator-blinded, controlled trial. Clin Ther. 2008;30(10):1870-9. doi:10.1016/j.clinthera.2008.10.001  PMID:19014842 
Last updated: 10/14/2021
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