Joud Hajjar, M.D., PhD, M.S.
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Positions
- Associate Professor
-
Medicine-Immun, Allergy & Rheum
Baylor College of Medicine
Houston, TX US
- Service Chief, adult allergy and immunology
-
Pediatrics
Texas Children's Hospital
- Faculty
-
The Center of Human Immunobiology
Addresses
- 6701 Fannin Street (Clinic)
-
9th floor
Houston, TX 77030
United States
Phone: (832) 824-1319
joud.hajjar@bcm.edu
Education
- MS from Baylor College of Medicine
- 07/2017 - Houston, Texas United States
- Clinical Investigations
- Fellowship at Virginia Commonwealth University
- 07/2013 - Richmonad, United States
- Allergy and Immunology
- Fellowship at M. D. Anderson Cancer Center
- 06/2011 - Houston, United States
- Hospice and Palliative Care
- Residency at American University of Beirut
- 06/2007 - Beirut, Lebanon
- Internal Medicine
- Residency at Indiana University
- 06/2010 - Indianapolis, United States
- Internal Medicine
- Internship at Indiana University
- 06/2008 - Indianapolis, United States
- Internal Medicine
- MD from University of Alleppo
- 01/2004 - Aleppo, Syria
- PhD from Baylor College of Medicine
- 01/2023 - Houston
Honors & Awards
- Norton Rose Fulbright Faculty Excellence Award, 2020
- TX Top Docs, 2020
- Castle Connolly’s Top Doctors for 2020
- Castle Connolly’s Exceptional Women in Medicine for 2019
- Castle Connolly’s Top Doctors for 2019
- TX TopDocs 2019
- Castle Connolly’s Exceptional Women in Medicine for 2020
Professional Interests
- Primary Immunodeficiency
Professional Statement
Dr. Hajjar’s research is focused on the interplay of the microbiome and immune dysregulation in the antibody deficient host.Websites
Selected Publications
- Jiang Y, Firan M, Nandiwada SL, Reyes A, Marsh RA, Vogel TP, Hajjar J. "The Natural History of X-Linked Lymphoproliferative Disease (XLP1): Lessons from a Long-Term Survivor." Case Reports Immunol. 2020 Aug 26; Pubmed PMID: 32908732
- Noroski L, Das S, Hajjar J. "Case 40-2018: A Woman with Recurrent Sinusitis, Cough, and Bronchiectasis." N Engl J Med. 2019 Apr 4;380(14):1383. Pubmed PMID: 30943358
- Joud Hajjar, Nguyen AL, Constantine G, Kutac C, Syed MN, Orange JS, Sullivan KE "Prophylactic Antibiotics Versus Immunoglobulin Replacement in Specific Antibody Deficiency." J Clin Immunol. 2020 Jan;40(1):158-164. Pubmed PMID: 31758281
- Hajjar J, Al-Kaabi A, Kutac C, Dunn J, Shearer WT, Orange JS "Questioning the accuracy of currently available pneumococcal antibody testing." J Allergy Clin Immunol. 2018 Oct;142(4):1358-1360. Pubmed PMID: 29936105
- Chinn IK, Chan AY, Chen K, Chou J, Dorsey MJ, Hajjar J, Jongco AM 3rd, Keller MD, Kobrynski LJ, Kumanovics A, Lawrence MG, Leiding JW, Lugar PL, Orange JS, Patel K, Platt CD, Puck JM, Raje N, Romberg N, Slack MA, Sullivan KE, Tarrant TK, Torgerson TR "Diagnostic interpretation of genetic studies in patients with primary immunodeficiency diseases: A working group report of the Primary Immunodeficiency Diseases Committee of the American Academy of Allergy, Asthma & Immunology." J Allergy Clin Immunol. 2020 Jan;145(1):46-69. Pubmed PMID: 31568798
- Heimall JR, Hagin D, Hajjar J, Henrickson SE, Hernandez-Trujillo HS, Tan Y, Kobrynski L, Paris K, Torgerson TR, Verbsky JW, Wasserman RL, Hsieh EWY, Blessing JJ, Chou JS, Lawrence MG, Marsh RA, Rosenzweig SD, Orange JS, Abraham RS "Use of Genetic Testing for Primary Immunodeficiency Patients." J Clin Immunol. 2018 Apr;38(3):320-329. Pubmed PMID: 29675737
Memberships
- The Clinical Immunology Society
- Member
- The American Academy of Allergy, Asthma and Immunology
- Member
Funding
- Fatigue in Common Variable Immunodeficiency Grant funding from The Immune Deficiency Foundation
- Persistent lung infections in primary antibiody deficiency Grant funding from The US immunodeficiency Network
- Fatigue, Inflammation and the Microbiome in patients with Common Variable Immunodeficiency Disorders Grant funding from The Chao Physician-Scientist Award
- Improving transition of patients with primary immunodeficiency to adult care Grant funding from The Jeffrey Modell Foundation
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