Julian Allen, MD

Julian Allen, MD, is chief of the Division of Pulmonary Medicine and director of the Asthma Program at The Children’s Hospital of Philadelphia.

Areas of Expertise: Asthma, Bronchopulmonary dysplasia, Cystic fibrosis, Neuromuscular disease and chest wall disorders, Pulmonary complications of sickle cell disease
Locations: Main Campus
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

  • Education and Training

    Medical School

    MD - Columbia University College of Physicians and Surgeons, New York, NY


    Pediatrics - Babies Hospital, New York, NY


    Pediatric Pulmonology - Children's Hospital Boston, Boston, MA

    Board Certification

    Pediatric Pulmonology

  • Titles and Academic Titles

    Chief, Division of Pulmonary Medicine

    Robert Gerard Morse Endowed Chair in Pulmonary Medicine

    Director, Asthma Program

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

  • Departments and Services
  • Research Interests

    Physiology of the chest wall, and tests of respiratory muscle function. Applications to clinical care of children with neuromuscular disease, chronic lung disease and chronic respiratory failure.

    Integrating systems of asthma care across the Children's Hospital Healthcare system. Supported by a grant from the Pew Charitable Trusts.

    The relationship between episodic asthma and hypoxemia and  painful episodes in children with sickle cell disease. Supported by a grant from the National Heart Lung and Blood Institute, National Institutes of Health.

  • Publications


    Allen JL, Panitch HB, Rubenstein R, editors. Cystic Fibrosis. Lung Biology in Health and Disease series. New York: Informa Publishing; 2010.



    Mayer OH, Allen JL. Chest wall and spinal deformities. In: Light MJ, Homnick DN, Schechter MS, Blaisdell CJ, Weinberger MM, eds. Pediatric pulmonology. Elk Grove Village, IL: American Academy of Pediatrics; 2011.


    Allen JL, Gripp K. Development of the thoracic cage. In: Haddad GG, Abman SH, Chernick V, editors. Chernick-Mellins: basic mechanisms of pediatric respiratory disease. Philadelphia: B.C. Decker;  2002. 

    Weiner DJ, Allen JL. Pulmonary physiology.  In: Festa CJ, editor. Clinical guidelines for mechanical ventilation. Newtown (PA): Handbooks in Healthcare;  2002.


    Allen JL, Wohl MEB. Chest wall and neuromuscular disease. I:n Taussig L, Landau L, editors. Textbook of pediatric respiratory medicine. Philadelphia: Mosby Year Book, Inc.; 1999.


    Allen JL, Sivan Y. Chest wall function. In: Stocks J, Sly P, Tepper R, Morgan W, editors. Infant respiratory function testing. New York: Wiley-Liss; 1996.



    Caboot JB, Jawaf AF, Mcdonuogh JM, Bowdre CY, Arens R, Marcus CL, et al. Non-invasive measurement of carboxyhemoglobin and methemoglobin in children with sickle cell disease. Pediatr Pulmonol. 2012 Aug;47(8):808-15. doi: 10.1002/ppul.22504. Epub 2012 Feb 10. Cited in PubMed; PMID 22328189. Read the abstract

    Arkin LM, Flory JH, Shin DB, Gelfand JM, Treat JR, Allen J, et al. High prevalence of aquagenic wrinkling of the palms in patients with cystic fibrosis and association with measurable increases in transepidermal water loss. Pediatr Dermatol. 2012 Apr 4. doi: 10.1111/j.1525-1470.2011.01708.x. [Epub ahead of print]. Cited in PubMed; PMID 22471628. Read the abstract

    Elia J, Laracy S, Allen J, Nissley-Tsiopinis J, Borgmann-Winter K. Epigenetics: genetics versus life experiences. Curr Top Behav Neurosci. 2012;9:317-40. Cited in PubMed; PMID 21728139. Read the abstract


    Huang J, Pinto SJ, Allen JL, Arens R, Bowdre CY, Jawad AF, et al. Upper airway genioglossal activity in children with sickle cell disease. Sleep. 2011 Jun 1;34(6):773-8. Cited in PubMed; PMID 21629365. Read the article

    Rogers VE, Marcus CL, Jawad AF, Smith-Whitley K, Ohene-Frempong K, Bowdre C, et al. Periodic limb movements and disrupted sleep in children with sickle cell disease. Sleep. 2011 Jul 1;34(7):899-908. Cited in PubMed; PMID 21731140. Read the article


    Sutton RM, Niles D, Nysaether J, Stavland M, Thomas M, Ferry S, et al. Effect of residual leaning force on intrathoracic pressure during mechanical ventilation in children. Resuscitation. 2010 Jul;81(7):857-60. Epub 2010 Apr 20. Read the abstract

    Allen J. Pulmonary complications of neuromuscular disease: a respiratory mechanics perspective. Paediatr Respir Rev. 2010 Mar;11(1):18-23. Epub 2009 Dec 2. Cited in PubMed; PMID 20113987. Read the abstract

    Sleiman P, Flory J, Imielinski M, Bradfield J, Annaiah K, Willis-Owen S, et al. Variants of DENND1B associated with pediatric asthma in children. N Engl J Med. 2010 Jan 7;362(1):36-44. Epub 2009 Dec 23. Cited in PubMed; PMID 20032318. Read the abstract

    Sutton R, Niles D, Nysaether J, Stavland M, Thomas M, Ferry S, et al. Effect of residual leaning force on intrathoracic pressure during mechanical ventilation in children. Resuscitation. 2010 Jul;81(7):857-60. Epub 2010 Apr 20. Cited in PubMed; PMID 20409628. Read the abstract

  • Editorial and Academic Positions

    Editorial positions

    2003-present, Editorial Board, Pediatric Pulmonology