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Augusto A. Litonjua, M.D., M.P.H.

Contact Information

Phone Numbers

Office: (585) 275-2464

Fax: (585) 275-8706

URMFGA member of the University of Rochester Medical Faculty Group

groupAn Accountable Health Partner

assignmentNot Accepting New Patients

Faculty Appointments

Patient Care Settings

Hospital Medicine, Pediatrics


Dr. Litonjua is interested in the management of asthma patients and how to better prevent asthma exacerbations. As part of this, the use of biologics and specific nutrients hold promise in the treatment of these patients.


Dr. Litonjua's research primarily deals with investigating factors that both increase and decrease the risk of developing asthma, wheezing, and allergic disorders in childhood. As part of this, he has investigated a broad range of prenatal and early life exposures including maternal diet, exposure to allergens, exposure to early life environment (e.g. pets, daycare attendance, air pollution, etc). He co-led a clinical trial of vitamin D supplementation in pregnancy to prevent asthma in the offspring.

He has an interest in identifying genetic and epigenetic marks that affect asthma development and is also working on the interaction between these genetic and epigenetic factors and environmental exposures on the development of asthma and allergies.

Dr. Litonjua has begun to examine the role of the gut microbiome and the environmental microbiome in early life on the development of asthma and allergies in children.



MD | University of the Philippines College of Medicine (Philippines)

MPH | Harvard School of Public Health

Post-doctoral Training & Residency

07/01/1995 - 06/30/1997
Fellowship in Epidemiology at Brigham & Womens Hospital

08/01/1992 - 06/30/1995
Fellowship in Pulmonary and Critical Care Medicine at West Virginia University Hospitals

07/01/1989 - 06/30/1992
Residency in Internal Medicine at Brooklyn Hospital Center-Downtown Campus

07/01/1988 - 06/30/1989
Internship in Internal Medicine at Brooklyn Hospital Center-Downtown Campus

05/01/1986 - 04/30/1987
Internship at Philippine General Hospital (Philippines)

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2018 - Present
American Thoracic Society Fellow
Sponsor: American Thoracic Society

Elected to membership of the American Pediatric Society

Outstanding Researcher – University of the Philippines Medical Alumni Society, Annual Homecoming,
Location: Makati, Philippines

Outstanding Achievement in Research – University of the Philippines Medical Alumni Society in America, Annual Grand Convention,
Location: Washinton, DC

1999 - Present
Fellow of the American College of Chest Physicians
Sponsor: American College of Chest Physicians

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Journal Articles

Chen YC, Chen Y, Lasky-Su J, Kelly RS, Stokholm J, Bisgaard H, Bønnelykke K, Pedersen CT, Chawes B, Laranjo N, Weiss ST, Litonjua AA, Lee-Sarwar K. "Environmental and genetic associations with aberrant early-life gut microbial maturation in childhood asthma." The Journal of allergy and clinical immunology.. 2023 Jan 14; Epub 2023 Jan 14.

Nanishi M, Chandran A, Li X, Stanford JB, Alshawabkeh AN, Aschner JL, Dabelea D, Dunlop AL, Elliott AJ, Gern JE, Hartert T, Herbstman J, Hershey GKK, Hipwell AE, Karagas MR, Karr CJ, Leve LD, Litonjua AA, McEvoy CT, Miller RL, Oken E, O'Shea TM, Paneth N, Weiss ST, Wright RO, Wright RJ, Carroll KN, Zhang X, Zhao Q, Zoratti E, Camargo CA, Hasegawa K, . "Association of Severe Bronchiolitis during Infancy with Childhood Asthma Development: An Analysis of the ECHO Consortium." Biomedicines.. 2022 Dec 22; 11(1)Epub 2022 Dec 22.

Kelly RS, Lee-Sarwar K, Chen YC, Laranjo N, Fichorova R, Chu SH, Prince N, Lasky-Su J, Weiss ST, Litonjua AA. "Maternal Inflammatory Biomarkers during Pregnancy and Early Life Neurodevelopment in Offspring: Results from the VDAART Study." International journal of molecular sciences.. 2022 Dec 3; 23(23)Epub 2022 Dec 03.

Books & Chapters

Chapter Title: Asthma: Epidemiology
Book Title: Fishman's Pulmonary Diseases and Disorders
Author List: Litonjua AA, Apter A, Weiss ST
Edited By: Grippi M, Elias J, Fishman J, Kotloff R, Pack A, Senior R
Published By: McGraw-Hill 2015 in New York

Book Title: Vitamin D and the Lung: Mechanisms and Disease Associations. Humana Press: New York, 2012.
Author List: Litonjua AA (Editor)
Published By: Humana Press 2012 in New York

Chapter Title: The role of vitamin D in the development, exacerbation, and severity of asthma and allergic diseases
Book Title: Vitamin D and the Lung: Mechanisms and Disease Associations
Author List: Litonjua AA
Edited By: Litonjua AA
Published By: Humana Press 2012 in New York