School of Medicine
Showing 21-40 of 73 Results
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Mark A. Kay, M.D., Ph.D.
Dennis Farrey Family Professor of Pediatrics, and Professor of Genetics
Current Research and Scholarly InterestsMark A. Kay, M.D., Ph.D. Director of the Program in Human Gene Therapy and Professor in the Departments of Pediatrics and Genetics. Respected worldwide for his work in gene therapy for hemophilia, Dr. Kay and his laboratory focus on establishing the scientific principles and developing the technologies needed for achieving persistent and therapeutic levels of gene expression in vivo. The major disease models are hemophilia, hepatitis C, and hepatitis B viral infections.
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Debra Lee Kaysen
Professor of Psychiatry and Behavioral Sciences (Public Mental Health and Population Sciences)
Current Research and Scholarly InterestsMuch of my current research focus is on the development of testing of accessible, scaleable, and effective treatments for trauma-related disorders and related comorbidities (e.g. substance use disorders, HIV, mood disorders). This work has focused on addressing trauma-related disorders especially in underserved populations and settings. This includes research in rural communities, with Native American communities, and with sexual minorities. My research has had a strong impact on building an evidence base on adaptations of psychotherapies for PTSD and substance use disorders for diverse populations both within and outside the United States. Our findings demonstrate that complex cognitive behavioral psychotherapies like Cognitive Processing Therapy can be culturally adapted and delivered in challenging settings (conflict settings, high poverty environments) with significant and lasting change in PTSD, depression, and functioning. This has led to work adapting CPT for diverse populations within the United States (rural Native Americans, urban Latinos) and outside of it (Iraq, DRC). Other research has focused on treatment for PTSD/SUD. My research has also found support for the use of brief telehealth interventions to build treatment engagement and to reduce drinking among trauma-exposed populations. In addition, my work has been critical in testing the feasibility of novel trauma-focused interventions for use by those with PTSD and SUD, thus paving the road for more rigorous research studies.
Current PI'ed research studies include: 1) developing and evaluating a brief motivational interviewing intervention designed to increase treatment-seeking among military personnel with untreated PTSD; a two-arm randomized comparative effectiveness trial to evaluate prevention of HIV/STI sexual risk behavior by addressing PTSD through Narrative Exposure Therapy or substance use through Motivational Interviewing among Native American men and women with PTSD; and 3) a comparison of outcomes among patients randomized to initially receive pharmacotherapy or Written Exposure Therapy delivered in primary care as well as comparing outcomes among patients randomized to treatment sequences (i.e., switching and augmenting) for patients who do not respond to the initial treatment. -
Kevin Kelley
Assistant Professor of Psychiatry and Behavioral Sciences (General Psychiatry and Psychology)
BioAs a neuroscientist and psychiatrist, I am motivated by how little we understand about the pathophysiology of psychiatric disorders and hope that further knowledge will help to alleviate the ongoing distress of many of our patients. My research program leverages computational genomics, human brain cellular models, and molecular neuroscience techniques to understand the cellular and molecular mechanisms of human brain development and how dysfunction in these processes lead to psychiatric disorders.
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John Kerner
Professor of Pediatrics (Gastroenterology), Emeritus
Current Research and Scholarly InterestsI am interested in pediatric nutritional support and have experience evaluating new enteral and parenteral products especially for the neonate (I studied a "new" I.V. fat product for Abbott; I participated in a multicenter trial of a formula with fish oil in it for neonates with Mead Johnson and a multicenter trial of a new human milk fortifier for Wyeth).
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Stephanie Tieu Kha
Clinical Assistant Professor, Orthopaedic Surgery
BioDr. Stephanie Kha is a Pediatric Orthopaedic Surgeon and Clinical Assistant Professor in the Department of Orthopaedic Surgery at Stanford University School of Medicine. She is dual-fellowship trained in pediatric limb deformity and reconstruction as well as pediatric orthopedic surgery. She completed her limb deformity fellowship at the International Center for Limb Lengthening in Baltimore, Maryland under the mentorship of Dr. Philip McClure, following a Pediatric Orthopaedic Surgery fellowship at Rady Children's Hospital in San Diego. During her fellowship, she received the Lena Sefton Clark Award by Rady Children's Hospital for outstanding performance in patient care, teaching, and research. She was recently awarded the 2026 Limb Deformity Education scholarship by the Lengthening and Reconstruction Society (LLRS). She completed her orthopaedic surgery residency at Stanford University, her medical education at Case Western Reserve University School of Medicine and her undergraduate degree in Biochemistry from the University of Arizona.
Dr. Kha's research include over 21 peer-reviewed publications which encompasses topics in pediatric limb deformity, physeal injury, trauma, and hip preservation. Nationally, she serves as a peer reviewer for the Journal of Pediatric Orthopaedics and is currently Vice Chair of the Core Curriculum Committee of the Pediatric Orthopaedic Society of North America (POSNA). -
Michelle Joanne Khan, MD, MPH, FACOG (she/her)
Clinical Professor, Obstetrics & Gynecology - General
Current Research and Scholarly InterestsDr. Khan's research focuses on prevention of HPV-related cancers of the cervix, vagina, vulva, and anus and on the impact of reproductive tract infections on pregnancy and health.
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Kajal Khanna
Clinical Associate Professor, Emergency Medicine
Clinical Associate Professor (By courtesy), PediatricsCurrent Research and Scholarly InterestsGlobal pediatric emergency medicine research, educational scholarship, pediatric emergency medical care in low- and middle- income countries and rights-based approaches to health systems development
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Nasim Sabery Khavari
Clinical Associate Professor, Pediatrics - Gastroenterology
Current Research and Scholarly InterestsPediatric Gastroenterology, Celiac Disease, Nutrition in Celiac Disease
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Paul A. Khavari, MD, PhD
Carl J. Herzog Professor of Dermatology in the School of Medicine
Current Research and Scholarly InterestsWe work in epithelial tissue as a model system to study stem cell biology, cancer and new molecular therapeutics. Epithelia cover external and internal body surfaces and undergo constant self-renewal while responding to diverse environmental stimuli. Epithelial homeostasis precisely balances stem cell-sustained proliferation and differentiation-associated cell death, a balance which is lost in many human diseases, including cancer, 90% of which arise in epithelial tissues.
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Chaitan Khosla
Wells H. Rauser and Harold M. Petiprin Professor and Professor of Chemistry and, by courtesy, of Biochemistry
Current Research and Scholarly InterestsResearch in this laboratory focuses on problems where deep insights into enzymology and metabolism can be harnessed to improve human health.
For the past two decades, we have studied and engineered enzymatic assembly lines called polyketide synthases that catalyze the biosynthesis of structurally complex and medicinally fascinating antibiotics in bacteria. An example of such an assembly line is found in the erythromycin biosynthetic pathway. Our current focus is on understanding the structure and mechanism of this polyketide synthase. At the same time, we are developing methods to decode the vast and growing number of orphan polyketide assembly lines in the sequence databases.
For more than a decade, we have also investigated the pathogenesis of celiac disease, an autoimmune disorder of the small intestine, with the goal of discovering therapies and related management tools for this widespread but overlooked disease. Ongoing efforts focus on understanding the pivotal role of transglutaminase 2 in triggering the inflammatory response to dietary gluten in the celiac intestine. -
Grace S. Kim, MD
Assistant Professor of Otolaryngology - Head & Neck Surgery (OHNS)
BioGrace S. Kim, MD is a pediatric otolaryngologist and surgeon-scientist in the Department of Otolaryngology–Head & Neck Surgery at Stanford University. Her clinical practice focuses on the full spectrum of pediatric otolaryngology, with particular expertise in hearing loss, chronic ear disease, thyroid disorders, vascular malformations and pediatric head and neck conditions. Her research investigates the immune mechanisms underlying congenital hearing loss and inner ear injury, with the goal of developing therapies to preserve hearing in children.
Dr. Kim received her BA in Biochemical Sciences from Harvard University and her MD from Stanford University School of Medicine, where she also completed an additional year of research as a Howard Hughes Medical Institute Research Fellow. She completed residency training in otolaryngology–head and neck surgery at Stanford, including a two-year NIH-sponsored research fellowship investigating vestibular repair and regeneration, followed by fellowship training in complex pediatric otolaryngology at Stanford.
Dr. Kim joined the Stanford faculty in 2023. She leads a translational research program investigating inner ear neuroimmunology and congenital hearing loss, using animal models to understand how congenital cytomegalovirus infection and immune responses impact the developing auditory system. Her long-term goal is to develop targeted therapies that prevent hearing loss in children. Her work is supported by an NIH Mentored Clinical Scientist Research Career Development (K08) Award, as well as funding from the American Society of Pediatric Otolaryngology and the Stanford Maternal & Child Health Research Institute.