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Charles Chiu, MD, PhD, Associate Professor of Laboratory Medicine and Medicine / Infectious Diseases, UC San Francisco
Current tests in clinical microbiology laboratories fail to diagnose many life-threatening infections in a timely fashion, resulting in increased health care costs and likelihood of death. UCSF has pioneered the use of a state-of-the-art sequencing test, called metagenomic next-generation sequencing (NGS), to reveal the cause of unknown infections that routinely elude physicians. NGS allows for much faster “decoding” of genetic material than was previously possible.
UCSF researchers aim to provide the first-ever demonstration of precision medicine in infectious diseases by implementing this technology to diagnose brain and blood infections in 300 critically ill, hospitalized patients at three UC medical centers over 18 months.
They will validate the test in a licensed clinical laboratory to ensure sensitivity and accuracy, analyze the sequencing data using a secure cloud computing platform linked to the patient electronic medical record, and create a multidisciplinary "precision medicine" consult team to interpret results and guide treatment. Importantly, they will critically evaluate the impact of this test on overall costs and clinical outcomes. The immediate goal is to develop a clinically reimbursable, self-sustaining test that can be used for precision diagnosis of infectious diseases in hospitalized patients. Ultimately, the aim is to leverage nonprofit and industry partners to make this test widely accessible to patients in California and beyond.
Read a case study of a 14-year-old boy with encephalitis accurately diagnosed by Chiu’s technique.
UC San Francisco
UC Los Angeles
Quest Diagnostics, Inc.
California Department of Public Health (CDPH)
Children’s National Medical Center
St. Jude’s Children Research Hospital
Children’s Hospital Los Angeles
Children’s Hospital Colorado / University of Colorado
In order to achieve its goals, the PDAID project requires additional funds beyond those provided by CIAPM. The state’s contribution to the project is significantly leveraged by generous donations from the Sandler and the William F. Bowes, Jr., foundations for a total of $2.4 million, and by additional funding from the Charles and Helen Schwab foundation. In addition, PDAID is funded by research awards that, together, amount to close to $400,000.