In recent years, there’s been a lot of talk about how “Big Data” stands to revolutionize biomedical research. Indeed, we’ve already gained many new insights into health and disease thanks to the power of new technologies to generate astonishing amounts of molecular data—DNA sequences, epigenetic marks, and metabolic signatures, to name a few. But what’s often overlooked is the value of combining all that with a more mundane type of Big Data: the vast trove of clinical information contained in electronic health records (EHRs).
In a recent study in Science Translational Medicine , NIH-funded researchers demonstrated the tremendous potential of using EHRs, combined with genome-wide analysis, to learn more about a common, chronic disease—type 2 diabetes. Sifting through the EHR and genomic data of more than 11,000 volunteers, the researchers uncovered what appear to be three distinct subtypes of type 2 diabetes. Not only does this work have implications for efforts to reduce this leading cause of death and disability, it provides a sneak peek at the kind of discoveries that will be made possible by the new Precision Medicine Initiative’s national research cohort, which will enroll 1 million or more volunteers who agree to share their EHRs and genomic information.
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Readers of this blog know how excited I am about the potential of precision medicine for revolutionizing efforts to treat disease and improve human health. So, it stands to reason that I’m delighted by the positive reactions of researchers, health professionals, and the public to a much-anticipated report from the Precision Medicine Initiative (PMI) Working Group of the Advisory Committee to the NIH Director. Topping the report’s list of visionary recommendations? Build a national research cohort of 1 million or more Americans over the next three to four years to expand knowledge and practice of precision medicine.
When the President announced PMI during his 2015 State of the Union address, he envisioned a precise new era in medicine in which every patient receives the right treatment at the right time—an era in which health care professionals have the resources at hand to take into account individual differences in genes, environments, and lifestyles that contribute to disease. To achieve this, PMI’s national research cohort would tap into recent advances in science, technology, and research participation policies to build the knowledge base needed to develop individualized care for all diseases and conditions.
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