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Blood Test Could Detect DNA from Cancerous Cells: A Liquid Biopsy
Scientists at Hopkins are working on developing a test that can rapidly sequence cellular DNA in a blood sample for early diagnosis of cancer, which could have a tremendous potential in asymptomatic subtypes of the disease.
Vogelstein is among the most highly cited scientists in the world. He was described, in the 1980s, as having broken into “the cockpit of cancer” after he and coworkers at Johns Hopkins University showed for the first time exactly how a series of DNA mutations, adding up silently over decades, turn cells cancerous. Damaged DNA, he helped prove, is the cause of cancer.
Now imagine you could see these mutations—see cancer itself—in a vial of blood. Nearly every type of cancer sheds DNA into the bloodstream, and Vogelstein’s laboratory at Johns ­Hopkins has developed a technique, called a “liquid biopsy,” that can find the telltale genetic material.
The technology is made possible by instruments that speedily sequence DNA in a blood sample so researchers can spot tumor DNA even when it’s present in trace amounts. The ­Hopkins scientists, working alongside doctors who treat patients in Baltimore’s largest oncology center, have now studied blood from more than a thousand people. They say liquid biopsies can find cancer long before symptoms of the disease arise.
Original report: http://bit.ly/1sRk5X3
Source: MIT Technology Review
Exploring Racial, Ethnic Disparities in Cancer Care Prior Authorization Decisions
October 24th 2024On this episode of Managed Care Cast, we're talking with the author of a study published in the October 2024 issue of The American Journal of Managed Care® that explored prior authorization decisions in cancer care by race and ethnicity for commercially insured patients.
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Uniting to Support Patients With Cancer Beyond Treatment
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April 25th 2024On this episode of Managed Care Cast, we're talking with the authors of a study published in the April 2024 issue of The American Journal of Managed Care® about their findings on the rates of low-value cancer care services throughout the COVID-19 pandemic.
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Bridging Cancer Care Gaps and Overcoming Medical Mistrust
November 13th 2024In this clip from our interview with Oscar B. Lahoud, MD, cochair of our Institute for Value-Based Medicine® evening hosted with NYU Langone Health, he addressed medical mistrust in underrepresented communities.
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How English- and Spanish-Preferring Patients With Cancer Decide on Emergency Care
November 13th 2024Care delivery innovations to help patients with cancer avoid emergency department visits are underused. The authors interviewed English- and Spanish-preferring patients at 2 diverse health systems to understand why.
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