Breaking News

CAR-T therapy for glioblastoma, genetic protection against severe Covid-19, & a nurse who accidentally killed a patient speaks out 

March 14, 2024
Annalisa-Merelli-avatar-teal
General Assignment Reporter

Buongiorno a tutti, especially those of you who are still mourning that hour of sleep they lost on the weekend and could do with fewer hours of daylight anyway! (We are a minority, but we do exist.) In good news today, two small preliminary trials showed promising effects of CAR-T treatment for glioblastoma. Plus, a blood test to detect colon cancer.

health care

A former nurse who accidentally killed a patient discusses the incident

AP22133541598921

Nicole Hester / The Tennessean via AP

RaDonda Vaught is a former nurse who accidentally killed a 75-year-old patient in 2017 after administering the wrong drug — a paralyzing agent rather than a sedative. Vaught, who spoke to a virtual audience of CommonSpirit Health employees about the incident, now runs a family-owned farm but makes money speaking about the accident, with fees ranging from $7,500 to $10,000, reports my colleague Tara Bannow.

The former nurse was convicted of two felony counts in 2022 (negligent homicide and gross neglect of an impaired adult), but, in her talk, she pointed to issues at a Vanderbilt hospital that played a part in her mistake: a failure of electronic records, an automatic drug dispenser that didn't flag the mistake, and supply disruption caused by a hurricane in Puerto Rico.

While some think health care practitioners would benefit from testimonies such as Vaught's, others criticized CommonSpirit Health's choice of speaker, noting that they missed a chance to celebrate the work of more competent nurses. Read more.


research

Studies offer hope that CAR-T therapy can fight a deadly brain cancer

CAR-T, a treatment based on modifying a patient's own white blood cells, may be effective against glioblastoma multiforme, or GBM, an incurable cancer that kills 10,000 Americans a year, according to a series of small new studies.

The most striking result was published in the New England Journal of Medicine. A 72-year-old man saw his cancer shrink by 18.5% in two days; two months after treatment began, it shrank 60%. The response has lasted five months so far. Generally, responses need to last at least six months to impact survival. In a separate study, published in Nature Medicine, CAR-T treatment shrank tumors in six patients with more advanced glioblastomas. The results weren't sufficient to be considered a response, but the treatment was well tolerated. 

The encouraging results don't mean the treatments are ready for wide use, but they signal that researchers may be on the right track, write Matt Herper and Jason Mast.  "I've been in the field 25 years and my perspective is that this is the best strategy that's come along," said Donald O'Rourke, a neurosurgeon who was a senior author on the Nature Medicine paper. Read more.


covid-19

A study links a gene variant with protection against severe Covid-19 

In a new paper published in the Journal of Infectious Diseases, researchers from NYU Grossman School of Medicine found that a gene variant may protect against severe Covid-19.

According to the paper, the way the gene exercises its protective effect is by tamping down inflammation following SARS-CoV-2 infection, which can lead to tissue damage. The study, conducted through genetic analysis of blood samples, showed that carriers of the specific gene variant were less likely to develop severe Covid-19 and up to 80% less likely to die from it.

The protective effects of the variant seemed limited to men below 75. While the study points to possible avenues for severe Covid-19 prevention, it may have limited practical effects at this point, considering the majority of Covid-19 patients who get severely ill or die tend to be 75 and up. Read more.



first opinion

What health care could learn from financial sector regulations

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Adobe 

Weeks after a cyberattack took down claim and prescription processing giant Change Healthcare, the system has yet to be back up for its customers. The incident exposed the vulnerability of a system that, in the rush of digitalization, found itself reliant on a small number of big companies. 

Enforcing cybersecurity in the health care sector is essential, especially to protect patient records and personal information, and interventions have a template they can follow, write Jonathan Slotkin and David Vawdrey in First Opinion: the proactive cybersecurity mechanisms used in the financial sector. 

The authors suggest three key steps: create a dedicated authority that enforces rigorous cybersecurity standards for the health sector; "stress test" health care IT companies to check their ability to withstand attacks; and systematically investigate incidents. Read more


obesity revolution

Medicare may finally cover Wegovy now that it's a heart drug

The cardiac benefits of Novo Nordisk's obesity drug don't just expand its potential pool of patients — they also open the door to negotiations about Medicare coverage. The federal agency is currently forbidden by law from covering drugs for obesity alone. But Wegovy's new label reflects its success in reducing major heart complications and may make it eligible for coverage. The drug will also likely be covered by Medicaid, which has less discretion to refuse coverage of FDA-approved medications. 

This is good news for patients who have been hoping to get access to the drug, though not so much for the coffers of public insurance programs, writes Rachel Cohrs. Given the cost of the drug and the sizable population who may be eligible for it, the financial impact of coverage may be significant. Read more.


cancer

Guardant Health's new blood-based test is effective at detecting colon cancer

Guardant Health's blood-based test, known as Shield, is at least partially effective at detecting incipient or early colorectal cancer, according to newly published clinical trial results.

The test was 100% effective at detecting colorectal cancer at stage 2 or later, but it was not nearly as reliable in identifying stage 1 cancers or precancerous polyps. This means that the test is likely an important new addition to colorectal cancer detection tools, but its benefits will be seen mostly on patients who choose not to get routine screenings, and it should not replace early detection methods such as colonoscopies, writes Angus Chen.

Still, the results are probably strong enough to warrant FDA approval for the test, making insurance coverage easier to obtain. Read more


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Thanks for reading! More tomorrow — Nalis


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