First read out from a neutralizing antibody clinical trial. A step in the right direction for this class of drugs that could be used in many ways vs #COVID19.
Why is this important? 1. This is the 1st clinical trial of a drug specifically designed for #SARSCoV2. All previous trials were repurposed drugs (HCQ, dexamethasone, Remdesivir, etc). Safety data are encouraging
2. The class of drugs has the potential to be used as a prevention in high-risk individuals, and intervention in mild to moderate covid (as in the current trial) or severe, subcritical. The data from non-human primates supports this multi-pronged use.
3. The issues of difficulty in producing the antibodies at scale and their likely high cost are barriers to keep in mind, beyond the fact that real proof of efficacy has yet to be established.
4. Nonetheless, before having a safe and effective vaccine, mAbs represent our best near term shot of a potent therapy. They haven't attracted as much attention as vaccines, since they represent a bridge, not a definitive exit strategy. These days all positive news is welcome.
Physical activity and the reduction of all-cause mortality, from 2 very large prospective cohorts 1. The relationship is non-linear, suggesting a threshold effect for many types of exercise as seen below
2. Engaging in > 1 type of physical activity was generally correlated with better outcomes compared with 1 type (T1,2,3)
People age 70+ should not be taking aspirin at any dose for prevention. Results of randomized trials show higher risk of all-cause mortality, major bleeding events and deaths from cancer. p 153, SUPER AGERS book
President Trump takes 325 mg aspirin/day. The randomized trials tested 75-81 mg/day. His doctors recommended low-dose aspirin for heart event prevention. That recommendation is ill-founded based upon best evidence in older individuals. nejm.org/doi/full/10.10… academic.oup.com/eurheartj/arti…
As I wrote in SUPER AGERS, the immune system is the key to modulating our aging process and the opportunity to extend healthspan. Today @NatureAging 7 new articles, summarized here, that reinforce its central role nature.com/articles/s4358…
The new special issue @ScienceMagazine features Immunity with 4 outstanding review papers, 5★
Our immune system over the lifespan, sex differences, influence on physiology, and host antiviral defenses science.org/toc/science/cu…
We've learned a lot more about the principal drivers of age-related diseases in the past few weeks. And that leads to a unified model to pull it all together. (open-access)
I review 4 new reports, summarized here: 1. The proteins from senescent cells predict age-related clinical outcomes 2. A new epigenetic age clock connects the dots between aging, the immune system, inflammation and lifestyle factors 3. People with a fast pace of aging had an increased risk of cognitive impairment, age-related diseases, disability, and mortality 4. The Importance of “Immune Resilience” for Healthspan
And present a unified I/I model for what we now know
Most people haven’t heard of this test, which is available in the US. It accurately predicts Alzheimer’s (not just if there’s a risk, but when). It is favorably affected by exercise and likely many other lifestyle factors.
Here’s (almost) everything we know about it. In Ground Truths (link in my profile d/t X-suppression)