The military is looking for ways to slow down 'biological time' in order to save wounded soldiers

The military, concerned about conflict with a more capable foe, is looking to ensure the "golden hour" for wounded troops.
DARPA's latest initiative, a program looking for ways to slow down the body's biological processes, is part of efforts to extend that period.
The program is still very young, but the military has spearheaded other medical advances in the past.

The Defense Advanced Research Projects Agency is looking at ways to change how the human body manages time in order to improve wounded soldiers' chances of survival and recovery.

DARPA has set up the Biostasis program to use molecular biology as a way to evaluate and possibly alter the speed at which living systems operate with the goal of extending the window of time between a damaging event and the collapse of those systems.

Such an extension would expand the "golden hour" — the period of time between injury or infection and the first treatment that is regarded as one of the most important factors in saving a life on the battlefield.

"At the molecular level, life is a set of continuous biochemical reactions, and a defining characteristic of these reactions is that they need a catalyst to occur at all," Tristan McClure-Begley, the Biostasis program manager, said in a DARPA release.

"Within a cell, these catalysts come in the form of proteins and large molecular machines that transform chemical and kinetic energy into biological processes," he added.

"Our goal with Biostasis is to control those molecular machines and get them to all slow their roll at about the same rate so that we can slow down the entire system gracefully and avoid adverse consequences when the intervention is reversed or wears off," McClure-Begley said.

The Defense Department policy that ensures wounded troops are moved off the battlefield for care within the first hour after injury has been credited with the military's nearly 98% survival rate, Rear Adm. Colin G. Chinn, Joint Staff surgeon, said in mid-February.

But the Pentagon's shifting focus to near-peer adversaries — ones with considerable firepower and air capabilities — have raised questions about whether the golden hour can endure in future conflicts.

Right now, the Biostasis program is focused on developing and testing proof-of-concept technologies. Similar Biostasis technologies could yield other medical benefits by reducing reaction times and extending the shelf life of blood and other biological products.

The US military is looking at other ways to boost the body's ability to respond to and recovery from injury.

Earlier this year, doctors and researchers at the Military Health System Research Symposium discussed regenerative medicine and its uses — in particular the possibility of regenerating limbs, muscles, and nerve tissue.

"Extremity wounds are increasingly survivable due to the implementation of body armor and damage-control surgeries," Saunders said. "[There are] many wonderful things emerging in the field of regenerative medicine to restore form and function to our wounded warfighters."

The technologies in question are far from practical application. But the military, working under wartime imperatives, has made rapid medical advances in the past. In the run-up to World War II, an Army commission secured FDA approval for a flu vaccine — the first one in the US — in just two years.

The military is looking for ways to slow down 'biological time' in order to save wounded soldiers

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