Human trials have shown that hydrogel injections are a promising, effective treatment for chronic lower back pain caused by degenerative disc disease (DDD). The treatment is far less invasive than other surgeries, and has been given FDA approval.

Spinal discs play an important role in cushioning the vertebrae, but as with many parts of the body they begin to wear out with age. In many people, the fluid filling of the discs can dry up or leak out, causing pain and affecting mobility. Unfortunately, treatments are largely limited to care like rest, physical therapy and painkillers, or in more severe cases, surgery where discs are removed or replaced with prosthetics.

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But recently, scientists have developed a new option – a hydrogel that can be injected into the spine where it fills in cracks and tears in the affected disc, restoring some of its cushioning to alleviate pain. Developed by the medical company ReGelTec, the gel is known as Hydrafil, and in 2020 it received a Breakthrough Device designation from the US FDA. And now the results of the first human trials are in.

Read more: New Atlas