New therapy offers long-term pain relief without addiction

Credit: Unsplash+

A new treatment using stem cells may offer real hope to people living with long-term joint pain. A company called SereNeuro Therapeutics has shared exciting results about a new therapy called SN101.

This treatment does not rely on opioids or other addictive drugs. Instead, it uses special stem cells to manage pain and protect joints from further damage. The new findings were recently presented at a global science event focused on stem cell therapies.

Chronic pain affects millions of people worldwide, especially those with osteoarthritis. This disease causes the cartilage—the smooth tissue at the ends of bones—to wear down over time. As the cartilage breaks down, bones rub against each other, causing pain, swelling, and stiffness.

Common treatments like steroid injections may ease the pain for a short time, but they can also speed up joint damage. In some cases, they may even make things worse.

SN101 takes a very different approach. This new treatment is made from stem cells called induced pluripotent stem cells (iPSCs).

These are lab-grown cells that can be turned into many types of human cells. In this case, the scientists turned them into pain-sensing nerve cells known as nociceptors. These are the cells that usually tell the brain when something hurts.

But here’s the surprising part: the SN101 cells don’t actually send pain signals to the brain. Instead, they soak up the chemicals that cause pain and inflammation. Think of them like a sponge that absorbs the bad stuff.

As a result, they reduce pain without creating more. Even better, they release helpful substances that may help the body repair damaged cartilage. That means SN101 is not just treating the pain—it may also be helping to fix the joint.

This makes SN101 very different from other pain treatments. For example, some drugs try to block only one pathway that causes pain, like Nav 1.8 inhibitors.

These are limited because they only target a single type of pain signal. SN101, on the other hand, is designed to interact with all the known pain pathways in the body at once. This gives it a better chance of working for different people with different kinds of pain.

The researchers also compared SN101 to corticosteroids, which are commonly used today. While steroids can reduce pain for a while, they often damage the joint in the long run. Dr. Daniël Saris, a professor at the Mayo Clinic, pointed out that SN101 does the opposite—it protects the joint and helps preserve the tissue, while also easing the pain.

The team behind SN101 includes leading scientists like Dr. Gabsang Lee from Johns Hopkins University. He explained that this therapy could be a new way to fight chronic pain, especially for people with osteoarthritis. Because SN101 is made from stem cells and not from drugs, it doesn’t carry the same risk of addiction as opioids.

In reviewing the findings, it’s clear that SN101 offers a new direction in treating chronic joint pain. It not only relieves pain but also supports long-term joint health. This is especially important because current treatments often come with trade-offs—short-term relief but long-term damage. SN101 appears to break that pattern.

However, more research is still needed before SN101 can become widely available. The data so far is based on preclinical studies, which means it hasn’t yet been tested in large groups of people. But the early results are promising and suggest that SN101 may one day offer a safer, more effective option for people living with painful joint conditions.

If you care about pain, please read studies about how to manage gout with a low-purine diet, and a guide to eating right for arthritis.

For more health information, please see recent studies about the link between processed foods and chronic diseases, and avoid these 8 foods to ease arthritis pain.

Copyright © 2025 Knowridge Science Report. All rights reserved.