Scientists are making progress in taking the pain out of aging

For many, retirement is marked by stiff, painful joints that reduce some of the pleasure from a time of leisure. But there’s some good news on the horizon.

Researchers are getting closer to treatments that could actually repair the damage caused by osteoarthritis — the most common form of arthritis and a leading cause of disability in older adults. 

The treatment moves beyond simply “managing pain.” For example, most of today’s treatments for osteoarthritis focus on easing symptoms. Patients are often prescribed medications, injections, or in more advanced cases, surgery to replace the joint entirely.

A different goal

But scientists involved in a new federally-funded effort say their goal is different: to treat the disease at its source.

“Our long-term goal is to help people stay active, independent, and mobile for longer,” said Dr. Benjamin Alman of Duke University, who is leading the research. 

Osteoarthritis affects more than 32 million Americans, many of them age 45 and older. It occurs when the cartilage that cushions joints breaks down over time, leading to pain, stiffness, and reduced mobility.

Encouraging early results

The new treatments are part of a national program focused on regenerative medicine — therapies designed to help the body heal itself.

Researchers are developing drug combinations that stimulate the repair of cartilage and underlying bone. In animal studies, these treatments restored joint tissue to near-normal levels and reduced signs of pain for extended periods. 

Other teams are exploring similar approaches, including injections or slow-release drugs that encourage damaged joints to rebuild tissue, and even experimental techniques to regrow entire joint structures. 

Experts say such advances could represent a major shift. Right now, available treatments “just modify symptoms,” one orthopedic researcher noted, adding that regrowing cartilage “would be a paradigm shift.”

What older adults should know

While the findings are promising, the treatments are still in early stages. So far, they have only been tested in animals, and results do not always translate directly to people.

Researchers are now preparing for safety testing and regulatory steps needed before human trials can begin — a process expected to take roughly 18 to 24 months. 

Even if trials are successful, it could take several more years before any therapy becomes widely available. For now, experts emphasize that current treatments — including exercise, physical therapy, and medications — remain important for managing symptoms.