Jason Dragoo’s Stanford University research team gets 100 to 200 inquiries every day from people interested in joining its clinical trial studying the use of stem cells to treat knee injuries.

The interest highlights a growing demand for the use of stem cells derived from a person’s own bone marrow or fat to treat orthopedic injuries. Osteoarthritis, a degenerative joint disease where the protective tissue or cartilage around a joint wears down, is a particular focus of inquiry.

...