License to heal: UC Davis deal looks to advance stem cell treatment for bone loss and arthritis

Nancy Lane

Wei Yao and Nancy Lane of UC Davis: Photo courtesy UC Davis

There are many challenges in taking even the most promising stem cell treatment and turning it into a commercial product approved by the Food and Drug Administration (FDA). One of the biggest is expertise. The scientists who develop the therapy may be brilliant in the lab but have little experience or expertise in successfully getting their work through a clinical trial and ultimately to market.

That’s why a team at U.C. Davis has just signed a deal with a startup company to help them move a promising stem cell treatment for arthritis, osteoporosis and fractures out of the lab and into people.

The licensing agreement combines the business acumen of Regenerative Arthritis and Bone Medicine (RABOME) with the scientific chops of the UC Davis team, led by Nancy Lane and Wei Yao.

They plan to test a hybrid molecule called RAB-001 which has shown promise in helping direct mesenchymal stem cells (MSCs) – these are cells typically found in the bone marrow and fat tissue – to help stimulate bone growth and increase existing bone mass and strength. This can help heal people suffering from conditions like osteoporosis or hard to heal fractures. RAB-001 has also shown promise in reducing inflammation and so could prove helpful in treating people with inflammatory arthritis.

Overcoming problems

In a news article on the UC Davis website, Wei Yao, said RAB-001 seems to solve a problem that has long puzzled researchers:

“There are many stem cells, even in elderly people, but they do not readily migrate to bone.  Finding a molecule that attaches to stem cells and guides them to the targets we need provides a real breakthrough.”

The UC Davis team already has approval to begin a Phase 1 clinical trial to test this approach on people with osteonecrosis, a disease caused by reduced blood flow to bones. CIRM is funding this work.

The RABOME team also hopes to test RAB-001 in clinical trials for healing broken bones, osteoporosis and inflammatory arthritis.

CIRM solution

To help other researchers overcome these same regulatory hurdles in developing stem cell therapies CIRM created the Stem Cell Center with QuintilesIMS, a leading integrated information and technology-enabled healthcare service provider that has deep experience and therapeutic expertise. The Stem Cell Center will help researchers overcome the challenges of manufacturing and testing treatments to meet FDA standards, and then running a clinical trial to test that therapy in people.

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