Stem cells hold a lot of promise, but much more research is needed.
Stem cells are very young cells that can develop into specialized cells, such as blood cells, bone cells and brain cells. According to the FDA, stem cells “have the potential to replace, repair, restore and regenerate other cells, and could possibly be used to treat a number of medical conditions.”
The only stem cell-based products currently approved by the FDA consist of blood stem cells derived from umbilical cord blood. These products are usually used in , such as leukemia and immune disorders. For patients with blood cancers, for example, stem cells are used after chemotherapy to replenish the blood cells that were destroyed during the treatment.However, other uses are being studied. There are currently more than 650 active clinical trials for stem cell procedures, looking at a myriad of conditions including kidney failure and Crohn's disease.
“We do our best to make sure people are safe when they're getting investigational products,” Marks said. When a product is in a clinical trial, the FDA can monitor it to make sure it’s safe, he added.
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