Creative Medical Technology Holdings Inc. filed a patent on its stem cell stroke therapy.

The patent application covers Creative Medical's AmnioStem stem cell as a means to produce exosomes, nanoparticles which regenerate damaged brain tissue after a stroke, the company said in a news release. The AmnioStem stem cell is subject to issued U.S. patent #7,569,385 and was licensed from the University of California, San Diego.

Creative Medical is a clinical stage biotechnology company that engages in stem cell research and applications.