Adaptimmune is a company focused on the use of T-cell therapy. They just announced in their last press release that they are going to open a trial for synovial sarcoma later this month at multiple sites.
Here is the company website:
And here is the press release announcing the upcoming trials:
http://www.adaptimmune.com/wp-content/uploads/2011/03/Press-Release-LLC-7-March-2011.pdf