It returns clinical trials no matter who is funding them. You get a list of results, and the trials that are funded by
JDRF have a little "JDRF" icon on them. I did a search for the Dallas, TX, USA area, and got 17 results, 4 of them had the JDRF icon. (The JDRF icon only seems to come up if they funded that exact trial. For example, one of the Diamyd trials came up, which is not funded by ...