ClinicalTrialsFeeds.org provides a convenient RSS wrapper for US National Institutes of Health Clinical Trials search data. The Clinical Trials News Feed service is completely free.
Popular Clinical Trials Search Topics:
Step 1: Enter a search in the ClinicalTrialsFeeds.org Clinical Trials Database, drawing the latest Clinical Trials information directly from the US National Institutes of Health.
(For example, you could try searching for "stem cells" to see all clinical trials involving stem cells, or "alcoholism" to see all clinical trials of treatments for alcoholism.)
Step 2: Verify the results of the search in the lightweight ClinicalTrialsFeeds.org interface.
Step 3: Click on the orange graphic link to the RSS feed for this search, and automatically receive the clinical trials search results delivered straight to your favorite newsreader or aggregator. Or...click on the grey envelope link to receive the clinical trials search results delivered directly to you via email instead. The choice is yours!

Alternatively: In addition to searching, you can also browse the entire clinical trials database via the links below: