Finding Clinical Trials See listings for leiomyosarcoma trials: View leiomyosarcoma trials listed at ClinicalTrials.gov. View leiomyosarcoma trials listed at Inclinicaltrials.com. View SARC’s clinical trial listings. See a map of SARC centers throughout the USA. Resources for understanding terminology in clinical trial listings: The National Cancer Institute’s Cancer Drug Dictionary The NCI’s Dictionary of Cancer Terms The ClinicalTrials.gov Glossary of Common Site Terms defines terms used on their website.