Overview Trial of Kuvan in Lesch-Nyhan Disease Status: Withdrawn Trial end date: 2010-02-01 Target enrollment: Participant gender: Summary To assess the possibility that treatment with Kuvan (a form of tetrahydrobiopterin) will lessen the abnormal behavior and/or neurology commonly found in Lesch-Nyhan disease (LND); to assess biochemical changes as measured in blood and urine. Phase: Phase 2/Phase 3 Details Lead Sponsor: University of California, San DiegoCollaborator: BioMarin Pharmaceutical