Overview An Open-Label Study of Trofinetide for the Treatment of Girls Two to Five Years of Age Who Have Rett Syndrome Status: Recruiting Trial end date: 2023-07-01 Target enrollment: Participant gender: Summary To investigate the safety and tolerability of long-term treatment with oral trofinetide in girls with Rett syndrome Phase: Phase 2/Phase 3 Details Lead Sponsor: ACADIA Pharmaceuticals Inc.