Newleos Announces Dosing of First Participant in U.K. Phase 1b Study of NTX-1955 in Generalized Anxiety Disorder April 2, 2026 anxiety ONLY AVAILABLE IN PAID PLANS. Originally reported by biospace. Read more Source: https://www.biospace.com/press-releases/newleos-announces-dosing-of-first-participant-in-u-k-phase-1b-study-of-ntx-1955-in-generalized-anxiety-disorder