||||||||||KB408 / Krystal Biotech Enrollment open: Serpentine-1: A Study of KB408 for the Treatment of Alpha-1 Antitrypsin Deficiency (clinicaltrials.gov) - Feb 6, 2024 P1, N=12, Recruiting, Sponsor: Krystal Biotech, Inc. KB408 showed no adverse effects and limited biodistribution when delivered via inhalation to mice, supporting the initiation of a first-in-human Phase 1 single ascending dose study. Not yet recruiting --> Recruiting