Management Credibility And Execution RiskUneven execution and management credibility setbacks justify a valuation discount and increase investor concern about consistent program advancement.
Trial Design And Statistical PowerSplitting a limited patient pool into dose-specific subgroups and starting at a lower dose raises the likelihood that individual cohorts will be too small to reliably detect treatment effects.
Uncertain Link Between Imaging And Clinical BenefitHigh-resolution imaging reductions in mucus plugs provide an early activity signal but may not translate into reproducible improvements in lung function or quality of life, leaving clinical benefit uncertain for regulators.