What this phase means
Phase 2: researchers already know a roughly safe dose (from phase 1). This stage asks whether the treatment actually helps the condition, and watches side effects more closely.
Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.
What the registry says happens
If you join, the listed intervention(s) are Tozorakimab, or Placebo. The registry lists allocation as randomized. This is a dose-range finding, neither you nor the study doctors know who gets the real treatment, compared with a dummy treatment, phase IIb study designed to assess how well it works and safety of tozorakimab administered subcutaneously in adult participants with uncontrolled asthma receiving medium-to-high dose inhaled corticosteroids.
They plan to enroll about 540 people at 192 sites. Taking part typically means taking a study drug (or dummy pill) plus check-ins.
Official title (unrewritten)
A Phase IIb, Multicentre, Double-blind, Placebo-controlled Dose Range Finding Study to Assess Efficacy and Safety of Tozorakimab in Adult Participants With Uncontrolled Asthma on Medium-to High Dose Inhaled Corticosteroids
Interventions: Tozorakimab, Placebo
Primary outcome (registry wording): Annualised rate of severe asthma exacerbations