A Study to Investigate Efficacy and Safety of Tozorakimab Injections Compared With Placebo in Adult Participants With Symptomatic Chronic Obstructive Pulmonary Disease (COPD) With a History of COPD Exacerbations and Elevated Eosinophils
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Phase
Phase 2
Status
Completed
Study type
Interventional
Design
Randomized · Quadruple · Treatment
Enrollment
98actual
Sites
12
Country
Russia
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2025-04-12 | actual | When the study began enrolling |
| Primary completion | 2026-04-21 | actual | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2026-04-21 | actual | The whole study's end, after follow-up |
| First posted | 2025-03-27 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2026-07-14 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Chronic Obstructive Pulmonary Disease (COPD)
Interventions
- Drug: Placebo
- Drug: Tozorakimab
Primary outcome
what the primary-completion date above is the date OFChange From Baseline to Week 12 in Pre-bronchodilator Forced Expiratory Volume in 1 Second (Pre-BD FEV1) as Measured in Clinic
measured Baseline through Week 12
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