CompletedPhase 3

Efficacy and Safety of Tozorakimab in Symptomatic Chronic Obstructive Pulmonary Disease With a History of Exacerbations

United States, Argentina, Belgium1,132 participantsStarted 2022-01-03

Plain-language summary

The purpose of this Phase III study is to evaluate the efficacy and safety of tozorakimab Dose 1 and Dose 2 administered subcutaneously (SC) in adult participants with symptomatic COPD and history of ≥ 2 moderate or ≥ 1 severe exacerbation of COPD in the previous 12 months. Participants should be receiving optimised treatment with maintenance inhaled therapy (ICS/LABA/LAMA triple therapy, or dual therapy if triple is not considered appropriate) in stable doses throughout at least 3 months prior to enrolment.

Who can participate

Age range

40 Years – 130 Years

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion criteria

. Participant must be ≥ 40 years of age and capable of giving signed informed consent.
. Documented diagnosis of COPD for at least one year prior to enrolment.
. Post BD FEV1/FVC \< 0.70 and post-BD FEV1 \>20% of predicted normal value.
. Documented history of ≥ 2 moderate or ≥ 1 severe COPD exacerbations within 12 months prior to enrolment.
. Documented optimized inhaled dual or triple therapy at a stable dose for at least 3 months prior to enrolment.
. Smoking history of ≥ 10 pack-years.
. CAT total score ≥10, with each of the phlegm (sputum) and cough items with a score ≥ 2.

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

Annualized rate of moderate to severe COPD exacerbations in participants who are former smokers.

Timeframe: over 52 weeks

Trial details

NCT IDNCT05166889

SponsorAstraZeneca

Sponsor typeINDUSTRY

Study typeINTERVENTIONAL

Primary completion2026-01-19

View on ClinicalTrials.gov More Chronic Obstructive Pulmonary Disease (COPD) trials

Plain-language summary

Who can participate

Age range

40 Years – 130 Years

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion criteria

. Participant must be ≥ 40 years of age and capable of giving signed informed consent.
. Documented diagnosis of COPD for at least one year prior to enrolment.
. Post BD FEV1/FVC \< 0.70 and post-BD FEV1 \>20% of predicted normal value.
. Documented history of ≥ 2 moderate or ≥ 1 severe COPD exacerbations within 12 months prior to enrolment.
. Documented optimized inhaled dual or triple therapy at a stable dose for at least 3 months prior to enrolment.
. Smoking history of ≥ 10 pack-years.
. CAT total score ≥10, with each of the phlegm (sputum) and cough items with a score ≥ 2.

Efficacy and Safety of Tozorakimab in Symptomatic Chronic Obstructive Pulmonary Disease With a History of Exacerbations

Plain-language summary

Who can participate

Inclusion criteria

Questions worth asking your doctor

Questions for the trial coordinator

What they're measuring

Trial details

Efficacy and Safety of Tozorakimab in Symptomatic Chronic Obstructive Pulmonary Disease With a History of Exacerbations

Plain-language summary

Who can participate

Inclusion criteria

Questions worth asking your doctor

Questions for the trial coordinator

What they're measuring

Trial details

Exclusion criteria