Phase 2 COPD Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- People who understand the study and are willing to sign a consent form agreeing to take part.
- People aged 40 to 85 years old (male or female) at the time of signing the consent form.
- People who weigh at least 40 kg.
- People who have been diagnosed with COPD for at least 12 months.
- People whose breathing test results (taken after using a bronchodilator inhaler) show a specific pattern of reduced airflow, within a range the trial defines (confirm with trial site).
- People who have been on a stable COPD medication plan for at least 3 months before the screening visit, with no dose changes for at least 1 month before screening.
- People who have had at least 2 moderate flare-ups, or at least 1 severe flare-up, of their COPD in the year before screening.
- People whose COPD Assessment Test (CAT) score is 10 or higher, indicating a noticeable impact of COPD on daily life.
- People whose blood test at screening shows a certain level of a type of white blood cell called eosinophils (at or above a set threshold).
- People who currently smoke, have a history of at least 10 pack-years of smoking, or have been exposed to smoke from burning materials such as wood or biomass fuels for 10 or more years.
- People who are willing to use highly effective contraception from the time of signing consent until 3 months after their last dose of the study treatment.
Who may not be able to join:
- People who currently have, or have previously been diagnosed with, asthma (either alone or alongside COPD).
- People who have a significant lung disease other than COPD, such as scarring of the lungs, pulmonary hypertension, bronchiectasis, active tuberculosis, or other conditions that can raise eosinophil levels in the blood.
- People who have a serious uncontrolled health condition that could affect the study results, such as severe neurological disease, a history of serious mental illness, major heart disease, poorly controlled diabetes, certain irregular heart rhythms, or specific abnormalities on a heart tracing test.
- People with a history of cancer.
- People with a known or suspected history of a weakened immune system, or who have unusually frequent, long-lasting, or recurring infections.
- People who have been treated with biologic medicines or medicines that suppress the immune system for an autoimmune or inflammatory condition within approximately 8 weeks (or 5 half-lives, whichever is longer) before signing consent.
- People with severe heart failure (a specific advanced stage), uncontrolled high blood pressure in the lungs, or signs of right-side heart failure.
- People who have had a heart attack, unstable chest pain, or stroke within 6 months before signing the consent form.
- People who have had a parasitic infection in the 24 weeks before signing consent that has not been treated or has not responded to standard treatment.
- People who have had a moderate or severe COPD flare-up in the 4 weeks before signing consent up until the point of being assigned to a treatment group.
- People who have had an active infection requiring antibiotic or antiviral treatment (taken by mouth or injection) in the 4 weeks before signing consent up until the point of being assigned to a treatment group.
- People who have had major surgery within 8 weeks before signing consent, or who have planned surgery requiring general anaesthesia or an overnight hospital stay during the study period.
- People who have had a lung removal surgery or lung volume reduction surgery for COPD within 12 months before screening, or who have such surgery planned.
- People who need oxygen therapy for more than 15 hours per day as a medical necessity, or who need a specific type of breathing machine (BiPAP) for a build-up of carbon dioxide in the blood.
- People who have recently started (within 4 weeks before screening) an active pulmonary rehabilitation programme. (Note: people already in the maintenance phase of rehabilitation may still be eligible — confirm with trial site.)
- People who have been taking steroid tablets or injections (not including skin creams, eye drops, or nasal sprays) in the 4 weeks before signing consent up until being assigned to a treatment group, except for short courses of 7 days or less used for non-immune-related allergic conditions.
- People taking a certain type of antibiotic called a macrolide (for example, azithromycin) unless they have been on a stable dose for more than 3 months before screening and plan to continue throughout the study.
- People taking a medication called roflumilast (a PDE-4 inhibitor) unless they have been on a stable dose for at least 3 months and plan to continue at that dose throughout the study.
- People who have received certain biological treatments — including omalizumab (within 130 days before consent) or other specific biologic medicines targeting immune pathways relevant to this trial (within 3 months or 5 half-lives before consent, whichever is longer).
- People who have taken part in another clinical trial of a drug or medical device within 3 months before signing consent, or who are still within the follow-up period or active drug period of another study.
- People who have received intravenous immunoglobulin or blood products within 30 days before signing consent.
- People who have received certain traditional Chinese medicines, ethnic medicines, or natural medicines approved for COPD treatment within 4 weeks before being assigned to a treatment group.
- People who have received a live or weakened (attenuated) vaccine within 3 months before signing consent, or who plan to receive one during the study period.
- People whose screening blood test comes back positive for HIV or for a specific bacterial infection (Treponema pallidum) that requires treatment.
- People with certain active or inadequately managed hepatitis B or hepatitis C virus infections, based on specific blood test results at screening (confirm with trial site for exact criteria).
- People whose liver enzyme levels (AST or ALT) or kidney function marker (creatinine) are significantly above the normal range on blood tests at screening.
- People who are pregnant, breastfeeding, or have a positive pregnancy test at screening.
- People who have a known allergy or intolerance to any component of the study drug (CM326 injection) or the placebo, or who have a history of a severe allergic reaction or anaphylactic shock to any medicine.
- People with a history of drug or substance misuse within 5 years before signing the consent form.
- People who have taken less than 70% of their usual prescribed COPD medications during the screening phase of the trial.
- People who, in the opinion of the trial doctor, have any other condition that may prevent them from completing the study.
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Phone: 031169085587
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Annualized Rate of Moderate or Severe Chronic Obstructive Pulmonary Disease (COPD) Acute Exacerbations
Can't join this trial?
Data last synced from ClinicalTrials.gov: 6 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.