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NCT05326412CompletedPhase 2

Mechanistic Study of the Effect of Itepekimab on Airway Inflammation in Patients With COPD

A Phase 2a, Open-label, Two-part Study to Evaluate the Mechanism of Action of Itepekimab (Anti-IL-33 mAb) on Airway Inflammation in Patients With Chronic Obstructive Pulmonary Disease (COPD)

Source: ClinicalTrials.gov · Last updated 31 Aug 2026

Brief summary (registry, in English)

This study was an exploratory, two-part, 12-week, Phase 2a study evaluated the mechanism of action of Itepekimab (anti-IL-33-mAb) and its impact on airway inflammation in former and current smokers with COPD, aged 40 to 70 years. This study consisted of participants who had been on a standard-of-care (SoC) mono (long-acting β2-agonist \[LABA\]) or long-acting muscarinic antagonist \[LAMA\]), double (inhaled corticosteroid \[ICS\] + LABA, LABA + LAMA or ICS + LAMA), or triple (ICS + LABA + LAMA) controller therapy for COPD for at least 3 months prior to Screening (Visit 1) with stable dose and regimen for controller therapy for ≥1 month prior to Screening (Visit 1) and during the screening period. Participants would stay on their established controller medications for COPD throughout the duration of the study, with the exception of systemic corticosteroids and/or antibiotics used for acute exacerbation of COPD (AECOPD). Part A would consist of participants who were former smokers with COPD; Part B would consist of participants who were current smokers with COPD. The total study duration for each part (Part A and Part B) was approximately 36 weeks: * 4-week screening period * 12-week treatment period * 20-week followup period

Status (registry)
Completed
Phase (registry)
Phase 2
Study type
Interventional
Enrollment
49 (actual)
First submitted
6 Apr 2022
Start date
19 May 2022
Primary completion date
5 Mar 2025
Lead sponsor
Sanofi
Diseases
COPD
NCT number
NCT05326412
EU CT number
2024-512007-39-00
EudraCT number
2021-001654-65

What you commit to

  • Study type: Interventional · Phase 2
  • Participants enrolled: 49
  • From 19 May 2022 to the primary completion date, 5 Mar 2025
  • 23 sites in 7 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Current diagnosis or previously confirmed diagnosis of asthma according to the Global Initiative for Asthma (GINA) guidelines unless asthma resolved before 18 years of age and has not recurred.
  • For former smokers (Parts A): Active smoking or vaping of any products (eg, nicotine, tetrahydrocannabinol \[THC\]) within 6 months prior to Screening (Visit 1) or during the screening period. For current smokers (Part B): vaping of any products (eg, nicotine, THC) within 6 months prior to Screening (Visit 1) or during the screening period.
  • Clinically significant new abnormal electrocardiogram (ECG) within 6 months before or at Screening (Visit 1) that might affect the participant's participation in the study.
  • Participants who required more than 2 L/min of long-term treatment with oxygen at rest. Participants who used up to 4L/min of supplemental oxygen during exercise might enroll. Oxygen during sleep was allowed.
  • Moderate or severe exacerbation of COPD (AECOPD) within 8 weeks prior to Screening (Visit 1) or during the screening period.
  • Prior history of pneumonectomy, lobectomy, segmentectomy, or therapeutic bronchoscopy procedure (including bronchoscopic volume reduction). Note: Prior history of surgical lung biopsy or wedge resection were not exclusion criteria.
  • Any surgery or major procedures (including those requiring conscious sedation) planned to occur during the study. Minor skin procedures were allowed.
  • Unstable ischemic heart disease, including acute myocardial infarction within 1 year before Screening (Visit 1), or unstable angina within 6 months before Screening (Visit 1) or during the screening period.
  • Participants with active tuberculosis (TB), latent TB, a history of incompletely treated TB, suspected extrapulmonary TB infection (TBI), or who were at high risk of contracting TB (such as close contact with individuals with active or latent TB) or received Bacillus Calmette Guérin (BCG)-vaccination within 12 weeks before Screening (Visit 1).
  • Suspicion of, or confirmed, coronavirus disease 2019 (COVID-19) infection or contact with known exposure to COVID19 at Screening (Visit 1) or during the screening period; known history of COVID19 infection within 6 weeks before Screening (Visit 1); history of requiring mechanical ventilation or extracorporeal membrane oxygenation (ECMO) secondary to COVID-19 within 12 months before Screening (Visit 1); participants who had a COVID-19 infection before Screening (Visit 1) who had not yet sufficiently recovered to participate in the procedures of a clinical trial.
  • Evidence of acute or chronic infection requiring systemic treatment with antibacterial, antiviral, antifungal, antiparasitic, or antiprotozoal medications within 6 weeks before Screening (Visit 1) or during the screening period, significant viral infections within 6 weeks before Screening (Visit 1) or during the screening period that might not have been treated with antiviral treatment (eg, influenza receiving only symptomatic treatment).
  • Symptomatic herpes zoster within 3 months prior to screening.
  • Previous use of Itepekimab.
    • The above information was not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.

Other illness

  • Clinically significant and current pulmonary disease other than COPD, eg, sarcoidosis, interstitial lung disease, bronchiectasis (clinical diagnosis), diagnosis of α1 anti-trypsin deficiency, or another diagnosed pulmonary disease.
  • Diagnosis of cor pulmonale, evidence of right cardiac failure, or moderate-to-severe pulmonary hypertension.
  • Cardiac arrhythmias, including paroxysmal (eg, intermittent) atrial fibrillation. Participants with isolated premature ventricular contractions (PVCs) or premature atrial contractions (PACs) might be considered for inclusion.
  • Cardiomyopathy, as defined by Stage III-IV (New York Heart Association) cardiac failure, or other relevant cardiovascular disorder that that might affect the participant's participation in the study.
  • Any underlying disease required the use of prophylaxis for endocarditis.
  • Uncontrolled hypertension (ie, systolic blood pressure \[BP\] \>180 mm Hg or diastolic BP \>110 mm Hg with or without use of antihypertensive therapy).
  • History of human immunodeficiency virus (HIV) infection or positive HIV 1/2 serology at Screening (Visit 1).
  • Participants with active autoimmune disease or participants taking immunosuppressive therapy for autoimmune disease (eg, rheumato arthritis, inflammatory bowel disease, primary biliary cirrhosis, systemic lupus erythematosus, multiple sclerosis).
  • History of malignancy within 5 years before Screening (Visit 1), or during the screening period, except completely treated in situ carcinoma of the cervix, completely treated and resolved nonmetastatic squamous or basal cell carcinoma of the skin.

Other

  • Participants who were expected to be regularly exposed to environmental (ie, 'second hand') tobacco smoke in an indoor setting during the screening or treatment periods (former smokers only).
  • Hypercapnia that required bi-level positive airway pressure (BiPAP).

Who the study is looking for

  • Participant must be 40 to 70 years of age inclusive
  • Physician diagnosis of COPD for at least 1 year (based on the Global Initiative for Chronic Obstructive Lung Disease \[GOLD\] definition).
  • Smoking history of ≥10 pack-years
    • For former smokers: Participants who reported that they were not currently smoking, and smoking cessation must had occurred ≥6 months prior to Screening (Visit 1) with an intention to quit permanently.
    • For current smokers (not eligible for Part A): Participants who reported that they are currently smoking tobacco (participant smoked at least 5 cigarettes per day on average during the past 7 days) at Screening (Visit 1) and at Baseline, and who were not currently participating in, or planning to initiate, a smoking cessation intervention at Screening (Visit 1) or during the screening period.
  • Participant-reported history of signs and symptoms of chronic bronchitis (chronic productive cough for at least 3 months in the year before screening in a participant in whom other causes of chronic cough \[eg, inadequately treated gastroesophageal reflux or chronic rhinosinusitis; or clinical diagnosis of bronchiectasis\] had been excluded).
  • Documented or self-reported history of exacerbation having had ≥1 moderate or severe exacerbation within the 5 years prior to Screening (Visit 1), with at least 1 exacerbation treated with systemic corticosteroids:
    • Moderate exacerbations were defined as an acute worsening of respiratory symptoms that required either systemic corticosteroids (intramuscular \[IM\], intravenous \[IV\], or oral) and/or antibiotics.
    • Severe exacerbations were defined as AECOPD that required hospitalization or observation for \>24 hours in emergency department/urgent care facility.
  • Participants treated with SoC controller therapy for ≥3 months before Screening (Visit 1) and at a stable dose and regimen of controller therapy for at least 1 month before the screening visit AND during the screening period, including either: triple therapy with LAMA + LABA + ICS or double therapy with ICS + LABA or LABA + LAMA or ICS + LAMA, or monotherapy with LABA or LAMA.
  • Participants who had received appropriate vaccination according to local recommendations against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), administered a minimum of 1 week prior to Screening (Visit 1).
  • Body mass index (BMI) ≥18 kg/m2
  • A female participant was eligible to participate if she was not pregnant, not breastfed, and at least one of the following conditions applies:
    • Not a women of child-bearing potential (WOCBP) or
    • A WOCBP who agreed to follow the contraceptive guidance during the intervention period and for at least 20 weeks after the last dose of study intervention.

Age in the registry: 40 years to 70 years · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (23)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Antwerp University Hospital
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EdegemBelgiumCompleted
Hospital e Maternidade Celso Pierro - PUC-Campinas- Site Number : 0760004
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CampinasBrazilUnknown status
Hospital São Lucas da PUCRS - Porto Alegre - Avenida Ipiranga- Site Number : 0760003
Coordinator of this site? Confirm its status
Porto AlegreBrazilUnknown status
Hospital Beneficência Portuguesa de São Paulo- Site Number : 0760005
Coordinator of this site? Confirm its status
São PauloBrazilUnknown status
Integral Pesquisa e Ensino- Site Number : 0760006
Coordinator of this site? Confirm its status
VotuporangaBrazilUnknown status
Velocity Clinical Research Germany GmbH
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AhrensburgGermanyCompleted
Medical Center- University of Freiburg
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Freiburg im BreisgauGermanyCompleted
Studienzentrum Dr Med Schlenska
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PeineGermanyCompleted
Aalborg University Hospital
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AalborgDenmarkCompleted
Region Hovedstaden
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Copenhagen NvDenmarkCompleted
Hvidovre Hospital
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HvidovreDenmarkCompleted
-
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LiverpoolUnited KingdomUnknown status
-
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LondonUnited KingdomUnknown status
-
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NottinghamUnited KingdomUnknown status
-
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WythenshaweUnited KingdomUnknown status
Universitair Medisch Centrum Groningen
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GroningenNetherlandsCompleted
University of Texas - Southwestern Medical Center- Site Number : 8400014
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DallasUnited StatesUnknown status
National Jewish Health Medical Center- Site Number : 8400012
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DenverUnited StatesUnknown status
Clinical Research Associates of Central PA - Dubois- Site Number : 8400011
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DuBoisUnited StatesUnknown status
University of Kansas Medical Center- Site Number : 8400004
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Kansas CityUnited StatesUnknown status
University of Miami UHealth Tower- Site Number : 8400015
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MiamiUnited StatesUnknown status
-
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Oklahoma CityUnited StatesUnknown status
UCLA Medical Center - Harbor- Site Number : 8400006
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TorranceUnited StatesUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.