RecruitingPhase 2NCT06940154

Rademikibart Add-on Treatment of an Acute COPD Exacerbation (Seabreeze STAT COPD)

A Phase 2, Multicenter, Randomized, Double-blind, Parallel-group, Placebo-controlled Trial to Evaluate the Efficacy and Safety of Rademikibart as an Add-on Treatment for Acute Exacerbation in Participants With Chronic Obstructive Pulmonary Disease and Type 2 Inflammation


Sponsor

Connect Biopharm LLC

Enrollment

160 participants

Start Date

Aug 12, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

This is a Phase 2, multicenter study in adult participants with an acute COPD exacerbation and type 2 inflammation


Eligibility

Min Age: 40 YearsMax Age: 80 Years

Inclusion Criteria7

  • Physician-diagnosed COPD with duration of ≥12 months.
  • Must have experienced at least 1 COPD exacerbation requiring the use of systemic corticosteroids.
  • Participants in a stable condition must have a documented historical peripheral blood eosinophil count of ≥250 cells/μL and/or FeNO ≥ 25 ppb.
  • Current or former smoker with a history of smoking of ≥10 pack-years.
  • Current acute COPD exacerbation requiring an urgent healthcare visit for treatment.
  • Peripheral blood eosinophil count of ≥300 cells/μL as part of the assessment of the index acute COPD exacerbation.
  • Requires systemic corticosteroids as standard of care treatment in the urgent healthcare setting for the current acute COPD exacerbation.

Exclusion Criteria18

  • Regular use of immunosuppressive medication 12 weeks or 5 half-lives prior to randomization, whichever is longer.
  • Current diagnosis or a history of asthma, according to the Global Initiative for Asthma; or participants with a current diagnosis or history of Asthma COPD Overlap Syndrome.
  • Other respiratory disorders that might compromise the safety of the participant or affect the interpretation of the results.
  • Unstable ischemic heart disease, cardiomyopathy, heart failure (New York Heart Association Class III or IV), uncontrolled hypertension. Cardiac arrhythmias including paroxysmal atrial fibrillation.
  • Transient ischemic attack or stroke \<6 months from Screening Visit; hospitalization for any cardiovascular or cerebrovascular event \<6 months from Screening Visit.
  • Known or suspected history of immunosuppression.
  • History of known immunodeficiency disorder or hepatitis B or C.
  • History of alcohol abuse and/or drug abuse.
  • Recent history of cancer except basal cell carcinoma or in situ carcinoma of the cervix treated with apparent success.
  • Chronic treatment with long-term oxygen therapy (LTOT) or nocturnal oxygen therapy required for \>15 hours a day.
  • Participants on long-term macrolide.
  • Current acute COPD exacerbation for which SoC was started \>48 hours prior to Screening.
  • A recent chest X-ray or computed tomography (CT) scan at Screening reveals evidence of clinically significant abnormalities not believed to be due to the presence of COPD, or a clinically significant pulmonary infection identified by chest X-ray (CT scan).
  • Female participant who is pregnant, lactating or breast-feeding, or has a positive urinary β-hCG test prior to randomization.
  • Receipt of any marketed nonbiologic drug that modulates type 2 cytokines 30 days or 5 half-lives prior to randomization, whichever is longer.
  • Receipt of any marketed or any investigational biologic for COPD or other diseases within 16 weeks or 5 half-lives prior to randomization, whichever is longer.
  • Live, attenuated vaccinations within 4 weeks prior to randomization or planned live, attenuated vaccinations during the trial.
  • Treatment with oral corticosteroids and/or hospitalization for an exacerbation of COPD completed less than 4 weeks prior to randomization.

Interventions

COMBINATION_PRODUCTRademikibart in prefilled syringe

Participants receive 600 mg (4mL) of rademikibart administered subcutaneously.

DRUGMatching placebo in prefilled syringe

Participants receive 4mL of placebo matched to rademikibart administered subcutaneously.


Locations(43)

University of Alabama at Birmingham Lung Health Center

Birmingham, Alabama, United States

Amicis Research Center

Valencia, California, United States

National Jewish Health

Denver, Colorado, United States

Synergy Healthcare

Bradenton, Florida, United States

Columbus Clinical Services, LLC

Miami, Florida, United States

Pharmax Research of South Florida, Inc.

Miami, Florida, United States

Health Synergy Clinical Research, LLC

West Palm Beach, Florida, United States

Primeway Clinical Research Group

Fayetteville, Georgia, United States

Pivotal Research Solutions

Stonecrest, Georgia, United States

University of Iowa

Iowa City, Iowa, United States

University of Kansas Medical Center

Kansas City, Kansas, United States

Duke Asthma, Allergy, and Airway Center

Durham, North Carolina, United States

The Ohio State University Wexner Medical Center

Columbus, Ohio, United States

Clinical Research of Rock Hill

Rock Hill, South Carolina, United States

Inquest Clinical Research

Baytown, Texas, United States

Premier Pulmonary Critical Care and Sleep Medicine

Denison, Texas, United States

DCT- McAllen Primary Care Research, LLC dba Discovery Clinical Trials

McAllen, Texas, United States

Carilion Medical Center / Carilion Roanoke Memorial Hospital

Roanoke, Virginia, United States

CEMER - Centro Medico de Enfermedades Respiratorias

Florida, Buenos Aires, Argentina

Centro de Investigaciones Médicas Mar del Plata

Mar del Plata, Buenos Aires, Argentina

Hospital Universitario Austral

Pilar, Buenos Aires, Argentina

Investigaciones en Patologias

San Miguel de Tucumán, Tucumán Province, Argentina

The Canberra Hospital

Garran, Australian Capital Territory, Australia

St. Vincent's Hospital Sydney

Darlinghurst, New South Wales, Australia

Westmead Hospital

Westmead, New South Wales, Australia

Sunshine Coast University Hospital

Birtinya, Queensland, Australia

Institute for Respiratory Health

Nedlands, Western Australia, Australia

"NCTLD National Center for Tuberculosis and Lung Disease" JSC

Tbilisi, Georgia

LLC "Israel-Georgian Medical Research Clinic Healthycore"

Tbilisi, Georgia

Acad. Chapidze Emergency Cardiology Center LLC

Tbilisi, Georgia

Acad. G. Chapidze Emergency Cardiology Center

Tbilisi, Georgia

Caucasus Medical Center

Tbilisi, Georgia

LLC Diacor

Tbilisi, Georgia

Clinical Hospital Center "Dragisa Misovic - Dedinje"

Belgrade, Serbia

Institute for Pulmonary Diseases of Vojvodina

Kamenitz, Serbia

University Clinical Center Kragujevac

Kragujevac, Serbia

Institute for Pulmonary Diseases and Tuberculosis Nis

Niš, Serbia

Health Center Uzice

Užice, Serbia

Medicines Evaluation Unit Ltd.

Wythenshawe, Greater Manchester, United Kingdom

Queen Elizabeth hospital Birmingham

Birmingham, United Kingdom

University Hospitals Birmingham NHS Foundation Trust Birmingham Heartlands Hospital

Birmingham, United Kingdom

Guy's and St Thomas NHS Foundation Trust

London, United Kingdom

Salford Royal Hospital - Northern Care Alliance NHS Foundation Trust Barnes Clinical Research Facility

Salford, United Kingdom

View Full Details on ClinicalTrials.gov

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NCT06940154