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RECRUITINGPhase 2INTERVENTIONAL

ENV-294 for Moderate-to-Severe Asthma: A 12-Week Study in Adults

A Phase 2, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, 12-Week Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of ENV-294 in Adult Participants With Moderate-to-Severe Asthma

Important: This information is not medical advice. Talk to your doctor about whether a clinical trial is right for you.

About This Trial

This study will evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD), and potential efficacy of ENV-294 in adults with moderate to severe asthma who are receiving background treatment with inhaled corticosteroids (ICS) and long-acting beta₂-agonists (LABA). Participants will take oral ENV-294 or placebo once daily for 12 weeks. The study includes a screening period of up to 28 days before randomization to confirm eligibility. Study visits and assessments will be conducted to monitor safety, measure drug levels in the blood, and evaluate effects on asthma control and lung function.

Who May Be Eligible (Plain English)

Who May Qualify: - Able to read, understand, and sign an willing to sign a consent form form before any study procedures. - Male or female adults aged 18 to 75 years with a physician diagnosis of moderate to severe asthma for at least 12 months. - Receiving stable treatment with an inhaled corticosteroid (ICS) plus a long-acting beta₂-agonist (LABA) for at least 2 months before screening. - Pre-bronchodilator FEV₁ between 50% and 80% of predicted normal at screening and baseline. - Demonstrated bronchodilator reversibility, defined as ≥12% and ≥200 mL improvement in FEV₁ (or ≥20% increase in peak expiratory flow) after short-acting bronchodilator use. - ACQ-5 score ≥1.25 and ≤3.0 at screening and baseline. - History of at least one asthma exacerbation in the past 12 months requiring systemic corticosteroids or hospitalization/emergency care. Who Should NOT Join This Trial: - Had a moderate or severe asthma exacerbation within 4 weeks before screening. - Have a history of life-threatening asthma, including intubation or respiratory arrest. - Have any other significant pulmonary disease (e.g., COPD, bronchiectasis, pulmonary fibrosis, cystic fibrosis, tuberculosis, lung cancer, or eosinophilic syndromes). - Had bronchial thermoplasty within 2 years before screening. - Used biologic therapies for asthma (e.g., benralizumab, mepolizumab, reslizumab, omalizumab, dupilumab, or tezepelumab) within 6 months or 5 half-lives prior to baseline. - Require immunosuppressive medications or frequent systemic corticosteroids (more than 3 courses in the past 6 months). - Are current smokers or former smokers with \>10 pack-year history or who quit within 6 months before screening. - Have uncontrolled hypertension (systolic ≥160 mmHg or diastolic \>95 mmHg). - Have significant hepatic impairment or any other condition that, in the investigator's opinion, would interfere with study participation or interpretation of results. Always talk to your doctor about whether this trial is right for you.

Original Eligibility Criteria

View original clinical language
Inclusion Criteria: * Able to read, understand, and sign an informed consent form before any study procedures. * Male or female adults aged 18 to 75 years with a physician diagnosis of moderate to severe asthma for at least 12 months. * Receiving stable treatment with an inhaled corticosteroid (ICS) plus a long-acting beta₂-agonist (LABA) for at least 2 months before screening. * Pre-bronchodilator FEV₁ between 50% and 80% of predicted normal at screening and baseline. * Demonstrated bronchodilator reversibility, defined as ≥12% and ≥200 mL improvement in FEV₁ (or ≥20% increase in peak expiratory flow) after short-acting bronchodilator use. * ACQ-5 score ≥1.25 and ≤3.0 at screening and baseline. * History of at least one asthma exacerbation in the past 12 months requiring systemic corticosteroids or hospitalization/emergency care. Exclusion Criteria: * Had a moderate or severe asthma exacerbation within 4 weeks before screening. * Have a history of life-threatening asthma, including intubation or respiratory arrest. * Have any other significant pulmonary disease (e.g., COPD, bronchiectasis, pulmonary fibrosis, cystic fibrosis, tuberculosis, lung cancer, or eosinophilic syndromes). * Had bronchial thermoplasty within 2 years before screening. * Used biologic therapies for asthma (e.g., benralizumab, mepolizumab, reslizumab, omalizumab, dupilumab, or tezepelumab) within 6 months or 5 half-lives prior to baseline. * Require immunosuppressive medications or frequent systemic corticosteroids (more than 3 courses in the past 6 months). * Are current smokers or former smokers with \>10 pack-year history or who quit within 6 months before screening. * Have uncontrolled hypertension (systolic ≥160 mmHg or diastolic \>95 mmHg). * Have significant hepatic impairment or any other condition that, in the investigator's opinion, would interfere with study participation or interpretation of results.

Treatments Being Tested

DRUG

ENV-294

ENV-294 is an orally administered investigational capsule formulation. Participants receive 800 milligrams (mg) once daily by mouth for 12 weeks. Capsules are taken with water, at approximately the same time each day, with or without food.

DRUG

Placebo

Matching oral capsule that does not contain active drug. Administered once daily by mouth for 12 weeks under the same conditions as the investigational product.

Locations (14)

AllerVie Clinical Research
Birmingham, Alabama, United States
California Allergy and Asthma Medical
Los Angeles, California, United States
Allergy and Asthma Associates of Santa Clara Valley Research Center
San Jose, California, United States
Asthma and Allergy Associates
Colorado Springs, Colorado, United States
New Life Medical Research Center
Hialeah, Florida, United States
Georgia Pollens Clinical Research Centers
Albany, Georgia, United States
Allergy & Asthma Specialists
Owensboro, Kentucky, United States
Revive Research Institute
Southfield, Michigan, United States
The Clinical Research Center
St Louis, Missouri, United States
Portland Allergy & Asthma
Clackamas, Oregon, United States
Velocity Clinical Research, Medford
Medford, Oregon, United States
Monroe Biomedical Research
North Charleston, South Carolina, United States
Metroplex Pulmonary and Sleep Center
McKinney, Texas, United States
University of Wisconsin School of Medicine and Public Health
Madison, Wisconsin, United States