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Evaluating benralizumab for severe eosinophilic asthma in children

Efficacy and Safety of Benralizumab in Paediatric Patients With Severe Eosinophilic Asthma (DOMINICA)

Phase 3 Interventional AstraZeneca · NCT05692180

This study is testing if a new asthma treatment called benralizumab can help children aged 6 to 18 with severe eosinophilic asthma have fewer asthma attacks.

Quick facts

PhasePhase 3
Study typeInterventional
Enrollment200 (estimated)
Ages6 Years to 18 Years
SexAll
SponsorAstraZeneca Industry-sponsored
Drugs / interventionsbenralizumab
Locations116 sites (Mobile, Alabama and 115 other locations)
Trial IDNCT05692180 on ClinicalTrials.gov

What this trial studies

This study evaluates the efficacy and safety of benralizumab, administered subcutaneously, in pediatric patients aged 6 to 18 years with severe eosinophilic asthma. It is a multicenter, randomized, double-blind, placebo-controlled trial designed to assess the time to the first asthma exacerbation. Patients will be screened for eligibility and randomized to receive either the treatment or a placebo. The study includes a double-blind treatment period followed by an open-label extension for those who experience exacerbations.

Who should consider this trial

Good fit: Ideal candidates are children aged 6 to 18 years with a documented history of severe eosinophilic asthma and recent exacerbations.

Not a fit: Patients with mild asthma or those not experiencing frequent exacerbations may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could significantly reduce asthma exacerbations in children with severe eosinophilic asthma.

How similar studies have performed: Previous studies have shown promising results with similar biologic treatments for severe asthma, indicating potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria 
Inclusion Criteria:

* Capable of giving assent (signing the assent form) to participate in the study. The caregiver of the patient must be capable of giving written informed consent for the patient's participation in the study. Consent and assent forms must be completed prior to any study-specific procedures.
* Patient and the caregiver (where applicable) must be willing to and be able to answer questionnaires that are part of the study procedures.
* Male or female patients aged ≥ 6 to \< 18 years old.
* Patients with physician-diagnosed severe eosinophilic asthma for at least 12 months prior to Visit 1.
* Patients with a diagnosis of severe asthma confirmed, evaluated, and managed by the clinical site/site network for ≥ 6 months prior to Visit 1.
* Patients with an exacerbation history of asthma exacerbations (defined as a requirement for systemic corticosteroids and/or hospitalisation) within 12 months prior to Visit 1, OR,

  1. 2 asthma exacerbations (defined as a requirement for systemic corticosteroids and/or hospitalisation) per year within the 2 years prior to Visit 1 AND, one or more of the following:
  2. Currently on stable maintenance oral corticosteroids (OCS) used for at least 3 months prior to Visit 1, OR,
  3. At least one of the 2 exacerbations that occurred in the year prior to Visit 1 resulted in hospitalisation.
* Patients on well-documented, stable treatment for asthma with high dose ICS and at least one additional controller medication, such as long-acting β2 agonists (LABA), leukotriene receptor antagonists (LTRA), long-acting muscarinic antagonists (LAMA), or theophylline, since at least 6 months prior to Visit 1.
* Eosinophilic airway inflammation that is related to asthma characterised as eosinophilic in nature as indicated by peripheral blood eosinophil count of ≥ 300 cells/μL during screening OR a blood eosinophil count of 150 to 299 cells/μL during screening and documentation of elevated eosinophils in bronchoalveolar lavage (BAL), sputum, bronchial biopsy, or historical eosinophil count ≥ 300 cells/μL within the 2 years prior to Visit 1.
* ≥ 70% compliance with maintenance asthma medication during the screening period based on the Paediatric Asthma Symptom - Observer reported (PASO) or Asthma Daily Diary.
* At least 50% daily PASO or Asthma Daily Diary completion during the entire screening period, with at least 50% PASO or Asthma Daily Diary completion in the 14-day period prior to randomisation.
* ACQ-IA ≥ 1.5 at screening and Visit 2a.
* Body weight ≥ 15 kg.
* Females of childbearing potential (FOCBP) who are sexually active, as judged by the investigator, must commit to consistent and correct use of a highly effective method of contraception.

Exclusion Criteria:

* Clinically important pulmonary disease other than asthma or patients who have ever been diagnosed with pulmonary or systemic disease, other than asthma, that are associated with elevated peripheral eosinophil counts.
* Life-threatening asthma.
* Asthma exacerbation requiring use of systemic corticosteroids or increase in maintenance dose of OCS within 2 weeks prior to Visit 2a or acute upper/lower respiratory infection that requires antibiotics or antiviral medication within 2 weeks prior to the first dose of the IP (Visit 2b).
* Any disorder that is not stable in the opinion of the investigator and could affect the safety of the patient during the study, influence the findings of the studies or their interpretations or impede the patient's ability to complete the entire duration of the study.
* History of anaphylaxis to any biologic therapy.
* Current malignancy, or history of malignancy.
* A helminth parasitic infection.
* Use of immunosuppressive medication.
* Receipt of immunoglobulin or blood products within 30 days prior to Visit 1.
* Receipt of any marketed or investigational biologic within 5 half-lives prior to Visit 2.
* Previously received benralizumab (MEDI-563).
* Participation in another interventional clinical study.
* Patients with known hypersensitivity to benralizumab or any of the excipients of the product.
* Currently pregnant, breastfeeding, or lactating females.
* Previous randomisation in the present study.

Where this trial is running

Mobile, Alabama and 115 other locations

+66 more sites — see ClinicalTrials.gov for the full list.

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
View on ClinicalTrials.gov → Find more trials like this →
Conditions AsthmaEosinophilic asthmaPediatric PatientsSevere asthma
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.