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Updated June 2026 · ClinicalTrials.gov

RECRUITINGPhase 3INTERVENTIONAL

Efficacy and Safety of Subcutaneous Dupilumab in Participants With Asthma/Asthmatic Wheeze Aged 2 to <6 Years (LIBERTY ASTHMA TREKIDS)

A Randomized, Double-blind, Placebo-controlled, Parallel Group Study to Assess the Efficacy and Longterm Safety of Dupilumab in Children 2 to <6 Years of Age With Uncontrolled Asthma and/or Recurrent Severe Asthmatic Wheeze

Efficacy and Safety of Subcutaneous Dupilumab in Participants With Asthma/Asthmatic Wheeze Aged 2 to <6 Years (LIBERTY ASTHMA TREKIDS) (NCT06191315) is a Phase 3 interventional studying Wheezing and Asthma, sponsored by Sanofi. RECRUITING as of the most recent ClinicalTrials.gov update. Talk to your doctor before contacting the trial site.

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

About This Trial

This is a parallel, Phase 3, 2-arm study to evaluate the efficacy and long-term safety of dupilumab treatment in children 2 to \<6 years of age with uncontrolled asthma and/or recurrent severe asthmatic wheeze. The study will be conducted in 2 parts. Part A will be a 52-week, randomized, double-blind, placebo-controlled study to assess the safety and efficacy of dupilumab in children aged 2 to \<6 years old with uncontrolled asthma and/or recurrent severe asthmatic wheeze. At the end of Part A, all eligible participants will be offered participation in Part B, an optional open-label extension phase. Study details include: Part A: The study duration of part A will be up to 68 weeks consisting of a 4-week Screening, a 52week treatment period, and a 12-week post-treatment follow-up period. For participants who will chose to participate in Part B, the study duration will be up to 120 weeks (additional 52-week treatment period). Part B: For participants who will choose to participate in Part B, the study duration will be up to 120 weeks (Part A \[4-week Screening and a 52-week treatment period\] plus additional 52-week treatment period and a 12-week post-treatment follow-up period).

What Stage of Research Is This?

Phase 3 trials confirm efficacy and safety in large patient groups (often 300–3,000+) and form the evidence base for an FDA approval submission. For Wheezing, Phase 3 studies typically randomize participants between the investigational treatment and either a placebo or current standard of care. A successful Phase 3 result is the threshold most treatments need to clear before regulatory approval.

This trial is currently recruiting participants. The sponsor has registered the study with ClinicalTrials.gov as actively enrolling, which means new applicants who meet the eligibility criteria can be considered for screening. Trial status can change between updates — confirm current recruiting status with the study contact before traveling for a screening visit.

Target enrollment of 90 participants puts this in the typical range for a Phase 2-style efficacy study or a moderate Phase 3 trial in a focused Wheezing subpopulation. At this scale, the study has enough statistical power to detect a clear treatment effect but is not the largest cohort in the field.

Who May Be Eligible (Plain English)

Who May Qualify: - Participant must be 2 to \<6 years of age - Diagnosis of asthma or recurrent severe asthmatic wheeze that is not controlled with chronic ICS for at least 3 months with stable use of at least low dose ICS for ≥1 month prior to Screening Visit 1 with evidence of uncontrolled asthma and/or recurrent severe asthmatic wheeze. - At least one additional major criterion from the modified asthma predictive index: 1. Physician diagnosed Atopic Dermatitis, 2. Allergic sensitization to at least 1 aeroallergen (with a positive serum IgE defined as a value ≥0.35 kU/L). OR 2 minor criteria: 3. Wheezing unrelated to colds, 4. Peripheral blood eosinophilia ≥4%, 5. Allergic sensitization to milk, eggs, or peanuts (defined by serum specific IgE \>0.35 kU/L. - Parent(s)/caregiver(s)/legal guardian(s) willing and able to comply with clinic visits and study-related procedures. - Parent(s)/caregiver(s)/legal guardian(s) able to understand the study requirements. - Participants/parent(s)/caregiver(s)/legal guardian(s), as appropriate, must be able to understand and complete study-related questionnaires - Body weight at screening and randomization \>5 kg and \<30 kg. - Parents or caregivers or legal guardian capable of giving signed willing to sign a consent form. Who Should NOT Join This Trial: Participants are excluded from the study if any of the following criteria apply: - Severe asthma with the need for chronic oral/systemic corticosteroid use (\>1 month continuous) at the time of screening enrollment. - History of a systemic hypersensitivity reaction or anaphylaxis to biologic therapy, including any excipient. - History of prematurity (\<34 weeks gestation). - Any other chronic lung disease that would impair lung function (eg, cystic fibrosis, bronchopulmonary dysplasia) or chronic lung disease of prematurity or need for oxygen for more than 5 days in the neonatal period. - History of life-threatening asthma (eg, requiring intubation). ...See full criteria on ClinicalTrials.gov Always talk to your doctor about whether this trial is right for you.

These are translations of the protocol\'s inclusion and exclusion criteria, simplified for patients and caregivers. The original clinical text appears below. Eligibility is ultimately confirmed by the trial site\'s screening process — this summary is a starting point for a conversation with your doctor, not a final determination.

Original Eligibility Criteria

View original clinical language
Inclusion Criteria: * Participant must be 2 to \<6 years of age * Diagnosis of asthma or recurrent severe asthmatic wheeze that is not controlled with chronic ICS for at least 3 months with stable use of at least low dose ICS for ≥1 month prior to Screening Visit 1 with evidence of uncontrolled asthma and/or recurrent severe asthmatic wheeze. * At least one additional major criterion from the modified asthma predictive index: 1. Physician diagnosed Atopic Dermatitis, 2. Allergic sensitization to at least 1 aeroallergen (with a positive serum IgE defined as a value ≥0.35 kU/L). OR 2 minor criteria: 3. Wheezing unrelated to colds, 4. Peripheral blood eosinophilia ≥4%, 5. Allergic sensitization to milk, eggs, or peanuts (defined by serum specific IgE \>0.35 kU/L. * Parent(s)/caregiver(s)/legal guardian(s) willing and able to comply with clinic visits and study-related procedures. * Parent(s)/caregiver(s)/legal guardian(s) able to understand the study requirements. * Participants/parent(s)/caregiver(s)/legal guardian(s), as appropriate, must be able to understand and complete study-related questionnaires * Body weight at screening and randomization \>5 kg and \<30 kg. * Parents or caregivers or legal guardian capable of giving signed informed consent. Exclusion Criteria: Participants are excluded from the study if any of the following criteria apply: * Severe asthma with the need for chronic oral/systemic corticosteroid use (\>1 month continuous) at the time of screening enrollment. * History of a systemic hypersensitivity reaction or anaphylaxis to biologic therapy, including any excipient. * History of prematurity (\<34 weeks gestation). * Any other chronic lung disease that would impair lung function (eg, cystic fibrosis, bronchopulmonary dysplasia) or chronic lung disease of prematurity or need for oxygen for more than 5 days in the neonatal period. * History of life-threatening asthma (eg, requiring intubation). The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.

Treatments Being Tested

DRUG

Dupilumab

Pharmaceutical form: Injection solution Route of administration: Subcutaneous

DRUG

Placebo

Pharmaceutical form: Injection solution Route of administration: Subcutaneous

Locations (20)

Trial sites listed on ClinicalTrials.gov for this study. Site activation status can vary — confirm with the specific site before traveling for a screening visit.

Phoenix Children's Hospital- Site Number : 8400001
Phoenix, Arizona, United States
Allervie Clinical Research - Destin- Site Number : 8400016
Destin, Florida, United States
EMDA Clinical Research- Site Number : 8400026
Miami, Florida, United States
Ann & Robert H. Lurie Children's Hospital of Chicago- Site Number : 8400011
Chicago, Illinois, United States
Allergy and Asthma Specialist- Site Number : 8400002
Owensboro, Kentucky, United States
Mayo Clinic in Rochester - Minnesota- Site Number : 8400008
Rochester, Minnesota, United States
UBMD Pediatrics- Site Number : 8400013
Buffalo, New York, United States
Boston Children's Health Physicians - Hawthorne- Site Number : 8400010
Hawthorne, New York, United States
UNC Children's Hospital- Site Number : 8400005
Chapel Hill, North Carolina, United States
Cincinnati Children's Hospital Medical Center- Site Number : 8400004
Cincinnati, Ohio, United States
University Hospitals Cleveland Medical Center- Site Number : 8400015
Cleveland, Ohio, United States
Vanderbilt University Medical Center- Site Number : 8400024
Nashville, Tennessee, United States
South Texas Medical Research Institute - TTS Research- Site Number : 8400022
Boerne, Texas, United States
Texas Children's Hospital- Site Number : 8400027
Houston, Texas, United States
Investigational Site Number : 0320005
Rosario, Santa Fe Province, Argentina
Investigational Site Number : 0320008
Buenos Aires, Argentina
Investigational Site Number : 0320003
Buenos Aires, Argentina
Investigational Site Number : 0320002
Buenos Aires, Argentina
Investigational Site Number : 0320001
Buenos Aires, Argentina
Investigational Site Number : 0320009
Corrientes, Argentina

How to Talk to Your Doctor About This Trial

Bring the printable summary of this trial — including the NCT ID (NCT06191315), the sponsor (Sanofi), and the key eligibility criteria — to your next appointment. Your doctor can review the inclusion and exclusion criteria against your medical history, lab values, and current treatments to assess whether you are likely to qualify. They can also help you weigh whether trial participation makes sense alongside your existing care plan.

Useful questions to walk through together: What does the trial protocol require beyond standard care? How long is the active treatment phase, and how long is follow-up? Are there study visits at sites I can reach? Who pays for the trial-specific procedures, and who pays for standard-of-care portions? See our 25 questions to ask about clinical trials guide for a more complete checklist.

Authoritative Sources

The official record for this trial lives on ClinicalTrials.gov — the federal registry maintained by the National Library of Medicine at NIH. For background on how this trial fits into the FDA approval pathway, see the FDA drug approval process. For oncology-specific guidance for patients considering trials, the National Cancer Institute publishes patient-oriented overviews. International trial registries are aggregated by the WHO ICTRP.

Frequently Asked Questions

What is the NCT06191315 clinical trial studying?

This is a parallel, Phase 3, 2-arm study to evaluate the efficacy and long-term safety of dupilumab treatment in children 2 to \<6 years of age with uncontrolled asthma and/or recurrent severe asthmatic wheeze. The study will be conducted in 2 parts. Part A will be a 52-week, randomized, double-blind, placebo-controlled study to assess the safety and efficacy of dupilumab in children aged 2 to \<6 years old with uncontrolled asthma and/or recurrent severe asthmatic wheeze. At the end of Part A, all eligible participants will be offered participation in Part B, an optional open-label extension … The full protocol is registered on ClinicalTrials.gov and includes the primary outcome measures, eligibility criteria, and study endpoints.

Who can participate in NCT06191315?

Eligibility for this trial depends on the specific inclusion and exclusion criteria set by the sponsor. The plain-English summary above translates the most important criteria into accessible language; the official clinical text is preserved in the collapsible section underneath. Whether you fit any specific trial is a medical decision your doctor needs to confirm — bring the trial information to your treating physician for a full review against your medical history.

How do I contact the trial site for NCT06191315?

Contact information registered with ClinicalTrials.gov is shown in the sidebar of this page. Before reaching out, confirm with your treating physician that this trial is appropriate for your situation. The trial site will then walk you through the screening process to determine final eligibility.

Is participating in a clinical trial safe?

Clinical trials in the United States are regulated by the FDA and overseen by Institutional Review Boards (IRBs) that review the protocol for safety. Risk varies by trial — Phase 1 studies test new treatments in humans for the first time, while Phase 3 trials use treatments that have already passed earlier safety screening. The informed consent document for any specific trial details the known risks and what to expect. Discuss those risks with your physician before deciding whether to participate.

Where can I verify the data on this page?

Every detail on this page comes directly from the ClinicalTrials.gov API. Click "View on ClinicalTrials.gov" in the sidebar to see the official, unmodified record. The federal record is always authoritative; this page is a structured presentation with a plain-English eligibility translation. For background on how clinical trials are regulated, see the FDA drug approval process documentation.

How This Page Is Built

Every field on this page is pulled directly from the ClinicalTrials.gov API v2 — no estimates, no proxies. The plain-English eligibility translation is generated from the original protocol text and reviewed for fidelity to the underlying clinical criteria. The original clinical text remains visible in the collapsible section above so users and clinicians can verify the translation. Read the full methodology for the data pipeline and known limitations.

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Source: ClinicalTrials.gov API v2 record for NCT06191315. Maintained by the National Library of Medicine at NIH. Public domain. Cite as: "TrialFinderData. NCT06191315. Data: ClinicalTrials.gov."

Medical disclaimer: This page is informational, not medical advice. Talk to your doctor about whether a clinical trial is right for you.

Last updated 2026-06-26 · Data from ClinicalTrials.gov.