Asthma drug dupilumab tested for Long-Term safety in kids
NCT ID NCT03560466
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study followed 378 children with asthma who had already taken dupilumab in an earlier trial. Researchers wanted to see if the drug is safe and tolerable over a full year. They also measured how well it controls asthma symptoms. The goal was to make sure long-term use is safe for kids.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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378 people
The number who actually took part.
- Started
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Jun 2018
- Finished
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Apr 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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6 to 11 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion criteria : * Pediatric patients with asthma who completed the treatment in a dupilumab asthma trial (EFC14153). * Signed written informed consent/assent. Specific for Brazil: EFC14153 patients from Brazil, who prematurely discontinued Investigational Medicinal Product (IMP) to receive Yellow Fever vaccine (a live attenuated vaccine) during Yellow Fever outbreak, are allowed to be enrolled in LTS14424 after completing the required procedures in EFC14153 (completion of remaining visits and procedures until end of treatment (EOT) V28, considered as V1 for LTS14424). Patients who are not able to complete their treatment in Study EFC14153 due to the COVID-19 pandemic will be allowed to enroll into Study LTS14424. Patients who enroll in LTS14424 after completing the EFC14153 EOS visit should have eligibility for LTS14424 reevaluated including background medication check and laboratory assessments (including complete blood count \[CBC\] with differential and basic chemistry) within 1 month prior to LTS14424 Visit 1. For Japan sub-study * Signed written inform consent/assent * Children 6 to \<12 years of age, with a physician diagnosis of persistent asthma for ≥12 months prior to screening * Blood eosinophil count ≥150 cells/μL or fractional exhaled nitric oxide (FeNO) ≥20 parts per billion (ppb) at screening visit (Visit 0). Exclusion criteria: * Any chronic lung disease other than asthma (eg, cystic fibrosis, bronchopulmonary dysplasia) which may impair lung function. * Inability to follow the procedures of the study/noncompliance (eg, due to language problems or psychological disorders). * Patients receiving concomitant treatment or required a new concomitant treatment prohibited in the study. * Patients or his/her parent(s)/caregiver(s)/legal guardian(s) is related to the Investigator or any Sub-Investigator, research assistant, pharmacist, study coordinator, other staff thereof directly involved in the conduct of the study. * Patients who experienced any hypersensitivity reactions to dupilumab in a previous dupilumab study, which, in the opinion of the Investigator, could indicate that continued treatment with dupilumab may present an unreasonable risk for the patient. * Any abnormalities or adverse events at screening (last treatment visit in the study EFC14153 will be the screening visit) that per Investigator judgment would adversely affect patient's participation in this study or would require permanent IMP discontinuation. * For female patients who have commenced menstruating at any time during the study and are either: * Found to have a positive urine pregnancy test, or * Sexually active, not using an established acceptable contraceptive method. * Planned live, attenuated vaccinations during the study. * Patients with active autoimmune disease or patients using immunosuppressive therapy for autoimmune disease (eg, juvenile idiopathic arthritis, inflammatory bowel disease, systemic lupus erythematosus) at enrollment. For Japan sub-study: * Any chronic lung disease other than asthma (eg, cystic fibrosis, bronchopulmonary dysplasia) which may impair lung function. * Inability to follow the procedures of the study/noncompliance (eg, due to language problems or psychological disorders). * Patients receiving concomitant treatment or required a new concomitant treatment prohibited in the study at the screening and enrollment visits. * Patients who previously have been treated with dupilumab * Diagnosed with active parasitic infection (helminthes); suspected or high risk of parasitic infection, unless clinical and (if necessary) laboratory assessments have ruled out active infection before randomization * Known or suspected history of immunosuppression, including history of invasive opportunistic infections (eg, histoplasmosis, listeriosis, coccidioidomycosis, pneumocystosis, aspergillosis), despite infection resolution; or unusually frequent, recurrent, or prolonged infections, per Investigator's judgment. The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Allergy & Asthma Research Center- Site Number : 8400003
San Antonio, Texas, 78229, United States
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Arizona Allergy and Immunology Research- Site Number : 8400002
Gilbert, Arizona, 85234, United States
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Asthma and Airway Disease Research Center Site Number : 8400012
Tucson, Arizona, 85274, United States
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Cincinnati Children's Hospital Medical Center Site Number : 8400008
Cincinnati, Ohio, 45229, United States
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Clinica de Alergia Martti Antila Site Number : 0760006
Sorocaba, São Paulo, 18040-425, Brazil
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Columbia University Medical Center- Site Number : 8400013
New York, New York, 10032, United States
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Division of Pulmonary Medicine and Allergy Medicine- Site Number : 8400006
St Louis, Missouri, 63110-1077, United States
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Hospital Sao Lucas da PUCRS- Site Number : 0760007
Porto Alegre, Rio Grande do Sul, 90610-000, Brazil
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Immunocarolina LLC Site Number : 8400004
Charlotte, North Carolina, 28277, United States
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Instituto da Criança of Hospital das Clínicas de São Paulo- Site Number : 0760004
São Paulo, São Paulo, 05403-000, Brazil
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Investigational Site Number : 0320001
CABA, Buenos Aires, C1414AIF, Argentina
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Investigational Site Number : 0320002
CABA, Buenos Aires, C1122AAK, Argentina
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Investigational Site Number : 0320003
Buenos Aires, C1121ABE, Argentina
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Investigational Site Number : 0320004
Vicente Lopez, Buenos Aires F.D., B1602DQD, Argentina
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Investigational Site Number : 0320006
Mendoza, 5500, Argentina
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Investigational Site Number : 0360005
North Adelaide, South Australia, 5006, Australia
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Investigational Site Number : 1240003
Québec, G1V 4W2, Canada
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Investigational Site Number : 1520001
Valdivia, Los Ríos Region, 5090145, Chile
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Investigational Site Number : 1520002
Viña del Mar, Valparaiso, 2520594, Chile
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Investigational Site Number : 1520005
Santiago, Reg Metropolitana de Santiago, 838-0418, Chile
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Investigational Site Number : 1520007
Viña del Mar, Valparaiso, 2520024, Chile
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Investigational Site Number : 1520009
Santiago, Reg Metropolitana de Santiago, 8380453, Chile
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Investigational Site Number : 1700002
Cali, 760043, Colombia
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Investigational Site Number : 1700004
Antioquia, 050010, Colombia
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Investigational Site Number : 3480001
Székesfehérvár, 8000, Hungary
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Investigational Site Number : 3480002
Gyula, 5700, Hungary
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Investigational Site Number : 3480003
Töröbálint, 2045, Hungary
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Investigational Site Number : 3480006
Budapest, 1089, Hungary
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Investigational Site Number : 3480007
Zalaegerszeg, 8900, Hungary
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Investigational Site Number : 3480008
Szigetvár, 7900, Hungary
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Investigational Site Number : 3480012
Mezőkövesd, 3400, Hungary
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Investigational Site Number : 3800003
Florence, 50139, Italy
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Investigational Site Number : 3800004
Padova, 35128, Italy
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Investigational Site Number : 3800005
Roma, 00146, Italy
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Investigational Site Number : 3920003
Sapporo, Hokkaido, 064-0821, Japan
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Investigational Site Number : 3920005
Yotsukaido-shi, Chiba, 284-0003, Japan
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Investigational Site Number : 3920008
Shibukawa, Gunma, 377-8577, Japan
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Investigational Site Number : 3920009
Habikino-Shi, 583-0872, Japan
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Investigational Site Number : 3920010
Ureshino-shi, Saga-ken, 843-0393, Japan
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Investigational Site Number : 3920011
Fukuoka, Fukuoka, 813-0017, Japan
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Investigational Site Number : 3920012
Tsu, Mie-ken, 514-0125, Japan
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Investigational Site Number : 3920013
Chiba, Chiba, 266-0007, Japan
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Investigational Site Number : 3920014
Onomichi-shi, Hiroshima, 722-8508, Japan
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Investigational Site Number : 3920015
Fukuoka, Fukuoka, 811-1394, Japan
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Investigational Site Number : 3920016
Chuo-ku, Chiba, 260-0001, Japan
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Investigational Site Number : 4400001
Vilnius, LT-08406, Lithuania
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Investigational Site Number : 4400003
Utena, LT-28151, Lithuania
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Investigational Site Number : 4400004
Vilnius, LT-09108, Lithuania
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Investigational Site Number : 4400005
Šiauliai, LT-76231, Lithuania
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Investigational Site Number : 4840001
Monterrey, Nuevo León, 64460, Mexico
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Investigational Site Number : 4840002
Veracruz, 91910, Mexico
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Investigational Site Number : 4840003
Durango, Durango, 34080, Mexico
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Investigational Site Number : 4840004
Chihuahua City, 31200, Mexico
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Investigational Site Number : 4840006
Chihuahua City, 31000, Mexico
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Investigational Site Number : 6160001
Lodz, Lódzkie, 90-329, Poland
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Investigational Site Number : 6160002
Poznan, Greater Poland Voivodeship, 60-693, Poland
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Investigational Site Number : 6430001
Saint Petersburg, 194100, Russia
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Investigational Site Number : 6430002
Saint Petersburg, 193312, Russia
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Investigational Site Number : 6430003
Saint Petersburg, 196158, Russia
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Investigational Site Number : 6430004
Perm, 614066, Russia
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Investigational Site Number : 6430005
Saint Petersburg, 197101, Russia
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Investigational Site Number : 7100001
Cape Town, 7700, South Africa
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Investigational Site Number : 7240001
Barcelona, Barcelona [Barcelona], 08035, Spain
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Investigational Site Number : 7920001
Ankara, Turkey (Türkiye)
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Investigational Site Number : 7920003
Istanbul, Turkey (Türkiye)
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Investigational Site Number : 7920004
Istanbul, Turkey (Türkiye)
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Investigational Site Number : 7920005
Adana, 01339, Turkey (Türkiye)
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Investigational Site Number : 8040001
Kyiv, 03115, Ukraine
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Investigational Site Number : 8040002
Zaporizhzhya, 69063, Ukraine
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Investigational Site Number : 8040003
Zaporizhzhya, 69076, Ukraine
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Investigational Site Number : 8040004
Dnipro, 49101, Ukraine
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Investigational Site Number : 8040005
Kharkiv, 61093, Ukraine
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Investigational Site Number : 8040007
Chernivtsi, 58023, Ukraine
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Investigational Site Number : 8040008
Kryvyi Rig, 50082, Ukraine
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Irmandade da Santa Casa de Misericordia de Porto Alegre- Site Number : 0760001
Porto Alegre, Rio Grande do Sul, 90020-090, Brazil
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Northwell Health- Site Number : 8400023
Great Neck, New York, 11021, United States
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OK Clinical Research, LLC- Site Number : 8400024
Edmond, Oklahoma, 73034, United States
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Peninsula Research Associates Site Number : 8400001
Rolling Hills Estates, California, 90274, United States
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Rochester Regional Health- Site Number : 8400007
Rochester, New York, 14607, United States
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Somnos Clinical Research Site Number : 8400022
Lincoln, Nebraska, 68505, United States
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Unidade Ambulatorial de Pesquisa Clinica I - NGP - UNIFESP- Site Number : 0760002
São Paulo, São Paulo, 04037-002, Brazil
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