Mode
Text Size
Log in / Sign up

Dupilumab 300 mg every 2 weeks sustains FEV improvements and low exacerbation ratesTrial Shows Dupilumab Maintains Asthma Control for Long Periods

AI-generated summary of the cited source, checked by automated accuracy review. How we work

Key Takeaway
Note that dupilumab 300 mg every 2 weeks maintains low exacerbation rates and sustained FEV improvements through Week 96.

This open-label extension study included 596 patients with moderate-to-severe asthma across Latin American centers who had previously completed phase 2b or phase 3 dupilumab trials. The study evaluated the long-term effects of dupilumab 300 mg every 2 weeks over a follow-up period of 48 to 96 weeks, with a total duration of up to 148 weeks.

Primary outcomes included treatment-emergent adverse events, severe asthma exacerbations, pre-bronchodilator FEV, ACQ-5, AQLQ, and type 2 biomarkers. The annualized rate of severe exacerbations remained low, with absolute numbers ranging from 0.115 to 0.459. Pre-bronchodilator FEV showed sustained improvements to Week 96, with a mean change of 0.28 to 0.35 L. ACQ-5 and AQLQ scores showed improvements sustained to Week 48, and type 2 biomarkers decreased over time.

Safety data indicated that the treatment was consistent with the known dupilumab safety profile. However, the open-label nature of the study is a notable limitation for interpreting the magnitude of effect. These findings support the long-term clinical utility of dupilumab for patients with moderate-to-severe asthma in the Latin American region.

How this fits prior evidence

How this fits prior evidence: This study extends the evidence that biologics reduce severe asthma exacerbation rates in both clinical trials and real-world settings. It provides additional data on the long-term durability of these effects, specifically showing sustained FEV improvements and low exacerbation rates over a period of up to 148 weeks in a specific regional population.

This phase 3 clinical trial followed 596 patients with moderate to severe asthma in Latin American centers. The study looked at the effects of dupilumab, a medication given every two weeks, over a period of up to 148 weeks. Researchers tracked lung function, flare-up rates, and quality of life scores to see how the treatment performed over time.

The results showed that patients maintained better lung function through week 96. The rate of severe asthma flare-ups remained low throughout the study. Additionally, patients reported improvements in their quality of life and asthma control scores through week 48. The study also noted a decrease in specific type 2 biomarkers over time.

While the results are promising, it is important to note that this was an open-label study, which means the researchers and patients knew which treatment was being given. The safety profile was consistent with what is already known about dupilumab. These findings suggest that the medication may offer long-term benefits for certain asthma patients, but you should talk to your doctor to see if it is right for your specific needs.

What this means for you:
Dupilumab showed sustained improvements in lung function and lower flare-up rates for patients with severe asthma.

Common questions

How long did the study track the effects of dupilumab?

The study followed patients for a total duration of up to 148 weeks. During this time, researchers found that improvements in lung function were sustained through week 96, while improvements in asthma control and quality of life scores were sustained through week 48.

Was the medication safe for the patients in the study?

The safety results were consistent with the known safety profile of dupilumab. No new safety concerns were reported during the study period, and the treatment was used by 596 patients with moderate to severe asthma.

What specific improvements were seen in lung function?

Patients showed an increase in pre-bronchodilator forced expiratory volume in 1 second (FEV). These improvements were sustained through week 96, with a mean change of 0.28 to 0.35 L recorded during the study.

Study Details

Study typePhase3
EvidenceLevel 2
PublishedNov 2026
View Original Abstract ↓
OBJECTIVE: Uncontrolled asthma is common among Latin American patients. Dupilumab, a human monoclonal antibody, blocks the shared receptor component for interleukin (IL)-4 and IL-13, drivers of type 2 inflammation. METHODS: This analysis of 48-96 week open-label extension TRAVERSE (NCT0213402) study assessed dupilumab 300 mg every 2 wk up to 148 wk (parent study plus extension) in patients with moderate-to-severe asthma enrolled from Latin American centers who previously completed a dupilumab asthma study (phase 2b or phase 3 QUEST). Endpoints included treatment-emergent adverse events, severe asthma exacerbations, pre-bronchodilator forced expiratory volume in 1 s (FEV), 5-Item Asthma Control Questionnaire (ACQ-5), Asthma Quality of Life Questionnaire (AQLQ), and type 2 biomarkers. RESULTS: A total of 596 (28.9%) patients were enrolled from Latin American centers. Safety was consistent with the known dupilumab safety profile. Annualized rate of severe exacerbations remained low across patients (0.115-0.459). Improvements in pre-bronchodilator FEV were sustained to Week 96 (mean change from parent study baseline of 0.28-0.35 L) and in ACQ-5 and AQLQ scores to Week 48 (last assessed time-point). Patients receiving placebo during parent studies demonstrated improvements once switched to dupilumab in TRAVERSE. Patients receiving dupilumab during parent studies demonstrated further improvements in exacerbations, ACQ-5, and AQLQ. Type 2 biomarkers decreased over time. CONCLUSIONS: Consistent with results in the overall population, long-term efficacy and safety of dupilumab was observed in patients with moderate-to-severe asthma with a treatment duration of up to 148 wk, supporting the long-term benefits of dupilumab use in Latin American patients.
Free Newsletter

Clinical research that matters. Delivered to your inbox.

Join thousands of clinicians and researchers. No spam, unsubscribe anytime.