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- by Eo, Yun-Ho Dec 17, 2025 09:50am
The reimbursement coverage of the dual interleukin inhibitor Dupixent is expected to expand further in Korea.According to industry sources, Sanofi Korea has recently concluded price negotiations with the National Health Insurance Service (NHIS) for Dupixent (dupilumab), a biologic that inhibits both interleukin-4 (IL-4) and interleukin-13 (IL-13), for the indication of moderate-to-severe type 2 inflammatory asthma in adults and adolescents.This achievement comes approximately three months after the drug passed the Health Insurance Review and Assessment Service's Drug Reimbursement Evaluation Committee in September.As a result, starting in 2026, Dupixent is expected to become reimbursable for patients with type 2 inflammatory asthma.First approved in Korea in 2018, Dupixent was initially listed for reimbursement in 2020 for the treatment of atopic dermatitis, with its reimbursement criteria gradually expanded over time. With the latest expansion into asthma, including adolescent patients, attention is now turning to whether the company will apply for reimbursement listing of its additional indications, such as chronic rhinosinusitis with nasal polyps and chronic obstructive pulmonary disease (COPD).The efficacy of Dupixent for asthma, for which the drug price negotiation was concluded this time, was demonstrated through the Phase III TRAVERSE study. This study drew attention as it also released results from a Korean subgroup analysis.According to the study, Dupixent demonstrated long-term efficacy up to 96 weeks and a consistent safety profile in Korean adolescents aged 12 years and older and adults with moderate-to-severe asthma. This reaffirms that Dupixent is an important treatment option for Korean patients with moderate-to-severe asthma, for whom long-term treatment data are limited.The Phase III TRAVERSE Open-Label Extension (OLE) study enrolled 2,282 patients with uncontrolled moderate-to-severe asthma who had previously participated in a Dupixent clinical trial.Patients enrolled in the TRAVERSE study after completing either a Phase II clinical trial (DRI study, 24 weeks) or a Phase III clinical trial (QUEST study, 52 weeks) and received an additional 96 weeks of Dupixent 300mg every 2 weeks. A subgroup analysis was conducted on 74 adolescent and adult patients aged 12 years and older enrolled at domestic study sites.Results showed that the unadjusted annualized rate of severe exacerbations was low at 0.47 throughout the treatment period. As early as two weeks after treatment initiation, patients experienced a rapid improvement in lung function, with a mean increase of 0.42 L (SD 0.47) in pre-bronchodilator FEV₁, which was sustained through week 96. In addition, the five-item Asthma Control Questionnaire (ACQ-5) score improved by a mean of –1.32 (SD 0.76) from baseline at week 48, indicating better asthma control.