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Background and Objective <p>There is a need for long-term atopic dermatitis (AD) treatments that can effectively improve AD involvement of the head and neck (H&amp;N) region (referred to as H&amp;N AD). Tralokinumab, a high-affinity monoclonal antibody that neutralizes interleukin-13, is approved for the treatment of moderate-to-severe AD. Recent real-world studies have observed the effectiveness of tralokinumab for H&amp;N AD. Here, data from phase III parent trials, ECZTRA 1 and ECZTRA 2, and the long-term extension trial, ECZTEND, were used to assess impacts of long-term tralokinumab treatment on H&amp;N AD and the association between improvements in H&amp;N AD and patient quality of life, and to evaluate whether a proportion of patients developed paradoxical H&amp;N erythema.</p> Methods <p>These post hoc analyses included data from all patients initiated on tralokinumab in ECZTRA 1 or ECZTRA 2. Patients were treated up to 4 years (i.e., up to 52 weeks in ECZTRA 1 or ECZTRA 2 plus up to 152 weeks in ECZTEND). Outcomes included body region subscores of the Eczema Area and Severity Index (EASI; H&amp;N, upper limbs, trunk, lower limbs) and the Dermatology Life Quality Index (DLQI). Correlations between H&amp;N EASI and DLQI were assessed with Spearman’s correlation coefficient (ρ). The incidence of paradoxical H&amp;N erythema (defined as H&amp;N EASI erythema increasing from baseline to a score of 3, while all other regional EASI subscores are 0 or 1, during two or more consecutive visits) was also assessed.</p> Results <p>Overall, 1192 patients who were initiated on tralokinumab in ECZTRA 1 and ECZTRA 2, of whom 523 patients opted to continue in ECZTEND, were analyzed. Percentages of patients who had H&amp;N EASI ≤ 1 increased from 12.2% at parent trial baseline to 87.2% by week 152 of ECZTEND. Improvements in EASI subscore outcomes from parent trial baseline were comparable across body regions throughout all timepoints of the study. At parent trial week 16, H&amp;N EASI was moderately correlated with total DLQI (ρ = 0.47), with the strongest numerical correlations observed for DLQI questions regarding skin discomfort (ρ = 0.43) and embarrassment due to skin (ρ = 0.40). During up to 4 years of treatment, seven tralokinumab-treated patients exhibited paradoxical H&amp;N erythema, five of whom improved to absent or mild H&amp;N EASI erythema with continued tralokinumab treatment.</p> Conclusions <p>Tralokinumab provided progressive and sustained improvements in H&amp;N AD, with H&amp;N EASI 0/1 observed in nearly 90% of patients treated up to 4 years. Improvements in H&amp;N EASI were similar to improvements observed for other body regions and were associated with improvements in patient quality of life, particularly for skin discomfort and self-consciousness/embarrassment due to skin.</p> Clinical Trial Registration <p>NCT03131648 (ECZTRA 1); study start date: 30 May, 2017; primary completion date: 7 August, 2018; study completion date: 10 October, 2019. NCT03160885 (ECZTRA 2); study start date: 12 June, 2017; primary completion date: 4 September, 2019; study completion date: 14 August, 2019. NCT03587805 (ECZTEND); study start date: 18 March, 2018; data cut-off date: 30 April, 2022; primary completion date: 3 July, 2024; study completion date: 3 July, 2024.</p> Graphical Abstract <p></p>

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Long-Term Disease Control and Minimal Disease Activity of Head and Neck Atopic Dermatitis in Patients Treated with Tralokinumab up to 4 Years

  • 期刊论文

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  • 发表日期：

    2025年3月14日

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  • Raj Chovatiya,
  • Simone Ribero,
  • Andreas Wollenberg,
  • Chang Ook Park,
  • Juan Francisco Silvestre,
  • H. Chih-Ho Hong,
  • Julien Seneschal,
  • Hidehisa Saeki,
  • Jacob P. Thyssen,
  • Christian Bjerregård Øland,
  • Le Gjerum,
  • Douglas Maslin,
  • Andrew Blauvelt

摘要

Background and Objective

There is a need for long-term atopic dermatitis (AD) treatments that can effectively improve AD involvement of the head and neck (H&N) region (referred to as H&N AD). Tralokinumab, a high-affinity monoclonal antibody that neutralizes interleukin-13, is approved for the treatment of moderate-to-severe AD. Recent real-world studies have observed the effectiveness of tralokinumab for H&N AD. Here, data from phase III parent trials, ECZTRA 1 and ECZTRA 2, and the long-term extension trial, ECZTEND, were used to assess impacts of long-term tralokinumab treatment on H&N AD and the association between improvements in H&N AD and patient quality of life, and to evaluate whether a proportion of patients developed paradoxical H&N erythema.

Methods

These post hoc analyses included data from all patients initiated on tralokinumab in ECZTRA 1 or ECZTRA 2. Patients were treated up to 4 years (i.e., up to 52 weeks in ECZTRA 1 or ECZTRA 2 plus up to 152 weeks in ECZTEND). Outcomes included body region subscores of the Eczema Area and Severity Index (EASI; H&N, upper limbs, trunk, lower limbs) and the Dermatology Life Quality Index (DLQI). Correlations between H&N EASI and DLQI were assessed with Spearman’s correlation coefficient (ρ). The incidence of paradoxical H&N erythema (defined as H&N EASI erythema increasing from baseline to a score of 3, while all other regional EASI subscores are 0 or 1, during two or more consecutive visits) was also assessed.

Results

Overall, 1192 patients who were initiated on tralokinumab in ECZTRA 1 and ECZTRA 2, of whom 523 patients opted to continue in ECZTEND, were analyzed. Percentages of patients who had H&N EASI ≤ 1 increased from 12.2% at parent trial baseline to 87.2% by week 152 of ECZTEND. Improvements in EASI subscore outcomes from parent trial baseline were comparable across body regions throughout all timepoints of the study. At parent trial week 16, H&N EASI was moderately correlated with total DLQI (ρ = 0.47), with the strongest numerical correlations observed for DLQI questions regarding skin discomfort (ρ = 0.43) and embarrassment due to skin (ρ = 0.40). During up to 4 years of treatment, seven tralokinumab-treated patients exhibited paradoxical H&N erythema, five of whom improved to absent or mild H&N EASI erythema with continued tralokinumab treatment.

Conclusions

Tralokinumab provided progressive and sustained improvements in H&N AD, with H&N EASI 0/1 observed in nearly 90% of patients treated up to 4 years. Improvements in H&N EASI were similar to improvements observed for other body regions and were associated with improvements in patient quality of life, particularly for skin discomfort and self-consciousness/embarrassment due to skin.

Clinical Trial Registration

NCT03131648 (ECZTRA 1); study start date: 30 May, 2017; primary completion date: 7 August, 2018; study completion date: 10 October, 2019. NCT03160885 (ECZTRA 2); study start date: 12 June, 2017; primary completion date: 4 September, 2019; study completion date: 14 August, 2019. NCT03587805 (ECZTEND); study start date: 18 March, 2018; data cut-off date: 30 April, 2022; primary completion date: 3 July, 2024; study completion date: 3 July, 2024.

Graphical Abstract