Título:
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Complete clearance and psoriasis area and severity index response for brodalumab and ustekinumab in AMAGINE-2 and -3
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Autor/a:
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Warren, R. B.; Hansen, Jes Birger; Reich, K.; Paul, C.; Puig Sanz, Lluís; Universitat Autònoma de Barcelona
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Abstract:
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Altres ajuts: The AMAGINE-1, AMAGINE-2 and AMAGINE- 3 trials were sponsored by Amgen and AstraZeneca; this analysis was performed by LEO Pharma. Medical writing support was provided by Ian Eustace from Adelphi Communications Ltd, Bollington, UK, funded by LEO Pharma. |
Abstract:
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Background: Modern biologics achieve complete skin clearance [100% improvement in psoriasis area and severity index (PASI 100)] in 30-45% of psoriasis patients. Cumulative benefit considering rapidity, frequency and sustainability of response has not been thoroughly investigated. Objectives: Compare the frequency, rapidity and sustainability of PASI 90 and 100 response in patients with moderate-to-severe psoriasis treated with brodalumab or ustekinumab. Methods: Integrated analyses of the brodalumab Phase III AMAGINE-2 (NCT01708603) and -3 (NCT01708629) trials were performed to determine proportion of patients achieving PASI response per visit; corresponding odds ratios (OR) were calculated. Cumulative clinical benefit of treatment was determined with area-under-the-curve (AUC) analysis. Cumulative incidence of response was analysed using a competing risk model of PASI response or rescue. Sustained response was evaluated by time to inadequate response using Kaplan-Meier methods. Proportion of time spent in different response states was descriptively analysed. Association between PASI response and health-related quality of life [Dermatology Life Quality Index (DLQI)] was assessed using data from all treatment groups from AMAGINE-1, -2 and -3. Results: A significantly higher proportion of patients treated with brodalumab achieved PASI 100 vs. ustekinumab (Week 52: 51% vs. 28%; OR [95% CI] 2.8 [2.1, 3.7]; P < 0.0001), with significant differences observed from Week 4. Cumulative benefit through 52 weeks was 69% higher with brodalumab (AUC ratio: 1.69; P < 0.001). Brodalumab patients were also significantly more likely to achieve a PASI 100 at least once over 52 weeks vs. ustekinumab (76% vs. 52%; P < 0.0001). Once response was achieved, brodalumab patients had a low likelihood of failure or need for rescue. There was significant positive association between PASI response level and DLQI0/1 achievement (P < 0.0001). Conclusion: Brodalumab treatment resulted in significantly higher levels of skin clearance, longer sustained response and greater cumulative treatment benefit vs. ustekinumab. |
Materia(s):
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-Antibodies, Monoclonal, Humanized -Dermatologic Agents -Humans -Psoriasis -Quality of Life -Severity of Illness Index -Treatment Outcome -Ustekinumab |
Derechos:
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open access
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Tipo de documento:
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Article |
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Uri:
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https://ddd.uab.cat/record/269948
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