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Region Hovedstaden - en del af Københavns Universitetshospital
E-pub ahead of print

Trial Characteristics as Contextual Factors when Evaluating Targeted Therapies in Patients with Psoriatic Disease: A Meta-Epidemiological Study

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

DOI

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OBJECTIVES: To assess the importance of trial characteristics as contextual factors when evaluating treatment effect of targeted therapies for patients with psoriatic disease.

METHODS: We identified randomized controlled trials (RCTs) evaluating targeted therapies approved for psoriatic arthritis (PsA) and psoriasis (8 biologics and apremilast). The effect of targeted therapies was analyzed in the two psoriatic conditions combined by using drug retention as common outcome, and separately by using ACR20 for PsA and PASI75 for psoriasis. We explored potential effect modification of trial characteristics in stratified and meta-regression analyses. Odds ratios (OR) were calculated and compared among the trial eligibility criteria via the Ratio of Odds Ratios (ROR).

RESULTS: Forty-eight PsA and psoriasis trials (51 comparisons, 17,737 patients) were eligible. Overall retention was OR 2.16 (1.70 to 2.75) with higher odds for PsA trials compared with psoriasis trials (ROR = 2.55 [1.64 to 3.97]). The eligibility criteria "targeted therapy history", "minimum required disease duration", "required negative rheumatoid factor", and "required CASPAR criteria" were of importance for achieving ACR20 in PsA. The eligibility criterion "minimum required disease duration" was of importance for achieving PASI75 in psoriasis. 7 PsA trials had rescue before time point of retention reporting (adaptive trials).

CONCLUSION: From this exploratory meta-epidemiological study we now have evidence from RCTs to support that patients with PsA are more likely to adhere to targeted therapies compared to patients with psoriasis. Furthermore, we identified a few contextual factors of importance in regard to achieving ACR20 in PsA trials and PASI75 in psoriasis trials. This article is protected by copyright. All rights reserved.

OriginalsprogEngelsk
TidsskriftArthritis Care & Research
ISSN2151-464X
DOI
StatusE-pub ahead of print - 2018

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