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. 2016 Feb;17(1):87-97.
doi: 10.1007/s40257-015-0169-x.

US Perspectives in the Management of Psoriasis and Psoriatic Arthritis: Patient and Physician Results from the Population-Based Multinational Assessment of Psoriasis and Psoriatic Arthritis (MAPP) Survey

Mark G Lebwohl  1 , Arthur Kavanaugh  2 , April W Armstrong  3 , Abby S Van Voorhees  4
Affiliations

US Perspectives in the Management of Psoriasis and Psoriatic Arthritis: Patient and Physician Results from the Population-Based Multinational Assessment of Psoriasis and Psoriatic Arthritis (MAPP) Survey

Mark G Lebwohl et al. Am J Clin Dermatol. 2016 Feb.

Abstract

Background: The Multinational Assessment of Psoriasis and Psoriatic Arthritis (MAPP), a population-based survey of patients, dermatologists, and rheumatologists, was conducted for better understanding of the unmet needs of psoriasis and psoriatic arthritis (PsA) patients.

Objective: To report results from US physicians and patients.

Methods: Adults were contacted by household telephone, using random digit dialing, and asked to participate if they had ever been diagnosed with psoriasis or PsA. Physicians were identified through national databases and contacted through random sampling methods.

Results: In the USA, 1005 patients, 101 dermatologists, and 100 rheumatologists were surveyed. PsA had been diagnosed in 270 patients (26.9%). Of those with psoriasis alone, fewer than 60% (versus 85.6% of PsA patients) had seen a healthcare provider within 12 months. Joint pain was reported by 51.8% of psoriasis patients without a diagnosis of PsA, and 37.6% of dermatologists cited their greatest challenge in managing PsA patients as being differentiating PsA from other arthritic diseases. Itching was reported by 36% of psoriasis patients versus 12% of dermatologists as the most important factor contributing to disease severity. Patients reported lower rates of current treatment than did dermatologists and rheumatologists. Conventional oral and biologic therapies were used by 24.9 and 17.7% of patients, respectively. Among patients who had received injectable biologics, treatment dissatisfaction was related to long-term safety/tolerability, injection-related anxiety/fear, and cost.

Conclusion: This large, population-based survey identified unmet needs in the management of psoriasis and PsA patients in the USA, including assessment of disease severity, PsA diagnosis, undertreatment, and satisfaction with therapy.

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Figures

Fig. 1
Fig. 1
Top five most important factors contributing to disease severity in psoriasis (a) and psoriatic arthritis (b), as reported by patients and physicians
Fig. 2
Fig. 2
Most common patient-reported reasons for conventional oral therapy (a) and biologic therapy (b) being burdensome
Fig. 3
Fig. 3
Most common reasons for patients discontinuing conventional oral therapy (a) and for dermatologists (b) and rheumatologists (c) not initiating or continuing conventional oral therapy
Fig. 4
Fig. 4
Most common reasons for patients discontinuing biologic therapy (a) and for dermatologists (b) and rheumatologists (c) not initiating or continuing biologic therapy
See this image and copyright information in PMC

References

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