WAIKOLOA, HAWAII – Topical calcipotriene/betamethasone diproprionate combination products as first-line therapy for newly diagnosed plaque psoriasis result in significantly fewer office visits and lower total health care costs than any other topical psoriasis medications.
That’s the central finding of a retrospective analysis of the MarketScan insurance claims database that included 1 year of follow-up of 7,307 patients placed on calcipotriene/betamethasone dipropionate combination products immediately after diagnosis of plaque psoriasis and 9,670 others who received prescriptions for other topical agents.
Dr. Steven R. Feldman
During that first year of treatment, patients on various formulations of calcipotriene/betamethasone dipropionate had a mean of 2.79 psoriasis-related office visits and 13.36 total office visits, compared with 4.25 and 16.08 visits, respectively, for patients on other topical psoriasis medications (P less than .0001), Dr. Steven R. Feldman reported in a poster at the Hawaii Dermatology Seminar sponsored by Global Academy for Medical Education/Skin Disease Education Foundation.
Mean total health care costs per patient, including pharmacy costs and inpatient and outpatient care, also were significantly lower in the group on calcipotriene/betamethasone dipropionate at $7,786, compared with $11,757, according to Dr. Feldman, professor of dermatology, pathology, and public health sciences and director of the Center for Dermatology Research at Wake Forest University in Winston-Salem, N.C.
There were important baseline differences between the two groups. Of the patients treated with calcipotriene/betamethasone dipropionate, 88% had mild psoriasis, as did only 62% of the patients on other topicals. Psoriatic arthritis was present in 3% of patients on calcipotriene/betamethasone diproprionate, compared with 8% on other topical medications. In a statistical model that adjusted for these and other differences, health care costs during 1 year of follow-up remained significantly lower in the calcipotriene/betamethasone dipropionate group.
The study was funded by LEO Pharma. Dr. Feldman reported receiving research grants from LEO and a couple of dozen other pharmaceutical companies. He also serves as a consultant to 10 pharmaceutical companies.
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