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  • Title: Long-term maintenance treatment of moderate-to-severe plaque psoriasis with infliximab in combination with methotrexate or azathioprine in a retrospective cohort.
    Author: Dalaker M, Bonesrønning JH.
    Journal: J Eur Acad Dermatol Venereol; 2009 Mar; 23(3):277-82. PubMed ID: 19207642.
    Abstract:
    BACKGROUND: Effective, fast-acting and safe therapies are needed for long-term maintenance treatment of psoriasis. In October 2005, infliximab was approved for the treatment of moderate-to-severe plaque psoriasis, but long-term data are limited. OBJECTIVE: To evaluate the effectiveness of infliximab, used in combination with methotrexate or azathioprine, in maintaining clinical benefit in patients with moderate-to-severe psoriasis. METHODS: The medical charts of 23 patients treated with infliximab from August 2001 to February 2007 were retrospectively reviewed. Most patients received either infliximab 3 mg/kg (17 of 23) or 5 mg/kg (1 of 23) in combination with methotrexate, while 5 of 23 patients received infliximab 5 mg/kg in combination with azathioprine. Psoriasis Area Severity Index (PASI) score and adverse events were recorded at every infliximab infusion visit at the hospital. RESULTS: Patient data were available for a minimum of 4 weeks and up to 5 years and 5 months. At week 14, 91.3% achieved PASI 50, 69.6% achieved PASI 75, and 39.1% achieved PASI 90. Only two patients discontinued therapy due to loss of response: one after 15 months and one after 3 years. All other patients displayed a good clinical response (> or = PASI 50) and were still receiving this regimen at last observation. Combination regimens of infliximab with methotrexate or azathioprine were well tolerated, and only one patient discontinued therapy because of an adverse event (lung embolism) after two infusions with infliximab. CONCLUSIONS: Long-term (> 1 year) maintenance therapy of infliximab combined with methotrexate or azathioprine is effective and well tolerated for moderate-to-severe plaque-type psoriasis.
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