Background: Psoriasis is a complex, chronic disease with increasing global incidence. Studies on the effectiveness of psoriasis therapy in Indonesia are limited. This study aimed to evaluate the patient’s clinical improvement with moderate-to-severe psoriasis vulgaris using the Psoriasis Area and Severity Index with ≥75% score reduction (PASI75). Methods: This is a retrospective study involving patients diagnosed with psoriasis vulgaris who visited the Dermatology and Venereology Outpatient Clinic in Dr. Soetomo General Hospital between January 2016 and December 2018. The electronic medical record obtained data on demographic characteristics, the number of visits, psoriasis at initial (PASI) score before and after treatment, type and dose of treatment, and comorbidities. Data were analyzed using SPSS version 23 for Windows. Results: Overall, 54 patients with psoriasis vulgaris were included. Almost all subjects were adults (≥18 years old) and presented with severe PASI (PASI score > 10) (96.3%). The majority of the subjects (64.8%) successfully achieved PASI75. Most subjects received methotrexate (72.2%); the most frequent dosage was 15 mg/week (61.5%). A significant association was found between methotrexate treatment and a larger improvement in PASI scores (p=0.001). Conclusion: moderate-to-severe psoriasis therapy in terms of PASI75 achieved a satisfactory success rate of 64.8%, and the improvement of PASI score was significantly better in patients who received methotrexate. Further studies in Indonesia are needed to explore the effectiveness of psoriasis therapy and its factors.

Original languageEnglish
Pages (from-to)328-333
Number of pages6
JournalBali Medical Journal
Issue number1
Publication statusPublished - 2022


  • Clinical Improvement
  • Methotrexate
  • PASI
  • Psoriasis


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