Bimekizumab as-needed dosing in patients with psoriasis: a case series

Carlota Abbad-Jaime De Aragón1,2, Emilio Berna-Rico1,2, Pedro Jaén1,2

  • 1Department of Dermatology, Hospital Universitario Ramón y Cajal, IRYCIS, Madrid, Spain.

Abstract

Insights

This study explored an off-label, as-needed dosing strategy for bimekizumab in psoriasis patients. The results show high efficacy in maintaining PASI90 response with no observed adverse events.

Area of Science:

  • Dermatology
  • Immunology
  • Pharmacology

Background:

  • Psoriasis treatment has advanced, yet studies on off-label dosing of biologic therapies remain scarce.
  • Biologic therapies offer significant benefits for moderate-to-severe psoriasis.

Purpose of the Study:

  • To evaluate the efficacy and safety of an off-label, as-needed bimekizumab dosing regimen for moderate-to-severe psoriasis.
  • To assess the maintenance of optimal skin control (PASI90 response) over time with this dosing strategy.

Main Methods:

  • Retrospective case series of 28 patients with moderate-to-severe psoriasis treated with bimekizumab over 64 weeks.
  • Off-label, as-needed dosing strategy initiated with two doses at Weeks 0 and 4, with subsequent doses based on maintaining PASI90 response.

Main Results:

  • Twenty-seven of 28 patients achieved PASI90 response after initial bimekizumab doses.
  • All patients maintained PASI90 response throughout the study period with as-needed dosing.
  • No adverse events were reported during the study.

Conclusions:

  • An off-label, as-needed bimekizumab dosing strategy appears effective for maintaining PASI90 response in psoriasis patients.
  • Further prospective studies are needed to compare this regimen with standard on-label dosing.

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