Atualização sobre Psoríase Pustulosa Generalizada

Autores

  • Tiago Torres Department of Dermatology. Unidade Local de Saúde de Santo António. Porto. Portugal; Instituto de Ciências Biomédicas Abel Salazar. Universidade do Porto. Porto. Portugal.
  • Joana Antunes Depatment of Dermatology. Unidade Local de Saúde de Santa Maria. Lisbon. Portugal.
  • Rui Tavares Bello Hospital Lusíadas Lisboa. Lisbon. Portugal.
  • Paulo Varela Depatment of Dermatology. Unidade Local de Saúde de Gaia. Porto. Portugal.
  • Martinha Henrique Depatment of Dermatology. Unidade Local de Saúde de Leiria. Leiria. Portugal.
  • Gabriela Marques Pinto Department of Dermatology. Unidade Local de Saúde de São José. Lisbon. Portugal.
  • Américo Figueiredo Department name. Universidade de Coimbra. Coimbra. Portugal.
  • Osvaldo Correia Centro de Dermatologia Epidermis. Instituto CUF. Porto. Portugal; Center for Health Technology and Services Research. Universidade do Porto. Porto. Portugal; Basic and Clinical Immunology Unit. Department of Pathology. Faculdade de Medicina. Universidade do Porto. Porto. Portugal.
  • Paulo Filipe Depatment of Dermatology. Unidade Local de Saúde de Santa Maria. Lisbon. Portugal.
  • Francisco Menezes Brandão Consultório Privado. Lisboa. Portugal.

DOI:

https://doi.org/10.20344/amp.22672

Palavras-chave:

Anticorpos Monoclonais Humanizados/uso terapêutico, Interleucinas/ Psoríase/tratamento farmacológico

Resumo

A psoríase pustulosa generalizada (PPG) é uma doença inflamatória da pele, rara embora potencialmente grave, caracterizada pelo aparecimento de pústulas estéreis generalizadas, frequentemente acompanhadas por inflamação sistémica. Embora possa coexistir com psoríase em placas, a PPG é cada vez mais reconhecida como uma entidade distinta, com características clinicopatológicas, imunológicas e genéticas únicas. A desregulação da via da interleucina-36, incluindo mutações no gene IL36RN, está implicada na patogénese da PPG, proporcionando uma base molecular para terapêutica dirigidas. O diagnóstico de PPG requer uma avaliação abrangente, incluindo as características clínicas, possíveis fatores desencadeantes, antecedentes do doente, achados histopatológicos e resultados laboratoriais. A gravidade da doença deve ser avaliada através do atingimento cutâneo e do envolvimento sistémico, uma vez que as exacerbações da PPG podem levar a complicações com potencial risco de vida, incluindo sépsis e falênciamultiorgânica. Historicamente, o tratamento da PPG era baseado em terapêuticas aprovadas para a psoríase em placas, apesar da sua limitada especificidade para esta condição. Os avanços recentes na compreensão dos mecanismos moleculares da PPG, particularmente o papel central da via de interleucina-36, levaram ao desenvolvimento de moléculas direcionadas para esta doença rara. Atualmente, o spesolimab é a única terapêutica especificamente aprovada para o tratamento de exacerbações da PPG em adolescentes e adultos, tanto na Europa como nos Estados Unidos da América. No entanto, a gestão da PPG continua a ser complexa e desafiante. Esta revisão narrativa oferece uma visão geral da epidemiologia, fisiopatologia, características clínicas, comorbilidades e estratégias terapêuticas em evolução para a PPG.

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Publicado

2025-05-02

Como Citar

1.
Torres T, Antunes J, Tavares Bello R, Varela P, Henrique M, Marques Pinto G, Figueiredo A, Correia O, Filipe P, Menezes Brandão F. Atualização sobre Psoríase Pustulosa Generalizada. Acta Med Port [Internet]. 2 de Maio de 2025 [citado 6 de Dezembro de 2025];38(5):321-30. Disponível em: https://www.actamedicaportuguesa.com/revista/index.php/amp/article/view/22672

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