Risk of Candida Infection and Serious Infections in Patients with Moderate-to-Severe Psoriasis Receiving Biologics: A

Yue Feng1, Baosen Zhou2, Zhen Wang1

  • 1Department of Dermatology, Shenyang Seventh People's Hospital, Shenyang 110001, Liaoning, China.

Abstract

Insights

Biological agents for psoriasis, particularly anti-interleukin-17 (IL-17) therapies, increase the risk of Candida infections. However, these biologic agents do not elevate the risk of serious infections in patients with moderate-to-severe plaque psoriasis.

Area of Science:

  • Immunology
  • Dermatology
  • Infectious Diseases

Background:

  • Biologic agents are used to treat moderate-to-severe plaque psoriasis.
  • Previous observations suggest an association between these agents and infections, including Candida species.
  • The specific risks of Candida and serious infections among different biologics require verification.

Purpose of the Study:

  • To evaluate whether biologic agents increase the risk of Candida infections and serious infections in patients with moderate-to-severe plaque psoriasis.
  • To compare the risks of these infections among different classes of biologic agents.

Main Methods:

  • A systematic literature search of PubMed, EMBASE, and Cochrane Library was conducted for randomized controlled trials (RCTs) up to December 2021.
  • Peto's method with a fixed-effects model was used to pool results from individual RCTs.
  • Heterogeneity was assessed using I-squared, bias risk was examined using a Cochrane collaboration tool, and evidence quality was evaluated using GRADE criteria.

Main Results:

  • Data from 52 RCTs involving 27,297 participants were analyzed.
  • Anti-interleukin (IL)-17 agents and anti-IL-12/23 agents were associated with an increased risk of Candida infection compared to placebo.
  • No significant difference in Candida infection risk was found between anti-IL-17 agents and tumor necrosis factor inhibitors (TNFi).
  • No evidence indicated an increased risk of serious infections with biologic agents in adult psoriasis patients, nor significant differences in serious infection risk among biologics.

Conclusions:

  • Anti-IL-17 agents, notably secukinumab, are linked to a higher risk of Candida infection.
  • Clinically utilized biologic agents did not demonstrate an increased risk of serious infections in the studied population.
  • Further research may be warranted to refine risk stratification for specific biologic therapies.

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