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Certain biologics May Reduce Infection Risk among elderly with Psoriasis: JAMA

A new cohort study published in Journal of American Medical Association suggests that biologics targeting IL-12, IL-23, and IL-17 may be associated with lower rates of serious infection among older adults with psoriasis and psoriatic arthritis. Therefore considering their established efficacy, these biologics could be preferred over other treatment options for older patients. This study was conducted by Aaron M. and fellow researchers in Canada.
Systemic treatments for psoriatic disease affect immune function and may raise the risk of infections. Since older persons are at increased risk for infections, the relative safety of these treatments is important to know. This cohort study used population-based health administrative linked data in Ontario between 2002 and 2021. The research involved Ontario residents aged 66 years and older who were newly prescribed their first systemic psoriatic disease medication from April 1, 2002, to December 31, 2020. Data analysis took place between November 2021 and August 2024.
Participants were grouped according to the systemic medication prescribed to them, including:
Methotrexate
Other older systemic agents
Anti-tumor necrosis factor (anti-TNF) biologics
Other biologics (IL-12, IL-23, IL-17 targeting)
Tofacitinib
The main exposure was time-varying use of these agents, and the main outcome was time to serious infection, which was hospitalization for any infectious reason through March 2021.
Key Findings
There were a total of 11,641 patients enrolled, of whom 6,114 (53%) were female and median age 71 years (IQR: 68-76 years).
There were 1,967 serious infections during a median follow-up of 4.8 years (IQR: 2.3-8.4 years).
Rates of infections per 100 person-years differed by treatment group:
Methotrexate: 2.7 infections
Other older systemic therapies: 2.5 infections
Anti-TNF biologics: 2.2 infections
Other biologics (IL-12, IL-23, IL-17): 1.4 infections
Tofacitinib: 8.9 infections
Adjusted relative risk (RR) of serious infections versus non-use of respective treatments:
Methotrexate: RR = 0.95 (95% CI: 0.85-1.07)
Other older systemic therapies: RR = 0.92 (95% CI: 0.79-1.07)
Anti-TNF biologics: RR = 0.87 (95% CI: 0.69-1.10)
Other biologics (IL-12, IL-23, IL-17): RR = 0.65 (95% CI: 0.48-0.88)
Tofacitinib: RR = 2.89 (95% CI: 1.14-7.34)
Other biologics (IL-12, IL-23, IL-17) were associated with a reduced incidence of serious infections, whereas tofacitinib had an increased risk of infections.
The study authors conclude that biologics against IL-12, IL-23, and IL-17 can be a safer choice for elderly patients with psoriatic disease because they are less likely to cause serious infections. Conversely, tofacitinib was associated with a considerably increased risk of infection, necessitating cautious use in clinical practice. These results highlight the value of personalized treatment decisions to reconcile efficacy and safety in elderly patients with psoriatic disease.
Reference:
Dr Riya Dave has completed dentistry from Gujarat University in 2022. She is a dentist and accomplished medical and scientific writer known for her commitment to bridging the gap between clinical expertise and accessible healthcare information. She has been actively involved in writing blogs related to health and wellness.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751