Journal of the American Academy of Dermatology · 2026
The effects of tildrakizumab in the epigenetic aging deviation of psoriasis: A 52-week open-label study.
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Macit Betul, Benca-Bachman Chelsie E, Qureshi Abrar, de Lima Camillo Lucas Paulo, Cho Eunyoung, McGeary John E, Wambier Carlos G
Аннотация
BACKGROUND: While biologic therapies targeting interleukin-23 control cutaneous inflammation in psoriasis, their impact on epigenetic aging has not been previously demonstrated.
OBJECTIVES: To evaluate the effects of tildrakizumab treatment in the epigenetic aging deviation of moderate-to severe psoriasis.
METHODS: In an open-label 52-week clinical trial, 20 adults with psoriasis were treated with tildrakizumab-asmn 100 mg injections until week 28. Ten age-matched controls without psoriasis were enrolled. Genome-wide DNA methylation was profiled in peripheral blood leukocyte DNA (MethylationEPICv2.0, Illumina) to calculate epigenetic aging clocks predictive of all-cause-mortality, phenotypic age, chronological age, pace of aging, and telomere length. Epigenetic age deviation was calculated as the residuals against chronological age.
RESULTS: Psoriasis patients had increased epigenetic age deviation in clocks predictive of mortality: PCGrimAge (P = .008), cytosine-phosphate-guanine (CpG) PTPCGrimAge3 (P = .019), CpGPTGrimAge3 (P = .019), GrimAge2 (P = .049). PCGrimAge was reversed by 0.3 years (week 28, P = .005) and 0.5 years (week 52, P = .04) after the use of tildrakizumab-asmn. The pace of aging was increased in psoriasis patients: DunedinPACE (P = .049).
LIMITATIONS: Pilot study (small sample size).
CONCLUSIONS: Psoriasis patients presented accelerated epigenetic aging in mortality-predictive clocks. Treatment with tildrakizumab-asmn (interleukin-23 inhibition) showed partial reversal of those clocks in 28 weeks. (Funded by Sun Pharmaceutical Industries, Inc; ClinicalTrials.gov number, NCT05110313).
OBJECTIVES: To evaluate the effects of tildrakizumab treatment in the epigenetic aging deviation of moderate-to severe psoriasis.
METHODS: In an open-label 52-week clinical trial, 20 adults with psoriasis were treated with tildrakizumab-asmn 100 mg injections until week 28. Ten age-matched controls without psoriasis were enrolled. Genome-wide DNA methylation was profiled in peripheral blood leukocyte DNA (MethylationEPICv2.0, Illumina) to calculate epigenetic aging clocks predictive of all-cause-mortality, phenotypic age, chronological age, pace of aging, and telomere length. Epigenetic age deviation was calculated as the residuals against chronological age.
RESULTS: Psoriasis patients had increased epigenetic age deviation in clocks predictive of mortality: PCGrimAge (P = .008), cytosine-phosphate-guanine (CpG) PTPCGrimAge3 (P = .019), CpGPTGrimAge3 (P = .019), GrimAge2 (P = .049). PCGrimAge was reversed by 0.3 years (week 28, P = .005) and 0.5 years (week 52, P = .04) after the use of tildrakizumab-asmn. The pace of aging was increased in psoriasis patients: DunedinPACE (P = .049).
LIMITATIONS: Pilot study (small sample size).
CONCLUSIONS: Psoriasis patients presented accelerated epigenetic aging in mortality-predictive clocks. Treatment with tildrakizumab-asmn (interleukin-23 inhibition) showed partial reversal of those clocks in 28 weeks. (Funded by Sun Pharmaceutical Industries, Inc; ClinicalTrials.gov number, NCT05110313).