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Mechanisms & biomarkersOctober 13, 2026International

CXCL10 changes are linked to ruxolitinib response

Vitiligo Biomarker CXCL10 Correlates With Clinical Response to Ruxolitinib Cream in the Phase 2 Randomized TRuE-V Mechanism-of-Action Study

Context photograph: a National Cancer Institute scientist pipetting samples. Not photographed during this vitiligo study.
Context imageContext photograph: a National Cancer Institute scientist pipetting samples. Not photographed during this vitiligo study.Diane A. Reid (Photographer) / National Cancer Institute · Public domain
THE RESEARCH, EXPLAINED

What the study says

A phase 2 trial studied whether immune signals change alongside repigmentation during ruxolitinib treatment. Sixty adults were assigned to ruxolitinib cream or vehicle for 24 weeks, followed by active treatment. Researchers observed reductions in CXCL10, an inflammation-related protein, in blood and affected skin. These changes correlated with improvements in vitiligo scores. The findings connect a biological pathway with clinical response and could inform future biomarker research. They do not establish a routine blood test or predict an individual person's treatment outcome.

How to interpret this finding

Small mechanistic study. Correlation does not validate an individual response predictor.

Research findings describe groups of participants. Discuss their relevance to your own care with your clinician.

GO TO THE EVIDENCE

References & original sources

These links identify the actual paper, its indexed record and available full text.

  1. 01PubMed indexed recordhttps://pubmed.ncbi.nlm.nih.gov/42869214/
  2. 02Original publicationhttps://doi.org/10.1016/j.jid.2026.09.857

Image source & reuse

Diane A. Reid (Photographer) / National Cancer Institute

Context photograph: a National Cancer Institute scientist pipetting samples. Not photographed during this vitiligo study.

View original image sourcePublic domain