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Phase 1 Trial Demonstrates Volar Fibroblast Injections Increase Skin Thickness by 15-20% in Non-Voler Sites

Phase 1 Trial Demonstrates Volar Fibroblast Injections Increase Skin Thickness by 15-20% in Non-Voler Sites

A phase 1 study found volar fibroblasts plus collagen-PMMA produced measurable volar-like skin changes lasting five months in healthy volunteers. The approach targets prosthetic skin injuries but revealed an unexpected immune response to the filler. Larger, longer trials in patients are required to confirm clinical benefit and safety.

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Next steps require phase 2 trials in amputee cohorts with objective friction and pressure endpoints, longer follow-up to assess whether migrated cells sustain or dilute the transplanted phenotype, and comparison against collagen-only carriers once regulatory options expand. Funding sources and conflict disclosures for the filler component should be examined in subsequent reports.

Sources (2)

  • [1]
    Primary Source(https://www.jidonline.org/article/S0022-202X(26)02345-6/fulltext)
  • [2]
    Supporting Source(https://www.nejm.org/doi/full/10.1056/NEJMra2201456)