A nonadjuvanted transcutaneous tetanus patch is effective in boosting anti-tetanus toxoid immune responses

Clinical and Vaccine Immunology : CVI
Robert C SeidUrban Lundberg

Abstract

Dry tetanus toxoid (TTx) patches were formulated without any adjuvant, with excipients to impart antigen stabilization and to enhance skin delivery. The booster effects of the TTx patches were assessed using a guinea pig model. The study revealed significant rises in TTx IgG titers induced by the TTx patches after a low-dose subcutaneous (s.c.) prime with TTx adsorbed to aluminum hydroxide. The TTx patch can therefore be considered an effective alternative to a subcutaneous booster.

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