Tocilizumab

Anti–IL-6 receptor

Response rate
Initial response, loss of efficacy
Onset
Weeks
Route
SC or IV
Line
Alternative
IgM effect
Unknown

Evidence summary

IL-6 is elevated in Schnitzler syndrome, but a 9-patient open-label study (2024) showed initial clinical/biological response with subsequent loss of efficacy over time. May be considered for rare IL-1-refractory cases.

Molecular targets (1)

MoleculeRoleExpressionEvidence
IL-6B-cell growth factorElevatedstrong

Sources (1)

Detailsde Koning HD (2014) Comprehensive review (281 cases) · Clin Transl AllergyDOI