Drug intelligence / Profile preview

callistemon citrinus pollen

Development stage
Unknown
Lead developer
Jubilant HollisterStier
Administration
Subcutaneous, Intradermal, Percutaneous
01

Overview

Callistemon citrinus pollen, derived from the Lemon Bottlebrush plant, is utilized in clinical allergology as an allergen extract for the diagnosis and treatment of Type I hypersensitivity reactions. As a diagnostic agent, it is employed in skin prick testing or intradermal testing to identify patients sensitized to Bottlebrush pollen, which is a known aeroallergen in temperate and subtropical regions. In a therapeutic context, it is used in allergen-specific immunotherapy (AIT) to induce clinical and immunological tolerance. The mechanism of action involves the modulation of the immune system, specifically shifting the T-cell response from a Th2-weighted allergic profile to a Th1/Treg-weighted profile, leading to the production of blocking IgG4 antibodies and a reduction in allergen-specific IgE-mediated mast cell degranulation.

Other names
Bottlebrush pollenLemon bottlebrush pollenMelaleuca citrina pollen
02

Targets

IgE (Immunoglobulin E)

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