Factors Predicting Efficacy of Allergen Injection Immunotherapy for Grass Pollen Hayfever
Conditions
- Rhinitis, Allergic, Seasonal
Interventions
- BIOLOGICAL: Active injections of alum-adsorbed grass pollen vaccine (Alutard SQ).
- OTHER: Placebo Injection
- PROCEDURE: Venepuncture: 100ml blood sample taken on 12 separate visits
Sponsor
Imperial College London
Collaborators