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Effect of Different Pre-seasonal BM32 Dosings on the Induction of a Protective Immune Response

Hypersensitivity Clinical Trial

Official title:
Study to Evaluate the Effect of Different Pre-seasonal BM32 Dosing Schedules on the Rapid Induction of a Protective IgG Immune Response

Clinical Trial Summary

BM32 is a product for immunotherapy of grass pollen allergies. It consists of 4 different recombinant proteins (BM321, BM322, BM325 and BM326) adsorbed on alhydrogel. This prospective, double-blind. placebo controlled, mono-centric trial investigates the levels of allergen specific IgG antibodies following 3, 4 or 5 subcutaneous injections before the grass pollen season.

Clinical Trial Description

The aim of this study is to further optimize the immunization schedule by

- moving the last injection into beginning of the grass pollen season for all study arms in order to ensure highest possible IgG4 levels when they are needed - i.e. at the peak of the grass pollen season,

- administration of more than 3 pre-seasonal injections in order to build up sufficiently high levels of IgG4 already in the first year of treatment , and

- dosing during the beginning of the grass pollen season to establish safety in this setting The effect of such optimized immunization schedule on the induction of an IgG4 immune response as a surrogate parameter for efficacy will be studied. The Total Nasal Symptom Score (TNSS) before and after the treatment and Combined Symptom-Medication Score (SMS) during the grass pollen season will be evaluated as secondary endpoints. This will allow intra-individual comparison of seasonal symptom data and responsiveness in the chamber setting. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02643641
Study type Interventional
Source Biomay AG
Contact
Status Completed
Phase Phase 2
Start date January 2016
Completion date January 2017
View Details
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