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Clinical Trial Summary

Grass MATA (modified pollen allergen tyrosine adsorbate) has been developed to provide pre-seasonal specific immunotherapy for patients with hypersensitivity to grass and rye pollen. Different doses of Grass MATA will be administered and immunological changes following this treatment will be assessed.


Clinical Trial Description

Grass MATA MPL has been developed to provide pre-seasonal specific immunotherapy for patients with proven type I hypersensitivity to cross reacting grass pollens.

The grass pollen extract is modified with glutaraldehyde to produce the active ingredient, an allergoid. This modification reduces the reactivity of the extract with IgE antibody, thus reducing the risk of side effects. However, a simultaneous reduction in other important immunological properties, such as IgG and T cell reactivities, is not seen.

MPL (Monophosphoryl Lipid A), a purified, detoxified glycolipid derived from the cell wall of Salmonella minnesota, is included in the product formulation as an adjuvant to increase the immunogenic effect of the product and to enhance the switch from an allergen-specific TH2 to a TH1-like T cell profile.

The purpose of this study is to assess specific immunological changes (IgG, IgG1, IgG4 and IgE) in allergic subjects following 2 subcutaneous injections of different doses of study medication (Grass MATA or placebo) administered 3 weeks apart. The immunological changes will be used to assess the performance of the R7 IgG reactivity assay over a range of clinically efficacious doses. ;


Study Design

Allocation: Randomized, Endpoint Classification: Pharmacodynamics Study, Intervention Model: Parallel Assignment, Masking: Single Blind, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00104377
Study type Interventional
Source Allergy Therapeutics
Contact
Status Completed
Phase Phase 2
Start date March 2005
Completion date November 2005

See also
  Status Clinical Trial Phase
Completed NCT00133146 - Assessment of the Contribution of Monophosphoryl Lipid A (MPL) to a Grass Pollen Allergy Vaccine Phase 2
Completed NCT00133159 - Different Doses of Tyrosine Adsorbed Grass Pollen Allergoid With Monophosphoryl Lipid A (MPL) in Patients Sensitized to Grass Pollen Phase 2
Terminated NCT00387478 - Investigation of Efficacy and Safety of Tree MATAMPL,Tree MATA, and Placebo in Patients With Birch-Induced Seasonal Allergic Rhinitis Phase 2
Completed NCT00414141 - Efficacy and Safety/Tolerability of Grass MATA MPL Phase 3
Completed NCT00258635 - Investigation of Safety+Efficacy of Different Doses of RagweedMATAMPL;Assessment of Residual Allergenicity Using Skin Prick Test Phase 2
Completed NCT00325338 - Follow-up Investigation of Efficacy of Ragweed MATAMPL,and Placebo in Patients With Ragweed-induced Seasonal Allergic Rhinitis Phase 2
Completed NCT00110786 - Investigation of Efficacy and Safety of Ragweed MATAMPL, Pollinex-R and Placebo in Patients With Ragweed Allergy Phase 2
Withdrawn NCT00109759 - Evaluation of Safety and Tolerability of Tyrosine Adsorbed Ragweed Pollen Allergoid With MPL (Monophosphoryl Lipid A) Phase 1
Completed NCT00423787 - Efficacy and Safety/Tolerability of Ragweed MATA MPL Phase 3
Completed NCT00104390 - Assessment of Residual Allergenicity of Grass/Rye Pollen Allergoid Using Skin Prick Testing Phase 1
Completed NCT00116285 - Assessment of Residual Allergenicity of Ragweed Pollen Allergoid With Monophosphoryl Lipid A (MPL) Using Skin Prick Testing Phase 1
Completed NCT00118612 - Different Doses of Tyrosine Adsorbed Tree Pollen Allergoid With Monophosphoryl Lipid A (MPL) in Patients Sensitized to Tree Pollen Phase 2
Completed NCT00113750 - Induction of Immunogenicity With Different Doses of TreeMATA in Subjects Allergic to Tree Pollen Phase 2
Completed NCT00118625 - Assessment of the Contribution of Monophosphoryl Lipid A (MPL) to a Tree Pollen Allergy Vaccine Phase 2
Completed NCT00241410 - Safety, Immunological Effect and Efficacy of the Combined Application of MPL and Grass Pollen Allergen Phase 1
Completed NCT00107705 - Assessment of Residual Allergenicity of Tree (Birch, Hazel, and Alder) Pollen Allergoid Using Skin Prick Testing Phase 1