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A Phase III trial evaluating the tolerability of Grazax treatment in combination with antihistamine in subjects with seasonal grass pollen induced rhinoconjunctivitis

A Phase III trial evaluating the tolerability of Grazax treatment in combination with antihistamine in subjects with seasonal grass pollen induced rhinoconjunctivitis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2008-003593-18-DE
Enrollment
Unknown
Registered
2008-07-01
Start date
2008-09-04
Completion date
Unknown
Last updated
2012-03-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Grass pollen induced rhinoconjunctivitis MedDRA version: 9.1 Level: LLT Classification code 10039097 Term: Rhinoconjunctivitis

Interventions

Trade Name: GRAZAX® Pharmaceutical Form: Oral lyophilisate INN or Proposed INN: Allergens of Phleum Pratense CAS Number: 8000045252 Other descriptive name: ALLERGENS, POLLEN & PLANT EXTRACT Concentrat

Sponsors

ALK-Abelló A/S
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. A clinical history of grass pollen induced allergic rhinoconjunctivitis of two years or more requiring treatment during the grass pollen season. 2. Reporting of treatment related allergic adverse events (local reactions in mouth and throat) after intake of Grazax at screening (visit 1). 3. Positive Skin Prick Test (SPT) response (wheal diameter = 3 mm larger than the negative control with a flare) to Phleum pratense. Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: 1. Uncontrolled asthma in the past 12 months 2. FEV1 < 70% of predicted value (calculated according to (21)) 3. A clinical history of symptomatic seasonal allergic rhinitis and/or asthma due to another allergen which may cause symptoms during the conduct of this trial 4. A clinical history of significant symptomatic perennial rhinitis or allergic rhinitis/asthma caused by an allergen to which the subject is regularly exposed 5. At randomisation, current symptoms of, or treatment for, upper respiratory tract infection, acute sinusitis, acute otitis media or other relevant infectious process (serous otitis media is not an exclusion criterion) 6. History of emergency visit or admission for asthma in the previous 12 months 7. History of anaphylaxis, including anaphylactic food allergy, insect venom anaphylaxis, exercise anaphylaxis or drug induced anaphylaxis 8. History of allergy, hypersensitivity or intolerance to IMPs (except for Phleum pratense) or Desloratadine

Design outcomes

Primary

MeasureTime frame
Main Objective: The primary objective of the trial is to evaluate whether intake of antihistamine in connection with Grazax treatment results in a reduction in number of subjects reporting treatment related AEs the first day of Grazax exposure. ;Secondary Objective: None.;Primary end point(s): The primary endpoint is reduction in number of subjects reporting AEs during treatment with Grazax in combination with Aerius compared to treatment with Grazax in combination with placebo.

Countries

Germany

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026