MedPath

Exposure Chamber Trial With Cat Immunotherapy

Phase 2
Completed
Conditions
Cat Allergy
Registration Number
NCT00987909
Lead Sponsor
ALK-Abelló A/S
Brief Summary

The main purpose of this trial is to investigate if any of three different doses of cat hair immunotherapy is safe for treatment of cat allergic patients.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
60
Inclusion Criteria
  • A history of rhinoconjunctivitis on exposure to cats
  • Positive Skin Prick Test response (wheal diameter at least 3 mm larger than the negative control
  • Positive specific IgE against Fel d1 (at least IgE Class 2)
  • Minimum qualifying rhinoconjunctivitis symptom score during EEC exposure at Visit 2
Exclusion Criteria
  • Uncontrolled asthma within the past 12 months, or asthma requiring regular use of inhaled corticosteroids
  • FEV1 less than 80% of predicted
  • Subjects who suffer from significant seasonal allergic rhinoconjunctivitis, and cannot complete the clinical trial outside the local pollen season, or who have significant allergy to other allergens (e.g. other animals or house dust mites) that cannot be avoided during the trial period
  • Subjects who cannot tolerate baseline challenge in the Environmental Exposure Chamber
  • History of anaphylaxis with cardio/respiratory symptoms
  • A medical history of severe drug or food allergy with symptoms such as difficulty breathing, swelling of the face or a feeling of severe dizziness or increased heart rate
  • Chronic urticaria
  • History of severe cardiac disease
  • Treatment with immunosuppressives, anti-IgE monoclonal antibodies, tricyclic antidepressants or MAOIs

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Adverse EventsDuring 16 weeks of treatment
Secondary Outcome Measures
NameTimeMethod
Rhinoconjunctivitis symptom scoreAfter 0, 8, and 16 weeks of treatment
Overall rhinoconjunctivitis symptom scoreAfter 0, 8, and 16 weeks of treatment
Acoustic RhinometryAfter 0, 8, and 16 weeks of treatment
Environmental Exposure Chamber Quality of LifeAfter 0, 8, and 16 weeks of treatment
Serum immunologyAfter 0, 8, and 16 weeks of treatment
Nasal secretion immunologyAfter 0 and 16 weeks of treatment
Safety lab testing (clinical chemistry, haematology, urinalysis)After 0 and 16 weeks of treatment

Trial Locations

Locations (1)

Cetero Research

🇨🇦

Mississauga, Ontario, Canada

Cetero Research
🇨🇦Mississauga, Ontario, Canada

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