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A double-blind, randomised, placebo controlled, phase I/IIa dose escalation study to investigate the safety and tolerability of Oralgen Birch Pollen immunotherapy in patients with allergic rhinoconjunctivitis

A double-blind, randomised, placebo controlled, phase I/IIa dose escalation study to investigate the safety and tolerability of Oralgen Birch Pollen immunotherapy in patients with allergic rhinoconjunctivitis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2008-003861-17-SE
Enrollment
Unknown
Registered
2008-06-24
Start date
2008-08-18
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

Allergic rhinoconjunctivitis MedDRA version: 9.1 Level: LLT Classification code 10001728 Term: Allergic rhinoconjunctivitis

Interventions

Product Name: Oralgen Birch Pollen Pharmaceutical Form: Oral solution Current Sponsor code: Oralgen Birch pollen extract Concentration unit: BAU/ml Bioequivalent Allergy Unit(s)/millilitre Concentrati

Sponsors

Artu Biologicals Europe B.V.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Male and female between 18 and 60 years of age (inclusive). - History of birch pollen induced allergy with moderate to severe rhinoconjunctivitis symptoms for at least two seasons. - RRTSS of greater than or equal to 10 out of a maximal score of 18 - Birch pollen specific RAST of at least class 2. - Positive skin prick test (i.e. wheal diameter equal to or more than (=) 3 mm larger than the diluent control) for birch pollen. 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: - Other clinically relevant allergies (perennial or seasonal) that could potentially interfere with the patient's study treatment schedule or assessments. Patients with allergic rhinoconjunctivitis due to allergens to which the patient is not exposed to during the study are allowed into the study. - Use of oral steroids within 12 weeks before the screening visit. - Treatment with beta-blockers or continuous inhalsed or systemic corticosteroid therapy. - Previous immunotherapy treatment with tree pollen extracts within the last five years or immunotherapy with any other allergen extract within the last two years.

Design outcomes

Primary

MeasureTime frame
Main Objective: To investigate the safety and tolerability of Oralgen Birch Pollen in patients with allergic rhinoconjunctivitis.;Secondary Objective: ;Primary end point(s): safety and tolerability assessed as adverse events, hematology and biochemistry laboratory parameters, urinalysis, 12-Lead ECG, vital signs (blood pressure, pulse and respiration rate) and physical examination.

Countries

Sweden

Outcome results

None listed

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