Skip to content

Prospective study to investigate the symptom profile and medication intake of patients with seasonal allergic rhinitis/rhinoconjunctivitis who are interested in allergen-specific immunotherapy.

Prospective study to investigate the symptom profile and medication intake of patients with seasonal allergic rhinitis/rhinoconjunctivitis who are interested in allergen-specific immunotherapy. - ITK-GRASS-2025-01

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00037045
Enrollment
600
Registered
2025-06-12
Start date
2025-05-14
Completion date
Unknown
Last updated
2026-02-02

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

Conditions

Moderate to severe allergic rhinitis or rhinoconjunctivitis with or without controlled asthma due to natural sensitisation to grass pollen

Interventions

Group 1: Data on the symptom level and intake of anti-allergic medication will be collected from around 600 patients during the 2025 grass pollen season.

Sponsors

Uniklinik Köln, Institut für Medizinische Statistik und Bioinformatik
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Inclusion criteria

Inclusion criteria: -Dated and signed consent to the use of data, -Grass pollen allergy in at least 2 previous grass pollen seasons, -Intake of anti-allergic medication during 2 previous grass pollen seasons, -Positive skin prick test against grass pollen allergens (wheal =3 mm), positive control wheal = 3 mm, negative control (NaCl) wheal <2 mm.

Exclusion criteria

Exclusion criteria: -Participants who do not have access to a smartphone or tablet, -Positive skin prick test against house dust mite allergens (wheal =3 mm).

Design outcomes

Primary

MeasureTime frame
The primary endpoint is the CSMS as a mean over the month of June 2025.

Secondary

MeasureTime frame
Secondary objectives are the daily symptom score (dSS) and the daily medication score (dMS), the symptoms of eyes, nose and general allergy symptoms recorded on VAS, and an asthma score.

Countries

Germany

Contacts

Public ContactRalph Mösges

Uniklinik Köln, Institut für Medizinische Statistik und Bioinformatik

ralph.moesges@uni-koeln.de+49(0)172 2056230

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 7, 2026