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A Multi-national Phase IIIb, Double-blind, Placebo-controlled Trial to Determine the Safety and Efficacy of STALORAL® Birch 300 IR in Children and Adolescents 5 to 17 Years old with Birch Pollen-induced Allergic Rhinoconjunctivitis with or without Asthma

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-509833-38-00
Acronym
YOBI/SL79.22
Enrollment
699
Registered
2024-05-17
Start date
2023-09-20
Completion date
2025-08-06
Last updated
2025-06-17

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

Conditions

Birch Pollen-induced Allergic Rhinoconjunctivitis

Brief summary

The primary efficacy endpoint will be the average ARC TCS (TCS0-38) over the entire BPS2.

Detailed description

The average CSMS (CSMS0-6) over the entire BPS2., The average ARC DSS (DSS0-18) over the entire BPS2., The average ARC DMS (DMS0-20) over the entire BPS2, The rhinoconjunctivitis-associated functional problems as measured with the RQLQ(S) average overall score for adolescents aged between 12 to 17 years over the entire BPS2., The rhinoconjunctivitis-associated functional problems as measured with the PRQLQ average overall score for children between 6 to 11 years over the entire BPS2. Please refer to Section 10 of the Protocol for a full description of the assessments of efficacy.

Interventions

DRUGPlacebo - Staloral birch
DRUGoromucosal solution
DRUGSTALORAL Birke 10 IR/ml und 300 IR/ml
DRUGLösung zur Anwendung in der Mundhöhle
DRUGSTALORAL Birke 300 IR/ml

Sponsors

Stallergenes
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to 17 Years

Design outcomes

Primary

MeasureTime frame
The primary efficacy endpoint will be the average ARC TCS (TCS0-38) over the entire BPS2.

Secondary

MeasureTime frame
The average CSMS (CSMS0-6) over the entire BPS2., The average ARC DSS (DSS0-18) over the entire BPS2., The average ARC DMS (DMS0-20) over the entire BPS2, The rhinoconjunctivitis-associated functional problems as measured with the RQLQ(S) average overall score for adolescents aged between 12 to 17 years over the entire BPS2., The rhinoconjunctivitis-associated functional problems as measured with the PRQLQ average overall score for children between 6 to 11 years over the entire BPS2. Please refer to Section 10 of the Protocol for a full description of the assessments of efficacy.

Countries

Austria, Bulgaria, Finland, France, Germany, Hungary, Latvia, Lithuania, Poland, Romania, Slovakia, Sweden

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026