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Multicenter, double-blind, randomized, placebo-controlled phase III clinical trial in parallel groups which evaluates the clinical efficacy and safety of immunotherapy with the purified major allergen Cup a 1, in patients with moderate/severe allergic rhino conjunctivitis with or without controlled asthma, sensitized to Cupressaceae

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-519527-14-00
Acronym
DIA-EC-Cupa1-01-22
Enrollment
150
Registered
2024-12-19
Start date
2022-06-09
Completion date
2025-05-07
Last updated
2024-12-19

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

Conditions

Allergic rhinoconjunctivitis

Brief summary

The efficacy of the treatment will be evaluated based on the symptom frequency and severity score together with the Combined Symptom and Medication Score (CSMS), which will be obtained through a questionnaire completed by the patient during 2 successive pollen seasons

Detailed description

Symptom frequency and severity score. Results are compared between treatment arms and between pollen seasons, Score for Rescue medication use, Symptom-free days, Medication-free days, Extra visits and/or emergencies during the period of the clinical trial related to the pathology under study, Skin follow-up skin test with Cupressaceae extract and Cup a 1, Asthma and allergic rhinitis control assessed by ACT and modified ARIA, Visual Analog Scale (VAS) for the state of health performed by the patient, ESPRINT-15 questionnaire evaluation, Evaluation of immunological markers: IL-10, IL-13, INF-ƴ, specific IgE and specific IgG4 against Cupressus arizonica and Cup a 1, Conjunctival provocation against cupresaceae, Frequency of adverse events (AEs), serious AAs (SAEs) and ADRs, particularly systemic events according to the World Allergy Organization (WAO) 2010 classification

Interventions

DRUGThe appareance
DRUGpackaged
DRUGroute and method of administration for placebo will be the same as IMP. The composition of the placebo is 0.9% saline solution with mannitol + histamine.
DRUGCup a 1

Sponsors

Diater Laboratorio De Diagnostico Y Aplicaciones Terapeuticas S.A.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to No maximum

Design outcomes

Primary

MeasureTime frame
The efficacy of the treatment will be evaluated based on the symptom frequency and severity score together with the Combined Symptom and Medication Score (CSMS), which will be obtained through a questionnaire completed by the patient during 2 successive pollen seasons

Secondary

MeasureTime frame
Symptom frequency and severity score. Results are compared between treatment arms and between pollen seasons, Score for Rescue medication use, Symptom-free days, Medication-free days, Extra visits and/or emergencies during the period of the clinical trial related to the pathology under study, Skin follow-up skin test with Cupressaceae extract and Cup a 1, Asthma and allergic rhinitis control assessed by ACT and modified ARIA, Visual Analog Scale (VAS) for the state of health performed by the patient, ESPRINT-15 questionnaire evaluation, Evaluation of immunological markers: IL-10, IL-13, INF-ƴ, specific IgE and specific IgG4 against Cupressus arizonica and Cup a 1, Conjunctival provocation against cupresaceae, Frequency of adverse events (AEs), serious AAs (SAEs) and ADRs, particularly systemic events according to the World Allergy Organization (WAO) 2010 classification

Countries

Spain

Outcome results

None listed

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