MedPath

Immunotherapy With Depigmented and Polymerized Allergen Extract of Olea Europaea (GPIT)

Phase 3
Completed
Conditions
Allergy
Rhinoconjunctivitis
Interventions
Biological: Immunotherapy with modified extract of O. europaea pollen
Registration Number
NCT00537342
Lead Sponsor
Laboratorios Leti, S.L.
Brief Summary

The objective of this trial is to evaluate the clinical effectiveness of the administration of a depigmented and polymerized allergen extract of Olea europaea in the rhinitis or allergic rhinoconjunctivitis

Detailed Description

Immunotherapy is a specific treatment for allergic diseases. Unlike conventional pharmacological treatment, immunotherapy is the only treatment that could modify the natural course of allergic disease. This is a prospective double-blind placebo controlled study with two arms of treatment: placebo and active.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
83
Inclusion Criteria
  • Positive suggestive clinical history of allergic seasonal rhinitis or rhinoconjunctivitis
  • Patients of both gender > 18 years old
  • Positive prick test results using non modified Olea europaea allergen extract (wheal size > 3mm2)
  • Specific IgE to Olea europaea
  • Written informed consent
Exclusion Criteria
  • Use of immunotherapy during the last four years.
  • Any contraindication for the use of immunotherapy in accordance with European Allergy and Clinical Immunology Immunotherapy Subcommittee criteria:
  • Treatment with ß-blockers
  • Coexistence of immunopathological diseases (e.g. of the liver, kidney, the nervous system, thyroid gland, rheumatic diseases) in which autoimmune mechanisms play a role
  • Patients suffering from immune deficiencies
  • Patients with serious psychiatric / psychological disturbances
  • In addition, the following was considered as exclusion criteria:
  • Pregnant or/ in lactation patients
  • Patients aspirin intolerance

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
AImmunotherapy with modified extract of O. europaea pollenBiological Vaccine
BImmunotherapy with modified extract of O. europaea pollen-
Primary Outcome Measures
NameTimeMethod
Symptom score1 year
Secondary Outcome Measures
NameTimeMethod
Dose-response skin prick-test1 year
Medication score1 year
Rhinoconjunctivitis quality of life questionnaire1 year
Analogical visual scale1 year
Serology1 year
Record of adverse events1 year

Trial Locations

Locations (1)

Hospital Universitatio Ciudad de Jaén

🇪🇸

Jaén, Spain

© Copyright 2025. All Rights Reserved by MedPath