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

L

Leti Pharma

Status and phase

Completed
Phase 3

Conditions

Rhinoconjunctivitis
Allergy

Treatments

Biological: Immunotherapy with modified extract of O. europaea pollen

Study type

Interventional

Funder types

Industry

Identifiers

NCT00537342
2006-001130-41
6018-PG-OSL-142 (Other Identifier)

Details and patient eligibility

About

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

Full 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.

Enrollment

83 patients

Sex

All

Ages

18 to 55 years old

Volunteers

No Healthy Volunteers

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

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

83 participants in 2 patient groups, including a placebo group

A
Experimental group
Description:
Biological Vaccine
Treatment:
Biological: Immunotherapy with modified extract of O. europaea pollen
B
Placebo Comparator group
Treatment:
Biological: Immunotherapy with modified extract of O. europaea pollen

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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