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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00831025
Other study ID # 6018-PG-PSC-148
Secondary ID 2006-005727-41
Status Completed
Phase Phase 3
First received January 27, 2009
Last updated February 21, 2018
Start date January 2008
Est. completion date January 2013

Study information

Verified date February 2018
Source Laboratorios Leti, S.L.
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The objective of this trial is to assess the clinical efficacy of a modified allergen extract of Olea europaea pollen in the treatment of patients affected by allergic rhinitis/rhinoconjunctivitis (with or without episodic asthma) induced by hypersensitivity to olea europaea pollen, evaluating the Score regarding Symptoms and consumption of the medication.


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 information / eligibility

Status Completed
Enrollment 158
Est. completion date January 2013
Est. primary completion date January 2013
Accepts healthy volunteers No
Gender All
Age group 18 Years to 55 Years
Eligibility Inclusion Criteria:

- Prior to study specific examinations the patient and if applicable both legal guardians has to give his/her written informed consent

- Patients of both gender aged from 18 and 55 years

- Patient`s perception of disease activity of at least 30 mm on a 100 mm visual analogue scale (VAS)

- FEV1 greater or equal than 80% of the expected value, and if not, improvement of FEV1 greater than 12% after bronchodilation

- Patients have to suffer from allergic complaints (rhinitis and/or rhinoconjunctivitis with or without mild intermittent allergic asthma) caused by clinical sensitization against Olea europaea pollen. The IgE mediated sensitization has to be verified by:

- Suggestive medical history

- Specific IgE against Olea europaea pollen CAP RAST =0.7Ku/l

- Positive skin prick test (SPT) to grass Olea pollen resulting in a wheal diameter of at least 3 mm.

Exclusion Criteria

- History of significant clinical manifestations of allergy as a result of sensitization against weed pollen allergens and perennial (e.g. house dust mite.

- Participation in an immunotherapy with comparable extracts within the last five years.

- Treatment with ß-blocker

- Any disease which prohibits the use of adrenaline (e.g. hyperthyroidism)

- Cardiovascular insufficiency or any severe or unstable pulmonary, or endocrine disease; clinically significant renal or hepatic disease or dysfunction; hematologic disorder; any other clinically significant medical condition that could increase the risk to the study participant

- Immunopathological diseases

- Patients who are expected to be non-compliant and/or not co-operative

- Women, where pregnancy is defined as the state of a female after conception and until the termination of gestation

Study Design


Related Conditions & MeSH terms


Intervention

Biological:
Immunotherapy with modified extract of Olea europaea pollen
Subcutaneous immunotherapy with modified extract of Olea europaea. A subcutaneous monthly treatment.
Placebo
Placebo for subcutaneous monthly administration

Locations

Country Name City State
Spain Hospital Universitario Reina Sofía Córdoba
Spain Hospital El Tomillar Dos Hermanas Sevilla
Spain Hospital Universitario San Cecilio Granada
Spain Complejo Hospitalario de Jaén Jaén
Spain Clínica Santa Isabel Sevilla
Spain Hospital Universitario Virgen Del Rocio Sevilla
Spain Hospital Virgen Macarena Sevilla

Sponsors (1)

Lead Sponsor Collaborator
Laboratorios Leti, S.L.

Country where clinical trial is conducted

Spain, 

Outcome

Type Measure Description Time frame Safety issue
Primary Symptoms and medication score 2 years
Secondary Dose-response skin prick-test 2 years
Secondary Medication score 2 years
Secondary Rhinoconjunctivitis quality of life questionnaire 2 years
Secondary Visual Analog Scales (VAS) 2 years
Secondary Serology 2 years
Secondary Symptoms score 2 years
Secondary Exhaled nitric oxide 2 years
Secondary Adverse event 2 years