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Completed

NCT Number: NCT02849210

A Clinical Trial With Subcutaneous Immunotherapy in Depot Presentation in Patients With Rhinoconjuncitivis Sensitized to Olea Europaea

The study was designed according to the draft of allergenic product regulation published by Spanish Regulatory Agency. The aim of the study is to evaluate the safety and tolerability of subcutaneous immunotherapy with Olea europaea pollen extract in patients with rhinoconjunctivitis with or without associated mild asthma. In addition, surrogate efficacy parameters will be evaluated: immunoglobulin level changes and skin reactivity

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Key information

Conditions

Age range

18 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Complejo Hospitalario de Jaén, Jaén, Andalusia, Spain

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About this study

An study conducted througout Spain with 4000 allergic patients (Alergoloógica 2005) showed that 47% of patients with rhinoconjuncitivits and 51% of asthmatic patients were sentitized to olive pollen. This gives us an idea of the importance of this allergen sensitization in Spain.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients must sign the informed consent form.
  • Patients must be between 18 and 60 years of age.
  • Patients with seasonal allergic rhinoconjunctivitis against Olea europea during a minimum of 2 years prior to study participation. Although allergic rhinoconjunctivitis is the pathology under study, the inclusion of patients with mild concomitant asthma is allowed.
  • Patients who obtained a prick test result ≥ 3 mm diameter to Olea europaea Positive and negative control of the test should give consistent results.
  • Patients with specific immunoglobulin E ≥ class 2 (CAP/PHADIA) to Olea europaea.
  • Patients sensitized to Olea europaea with clinically relevant symptoms in which treatment with Olea europea 100% vaccine is indicated.
  • Patients who met all windows of treatment described in the protocol for both, treatment and study procedures.
  • Women of childbearing potential must have a negative urine pregnancy test at Screening visit/Visit 0.
  • Women of childbearing potential must agree to use an appropriate contraception method during the study if they are sexually active.

Exclusion criteria

  • Patients who received immunotherapy in the previous 5 years for Olea europaea or for any allergen with cross reactivity or patients that are currently receiving immunotherapy for any allergen.
  • Patients with severe asthma or forzed expiratoy volumen in 1 second FEV1< 70% even if the are pharmacologically controlled .
  • Patients with: immunological, cardiac, renal or hepatic illnesses or any other medical condition that the investigator deems relevant so as to interfere with the study.
  • Polisensitized patients to other inhalant allergens besides Olea europaea, if in the judgment of the investigator may present symptoms clinically relevant to those other airborne allergens while participating in this study
  • Patients with a previous history of anaphylaxis
  • Patients with chronic urticaria,
  • Patients with moderate to severe atopic dermatitis
  • Patients who have participated in another clinical trial within 3 month prior to enrolment.
  • Patients under treatment with tricyclic antidepressives, phenothiazines , β-blockers, or Angiotensin Converting Enzyme Inhibitors (ACEI)
  • Female patients who are pregnant or breast-feeding
  • Patient who does not attend the visits
  • Patient's lack of collaboration or refusal to participate.

Treatment and study plan

Allergovac depot with Olea europaea pollen extract

Biological

Subcutaneous immunotherapy in depot presentation in a rapid dose escalation scheme: 6 weekly increasing dose injections at the initiation phase plus 3 maintenance monthly injections.

Primary outcomes

  1. Number and severity of adverse reactions as a measure of Safety and tolerability

    Time frame: 17 weeks treatment period

Secondary outcomes

  1. Immunoglobulin changes from baseline

    Time frame: At baseline and 1 week after last administered dose

  2. Cutaneous reactivity changes from baseline

    Time frame: At baseline and 1 week after last administered dose

    Skin prick test will be conducted at baseline and 1 week after last administered dose to measure the wheal área changes in mm2

Sponsors and collaborators

Lead sponsor

Roxall Medicina España S.A

Industry

Registry information

Official study title

A Phase I Multicenter, Open Clinical Trial With Subcutaneous Immunotherapy in Depot Presentation in Patients With Rhinoconjuncitivis Sensitized to Olea Europaea

Important dates

Study start
2015
Primary completion
2017
Study completion
2017
First posted
Jul 29, 2016
Registry last updated
Oct 23, 2017

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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