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Subcutaneous Immunotherapy Treatment for Patients With Hypersensitivity to Parietaria Judaica

Clinical, Multi-centre, Randomised, Double-blind Placebo-controlled Subcutaneous Immunotherapy Trial With Depigmented, Polymerized Extract of Parietaria Judaica Pollen on Patients With Hypersensitivity to This Pollen

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00916760
Enrollment
153
Registered
2009-06-10
Start date
2008-02-29
Completion date
2013-02-28
Last updated
2013-11-11

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

Conditions

Allergic Rhinoconjunctivitis

Keywords

allergic, rhinoconjunctivitis, Immunotherapy

Brief summary

The objective of this trial is to assess the clinical efficacy of the modified extract (depigmented and polymerized with glutaraldehyde) of the subcutaneous injection of Parietaria Judaica pollen in the treatment of patients affected by allergic rhinitis/rhinoconjunctivitis ( with or without episodic asthma) induced by hypersensitivity to grass pollen, evaluating the score regarding symptoms and consumption of the medication.

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.

Interventions

BIOLOGICALDepigoid Parietaria judaica 1000DPP/ml

Subcutaneous monthly treatment

BIOLOGICALPlacebo

Subcutaneous monthly treatment

Sponsors

Laboratorios Leti, S.L.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
No

Inclusion criteria

* Informed consent, signed by the subject * Positive clinical history of rhinitis/rhinoconjunctivitis allergy to Parietaria pollen * Patient of both gender aged from 18 up to 55 * Diagnosed Sensitivity to Parietaria pollen base on: Positive Nasal provocation test Positive prick test to P. Judaica Specific IgE to P.Judaica \>0,7KU/L \- Patients who are able to comply with the dose regime

Exclusion criteria

* Relevant sensitivity to another perenne allergen * Patient with asthma * Use of immunotherapy during the last four years * Treatment with B. Blocking agents * Patient suffering from some pathology in which adrenaline was contraindicated * Subject suffers from a serious medical condition, which would interference the treatment and follow up of the subject in the study * Subject suffers from autoimmune disease(thyroiditis, lupus, etc.) * Conditions in which the patient can not offer full co-operation nad significant psychiatric disturbance. * Intolerance to aspirin * Pregnant women or with pregnancy risk and brest-feeding

Design outcomes

Primary

MeasureTime frame
Symptoms score2 years

Secondary

MeasureTime frame
Nasal Provocation test, Dose- response skin prick test, Quality of life questionnaire, visual scales, asthma symptom scores, Medication scores, adverse event and severity adverse event,unplanned healthcare resource utilization2 years

Countries

Spain

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026