Actively Recruiting

Phase 3
Age: 12Years - 65Years
All Genders
NCT04891237

Efficacy and Safety Evaluation for the Treatment of Allergy Against Grass and Olive Pollen

Led by Inmunotek S.L. · Updated on 2025-05-07

180

Participants Needed

32

Research Sites

289 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Prospective, multicenter, randomized, double-blind, placebo-controlled clinical trial of efficacy and safety with subcutaneous immunotherapy in patients with mild to moderate rhinitis / rhinoconjunctivitis with or without mild to moderate asthma sensitized to grasses and olive

CONDITIONS

Official Title

Efficacy and Safety Evaluation for the Treatment of Allergy Against Grass and Olive Pollen

Who Can Participate

Age: 12Years - 65Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Signed informed consent.
  • Aged between 12 and 65 years.
  • Confirmed clinical history of mild to moderate rhinitis, rhinoconjunctivitis, with or without mild to moderate controlled asthma caused by grass and olive allergy.
  • Positive skin prick test (papule diameter 65 mm) to grass pollen mixture or olive extract.
  • Specific IgE level above 3.5 KU/L for grasses or olive pollen.
  • Negative pregnancy test for women of childbearing age at enrollment.
  • Commitment to use appropriate contraception for women of childbearing potential and men.
  • Ability to comply with treatment dosage.
  • Possession of a smartphone to record symptoms and medication.
  • Negative skin prick test to co-seasonal and other aeroallergens with no relevant symptoms and specific IgE below 3.5 kU/L.
Not Eligible

You will not qualify if you...

  • Polysensitized to other aeroallergens except occasional exposure to epithelia or non-seasonal pollens.
  • Received immunotherapy for aeroallergens in the last 5 years.
  • Absolute contraindications for immunotherapy.
  • Severe or uncontrolled persistent asthma with FEV1 below 70% despite treatment.
  • Severe rhinitis/rhinoconjunctivitis requiring continuous oral or systemic antihistamines.
  • Serious reactions to prior skin prick tests.
  • Treatment with beta-blockers.
  • Clinically unstable at enrollment (e.g., asthma exacerbation, infection, fever).
  • Active chronic urticaria, severe dermographism, severe atopic dermatitis, sunburns, active psoriasis on test areas, or hereditary angioedema.
  • Conditions contraindicating adrenaline administration.
  • Other severe diseases that may interfere with treatment or follow-up.
  • Autoimmune diseases, tumors, immunodeficiencies.
  • Severe psychiatric disorders preventing cooperation.
  • Allergy to investigational drug components other than allergens.
  • Lower respiratory diseases other than asthma.
  • Direct relatives of researchers.
  • Pregnant or lactating women.

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 32 locations

1

Cedt de Tarancón

Tarancón, Cuenca, Spain, 16400

Actively Recruiting

2

Hospital Universitario Principe de Asturias

Alcalá de Henares, Madrid, Spain, 28805

Completed

3

Centro Médico Iza

Tres Cantos, Madrid, Spain, 28760

Actively Recruiting

4

Hospital Infanta Elena

Valdemoro, Madrid, Spain, 28342

Actively Recruiting

5

Hospital Clínico Universitario Virgen de Arrixaca

El Palmar, Murcia, Spain, 30120

Actively Recruiting

6

Private Practice

Albacete, Spain, 02003

Withdrawn

7

Hospital Ntra. Sra. de Sonsoles

Ávila, Spain, 05004

Actively Recruiting

8

Clinica Dermatologica Y Alergia

Badajoz, Spain, 06001

Actively Recruiting

9

Hospital Quironsalud Clideba

Badajoz, Spain, 06011

Actively Recruiting

10

Hospital Universitario Dexeus

Barcelona, Spain, 08028

Actively Recruiting

11

Clínica privada Barcelona

Barcelona, Spain, 08172

Withdrawn

12

Hospital General Universitario Ciudad Real

Ciudad Real, Spain, 13005

Actively Recruiting

13

Hospital Quironsalud Córdoba

Córdoba, Spain, 14004

Actively Recruiting

14

Hospital Universitario Clínico San Cecilio

Granada, Spain, 18016

Active, Not Recruiting

15

Hospital Universitario de Jaén

Jaén, Spain, 23007

Actively Recruiting

16

Hospital Universitari Santa María

Lleida, Spain, 25198

Actively Recruiting

17

Private practice

Madrid, Spain, 28001

Withdrawn

18

Hospital Universitario Cruz Roja

Madrid, Spain, 28003

Actively Recruiting

19

Clínica de Asma y Alergia en Madrid | CLÍNICA OJEDA

Madrid, Spain, 28006

Actively Recruiting

20

Clínica Subiza

Madrid, Spain, 28006

Actively Recruiting

21

Hospital Carlos Iii

Madrid, Spain, 28029

Completed

22

Hospital Universitario Rey Juan Carlos

Madrid, Spain, 28933

Withdrawn

23

Hospital Quirónsalud Málaga

Málaga, Spain, 29004

Actively Recruiting

24

Private Practice

Málaga, Spain

Actively Recruiting

25

Private Practice

Murcia, Spain

Actively Recruiting

26

Private Practice

Palencia, Spain, 34001

Completed

27

Hospital Universitario Infanta Cristina

Parla, Spain, 28981

Actively Recruiting

28

Clínica privada Sevilla

Seville, Spain, 41005

Withdrawn

29

Hospital Virgen Del Rocío

Seville, Spain, 41013

Actively Recruiting

30

Hospital Viamed Santa Ángela de La Cruz

Seville, Spain, 41014

Actively Recruiting

31

Private Practice

Toledo, Spain, 45005

Withdrawn

32

Hospital Recoletas Felipe Ii

Valladolid, Spain, 47003

Actively Recruiting

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Research Team

M

Miguel Casanovas

CONTACT

R

Raquel Caballero

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

QUADRUPLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

3

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