| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated | 
| Grass pollen allergy |  
| Alergia frente a polen de Gramíneas |  | 
| E.1.1.1 | Medical condition in easily understood language | 
| Grass pollen allergy |  
| Alergia frente a polen de Gramíneas |  | 
| E.1.1.2 | Therapeutic area | Diseases [C] - Immune System Diseases [C20] | 
| MedDRA Classification | 
| E.1.2 Medical condition or disease under investigation | 
| 
| E.1.2 | Version | 18.0 |  
| E.1.2 | Level | LLT |  
| E.1.2 | Classification code | 10036019 |  
| E.1.2 | Term | Pollen allergy |  
| E.1.2 | System Organ Class | 100000004870 |  | 
| E.1.3 | Condition being studied is a rare disease | No | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial | 
| Establish a dose-response relationship for the treatment of rhinitis/rhinoconjunctivitis due to grass pollen allergy |  
| El objetivo principal de este ensayo consiste en la determinación de la dosis más eficaz para el tratamiento de rinitis/rinoconjuntivitis por alergia al polen de gramíneas, mediante el test de provocación nasal (TPN), tanto para el tratamiento subcutáneo como para el tratamiento sublingual. |  | 
| E.2.2 | Secondary objectives of the trial | 
| As secondary objectives will be assessed efficacy, tolerance and safety of four concentrations, for both immunotherapy subcutaneous and sublingual immunotherapy. |  
| Como objetivos secundarios se evaluarán la eficacia, la tolerancia y la seguridad de las cuatro concentraciones, tanto para la inmunoterapia subcutánea como para inmunoterapia sublingual. |  | 
| E.2.3 | Trial contains a sub-study | No | 
| E.3 | Principal inclusion criteria | 
| -Written informed consent - Positive suggestive clinical history of intermittent or persistent moderate to severe rhinitis /rhinoconjunctivitis, with or without moderate asthma, due to grass pollen allergy
 - Subjects with a positive skin prick-test (wheal sixe >6 mm diameter)
 Specific IgE (CAP >3) to grass pollen
 - Age between 14 and 65 years
 - Both genders
 - Subjects capable of giving informed consent
 - Subjects capable of complying with the dosing regimen
 - Subjects that have not received immunotherapy in the last 5 years
 - Subjects presenting sensitization to another aeroallergens and or mites, cats or dogs, but that is considered clinically not relevant or no clinical interference with the nasal provocation test.
 |  
| - Sujeto que haya firmado el consentimiento informado - Sujetos con historia clínica confirmada de alergia inhalatoria (rinitis y/o rinoconjuntivitis intermitente o persistente moderada-grave con o sin asma leve-moderada) causada por alergia al polen de gramíneas.
 - Sujetos con un prick-test positivo (diámetro medio de la pápula > 6 mm) con un extracto estandarizado de polen de gramíneas realizado no antes de 6 meses al momento de la visita de inclusión.
 - IgE específica (CAP) frente al representante de pólenes de gramíneas (Phleum pratense, Dactylis, Holcus o Lolium) con un valor de clase > 4 y cuya  determinación no supere los 6 meses anteriores a la visita de inclusión.
 - Sujetos con edad comprendida entre 14 y 65 años
 - Ambos sexos
 - Sujetos capaces de otorgar el consentimiento informado
 - Sujetos capaces de cumplir con el régimen de dosificación
 - Sujetos que no hayan recibido inmunoterapia frente a pólenes de gramíneas en los últimos 5 años
 - Sujetos que presenten sensibilización a otros aeroalergenos y / o ácaros, gatos o perros, pero que sea considerada como clínicamente no relevante o sin  interferencia clínica en los momentos de la realización del test de provocación nasal.
 |  | 
| E.4 | Principal exclusion criteria | 
| - Subjects outside of the age range. - Subjects who have previously received immunotherapy for the treatment of the allergic rhinitis/rhinoconjunctivitis due to grass pollen and other allergens in the last 5 years.
 - Subjects that immunotherapy may be an absolute contraindication  according to the criteria of the immunotherapy Committee of the Spanish society of Allergy and Clinical Immunology, and of the European Allergy and Clinical Immunology Immunotherapy Subcommittee  may also include.
 - Subjects with important symptoms of rhinoconjunctivitis /bronchial asthma in which the suspension of the  systemic antihistamine treatment is contraindicated.
 -Subjects with persistent severe or not controlled asthma , with a FEV< 70 respect to the reference value in spite of the appropiate pharmacological treatment  at the time of the inclusion in the trial.
 -Subjects that have required oral  corticosteroids in the 12 weeks previous to the  inclusion in the trial.
 - Subjects that have previously submitted a serious secondary reaction during the skin prick test
 -Subjects in treatment with beta blockers.
 - Unstable subjects from the clinical point of view (respiratory infection, febrile, acute urticaria, etc.) at the time of the inclusion in the clinical trial
 - Subject with chronic urticaria in the last 2 years or hereditary angioedema.
 -Subjects that have some pathology (hyperthyroidism, hypertension, heart disease, etc.)  is contraindicated.
 -Subjects with any other disease not associated with the rinitis/rinoconjuntivitis, but of potential severity and that could interfere with treatment and follow-up (epilepsy, psychomotor deterioration, diabetes, malformations, multioperados, kidney diseases,...).
 - Subjects with autoimmune disease (lupus, thyroiditis, etc.), tumor or with diagnosis of immunodeficiency diseases.
 - Subject whose status prevents him from providing cooperation and or which present severe psychiatric disorders.
 -Subject with known allergy to other components of the vaccine different from pollen of grasses.
 - Subjects with lower airway diseases other than asthma such as emphysema or bronchiectasis.
 - Direct investigator's relatives.
 - Pregnant or women at risk of pregnancy and breastfeeding women.
 |  
| - Sujetos fuera del rango de edad. - Sujetos que hayan recibido previamente inmunoterapia para el tratamiento de la rinitis/rinoconjuntivitis alérgicas por polen de gramíneas y con otros alérgenos en los 5 años previos. Tampoco podrán incluirse los sujetos en los que la inmunoterapia pueda ser objeto de contraindicación general absoluta según los criterios del Comité de Inmunoterapia de la Sociedad Española de Alergia e Inmunología Clínica y del European Allergy and Clinical Immunology Immunotherapy Subcommittee (67).
 - Sujetos con síntomas importantes de rinoconjuntivitis y/o asma bronquial en los cuales la suspensión del tratamiento antihistamínico por vía sistémica esté contraindicada.
 - Sujetos con asma persistente grave o no controlada, con un FEV1 <70% con  respecto al valor de referencia a pesar del un tratamiento farmacológico adecuado en el momento de la inclusión en el ensayo.
 - Sujetos que hayan requerido corticoides orales en las 12 semanas previas al momento de la inclusión en el ensayo.
 - Sujetos que hayan presentado previamente una reacción secundaria grave durante la realización de pruebas cutáneas de diagnóstico mediante prick test.
 - Sujetos en tratamiento con ß-bloqueantes.
 - Sujetos inestables desde el punto de vista clínico en el momento de la inclusión en el ensayo (infección respiratoria, proceso febril, urticaria aguda, etc.)
 - Sujetos con urticaria crónica durante los 2 últimos años o antecedentes de angioedema hereditario.
 - Sujetos que tengan alguna patología en la que esté contraindicada la administración de adrenalina (hipertiroidismo, HTA, cardiopatía, etc.).
 - Sujetos con alguna otra enfermedad no relacionada con la rinitis/rinoconjuntivitis, pero de potencial gravedad y que pueda interferir con el tratamiento y seguimiento (epilepsia, alteración psicomotora, diabetes, malformaciones, multioperados, nefropatías,..).
 - Sujetos con enfermedad autoinmune (tiroiditis, lupus, etc.), enfermedades tumorales o con diagnóstico de inmunodeficiencias.
 - Sujeto cuyo estado le impide ofrecer cooperación y o que presente trastornos psiquiátricos severos.
 - Sujetos con alergia conocidas a los otros componentes de la vacuna diferentes al polen de gramíneas.
 - Sujetos con enfermedades de la vía respiratoria inferior diferentes al asma como el enfisema o las bronquiectasias.
 - Sujetos que sean familiares directos de los investigadores.
 - Mujeres embarazadas o con riesgo de embarazo y mujeres lactantes.
 |  | 
| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| - Changes in the threshold concentration required to elicit a positive response after nasal provocation test (NPT ) between the begining and end of trial |  
| Cambio de la concentración umbral necesaria para provocar una reacción positiva después del test de provocación nasal (TPN) entre el inicio y el final del ensayo. |  | 
| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
| Beguining and end of the clinical trial |  
| Principio y final del ensayo |  | 
| E.5.2 | Secondary end point(s) | 
| - Dose finding skin prick  test - Immunological parameters
 - Safety variables
 - Comparation of each group versus placebo
 - Comparation between subcutaneous immnunotherapy groups vesus sublingual mmnunotherapy groups
 |  
| - Test cutáneos dosis-respuesta - Parámetros inmunológicos
 - Variables de seguridad
 - Comparación de cada uno de los grupos respecto al placebo
 - Comparación entre los grupos de inmunoterapia subcutánea e inmunoterapia sublingual
 |  | 
| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
| At the beginign and the end of the trial |  
| Al  principio y al final del ensayo |  | 
| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis | No | 
| E.6.2 | Prophylaxis | No | 
| E.6.3 | Therapy | No | 
| E.6.4 | Safety | Yes | 
| E.6.5 | Efficacy | No | 
| E.6.6 | Pharmacokinetic | No | 
| E.6.7 | Pharmacodynamic | No | 
| E.6.8 | Bioequivalence | No | 
| E.6.9 | Dose response | Yes | 
| E.6.10 | Pharmacogenetic | No | 
| E.6.11 | Pharmacogenomic | No | 
| E.6.12 | Pharmacoeconomic | No | 
| E.6.13 | Others | No | 
| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) | No | 
| E.7.1.1 | First administration to humans | No | 
| E.7.1.2 | Bioequivalence study | No | 
| E.7.1.3 | Other | No | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) | Yes | 
| E.7.3 | Therapeutic confirmatory (Phase III) | No | 
| E.7.4 | Therapeutic use (Phase IV) | No | 
| E.8 Design of the trial | 
| E.8.1 | Controlled | Yes | 
| E.8.1.1 | Randomised | Yes | 
| E.8.1.2 | Open | No | 
| E.8.1.3 | Single blind | No | 
| E.8.1.4 | Double blind | Yes | 
| E.8.1.5 | Parallel group | Yes | 
| E.8.1.6 | Cross over | No | 
| E.8.1.7 | Other | Yes | 
| E.8.1.7.1 | Other trial design description | 
| Doble simulación |  
| double dummy |  | 
| E.8.2 | Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) | No | 
| E.8.2.2 | Placebo | Yes | 
| E.8.2.3 | Other | No | 
| E.8.2.4 | Number of treatment arms in the trial | 9 | 
| E.8.3 | The trial involves single site in the Member State concerned | No | 
| E.8.4 | The trial involves multiple sites in the Member State concerned | Yes | 
| E.8.4.1 | Number of sites anticipated in Member State concerned | 12 | 
| E.8.5 | The trial involves multiple Member States | No | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA | No | 
| E.8.6.2 | Trial being conducted completely outside of the EEA | No | 
| E.8.7 | Trial has a data monitoring committee | No | 
| E.8.8 | Definition of the end of the trial and justification where it is not the last
                        visit of the last subject undergoing the trial | 
| The date of the LVLP (the last patient last visit) will be regarded as the date of completion of the trial |  
| La fecha del UVUP (última visita del último paciente) se considerará como la fecha de finalización del ensayo |  | 
| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 1 | 
| E.8.9.1 | In the Member State concerned months | 0 | 
| E.8.9.1 | In the Member State concerned days | 0 |