| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated | 
| Atopic Dermatitis |  
| Dermatitis atópica |  | 
| E.1.1.1 | Medical condition in easily understood language | 
| Atopic Dermatitis |  
| Dermatitis atópica |  | 
| 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 | 20.0 |  
| E.1.2 | Level | LLT |  
| E.1.2 | Classification code | 10003639 |  
| E.1.2 | Term | Atopic dermatitis |  
| E.1.2 | System Organ Class | 100000004858 |  | 
| 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 | 
| •	To compare the efficacy of LY3375880 to placebo as measured by IGA at Week 16 in the treatment of subjects with moderate-to-severe AD |  
| Comparar la eficacia de LY3375880 con la del placebo en el tratamiento de pacientes con DA de moderada a grave, de acuerdo con la EGI en la semana 16. |  | 
| E.2.2 | Secondary objectives of the trial | 
| •	To compare the efficacy of LY3375880 to placebo as measured by improvement in signs and symptoms at Week 16 and 52 in the treatment of subjects with moderate-to-severe AD 
 •	To characterize the PK of LY3375880 in subjects with moderate-to-severe AD
 |  
| •	Comparar la eficacia de LY3375880 con la del placebo en el tratamiento de pacientes con DA de moderada a grave, de acuerdo con la EGI en la semana 16. 
 •	Caracterizar la FC de LY3375880 en pacientes con DA de moderada a grave.
 |  | 
| E.2.3 | Trial contains a sub-study | No | 
| E.3 | Principal inclusion criteria | 
| --At least 18 years of age at the time of informed consent --Diagnosis of AD >= 12 months according to AAD criteria (Eichenfeld, 2014)
 --Moderate to severe AD at screening and randomization
 --Inadequate response to topical medications within 6 months of screening (or history of intolerance)
 |  
| -- Al menos 18 años de edad en el momento de la firma del consentimiento informado. -- Diagnóstico de DA al menos desde hace 12 meses, de acuerdo con los criterios de la AAD (Eichenfeld, 2014).
 -- DA de moderada a grave durante la selección y la aleatorización.
 -- Respuesta insuficiente a medicamentos tópicos en el transcurso de los 6 meses anteriores a la selección (o antecedentes de intolerancia a estos medicamentos).
 |  | 
| E.4 | Principal exclusion criteria | 
| --Have received any prior treatment with dupilumab or any agent directly targeting Il-33 or IL-13 --Concurrent treatment with topical or systemic treatments for AD
 |  
| -- Haber recibido anteriormente cualquier tratamiento con dupilumab o con otro medicamento que actúe directamente sobre la IL-33 o la IL-13. -- Administración concomitante de tratamientos tópicos o sistémicos para la DA.
 |  | 
| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Proportion of subjects achieving IGA of 0 or 1 with a ≥2 point improvement |  
| Porcentaje de pacientes que alcancen una puntuación de 0 o 1 en la EGI, con una mejoría ≥2 puntos. |  | 
| E.5.1.1 | Timepoint(s) of evaluation of this end point |  | 
| E.5.2 | Secondary end point(s) | 
| Proportion of subjects achieving at Week 16 o	EASI-50
 o	EASI-75
 o	EASI-90
 o	SCORAD-75
 o	SCORAD-90
 o	IGA of 0
 
 Mean change from baseline to Week 16 in
 o	EASI
 o	SCORAD
 
 Proportion of subjects achieving IGA of 0 or 1 at Week 52
 
 Serum PK Data
 |  
| Porcentaje de pacientes que en la semana 16 alcancen: o una respuesta EASI-50
 o una respuesta EASI-75
 o una respuesta EASI-90
 o una respuesta SCORAD-75
 o una respuesta SCORAD-90
 o una puntuación de 0 en la EGI
 Media de la variación entre el período inicial y la semana 16 en:
 o el índice EASI
 o el índice SCORAD
 Porcentaje de pacientes que en la semana 52 alcancen una puntuación de 0 o 1 en la EGI.
 Datos relativos a la FC sérica.
 |  | 
| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
| Week 16 and Week 52 |  
| Semana 16 y semana 52 |  | 
| 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 | Yes | 
| E.6.4 | Safety | Yes | 
| E.6.5 | Efficacy | Yes | 
| E.6.6 | Pharmacokinetic | Yes | 
| E.6.7 | Pharmacodynamic | Yes | 
| E.6.8 | Bioequivalence | No | 
| E.6.9 | Dose response | Yes | 
| E.6.10 | Pharmacogenetic | Yes | 
| E.6.11 | Pharmacogenomic | Yes | 
| 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 | No | 
| 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 | 4 | 
| 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 | 3 | 
| E.8.5 | The trial involves multiple Member States | Yes | 
| E.8.5.1 | Number of sites anticipated in the EEA | 16 | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA | Yes | 
| E.8.6.2 | Trial being conducted completely outside of the EEA | No | 
| E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned | 
| Austria |  
| Canada |  
| Czech Republic |  
| France |  
| Germany |  
| Hungary |  
| Italy |  
| Japan |  
| Spain |  
| United States |  | 
| 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 last visit or last scheduled procedure shown for the last active patient in the study |  
| Fecha de la última vista o del último procedimiento programado para el último paciente activo del estudio |  | 
| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 2 | 
| E.8.9.1 | In the Member State concerned months |  | 
| E.8.9.1 | In the Member State concerned days | 7 | 
| E.8.9.2 | In all countries concerned by the trial years | 2 | 
| E.8.9.2 | In all countries concerned by the trial days | 7 |