| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated | 
| moderate to severe Atopic Dermatitis |  
| Dermatitis Atópica de moderada a grave |  | 
| E.1.1.1 | Medical condition in easily understood language | 
| Atopic Dermatitis, also known as Atopic Eczema |  
| Dermatitis Atópica, también conocida como eczema atópico. |  | 
| 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 evaluate the efficacy and safety of upadacitinib versus dupilumab for the treatment of adult subjects with moderate to severe atopic dermatitis who are candidates for systemic therapy. |  
| Evaluar la eficacia y la seguridad de upadacitinib en comparación con dupilumab para el tratamiento de pacientes adultos con Dermatitis Atópica de moderada a grave que son candidatos a recibir tratamiento sistémico. |  | 
| E.2.2 | Secondary objectives of the trial | 
| 1. Percent change from Baseline to Week 16 in worst pruritus numerical rating scale (NRS) 2. Proportion of subjects achieving a 100% reduction in EASI (EASI 100) at Week 16
 3. Proportion of subjects achieving a 90% reduction in EASI (EASI 90) at Week 16
 |  
| 1. Porcentaje de cambio en la escala de valoración numérica (EVN) del peor prurito desde Basal hasta semana 2. Proporción de pacientes que logran una reducción del 100% en EASI (EASI 100) en la semana 16.
 3. Proporción de pacientes que logran una reducción del 90% en EASI (EASI 90) en la semana 16.
 |  | 
| E.2.3 | Trial contains a sub-study | No | 
| E.3 | Principal inclusion criteria | 
| • Male or female subjects 18 years old and 75 years old • Active moderate to severe atopic dermatitis defined by EASI, IGA, BSA, and pruritus
 • Candidate for systemic therapy or have recently required systemic therapy for atopic dermatitis
 |  
| • Hombre o mujer entre 12-75 años • Dermatitis atópica activa de moderada a grave definida por EASI, IGA, BSA y prurito.
 • Candidatos a terapia sistémica o que hayan recibido recientemente terapia sistémica para la dermatitis atópica.
 |  | 
| E.4 | Principal exclusion criteria | 
| • Prior exposure to any JAK inhibitor or Dupilumab • Unable or unwilling to discontinue current AD treatments prior to the study
 • Requirement of prohibited medications during the study
 • Other active skin diseases or skin infections requiring systemic treatment or would interfere with appropriate assessment of atopic dermatitis lesions
 • Female subject who is pregnant, breastfeeding, or considering pregnancy during the study
 |  
| • Exposición previa a cualquier inhibidor JAK o Dupilumab. • No querer o ser incapaz de discontinuar antes del estudio los tratamientos actuales para DA
 • Requerir medicación prohibida durante el estudio
 • Otra enfermedad activa de la piel o infecciones de piel que requieran tratamiento sistémico o que pueden interferir con la evaluación de las lesiones de la dermatitis atópica.
 • Mujeres embarazadas, dando el pecho o considerando quedarse embarazadas durante el estudio.
 |  | 
| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Proportion of subjects achieving a 75% reduction in Eczema Area Severity Index (EASI 75) at Week 16 |  
| Proporción de pacientes que logran una reducción del 75% del Índice de extensión y gravedad del eczema (EASI 75) en semana 16 |  | 
| E.5.1.1 | Timepoint(s) of evaluation of this end point |  | 
| E.5.2 | Secondary end point(s) | 
| - Percent change from baseline to Week 16 in worst pruritus NRS - Proportion of subjects achieving EASI 100 at Week 16
 - Proportion of subjects achieving EASI 90 at Week 16
 |  
| - Cambio porcentual en EVN del peor prurito entre basal y la semana 16 - Proporción de pacientes que logran una EASI 100 en semana 16
 - Proporción de pacientes que logran una EASI 90 en semana 16
 |  | 
| E.5.2.1 | Timepoint(s) of evaluation of this end point |  | 
| 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 | Yes | 
| E.6.6 | Pharmacokinetic | No | 
| E.6.7 | Pharmacodynamic | No | 
| E.6.8 | Bioequivalence | No | 
| E.6.9 | Dose response | No | 
| 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) | No | 
| E.7.3 | Therapeutic confirmatory (Phase III) | Yes | 
| 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) | Yes | 
| E.8.2.2 | Placebo | No | 
| E.8.2.3 | Other | No | 
| E.8.2.4 | Number of treatment arms in the trial | 2 | 
| 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 | 6 | 
| E.8.5 | The trial involves multiple Member States | Yes | 
| E.8.5.1 | Number of sites anticipated in the EEA | 75 | 
| 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 | 
| Australia |  
| Canada |  
| Israel |  
| Malaysia |  
| New Zealand |  
| Singapore |  
| Taiwan |  
| Ukraine |  
| United States |  | 
| E.8.7 | Trial has a data monitoring committee | Yes | 
| 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 |  | 
| 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 | 7 | 
| E.8.9.1 | In the Member State concerned days | 4 | 
| E.8.9.2 | In all countries concerned by the trial years | 1 | 
| E.8.9.2 | In all countries concerned by the trial months | 7 | 
| E.8.9.2 | In all countries concerned by the trial days | 4 |