| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated | 
| Breast Cancer |  
| Cáncer de mama |  | 
| E.1.1.1 | Medical condition in easily understood language | 
| Breast Cancer |  
| Cáncer de mama |  | 
| E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] | 
| MedDRA Classification | 
| E.1.2 Medical condition or disease under investigation | 
| 
| E.1.2 | Version | 16.0 |  
| E.1.2 | Level | PT |  
| E.1.2 | Classification code | 10006187 |  
| E.1.2 | Term | Breast cancer |  
| E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |  | 
| 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 | 
| The primary objective is to determine clinical benefit rate in patients with AR+ triple-negative breast cancer (TNBC). |  
| El objetivo principal es determinar la tasa de beneficio clínico en pacientes con cáncer de mama RA+ triple negativo. |  | 
| E.2.2 | Secondary objectives of the trial | 
| To determine additional measures of clinical benefit including response rate, duration of response and PFS To assess the safety, tolerability and PK of enzalutamide and its active metabolite
 |  
| Determinar medidas adicionales de beneficio clínico incluyendo tasa de respuesta, duración de la respuesta y SSP. Evaluar la seguridad, tolerabilidad y FC de enzalutamida y su metabolito activo.
 |  | 
| E.2.3 | Trial contains a sub-study | No | 
| E.3 | Principal inclusion criteria | 
| -Advanced AR+ (any nuclear AR staining by IHC) TNBC, where advanced disease is defined as metastatic disease or locally advanced disease that is not amenable to surgery or radiotherapy with curative intent; -Availability of a tumor specimen that enabled the definitive diagnosis of breast cancer;
 -Either measurable disease or bone-only nonmeasurable disease;
 -Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
 |  
| -CMTN con RA+ avanzado (definido como cualquier tinción nuclear del RA por IHQ) donde enfermedad avanzada se define como enfermedad metastásica o avanzada a nivel local que no se pueda tratar con cirugía ni radioterapia con intención curativa. -Disponibilidad de una muestra tumoral representativa que haya permitido el diagnóstico definitivo del cáncer de mama.
 -Las pacientes deben presentar enfermedades cuantificables o enfermedades no cuantificables que solo afecten a los huesos.
 -Estado de rendimiento 0 o 1 del Eastern Cooperative Oncology Group (ECOG)
 |  | 
| E.4 | Principal exclusion criteria | 
| -Current or previously treated brain metastasis or active leptomeningeal disease; -Current hormone replacement therapy;
 -Abnormal hematology, liver function tests and creatinine laboratory values at screening;
 -History of seizure or any condition that may predispose to seizure;
 -History of loss of consciousness or transient ischemic attack within past 12 months;
 -An active gastrointestinal disorder affecting absorption (e.g., gastrectomy, active peptic ulcer disease; uncontrolled celiac disease);
 -Treatment with any approved or investigational agent that blocks androgen synthesis or targets the AR (e.g., abiraterone acetate, ARN-509, bicalutamide, enzalutamide, ODM-201, TAK-448, TAK-683, TAK-700); patients who received treatment for < 28 days or placebo on an investigational study are acceptable;
 -Hypersensitivity reaction to the active pharmaceutical ingredient or any of the capsule components, including Labrasol, butylated hydroxyanisole, and butylated hydroxytoluene
 |  
| -Metástasis cerebral tratada en la actualidad o previamente, o enfermedad leptomeníngea activa.
 -Terapia hormonal sustitutiva actual.
 -Valores hematológicos, de función renal y creatinina anormales en la visita de selección.
 -Historial de crisis, o cualquier condición que pueda suponer una predisposición a ellas.
 -Antecedentes de pérdida de conciencia o accidente isquémico transitorio en los 12 meses anteriores al día 1.
 -Trastorno gastrointestinal activo que afecte a la absorción (por ejemplo, gastrectomía, enfermedad ulcerosa péptica activa, enfermedad celiaca incontrolada).
 -Tratamiento con cualquier agente aprobado o en fase de investigación que bloquee la síntesis de andrógenos o se dirija al RA (por ejemplo, acetato de abiraterona, ARN-509, bicalutamida, enzalutamida, ODM-201, TAK-448, TAK-683, TAK-700); se aceptan pacientes que recibieron tratamiento durante < 28 días o placebo en un estudio en fase de investigación.
 -Reacción de hipersensibilidad al principio activo o a alguno de los componentes de la cápsula, incluido el Labrasol, butilhidroxianisol y butilhidroxitolueno.
 |  | 
| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Clinical benefit rate, defined as the proportion of evaluable patients with a best response of CR, PR, or SD > 16 weeks |  
| El criterio de valoración de eficacia principal es la tasa de beneficio clínico, definida como la proporción de pacientes evaluables con una mejor respuesta de RC, RP o EE>16 semanas. |  | 
| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
| Time from randomization to disease progression |  
| Tiempo trascurrido desde la aleatorización hasta la progresión de la enfermedad. |  | 
| E.5.2 | Secondary end point(s) | 
| Additional measures include clinical benefit at >24 weeks, best objective response rate, duration of response and PFS, will be evaluated |  
| Se evaluarán medidas adicionales incluyendo beneficio clínico >24 semanas, mejor tasa de respuesta objetiva, duración de la respuesta y supervivencia sin progresión (SSP). |  | 
| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
| Time from randomization to disease progression |  
| Tiempo trascurrido desde la aleatorización hasta progresión de la enfermedad. |  | 
| 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 | Yes | 
| 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) | 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 | No | 
| E.8.1.1 | Randomised | No | 
| E.8.1.2 | Open | Yes | 
| E.8.1.3 | Single blind | No | 
| E.8.1.4 | Double blind | No | 
| E.8.1.5 | Parallel group | No | 
| 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 | No | 
| E.8.2.3 | Other | No | 
| E.8.2.4 | Number of treatment arms in the trial | 1 | 
| 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 | 4 | 
| E.8.5 | The trial involves multiple Member States | Yes | 
| E.8.5.1 | Number of sites anticipated in the EEA | 21 | 
| 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 | 
| Belgium |  
| Canada |  
| France |  
| Germany |  
| Ireland |  
| Italy |  
| Spain |  
| United Kingdom |  
| 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 |  | 
| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 3 | 
| E.8.9.1 | In the Member State concerned months | 3 | 
| E.8.9.1 | In the Member State concerned days | 0 | 
| E.8.9.2 | In all countries concerned by the trial years | 3 | 
| E.8.9.2 | In all countries concerned by the trial months | 3 | 
| E.8.9.2 | In all countries concerned by the trial days | 0 |