| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated | 
| Iron deficiency in Chronic obstructive pulmonary disease patients (COPD) |  
| Deficiencia de hierro en pacientes enfermedad pulmonar obstructiva crónica (EPOC) |  | 
| E.1.1.1 | Medical condition in easily understood language | 
| Disease of lung inflammation |  
| Enfermedad de la inflamación de los pulmones |  | 
| E.1.1.2 | Therapeutic area | Diseases [C] - Respiratory Tract Diseases [C08] | 
| MedDRA Classification | 
| 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 Investigate if intravenous iron (carboxymaltose) treatment in stable COPD and iron deficiency  with or without mild anemia  improves exercise tolerance. |  
| Investigar si el tratamiento con hierro intravenoso (carboximaltosa) en la EPOC estable y déficit de hierro con o sin anemia leve mejora la tolerancia al esfuerzo. |  | 
| E.2.2 | Secondary objectives of the trial | 
| Investigate whether  intravenous iron treatment (carboxymaltose) in stable COPD and improve iron deficiency: a) Clinical:
 1. Disease symptoms (measured by the CAT and CRQ questionnaires)
 2. Daily physical activity (measured by accelerometer and  IPAQ questionnaire)
 b) Basic:
 3. Increases levels of hepcidin.
 4. Systemic inflammation and oxidative stress response modulate hepcidin.
 |  
| Investigar si el tratamiento con hierro intravenoso (carboximaltosa) en la EPOC estable y déficit de hierro mejora: a) Clínicos:
 1.	Los síntomas de la enfermedad (medido mediante los cuestionarios CAT y  CRQ)
 2.	La actividad física diaria (medida por acelerómetro y cuestionario IPAQ)
 b) Básicos:
 3.	Aumenta los niveles de hepcidina.
 4.	La inflamación sistémica y estrés oxidativo modulan la respuesta de la hepcidina.
 |  | 
| E.2.3 | Trial contains a sub-study | No | 
| E.3 | Principal inclusion criteria | 
| -Patients of both genres aged between 45 and 80 years. -Clinical stability for at least 8 weeks prior to inclusion in the study.
 - No change for the last 8 weeks in COPD and comorbidities pharmacotherapy treatment since last  antibiotics intake and/ or systemic steroids for COPD exacerbation.
 - Patients who have signed the  informed consent indicating that they have been informed of all pertinent aspects of the trial.
 |  
| -Pacientes adultos de ambos sexos de edades comprendidas entre los 45 y 80 años. -Estabilidad clínica  durante al menos 8 semanas previas a la inclusión en el estudio desde la última toma de antibióticos y/o esteroides sistémicos por exacerbación de la EPOC.
 -Tratamiento farmacológico sin cambios durante las últimas 8 semanas tanto de la EPOC como de las comorbilidades.
 -Pacientes que firmen el consentimiento informado indicando que han sido informados de todos los aspectos pertinentes sobre el ensayo.
 |  | 
| E.4 | Principal exclusion criteria | 
| -Cardiovascular,  neurological,  liver,  kidney,  musculoskeletal alterarions or uncontrolled psychiatric disorders that prevent the exercise. - Asthma diagnosis.
 -Obesity, BMI superior than or equal to 30 kg / m2
 - Any digestive, renal or gynecological loss of blood .
 - Chronic home oxygen therapy.
 - Heart failure with  fraction ejection below 60%.
 - Active oncologic disease or that have required treatment in the last year.
 -Allergy or hypersensitivity to carboxymaltose iron or to any of the excipients of the study drug.
 - Hemoglobin equal or below 12g / dl in men and 11 g / dl in women.
 - Dose iron replenish superior of 1000 mg (20 ml carboxymaltose iron) in a week
 - Hypersensitivity to parenteral iron. Use of erythropoietin, iron (oral or intravenous -IV-) or transfusion prior month.
 - Chronic liver disease (transaminases three times under the normal value).
 -Pregnant or breast-feeding.
 -Participation in a clinical drug research before 3 months in pre-drug administration.
 |  
| -Alteraciones cardiovasculares, neurológicas, hepáticas, renales, músculo-esqueléticas o trastornos psiquiátricos no controlados que impidan la práctica de ejercicio. -Diagnóstico de Asma.
 -Obesidad, IMC mayor o igual a 30 kg/m2
 -Cualquier pérdida de sangre a nivel digestivo, renal o ginecológico.
 -Oxigenoterapia crónica domiciliaria.
 -Insuficiencia cardíaca con fracción de eyección menor del 60%.
 -Enfermedad oncológica activa o que ha requerido tratamiento en el último año.
 -Alergia o hipersensibilidad al hierro carboximaltosa o a alguno de los excipientes del medicamento en estudio.
 -Hemoglobina igual o inferior a 12g/dl en varones y 11 g/dl en mujeres.
 -Dosis de hierro a reponer en una semana mayor de 1000 mg (20 ml de hierro carboximaltosa).
 -Hipersensibilidad al hierro parenteral. Uso de eritropoyetina, hierro (oral o intravenoso -IV-) the previous month.
 -Enfermedad hepática crónica (transaminasas tres inferior veces el valor normal).
 -Mujeres  embarazadas o en periodo de lactancia.
 -Participación  en  alguna  investigación  clínica  con medicamentos dentro  de  los  3  meses  anteriores  a  la administración del  fármaco.
 |  | 
| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Resistance time cycle ergometer at 75% of the maximum load or Wpico |  
| Tiempo de resistencia en cicloergómetro al 75% de la carga máxima o Wpico |  | 
| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
| 4 weeks from treatment administration |  
| 4 semanas desde la administración del tratamiento |  | 
| E.5.2 | Secondary end point(s) | 
| a) CAT and CRQ questionnaires to assess symptoms and quality of life. b) Daily physical activity measured by the accelerometer SenseWear® Pro2 Armband (SWA ; Body Media, Pittsburgh , PA) with a record for 7 days of daily physical activity.
 c) Venous blood extraction for laboratory tests  (routine blood chemistries, including: serum ferritin, transferrin , transferrin saturation, serum iron , blood count hepatograma) , hepcidin for the biomarkers study related to systemic inflammation and route of hepcidin ( IL - 6, CRP ) plus oxidative stress at a blood level.
 |  
| a)Cuestionarios CAT y CRQ síntomas y para valorar calidad de vida. b) Actividad física diaria. Se medirá por acelerometría mediante el acelerómetro SenseWear® Pro2 Armband (SWA; Body Media, Pittsburgh, PA) con un registro durante 7 días de la actividad física diaria.
 c) Extracción venosa para analítica (bioquímica sanguínea rutinaria, incluyendo; ferritina sérica, transferrina, saturación de transferrina, hierro sérico, hemograma. hepatograma), hepcidina y para estudio de biomarcadores relacionados con inflamación sistémica y la vía de la hepcidina (IL-6, PCR), además de estrés oxidativo a nivel sanguíneo.
 |  | 
| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
| 4 weeks from treatment administration |  
| 4 semanas desde la administración del tratamiento |  | 
| 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 | No | 
| 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 | 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) | No | 
| E.7.4 | Therapeutic use (Phase IV) | Yes | 
| 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 | Yes | 
| E.8.1.4 | Double blind | No | 
| 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 | 2 | 
| E.8.3 | The trial involves single site in the Member State concerned | Yes | 
| E.8.4 | The trial involves multiple sites in the Member State concerned | No | 
| 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 | 
| Last visit of the last recruited patient. |  
| Última visita del último paciente reclutado. |  | 
| 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 | 6 | 
| E.8.9.1 | In the Member State concerned days | 0 |