E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Patients at high risk of developing an iodinated contrast-induced nephropathy. |
Pacientes con alto riesgo de desarrollar nefropatía por contraste |
|
E.1.1.1 | Medical condition in easily understood language |
Patients at high risk of developing kidney damage when performing a radiology test with contrast |
Pacientes con alto riesgo de desarrollar daño renal al realizarse una prueba radiológica con contraste |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Cardiovascular Diseases [C14] |
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 |
Compare the incidence of nephropathy induced by iodinated contrasts (NIC) after the administration of oral sodium chloride in relation to intravenous risk outpatients |
Comparar la incidencia de NIC tras la administración de cloruro sódico por vía oral en relación con la vía intravenosa en pacientes ambulantes de alto riesgo. |
|
E.2.2 | Secondary objectives of the trial |
Study and assess the clinical utility of various biomarkers of NIC damage, both for early diagnosis of renal damage prior to stratification of risk of developing it.
Develop in accordance with the results obtained a recommendation applicable to outpatients at high risk for NIC. |
Estudiar y valorar la utilidad clínica de diversos biomarcadores de daño en la NIC, tanto para el diagnóstico precoz del daño renal como para la estratificación previa del riesgo de desarrollarla.
Elaborar en función de los resultados obtenidos una recomendación aplicable a pacientes ambulantes de alto riesgo de padecer NIC. |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Patients will undergo performing contrast CT, as indicated by clinical practice, and after being informated, agree to participate and sign the written consent to participate in the study , and meet the following criteria:
Age over 65 years
One of the following risk factors for NIC: diabetes mellitus, stable heart failure or kidney failure (estimated glomerular filtration rate calculated by the MDRD-4 between 30 and 60 ml / min) |
Pacientes que vayan a ser sometidos a la realización de TAC con contraste, según indicación de práctica clínica, y que tras haber recibir información sobre el diseño, los fines del estudio, los posibles riesgos que de él pueden derivarse, y denegación de continuar en el estudio, otorguen por escrito su consentimiento para participar en el estudio y para la cesión de muestras biológicas y cumplan los siguientes criterios:
Edad superior a 65 años
Uno de los siguientes factores de riesgo de NIC: diabetes mellitus, insuficiencia cardiaca estable o insuficiencia renal (un filtrado glomerular estimado calculado por la fórmula MDRD-4 entre 30 y 60 ml/min) |
|
E.4 | Principal exclusion criteria |
Glomerular filtration rate below 30 ml / min.
Presence of hypokalemia (serum potassium less than 3.5 mEq / L). Other procedures with intravenous contrast in the 15 previous days.
Administration of nephrotoxic drugs (NSAIDs, aminoglycosides and / or potentially nephrotoxic chemotherapy) in the previous72 hours, or after the treatment. |
Filtrado glomerular inferior a 30 ml/min.
Presencia de hipopotasemia (potasio sérico inferior a 3,5 mEq/L).
Realización de otros procedimientos con contraste intravenoso en los quince días previos.
Administración de nefrotóxicos (AINES, aminoglucósidos y/o quimioterápicos potencialmente nefrotóxicos) en las últimas 72 horas, o previsión de recibirlos en horas posteriores.
Patología crónica descompensada: insuficiencia cardiaca aguda, EPOC descompensado o hipertensión arterial mal controlada. |
|
E.5 End points |
E.5.1 | Primary end point(s) |
NIC defined by the presence in the first 48 hours after administration of contrast, any of the following criteria, in the absence of other causes warrant:
Increased serum creatinine greater than 0.3 mg / dl, compared to baseline.
Reduction in glomerular filtration rate estimated by the MDRD formula (simply) more than 25% of baseline. |
Aparición de NIC definida por la presencia en las primeras 48 horas tras la administración del contraste, en ausencia de otras causas que lo justifiquen, de cualquiera de los siguientes criterios:
Aumento de la creatinina sérica mayor de 0,3 mg/dl, con respecto a la basal.
Reducción del filtrado glomerular estimado por la fórmula MDRD (forma sencilla) superior al 25 % del valor basal. |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
|
E.5.2 | Secondary end point(s) |
Plasma Cystatin C,
Serum ions
Venous gas analysis.
Serum MicroRNAs: microRNA101 * microRNA127 microRNA126 * and *.
Urinary concentrations: NGAL *, * KIM-1, NAG *, t-gelsolin * GM2AP *, and creatinine Sodium, pH, microalbuminuria and protein in a urine sample. |
Cistatina C plasmática,
Bioquímica sérica sistemática con iones
Gasometría venosa.
MicroRNAs en suero: microRNA101*, microRNA126* y microRNA127*.
Concentraciones urinarias de: NGAL*, KIM-1*, NAG*, t-gelsolina*, GM2AP*, y creatinina para homogenización de los valores de los distintos biomarcadores.
Asimismo se medirá sodio, pH, microalbuminuria y proteínas en una muestra de orina. |
|
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 | Yes |
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 | 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 | Yes |
E.8.1.1 | Randomised | Yes |
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 | Yes |
E.8.2.3.1 | Comparator description |
complemento nutricional: sal común (cloruro sódico) |
nutritional supplement: salt (sodium chloride). |
|
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
|
the last visit of the last subject |
La última visita del último paciente incluido |
|
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 | 0 |
E.8.9.1 | In the Member State concerned days | 0 |