E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Investigation of magnetic resonance enterography (MRE) with/without dye for evaluation of disease status in Crohn's disease |
Investigación de la enterografía por resonancia magnética con/sin contraste para la evaluación del estadío de la enfermedad de Crohn |
|
E.1.1.1 | Medical condition in easily understood language |
Investigation of magnetic resonance enterography (MRE) with/without dye for evaluation of disease status in Crohn's disease |
Investigación de la enterografía por resonancia magnética con/sin contraste para la evaluación del estadío de la enfermedad de Crohn |
|
E.1.1.2 | Therapeutic area | Analytical, Diagnostic and Therapeutic Techniques and Equipment [E] - Investigative Techniques [E05] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | HLGT |
E.1.2 | Classification code | 10017969 |
E.1.2 | Term | Gastrointestinal inflammatory conditions |
E.1.2 | System Organ Class | 10017947 - Gastrointestinal disorders |
|
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 estimate the test-retest reliability (precision) of MRE assessments of CD activity in the small bowel in a global setting |
Calcular la fiabilidad prueba-reprueba (precisión) de las evaluaciones por ERM de la actividad de la EC en el intestino delgado en un ámbito global. |
|
E.2.2 | Secondary objectives of the trial |
- To establish the correlation between MRE and ileocolonoscopy as an assessment of CD activity in the colon in a global setting
- To assess the impact of the use of colonic contrast on MRE assessment of CD activity in the colon
- To establish a standardized CD MRE technical protocol that is feasible to use in a global setting
- To confirm that high-quality MRE data can be obtained across six investigational sites |
- Establecer la correlación entre ERM e ileocolonoscopia como métodos de evaluación de la actividad de la EC en el colon en un ámbito global.
- Evaluar el efecto del uso de contraste colónico en la evaluación por ERM de la actividad de la EC en el colon.
- Establecer un protocolo técnico normalizado de ERM en la EC cuyo uso sea factible en un ámbito global.
- Confirmar que pueden obtenerse datos de ERM de alta calidad en seis centros de investigación. |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Signed Informed Consent Form
- Age >or= 18 years
- Confirmed histologic diagnosis of CD and a disease duration of >or= 12 weeks (after first diagnosis by a physician)
- Clinical indication for the performance of MRE, with or without contrast
- On a stable dose of medication for CD for a defined period of time prior
to study entry, as outlined below:
- Stable dose of 5-aminosalicylic acid preparations (oral or rectal)
for 4 weeks prior to Day 1
- Stable dose of corticosteroid medication (oral or rectal) for 2 weeks prior to Day 1
- Stable dose of immunosuppressive therapy (6-mercaptopurine,
azathioprine, or methotrexate) for 3 months prior to Day 1
- Stable dose of anti-TNF therapy for 8 weeks prior to Day 1
- CDAI score within pre-specified range
- Estimated GFR >or= 30-60 mL/min/1.73 m2, as estimated from serum
creatinine levels |
- Documento de consentimiento informado firmado.
- Edad >ó= 18 años.
- Diagnóstico de EC confirmado histológicamente y duración de la enfermedad >ó= 12 semanas (desde el diagnóstico por un médico).
- Indicación clínica para la realización de una ERM, con o sin contraste
- En tratamiento con una dosis estable de medicación para la EC durante un período de tiempo establecido antes de la entrada en el estudio, tal como se indica a continuación:
Preparados de ácido 5-aminosalicílico (por vía oral o rectal) en dosis estable durante las 4 semanas anteriores al día 1.
Corticosteroides (por vía oral o rectal) en dosis estable durante las 2 semanas anteriores al día 1.
Inmunosupresores (6-mercaptopurina, azatioprina, o metotrexato) en dosis estable durante los 3 meses anteriores al día 1.
Fármacos anti-TNF en dosis estable durante las 8 semanas anteriores al día 1.
- Puntuación CDAI dentro de los límites preestablecidos (véase la tabla 1).
- Tasa de FG estimada >ó= 30-60 ml/min/1,73 m2, calculada a partir de la concentración de creatinina sérica. |
|
E.4 | Principal exclusion criteria |
- Requirement for hospitalization due to severity of CD
- Inability to comply with study protocol
- Lack of peripheral venous access
- Contraindications to MRI, including non?MRI-compatible medical or dental implants, other ferromagnetic metal objects in the body, severe
claustrophobia, very large tattoos, inability to lie still in a supine position
for up to 40 minutes, or inability to meet local imaging site MRI eligibility
requirements based on safety screening procedures
- Pregnant or lactating
- Significant uncontrolled disease, such as cardiac, pulmonary, renal, hepatic, endocrine, neurological, gastrointestinal, or hematologic disorders, that would contraindicate an ileocolonoscopy or MRE scan
- Distal colonic strictures on ileocolonoscopy that prevent traverse of
the colonoscope
- History of severe allergic, anaphylactic, or other hypersensitivity reactions to imaging contrast agents
- Clear symptoms of bowel obstruction |
- Necesidad de hospitalización debido a la gravedad de la EC.
- Incapacidad para cumplir el protocolo del estudio.
- Acceso venoso periférico no disponible.
- Contraindicaciones para la RM, tales como implantes médicos o dentales no compatibles con la RM, otros objetos metálicos ferromagnéticos en el cuerpo, claustrofobia grave, tatuajes de tamaño muy grande, incapacidad para permanecer inmóvil en decúbito supino durante 40 minutos, o imposibilidad de cumplir los requisitos de elegibilidad para la RM del centro de imagen según los procedimientos de selección en relación con la seguridad.
- Embarazo o lactancia.
- Enfermedades importantes no controladas, tales como trastornos cardíacos, pulmonares, renales, hepáticos, endocrinos, neurológicos, digestivos o hematológicos, que supongan una contraindicación a la ileocolonoscopia o la ERM.
- Estenosis del colon distal que impidan el avance del colonoscopio durante la ileocolonoscopia.
- Antecedentes de reacciones graves alérgicas, anafilácticas o de hipersensibilidad a los medios de contraste.
- Síntomas claros de obstrucción intestinal. |
|
E.5 End points |
E.5.1 | Primary end point(s) |
The outcome measures for this study are as follows:
- MRE-derived MaRIA scores from small bowel and colon segments
- Compliance with the MRE technical protocol for patient preparation and scanning, as specified in the imaging review charter
- MRE image quality, as specified in the imaging review charter
- Ileocolonoscopy-derived CDEIS score and SES CD
- CDAI score
- Serum or plasma biomarkers, including but not limited to C-reactive protein |
En este estudio, los criterios de valoración son los siguientes:
- Puntuaciones MaRIA basadas en la ERM de segmentos del intestino delgado y el colon.
- Cumplimiento del protocolo técnico de ERM en cuanto a la preparación y la exploración del paciente, con arreglo a lo establecido en el estatuto de revisión de los estudios de imagen.
- Calidad de las imágenes de ERM, según se especifica en el estatuto de revisión de los estudios de imagen.
- Puntuación CDEIS basada en la ileocolonoscopia y puntuación SES EC.
- Puntuación CDAI
- Biomarcadores séricos o plasmáticos, incluyendo, entre otros, la proteína C reactiva. |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
As Necessary |
Según sea necesario |
|
E.5.2 | Secondary end point(s) |
|
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 | 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 | Yes |
E.6.13.1 | Other scope of the trial description |
CHARACTERIZATION OF MAGNETIC RESONANCE ENTEROGRAPHY
ASSAYS FOR ASSESSMENT OF CROHN`S DISEASE |
Caracterización de la enterografía por resonancia magnética para la evaluación de la enfermedad de Crohn |
|
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 | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | No |
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
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.4.1 | Number of sites anticipated in Member State concerned | 1 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 3 |
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 |
France |
Spain |
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
|
Study completion will occur 48 hours after the final MRE scan is performed. |
La finalización del estudio será 48 horas después de realizar la última exploración de ERM. |
|
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 | 5 |
E.8.9.1 | In the Member State concerned days | 15 |
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 | 5 |
E.8.9.2 | In all countries concerned by the trial days | 15 |