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Assessment of Novel MRI Quantification Free Breathing Technique in Evaluation of Liver Lesions

29 juin 2022 mis à jour par: Case Comprehensive Cancer Center
The primary objective of this study is to develop and validate simultaneous free-breathing 4D fat and water quantification and quantitative dynamic contrast enhanced perfusion in the liver. Secondary aims include developing and validating free breathing quantification of relaxation parameters T1 and T2, and developing and validating a minimal breath-hold (< 8 s) high quality diffusion exam using highly accelerated steady state diffusion imaging sequences. Investigators aim to scan 100 subjects receiving liver biopsies as a part of their standard care and another 70 subjects with known benign lesions. The study is greater than minimal risk.

Aperçu de l'étude

Statut

Complété

Description détaillée

The investigators hypothesize that a quantitative and near free-breathing MRI approach with Hepatocellular carcinoma (HCC) patients will lead to improved tissue characterization, resulting in fewer ambiguous readings and thus fewer biopsies. As each component of the proposed methodology has been experimentally validated in the investigators preliminary work, the next appropriate step would be to evaluate the clinical feasibility of the exam. The investigators goal is to test the ability of quantitative MRI techniques to provide high quality images of the liver and to differentiate liver lesions from one another in a time frame shorter than a current clinical exam.

Type d'étude

Interventionnel

Inscription (Réel)

52

Phase

  • N'est pas applicable

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Lieux d'étude

    • Ohio
      • Cleveland, Ohio, États-Unis, 44106
        • University Hospitals Cleveland Medical Center, Case Comprehensive Cancer Center

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

18 ans à 100 ans (Adulte, Adulte plus âgé)

Accepte les volontaires sains

Non

Sexes éligibles pour l'étude

Tout

La description

Inclusion Criteria:

  • No contraindications to getting contrast enhanced MRI examinations.
  • GFR ≥ 40.

Exclusion Criteria:

  • Patients with ferromagnetic or otherwise non-MRI compatible aneurysm clips.
  • The presence of an implanted pacemaker or implanted defibrillator device
  • Patients with contraindications for MRI due to embedded foreign metallic objects. Bullets, shrapnel, metalwork fragments, or other metallic material adds unnecessary risk to the patient.
  • Pregnancy. Regular clinical practice already excludes pregnant patients from gadolinium contrast due to unknown effects on the fetus. The current clinical practice will be applied - patients will be verbally screened and asked if they think they could be pregnant. If the answer is yes, then the patient will be excluded from the study. If the patient is uncertain about the pregnancy status, she will be given an option to undergo a pregnancy test or not participate in the study altogether. Patients who self report that they are not pregnant will be allowed to participate in the study. This procedure is based on current department policy guidelines.
  • Implanted medical device not described above that is not MRI-compatible;
  • Known history of claustrophobia;
  • Known history of allergic reaction to Magnetic Resonance contrast material;
  • Late stage renal failure with estimated glomerular filtration rate (eGFR) of less than 30 mL/min/1.73 m2 based on patient's serum creatinine due to the significantly increased risk of nephrogenic systemic fibrosis (NSF). ('Past' 3 months timeframe will be used to calculate the eGRF).
  • Minors will be excluded.
  • Prisoners and members of other vulnerable populations will be excluded from this study. The subject selection population will not regularly include prisoners and other vulnerable population members as these populations will not provide any additional unique information to or uniquely benefit from the study. Non-english speaking population will be excluded from the study due to lack of sufficient resources to pay for translator and interpreter services.

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Diagnostique
  • Répartition: Non randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Aucun (étiquette ouverte)

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: HCC or metastatic Liver Lesions
Patients with HCC or metastatic liver lesions who are refered to the abdominal imaging and biopsy clinic will have a liver biopsy performed. 3-5 days after a clinical MRI indicating a cancerous lesion, patients will return for the free-breathing MRI and a liver biopsy. These images will be compared to the clinical MRI and to images of the benign lesions.
patients with HCC or metastatic lesions will have a liver biopsy performed after the experimental MRI. This biopsy will be examined to confirm the imaging results
All patients will be asked to come in for an MRI scan using techniques developed which minimize the time a patient has to hold their breath to image the liver to <8 seconds and validate quantifiable techniques which improve liver image quality
Autres noms:
  • experimental MRI
Comparateur actif: Benign Liver Lesion
Patients with benign liver lesions will be referred to the study team. 3-5 days after a clinical MRI an experimental, free-breathing MRI will be performed on these patients. The results will be compared to their clinical MRI images and to images of HCC or metastatic lesions
All patients will be asked to come in for an MRI scan using techniques developed which minimize the time a patient has to hold their breath to image the liver to <8 seconds and validate quantifiable techniques which improve liver image quality
Autres noms:
  • experimental MRI

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Arterial Fraction
Délai: 1 day, At time of Research MRI

Dynamic Contrast Enhanced MRI data were used to calculate three quantitative perfusion properties using a dual input, single tissue compartment model of gadolinium based contrast agents in the liver in HCC, metastatic, and benign lesions.

One of these quantitative perfusion properties is Mean Arterial fraction, which is the proportion of blood flow derived from hepatic artery.

1 day, At time of Research MRI
Distribution Volume (DV)
Délai: 1 day, At time of Research MRI

Dynamic Contrast Enhanced MRI data were used to calculate three quantitative perfusion properties using a dual input, single tissue compartment model of gadolinium based contrast agents in the liver in HCC, metastatic, and benign lesions.

One of these quantitative perfusion properties is DV. DV corresponds to the volume of extracellular, extravascular space in a tissue which is a measure of the tissue cellularity

1 day, At time of Research MRI
Mean Transit Time (MTT)
Délai: 1 day, At time of Research MRI

Dynamic Contrast Enhanced MRI data were used to calculate three quantitative perfusion properties using a dual input, single tissue compartment model of gadolinium based contrast agents in the liver in HCC, metastatic, and benign lesions.

One of these quantitative perfusion properties is MTT. MTT corresponds to the average time, in seconds, that red blood cells spend within a determinate volume of capillary circulation

1 day, At time of Research MRI

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Free Breathing Quantification of Relaxation Parameters
Délai: Up to 1 year
Quantified and validated relaxation parameters when creating T1 (spin-lattice) and T2 (spin-spin) weighted images
Up to 1 year
Minimal Breathhold Time
Délai: 1 year
The minimum time (in seconds) a patient must hold their breath to produce quality liver images during an MRI. Developing and validating a minimal breath-hold (< 8 s) high quality diffusion exam using highly accelerated steady state diffusion imaging sequences.
1 year

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Les enquêteurs

  • Chercheur principal: Vikas Gulani, MD, Case Comprehensive Cancer Center

Publications et liens utiles

La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude

1 décembre 2013

Achèvement primaire (Réel)

3 décembre 2019

Achèvement de l'étude (Réel)

3 décembre 2019

Dates d'inscription aux études

Première soumission

20 mars 2014

Première soumission répondant aux critères de contrôle qualité

24 mars 2014

Première publication (Estimation)

26 mars 2014

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

30 juin 2022

Dernière mise à jour soumise répondant aux critères de contrôle qualité

29 juin 2022

Dernière vérification

1 juin 2022

Plus d'information

Termes liés à cette étude

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

Oui

produit fabriqué et exporté des États-Unis.

Non

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