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Completed

NCT Number: NCT03996447

Efficacy and Safety of Gadopiclenol for Central Nervous System (CNS) Magnetic Resonance Imaging (MRI)

This trial aimed to evaluate the Efficacy and Safety of gadopiclenol for Central Nervous System (CNS) Magnetic Resonance Imaging (MRI)

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Key information

Conditions

CNS Lesion Blood Brain Barrier Defect

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

ZNA Middelheim, Antwerp, Belgium

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About this study

The purpose of this trial was to evaluate a new gadolinium-based contrast agent (GBCA) gadopiclenol injection for Central Nervous System (CNS) lesion detection and visualization by conventional steady-state CNS imaging.

This is a multi-center, international, prospective, double-blind, randomized, controlled, cross-over with comparator trial in male and female patients presenting with known or highly suspected CNS lesion(s) with focal areas of disrupted Blood Brain Barrier (BBB) (e.g., primary and secondary tumors) who are scheduled to undergo a routine contrast-enhanced Magnetic Resonance Imaging (MRI) of the CNS.

This trial was conducted in 33 centers worldwide.

During the course of the trial, two MRIs were obtained from each patient: one unenhanced and gadopiclenol-enhanced MRI; and one unenhanced and gadobutrol-enhanced MRI. MRI evaluations were performed by on-site investigators and three independent off-site blinded readers.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patient presenting with known or highly suspected CNS lesion(s) with focal areas of disrupted Blood Brain Barrier (BBB) (e.g., primary and secondary tumors) based on results of a previous imaging procedure such as Computed Tomography (CT) or MRI, which should have been performed within 12 months prior to ICF signature.

Exclusion criteria

  • Patient presenting with acute or chronic renal insufficiency, defined as an estimated Glomerular Filtration Rate (eGFR) < 30 mL/min/1.73 m² assessed within 1 day prior to each contrast agent injection
  • Patient presenting extra cranial lesions and/or extra-dural lesions.

Treatment and study plan

Gadopiclenol

Drug

single intravenous (IV) bolus injection at a rate of 2ml/second

Gadobutrol 1Mmol/mL Solution for Injection Vial

Drug

single intravenous (IV) bolus injection at a rate of 2ml/second

Primary outcomes

  1. Lesion Visualization Comparing Gadopiclenol-enhanced MRI to Unenhanced MRI

    Time frame: At first MRI examination (gadopiclenol-enhanced MRI) for patients of Arm 1. At second MRI examination (gadopiclenol-enhanced MRI) for patients of Arm 2, performed 2-14 days after gadobutrol-enhanced MRI.

    The lesion visualization (per patient) was based on 3 co-primary criteria on marching lesions: border delineation, internal morphology and degree of contrast enhancement, assessed on the images acquired during the MRI performed with gadopiclenol by 3 independent readers. The independent blinded reader recorded each of the 3 co-primary criteria for up to 3 most representative lesions, using a 4-point scale (1 = poor [internal morphology] or none [border delineation, contrast enhancement], 2 = moderate, 3 = good, 4 = excellent). The mean of scores for each patient and for each co-criterion was calculated as follows: Mean of scores = score of lesion 1 + score of lesion 2 (if any) + score of lesion 3 (if any) divided by the number of lesions, ranged from 1 to 4. The difference in mean scores on matching lesions between Paired [unenhanced and contrast-enhanced] images and Pre-contrast [unenhanced] images was calculated for each of the 3 co-primary criteria and for each reader.

Secondary outcomes

  1. Lesion Visualization Comparing Gadopiclenol-enhanced MRI to Gadobutrol-enhanced MRI

    Time frame: At each of two MRI examinations with an interval of 2-14 days between 2 MRI examinations

    The lesion visualization (per patient) was based on 3 co-primary criteria: border delineation, internal morphology and degree of contrast enhancement, assessed on the images performed with gadopiclenol and images performed with gadobutrol by 3 independent readers. The independent blinded reader recorded each of the 3 co-primary criteria for up to 3 most representative lesions, using a 4-point scale (1 = poor [internal morphology] or none [border delineation, contrast enhancement], 2 = moderate, 3 = good, 4 = excellent). The mean of scores for each patient and for each of the 3 lesion visualization co-criteria was calculated as follows: Mean of scores = score of lesion 1 + score of lesion 2 (if any) + score of lesion 3 (if any) divided by the number of lesions, ranged from 1 to 4. The difference in mean scores on matching lesions between gadopiclenol scores mean and gadobutrol scores mean was calculated for each of the 3 co-primary criteria and for each reader.

Sponsors and collaborators

Lead sponsor

Guerbet

Industry

Registry information

Acronym: PICTURE

Important dates

Study start
2019
Primary completion
2020
Study completion
2020
First posted
Jun 24, 2019
Registry last updated
Sep 22, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

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This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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