Hyperpolarized 13C-pyruvate Metabolic MRI With Traumatic Brain Injury

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

15 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-10-26

Study Completion Date

2027-11-26

Brief Summary

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The purpose of this study is to examine the safety and feasibility of using hyperpolarized metabolic MRI to study early brain metabolism changes in subjects presenting with head injury and suspected non-penetrating traumatic brain injury (TBI). This study will also compare HP pyruvate MRI-derived metrics in TBI patients with healthy subjects as well as Subarachnoid hemorrhage (SAH) patients to better understand if metabolic Magnetic resonance imaging scan (MRI) can improve our ability to diagnose a TBI.

The FDA is allowing the use of hyperpolarized \[1-13C\] pyruvate (HP 13C-pyruvate) in this study.

Up to 15 patients (5 with TBI, 5 with SAH, and 5 healthy volunteers) may take part in this study at the University of Maryland, Baltimore (UMB).

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Detailed Description

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Conditions

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Traumatic Brain Injury Subarachnoid Hemorrhage

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Metabolic MRI in traumatic brain injury patients

Perform metabolic magnetic resonance imaging on patients who have traumatic brain injury to understand early brain metabolism changes in this population

Group Type EXPERIMENTAL

Hyperpolarized 13C-Pyruvate

Intervention Type DRUG

Hyperpolarized Pyruvate (13C) Injection, containing spin-polarized ("hyperpolarized") \[13C\]pyruvate, is being studied as a diagnostic agent in combination with 13C spectroscopic MR imaging. The aim is to visualize \[13C\]pyruvate and its metabolites and thereby distinguish between anatomical areas with normal vs. abnormal metabolism, which should be useful in diagnosing and characterizing, for example, traumatic brain injury.

Hyperpolarized Pyruvate (13C) Injection and \[13C\]pyruvate are general terms used throughout this brochure, which refer to all 13C labeling patterns, such as \[1- 13C\]pyruvate, \[2- 13C\]pyruvate and \[1,2- 13C\]pyruvate. From biological and safety standpoints, pyruvate with each of the labeling patterns behaves identically in the human body \[Koletzko et al., 1997\].

Metabolic MRI in subarachnoid hemorrhage patients

Perform metabolic magnetic resonance imaging on patients who have subarachnoid hemorrhage to understand early brain metabolism changes in this population

Group Type EXPERIMENTAL

Hyperpolarized 13C-Pyruvate

Intervention Type DRUG

Hyperpolarized Pyruvate (13C) Injection, containing spin-polarized ("hyperpolarized") \[13C\]pyruvate, is being studied as a diagnostic agent in combination with 13C spectroscopic MR imaging. The aim is to visualize \[13C\]pyruvate and its metabolites and thereby distinguish between anatomical areas with normal vs. abnormal metabolism, which should be useful in diagnosing and characterizing, for example, traumatic brain injury.

Hyperpolarized Pyruvate (13C) Injection and \[13C\]pyruvate are general terms used throughout this brochure, which refer to all 13C labeling patterns, such as \[1- 13C\]pyruvate, \[2- 13C\]pyruvate and \[1,2- 13C\]pyruvate. From biological and safety standpoints, pyruvate with each of the labeling patterns behaves identically in the human body \[Koletzko et al., 1997\].

Metabolic MRI in healthy volunteers

Perform metabolic magnetic resonance imaging on healthy volunteers to understand early brain metabolism changes in this population

Group Type EXPERIMENTAL

Hyperpolarized 13C-Pyruvate

Intervention Type DRUG

Hyperpolarized Pyruvate (13C) Injection, containing spin-polarized ("hyperpolarized") \[13C\]pyruvate, is being studied as a diagnostic agent in combination with 13C spectroscopic MR imaging. The aim is to visualize \[13C\]pyruvate and its metabolites and thereby distinguish between anatomical areas with normal vs. abnormal metabolism, which should be useful in diagnosing and characterizing, for example, traumatic brain injury.

Hyperpolarized Pyruvate (13C) Injection and \[13C\]pyruvate are general terms used throughout this brochure, which refer to all 13C labeling patterns, such as \[1- 13C\]pyruvate, \[2- 13C\]pyruvate and \[1,2- 13C\]pyruvate. From biological and safety standpoints, pyruvate with each of the labeling patterns behaves identically in the human body \[Koletzko et al., 1997\].

Interventions

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