Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
The purpose of this study is to evaluate a single breath hold abdominal MRI protocol and compare the image quality of respiratory triggered 3D T1-weighted images against conventional breath hold images.
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Breath hold Liver Acquisition with Volume Acquisition (LAVA) | No Intervention | Subjects will undergo abdominal MRI with LAVA with conventional breath holds (typically four or more breath holds) per standard of care. | |
| Respiratory-triggered T1w DISCO LAVA | Active Comparator | The study will acquire extra image sets using DISCO LAVA with one breath hold during the arterial imaging phase. No additional breath holds will be required. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Respiratory-triggered T1w DISCO LAVA | Device | The study will acquire extra image sets using DISCO LAVA with one breath hold during the arterial imaging phase. No additional breath holds will be required.
|
| Measure | Description | Time Frame |
|---|---|---|
| Motion Artifact Scores | Three investigators will independently evaluate MRI examinations. They will assign motion scores between respiratory triggered and corresponding breath hold acquisitions. 1 = no motion artifact; 2 = minimal motion artifact, no effect on diagnostic quality; 3 = moderate motion artifact with some, but not severe, effect on diagnostic quality; 4 = severe motion artifact, images degraded but interpretable; and 5 = extensive motion artifact, images nondiagnostic. | During MRI, up to 60 minutes |
| Noise Scores | Three investigators will independently evaluate MRI examinations. They will assign noise scores between respiratory triggered and corresponding breath hold acquisitions. 1 = no noise artifact; 2 = minimal noise artifact, no effect on diagnostic quality; 3 = moderate noise artifact with some, but not severe, effect on diagnostic quality; 4 = severe noise artifact, images degraded but interpretable; and 5 = severe noise artifact, images nondiagnostic. | During MRI, up to 60 minutes |
Not provided
Not provided
Inclusion Criteria:
Exclusion Criteria:
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Name | Affiliation | Role |
|---|---|---|
| Mustafa R Bashir, MD | Duke University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| DukeUMC | Durham | North Carolina | 27710 | United States |
Subjects did not continue participation in the study if their scans were cancelled or rescheduled outside of their hospitalization. Twenty enrolled subjects fell into this category.
Not provided
Not provided
| ID | Title | Description |
|---|---|---|
| FG000 | Conventional Breath-held LAVA Then Respiratory Triggered Exams | All study subjects underwent an MRI exam including conventional breath-held LAVA imaging pre- and post-contrast, as well as respiratory-triggered DISCO imaging pre- and post-contrast |
| Title | Milestones | Reasons Not Completed | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
|
Participants who completed the study
Not provided
| ID | Title | Description |
|---|---|---|
| BG000 | All Subjects | All study subjects |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Motion Artifact Scores | Three investigators will independently evaluate MRI examinations. They will assign motion scores between respiratory triggered and corresponding breath hold acquisitions. 1 = no motion artifact; 2 = minimal motion artifact, no effect on diagnostic quality; 3 = moderate motion artifact with some, but not severe, effect on diagnostic quality; 4 = severe motion artifact, images degraded but interpretable; and 5 = extensive motion artifact, images nondiagnostic. | The same 25 subjects were used in both groups. | Posted | Mean | Standard Deviation | scores on a scale | During MRI, up to 60 minutes |
|
60 minutes
Not provided
Not provided
| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | All Subjects | All subjects who completed the study | 0 |
Not provided
Not provided
Not provided
| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Mustafa R. Bashir, M.D. | Duke University | 919-684-7366 | mustafa.bashir@duke.edu |
Not provided
| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | Apr 16, 2015 | May 1, 2018 | Prot_SAP_000.pdf |
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
|
| years |
|
| Sex: Female, Male | Count of Participants | Participants |
|
| Ethnicity (NIH/OMB) | Count of Participants | Participants |
|
| Race (NIH/OMB) | Count of Participants | Participants |
|
| Region of Enrollment | Count of Participants | Participants |
|
| OG001 | Respiratory-triggered T1w DISCO LAVA | The study will acquire extra image sets using DISCO LAVA with one breath hold during the arterial imaging phase. No additional breath holds will be required. Respiratory-triggered T1w DISCO LAVA: The study will acquire extra image sets using DISCO LAVA with one breath hold during the arterial imaging phase. No additional breath holds will be required.
|
|
|
|
| Primary | Noise Scores | Three investigators will independently evaluate MRI examinations. They will assign noise scores between respiratory triggered and corresponding breath hold acquisitions. 1 = no noise artifact; 2 = minimal noise artifact, no effect on diagnostic quality; 3 = moderate noise artifact with some, but not severe, effect on diagnostic quality; 4 = severe noise artifact, images degraded but interpretable; and 5 = severe noise artifact, images nondiagnostic. | The same 25 subjects were used for each group. | Posted | Mean | Standard Deviation | scores on a scale | During MRI, up to 60 minutes |
|
|
|
|
| 25 |
| 0 |
| 25 |
| 0 |
| 25 |
Not provided
Not provided
Not provided