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It was determined that the trial could stop early due to surpassing the feasibility rate.
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The goal of pilot study is to assess the feasibility of FDG-PET/MRI for monitoring rectal cancer disease status in the setting of rectal cancer non-operative management (NOM). Data from this study will be used to guide the design of future clinical trials involving FDG-PET/MRI for rectal cancer NOM.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| FDG PET/MRI | Experimental | -Patients will undergo FDG-PET/MRI in lieu of the standard pelvic MRI at up to 6 time-points at which it would normally be performed in their care for the period of time extending 30-36 months from the time of enrollment (depending on enrollment point). In the surveillance period, when patients typically undergo pelvic MRI every 3 months, the FDG-PET/MRI will be done in lieu of the standard pelvic MRI on an approximately every-other-scan basis. In other words, the FDG-PET/MRI will occur roughly once every 6 months. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| FDG PET/MRI | Device | -All patients will undergo a simultaneous list mode PET and MR acquisition beginning 55-65 minutes after administration of FDG according to a standard weight-based scale. |
| Measure | Description | Time Frame |
|---|---|---|
| Technical Feasibility of PET/MRI as Measured by the Completion of the Study With Acceptable Image Quality in ≥70% of Scans | -For patients imaged at multiple time points after enrollment, all available PET/MRIs will be included in the feasibility analysis. Patients able to remain on the scanner for the full duration of the planned data acquisition without any serious adverse events will be considered to have completed the PET/MRI rectal cancer protocol. Image quality will be assessed by the Principal Investigator on review at a dedicated workstation with specialized PET/MR software. A standardized Likert-based scoring scheme will be utilized to capture subjective assessments of image contrast (1 = worst; 5 = best), image resolution (1 = worst; 5 = best), and image artifact 'freeness' (1 = worst; 5 = best). Image sets scoring ≥ 3 in all three categories will be considered of acceptable quality. | Up to 12 months after completion of enrollment of all patients (26 months) |
| Measure | Description | Time Frame |
|---|---|---|
| Percentage of Scans With Changes in Perceived Disease Status as Measured by PET/MRI Tumor Regression Grade Relative to the Conventional MRI Only Tumor Regression Grade |
|
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Tyler Fraum, M.D. | Washington University School of Medicine | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Washington University School of Medicine | St Louis | Missouri | 63110 | United States |
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| Label | URL |
|---|---|
| Alvin J. Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine | View source |
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| ID | Title | Description |
|---|---|---|
| FG000 | FDG PET/MRI | -Patients will undergo FDG-PET/MRI in lieu of the standard pelvic MRI at up to 6 time-points at which it would normally be performed in their care for the period of time extending 30-36 months from the time of enrollment (depending on enrollment point). In the surveillance period, when patients typically undergo pelvic MRI every 3 months, the FDG-PET/MRI will be done in lieu of the standard pelvic MRI on an approximately every-other-scan basis. In other words, the FDG-PET/MRI will occur roughly once every 6 months. |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
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| ID | Title | Description |
|---|---|---|
| BG000 | FDG PET/MRI | -Patients will undergo FDG-PET/MRI in lieu of the standard pelvic MRI at up to 6 time-points at which it would normally be performed in their care for the period of time extending 30-36 months from the time of enrollment (depending on enrollment point). In the surveillance period, when patients typically undergo pelvic MRI every 3 months, the FDG-PET/MRI will be done in lieu of the standard pelvic MRI on an approximately every-other-scan basis. In other words, the FDG-PET/MRI will occur roughly once every 6 months. |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Median |
| 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 | Technical Feasibility of PET/MRI as Measured by the Completion of the Study With Acceptable Image Quality in ≥70% of Scans | -For patients imaged at multiple time points after enrollment, all available PET/MRIs will be included in the feasibility analysis. Patients able to remain on the scanner for the full duration of the planned data acquisition without any serious adverse events will be considered to have completed the PET/MRI rectal cancer protocol. Image quality will be assessed by the Principal Investigator on review at a dedicated workstation with specialized PET/MR software. A standardized Likert-based scoring scheme will be utilized to capture subjective assessments of image contrast (1 = worst; 5 = best), image resolution (1 = worst; 5 = best), and image artifact 'freeness' (1 = worst; 5 = best). Image sets scoring ≥ 3 in all three categories will be considered of acceptable quality. | Posted | Number | percentage of scans that were acceptable | Up to 12 months after completion of enrollment of all patients (26 months) | PET/MRI scans | PET/MRI scans |
|
Adverse events were collected for a period of 24 hours following the administration of the radiotracer FDG.
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | FDG PET/MRI | -Patients will undergo FDG-PET/MRI in lieu of the standard pelvic MRI at up to 6 time-points at which it would normally be performed in their care for the period of time extending 30-36 months from the time of enrollment (depending on enrollment point). In the surveillance period, when patients typically undergo pelvic MRI every 3 months, the FDG-PET/MRI will be done in lieu of the standard pelvic MRI on an approximately every-other-scan basis. In other words, the FDG-PET/MRI will occur roughly once every 6 months. |
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| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Nausea | Gastrointestinal disorders | CTCAE (Unspecified) | Systematic Assessment |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Tyler Fraum, M.D. | Washington University School of Medicine | 314-362-2928 | tylerjfraum@wustl.edu |
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| 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 | Jul 14, 2020 | Dec 13, 2022 | Prot_SAP_000.pdf |
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| ID | Term |
|---|---|
| D012004 | Rectal Neoplasms |
| ID | Term |
|---|---|
| D015179 | Colorectal Neoplasms |
| D007414 | Intestinal Neoplasms |
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
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| Up to 12 months after completion of enrollment of all patients (26 months) |
| 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 | Number | participants |
|
| FDG PET/MRI |
-Patients will undergo FDG-PET/MRI in lieu of the standard pelvic MRI at up to 6 time-points at which it would normally be performed in their care for the period of time extending 30-36 months from the time of enrollment (depending on enrollment point). In the surveillance period, when patients typically undergo pelvic MRI every 3 months, the FDG-PET/MRI will be done in lieu of the standard pelvic MRI on an approximately every-other-scan basis. In other words, the FDG-PET/MRI will occur roughly once every 6 months. |
|
|
| Secondary | Percentage of Scans With Changes in Perceived Disease Status as Measured by PET/MRI Tumor Regression Grade Relative to the Conventional MRI Only Tumor Regression Grade |
| 7 participants were evaluable for this outcome measure as they were deemed to not be immediate surgical candidates and went on to receive total neoadjuvant therapy (TNT). | Posted | Number | percentage of scans | Up to 12 months after completion of enrollment of all patients (26 months) | PET/MRI scans | PET/MRI scans |
|
|
|
| 0 |
| 14 |
| 0 |
| 14 |
| 2 |
| 14 |
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| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D004066 | Digestive System Diseases |
| D005767 | Gastrointestinal Diseases |
| D007410 | Intestinal Diseases |
| D012002 | Rectal Diseases |