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The purpose of this study is to assess the performance and safety of Biology-Guided Radiotherapy (BgRT) using the RefleXion Medical Radiotherapy System (RMRS) via optimizing F18-Fluorodeoxyglucose (FDG) dosing, assessing the performance of the Positron Emission Tomography (PET) imaging subsystem for BgRT treatment planning and delivery, including its role as an interlock, and validating the dose delivery performance of the end-to-end BgRT workflow.
The performance and safety of BgRT using the RMRS will be studied by to sequential cohorts of patients with one targetable metastatic lesion in either the lungs or bone. Patients with multiple metastases can be accrued, but these investigations will focus on only one lesion per patient.
Cohort I will seek to identify the Recommended RefleXion FDG dose (RRFD), which is the dose of administered FDG - within a range concordant with the American College of Radiology and Society of Pediatric Radiology Practice Parameter for Performing PET/CT in Oncology (ACR-SPR Practice Parameter) - that allows for functioning of the RefleXion system. Keeping ALARA ("As Low As Reasonable Achievable") principles in mind, this phase of the investigation seeks to optimize the balance between minimizing patient exposure to the radiotracer and achieving satisfactory performance of the RMRS PET subsystem for BgRT. This cohort will also seek to assess RMRS PET imaging performance in comparison to a third-party diagnostic PET/CT.
To that end, dose levels of 15 mCi and 20 mCi (if required) will be assessed sequentially in an escalation protocol. Patients with at least one known FDG avid tumor in the bone or lung will be enrolled into this cohort. These patients will undergo a CT simulation in an acceptable radiotherapy treatment position and with immobilization devices as needed. After acquisition of CT images, contours for targets, OARs, and BTZ will be generated by the investigator. Next, the patient will undergo back-to-back PET scans on the RefleXion device and a third-party diagnostic PET/CT device after a single injection of FDG at the studied FDG dose level. Quantitative metrics will be collected for each lesion in order to assess the performance of the RMRS PET subsystem at that dose. Up to 12 participant will be enrolled in Cohort I. Actual delivery of radiotherapy to the patient is not part of this investigation.
The chief objective of Cohort II is to confirm that the machine-deliverable fluence generated by applying the BgRT firing filter to PET LTS images obtained at the time of a radiotherapy delivery does in fact result in an anatomic dose distribution that is consistent with the approved BgRT plan. A secondary objective is to extend this analysis by also confirming that the linear accelerator subsystem hardware is able to deliver the received machine instructions. Importantly, this investigation comprehensively emulates and assesses (without actually delivering the radiation therapy to the patient) the entire end-to-end BgRT workflow from simulation to treatment planning to, finally, dose delivery. This design also provides an opportunity to assess imaging, workflow, and the toxicity, if any, associated with multiple administrations of FDG.
To do this, up to 22 subjects dispositioned to undergo conventional SBRT for a single bone tumor or a single lung tumor will be enrolled. As noted previously, patients with multiple metastases can be accrued but the investigation will focus only one targeted lesion per patient. For each patient, RMRS PET collections will be added to the SBRT workflow at 3 timepoints representing the steps when the RMRS PET subsystem would be utilized during the BgRT workflow. Specifically, these timepoints will include a RMRS PET imaging-only session prior to the start of SBRT delivery that will be used to create a BgRT plan as well as RMRS PET collections before the first and final fractions of their planned course of SBRT. A single comparison third-party diagnostic PET/CT image will also be obtained on the day of the final fraction.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Cohort I: RRFD Cohort | Experimental | Cohort I seeks to identify the Recommended RefleXion FDG dose (RRFD), which is the dose of administered FDG that allows for functioning of the RefleXion system. This phase of the investigation seeks to optimize the balance between minimizing patient exposure to the radiotracer and achieving satisfactory performance of the RMRS PET subsystem for BgRT. The dose levels of 15 mCi and 20 mCi (if required) will be assessed sequentially in an escalation protocol. To determine the RRFD, a modified 3+3 design will be utilized wherein meeting the Activity Concentration threshold - not dose-limiting toxicity as is typically used - will be the relevant criteria for escalating from one dose to the next. Up to 12 participants will be enrolled in Cohort I, and will undergo one RMRS imaging session and one third-party Positron Emission Tomography (PET) /CT imaging session. |
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| Cohort II: Emulated Delivery Cohort | Experimental | After the RRFD is determined by Cohort I, Cohort II enrollment will start enrollment. Cohort II seeks to determine whether BgRT dose distributions generated from Limited Time Sample (LTS) RMRS PET images obtained at the time of treatment delivery are consistent with the approved BgRT plan. To achieve this objective, RMRS PET scans will be added to the SBRT workflow at timepoints representing some of the instances when the RMRS PET subsystem would be utilized during a BgRT workflow. Specifically, subjects will undergo RMRS PET collections at the time of planning, and then before the first and final fractions of their planned course of SBRT treatment. Up to 22 participants will be enrolled in Cohort II, and will undergo three RMRS imaging sessions and one third-party Positron Emission Tomography (PET) /CT imaging session. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| RMRS IDE Device | Device | Participants will be injected with FDG at the studied dose and will undergo imaging sessions using the RMRS IDE device and a third-party Positron Emission Tomography (PET)/CT imaging device. |
| Measure | Description | Time Frame |
|---|---|---|
| Cohort I Recommended RefleXion FDG Dose (RRFD) to Enable the Use of BgRT Planning. | The primary endpoint determined the number of cases that received the lowest FDG dose of 15 mCi, completed the RMRS image session and established an adequate target activity concentration to enable Biology guided Radiotherapy planning. The starting dose was 15mCi which was determined based upon preliminary physics studies done prior to this study. A FDG dose escalation to 20 mCi was not required. | During the RMRS imaging session |
| Cohort II: Delivery Emulation | The number of scans/fractions where the emulated BgRT dose distribution in a phantom was consistent with the BgRT treatment plan (i.e., 95% of DVH Delivered points for the BTZ and OAR fall within bounded DVH of the approved BgRT plan). There were 9 first fractions and 8 last fractions that were analyzed. | After SBRT First Fraction (standard of care) and after SBRT Last Fraction (standard of care) |
| Measure | Description | Time Frame |
|---|---|---|
| Cohort I: Endpoint 1 Percent Agreement Between SI and AS for BgRT PET Imaging-only Session | This endpoint evaluated percent of cases where there was an agreement between the site investigator SI and an Agreement Standard (AS) for the PET modeling localization decision. Six image comparisons were performed. | Immediately after RMRS imaging session |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Daniel Chang, MD | Stanford University | Principal Investigator |
| Aurelie Garant, MD | University of Texas Southwestern Medical Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Stanford University | Stanford | California | 94305 | United States | ||
| UT Southwestern |
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| ID | Title | Description |
|---|---|---|
| FG000 | Cohort I: Recommended RefleXion FDG Dose (RRFD) Cohort | Cohort I: Each participant (5 participants with bone tumor and 3 participants with lung tumor) underwent a CT simulation, then received a single injection of 15 mCi of FDG then underwent back-to-back RefleXion PET Imaging-Only session and third-party diagnostic PET/CT device. Each participant was then followed up at 72±24 hours after the imaging-only session. |
| Title | Milestones | Reasons Not Completed | |||||
|---|---|---|---|---|---|---|---|
| Overall Study |
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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 | Aug 23, 2021 |
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This is an open-label, prospective study. The study is divided into two sequential cohorts of patients with one targetable primary or metastatic lesion in either the lungs or bone. Patients with multiple metastases can be accrued, but these investigations will focus on only one lesion per patient.
Cohort I seeks to identify the Recommended RefleXion FDG dose (RRFD), which is the dose of administered FDG that allows for functioning of the RefleXion system. To that end, dose levels of 15 mCi and 20 mCi (if required) are assessed sequentially in an escalation protocol.
The RRFD identified in Cohort I is utilized in Cohort II, to emulate and assess the dose delivery performance of the end-to-end BgRT workflow.
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| Cohort I Endpoint 2: Percent of Cases X1 PET vs. Third-party Diagnostic PET/CT Image Comparison | This endpoint evaluated Percent of cases where there was concordance of the positive "plan proceed" decision between the BgRT PET Imaging-only session and a third-party diagnostic PET/CT. | Immediately after RMRS imaging session |
| Cohort I Endpoint 3: Biology Guided Radiotherapy (BgRT) Plan Generation | Secondary Endpoint 3 evaluated the percent of cases where X1 PET images generated an Acceptable BgRT plan. | Immediately after RMRS imaging session |
| Cohort I Endpoint 4: Percent of Cases Where the Intended Dose Distribution of BgRT Plan Was Achieved in the Physical Phantom. | Secondary Endpoint 4 determined the percent of cases where the generated BgRT plan achieved acceptable quality assurance metrics in a physical phantom. | Immediately after RMRS imaging session |
| Cohort II Endpoint 1 Percent of Fractions With Concordance Between Physical and Digital Phantoms | Number of fractions where there is concordance between the physical and digital phantoms of emulated BgRT delivery derived from human subject PET emissions. Concordance is defined as a standard gamma index with a goal that 90% of pixels meet the 3mm/3% deviation standard. | Assessed after SBRT First Fraction (standard of care) and after SBRT Last Fraction (standard of care), reported after SBRT Last Fraction. |
| Cohort II Endpoint 2 Localization Decision | Number of Pre-scan images where there is agreement between a site investigator and the agreement standard for the BgRT PET PreScan localization decision (overall percent agreement). Positive percent agreement and negative percent agreement will also be reported. | Assessed After PET Pre-Scan 1 and after PET Pre-Scan 2, reported after PET Pre-Scan 2. |
| Cohort II Endpoint 3 Image Concordance (Cohort II) | Number of Scans where there is concordance of a positive localization decision between the short-duration PET PreScan and a third-party diagnostic PET/CT scan (positive percent agreement). Overall percent agreement and negative percent agreement will also be reported. | Assessed after Last fraction Imaging-only PET scan and Third-party PET/CT scan and reported after Third-party PET/CT scan. |
| Cohort II Endpoint 4 Toxicity Related to FDG Administrations | Number of Participants who experienced AEs related to bladder and bone marrow assessed by complete blood count, urinalysis and AEs specific to bladder and bone marrow determined by Common Terminology Criteria for Adverse Events (CTCAE) v5 at 72±24 hours after final FDG injection. | Assessed at 72±24 hours after final FDG injection |
| Cohort II Endpoint 5 Workflow Characterization | Workflow characterization by
| a. Immediately after RMRS imaging-Only sessions b. After acceptable BgRT plan generation c. During BgRT physics Quality Assurance |
| Cohort II Endpoint 5d Workflow Characterization: PET Evaluations That Elicited a "Pass" Signal | Number of PET Pre-Scans on the Day of Fraction Delivery that Elicited a "Pass" Signal Fraction Delivery. | Assessed after PET Pre-Scan 1 prior to First Fraction delivery and after PET Pre-Scan 2 prior to Last Fraction delivery, reported after PET Pre-Scan 2 prior to Last Fraction. |
| Dallas |
| Texas |
| 75390 |
| United States |
| FG001 | Cohort II: Delivery Emulation Cohort | Cohort II: The RRFD was determined in Cohort 1 as 15 mCi, after which enrollment began for Cohort II. In Cohort II each participant, (4 with bone tumor and 5 with lung tumor), underwent RefleXion PET image only sessions at three different timepoints. Each participant received a FDG injection of 15 mCi, prior to each image acquisition timepoint: The timepoints were as follows: 1. At the time of enrollment: RefleXion PET image-only 2: At SBRT First Fraction (Standard of Care): RefleXion PET Prescan #1 3: At SBRT Last Fraction (Standard of Care): RefleXion PET Prescan #2 plus a Third-party PET/Scan. The participants were then followed-up at 72 ± 24 hours after final FDG injection. |
| Enrolled (Received FDG Injection) |
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| COMPLETED |
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| NOT COMPLETED |
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| ID | Title | Description |
|---|---|---|
| BG000 | Cohort I: Recommended RefleXion FDG Dose (RRFD) Cohort | Cohort I: Each participant (5 participants with bone tumor and 3 participants with lung tumor) underwent a CT simulation, then received a single injection of 15 mCi of FDG then underwent back-to-back RefleXion PET Imaging-Only session and third-party diagnostic PET/CT device. Each participant was then followed up at 72±24 hours after the imaging-only session. |
| BG001 | Cohort II: Delivery Emulation Cohort | Cohort II: The RRFD was determined in Cohort 1 as 15 mCi, aftter which enrollment began for Cohort II. In Cohort II each participant, (4 with bone tumor and 5 with lung tumor), underwent RefleXion PET image-only sessions at three different timepoints. Each participant received a FDG injection of 15 mCi, prior to each image acquisition: The timepoints were as follows: 1. At the time of enrollment: RefleXion PET image-only 2: At SBRT First Fraction (Standard of Care): RefleXion PET Prescan #1 3: At SBRT Last Fraction (Standard of Care): RefleXion PET Prescan #2 plus a Third-party PET/Scan. The participants were then followed-up at 72 ± 24 hours after final FDG injection. |
| BG002 | Total | Total of all reporting groups |
| Units | Counts |
|---|---|
| Participants |
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| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age, Categorical | Count of Participants | Participants |
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| Age, Continuous | Median | Full Range | years |
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| Sex: Female, Male | Count of Participants | Participants |
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| Ethnicity (NIH/OMB) | Count of Participants | Participants |
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| Race (NIH/OMB) | Count of Participants | Participants |
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| 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 | Cohort I Recommended RefleXion FDG Dose (RRFD) to Enable the Use of BgRT Planning. | The primary endpoint determined the number of cases that received the lowest FDG dose of 15 mCi, completed the RMRS image session and established an adequate target activity concentration to enable Biology guided Radiotherapy planning. The starting dose was 15mCi which was determined based upon preliminary physics studies done prior to this study. A FDG dose escalation to 20 mCi was not required. | The number of patients that received 15 mCi FDG dose and completed the RMRS image session. | Posted | Count of Participants | Participants | During the RMRS imaging session |
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| Primary | Cohort II: Delivery Emulation | The number of scans/fractions where the emulated BgRT dose distribution in a phantom was consistent with the BgRT treatment plan (i.e., 95% of DVH Delivered points for the BTZ and OAR fall within bounded DVH of the approved BgRT plan). There were 9 first fractions and 8 last fractions that were analyzed. | Cohort II - Emulated Delivery population evaluable scans | Posted | Count of Units | Evaluable Fractions | After SBRT First Fraction (standard of care) and after SBRT Last Fraction (standard of care) | Evaluable Fractions | Evaluable Fractions |
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| Secondary | Cohort I: Endpoint 1 Percent Agreement Between SI and AS for BgRT PET Imaging-only Session | This endpoint evaluated percent of cases where there was an agreement between the site investigator SI and an Agreement Standard (AS) for the PET modeling localization decision. Six image comparisons were performed. | The number of participants that received 15 mCi FDG dose injection and completed the RMRS image session. | Posted | Count of Participants | Participants | Immediately after RMRS imaging session |
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| Secondary | Cohort I Endpoint 2: Percent of Cases X1 PET vs. Third-party Diagnostic PET/CT Image Comparison | This endpoint evaluated Percent of cases where there was concordance of the positive "plan proceed" decision between the BgRT PET Imaging-only session and a third-party diagnostic PET/CT. | Posted | Count of Participants | Participants | Immediately after RMRS imaging session |
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| Secondary | Cohort I Endpoint 3: Biology Guided Radiotherapy (BgRT) Plan Generation | Secondary Endpoint 3 evaluated the percent of cases where X1 PET images generated an Acceptable BgRT plan. | Posted | Count of Participants | Participants | Immediately after RMRS imaging session |
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| Secondary | Cohort I Endpoint 4: Percent of Cases Where the Intended Dose Distribution of BgRT Plan Was Achieved in the Physical Phantom. | Secondary Endpoint 4 determined the percent of cases where the generated BgRT plan achieved acceptable quality assurance metrics in a physical phantom. | Posted | Count of Participants | Participants | Immediately after RMRS imaging session |
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| Secondary | Cohort II Endpoint 1 Percent of Fractions With Concordance Between Physical and Digital Phantoms | Number of fractions where there is concordance between the physical and digital phantoms of emulated BgRT delivery derived from human subject PET emissions. Concordance is defined as a standard gamma index with a goal that 90% of pixels meet the 3mm/3% deviation standard. | 17 scans for nine (9) subjects were used to measure the percent of fraction concordance between physical and digital phantoms of emulated BgRT delivery | Posted | Count of Units | Fractions | Assessed after SBRT First Fraction (standard of care) and after SBRT Last Fraction (standard of care), reported after SBRT Last Fraction. | Fractions | Fractions |
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| Secondary | Cohort II Endpoint 2 Localization Decision | Number of Pre-scan images where there is agreement between a site investigator and the agreement standard for the BgRT PET PreScan localization decision (overall percent agreement). Positive percent agreement and negative percent agreement will also be reported. | Cohort II Inter-observer agreement for Localization decision on RMRS PET Pre-Scan image | Posted | Count of Units | PET Pre-Scan Image | Assessed After PET Pre-Scan 1 and after PET Pre-Scan 2, reported after PET Pre-Scan 2. | PET Pre-Scan Image | PET Pre-Scan Image |
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| Secondary | Cohort II Endpoint 3 Image Concordance (Cohort II) | Number of Scans where there is concordance of a positive localization decision between the short-duration PET PreScan and a third-party diagnostic PET/CT scan (positive percent agreement). Overall percent agreement and negative percent agreement will also be reported. | Comparison of short-duration PET CRR01 vs. Third-party Pet/CT | Posted | Count of Units | Scans | Assessed after Last fraction Imaging-only PET scan and Third-party PET/CT scan and reported after Third-party PET/CT scan. | Scans | Scans |
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| Secondary | Cohort II Endpoint 4 Toxicity Related to FDG Administrations | Number of Participants who experienced AEs related to bladder and bone marrow assessed by complete blood count, urinalysis and AEs specific to bladder and bone marrow determined by Common Terminology Criteria for Adverse Events (CTCAE) v5 at 72±24 hours after final FDG injection. | TEAE specific to Bladder or Bone Marrow | Posted | Number | participants | Assessed at 72±24 hours after final FDG injection |
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| Secondary | Cohort II Endpoint 5 Workflow Characterization | Workflow characterization by
| PET imaging-Only sessions at RRFD that meets BTZ activation concentration threshold for BgRT (5 kBq/ml) | Posted | Count of Participants | Participants | a. Immediately after RMRS imaging-Only sessions b. After acceptable BgRT plan generation c. During BgRT physics Quality Assurance |
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| Secondary | Cohort II Endpoint 5d Workflow Characterization: PET Evaluations That Elicited a "Pass" Signal | Number of PET Pre-Scans on the Day of Fraction Delivery that Elicited a "Pass" Signal Fraction Delivery. | Cohort II (Emulated Delivery Cohort) | Posted | Count of Units | Scans | Assessed after PET Pre-Scan 1 prior to First Fraction delivery and after PET Pre-Scan 2 prior to Last Fraction delivery, reported after PET Pre-Scan 2 prior to Last Fraction. | Scans | Scans |
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Cohort I -RRFD: AEs were collected starting at the time of injection of FDG and assessed at 72±24 hours after the end of Imaging-only session. Cohort II -Emulated Delivery: AEs were collected starting at time of first FDG injection and assessed at 72±24 hours after the final FDG injection.
Any deaths, SAE, and other adverse events that started at the time of first FDG injection or 72±24 hours after the last FDG injection were collected in this study.
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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 | Cohort I: Recommended RefleXion FDG Dose (RRFD) Cohort | Cohort I: All Participants, 5 participants with bone tumor and 3 participants with lung tumor, underwent CT simulations, received single injection of 15 mCi of FDG, underwent back-to-back RefleXion PET Imaging-Only session and third-party diagnostic PET/CT device and was followed up at 72±24 hours. | 0 | 8 | 0 | 8 | 5 | 8 |
| EG001 | Cohort II: Delivery Emulation Cohort | Cohort II: The RRFD was determined in Cohort 1 as 15 mCi, aftter which enrollment began for Cohort II. In Cohort II each participant, (4 with bone tumor and 5 with lung tumor), underwent RefleXion PET image-only sessions at three different timepoints. Each participant received a FDG injection of 15 mCi, prior to each image acquisition: The timepoints were as follows: 1. At the time of enrollment: RefleXion PET image-only 2: At SBRT First Fraction (Standard of Care): RefleXion PET Prescan #1 3: At SBRT Last Fraction (Standard of Care): RefleXion PET Prescan #2 plus a Third-party PET/Scan. The participants were then followed-up at 72 ± 24 hours after final FDG injection. | 0 | 9 | 0 | 9 | 5 | 9 |
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| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Pain in Extremity | Musculoskeletal and connective tissue disorders | MedDRA (24.1) | Systematic Assessment |
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| Arthralgia | Musculoskeletal and connective tissue disorders | MedDRA (23.0) | Systematic Assessment | Shoulder pain |
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| Back Pain | Musculoskeletal and connective tissue disorders | MedDRA (23.0) | Systematic Assessment |
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| Oral Dysthesia | Gastrointestinal disorders | MedDRA (23.0) | Systematic Assessment |
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| Nausea | Gastrointestinal disorders | MedDRA (23.0) | Systematic Assessment |
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| Anorexia | Metabolism and nutrition disorders | MedDRA (23.0) | Systematic Assessment | Decreased Appetite |
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| Neck Pain | Musculoskeletal and connective tissue disorders | MedDRA (23.0) | Systematic Assessment |
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| Somolence | Nervous system disorders | MedDRA (23.0) | Systematic Assessment |
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| Pain of skin | Skin and subcutaneous tissue disorders | MedDRA (23.0) | Systematic Assessment |
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| Creatinine Increased | Investigations | MedDRA (23.0) | Systematic Assessment | Blood Creatinine Increase |
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| Fatigue | General disorders | MedDRA (23.0) | Systematic Assessment |
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| Pollakiuria | Renal and urinary disorders | MedDRA (23.0) | Systematic Assessment |
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| Platelet count decrease | Investigations | MedDRA (23.0) | Systematic Assessment |
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| WBC decreased | Investigations | MedDRA (23.0) | Systematic Assessment |
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| Prostatic Obstruction | Reproductive system and breast disorders | MedDRA (23.0) | Systematic Assessment |
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| Anemia | General disorders | MedDRA (23.0) | Systematic Assessment |
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| Lymphocyte count decrease | Investigations | MedDRA (23.0) | Systematic Assessment |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Debradenise Brooks | RefleXion | 16504828435 | dbrooks@reflexion.com |
| May 9, 2023 |
| Prot_SAP_001.pdf |
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| ID | Term |
|---|---|
| D009369 | Neoplasms |
| D008175 | Lung Neoplasms |
| D001859 | Bone Neoplasms |
| ID | Term |
|---|---|
| D012142 | Respiratory Tract Neoplasms |
| D013899 | Thoracic Neoplasms |
| D009371 | Neoplasms by Site |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |
| D001847 | Bone Diseases |
| D009140 | Musculoskeletal Diseases |
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| >=65 years |
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| Male |
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| Not Hispanic or Latino |
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| Unknown or Not Reported |
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| Asian |
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| Native Hawaiian or Other Pacific Islander |
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| Black or African American |
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| White |
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| More than one race |
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| Unknown or Not Reported |
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Statistical analysis of the primary endpoint is not applicable to Cohort I. A modified 3+3 design was utilized wherein meeting the activity level threshold, not dose-limiting toxicity, is the endpoint. The RRFD is primarily based upon the lower FDG dose level where 5 to 6 out of 6 subjects have an Activity Concentration greater than 5 kBq/ml." |
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| OG002 | Combined Cohort I + Cohort II | Combined Cohort I (RRFD Cohort) and Cohort II (Emulated Delivery Cohort) to characterize RefleXion system functioning |
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