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| Name | Class |
|---|---|
| Bracco Corporate | INDUSTRY |
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The investigators seek to test bolus infusions (50ml/min) vs. slow infusions (20 ml/min) of Rb-82 on metrics of coronary blood flow assessed on a modern 3D PET/CT.
As perfusion metrics in the healthy volunteers, patients with risk factors and/or coronary artery disease and in tissue with transmural myocardial infarctions has been well defined AND same day test-retest variability minutes apart using a bolus infusion is ±10%, the investigators shall test 3 hypotheses. The first hypothesis is repeated same day test-retest coefficient of variation (COV) of whole heart rMBF and sMBF acquired using a bolus infusion profile (50 mls/min) on a modern 3D PET scanner falls within ± 10%. The second hypothesis is repeated same day test-retest COV of whole heart rMBF and sMBF acquired using a slow infusion activity profile (20 mls/min) on a modern 3D PET scanner falls within ± 10%. The third hypothesis is COV of whole heart rMBF and sMBF between bolus and slow activity profiles is ± 10% where the bolus is considered the standard on a modern 3D PET scanner.
The investigators will test the different activity profiles on 3 distinct populations:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Normal volunteers | Other | Normal participants will receive serial doses of Rb-82 administered as either a bolus (B) (gold standard) or slow infusion (SI). Under resting conditions, they will receive 3 weight based doses. The first two doses are randomly assigned B and SI. The third dose is either B or SI. Under stress conditions, they will receive 2 weight based doses that are randomly assigned B and SI. |
|
| Clinical patients | Other | Clinical patients participants will receive serial doses of Rb-82 administered as either a bolus (B) (gold standard) or slow infusion (SI). Under resting conditions, they will receive 3 weight based doses. The first two doses are randomly assigned B and SI. The third dose is either B or SI. Under stress conditions, they will receive 2 weight based doses that are randomly assigned B and SI. |
|
| Infarcts | Other | Infarct participants will receive serial doses of Rb-82 administered as either a bolus (B) (gold standard) or slow infusion (SI). Under resting conditions, they will receive 3 weight based doses. The first two doses are randomly assigned B and SI. The third dose is either B or SI. Under stress conditions, they will receive 2 weight based doses that are randomly assigned B and SI. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Slow Infusion of Rubidium-82 | Drug | Normal volunteers will receive weight based doses of Rb-82 infused as a slow infusion |
|
| Measure | Description | Time Frame |
|---|---|---|
| Resting and stress whole heart myocardial blood flow using the bolus infusion profile of Rubidium-82 | resting and stress myocardial blood flow in cc/min/g | 1 day |
| Measure | Description | Time Frame |
|---|---|---|
| Resting and stress whole heart myocardial blood flow using the slow infusion profile of Rubidium-82 | resting and stress myocardial blood flow in cc/min/g | 1 Day |
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Inclusion Criteria:
Normal Volunteers
The "clinical" population
The "infarct" population
Adults ≥18 years old able to give informed consent.
Prior cardiac PET scan demonstrating a fixed defect ≥ 15% of the LV myocardium with relative uptake ≤60% maximum uptake.
In addition, to the perfusion defect, each volunteer requires either:
Ability to abstain from caffeine for 48 hours
Exclusion Criteria:
Normal Volunteers
The "clinical" and "infarct" populations
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ochsner | New Orleans | Louisiana | 70120 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 1900224 | Background | Araujo LI, Lammertsma AA, Rhodes CG, McFalls EO, Iida H, Rechavia E, Galassi A, De Silva R, Jones T, Maseri A. Noninvasive quantification of regional myocardial blood flow in coronary artery disease with oxygen-15-labeled carbon dioxide inhalation and positron emission tomography. Circulation. 1991 Mar;83(3):875-85. doi: 10.1161/01.cir.83.3.875. | |
| 6332687 |
| Label | URL |
|---|---|
| Quantification of Resting Myocardial Blood Flow Using Rubidum82 Positron Emission Tomography in Regions with MRI-Confirmed Myocardial Scar. Annals of Nuclear Cardiology. | View source |
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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 | Mar 9, 2022 |
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All participants will receive a standard "high flow rate" weight based bolus of Rb-82 and a "low flow rate" weight based infusion of Rb-82. The bolus and infusion doses will be administered randomly at rest and stress however the bolus is considered the gold standard.
In addition, under resting conditions, participants will also receive a third dose of Rb-82 that is either a bolus or low flow rate (assigned randomly).
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| Slow Infusion of Rubidium-82 | Drug | Clinical patients will receive weight based doses of Rb-82 infused as a slow infusion |
|
|
| Slow Infusion of Rubidium-82 | Drug | Infarct volunteers will receive weight based doses of Rb-82 infused as a slow infusion |
|
|
| Bergmann SR, Fox KA, Rand AL, McElvany KD, Welch MJ, Markham J, Sobel BE. Quantification of regional myocardial blood flow in vivo with H215O. Circulation. 1984 Oct;70(4):724-33. doi: 10.1161/01.cir.70.4.724. |
| 21492816 | Background | Sdringola S, Johnson NP, Kirkeeide RL, Cid E, Gould KL. Impact of unexpected factors on quantitative myocardial perfusion and coronary flow reserve in young, asymptomatic volunteers. JACC Cardiovasc Imaging. 2011 Apr;4(4):402-12. doi: 10.1016/j.jcmg.2011.02.008. |
| 23657833 | Background | Renaud JM, DaSilva JN, Beanlands RS, DeKemp RA. Characterizing the normal range of myocardial blood flow with (8)(2)rubidium and (1)(3)N-ammonia PET imaging. J Nucl Cardiol. 2013 Aug;20(4):578-91. doi: 10.1007/s12350-013-9721-3. Epub 2013 May 9. |
| 8229231 | Background | Merlet P, Mazoyer B, Hittinger L, Valette H, Saal JP, Bendriem B, Crozatier B, Castaigne A, Syrota A, Rande JL. Assessment of coronary reserve in man: comparison between positron emission tomography with oxygen-15-labeled water and intracoronary Doppler technique. J Nucl Med. 1993 Nov;34(11):1899-904. |
| 8890809 | Background | Kern MJ, Bach RG, Mechem CJ, Caracciolo EA, Aguirre FV, Miller LW, Donohue TJ. Variations in normal coronary vasodilatory reserve stratified by artery, gender, heart transplantation and coronary artery disease. J Am Coll Cardiol. 1996 Nov 1;28(5):1154-60. doi: 10.1016/S0735-1097(96)00327-0. |
| 8106689 | Background | Gewirtz H, Fischman AJ, Abraham S, Gilson M, Strauss HW, Alpert NM. Positron emission tomographic measurements of absolute regional myocardial blood flow permits identification of nonviable myocardium in patients with chronic myocardial infarction. J Am Coll Cardiol. 1994 Mar 15;23(4):851-9. doi: 10.1016/0735-1097(94)90629-7. |
| 1269083 | Background | Rivas F, Cobb FR, Bache RJ, Greenfield JC Jr. Relationship between blood flow to ischemic regions and extent of myocardial infarction. Serial measurement of blood flow to ischemic regions in dogs. Circ Res. 1976 May;38(5):439-47. doi: 10.1161/01.res.38.5.439. |
| 28017383 | Background | Kitkungvan D, Johnson NP, Roby AE, Patel MB, Kirkeeide R, Gould KL. Routine Clinical Quantitative Rest Stress Myocardial Perfusion for Managing Coronary Artery Disease: Clinical Relevance of Test-Retest Variability. JACC Cardiovasc Imaging. 2017 May;10(5):565-577. doi: 10.1016/j.jcmg.2016.09.019. Epub 2016 Dec 21. |
| 29243073 | Background | Murthy VL, Bateman TM, Beanlands RS, Berman DS, Borges-Neto S, Chareonthaitawee P, Cerqueira MD, deKemp RA, DePuey EG, Dilsizian V, Dorbala S, Ficaro EP, Garcia EV, Gewirtz H, Heller GV, Lewin HC, Malhotra S, Mann A, Ruddy TD, Schindler TH, Schwartz RG, Slomka PJ, Soman P, Di Carli MF, Einstein A, Russell R, Corbett JR. Clinical Quantification of Myocardial Blood Flow Using PET: Joint Position Paper of the SNMMI Cardiovascular Council and the ASNC. J Nucl Cardiol. 2018 Feb;25(1):269-297. doi: 10.1007/s12350-017-1110-x. No abstract available. |
| 27539843 | Background | Renaud JM, Yip K, Guimond J, Trottier M, Pibarot P, Turcotte E, Maguire C, Lalonde L, Gulenchyn K, Farncombe T, Wisenberg G, Moody J, Lee B, Port SC, Turkington TG, Beanlands RS, deKemp RA. Characterization of 3-Dimensional PET Systems for Accurate Quantification of Myocardial Blood Flow. J Nucl Med. 2017 Jan;58(1):103-109. doi: 10.2967/jnumed.116.174565. Epub 2016 Aug 18. |
| 32128675 | Background | Bui L, Kitkungvan D, Roby AE, Nguyen TT, Gould KL. Pitfalls in quantitative myocardial PET perfusion II: Arterial input function. J Nucl Cardiol. 2020 Apr;27(2):397-409. doi: 10.1007/s12350-020-02074-8. Epub 2020 Mar 3. |
| 33483794 | Background | Gould KL, Bui L, Kitkungvan D, Patel MB. Reliability and Reproducibility of Absolute Myocardial Blood Flow: Does It Depend on the PET/CT Technology, the Vasodilator, and/or the Software? Curr Cardiol Rep. 2021 Jan 22;23(3):12. doi: 10.1007/s11886-021-01449-8. |
| 37752344 | Derived | Bober RM, Milani RV, Kachur SM, Morin DP. Assessment of resting myocardial blood flow in regions of known transmural scar to confirm accuracy and precision of 3D cardiac positron emission tomography. EJNMMI Res. 2023 Sep 27;13(1):87. doi: 10.1186/s13550-023-01037-7. |
| Mar 9, 2022 |
| Prot_SAP_000.pdf |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Apr 11, 2023 | May 4, 2023 | 4 |
| ID | Term |
|---|---|
| D003324 | Coronary Artery Disease |
| D009203 | Myocardial Infarction |
| ID | Term |
|---|---|
| D003327 | Coronary Disease |
| D017202 | Myocardial Ischemia |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
| D001161 | Arteriosclerosis |
| D001157 | Arterial Occlusive Diseases |
| D014652 | Vascular Diseases |
| D007238 | Infarction |
| D007511 | Ischemia |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D009336 | Necrosis |
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