2025
Collagen Hybridizing Peptide-Based Radiotracers for Molecular Imaging of Collagen Turnover in Pulmonary Fibrosis.
Ahmad A, Ghim M, Kukreja G, Neishabouri A, Zhang Z, Li J, Salarian M, Toczek J, Gona K, Hedayatyanfard K, Morrison T, Zhang J, Huang Y, Liu C, Yu S, Sadeghi M. Collagen Hybridizing Peptide-Based Radiotracers for Molecular Imaging of Collagen Turnover in Pulmonary Fibrosis. Journal Of Nuclear Medicine 2025, 66: 425-433. PMID: 39915119, PMCID: PMC11876730, DOI: 10.2967/jnumed.124.268832.Peer-Reviewed Original ResearchConceptsPulmonary fibrosisTracer uptakeLung uptakeMurine model of pulmonary fibrosisModel of pulmonary fibrosisMice 3 wkEffect of antifibrotic therapyCollagen turnoverInterstitial lung diseaseClinical diagnostic methodsSPECT/CT imagingHybrid tracersLung histologyAntifibrotic therapyControl miceDisease activityMurine modelLung diseaseMice 8Tissue fibrosisPatient managementLiver uptakeSPECT/CTFibrosisSPECT images
2024
Reproducibility of Semi-automated Quantitative Analyses of Tc-99m Pyrophosphate Uptake from Myocardial Perfusion Planar and SPECT Images
Goyal D, Sandoval V, Weyman C, Miller E, Liu Y. Reproducibility of Semi-automated Quantitative Analyses of Tc-99m Pyrophosphate Uptake from Myocardial Perfusion Planar and SPECT Images. Journal Of Medical And Biological Engineering 2024, 45: 84-91. DOI: 10.1007/s40846-024-00924-1.Peer-Reviewed Original ResearchStandardized uptake valueTc-99SPECT imagesStandard uptake value quantificationTransthyretin cardiac amyloidosisH/CL ratioTc-99m PYP uptakeMethodsOur study cohortInter-observer reproducibilityPlanar imagingTechnetium-99mCardiac amyloidosisClinical suspicionSPECT/CT imagingTc-99m PYP imagingTc-99m PYPConsecutive subjectsUptake valueObserver reproducibilityStudy cohortInter-observerPurposeThe aimResultsIntra-observerMyocardial uptakeSPECTReproducibility for quantification of myocardial Tc-99m PYP amyloid uptake in grade 1 patients
Sandoval V, Goyal D, Miller E, Liu Y. Reproducibility for quantification of myocardial Tc-99m PYP amyloid uptake in grade 1 patients. European Heart Journal - Cardiovascular Imaging 2024, 25: jeae142.047. DOI: 10.1093/ehjci/jeae142.047.Peer-Reviewed Original ResearchStandardized uptake valueTc-99m PYP uptakeTc-99Cardiac amyloidosisHeart failureStandard uptake value quantificationStandardized uptake value calculationSPECT imagesIntractable heart failureSystolic heart failureIntroduction of therapyPlanar imagingTc-99m pyrophosphateAmyloid patientsSPECT/CT imagingInter-reproducibilityUptake valueContralateral ratioCoefficient of variationDisease progressionH/M ratioGrade 1Blood poolPatientsH/CL ratio
2020
Imaging of Injectable Hydrogels Delivered into Myocardium with SPECT/CT
Uman S, Wang LL, Thorn SL, Liu Z, Duncan JS, Sinusas AJ, Burdick JA. Imaging of Injectable Hydrogels Delivered into Myocardium with SPECT/CT. Advanced Healthcare Materials 2020, 9: e2000294. PMID: 32543053, PMCID: PMC7482444, DOI: 10.1002/adhm.202000294.Peer-Reviewed Original ResearchConceptsInjectable hydrogelsMyocardial infarctionSelf-healing hydrogelsHydrogel mechanical propertiesHybrid single-photon emissionHybrid SPECT/CT imagingMechanical propertiesTomography perfusion imagingAcute porcine modelSPECT/CT imagingSPECT/CTSingle photon emissionInjection forceHyaluronic acid hydrogelsPattern of deliveryTomography/HydrogelsPerfusion defectsPerfusion imagingExcellent radiopacityPorcine modelAcid hydrogelsCT imagingHydrogel deliveryHydrogel injection
2019
PD60-11 A PHASE 3 STUDY TO EVALUATE THE SAFETY AND EFFICACY OF 99M TC-MIP-1404 SPECT/CT IMAGING TO DETECT CLINICALLY SIGNIFICANT PROSTATE CANCER IN MEN WITH BIOPSY PROVEN LOW GRADE PROSTATE CANCER WHO ARE CANDIDATES FOR ACTIVE SURVEILLANCE (PROSPECT-AS)
Ellis* W, Donnelly B, Gorin M, Pouliot F, Nguyen H, Carroll P, Scherr D, Probst S, Saperstein L, Fleshner N, Maroni P, Shah K, Stambler N, DiPippo V, Strack T, Mahmood S, Jensen J, Wong V, Allaf M. PD60-11 A PHASE 3 STUDY TO EVALUATE THE SAFETY AND EFFICACY OF 99M TC-MIP-1404 SPECT/CT IMAGING TO DETECT CLINICALLY SIGNIFICANT PROSTATE CANCER IN MEN WITH BIOPSY PROVEN LOW GRADE PROSTATE CANCER WHO ARE CANDIDATES FOR ACTIVE SURVEILLANCE (PROSPECT-AS). Journal Of Urology 2019, 201 DOI: 10.1097/01.ju.0000557222.99762.6b.Peer-Reviewed Original Research
2018
Radiotracer Imaging Allows for Noninvasive Detection and Quantification of Abnormalities in Angiosome Foot Perfusion in Diabetic Patients With Critical Limb Ischemia and Nonhealing Wounds
Alvelo JL, Papademetris X, Mena-Hurtado C, Jeon S, Sumpio BE, Sinusas AJ, Stacy MR. Radiotracer Imaging Allows for Noninvasive Detection and Quantification of Abnormalities in Angiosome Foot Perfusion in Diabetic Patients With Critical Limb Ischemia and Nonhealing Wounds. Circulation Cardiovascular Imaging 2018, 11: e006932. PMID: 29748311, PMCID: PMC5951395, DOI: 10.1161/circimaging.117.006932.Peer-Reviewed Original ResearchMeSH KeywordsAnkle Brachial IndexCase-Control StudiesCritical IllnessDiabetic FootHumansIschemiaMicrocirculationOrganophosphorus CompoundsOrganotechnetium CompoundsPerfusion ImagingPredictive Value of TestsRadiopharmaceuticalsRegional Blood FlowSingle Photon Emission Computed Tomography Computed TomographyWound HealingConceptsCritical limb ischemiaAnkle-brachial indexStandardized uptake valueSPECT/CT imagingDiabetic patientsHealthy subjectsSPECT/CTFoot perfusionUptake valueLimb ischemiaMicrovascular perfusionSkeletal muscle microvascular perfusionCT imagingDiabetic CLI patientsMuscle microvascular perfusionPeripheral artery diseaseSingle photon emissionIntraclass correlation coefficientAngiosome perfusionCLI subjectsCLI patientsArtery diseaseDiabetes mellitusCT perfusionVascular territories
2017
Preclinical Evaluation of RYM1, a Matrix Metalloproteinase–Targeted Tracer for Imaging Aneurysm
Toczek J, Ye Y, Gona K, Kim HY, Han J, Razavian M, Golestani R, Zhang J, Wu TL, Jung JJ, Sadeghi MM. Preclinical Evaluation of RYM1, a Matrix Metalloproteinase–Targeted Tracer for Imaging Aneurysm. Journal Of Nuclear Medicine 2017, 58: 1318-1323. PMID: 28360209, PMCID: PMC5537616, DOI: 10.2967/jnumed.116.188656.Peer-Reviewed Original ResearchConceptsMatrix metalloproteinasesMMP activityCD68 expressionCarotid aneurysmsPreclinical evaluationAneurysm developmentAbdominal aortic aneurysm (AAA) developmentAortic MMP activityEarly vascular imagingAngiotensin II infusionLow blood levelsAortic aneurysm developmentSPECT/CT imagesReverse transcription-polymerase chain reactionSPECT/CT imagingRapid blood clearanceSmall-animal SPECT/CT imagingII infusionAortic uptakeAngiotensin IIBlood levelsPolymerase chain reactionAAA formationDeficient miceApolipoprotein E
2013
Multimodality Imaging Approach for Serial Assessment of Regional Changes in Lower Extremity Arteriogenesis and Tissue Perfusion in a Porcine Model of Peripheral Arterial Disease
Stacy MR, Yu da Y, Maxfield MW, Jaba IM, Jozwik BP, Zhuang ZW, Lin BA, Hawley CL, Caracciolo CM, Pal P, Tirziu D, Sampath S, Sinusas AJ. Multimodality Imaging Approach for Serial Assessment of Regional Changes in Lower Extremity Arteriogenesis and Tissue Perfusion in a Porcine Model of Peripheral Arterial Disease. Circulation Cardiovascular Imaging 2013, 7: 92-99. PMID: 24170237, PMCID: PMC3929970, DOI: 10.1161/circimaging.113.000884.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArteriesCapillariesCollateral CirculationDisease Models, AnimalLower ExtremityMaleMultimodal ImagingNeovascularization, PhysiologicPerfusion ImagingPeripheral Arterial DiseasePredictive Value of TestsRegional Blood FlowReproducibility of ResultsSwineTomography, Emission-Computed, Single-PhotonTomography, X-Ray ComputedConceptsPeripheral arterial diseaseSPECT/CT imagingArterial diseaseWeeks postocclusionProximal musclesCT imagingCapillary densityTissue perfusionPorcine modelLower extremity perfusionSingle photon emission tomographyFemoral artery occlusionMultimodality Imaging ApproachPhoton emission tomographyGamma countingIschemic calfNonischemic hindlimbsExtremity perfusionArtery occlusionLimb ischemiaMuscle perfusionSerial assessmentSerial changesCT angiographySPECT perfusion
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