2018
In Vivo PET Assay of Tumor Glutamine Flux and Metabolism: In-Human Trial of 18F-(2S,4R)-4-Fluoroglutamine.
Dunphy MPS, Harding JJ, Venneti S, Zhang H, Burnazi EM, Bromberg J, Omuro AM, Hsieh JJ, Mellinghoff IK, Staton K, Pressl C, Beattie BJ, Zanzonico PB, Gerecitano JF, Kelsen DP, Weber W, Lyashchenko SK, Kung HF, Lewis JS. In Vivo PET Assay of Tumor Glutamine Flux and Metabolism: In-Human Trial of 18F-(2S,4R)-4-Fluoroglutamine. Radiology 2018, 287: 667-675. PMID: 29388903, PMCID: PMC5929369, DOI: 10.1148/radiol.2017162610.Peer-Reviewed Original ResearchConceptsPositron emission tomographyDifferent cancer typesCancer typesAcid levelsFisher's exact testAmino acid levelsInvestigational new drug applicationGlutamine metabolismInstitutional review boardFluorodeoxyglucose avidityAdult patientsIntravenous bolusAcute fastingAggressive tumorsClinical safetyPotential tumor biomarkerPET scansPatientsExact testHelsinki DeclarationDrug AdministrationNew drug applicationsEmission tomographyTumorsInformed consent
2015
Glutamine-based PET imaging facilitates enhanced metabolic evaluation of gliomas in vivo
Venneti S, Dunphy MP, Zhang H, Pitter KL, Zanzonico P, Campos C, Carlin SD, La Rocca G, Lyashchenko S, Ploessl K, Rohle D, Omuro AM, Cross JR, Brennan CW, Weber WA, Holland EC, Mellinghoff IK, Kung HF, Lewis JS, Thompson CB. Glutamine-based PET imaging facilitates enhanced metabolic evaluation of gliomas in vivo. Science Translational Medicine 2015, 7: 274ra17. PMID: 25673762, PMCID: PMC4431550, DOI: 10.1126/scitranslmed.aaa1009.Peer-Reviewed Original ResearchConceptsPositron emission tomographyPermeable blood-brain barrierChemo/radiation therapyHigh tumor/background ratiosClear tumor delineationDecreased tumor burdenHigh background uptakeTumor/background ratiosBlood-brain barrierAltered glucose metabolismHuman glioma patientsVivo positron emission tomographyProgressive diseaseTumor burdenMetabolic evaluationBrain uptakeClinical managementTumor avidityGlioma patientsRadiation therapyGlucose metabolismBackground uptakeEmission tomographyGliomasCancer cells