2023
Ultrasensitive Circulating Tumor DNA Pilot Study Distinguishes Complete Response and Partial Response With Immunotherapy in Patients With Metastatic Renal Cell Carcinoma
Chehrazi-Raffle A, Muddasani R, Dizman N, Hsu J, Meza L, Zengin Z, Malhotra J, Chawla N, Dorff T, Contente-Cuomo T, Dinwiddie D, McDonald B, McDaniel T, Trent J, Baehner F, Murtaza M, Pal S. Ultrasensitive Circulating Tumor DNA Pilot Study Distinguishes Complete Response and Partial Response With Immunotherapy in Patients With Metastatic Renal Cell Carcinoma. JCO Precision Oncology 2023, 7: e2200543. PMID: 37027813, PMCID: PMC10309555, DOI: 10.1200/po.22.00543.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaPartial responseComplete responseVariant allele fractionRenal cell carcinomaCell carcinomaCtDNA analysisImmune checkpoint inhibitor therapyCheckpoint inhibitor therapyDiscontinuation of immunotherapyDepth of responseICI therapyNivolumab monotherapyEligible patientsRadiographic progressionInhibitor therapyPeripheral bloodDisease progressionCtDNA assessmentSubsequent progressionPatientsMultiple indicationsSingle time pointPatient-specific mutationsSecondary objective
2022
A phase I trial to evaluate the biologic effect of CBM588 (Clostridium butyricum) in combination with cabozantinib plus nivolumab for patients with metastatic renal cell carcinoma (mRCC).
Meza L, Malhotra J, Zengin Z, Dizman N, Hsu J, Chawla N, Chehrazi-Raffle A, Muddasani R, Govindarajan A, Castro D, Dorff T, Lyou Y, Frankel P, Pal S. A phase I trial to evaluate the biologic effect of CBM588 (Clostridium butyricum) in combination with cabozantinib plus nivolumab for patients with metastatic renal cell carcinoma (mRCC). Journal Of Clinical Oncology 2022, 40: tps4606-tps4606. DOI: 10.1200/jco.2022.40.16_suppl.tps4606.Peer-Reviewed Original ResearchMetastatic renal cell carcinomaClinical responseClear cell metastatic renal cell carcinomaTyrosine kinase inhibitor cabozantinibBiologic effectsGut microbiomeImmune checkpoint inhibitor nivolumabOne-sided type I errorPhase I clinical trialFirst-line treatmentProgression-free survivalStudy's primary endpointCheckpoint inhibitor nivolumabPhase I trialPhase 1 trialSubgroup of patientsWeeks of treatmentCytokines/chemokinesDose/scheduleOngoing phase IRenal cell carcinomaImproved clinical benefitBifidobacterium sppEligible patientsPo bid
2021
Distinct cytokines predict response to immunotherapy and targeted therapy in metastatic renal cell carcinoma (mRCC).
Chehrazi-Raffle A, Meza L, Alcantara M, Salgia N, Dizman N, Bergerot P, Hsu J, Kortylewski M, Pal S. Distinct cytokines predict response to immunotherapy and targeted therapy in metastatic renal cell carcinoma (mRCC). Journal Of Clinical Oncology 2021, 39: 352-352. DOI: 10.1200/jco.2021.39.6_suppl.352.Peer-Reviewed Original ResearchVascular endothelial growth factor tyrosine kinase inhibitorMetastatic renal cell carcinomaImmune checkpoint inhibitorsPlasma cytokinesClinical benefitCommon immune checkpoint inhibitorsICI combination therapyLow pretreatment levelsRenal cell carcinomaEligible patientsICI armsStable diseaseCheckpoint inhibitorsImmunologic profilePartial responseSystemic therapyComplete responseProspective studyIL-1raCell carcinomaCombination therapyIL-6Pretreatment levelsDistinct cytokinesG-CSF