2024
Circulating Tumor DNA Dynamics Reveal KRAS G12C Mutation Heterogeneity and Response to Treatment with the KRAS G12C Inhibitor Divarasib in Solid Tumors
Choi Y, Dharia N, Jun T, Chang J, Royer-Joo S, Yau K, Assaf Z, Aimi J, Sivakumar S, Montesion M, Sacher A, LoRusso P, Desai J, Schutzman J, Shi Z, group A. Circulating Tumor DNA Dynamics Reveal KRAS G12C Mutation Heterogeneity and Response to Treatment with the KRAS G12C Inhibitor Divarasib in Solid Tumors. Clinical Cancer Research 2024, 30: of1-of10. PMID: 38995268, PMCID: PMC11369623, DOI: 10.1158/1078-0432.ccr-24-0255.Peer-Reviewed Original ResearchConceptsKRAS G12C mutationTumor fractionSolid tumorsTumor typesG12C mutationOn-treatment time pointsNon-small cell lung cancerMutational heterogeneityAssociated with tumor typeProgression-free survivalPlasma samplesPhase 1 studyCell lung cancerCycle 1 dayAssociated with patient outcomesVariant allele frequencyAssociated with responseCtDNA levelsCtDNA profilingMetastatic sitesTruncal mutationsTumor DNATreatment responseLung cancerTumor tissues
2023
Divarasib plus cetuximab in KRAS G12C-positive colorectal cancer: a phase 1b trial
Desai J, Alonso G, Kim S, Cervantes A, Karasic T, Medina L, Shacham-Shmueli E, Cosman R, Falcon A, Gort E, Guren T, Massarelli E, Miller W, Paz-Ares L, Prenen H, Amatu A, Cremolini C, Kim T, Moreno V, Ou S, Passardi A, Sacher A, Santoro A, Stec R, Ulahannan S, Arbour K, Lorusso P, Luo J, Patel M, Choi Y, Shi Z, Mandlekar S, Lin M, Royer-Joo S, Chang J, Jun T, Dharia N, Schutzman J, Han S. Divarasib plus cetuximab in KRAS G12C-positive colorectal cancer: a phase 1b trial. Nature Medicine 2023, 30: 271-278. PMID: 38052910, PMCID: PMC10803265, DOI: 10.1038/s41591-023-02696-8.Peer-Reviewed Original ResearchPhase 1b trialColorectal cancerSafety profileMedian progression-free survivalTreatment-related adverse eventsInhibitor-naive patientsKRAS G12C inhibitionAntitumor activityManageable safety profileObjective response rateProgression-free survivalPreliminary antitumor activityKRAS G12C mutationKRAS G12C inhibitorsEpidermal growth factor receptorVariant allele frequencyGrowth factor receptorAdverse eventsMedian durationTreatment withdrawalPoor prognosisDisease progressionArm CDose reductionG12C inhibitorsSingle-Agent Divarasib (GDC-6036) in Solid Tumors with a KRAS G12C Mutation
Sacher A, LoRusso P, Patel M, Miller W, Garralda E, Forster M, Santoro A, Falcon A, Kim T, Paz-Ares L, Bowyer S, de Miguel M, Han S, Krebs M, Lee J, Cheng M, Arbour K, Massarelli E, Choi Y, Shi Z, Mandlekar S, Lin M, Royer-Joo S, Chang J, Dharia N, Schutzman J, Desai J. Single-Agent Divarasib (GDC-6036) in Solid Tumors with a KRAS G12C Mutation. New England Journal Of Medicine 2023, 389: 710-721. PMID: 37611121, DOI: 10.1056/nejmoa2303810.Peer-Reviewed Original ResearchConceptsMedian progression-free survivalTreatment-related adverse eventsProgression-free survivalAdverse eventsSolid tumorsG12C mutationLow-grade adverse eventsGrade 3 eventsGrade 4 eventsTreatment-related deathsDiscontinuation of treatmentMetastatic solid tumorsPhase 1 studyDurable clinical responsesBiomarkers of responseKRAS G12C mutationAssessment of safetyVariant allele frequencyClinical responseColorectal cancerSerial assessmentDose reductionG12C inhibitorsPatientsTumor DNA