2024
First-in-human phase I trial of the oral first-in-class ubiquitin specific peptidase 1 (USP1) inhibitor KSQ-4279 (KSQi), given as single agent (SA) and in combination with olaparib (OLA) or carboplatin (CARBO) in patients (pts) with advanced solid tumors, enriched for deleterious homologous recombination repair (HRR) mutations.
Yap T, Lakhani N, Patnaik A, Lee E, Gutierrez M, Moore K, Carneiro B, Hays J, Huang M, LoRusso P, Wylie A, Cadzow L, Goulet M, Tobin E, Krieter O, Schmid D, Blake S, Dieterich M, Jamois C, Harris P. First-in-human phase I trial of the oral first-in-class ubiquitin specific peptidase 1 (USP1) inhibitor KSQ-4279 (KSQi), given as single agent (SA) and in combination with olaparib (OLA) or carboplatin (CARBO) in patients (pts) with advanced solid tumors, enriched for deleterious homologous recombination repair (HRR) mutations. Journal Of Clinical Oncology 2024, 42: 3005-3005. DOI: 10.1200/jco.2024.42.16_suppl.3005.Peer-Reviewed Original ResearchUbiquitin specific peptidase 1Treatment-emergent adverse eventsHomologous recombination repair mutationsSingle agentPARP inhibitorsHomologous recombination repairFirst-in-human phase I trialPreliminary anti-tumor activityPaired tumor biopsiesTNBC PDX modelsDisease control ratePhase I trialAUC 4Olaparib concentrationsRECIST PRDose escalationExpansion cohortCancer ptsDose proportionalityTumor biopsiesI trialMaculopapular rashPDX modelsDiscontinued treatmentDNA damage response pathway
2023
Quantitative DNA Repair Biomarkers and Immune Profiling for Temozolomide and Olaparib in Metastatic Colorectal Cancer
Cecchini M, Zhang J, Wei W, Sklar J, Lacy J, Zhong M, Kong Y, Zhao H, DiPalermo J, Devine L, Stein S, Kortmansky J, Johung K, Bindra R, LoRusso P, Schalper K. Quantitative DNA Repair Biomarkers and Immune Profiling for Temozolomide and Olaparib in Metastatic Colorectal Cancer. Cancer Research Communications 2023, 3: 1132-1139. PMID: 37387791, PMCID: PMC10305782, DOI: 10.1158/2767-9764.crc-23-0045.Peer-Reviewed Original ResearchConceptsWhole-exome sequencingMGMT protein expressionColorectal cancerStable diseaseQuantitative immunofluorescenceT cellsProtein expressionPromoter hypermethylationLow MGMT protein expressionPARP inhibitorsRadiographic tumor regressionMetastatic colorectal cancerAdvanced colorectal cancerPretreatment tumor biopsiesEffector T cellsTumor-infiltrating lymphocytesMGMT proteinDNA repair biomarkersBaseline CD8Eligible patientsIncreased CD8Methylguanine-DNA methyltransferaseObjective responseProgressive diseaseImmune markersNCI 7977: A Phase I Dose-Escalation Study of Intermittent Oral ABT-888 (Veliparib) Plus Intravenous Irinotecan Administered in Patients with Advanced Solid Tumors
Cecchini M, Walther Z, Wei W, Hafez N, Pilat M, Boerner S, Durecki D, Eder J, Schalper K, Chen A, LoRusso P. NCI 7977: A Phase I Dose-Escalation Study of Intermittent Oral ABT-888 (Veliparib) Plus Intravenous Irinotecan Administered in Patients with Advanced Solid Tumors. Cancer Research Communications 2023, 3: 1113-1117. PMID: 37377610, PMCID: PMC10292219, DOI: 10.1158/2767-9764.crc-22-0485.Peer-Reviewed Original ResearchConceptsDose-limiting toxicityHomologous recombination deficiencyPARP inhibitorsStable diseaseWeekly irinotecanObjective responseDay 1Day 3Solid tumorsPhase I dose-escalation studyTwice daily days 1I dose-escalation studyPhase I clinical trialDaily days 1Dose level 1Doses of veliparibGrade 3 neutropeniaMultiple-dose schedulesProgression-free survivalAdvanced solid tumorsDose-escalation studyEvaluable patientsNonoverlapping toxicitiesDose scheduleSystemic treatment
2022
Multicenter phase 2 trial of the PARP inhibitor (PARPi) olaparib in recurrent IDH1 and IDH2-mutant contrast-enhancing glioma.
Fanucci K, Pilat M, Shah R, Boerner S, Li J, Durecki D, Drappatz J, Collichio F, Puduvalli V, Lieberman F, Gonzalez J, Giglio P, Bao X, Ivy S, Bindra R, Omuro A, LoRusso P. Multicenter phase 2 trial of the PARP inhibitor (PARPi) olaparib in recurrent IDH1 and IDH2-mutant contrast-enhancing glioma. Journal Of Clinical Oncology 2022, 40: 2035-2035. DOI: 10.1200/jco.2022.40.16_suppl.2035.Peer-Reviewed Original ResearchProgression-free survivalMedian progression-free survivalStable diseaseDuration of responseOverall response ratePARP inhibitorsOverall survivalStandard therapyOlaparib monotherapyMulticenter phase 2 trialCDKN2A deletionClinical predictive markersGrade 3 lymphopeniaProlonged stable diseasePhase 2 trialGrade 4 tumorsFuture patient stratificationRecent preclinical studiesHigh-grade gliomasNovel drug combinationsContrast-enhancing gliomasEligible ptsEvaluable ptsRecent histologyPrimary endpoint
2021
A phase I/II study of combination olaparib and radium-223 in men with metastatic castration-resistant prostate cancer with bone metastases (COMRADE): A trial in progress.
Shaya J, Xie W, Saraiya B, Parikh M, Folefac E, Olson A, Choudhury A, Einstein D, Heath E, Parikh R, Kunos C, Ivy S, LoRusso P, Kurzrock R, Shapiro G, McKay R. A phase I/II study of combination olaparib and radium-223 in men with metastatic castration-resistant prostate cancer with bone metastases (COMRADE): A trial in progress. Journal Of Clinical Oncology 2021, 39: tps182-tps182. DOI: 10.1200/jco.2021.39.6_suppl.tps182.Peer-Reviewed Original ResearchMetastatic castration-resistant prostate cancerPhase 2 componentCastration-resistant prostate cancerPhase 1 componentBone metastasesRadium-223PARP inhibitorsPrimary endpointOverall survivalProstate cancerPhase I/II studyRadiographic progression-free survivalFirst skeletal eventKey exclusion criteriaMore bone metastasesNon-bone metastasisPhase 2 doseStratification of responsePhase 1/2 studyPrior radiation therapyPhase 1/2 trialProgression-free survivalDose-escalation designTumor immune microenvironmentPlasma cell-free DNA