2024
A Phase II Trial of the WEE1 Inhibitor Adavosertib in SETD2-Altered Advanced Solid Tumor Malignancies (NCI 10170)
Maldonado E, Rathmell W, Shapiro G, Takebe N, Rodon J, Mahalingam D, Trikalinos N, Kalebasty A, Parikh M, Boerner S, Balido C, Krings G, Burns T, Bergsland E, Munster P, Ashworth A, LoRusso P, Aggarwal R. A Phase II Trial of the WEE1 Inhibitor Adavosertib in SETD2-Altered Advanced Solid Tumor Malignancies (NCI 10170). Cancer Research Communications 2024, 4: 1793-1801. PMID: 38920407, PMCID: PMC11264598, DOI: 10.1158/2767-9764.crc-24-0213.Peer-Reviewed Original ResearchSolid tumor malignanciesStable diseaseTumor malignancyAdverse eventsDepth of tumor responseLoss of H3K36me3Median duration of treatmentAdvanced solid tumor malignanciesClear cell renal cell carcinomaMinor tumor regressionsProlonged stable diseaseArchival tumor tissuePhase II studyCell renal cell carcinomaPhase II trialRenal cell carcinomaDuration of treatmentArchival tissue samplesSimon's two-stageTumor responseTumor regressionII trialMedian durationII studySETD2 mutationsEfficacy and Safety of the MDM2–p53 Antagonist Brigimadlin (BI 907828) in Patients with Advanced Biliary Tract Cancer: A Case Series
Yamamoto N, Tolcher A, Hafez N, Lugowska I, Ramlau R, Macarulla T, Geng J, Li J, Teufel M, Märten A, LoRusso P. Efficacy and Safety of the MDM2–p53 Antagonist Brigimadlin (BI 907828) in Patients with Advanced Biliary Tract Cancer: A Case Series. OncoTargets And Therapy 2024, 17: 267-280. PMID: 38567193, PMCID: PMC10986405, DOI: 10.2147/ott.s440979.Peer-Reviewed Original ResearchBiliary tract cancerAdvanced biliary tract cancerAdverse eventsDose reduction due to adverse eventsBiliary tract cancer casesChemotherapy plus immunotherapyPhase Ia/Ib trialPD-1 inhibitorsSecond-line optionAnti-tumor activityStable diseasePartial responsePD-1Treatment discontinuationCase seriesSafety profilePatientsImprove outcomesMolecular heterogeneityCancerMDM2-p53DiseaseImmunotherapyDoseEfficacy
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 inhibitorsAnti-TIGIT Antibody Tiragolumab Alone or With Atezolizumab in Patients With Advanced Solid Tumors
Kim T, Bedard P, LoRusso P, Gordon M, Bendell J, Oh D, Ahn M, Garralda E, D’Angelo S, Desai J, Hodi F, Wainberg Z, Delord J, Cassier P, Cervantes A, Gil-Martin M, Wu B, Patil N, Jin Y, Hoang T, Mendus D, Wen X, Meng R, Cho B. Anti-TIGIT Antibody Tiragolumab Alone or With Atezolizumab in Patients With Advanced Solid Tumors. JAMA Oncology 2023, 9: 1574-1582. PMID: 37768658, PMCID: PMC10540058, DOI: 10.1001/jamaoncol.2023.3867.Peer-Reviewed Original ResearchConceptsObjective response rateAdvanced solid tumorsAdverse eventsPhase 1bAntitumor activityCancer cohortNon-small cell lung cancer (NSCLC) cohortFrequent treatment-related adverse eventsInvestigator-assessed objective response rateSolid tumorsCell lung cancer cohortTreatment-related adverse eventsMajority of AEsEnd pointClinical cutoff dateDose-escalation cohortsDose-expansion cohortsEsophageal cancer cohortPhase 2 dosePrior cancer therapyPrimary end pointSecondary end pointsHalf of patientsNew safety signalsAntitumor immune responseSingle-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 DNAA Phase I Dose-Escalation Study of LY3405105, a Covalent Inhibitor of Cyclin-Dependent Kinase 7, Administered to Patients With Advanced Solid Tumors
Garralda E, Schram A, Bedard P, Schwartz G, Yuen E, McNeely S, Ribeiro S, Cunningham J, Wang Y, Urunuela A, Xu X, LoRusso P. A Phase I Dose-Escalation Study of LY3405105, a Covalent Inhibitor of Cyclin-Dependent Kinase 7, Administered to Patients With Advanced Solid Tumors. The Oncologist 2023, 29: e131-e140. PMID: 37531083, PMCID: PMC10769797, DOI: 10.1093/oncolo/oyad215.Peer-Reviewed Original ResearchConceptsTreatment-related adverse eventsAdvanced solid tumorsCyclin-dependent kinase 7Adverse eventsSolid tumorsPhase I dose-escalation studyI dose-escalation studyLimited clinical activityGastrointestinal adverse eventsDose-escalation studyDose-limiting toxicityPhase I trialBest overall responsePeak-trough fluctuationKinase 7Common toxicitiesStable diseaseAbdominal painPrimary endpointSecondary endpointsAdult patientsPartial responseComplete responseI trialMedian timeThe MDM2–p53 antagonist BI 907828 in patients with advanced or metastatic solid tumors: results of a phase Ia, first-in-human, dose-escalation study
LoRusso P, Yamamoto N, Patel M, Laurie S, Bauer T, Geng J, Davenport T, Teufel M, Li J, Lahmar M, Gounder M. The MDM2–p53 antagonist BI 907828 in patients with advanced or metastatic solid tumors: results of a phase Ia, first-in-human, dose-escalation study. Cancer Discovery 2023, 13: 1802-1813. PMID: 37269344, PMCID: PMC10401071, DOI: 10.1158/2159-8290.cd-23-0153.Peer-Reviewed Original ResearchConceptsTreatment-related adverse eventsSolid tumorsDay 1Common treatment-related adverse eventsGrowth differentiation factor-15 levelsMDM2-p53 antagonistsManageable safety profileAdvanced solid tumorsDose-escalation studyDose-limiting toxicityMetastatic solid tumorsDose-dependent increaseIA/IBAdverse eventsSafety profilePreliminary efficacyDedifferentiated liposarcomaClinical investigationCommon gradePatientsRelated commentaryIssue featureTarget engagementAntitumor activityTumorsA phase 1a dose-escalation study of PY159, a monoclonal antibody targeting TREM1 (triggering receptor expressed on myeloid cells 1).
Winer I, Patnaik A, Barve M, Kummar S, Schenk E, LoRusso P, Yeku O, Fu S, Jahchan N, Myers M, Liang L, Deegan D, Jackson L, Li Y, Reyno L, Chamberlain M. A phase 1a dose-escalation study of PY159, a monoclonal antibody targeting TREM1 (triggering receptor expressed on myeloid cells 1). Journal Of Clinical Oncology 2023, 41: 2523-2523. DOI: 10.1200/jco.2023.41.16_suppl.2523.Peer-Reviewed Original ResearchSingle agentDose levelsNon-small cell lung cancerAdvanced refractory solid tumorsDose-escalation study designImmune-related adverse eventsTriple-negative breast cancerImmune checkpoint inhibitorsAcceptable safety profileDose-escalation studyRefractory solid tumorsCell lung cancerArchival tumor tissueEnrollment of subjectsImmune-related reactionsDose proportionalECOG PSRECIST 1.1Stable diseaseTREM1 expressionCheckpoint inhibitorsAdverse eventsPartial responseRadiographic responseGynecologic cancerA phase 2 study of the WEE1 inhibitor AZD1775 in SETD2-deficient advanced solid tumor malignancies.
Maldonado E, Rathmell W, Shapiro G, Rodon Ahnert J, Mahalingam D, Trikalinos N, Rezazadeh A, Adorno Febles V, Parikh M, Boerner S, Krings G, Takebe N, LoRusso P, Aggarwal R. A phase 2 study of the WEE1 inhibitor AZD1775 in SETD2-deficient advanced solid tumor malignancies. Journal Of Clinical Oncology 2023, 41: 3104-3104. DOI: 10.1200/jco.2023.41.16_suppl.3104.Peer-Reviewed Original ResearchClear cell renal cell carcinomaSolid tumor malignanciesClinical benefit rateObjective response rateDuration of responseTumor malignancyEvaluable ptsStable diseaseObjective responseAdverse eventsTumor regressionMetastatic clear cell renal cell carcinomaAdvanced solid tumor malignanciesMetastatic solid tumor malignanciesCommon adverse eventsDurable stable diseaseECOG PS 0RECIST 1.1 criteriaSubset of ptsPhase 2 studyCohort of patientsCell renal cell carcinomaNext-generation sequencing panelBest overall responseRenal cell carcinomaMirzotamab clezutoclax as monotherapy and in combination with taxane therapy in relapsed/refractory solid tumors: Dose expansion results.
Carneiro B, Perets R, Dowlati A, LoRusso P, Yonemori K, He L, Munasinghe W, Noorani B, Johnson E, Zugazagoitia J. Mirzotamab clezutoclax as monotherapy and in combination with taxane therapy in relapsed/refractory solid tumors: Dose expansion results. Journal Of Clinical Oncology 2023, 41: 3027-3027. DOI: 10.1200/jco.2023.41.16_suppl.3027.Peer-Reviewed Original ResearchNon-small cell lung cancerSmall cell lung cancerOverall response rateCommon adverse eventsRefractory solid tumorsCell lung cancerSCLC cohortBest overall responseAdverse eventsMonotherapy cohortTaxane therapyLung cancerSolid tumorsConfirmed overall response rateDose-expansion phaseOngoing phase 1Phase 2 dosePrior taxane therapyTolerable safety profileDisease control rateGrade 3/4 neutropeniaOpen-label studyDose-escalation phasePhase 1 studySingle-agent activityFirst-in-human study of oleclumab, a potent, selective anti-CD73 monoclonal antibody, alone or in combination with durvalumab in patients with advanced solid tumors
Bendell J, LoRusso P, Overman M, Noonan A, Kim D, Strickler J, Kim S, Clarke S, George T, Grimison P, Barve M, Amin M, Desai J, Wise-Draper T, Eck S, Jiang Y, Khan A, Wu Y, Martin P, Cooper Z, Elgeioushi N, Mueller N, Kumar R, Patel S. First-in-human study of oleclumab, a potent, selective anti-CD73 monoclonal antibody, alone or in combination with durvalumab in patients with advanced solid tumors. Cancer Immunology, Immunotherapy 2023, 72: 2443-2458. PMID: 37016126, PMCID: PMC10264501, DOI: 10.1007/s00262-023-03430-6.Peer-Reviewed Original ResearchConceptsTreatment-related adverse eventsPancreatic ductal adenocarcinomaColorectal cancerExpansion cohortHuman studiesResponse rateAnti-CD73 monoclonal antibodyProgression-free survival ratesTumor cellsMonoclonal antibodiesCommon being fatigueManageable safety profileObjective response rateAdvanced colorectal cancerAdvanced solid tumorsCell lung cancerPeripheral T cellsDate of registrationCD73 enzymatic activityAdverse eventsEscalation cohortsLocal immunosuppressionCD73 expressionSafety profileLung cancerTrial in progress: A phase 1, first-in-human, open-label, multicenter, dose-escalation and dose-expansion study of ASP3082 in patients with previously treated advanced solid tumors and KRAS G12D mutations.
Tolcher A, Park W, Wang J, Spira A, Janne P, Lee H, Gill S, LoRusso P, Herzberg B, Goldman J, Morgensztern D, Berlin J, Kasi A, Fujii H, Pelster M. Trial in progress: A phase 1, first-in-human, open-label, multicenter, dose-escalation and dose-expansion study of ASP3082 in patients with previously treated advanced solid tumors and KRAS G12D mutations. Journal Of Clinical Oncology 2023, 41: tps764-tps764. DOI: 10.1200/jco.2023.41.4_suppl.tps764.Peer-Reviewed Original ResearchKRAS G12DAdverse eventsLung cancerKRAS G12D mutationCancer cellsEastern Cooperative Oncology Group performance statusSolid tumorsNon-small cell lung cancerMetastatic solid tumor malignanciesSolid Tumors version 1.1Dose-escalation cohortsDose-expansion studyPhase 2 doseDisease control rateObjective response rateSerious adverse eventsAdvanced solid tumorsResponse Evaluation CriteriaDose-limiting toxicityPancreatic ductal cancerPhase 1 studyCell lung cancerDuration of responseSolid tumor malignanciesG12D mutationA First-in-Human Phase I Study of Milademetan, an MDM2 Inhibitor, in Patients With Advanced Liposarcoma, Solid Tumors, or Lymphomas
Gounder M, Bauer T, Schwartz G, Weise A, LoRusso P, Kumar P, Tao B, Hong Y, Patel P, Lu Y, Lesegretain A, Tirunagaru V, Xu F, Doebele R, Hong D. A First-in-Human Phase I Study of Milademetan, an MDM2 Inhibitor, in Patients With Advanced Liposarcoma, Solid Tumors, or Lymphomas. Journal Of Clinical Oncology 2023, 41: 1714-1724. PMID: 36669146, PMCID: PMC10022862, DOI: 10.1200/jco.22.01285.Peer-Reviewed Original ResearchConceptsMedian progression-free survivalDisease control rateProgression-free survivalControl rateDedifferentiated liposarcomaGrade 3/4 drug-related adverse eventsMurine double minute 2 inhibitorsSolid tumorsIntermittent scheduleDrug-related adverse eventsHuman Phase I StudyRandomized phase III trialPhase II doseAdvanced solid tumorsPhase III trialsIntermittent dosing scheduleSingle-agent activityPhase I studiesHuman phase IAdvanced liposarcomaAdverse eventsIII trialsDosing schedulesAdvanced cancerEfficacy analysis
2022
A Phase 1 First-in-Human Study of FS118, a Tetravalent Bispecific Antibody Targeting LAG-3 and PD-L1 in Patients with Advanced Cancer and PD-L1 Resistance.
Yap T, LoRusso P, Wong D, Hu-Lieskovan S, Papadopoulos K, Holz J, Grabowska U, Gradinaru C, Leung K, Marshall S, Reader C, Russell R, Sainson R, Seal C, Shepherd C, Germaschewski F, Gliddon D, Stern O, Young L, Brewis N, Kayitalire L, Morrow M. A Phase 1 First-in-Human Study of FS118, a Tetravalent Bispecific Antibody Targeting LAG-3 and PD-L1 in Patients with Advanced Cancer and PD-L1 Resistance. Clinical Cancer Research 2022, 29: 888-898. PMID: 36342102, DOI: 10.1158/1078-0432.ccr-22-1449.Peer-Reviewed Original ResearchConceptsDisease control rateLAG-3PD-L1Advanced cancerOverall disease control rateDisease controlPeripheral effector cellsPhase 2 doseSerious adverse eventsPhase 1 studySoluble LAG-3Tetravalent bispecific antibodyPrior regimensStable diseaseDose expansionMetastatic settingAdverse eventsPartial responseEffector cellsClinical benefitControl rateSustained elevationTitration designPharmacodynamic activityHuman studiesPhase 1 trial of TIM-3 inhibitor cobolimab monotherapy and in combination with PD-1 inhibitors nivolumab or dostarlimab (AMBER).
Falchook G, Ribas A, Davar D, Eroglu Z, Wang J, Luke J, Hamilton E, Di Pace B, Wang T, Ghosh S, Dhar A, Borgovan T, Waszak A, LoRusso P. Phase 1 trial of TIM-3 inhibitor cobolimab monotherapy and in combination with PD-1 inhibitors nivolumab or dostarlimab (AMBER). Journal Of Clinical Oncology 2022, 40: 2504-2504. DOI: 10.1200/jco.2022.40.16_suppl.2504.Peer-Reviewed Original ResearchTreatment-related treatment-emergent adverse eventsNon-small cell lung cancerPD-1 inhibitor nivolumabTreatment-emergent adverse eventsTumor-infiltrating T cellsPreliminary anti-tumor activityPhase 2 doseOpen-label studyPD-1 inhibitorsAdvanced solid tumorsPhase 2 studyDose-proportional mannerPhase 1 trialT cell suppressionCell lung cancerTherapeutic dose rangeMost common cancersAnti-tumor activityDose delaysPrior therapyInhibitor nivolumabPrimary endpointTim-3Adverse eventsPeritoneal mesothelioma
2021
493 First-in-human phase 1/2 trial to evaluate the safety and initial clinical activity of DuoBody®-CD40×4–1BB (GEN1042) in patients with advanced solid tumors
Johnson M, Lopez J, LoRusso P, Bauman J, Haggstrom D, Lagkadinou E, Bajaj G, Türeci Ö, Adams H, Şahin U, Fu Y, Ahmadi T, Rohrberg K. 493 First-in-human phase 1/2 trial to evaluate the safety and initial clinical activity of DuoBody®-CD40×4–1BB (GEN1042) in patients with advanced solid tumors. Journal For ImmunoTherapy Of Cancer 2021, 9: a525-a525. DOI: 10.1136/jitc-2021-sitc2021.493.Peer-Reviewed Original ResearchAdvanced solid tumorsDose-limiting toxicityAdverse eventsSolid tumorsPartial responseLung cancerAntitumor activityNon-CNS solid tumorsTreatment-related adverse eventsEffector memory T cellsDrug-related gradeInitial clinical activityPD-1 inhibitorsPhase 1/2 trialTumor-specific immunityMemory T cellsCell lung cancerFavorable safety profilePreliminary antitumor activityNeuroendocrine lung cancerBest overall responseEnd of infusionCommon cancer typesEthics committees/institutional review boardsInstitutional review board484 Preliminary efficacy of the IL-15 superagonist SO-C101 in combination with pembrolizumab in patients with advanced/metastatic solid tumors
Garralda E, Galvao V, Champiat S, LoRusso P, Grell P, Naing A, Janku F, Sachse R, Bechard D, Kiemle-Kallee J, Marabelle A, Garralda E. 484 Preliminary efficacy of the IL-15 superagonist SO-C101 in combination with pembrolizumab in patients with advanced/metastatic solid tumors. Journal For ImmunoTherapy Of Cancer 2021, 9: a514-a514. DOI: 10.1136/jitc-2021-sitc2021.484.Peer-Reviewed Original ResearchStudy drug-related adverse eventsDrug-related adverse eventsCytokine release syndromeDose-limiting toxicityAdverse eventsCommon study drug-related adverse eventsAnti-programmed cell death protein 1 antibodyGrade 3 cytokine release syndromeSolid tumorsCell death protein 1 antibodyAnti-PD-1 therapyLong-term stable diseaseLocal injection site reactionsSkin squamous cell carcinomaPhase 2 dosePrevious systemic therapyTreatment-related deathsInjection site reactionsMetastatic solid tumorsAdditional clinical benefitDose-escalation designProtective memory responsesProtein 1 antibodySquamous cell carcinomaAvailable safety data502 Recommended phase 2 dose, pharmacokinetics, pharmacodynamics, and preliminary efficacy of the IL-15 superagonist SO-C101 as monotherapy in patients with advanced/metastatic solid tumors
Marabelle A, Champiat S, Galvao V, Naing A, Janku F, LoRusso P, Grell P, Sachse R, Bechard D, Kiemle-Kallee J, Garralda E. 502 Recommended phase 2 dose, pharmacokinetics, pharmacodynamics, and preliminary efficacy of the IL-15 superagonist SO-C101 as monotherapy in patients with advanced/metastatic solid tumors. 2021, a534-a534. DOI: 10.1136/jitc-2021-sitc2021.502.Peer-Reviewed Original ResearchPhase 2 doseDose-limiting toxicityAdverse eventsPartial responseStable diseaseTransaminase increaseSolid tumorsDrug-related adverse eventsIL-15 receptor αCutaneous squamous cell carcinomaLocal injection site reactionsPrevious systemic therapyResults Thirty patientsSignificant partial responseTreatment-related deathsCommon adverse eventsFlu-like syndromeRelated adverse eventsInjection site reactionsMetastatic solid tumorsAdditional clinical benefitDose-escalation designSquamous cell carcinomaDose-dependent increaseT cell activationPhase 1 Study of Entinostat and Nivolumab with or without Ipilimumab in Advanced Solid Tumors (ETCTN-9844)
Roussos Torres ET, Rafie C, Wang C, Lim D, Brufsky A, LoRusso P, Eder JP, Chung V, Downs M, Geare M, Piekarz R, Streicher H, Anforth L, Rudek MA, Zhu Q, Besharati S, Cimino-Mathews A, Anders RA, Stearns V, Jaffee EM, Connolly RM. Phase 1 Study of Entinostat and Nivolumab with or without Ipilimumab in Advanced Solid Tumors (ETCTN-9844). Clinical Cancer Research 2021, 27: clincanres.5017.2021. PMID: 34135021, PMCID: PMC8563383, DOI: 10.1158/1078-0432.ccr-20-5017.Peer-Reviewed Original ResearchConceptsCD8/FOXP3 ratioAdvanced solid tumorsAdverse eventsAddition of ICIFOXP3 ratioSolid tumorsGrade 3/4 adverse eventsRegulatory T cell ratioTreatment-related adverse eventsImmune checkpoint inhibitor efficacyTriple-negative breast cancerMulticenter phase I clinical trialPhase I clinical trialObjective response ratePhase II doseT cell ratioCheckpoint inhibitor efficacyPhase 1 studyCombination of entinostatHistone deacetylase inhibitor entinostatRECIST 1.1Primary endpointSecondary endpointsComplete responseDose escalationA phase I dose-escalation study of the MDM2-p53 antagonist BI 907828 in patients (pts) with advanced solid tumors.
LoRusso P, Gounder M, Patel M, Yamamoto N, Bauer T, Laurie S, Grempler R, Davenport T, Geng J, Rohrbacher M, Lahmar M. A phase I dose-escalation study of the MDM2-p53 antagonist BI 907828 in patients (pts) with advanced solid tumors. Journal Of Clinical Oncology 2021, 39: 3016-3016. DOI: 10.1200/jco.2021.39.15_suppl.3016.Peer-Reviewed Original ResearchDose-limiting toxicityAdvanced solid tumorsArm AAdverse eventsArm BSolid tumorsDay 1Phase I dose-escalation studyExperienced dose-limiting toxicityNon-hematologic adverse eventsTreatment-related adverse eventsI dose-escalation studyAntitumor activityBiomarkers GDF-15Dose-escalation partGrade 3 nauseaManageable safety profileMDM2-p53 antagonistsPreliminary PK dataDose-escalation studyPatient-derived xenograftsClearance/FCycle 1Favorable PK propertiesLogistic regression models