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A First-in-Human Phase I Clinical Trial of Mitochondrial-Targeted Hsp90 Inhibitor, Gamitrinib

A First-in-Human Phase I Clinical Trial of Mitochondrial-Targeted Hsp90 Inhibitor, Gamitrinib
线粒体靶向 Hsp90 抑制剂 Gamitrinib 的首次人体 I 期临床试验
批准号:
10472429
负责人:
Dario C Altieri
金额:
$31.63万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2021
资助国家:
美国
项目状态:
已结题
起止时间:
2021-08-20 至 2023-07-31
关键词:
Advanced Malignant NeoplasmAftercareAnimalsAntineoplastic AgentsAutophagocytosisBiochemicalBioenergeticsBiological MarkersBiopsyCell SurvivalClinicClinical ProtocolsClinical ResearchDataDefectDevelopmental Therapeutics ProgramDisease OutcomeDisease modelDoctor of MedicineDoseDose-LimitingDrug KineticsDrug resistanceEnvironmentEvaluationFRAP1 geneFox Chase Cancer CenterFundingGeneticGoalsHarvestHeat-Shock Proteins 90HeterogeneityImmunohistochemistryInstitutionIntravenous infusion proceduresLinkMaintenanceMalignant NeoplasmsMaximum Tolerated DoseMetabolic PathwayMetabolismMitochondriaMitochondrial MatrixMolecularMolecular ChaperonesMonitorNeoplasm MetastasisNormal tissue morphologyOncogenesOncogenicOrganellesPathway interactionsPatientsPeripheral Blood Mononuclear CellPharmaceutical PreparationsPharmacodynamicsPharmacologyPhasePhase I Clinical TrialsPhosphorylationPrimary NeoplasmPrincipal InvestigatorProgressive DiseasePropertyProteinsProtocols documentationSafetySchemeSignal InductionSignal TransductionStarvationStressStructureSurrogate MarkersTitrationsToxic effectTransgenic OrganismsTranslatingWestern BlottingXenograft procedureantagonistanticancer activitycancer therapyclinical infrastructurecohortcombinatorialcytotoxicdesignfirst-in-humanin vivoinhibitorintravenous administrationmetabolic profilenovelnovel anticancer drugopen labeloverexpressionpatient responsepreclinical developmentprogramsprotein foldingproteotoxicityresponsesmall moleculetargeted agenttargeted biomarkertargeted cancer therapytumortumor growthweek trial

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英文摘要
PROJECT SUMMARY  Targeting a single oncogenic pathway for cancer therapy is feasible but generally not very effective, as patient  responses are short-­lived, hampered by toxicity and invariably supplanted by progressive disease. An  alternative strategy is to target global cancer networks. This is expected to disable multiple mechanisms of  tumor growth at once, circumvent the emergence of drug resistance and be effective in disparate  malignancies, regardless of genetic or molecular heterogeneity. A pool of Heat Shock Protein-­90 (Hsp90)  chaperones localized in mitochondria orchestrates one such cancer network. Mitochondrial Hsp90s are  overexpressed in cancer, compared to normal tissues, support multiple mechanisms of tumor growth through  heightened protein folding, and confer worse disease outcome in the clinic. Unexpectedly, this pathway could  not be targeted pharmacologically, as none of the Hsp90 antagonists developed so far has the ability to  accumulate in mitochondria. For this reason, we developed Gamitrinib (GA mitochondrial matrix inhibitor), the  first-­in-­class, mitochondrial-­targeted, small molecule Hsp90 inhibitor. With a unique combinatorial structure,  Gamitrinib selectively accumulates in mitochondria, disrupts the organelle protein folding environment, and  shuts down multiple pathways of bioenergetics, metabolism, and cell survival required for tumor growth. In  turn, this translates in potent cytotoxic activity against heterogeneous tumors as monotherapy or in  combination, and inhibition of primary and metastatic tumor growth in xenograft and transgenic disease  models. Advanced solely through public funding, the preclinical development of Gamitrinib is now complete  (PIND #132453), showing favorable drug-­like properties, encouraging safety in two animal species, and a  unique signature of “cellular starvation” as biomarker of target inhibition, in vivo. Therefore, the hypothesis  that Gamitrinib provides the first subcellularly-­directed cancer therapy targeting a mitochondrial  network of tumor maintenance can be formulated, and will constitute the focus of the present application.  The first specific aim will support a first-­in-­human, phase I clinical trial of weekly intravenous infusion of  Gamitrinib in patients with advanced cancer. These studies will determine the maximum tolerated dose (MTD),  dose-­limiting toxicities (DLT) and pharmacokinetics of Gamitrinib using an accelerated dose-­escalation  protocol with expansion cohort at MTD. The second specific aim will characterize the pharmacodynamics of  Gamitrinib in pre-­ and post-­treatment tumor biopsies and peripheral blood mononuclear cells harvested from  the patient expansion cohort. These studies will profile the metabolic defects of Gamitrinib therapy and  evaluate a “cellular starvation” signature comprising inhibition of AMPK signaling, induction of autophagy,  modulation of proteotoxic stress and suppression of mTOR signaling. Overall, the proposal is designed to bring  to the clinic a novel anticancer agent with a unique mechanism of action and broad, “tumor-­agnostic” efficacy.
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会议论文
Wall Street Doesn't Believe in This Target.
华尔街不相信这个目标。
DOI: 10.1200/jco.22.00180
发表时间: 2022
期刊: Journal of clinical oncology : official journal of the American Society of Clinical Oncology
影响因子: --
作者: [Altieri,DarioC]
通讯作者: Altieri,DarioC
Augmenting T-cell immunotherapy outcomes in blood and solid tumor microenvironment in ART-suppressed HIV infection (immune/microenvironment)
  • 批准号:
    10620011
  • 项目类别:
  • 资助金额:
    $12.42万
  • 财政年份:
    2022
  • 负责人:
    Dario C Altieri
  • 依托单位:
A First-in-Human Phase I Clinical Trial of Mitochondrial-Targeted Hsp90 Inhibitor, Gamitrinib
  • 批准号:
    9668658
  • 项目类别:
  • 资助金额:
    $41.03万
  • 财政年份:
    2021
  • 负责人:
    Dario C Altieri
  • 依托单位:
Tumor Plasticity
  • 批准号:
    10474434
  • 项目类别:
  • 资助金额:
    $111.72万
  • 财政年份:
    2017
  • 负责人:
    Dario C Altieri
  • 依托单位:
Tumor Plasticity
  • 批准号:
    10248385
  • 项目类别:
  • 资助金额:
    $114.0万
  • 财政年份:
    2017
  • 负责人:
    Dario C Altieri
  • 依托单位:
海外基金