Targeted Alpha Radioimmunotherapy with Haploidentical Bone Marrow Transplantation for AML
靶向α放射免疫疗法与单倍相合骨髓移植治疗AML
基本信息
- 批准号:9034393
- 负责人:
- 金额:$ 16.9万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2015
- 资助国家:美国
- 起止时间:2015-09-23 至 2020-08-31
- 项目状态:已结题
- 来源:
- 关键词:90YAcuteAcute Myelocytic LeukemiaAddressAdvisory CommitteesAllogenicAntibodiesAntineoplastic AgentsApoptosisAstatineB-LymphocytesBasic ScienceBiodistributionBloodBone MarrowBone Marrow TransplantationCell Cycle ArrestCell TransplantsChimerismClinicalClinical SciencesDNA DamageDNA Double Strand BreakDNA RepairDendritic CellsDepositionDevelopment PlansDiseaseDoseDrug KineticsEngraftmentFred Hutchinson Cancer Research CenterFutureHLA AntigensHaplotypesHealthHematologic NeoplasmsHematopoieticHematopoietic NeoplasmsI131 isotopeImaging TechniquesImaging technologyImmunofluorescence ImmunologicImmunologyImmunosuppressionInterventionKineticsLatinoLengthLeukemic CellLocationMarrowMediator of activation proteinMentored Research Scientist Development AwardMentorsMicroscopicMinority GroupsModalityModelingMonoclonal AntibodiesMusOrganOutcomePTPRC genePatientsPharmacodynamicsPharmacy facilityPhysiciansPrior ChemotherapyProceduresRadiationRadioimmunotherapyRadioisotopesRadiolabeledRegimenRegulationRelapseResearchResearch PersonnelResourcesScientistSiteSpleenStem cellsSurvival RateTechniquesTherapeutic InterventionTissuesToxic effectTrainingTranslationsTransplant RecipientsTransplantationUniversitiesWashingtonWestern BlottingWhole-Body Irradiationbasecancer carecareercareer developmentchemotherapyconditioningdigitaldisorder controlethnic minority populationhematopoietic cell transplantationhigh riskimprovedinterestleukemialeukemia treatmentleukemia/lymphomamouse modelnovelparticlepre-clinicalpreclinical studyprofessorradiation absorbed doseradiotracersound
项目摘要
DESCRIPTION (provided by applicant): Despite the curative promise of hematopoietic cell transplant (HCT), many AML patients will relapse while others may not have a fully matched donor, an especially acute problem in ethnic minority groups. We aim to overcome these limitations using a novel radioimmunotherapy (RIT) strategy for haploidentical HCT, requiring only one matched HLA haplotype using our preclinical murine syngeneic AML model. We have shown that RIT using 90Y- and 131I-radiolabeled anti-CD45 antibody targets radiation to sites of leukemia to amplify the radiation to targeted tissues while minimizing non-specific toxicities. However, radionuclides used thus far have limitations, for which we propose to improve current AML treatment options by using the higher energy radionuclide astatine-211 (211At) in targeted anti-CD45 RIT in lieu of total body irradiation during haploidentical HCT. This proposal will: Aim 1: To compare the engraftment kinetics, toxicities, and survival observed with 211At-anti-CD45 RIT for haploidentical HCT with that observed using either 90Y-anti-CD45 RIT or standard TBI in a murine leukemia model. Aim 2: To evaluate the microscopic biodistribution of alpha- and beta-emitters in spleen and bone marrow of leukemic mice using novel digital autoradiographic imaging technologies, and estimate the radiation requirements that facilitate disease control and engraftment from haploidentical HCT delivered by 211At- and 90Y-anti-CD45 RIT. Aim 3: To characterize the magnitude and mechanism of cellular damage induced by the alpha- and beta-emitters, 211At and 90Y, when targeted to leukemic cells by anti-CD45 RIT in a disseminated murine AML model. We anticipate these preclinical studies to define a novel haploidentical HCT conditioning regimen using 211At- anti-CD45 RIT without TBI that will be less toxic than current approaches, yet facilitate hematopoietic engraftment from haploidentical donors. These aims will not only define the minimum absorbed radiation dose of target tissues required for haploidentical engraftment using novel digital autoradiographic imaging techniques, elucidate the mechanism of cellular damage, but also identify other potential therapeutic interventions to improve leukemia treatment options in future research. This NCI Mentored Research Scientist K01 Award proposal builds on prior results by Dr. Orozco in optimizing radionuclides for anti-CD45 RIT, and is bolstered with a well thought out career development plan, with added translation and clinical training, with the guidance from his career advisory committee. The Committee is comprised of nationally prominent investigators such as: Dr. Orozco's mentor, Dr. Oliver W. Press, a physician scientist and undisputed leader in the field of radioimmunotherapy for hematologic malignancies; Dr. Jose Lopez, an established Latino physician scientist who is Chief Scientific Officer at the Bloodworks Northwest, formerly Puget Sound Blood Center; Dr. Janine McCune, Professor in the Department of Pharmacy at the UW, who is known for her research on pharmacokinetics and pharmacodynamics of anticancer agents; and Dr. Ed Clark, Professor in the Department of Immunology at the UW, who is known for his research on B lymphocyte and dendritic cell regulation. The Fred Hutchinson Cancer Research Center, the University of Washington, and the Seattle Cancer Care Alliance have a wealth of resources, clinical and basic science investigators, making Seattle an ideal location from which to embark on a career to become a successful independent investigator at the bench optimizing antibody based therapy options for hematologic malignancies, and opportunities to improve outcomes in haploidentical HCT.
描述(申请人提供):尽管造血细胞移植(HCT)有望治愈,但许多AML患者会复发,而其他人可能没有完全匹配的捐赠者,这在少数民族群体中是一个特别严重的问题。我们的目标是使用一种新的放射免疫疗法(RIT)策略来克服这些限制,利用我们的临床前小鼠同基因AML模型,只需要一个匹配的HLA单倍型就可以治疗半相合的HCT。我们已经证明,使用90Y和131I标记的抗CD45抗体的RIT将辐射靶向白血病部位,以放大对靶组织的辐射,同时将非特异性毒性降至最低。然而,迄今为止使用的放射性核素具有局限性,为此,我们建议在半相合HCT期间使用更高能量的放射性核素ASTATIN211(211At)作为靶向抗CD45RIT的替代全身照射来改善目前的AML治疗方案。这项建议将:目的1:比较~(211)At-抗CD45 RIT与90Y-抗CD45 RIT或标准TBI在小鼠白血病模型中的植入动力学、毒性和存活率。目的:应用新的数字放射自显影成像技术评价白血病小鼠脾和骨髓中α和β发射体的显微生物分布,并估计~(211)At和~(90)Y-抗CD45 RIT传递的半相合HCT促进疾病控制和植入所需的辐射需求。目的:在小鼠急性髓系白血病(AML)播散性模型中,研究α和β发射体211At和90Y在抗CD45RIT靶向白血病细胞时所致细胞损伤的程度和机制。我们期望这些临床前研究能够确定一种新的半相合的HCT预适应方案,该方案使用211At-抗CD45 RIT而不使用TBI,其毒性比目前的方法要小,但促进来自半相合供者的造血植入。这些目标不仅将确定使用新的数字放射自显影技术进行半相合植入所需的靶组织的最小吸收辐射剂量,阐明细胞损伤的机制,而且还将确定其他潜在的治疗干预措施,以改进未来研究中的白血病治疗方案。这份NCI指导的研究科学家K01奖提案建立在Orozco博士在优化抗CD45 RIT的放射性核素方面的先前成果的基础上,并得到了深思熟虑的职业发展计划的支持,并在他的职业咨询委员会的指导下增加了翻译和临床培训。该委员会由下列国家著名的调查人员组成:Orozco博士的导师Oliver W.Press博士,他是内科科学家,也是血液恶性肿瘤放射免疫治疗领域的无可争议的领导者;Jose Lopez博士,一位知名的拉丁裔内科科学家,也是西北血统(前身为Puget Sound血液中心)的首席科学官;UW大学药剂系教授Janine McCune博士,他以研究抗癌药物的药代动力学和药效学而闻名;以及UW大学免疫学系教授Ed Clark博士,他以B淋巴细胞和树突状细胞调节方面的研究而闻名。弗雷德·哈钦森癌症研究中心、华盛顿大学和西雅图癌症护理联盟拥有丰富的资源、临床和基础科学研究人员,这使西雅图成为一个理想的地点,从那里开始职业生涯,成为一名成功的独立研究员,在法官席上优化基于抗体的血液恶性肿瘤治疗方案,并有机会改善半相合红细胞移植的结果。
项目成果
期刊论文数量(0)
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科研奖励数量(0)
会议论文数量(0)
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Johnnie Jose Orozco其他文献
Johnnie Jose Orozco的其他文献
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{{ truncateString('Johnnie Jose Orozco', 18)}}的其他基金
Selective Radionuclide Delivery for Precise Bone Marrow Niche Alterations
选择性放射性核素输送以实现精确的骨髓生态位改变
- 批准号:
10727237 - 财政年份:2023
- 资助金额:
$ 16.9万 - 项目类别:
Combining Targeted RIT and Synergistic Novel Agents to Eradicate AML
结合靶向 RIT 和协同新型药物来根除 AML
- 批准号:
10669726 - 财政年份:2020
- 资助金额:
$ 16.9万 - 项目类别:
Combining Targeted RIT and Synergistic Novel Agents to Eradicate AML
结合靶向 RIT 和协同新型药物来根除 AML
- 批准号:
10601287 - 财政年份:2020
- 资助金额:
$ 16.9万 - 项目类别:
Combining Targeted RIT and Synergistic Novel Agents to Eradicate AML
结合靶向 RIT 和协同新型药物来根除 AML
- 批准号:
10409679 - 财政年份:2020
- 资助金额:
$ 16.9万 - 项目类别:
Combining Targeted RIT and Synergistic Novel Agents to Eradicate AML
结合靶向 RIT 和协同新型药物来根除 AML
- 批准号:
10033384 - 财政年份:2020
- 资助金额:
$ 16.9万 - 项目类别:
Targeted Alpha Radioimmunotherapy with Haploidentical Bone Marrow Transplantation for AML
靶向α放射免疫疗法与单倍相合骨髓移植治疗AML
- 批准号:
9752482 - 财政年份:2015
- 资助金额:
$ 16.9万 - 项目类别:
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