Personalized precision dosing of biologic therapies in oncology
Personalized precision dosing of biologic therapies in oncology
批准号:
9984616
负责人:
BRADLEY T MESSMER
金额:
$0.15万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2017
资助国家:
美国
项目状态:
已结题
起止时间:
2017-09-05 至 2020-08-31
关键词:
Autoimmune DiseasesB-Cell NonHodgkins LymphomaBedside TestingsBindingBinding SitesBiologicalBiological AssayBiological Response Modifier TherapyBloodBlood specimenBody Surface AreaCancer CenterChronic Lymphocytic LeukemiaClinicalClinical TrialsCollaborationsDataDetectionDevelopmentDevicesDoseDropsDrug ExposureDrug KineticsDrug MonitoringEnzyme-Linked Immunosorbent AssayEpitopesGoalsGoldGold ColloidHumanImmune checkpoint inhibitorImmunoassayImmunoglobulin IdiotypesLaboratoriesLateralLigandsLiquid substanceMeasurementMeasuresMethodsMonitorMonoclonal AntibodiesMultiple SclerosisOutcomePatientsPeptidesPharmaceutical PreparationsPhasePhysiciansPopulationPregnancy TestsReaderReagentRegimenSalesSamplingSerumSystemTechnologyTestingTherapeuticTherapeutic Monoclonal AntibodiesTimeTrastuzumabTreatment FailureTreatment outcomeValidationWorkantigen bindingbasebevacizumabcancer typeclinical developmentcostcost effectivedigitaldrug testingimprovedinnovationoncologypatient populationphase 2 studypoint of carepreventrituximabtherapy outcomevalidation studies
中文摘要
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英文摘要
Abstract
Rituximab is a monoclonal antibody (mAb) among the top 10 best-selling drugs, with global sales
estimated to exceed $7B in 2015. Rituximab is indicated to treat conditions including chronic
lymphocytic leukemia (CLL), B-cell non-Hodgkin's lymphoma, and various autoimmune disorders.
Population pharmacokinetic studies have revealed considerable differences in the final levels of
rituximab found in the blood after a course of therapy, and these levels correlate with therapeutic
outcomes. With current dosing regimens, a substantial fraction of the patients may not be receiving an
efficacious dose. During clinical development, laboratory-based tests are used to monitor rituximab
levels in patients, but these tests are not available to physicians after approval. Currently, there are no
point-of-care (POC) tests available to monitor the levels of rituximab in patients. The goal of this project
is to develop low cost POC devices that provide a quantitative measure of rituximab levels in blood.
These tests will help physicians personalize the dosing of patients and identify early rituximab treatment
failures resulting from low drug levels. Our core enabling technology platform is based on mimetope
peptides, termed VeritopesTM, that mimic the cognate ligand of a given mAb and specifically bind at the
antigen binding site. VeritopesTM are cheap, robust, and simple to integrate into lateral flow
immunoassay (LFA) that then enables inexpensive POC testing. In preliminary studies, we
demonstrated the feasibility of VeritopeTM-based LFA for the qualitative detection of rituximab,
trastuzumab, and bevacizumab levels in biologic fluids as well as the potential to develop quantitative
tests. In this Phase II project, we will complete the development of a CLIA-waivable rituximab monitoring
test that can be performed at the POC from a single drop of blood. We will integrate the LFA strips into
single-use, disposable digital LFA reader devices that can provide quantitative analysis of the test
strips. These devices will be validated in a clinical trial in partnership with UCSD Moores Cancer Center
using blood samples from patients treated with rituximab. The data generated during this Phase II study
will be incorporated in our technical data package to submit to FDA for clearance of our device, which
will be the first FDA cleared device for biologic drug monitoring at the POC.
This innovative product will fulfill of an unmet clinical need for a rapid, cost effective, and accurate dose
monitoring assay. Precision dosing through data-driven, personalized regimens will improve treatment
outcomes and maximize the efficient use of this and other monoclonal antibody therapeutics.
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