Severe and prolonged lymphopenia observed in patients treated with bendamustine and erlotinib for metastatic triple negative breast cancer
Layman R, Ruppert A, Lynn M, Mrozek E, Ramaswamy B, Lustberg M, Wesolowski R, Ottman S, Carothers S, Bingman A, Reinbolt R, Kraut E, Shapiro C. Severe and prolonged lymphopenia observed in patients treated with bendamustine and erlotinib for metastatic triple negative breast cancer. Cancer Chemotherapy And Pharmacology 2013, 71: 1183-1190. PMID: 23430121, PMCID: PMC3710373, DOI: 10.1007/s00280-013-2112-2.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Combined Chemotherapy ProtocolsBendamustine HydrochlorideBreast NeoplasmsCD4 Lymphocyte CountDose-Response Relationship, DrugErbB ReceptorsErlotinib HydrochlorideFemaleHumansLymphopeniaMiddle AgedNeoplasm MetastasisNitrogen Mustard CompoundsQuinazolinesSeverity of Illness IndexConceptsDose level 2Negative breast cancerCD4 countProlonged lymphopeniaBreast cancerMetastatic triple-negative breast cancerPurposeTriple-negative breast cancerEpidermal growth factor receptor expressionTriple-negative breast cancerEGFR tyrosine kinase inhibitorsDepressed CD4 countGrade 3/4 lymphopeniaDose level 1ECOG performance statusGrowth factor receptor expressionPhase I trialTyrosine kinase inhibitorsFactor receptor expressionHigh epidermal growth factor receptor (EGFR) expressionBendamustine combinationsConclusionsCombination therapyIntravenous bendamustineOral erlotinibPrior chemotherapyMetastatic disease