R. Yeager

Publications15
h-index10
Citations509
Highly Influential Citations27
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An Unexpected Synergist Role of P-Glycoprotein and Breast Cancer Resistance Protein on the Central Nervous System Penetration of the Tyrosine Kinase Inhibitor Lapatinib…
TLDR
Findings suggest that Pgp and Bcrp work in concert to limit the brain-to-plasma ratio of lapatinib in mice, which has important potential consequences for the treatment of brain tumors in breast cancer patients treated with tyrosine kinase inhibitors as well as the basic understanding of ATP binding cassette transporters expressed in the blood-brain barrier on the central nervous system disposition of drugs.
Evaluation of a chimeric (uPA+/+)/SCID mouse model with a humanized liver for prediction of human metabolism
TLDR
The results of this and other studies suggest that while limitations for prediction of human metabolism and disposition exist, humanized chimeric mouse models can potentially represent informative new tools in drug discovery and development.
Pharmacokinetic parameters and mechanisms of inhibition of rat type 1 and 2 steroid 5alpha-reductases: determinants for different in vivo activities of GI198745 and finasteride in the rat.
Arterial drug infusion with extracorporeal removal. II. Internal carotid carmustine in the rhesus monkey.
TLDR
It is suggested that tumor exposure to BCNU comparable to that associated with very high tumor cell kill in vitro may be feasible with little or no systemic toxicity during cancer chemotherapy by intra-arterial drug administration.
Sorption/desorption of [14C] efrotomycin with soils.
The sorption and subsequent desorption of efrotomycin, which is being developed as a growth promoter in swine, was investigated in five soils of various physical and chemical properties. Sorption…
Rapid GC method for quantitation of nifedipine in serum using electron capture detection.
TLDR
A rapid, specific, reliable gas chromatographic assay procedure for nifedipine in serum is developed and separates it reproducibly from its nitro- and nitrosopyridine derivatives.
Kinetics of chlorambucil hydrolysis using high-pressure liquid chromatography.
TLDR
Kinetic evidence is presented to show that the mechanism of chloride stabilization involves the attack of chloride ion on the unstable cyclic ethyleneimmonium intermediate to give back I.
Quantitation of 6-mercaptopurine in biologic fluids using high-performance liquid chromatography: a selective and novel procedure.
Quantitation of 1,3-bis(2-chloroethyl)-1-nitrosourea in plasma using high-performance liquid chromatography.
Reduced systemic drug exposure by combining intra-arterial chemotherapy with hemoperfusion of regional venous drainage.
TLDR
Hemoperfusion of the jugular blood during intracarotid infusion reduced the systemic exposure by 56% to 87% and increased total body clearance of BCNU by two- to eightfold.
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