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Keith W. Ward
Researcher at GlaxoSmithKline
Publications - 45
Citations - 7044
Keith W. Ward is an academic researcher from GlaxoSmithKline. The author has contributed to research in topics: Bioavailability & Pharmacokinetics. The author has an hindex of 23, co-authored 45 publications receiving 5645 citations.
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Journal ArticleDOI
Molecular properties that influence the oral bioavailability of drug candidates.
Daniel F. Veber,Stephen R. Johnson,Hung-Yuan Cheng,Brian R. Smith,Keith W. Ward,Kenneth D. Kopple +5 more
TL;DR: Reduced molecular flexibility, as measured by the number of rotatable bonds, and low polar surface area or total hydrogen bond count are found to be important predictors of good oral bioavailability, independent of molecular weight.
Journal ArticleDOI
A comprehensive quantitative and qualitative evaluation of extrapolation of intravenous pharmacokinetic parameters from rat, dog, and monkey to humans. I. Clearance.
Keith W. Ward,Brian R. Smith +1 more
TL;DR: Allometric scaling approaches were less successful at predicting human clearance than methods based on clearance as a set fraction of liver blood flow from an individual species, and commonly used prospective measures of allometric scaling success failed to discriminate between successful and failed allometric predictions.
Journal ArticleDOI
Identification of a Selective Nonpeptide Antagonist of the Anaphylatoxin C3a Receptor That Demonstrates Antiinflammatory Activity in Animal Models
Robert S. Ames,David Lee,James J. Foley,A. J. Jurewicz,Mark A. Tornetta,Wilfried Bautsch,B. Settmacher,Andreas Klos,Karl F. Erhard,R. D. Cousins,A.C. Sulpizio,J. P. Hieble,G. McCafferty,Keith W. Ward,Adams Jl,William E. Bondinell,Underwood Dc,Osborn Rr,Alison M. Badger,Henry M. Sarau +19 more
TL;DR: A chemical lead that selectively inhibited the C3aR in a high throughput screen was identified and chemically optimized, and the resulting antagonist, N2-[(2,2-diphenylethoxy)acetyl]-l-arginine (SB 290157), functioned as a competitive antagonist of 125I-C3a radioligand binding to rat basophilic leukemia (RBL)-2H3 cells expressing the human C3iR.
Journal ArticleDOI
A comprehensive quantitative and qualitative evaluation of extrapolation of intravenous pharmacokinetic parameters from rat, dog, and monkey to humans. ii. volume of distribution and mean residence time
Keith W. Ward,Brian R. Smith +1 more
TL;DR: Estimating human volume and mean residence time based on monkey data alone was the most accurate approach evaluated and the value of the monkey as a species for pharmacokinetic lead optimization was confirmed.
Journal ArticleDOI
Discovery of orally active nonpeptide vitronectin receptor antagonists based on a 2-benzazepine Gly-Asp mimetic.
W.H. Miller,Doreen Alberts,Pradip K. Bhatnagar,William E. Bondinell,James F. Callahan,Raul R. Calvo,R. D. Cousins,Karl F. Erhard,Dirk A. Heerding,Richard M. Keenan,Chet Kwon,Manley Peter J,Kenneth A. Newlander,Stephen T. Ross,J. Samanen,Irene N. Uzinskas,Joseph W. Venslavsky,Chuan-Kui Yuan,R. C. Haltiwanger,M. Gowen,S M Hwang,Ian E. James,M.W. Lark,David J. Rieman,George B. Stroup,Leonard M. Azzarano,Kevin L. Salyers,Brian R. Smith,Keith W. Ward,Kyung O. Johanson,William F. Huffman +30 more