Research Topics
| Douglas S JohnsonSummaryAffiliation: Pfizer Global Research and Development Country: USA Publications
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Detail Information
Publications
Benzothiophene piperazine and piperidine urea inhibitors of fatty acid amide hydrolase (FAAH)Douglas S Johnson
Pfizer Global Research and Development, Ann Arbor, MI 48105, USA
Bioorg Med Chem Lett 19:2865-9. 2009..Several compounds showed in vivo activity in a rat complete Freund's adjuvant (CFA) model of inflammatory pain...
Strategies for discovering and derisking covalent, irreversible enzyme inhibitorsDouglas S Johnson
Pfizer Global Research and Development, Groton, CT 06340, USA
Future Med Chem 2:949-64. 2010..Emerging proteomic technologies offer a means to systematically discriminate safe (selective) versus deleterious (nonselective) covalent inhibitors and thus should inspire their future design and development...
Discovery of PF-00217830: aryl piperazine napthyridinones as D2 partial agonists for schizophrenia and bipolar disorderDouglas S Johnson
Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, USA
Bioorg Med Chem Lett 21:2621-5. 2011..This strategy led to identification of PF-00217830 (2) with robust inhibition of sLMA (MED=0.3mg/kg) and DOI-induced head twitches in rats (31% and 78% at 0.3 and 1mg/kg) with no catalepsy observed at the highest dose tested (10 mg/kg)...
Discovery and characterization of a highly selective FAAH inhibitor that reduces inflammatory painKay Ahn
Pfizer Global Research and Development, Groton, CT 06340, USA
Chem Biol 16:411-20. 2009..These data thus designate PF-3845 as a valuable pharmacological tool for in vivo characterization of the endocannabinoid system...
Mechanistic and pharmacological characterization of PF-04457845: a highly potent and selective fatty acid amide hydrolase inhibitor that reduces inflammatory and noninflammatory painKay Ahn
Pfizer Worldwide Research and Development, Groton, Connecticut, USA
J Pharmacol Exp Ther 338:114-24. 2011..Based on its exceptional selectivity and in vivo efficacy, combined with long duration of action and optimal pharmacokinetic properties, PF-04457845 is a clinical candidate for the treatment of pain and other nervous system disorders...
Design and synthesis of dihydrobenzofuran amides as orally bioavailable, centrally active γ-secretase modulatorsMartin Pettersson
Neuroscience Medicinal Chemistry, Pfizer Worldwide Research and Development, Groton, CT 06340, USA
Bioorg Med Chem Lett 22:2906-11. 2012..Lead compounds such as 35 and 43 have moderate to good in vitro potency and excellent selectivity against Notch. Good oral bioavailability was achieved as well as robust brain Aβ42 lowering activity at 100 mg/kg po dose...
The synthesis and in vivo evaluation of [18F]PF-9811: a novel PET ligand for imaging brain fatty acid amide hydrolase (FAAH)Marc B Skaddan
Pfizer Worldwide Research and Development, Pfizer Inc, Eastern Point Road, Mail Stop 8274 1342, Groton, CT 06340, USA
Nucl Med Biol 39:1058-67. 2012..We report here the synthesis and in vivo evaluation of [(18)F]PF-9811, a novel PET ligand for non-invasive imaging of FAAH in the brain...
Novel mechanistic class of fatty acid amide hydrolase inhibitors with remarkable selectivityKyunghye Ahn
Pfizer Global Research and Development, Ann Arbor, Michigan 48105, USA
Biochemistry 46:13019-30. 2007....
Cerebrospinal fluid amyloid-β (Aβ) as an effect biomarker for brain Aβ lowering verified by quantitative preclinical analysesYasong Lu
MS 220 4546, Department of Pharmacokinetics, Dynamics and Metabolism, Pfizer Worldwide Research and Development, Eastern Point Road, Groton, CT 06340, USA
J Pharmacol Exp Ther 342:366-75. 2012..We further discuss the implications of our findings to drug discovery and development with regard to preclinical PK/PD characterization and clinical prediction of Aβ lowering in the brain...
Novel γ-secretase modulators: a review of patents from 2008 to 2010Martin Pettersson
Pfizer Worldwide Research and Development, Neuroscience Medicinal Chemistry, Eastern Point Road, Groton, CT 06340, USA
Expert Opin Ther Pat 21:205-26. 2011..It will be important to gain a better understanding of the specific target(s) that these GSMs interact with in order to facilitate future drug design efforts...
Identification and SAR around N-{2-[4-(2,3-dihydro-benzo[1,4]dioxin-2-ylmethyl)-[1,4]diazepan-1-yl]-ethyl}-2-phenoxy-nicotinamide, a selective alpha2C adrenergic receptor antagonistSnahel D Patel
Pfizer Global Research and Development, Cambridge Laboratories, Cambridge, MA 02139, USA
Bioorg Med Chem Lett 18:5689-93. 2008..Structure-activity studies demonstrate the structural requirements for binding affinity, functional activity, and selectivity over other alpha(2)-AR subtypes...
