Ao.Univ.-Prof. Dr. Gerhard Ecker

Department of Medicinal Chemistry
Tel: +431-4277-55110; Fax: -9551; E-mail: gerhard.f.ecker@univie.ac.at
   
     
 

Emerging Field Pharmacoinformatics

 
 

 

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2006

  • Neuhaus W, Lauer R, Oelzant S, Fringeli UP, Ecker GF, Noe CR: "A novel flow based hollow-fiber blood-brain barrier in vitro model with immortalised cell line PBMEC/C1-2". J Biotechnol 125, 127-141 (2006)
  • Chiba P, Ecker GF, Kopp S, Mihalek I, Lichtarge O. "Role of transmembrane domain/transmembrane domain interfaces of P-glycoprotein (ABCB1) in solute transport. Convergent information from photoaffinity labeling, site directed mutagenesis and in silico importance preddiction" , Curr Med Chem 13, 793-805 (2006)

2005

  • D. Kaiser, M. Smiesko, S. Kopp, P. Chiba, G.F. Ecker: "Interaction field based and hologram based QSAR analysis of propafenone-type modulators of multidrug resistance", Med. Chem. 1: 431-444 (2005).
  • D. Kaiser, B. Zdrazil, G.F. Ecker: "Similarity based descriptors (SIBAR) - a tool for safe exchange of chemical information?", J. Comput.-Aided Mol. Design, in press
  • K. Pleban, D. Kaiser, S. Kopp, M. Peer, P. Chiba, G.F. Ecker: "Targeting drug-efflux pumps - a pharmacoinformatic approach", Acta Biochim. Polon. 52: 737-740 (2005).
  • G. F. Ecker: "In silico screening of promiscuous targets and antitargets", Chemistry Today 23: 39-42 (2005).
  • K. Pleban, G.F. Ecker: "Inhibitors of P-glycoprotein: Lead identification and optimisation", Minirev. Med. Chem. 5: 153-165 (2005).
  • G. F. Ecker, K. Pleban, S. Kopp, E. Csaszar, G. J. Poelarends, M. Putman, D. Kaiser, W. N. Konings, P. Chiba: “A three dimensional model for the substrate binding domain of the multidrug ABC transporter LmrA”, Mol. Pharmacol.67: 365-374 (2005).

2004

  • K. Pleban, A. Macchiarulo, G. Costantino, R. Pellicciari, P. Chiba, G.F. Ecker: “Homology model of the multidrug transporter LmrA from Lactococcus lactis”, Bioorg. Med. Chem. Lett. 14, 5823-5826 (2004)
  • M. Murias, N. Handler, T. Erker, K. Pleban, G. Ecker, P. Saiko, T. Szekeres, W. Jäger: “Resveratrol analogues as selective cyclooxygenase-2 inhibitors: synthesis and structure-activity relationship”, Bioorg. Med. Chem. 12, 5571-5578 (2004)
  • A. Macchiarulo, G. Costantino, M. Meniconi, K. Pleban, G. Ecker, D. Bellocchi, R. Pellicciari: “Insights into phenylalanine derivatives recognition of VLA-4 integrin: from a pharmacophoric study to 3D-QSAR and molecular docking analyses”, J. Chem. Inf. Comput. Sci., published online on July, 22 (2004)
  • G.F. Ecker, P. Chiba: "Development of modulators of multidrug resistance - a pharmacoinformatic approach", J. Pure Appl. Chem. 76, 997-1005 (2004).
  • K. Pleban, C. Hoffer, S. Kopp, M. Peer, P. Chiba, G.F. Ecker: "Intramolecular distribution of hydrophobicity influences pharmacological activity of propafenone-type MDR modulators", Arch. Pharm. Pharm. Med. Chem. 337, 328-334 (2004).
  • T. Langer, M. Eder, R.D. Hoffmann, P. Chiba, G.F. Ecker: “Lead identification for modulators of multidrug resistance based on in silico screening with a pharmacophoric feature model”, Arch. Pharm. Pharm. Med. Chem. 337, 317-327 (2004).
  • G.F. Ecker, C.R. Noe: "In silico prediction models for blood-brain barrier permeation", Curr. Med. Chem. 11, 1617-1628 (2004).
  • G.F. Ecker, P. Chiba: "Inhibitors of ABC-type Drug Efflux Pumps - an overview on the actual patent situation", Exp. Opin. Therapeutic Patents 14: 499-508 (2004).
  • R. Bauer, R. Lauer, B. Linz, F. Pittner, G. Peschek, G. Ecker, P. Friedl, C.R. Noe: "Development of an in vitro blood brain barrier model based on immortalized porcine brain microvascular endothelial cells", Il Farmaco 59, 133-137 (2004).
  • C.T. Klein, D. Kaiser, G. Ecker: "Topological distance based 3D descriptors for use in QSAR and diversity analysis", J. Chem. Inf. Comput. Sci. 44, 200-209 (2004)

2003

  • M. Schuetzer-Muehlbauer, B. Willinger, R. Egner, G. Ecker, K. Kuchler: “Reversal of antifungal resistance mediated by ABC efflux pumps from Candida albicans functionally expressed in yeast”, Int. J. Antimicrobial Agents 22: 291-300 (2003)
  • D. Schmid, D.L. Staudacher, H.G. Löw, P.G. Spieckermann, G.F. Ecker, S. Kopp, P. Chiba: “A subset of highly effective propafenone-type MDR-modulators lacks effects on cardiac action potential and mechanical twitch parameters of rat papillary muscles”, J Pharmacol. Exp. Ther. 307: 589-596 (2003)
  • G. Klopman, H. Zhu, G.F. Ecker, P. Chiba: “Structure-Activity study of the multidrug resistance reversal activity of propafenones”, J. Comp. Aided Molecular Design 17: 291-297
  • S. Rebitzer, D. Annibali, S. Kopp, M. Eder, T. Langer, P. Chiba, G.F. Ecker, C.R. Noe: "In silico sreening with benzofurane- and benzopyrane-type MDR-modulators", Il Farmaco 58: 185-191 (2003)

2002

  • C. Klein, D. Kaiser, S. Kopp, P. Chiba, G.F. Ecker: "Similarity based SAR (SIBAR) as tool for early ADME profiling", J. Comput. Aided Molecular Drug Design 16: 785-793
  • R. Bauer, R. Lauer, B. Linz, F. Pittner, G.A. Peschek, G.F. Ecker, P. Friedel, C.R. Noe: "An in vitro model for blood brain barrier permeation", Sci. Pharm. 70: 317-324 (2002)
  • P. Chiba, Th. Erker, M. Galanski, M. Hitzler, G.F. Ecker: "Synthesis and multidrug-resistance modulating activity of a series of thienothiazines", Arch. Pharm. Pharm. Med. Chem. 335: 223-228 (2002)
  • G.F. Ecker, E. Csaszar, S. Kopp, B. Plagens, W. Holzer, W. Ernst, P. Chiba: "Identification of ligand-binding regions of P-glycoprotein by activated-pharmacophore photoaffinity labeling and MALDI-TOF mass spectrometry", Mol. Pharmacol. 61: 637-648 (2002)
  • G.F. Ecker: "EUFEPS 2002 - New Safe Medicines Faster", IDrugs 5, 1134-1137 (2002)· G.F. Ecker: "Troxacitabine", Current Opinion in Investigational Drugs 3, 1533-1538 (2002)

2001

  • G. Ecker, P. Chiba: "Design and development of propafenone-type inhibitors of drug efflux pumps", Recent Res. Devel. Medicinal Chem. 1, 121-137 (2001)
  • B. Wailzer, J. Klocker, G. Buchbauer, G. Ecker, P. Wolschann: "Prediction of the aroma quality and the threshold values of some pyrazines using artificial neural networks", J. Med. Chem. 44, 2805-2813 (2001)
  • G. Ecker, H. Kalchhauser, L. Lawtrakul, P. Wolschann: "Levcromakalim revisited: NMR spectroscopic and theoretical investigations", Monatsh. Chemie 132, 373-386 (2001)
  • G.F. Ecker: "Linking genomic information with drug design", IDrugs 4, 1114-1115 (2001)

2000

  • H.-P. Buchstaller, C.D. Siebert, R.H. Lyssy, G. Ecker, M. Krug, M.L. Berger, R. Gottschlich, C.R. Noe: “Thieno[2,3-b]pyridones as Antagonists on the Glycine Site of the N-methyl-D-aspartate Receptor – Binding Studies, Molecular Modeling and Structure-Activity-Relationships”, Sci. Pharm. 68, 3-14 (2000)
  • D. Kaiser, C. Tmej, P. Chiba, K.-J. Schaper, G. Ecker: “Artificial Neural Networks in Drug Design II: Influence of Learning Rate and Momentum Factor on the Predictive Ability”, Sci. Pharm. 68, 57-64 (2000)
  • D. Annibali, G. Ecker, W. Fleischhacker, T. Helml, W. Holzer, C.R. Noe: “A Method for the Synthesis of 2,3-Disubstituted 2,3-Dihydrobenzofuranes”, Monatsh. Chemie 131, 375-382 (2000)
  • G. Ecker: "New agent design and action", IDrugs 3, 712-713 (2000)
  • G. Ecker: „Apicularene A and B“, Exp. Opin. Ther. Patents 10, 497-499 (2000)
  • G. Ecker, T. Langer, P. Chiba: „Design and Development of new Inhibitors of Drug Efflux Pumps“, Proceedings of the 4th Annual National Symposium on Computational Science and Engineering, March 27-29, 2000; p. 4-14

1999

  • C. Tmej, P. Chiba, K.-J. Schaper, G. Ecker, W. Fleischhacker: "Artificial Neural Networks as Versatile Tools for Prediction of MDR-Modulatory Activity", Adv. Exp. Med. Biol. 457, 95-105 (1999)
  • G. Ecker: “Patent focus on agents for tumour therapy: May – October 1999”, Exp. Opin. Ther. Patents 9, 1627-1639 (1999)
  • G. Ecker, M. Huber, D. Schmid, P. Chiba: "The Importance of a Nitrogen Atom in Modulators of Multidrug Resistance", Mol. Pharmacol. 56, 791-796 (1999)
  • R. Hiessböck, C. Wolf, E. Richter, M. Hitzler, P. Chiba, M. Kratzel, G. Ecker: "Synthesis and Multidrug Resistance Modulating Activity of a Series of Dihydrobenzopyrans and Tetrahydroquinolines", J. Med. Chem. 42, 1921-1926 (1999)
  • D. Schmid, G. Ecker, E. Richter, M. Hitzler, P. Chiba: "Structure-Activity Relationship Studies of Propafenone Analogs based on P-Glycoprotein ATPase Activity Measurements", Biochem. Pharmacol. 58, 1447-1456 (1999)
  • G.Ecker: “KRN-2391“, Current Opinion in Cardiovascular, Pulmonary & Renal Investigational Drugs 1, 619-629 (1999)
  • G. Ecker: “Drug transport pumps: from molecular biology and pharmacology to clinical implications“, IDrugs 2, 1256-1257 (1999)
  • G. Ecker: "Onconase", Curr. Oppin. Oncologic, Endocrine & Metabolic Invest. Drugs 1, 229-236 (1999)

1998

  • M. Spatzenegger, G. Ecker, W. Jäger: "Metabolism of the new MDR-Modifier AM05 by Human Liver Microsomes", Sci. Pharm. 66, 159-168 (1998)
  • M. Salem, E. Richter, M. Hitzler, P. Chiba, G. Ecker: "Studies on Propafenone-Type Modulators of Multidrug Resistance VIII: Synthesis and Pharmacological Activity of Indanone Analogues", Sci. Pharm. 66, 147-158 (1998)
  • C. Tmej, P. Chiba, M. Huber, E. Richter, M. Hitzler, K.-J. Schaper, G. Ecker: "A Combined Hansch/Free-Wilson Approach as Predictive Tool in QSAR Studies on Propafenone-Type Modulators of Multidrug Resistance", Arch. Pharm. Pharm. Med. Chem. 331, 233-240 (1998)
  • P. Chiba, W. Holzer, M. Landau, G. Bechmann, K. Lorenz, B Plagens, M. Hitzler, E. Richter, G. Ecker: "Substituted 4-Acylpyrazoles and -Pyrazolones: Synthesis and MDR-Modulating Activity", J. Med. Chem. 41, 4001-4011 (1998)
  • G. Ecker, W. Fleischhacker, C. Wolf, P. Weiß-Greiler, P. Wolschan: "A Quantum Chemical Study of Levcromakalim", Monatsh. Chemie 129, 633-642 (1998)
  • P. Chiba, S. Rebitzer, E. Richter, M. Hitzler, G. Ecker: "Synthesis and Pharmacological Activity of the Stereoisomeres of GP-88, a Propafenone-type Modulator of Multidrug Resistance", Bioorg. Med. Chem. Lett. 8, 829-832 (1998)
  • P. Chiba, D. Annibali, M. Hitzler, E. Richter, G. Ecker: "Studies on Propafenone-type Modulators of Multidrug Resistance, VI: Synthesis and Pharmacological Activity of Compounds with Varied Spacer Length between the Central Aromatic Ring and the Nitrogen Atom", Il Farmaco 53 (5), 357-364 (1998)
  • G. Riehs, G. Ecker, E. Urban: "Studies on the Absolute Configuration and the Enantiomeric Purity of the Antibiotic Heptelidic Acid", Sci. Pharm. 66, 199-204 (1998)
  • G. Ecker: "Ion channels and proteinase inhibition", IDrugs 1 (8), 870-872 (1998)

1997

  • G. Ecker, T. Helml: "Sodium Channel Modulators in Preclinical and Early Clinical Development", Ion Channel Modulators 2, 584-591 (1997)
  • I. Tumova, E. Racanska, J. Csöllei, G. Ecker, R. Otrusnik, P. Svec: "Pharmacological-Toxicological Evaluation of Some Newly Synthesized Analogues of Propafenone", (tschech.) Ces. Slov. Farm. 46, 133-136 (1997)
  • P. Chiba, B. Tell, W. Jäger, M. Spatzenegger, E. Richter, M. Hitzler, G. Ecker: "Studies on Propafenone-type Modulators of Multidrug-Resistance IV: Synthesis and Pharmacologic Activity of 5-Hydroxy- and 5-Benzyloxy-Derivatives", Arch. Pharm., Pharm. Med. Chem. 330, 343-347 (1997)
  • G. Ecker, P. Chiba: "Recent developments in overcoming tumour cell multi-drug resistance", Exp. Opin. Ther. Patents 7, 589-599 (1997)
  • P. Chiba, M. Hitzler, E. Richter, M. Huber, C. Tmej, G. Ecker: "Studies on Propafenone-type Modulators of Multidrug Resistance III: Variations on the Nitrogen", Quant. Struct.-Act. Rel. 16, 361-366 (1997)
  • G. Ecker, C.R. Noe, W. Fleischhacker: "Improved Synthesis of the Enantiomers of Propafenone using Chiral Building Blocks", Monatshefte Chemie 128, 53-39 (1997)
  • G. Ecker, P. Chiba, K.-J. Schaper: "Estimation of Chemosensitizing Activity of Modulators of Multidrug Resistance via Combined Simultaneous Analysis of Sigmoidal Dose-Response Curves", J. Pharm. Pharmacol. 49, 305-309 (1997)

1996

  • C. Wolf, P. Weiß-Greiler, P. Wolschan, G. Ecker, W. Fleischhacker: "Synthesis and Conformational Analysis of a Series of 1-Benzopyrano[3,4-b][1,4]oxazines Structurally Related to Cromakalim", Die Pharmazie 51, 836-839 (1996)
  • S. Prets, A. Jungreithmair, P. Chiba, G. Ecker: "Comparison of Different Methods for Estimation of Lipophilicity of Propafenone-Type Modulators of Multidrug Resistance", Sci. Pharm. 64, 627-636 (1996)
  • G. Ecker, P. Chiba, M. Hitzler, D. Schmid, K. Visser, H.P. Cordes, J. Csöllei, J.K. Seydel, K.-J. Schaper: "Structure-Activity Relationship Studies on Benzofurane Analogs of Propafenone-Type Modulators of Tumor Cell Multidrug Resistance", J. Med. Chem. 39 (24), 4767-4774 (1996)
  • G. Ecker, E. Mohr, R. Geyer, W. Fleischhacker: "Enantioseparation of Propafenone-Type Modulators of Multidrug-Resistance on Cyclodextrin Based Chiral Stationary Phases", Sci. Pharm. 64, 1-11 (1996)
  • M. Spatzenegger, G. Ecker, W. Jäger: "Determination of the new MDR-modifier PFP 6 and its metabolites in human liver microsomes by high performance liquid chromatography", Biomed. Chromatogr. 10, 127-130 (1996)
  • P. Chiba, G. Ecker, D. Schmid, J. Drach, B. Tell, S. Goldenberg, V.Gekeler: "Structural Requirements for Activity of Propafenone Type Modulators in PGP-Mediated Multidrug Resistance", Mol. Pharmacol. 49, 1122-1130 (1996)

1995

  • G. Ecker, P. Chiba: "Structure-Activity-Relationship Studies on Modulators of the Multidrug Transporter P-Glycoprotein - an Overview", Wien. Klin. Wochenschr. 107, 681-686 (1995)
  • C. Studenik, R. Lemmens-Gruber, P. Heistracher, G. Ecker, A. Maxl, W. Fleischhacker: "Electromechanical Effects of newly synthetized Propafenone Derivatives on isolated Guinea Pig Heart Mucle Preparations", Arzneim. Forsch. 46, 134-138 (1996)
  • P. Chiba, S. Burghofer, E. Richter, B. Tell, A. Moser, G. Ecker: "Synthesis, Pharmacologic Activity and Structure-Activity-Relationships of a Series of Propafenone-Related Modulators of Multi-Drug-Resistance", J. Med. Chem. 38, 2789-2793 (1995)
  • G. Ecker, W. Fleischhacker, T. Helml, C.R. Noe, C. Studenik, B. Schade, P. Heistracher: "Synthese und pharmakodynamische Aktivität von 2-(3-(2-Phenylethyl)benzofuran-2-yl)-N-propyl-ethanamin", Arch. Pharm. 328, 343-348 (1995)

1994

  • I. Tumova, E. Racanska, P. Svec, J. Csöllei, G. Ecker: "Preparation and Pharmacological Profile of some newly synthesized Analogues of Propafenone" (tschech.), Ces. a Slov. Farm. 43, 229-232 (1994)
  • G. Ecker, W. Fleischhacker, C.R. Noe: "New Benzofurane-Type Antiarrhythmic Compounds Related to Propafenone", Heterocycles 38, 1247-1256 (1994)
  • G. Ecker, W. Fleischhacker, C.R. Noe: "Ein Verfahren zur Synthese der Enantiomere von Propafenon", Arch. Pharm. 327, 691-695 (1994)
  • G. Ecker, W. Fleischhacker, T. Helml, C.R. Noe, S. Scasny, R. Lemmens-Gruber, C. Studenik, H. Marei, P. Heistracher: "Improved Synthesis and Pharmacologic Activity of the Enantiomers of a New Benzofurane Type Antiarrhythmic Compound", Chirality 6, 329-336 (1994)

1993

  • G. Albrecht, G. Ecker, I. Tumova: "Herstellung und antiphlogistische Aktivität neuer 1-Benzoxepin-5-on-Derivate", Sci.Pharm. 61, 161-168 (1993)
  • L. Jirovetz, G. Ecker, W. Jäger, T. Heiss: "Untersuchungen des Gehalts verschiedener Zwiebelchargen an Blei, Cadmium, Quecksilber und Selen mittels Atomabsorpions-Spektroskopie", Ernährung 17, 265 (1993)