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Dissertations / Theses on the topic 'Drugs design'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 July 2024

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1

Attardo, Giorgio G. (Giorgio Giovanni). "Drug design and synthesis of novel heteroanthracycline antitumor drugs." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74641.

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Novel heteroanthracycline antitumor drugs were designed based on structure activity relationship studies and known mechanisms of drug action. Their preparation required the development of a general synthetic approach.<br>After extensive studies, three methodologies were developed for the general synthetic plan. The first method involved photoenolisation of 2,5-dimethoxybenzaldehyde and SO$ sb2$ entrapment of the o-quinodimethane to give 4,7-dimethoxy-1-hydroxy-1,3-dihydrobenzo(2,3-c) thiophene-2,2-dioxide. This compound served as a general intermediate towards the synthesis of several heteroan

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2

Zhang, Huarui. "Design, synthesis and activity evaluation of novel exosome inhibitors." HKBU Institutional Repository, 2020. https://repository.hkbu.edu.hk/etd_oa/849.

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Background: Exosomes are extracellular vesicles (EVs) that produced in the endosomal compartment of most eukaryotic cells, and have observed increasing attentions over the past decades. They play important roles in cell- to-cell communications, they can carry varieties of substances, like proteins, nucleic acids and lipids, to the target cells they encounter. These cargos could influence the function of recipient cells. This novel mode of intercellular communication is found to be of critical importance to many cellular activities. However, exosomes are involved in various diseases processes.

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3

McCallum, Emma Clare. "Adaptive phase II clinical trial design using nonlinear dose-response models." Thesis, University of Cambridge, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709013.

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4

Ma, Haiqiu. "The formulation, manufacture and evaluation of capsules containing freeze-dried aqueous extracts of Leonotis Leonorus or Mentha Longifolia." Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_3777_1181559333.

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<p>Leonotis leonorus and Mentha longifolia are two herbs commonly used in South Africa, mostly in oral liquid dosage forms. Several disadvantages are associated with these traditional dosage forms which can perhaps be remedied by using an appropriate oral solid dosage form, provided the actual plant material in the latter still resemble, as closely as possible, the traditionally used material and provide products of suitable pharmaceutical quality. The objectives of this study were to prepare and evaluate the pharmaceutical suitability of the freeze-dried aqueous extracts of Leonotis Leonorus

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5

Gustafsson, Jörgen. "Synthesis of cyclohexenedicarbaldehydes and studies of their biologic activity." Lund : Organic Chemistry 2, Lund Institute of Technology, University of Lund, 1994. http://books.google.com/books?id=ULpqAAAAMAAJ.

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6

Moorad, Razia. "Computer-aided drug design and the biological evaluation of anti-cancer drugs." Doctoral thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/20715.

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Computer-aided drug design has become a promising alternative to high-throughput screening by identifying potential hits in silico for in vitro evaluation. In this study a combination of ligand-based and structure-based virtual screening was performed to identify in silico hits. This was based on finding similar inhibitors to 6-amino-4-(4-phenoxyphenylethylamino) quinazoline, a potent inhibitor of the Nuclear Factor kappa B (NF-κB), a transcription factor that has a pivotal role in cancer survival and Pentamidine, an anti-parasitic drug that has recently been demonstrated to possess tumour-kil

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7

IACUZZI, VALENTINA. "Design of detection systems for the therapeutic drug monitoring of anticancer drugs." Doctoral thesis, Università degli Studi di Trieste, 2020. http://hdl.handle.net/11368/2967986.

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Considerato che la maggior parte dei farmaci antitumorali risulta caratterizzata da un'alta variabilità interindividuale nelle concentrazioni plasmatiche, che si riflette sull'efficacia del trattamento, durante il progetto di dottorato qui descritto sono state sviluppate tecniche per il loro monitoraggio terapeutico (TDM). In primo luogo, è stato sviluppato, validato e cross-validato un metodo LC-MS/MS per la quantificazione di imatinib (IMA) e del suo metabolita attivo, norimatinib (norIMA), in pazienti affetti da tumore stromale gastrointestinale utilizzando la tecnica del dried blood spot (

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8

Gupta, Sona. "Rational design and delivery of peptide drugs." Thesis, Bangor University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323850.

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9

Soldevila, Barreda Joan Josep. "Design of catalytic organometallic anti-cancer drugs." Thesis, University of Warwick, 2014. http://wrap.warwick.ac.uk/63808/.

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This thesis is concerned with the design of organometallic half sandwich complexes which can catalyse the conversion of oxidised coenzyme nicotinamide adenine dinucleotide to its reduced form. The coenzyme pair NAD+/NADH is involved in many biological processes, such as regulation of the redox balance, and DNA repair. Disturbance of the NAD+/NADH ratio can lead to cell death. In particular, cancer cells are under constant oxidative stress and therefore might be more susceptible to changes in the NAD+/NADH levels. A series of neutral Ru(II) complexes of the type [(η6-arene)Ru(N,N’)(L)] (arene =

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10

Tripathi, Ashutosh. "DEVELOPMENT OF HINT BASED COMPUTATIONAL TOOLS FOR DRUG DESIGN: APPLICATIONS IN THE DESIGN AND DEVELOPMENT OF NOVEL ANTI-CANCER AGENTS." VCU Scholars Compass, 2009. http://scholarscompass.vcu.edu/etd/1866.

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The overall aim of the research is to develop a computational platform based on HINT paradigm for manipulating, predicting and analyzing biomacromolecular-ligand structure. A second synergistic goal is to apply the above methodology to design novel and potent anti-cancer agents. The crucial role of the microtubule in cell division has identified tubulin as an interesting target for the development of therapeutics for cancer. Pyrrole-containing molecules derived from nature have proven to be particularly useful as lead compounds for drug development. We have designed and developed a series o

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11

Deanda, Felix. "Development and application of software tools for computer-assisted drug design /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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12

Munday, Dale Leslie. "Design, development and evaluation of encapsulated oral controlled release theophylline mini-tablets." Thesis, Rhodes University, 1991. http://hdl.handle.net/10962/d1003255.

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Conventional solid dosage forms often lead to fluctuations which exceed the maximum safe therapeutic level and/or decline below the minimum effective level. It is recognised that many drugs for chronic administration should be administered on a schedule that maintains plasma drug concentration within the therapeutic window. Research in controlled release dosage forms aims at designing a system with a zero-order input (eg, ideally to deliver 8.33% of the dose per hour over a 12 hour duration), producing steady state plasma drug levels. Oral dministration of drugs prepared as a controlled releas

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13

Zhang, Liang. ""Fleximers" design and synthesis of a new class novel shape-modified nucleosides." Diss., Georgia Institute of Technology, 2003. http://hdl.handle.net/1853/26207.

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14

Young, Charlene Rebecca. "Rational drug design : an information driven approach to the design of an anthracycline analog /." [Boise, Idaho] : Boise State University, 2009. http://scholarworks.boisestate.edu/td/10/.

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15

Cochrane, Wolf. "In silico synthesis of analogous lead libraries for drug design by molecular enumeration." Diss., Pretoria : [s.n.], 2007. http://upetd.up.ac.za/thesis/available/etd-04212008-135220/.

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16

Haule, Ambrose Francis. "Design of tryptophan analogues as novel tryptanocidal drugs." Thesis, University of Sunderland, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277923.

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17

Searle, Natalie Louise. "Design and synthesis of novel endoperoxide antimalarial drugs." Thesis, University of Liverpool, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366699.

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18

Duffy, Judith Clare. "Design of novel non-steroidal anti-inflammatory drugs." Thesis, Liverpool John Moores University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.521744.

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19

White, Alex William. "The design of novel inhibitors of poly (ADP-ribose) polymerase to potentiate cytotoxic drugs." Thesis, University of Newcastle Upon Tyne, 1996. http://hdl.handle.net/10443/1025.

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The abundant nuclear enzyme poly (ADP-ribose)polymerase (P ARP) catalyses the formation of long homopolymeric chains of ADP-ribose, utilising NAD+ as a substrate, as the immediate cellular response to DNA damage. PARP recognises a damaged section of DNA and initiates polymer synthesis, which is believed to act as a signal to effect the repair of the lesion. A selective, potent PARP inhibitor could block the recognition, and hence repair, of DNA damage induced by cancer chemotherapy. Since increased DNA repair is regarded as a mechanism whereby tumour cells can become resistant to treatment, PA

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20

Lloyd, Edward John, and mikewood@deakin edu au. "A common structural basis for central nervous system drug design." Deakin University. School of Biological Sciences, 1986. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20050902.115505.

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The main theme of this thesis is that there is a common structural basis for drugs acting on the central nervous system (CNS), and that this concept may be used to design new CNS-active drugs which have greater specificity and hence less side-effects. To develop these ideas, the biological basis of how drugs modify CMS neurotransmission is described, and illustrated using dopaminergic pathways. An account is then given of the use of physicochemical concepts in contemporary drug design. The complete conformational analysis of several antipsychotic drugs is used to illustrate some of these techn

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21

Schreiber, Kimberly C. M. "Assay development for use in drug discovery against Bovine Trichomoniasis." Scholarly Commons, 2007. https://scholarlycommons.pacific.edu/uop_etds/650.

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Bovine trichomoniasis is a venereal disease that affects cattle. The causative agent of this disease is Tritrichomonas foetus, a flagellated protozoan. There is no current FDA approved treatment for this disease. The purpose of this study was to develop new compound screening assays that will make the discovery of new compounds faster and more accurate. The CellTiter-Glo Luminescent Cell Viability Assay, a high throughput screening (HTS) assay from Promega, was found to be as affective at measuring cytotoxicity as traditional assaying techniques. For the first time. preen florescent protein. a

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22

Thovarai, Vishal. "In silico drug design of potential novel anti malarial agents /." Online version of thesis, 2009. http://hdl.handle.net/1850/8689.

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23

Canzoneri, Joshua Craig. "Interaction of small molecules with nucleic acid targets: from RNA secondary structure to the riobosome." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45769.

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Nucleic acids have proven to be viable targets for small molecule drugs. While many examples of such drugs are detailed in the literature, only a select few have found practical use in a clinical setting. These currently employed nucleic acid targeting therapies suffer from either debilitating off-target side effects or succumb to a resistance mechanism of the target. The need for new small molecules that target nucleic acids is evident. However, designing a novel drug to bind to DNA or RNA requires a detailed understanding of exactly what binding environments each nucleic acid presents. In an

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24

Chieng, Heng Liang Norman, and n/a. "Amorphous drug preparation using ball milling." University of Otago. School of Pharmacy, 2008. http://adt.otago.ac.nz./public/adt-NZDU20081209.162001.

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Polymorphism and crystallinity are now recognised as important issues in drug development. This is shown by the increased amount of research in this area over recent years. In pharmaceutical development milling is an important unit operation for size reduction to improve powder handling, processing and dissolution rate. The aim of this thesis was to investigate the effect of ball milling (and cryo-milling) on the solid state properties, including amorphous drug formation, of pharmaceutical solids. Milling was carried out using an oscillatory ball mill (Mixer Mill MM301, Retsch GmbH & Co., Ge

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25

Yeap, S. K. "The design of tyrosinase inhibitors as novel chemotherapeutic agents." Thesis, University of Sunderland, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378608.

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26

Athri, Prashanth. "Application of Computer-Aided Drug Discovery Methodologies Towards the Rational Design of Drugs Against Infectious Diseases." Digital Archive @ GSU, 2008. http://digitalarchive.gsu.edu/chemistry_diss/20.

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Computer-aided drug discovery involves the application of computer science and programming to solve chemical and biological problems. Specifically, the QSAR (Quantitative Structure Activity Relationships) methodology is used in drug development to provide a rational basis of drug synthesis, rather than a trial and error approach. Molecular dynamics (MD) studies focus on investigating the details of drug-target interactions to elucidate various biophysical characteristics of interest. Infectious diseases like Trypanosoma brucei rhodesiense (TBR) and P. falciparum (malaria) are responsible for m

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27

Mungongo, Singfrid Gasper. "The design, synthesis and biological evaluation of novel antitrypanosomal drugs." Thesis, University of Sunderland, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284073.

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28

Carmichael, Samantha Jane. "Optimisation of study design in the pharmacokinetics of anticancer drugs." Thesis, University of Edinburgh, 2001. http://hdl.handle.net/1842/23290.

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"Optimal sampling strategies" are based upon the concept of 'information-rich' times within a concentration-time profile. In this thesis, the selection of optimal sampling times was based on sensitivity analysis and applied to the one and two-compartment PK models. Simulation studies were used to show that parameter estimates obtained using an optimal design method with a reduced number of samples were as good as, if not better than, those obtained from PK studies in which the sampling times were selected empirically. In addition, the effect of adding sampling windows around the "optimal" time

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29

Gibson, Victoria. "Design, synthesis and evaluation of anthraquinone-oligodeoxynucleotide conjugates." Thesis, University of Sunderland, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242343.

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30

Ling, Xiang. "Adaptive design in dose-response studies." Columbus, Ohio : Ohio State University, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1133365136.

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31

LA, FRANCA Mery. "Design, synthesis and biological evaluation of new anticancer drugs: FGFR inhibitors." Doctoral thesis, Università degli Studi di Palermo, 2021. http://hdl.handle.net/10447/475964.

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Fibroblast growth factor receptors (FGFRs) constitute a family of tyrosine kinases receptors (RTKs) that exert pivotal physiological functions in human embryonic and adult tissues. Hyperactivated FGFR signaling drives tumorigenesis in multiple cancer types, including lung and brain cancers. Great effort has been laid on the development of new compounds that specifically target the FGFR axis. However, cancer cell- based and microenvironmental resistance mechanisms against FGFR inhibitors often arise and are currently poorly understood. Furthermore, FGFR-targeted therapy often presents differen

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32

O'Daniel, Peter Ivo. "Exploring structural diversity in nucleoside and nucleic acid drug design." Diss., Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-08252005-130946/.

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Thesis (Ph. D.)--Chemistry and Biochemistry, Georgia Institute of Technology, 2006.<br>Barefield, E. Kent, Committee Member ; Beckham, Haskell W., Committee Member ; Doyle, Donald F., Committee Member ; Weck, Marcus, Committee Member ; Seley, Katherine L., Committee Chair.

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33

Long, Stephen. "Combinatorial methods in drug design : towards modulating protein-protein interactions./." St. Lucia, Qld, 2003. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17525.pdf.

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34

Elmagbari, Fatin M. Ali. "Synthesis and design of ligand copper complexes as anti-inflammatory drugs." Doctoral thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/15767.

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Rheumatoid arthritis is a debilitating disease for which there is no cure. Copper has been used for centuries to alleviate the inflammation associated with the disease. The aim of this research was to design and test new ligands which are able to promote the percutaneous absorption of copper and/or mobilize endogenous copper reserves. Formation constants of H+, Cu(II), Ni(II) and Zn(II) with five low molecular ligands 2-((2-aminoethyl)amino)-N-(pyridin-2- ylmethyl)acetamide) [H(555)NH2], 2-((2-dimethyl-amino)ethyl)amino)-N-(pyridin-2-ylmethyl) acetamide [H(555)NMe2], N-(2-aminoethyl)-N'-(pyrid

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35

LA, FRANCA Mery. "Design, synthesis and biological evaluation of new anticancer drugs: FGFR inhibitors." Doctoral thesis, Università degli Studi di Palermo, 2021. http://hdl.handle.net/10447/491643.

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Fibroblast growth factor receptors (FGFRs) constitute a family of tyrosine kinases receptors (RTKs) that exert pivotal physiological functions in human embryonic and adult tissues. Hyperactivated FGFR signaling drives tumorigenesis in multiple cancer types, including lung and brain cancers. Great effort has been laid on the development of new compounds that specifically target the FGFR axis. However, cancer cell- based and microenvironmental resistance mechanisms against FGFR inhibitors often arise and are currently poorly understood. Furthermore, FGFR-targeted therapy often presents differe

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36

Saito, Takashi. "DESIGN AND CHARACTERIZATION OF GELATIN HYDROGELS INCORPORATING LOW-MOLECULAR-WEIGHT DRUGS FOR TISSUE REGENERATION." 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/199334.

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37

Cong, Ze. "Value of pharmaceutical innovation the access effects, diffusion process, and health effects of new drugs /." Santa Monica: RAND, 2009. http://www.rand.org/pubs/rgs_dissertations/2009/RAND_RGSD242.pdf.

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38

Bahceci, Suleyman. "The electron-conformational method of molecular modeling in drug design and structure-activity relationships /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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39

Dube, Admire. "The design, preparation and evaluation of Artemisia Afra and placebos in tea bag dosage form suitable for use in clinical trials." Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_2915_1188480959.

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<p>Artemisia Afra, a popular South African traditional herbal medicine is commonly administered as a tea infusion of the leaves. However, clinical trials proving it safety and efficacy are lacking mainly due to the absence of good quality dosage forms and credible placebos for the plant. The objectives of this study were to prepare a standardized preparation of the plant leaves and freeze-dried aqueous extract powder of the leaves, in a tea bag dosage form and to design and prepare credible placebos for these plant materials.</p>

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40

Ward, D. J. "Further development of methods for the computer-aided design of neuropeptide-based drugs." Thesis, University of Manchester, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280534.

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41

Shi, Yun, and 施昀. "Escalation with overdose control for phase I drug-combination trials." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hub.hku.hk/bib/B49799733.

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The escalation with overdose control (EWOC) method is a popular modelbased dose finding design for phase I clinical trials. Dose finding for combined drugs has grown rapidly in oncology drug development. A two-dimensional EWOC design is proposed for dose finding with two agents in combination based on a four-parameter logistic regression model. During trial conduct, the posterior distribution of the maximum tolerated dose (MTD) combination is updated continuously in order to find the appropriate dose combination for each cohort of patients. The probability that the next dose combination excee

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42

Mosley, Sylvester L. "Base-modified carbocyclic nucleosides as medicinal agents." Thesis, Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/27041.

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43

Lu, Jun. "Toward the next generation of smart anti-tumor drugs: a highly water-soluble Nucleolin Aptamer-Paclitaxel conjugate with a Cathespin B-labile linker for tumor-specific targareting in ovarian cancer." HKBU Institutional Repository, 2017. https://repository.hkbu.edu.hk/etd_oa/440.

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Paclitaxel (PTX) is among the most commonly used first-line drugs for cancer chemotherapy. However, its poor water solubility and indiscriminate distribution in normal tissues remain clinical challenges. Here we designed and synthesized a highly water-soluble nucleolin aptamer-paclitaxel conjugate (NucA-PTX) that selectively delivers PTX to the tumor site. By connecting a tumor-targeting nucleolin aptamer (NucA) to the active hydroxyl group at 2' position of PTX via a cathepsin B sensitive dipeptide bond, NucA-PTX could remain stable and inactive in the circulation. The tumor-recognition compo

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44

Sheeka, Hendrika Maria. "Design and synthesis of novel nucleotide pro-drugs as anti-HIV agents." Thesis, University of Southampton, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295004.

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45

Clement, Ella Chow. "Design and Syntheses of Potential Drugs Based on GABA(A) Receptor Pharmacophores." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/28271.

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Numerous previous studies of GABAAR ligands have suggested that GABAAR agonists must be zwitterionic and feature an intercharge separation similar to that of GABA (approx. 4.7-6.0 Ã ). We have demonstrated that monomeric, homodimeric and heterodimeric non-zwitterionic GABA amides are partial, full, or superagonists at the murine GABAA receptor (GABAAR). The agonism of these GABA amides is comparable to that of THIP, as shown by in vitro assay results. The assay data indicate that the agonism of GABA amides is tether length-dependent. Optimum agonism is achieved with a tether length of four

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46

Botta, Antonio. "Design, synthesis and biological studies of novel heterocyclic compounds as anticancer drugs." Doctoral thesis, Universita degli studi di Salerno, 2015. http://hdl.handle.net/10556/1971.

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2012 - 2013<br>Heterocyles are an essencial class of molecules, assuming a role in many aspect of our life. Indeed heterocyclic nucleus is a common feature of several biomolecule and bioactive compounds including agrochemical products and drugs. In this work we focused on two important class of heterocyclic compounds: carbazoles and NHCs (N-heterocyclic carbenes). Carbazoles, prevalent as structural motifs in various synthetic materials and naturally occurring alkaloids, as is known, have many applications such as optoelectronic materials, conducting polymers and especially as promising

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47

Casati, F. "DESIGN AND DEVELOPMENT OF CAPSULAR MOLDED DEVICES FOR MODIFIED RELEASE OF DRUGS." Doctoral thesis, Università degli Studi di Milano, 2017. http://hdl.handle.net/2434/473424.

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The present work focused on the formulation and manufacturing of modified-release drug delivery systems employing injection molding (IM) technique. IM is based on the injection, under high pressure and temperature, of thermoplastic materials into a mold. The interest in applying IM as well as micromolding (μIM) techniques, commonly used within the plastic industry, in the pharmaceutical field is driven by the possible reduction of development and manufacturing costs related to the simplification of industrial scalability, to the patentability of the new drug products and to the product versati

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48

Said, Najeeb Barrah. "The design and synthesis of non-peptide bradykinin B2 receptor antagonists." Thesis, University College London (University of London), 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285827.

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49

Jones, Garry B. "Design, synthesis and evaluation of DNA-binding oxazolo[2,3-c][1,4]benzodiazepines and pyrrolo[2,1-c][1,4]benzodiazepines." Thesis, University of Portsmouth, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293269.

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50

Isaacs, Nasreen. "Formulation and process optimisation of ethionamide 250 MGtablets using quality by design principles." Thesis, Nelson Mandela Metropolitan University, 2015. http://hdl.handle.net/10948/3979.

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The traditional approach of Quality by Testing (QbT) limits the assurance of product quality to in-process and post-production testing. To overcome these limitations, a more proactive and systematic means to product development and optimisation is required. Quality by Design (QbD) is an example of such an approach which focuses on understanding the product and its manufacturing process and emphasises that quality should be built into the product and not merely tested. The study aims to optimise ethionamide tablets, an immediate release oral solid dosage form using QbD.

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