Browsing by Subject "analysis"
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Item A Clinical Research Study Involving the Use of Erythropoietin in Perioperative Patients Undergoing Surgery for Gynecologic Cancer(2002-07-01) Larson, Sharon Beth; Richardson, Barbara; Martin, MichaelThe purpose of this internship practicum report is to analyze the pathophysiology and impact of anemia in low-income gynecologic cancer patients. The report also assesses the impact of erythropoietin on hemoglobin levels prior to gynecologic cancer surgery. This report is based on a clinical research study to determine whether or not erythropoietin will mitigate the suppression of bone marrow inherent to the gynecologic cancer population and alleviate some of the symptoms and side effects of the anemia.Item A Comparative Analysis of Recruitment Methods used in Randomized Controlled Clinical Drug Trials(2019-05) Garud, Ashwini A.; Mathew, Stephen O.; Goulopoulou, Styliani; Anderson, Jessica; Maynard, BrianClinical trials are a crucial part of any drug development process. The reliability and validity of clinical trials depend on the successful recruitment of subjects. The overall goal of this project was to evaluate the effectiveness of subject recruitment methods used in Randomized Controlled Trials (RCTs) focusing on Major Depressive Disorder (MDD) and Postpartum Depression (PPD) studies. Recruitment methods (on-site and off-site) utilized in these trials were examined for their cost-effectiveness, recruitment return, including the number of subjects enrolled and the number of subjects randomized in the trial and subject demographics. Regarding cost effectiveness, on-site methods were found to be more effective in terms of recruitment return and less costly than off-site for both studies. There was a significant difference in race and gender when subjects were recruited from on-site versus off-site recruitment. For MDD study, a comparatively large number of enrolled and randomized participants were recruited from on-site recruitment methods as compared to off-site, this may be due to the number of physician referrals, indicating that physicians play a major role in subject recruitment. For the Postpartum Depression study, the number of enrolled and randomized subjects from off-site recruitment method was higher than those of on-site methods. Monitoring recruitment strategies implemented in the study and assessing their effectiveness would be helpful in employing strategies for future trials.Item Analysis of HemaSpot[TM]-HF and HemaSpot[TM]-HD Sampling Kits Using Trace DNA(2019-05) McGehee, Rachel L.; Warren, Joseph E.; Planz, John V.; Schiro, GeorgeSpot On Sciences, Inc. has recently developed a new device, the HemaSpot[TM], which allows for samples to be stored safely at ambient temperatures. The UNTHSC FGEN program was contacted to conduct a research study to determine its feasibility for use as collection and storage media with trace samples. Extractions of 108 samples were conducted with QIAGEN[R] QIAamp DNA Investigator Kits, a 3130xL Genetic Analyzer, and GeneMapper[R] ID-X software. A hypersensitivity study worked with sub-optimal amounts of control DNA in order to observe the quality and variation of the generated profiles. The trace study swabbed items found at typical crime scenes and determined the device's ability to generate readable profiles. Results uncovered that all samples either contained large portions of allelic dropout or contamination. Relatively similar partial profiles were produced for both cartridge types in the hypersensitivity study. In addition, readable trace profiles were compared to one another to conclude that the HemaSpot[TM]-HD had the most success, however this may have been the cause of limited size and sample variation. Both products should be tested further.Item Evaluation of Y-STR Data Using a Duplex Gender Real-Time PCR Assay on an ABI Prism 7000 SDS Followed by Amplification with Applied Biosystems AmpFLSTR Yfiler PCR Amplification Kit(2007-08-01) Miller, Jennifer J.; John Planz; Arthur Eisenberg; Joseph WarrenQuantification is the process of determining the concentration of DNA in a sample and plays an extremely important role in the processes of amplification and STR typing. A method of quantification is mandated for a laboratory conducting forensic DNA analysis by National Standard 9.3 (1). Furthermore, anytime a forensic laboratory chooses to implement a new or novel methodology for any step in DNA analysis, a laboratory must conduct an internal validation to ensure the quality of method and any results generated on the equipment used within that laboratory are reliable, reproducible, and accurate before the method is utilized for casework analysis (1). Prior to an internal validation, the method or technology must undergo a developmental validation by the developer or manufacturer to determine conditions or limitations of the method or technology on DNA analysis of forensic samples (2). A study has shown that Y-STR results can be obtained even when the quantification of samples yields a value of 0.00ng/μl (4). The issue of the absolute lowest limit of detection in the quantification process versus input DNA concentrations of the unknown samples to yield any valuable Y-STR typing data has not been addressed. A duplex gender assay developed by Nicklas and Buel (3) has a reported detection limit of 0.5pg for the Alu probe of the duplex assay and quantification will be evaluated on a different qPCR platform than originally reported and followed by amplification using Applied Biosystems’ AmpFLSTR Yfiler PCR Amplification Kit to assess quantification limits. The goal of this internship project was to complete a preliminary evaluation of the sensitivity of a quantification methodology on a different qPCR platform under different detection parameters utilizing Y-chromosome DNA in correlation to Y-STR typing results and evaluate the data qualitatively.Item The Utility of Exploratory Data Analysis Techniques in Analyzing Outcome Measurers Used in Osteopathic Manipulative Medicine Research(2005-12-01) Whitesell, Rebecca; Singh, Karan; Bae, Sejong; Cruser, des AngesWhitesell, Rebecca, The Utility of Exploratory Data Analysis Techniques in Analyzing Outcome Measures Used in Osteopathic Manipulative Medicine Research. Master of Public Health (Clinical Research), December 2005, 79 pp., 2 tables, 42 illustrations, references, 33 titles. The intent of this thesis project is to describe how Osteopathic Manipulative Medicine (OMM) researchers can use the theory of Exploratory Data Analysis (EDA) to enhance their ability to analyze research findings. This was achieved by evaluating the most frequently used outcome measures in OMM research published since 1993, describing EDA and its relevance to the types of data used in OMM research, and illustrating the ways EDA can be used in two current OMM studies to gain insights into the data and to shape future research questions.