Clinical Trials About "Rapid electrophoretic recovery from dried blood spots" RSS

21:25 EDT 24th June 2019 | BioPortfolio

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Showing "Rapid electrophoretic recovery from dried blood spots" Clinical Trials 1–25 of 21,000+

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The Cellular Pharmacology of F-TAF in Dried Blood Spots

Adherence to daily dosing is very important for how well Emtricitabine/Tenofovir Alafenamide (F/TAF) works for treatment of chronic HIV, or prevention of HIV acquisition. Methods to measure medication adherence to Tenofovir disoproxil fumarate (tenofovir DF, TDF), a similar but different prodrug of tenofovir, have been developed but cannot be extrapolated to F-TAF. By measuring F-TAF (the drug) and metabolites in the blood cells and dried blood spots, the study plans to see if ...

Developing Newborn Screening for Infants With Primary Immunodeficiency

This study will explore screening for immunodeficiency diseases (diseases that cause problems in fighting infections). There is no method at present to screen all babies at birth for immunodeficiency. However, babies with low numbers of T-cells-an important type of immune system cell-may be found by studying T-cell products called TRECs (T-cell receptor excision circles). This study will: - Collect samples from children with several different immunodeficiencies to find out ...

Dexamphetamine Sustained Release Pharmacokinetics and Clinical Validation of Dried Blood Spots

The pharmacokinetics of 10 to 12 individuals receiving 60 mg of sustained release dexamphetamine will be studied. These individuals have received this medication before in a previous trial where the pharmacodynamics were investigated. This trial will last 5 consecutive days during which blood samples will be drawn for pharmacokinetics analyses. Dried blood spots will also be collected for the clinical validation of the bioanalytical method wherein these are used.

Diagnostic Tools for Human African Trypanosomiasis Elimination and Clinical Trials: WP2 Passive Case Detection

The study determines the diagnostic performance and cost of rapid diagnostic tests (RDTs) performed on human African trypanosomiasis clinical suspects in peripheral health centres, whether or not followed by serological and/or molecular tests on dried blood spots done at regional reference centres

Dried Blood Spot Testing of CMV Detection in HCT Recipients

This is a randomized clinical trial to assess whether a subject centered, self-collection of Dried blood spots (DBS) samples will improve compliance with the clinical recommendation of weekly Cytomegalovirus (CMV) testing of Hematopoietic cell transplantation (HCT) recipients who are at high risk for late CMV disease. In this study, mobile devices will be used to remind HCT survivors to perform CMV monitoring using finger-stick collected DBS testing in their home setting or to ...


Assessment of Dried Blood Spot Thyroglobulin and Urinary Iodine Concentration in Pregnant Women

To avoid iodine deficiency and its consequences in pregnant women and their offspring, women should reach a sufficient iodine intake long before conception. To monitor iodine status, median urinary iodine concentration (UIC) is widely used in pregnant women (PW). Thyroglobulin (Tg) us another marker used to assess iodine status . In this study, urine samples as well as dried blood spots will be collected to measure UIC and Tg (as well as other hormones to define thyroid functio...

G6PD Assessment Before Primaquine for Radical Treatment of Vivax Malaria

This will be a single-arm observational cohort study. Malaria patients with Plasmodium vivax and meeting study inclusion criteria, who give consent to be enrolled in the study, will have their G6PD status measured by the CareStart™ G6DP rapid diagnostic test (G6PD RDT), and primaquine prescribed according to the result. According to the G6PD RDT result, primaquine will be prescribed at 0.25mg/kg/day for 14 days (normal patients) or 0.75mg/kg weekly for eight weeks (deficient ...

Evaluation DBS for HCV RNA Testing

FIND is preparing a study to evaluate the performance, as measured by sensitivity and specificity, of three centralized assays for the detection of HCV RNA using capillary blood collected on dried blood spots (DBS) and plasma separation card (PSC).

Epidemiology of Malaria in Ubon Ratchathani, Thailand

This is an observational study (case-control study) aiming to identify risk factors for malaria infection in health centers or malaria posts or district hospitals in Buntharik District and Nachalui District, Ubon Ratchathani Province, Thailand. This study expects to recruit 330 cases (malaria positive) and 330 control (negative cases) subject. One-to-one matching of cases (malaria positive) and controls (malaria negative) will be done at each study site. CASE (Malaria p...

Spot Depression Study

This study aims to identify signs of depression and bipolar disorder by measuring changes of certain molecules (biomarkers) that can be detected in dried blood spots. Our goal is to use these biomarkers to develop a diagnostic test to enable early treatment, which can lead to better patient outcomes.

Newborn Screening for Adrenoleukodystrophy

To test if the routine newborn screening dried blood spots can be used to test if elevation of C26:0 lysophosphatidylcholine (C26:0-lyso-PC), a status indicating adrenoleukodystrophy (ALD)

Safety Study of Spray-Dried Solvent/Detergent-Treated Plasma for Infusion in Healthy Volunteers

This study is a Phase 1, single-center, open-label, ascending dose study which will assess the safety and tolerability of 5 doses of spray-dried solvent/detergent treated plasma (Resusix®) in healthy volunteers.

An Imaging Trial of the Distribution of Topical Gel in the Human Vagina: Assessment of Bare Spots

This study will assess the distribution of a microbicidal gel in the vagina and confirm the presence of bare spots. MRIs will be done with and without the addition of the MRI contrast Gadolinium to the microbicide in order to determine whether the bare spots are an artifact of the MRI technique.

Dried Leaf Artemisia (DLA) Compared to Artemisinin Combination Therapy (ACT) vs Malaria

Our overall goal is to validate efficacy and potential superiority of dried leaf Artemisia annua (DLA) vs. artemisinin combination therapy (ACT) to cure malaria and to demonstrate elimination of the transmission stage (gametocytes) of the disease. This is a 3 arm trial in Democratic Republic of Congo covering 600 total adult and pediatric patients. Final validation of infection from dried blood samples will be done at WPI.

Dried Plums and Bone Health in Postmenopausal Women

Postmenopausal women often seek non-pharmacologic interventions for the protection of bone health. Previous research in humans and rodents has indicated that dietary dried plum consumption may be beneficial for bone health, especially in postmenopausal women. However, it is unknown in what quantity dried plums need to be consumed to be of benefit and through what mechanisms dried plums act to impact bone health. Therefore, the purpose of this study is to evaluate the impact of ...

Cross Sectional Survey on the Burden and Impacts of Chronic Hepatitis B in the Rural Area of Niakhar, Senegal

This study aims at estimating the prevalence of chronic hepatitis B virus (HBV) infection in rural Senegal (area of Niakhar) and at evaluating the associated burden in terms of both health-related and socio-economic consequences.

Studying the Effect of Freeze-Dried Table Grape Powder on Blood Estrogen Levels in Postmenopausal Women

RATIONALE: Estrogen can cause the growth of breast cancer cells. Studying samples of blood and urine in the laboratory from participants receiving freeze-dried table grape powder may help doctors understand the effect of this drug on blood estrogen levels. PURPOSE: This clinical trial is studying the effect of freeze-dried table grape powder on blood estrogen levels in postmenopausal women.

Effects of Freeze Dried Strawberry Powder Supplementation on Vascular Function and Blood Markers of Cardiovascular Risk

The purpose of this study is to evaluate the effects of freeze dried strawberry powder on LDL cholesterol, central and peripheral blood pressure, indices of arterial stiffness, and other lipid and lipoprotein concentrations. The investigators hypothesize that the bioactive compounds in freeze dried strawberry powder may elicit beneficial effects on LDL cholesterol, as well as blood pressure and arterial health.

Monitoring Of Viral Load In Decentralised Area in Vietnam

As of today, HIV-infected patients followed in decentralized area have little or even no access to viral load monitoring because laboratories able to perform this biological measurement are only in large cities, and because plasma transfer to these laboratories is complex and very costly. Blood sampling using dried blood spots (DBS) could overcome these difficulties. The goal of this operational research is to document the feasibility of DBS use in decentralised area to ...

Filter Paper Blood Spots Collected During Fever as a Source for Post-travel Diagnosis in Travelers

This study is part of a larger prospective cohort study (JOKA), designed to study febrile illness occurring during a travel to the tropics, as well as the evaluation of the clinical use of malaria rapid diagnostic tests (RDT) by travelers or their peers during travel, as a decision aid for the management of febrile illness in the tropics. Filter paper blood spots and paired serology are used in addition to routine post-travel evaluation, to study the incidence and etiological ...

Response to Clenbuterol in Humans

Due to the long half-life (~36 hr) of clenbuterol, detection methods such as dried blood spots (DBS) are a potentially suitable method to easily and non-invasively detect doping misuse of this compound for several days after ingestion. If, and how long, the compound can be detected by DBS has not yet been investigated but is of interest due to its potential in doping-control. The aim is to evaluate whether abuse of clenbuterol can be detected at relevant concentration levels in...

Effect of Dried Fruit on Cardiometabolic Risk Factors

This is a 2-period randomized crossover study with free-living subjects on self-selected diets. The objective of this study is to compare the effects of ¾ cup of a blend of dried plums, figs, dates and raisins (DPFDR) with an isocaloric and macronutrient matched snack food on blood pressure, vascular health and lipids and lipoproteins in 50 participants who are representative of the U.S. population and at risk for cardiovascular disease (overweight/obese, elevated LDL-choleste...

Dried Plums Prevent Inflammation And Improve Bone Health in Osteopenic Men

The goals of this study are 1) to investigate the extent to which dried plum improves bone health by measuring bone density (a measure of bone strength) of whole body, hip, and forearm, indicators of bone formation and bone breakdown, and 2) to determine the anti-inflammatory effects of dried plum by assessing biomarkers of inflammation. Additionally, relevant medical history and lifestyle variables will be recorded.

Glycemic and Insulinemic Impact of Oats With Additional Dried Fruits, Nuts and Seeds Soaked Overnight

The purpose of this study is to compare the glucose, insulin and subjective hunger responses elicited by oats with additional dried fruits, nuts and seeds soaked overnight in skim milk and consumed cold versus Cream of Rice cereal with additional dried fruits, nuts and seeds cooked just prior to its consumption.

Personalization of AntiTB Treatment: Evaluation of Pharmacological Determinants of Treatment Response

The aim of the study is to investigate the possible correlation of plasma drug concentrations with Time To Positivity (TTP) in liquid culture in patients with active pulmonary multi sensitive TB in the first two weeks of treatment. Secondary aims are: the correlation between plasma drug concentrations and hepato/neuro toxicity; the impact of different allelic variants on PK data, toxicity and TTP in liquid culture; the feasibility of using dried blood/plasma spots to measure pl...

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