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We list hundreds of Clinical Trials about "Mass Spectrometry Help Limit Reproducibility Problems http dlvr" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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We aim to evaluate the effect of an extension of conventional urine diagnostics with mass spectrometry in patients with a suspected UTI. Mass spectrometry is done directly from the urine sample (without an intermediate bacterial culture).The primary outcome is the time from the entry of a urine sample in the microbiological laboratory to the adequate/optimal/definitive treatment. Secondary outcomes are the time to diagnosis of a therapy relevant UTI, the quantity of antibiotics...
This is an experimental study of participants who had positive blood culture to compare time to appropriate antibiotic between using Microarray Assay and Mass Spectrometry to bacterial Identification.
The main objective is to establish that a new technique of amyloidosis typing by Proteomics (based on nanoLC-MS/MS mass spectrometry) allows typing in > 90% of observations in patients whose Amyloidosis is reported to have failed typing (impossible typing, uncertain or inconsistent) with the traditional anatomopathological approach, and this in a cohort of 40 patients identified consecutively in the Department of pathological anatomy and cytology of the University Hospital of T...
The study is a pilot study in the feasibility of a diagnostic technique. There is no current data on detection of cisplatin in cancer cells derived from human urine. This study will generate preliminary data so that future studies may be done with more definitive end points in mind.
The type-2 diabetes mellitus（T2DM）, metabolic syndrome, cardiovascular disease complications induced by polycystic ovary syndrome(PCOS) with insulin resistance(IR）, which become serious threat to public health. In this observational study, obese patients with PCOS,nonobese patients with PCOS, PCOS patients with impaired glucose tolerance（IGT）, PCOS patients with type-2 diabetes mellitus（T2DM）, and healthy volunteers would enrolled into this study, through the Liqu...
The purpose of this study is to evaluate the basis for the reported good effects of antioxidant supplementation. A blood test using Mass Spectrometry will measure DNA damage which is expected to decrease with antioxidant administration and therefore decrease the risk of cancer.
Aim: Determine if Rapid Evaporative Ionization Mass Spectrometry (the iKnife); can diagnose cancer and pre-cancer from endometrial tissue biopsy samples. Women attending a gynaecology clinic for assessment of abnormal bleeding will receive an pelvic (internal) ultrasound as routine standard of care. If any abnormalities are detected, a tissue sample will be needed. If women are agreeable a second tissue sample will be taken for research. The first will be analysed by conventio...
There are currently no widely accepted methods which provide real time in vivo, in situ tissue diagnostics within the operating theatre environment. This project proposes that the oncological nature of in vivo tissue may be accurately identified using mass spectrometric analysis of tissue specific ions released during thermal degradation of tissue as occurs during electrosurgery. Subsequently, the protocol describes a technique for a prospective study to determine whether ...
The objective of this pilot study is to prospectively evaluate amniotic fluid of pregnancies complicated by non-immune hydrops and severe symmetrical intrauterine growth restriction by tandem mass spectrometry for inborn errors of metabolism.
RATIONALE: Studying samples of blood from patients with cancer in the laboratory may help doctors learn more about changes that occur and identify biomarkers related to cancer. PURPOSE: This research study is looking at blood glycan biomarkers in women with stage IV breast cancer.
Aims of the project 1. To determine the rice anthocyanin content via high-performance liquid chromatographycoupled to mass spectrometry, HPLC-MS 2. To study the oral bioavailability of anthocyanins in healthy volunteers after the intake of a serving (80 g) of black rice (Venere and Artemide varieties). 3. To determine the plasma biokinetics parameters of rice anthocyanins via spectrophometric determination and high-performance liquid chromatography...
This phase II trial is studying how well decitabine works in treating patients with previously untreated acute myeloid leukemia. Drugs used in chemotherapy, such as decitabine, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing
The findings of previous experiments suggested that polyunsaturated fatty acids(PUFAs) has been linked to anti-hyperlipidemia, and reducing the risk of cardiovascular disease.This is a randomized double-blind trial, aims to study the effect of PUFAs on blood lipids and human metabolism. Firstly, the investigators will investigate the efficacy of mixed plant oil(echium oil, camelina oil, safflower oil) and pure echium oil on improving the levels of blood lipids(TC, TG, HDLC, LDL...
To answer the question whether a disease specific profile of breath in patients with lung cancer can be detected by an untargeted metabolomic study using exhaled breath analysis by mass spectrometry.
RATIONALE: Erlotinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Giving erlotinib before surgery may make the tumor smaller and reduce the amount of normal tissue that needs to be removed. PURPOSE: This phase II trial is studying how well erlotinib works in treating patients with breast cancer that can be removed by surgery.
To answer the question whether a previously detected breath profile in patients suffering from obstructive sleep apnoea (OSA) can be found in a cohort of patients with suspected OSA using mass spectrometry (validation study).
Three methods are actually used in newborn screening for sickle cell disease (SCD) in France: isoelectric focusing, high performance liquid chromatography and capillary electrophoresis. New technologies are currently under development such as Matrix Assisted Laser Desorption Ionisation - Time of Flight (MALDI-TOF) and tandem mass spectrometry (MS/MS) using the SpOtOn Diagnostics Reagent Kit available in United Kingdom only. Zentech company (Liège, Belgium) is developing a pac...
The aim of this study is to assess the reproducibility over time of functional and structural magnetic resonance imaging, as well as specific biomarkers in plasma in healthy volunteers before and after a two-hour rest. This design mimics the timing of repeated scans and blood sampling before and after two hours of anaesthesia in subsequent substudies of the protocol, 'Neuroplasticity Induced by General Anaesthesia'.
Venn Biosciences Corporation ("InterVenn") has developed a liquid biopsy that is capable of distinguishing benign from malignant masses in women presenting with adnexal (pelvic) masses, through a simple blood test. The underlying technology combines mass spectrometry and artificial intelligence/machine learning to analyze tumor-associated changes in circulating glycoproteins. The purpose of this study is to prospectively collect de-identified biological samples and data ...
RATIONALE: Finding specific proteins in the blood may help doctors tell whether a patient has ovarian cancer. PURPOSE: This clinical trial is studying how well proteomic profiling works in diagnosing ovarian cancer in patients who are undergoing surgery for an abnormal pelvic mass.
This aim of this study is to compare the reproducibility of reading of five international experts concerning the anomalies of the salivary glands. The reproducibility is measure on patients and not on recorded data.
RATIONALE: Studying samples of tumor tissue from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer. It may also help doctors predict how patients will respond to treatment. PURPOSE: This research study is looking at biomarkers in predicting response to treatment in patients with newly diagnosed stage III or stage IV head and neck cancer treated with carboplatin, paclitaxel, and radiation...
This trial is conducted to assess the performance and handling of the in vitro diagnostic (IVD) device for oral direct factor Xa and thrombin inhibitors from urine samples of patients on treatment with direct oral anticoagulants Apixaban, Edoxaban, Rivaroxaban, and Dabigatran (DOAC) in an actual point-of-care (POCT) setting in comparison to results obtained by liquid chromatography tandem mass spectrometry (LC-MS/MS) from urine samples. This trial is conducted to assess the pe...
Recognition of disease specific clusters of volatile organic compounds in patients with different lung diseases, using breath analysis with ion mobility spectrometry. Lung diseases of interest are: - COPD - tumors - airway infection - interstitial lung disease - sleep apnea Hypothesis: Breath analysis with ion mobility spectrometry can differentiate pulmonary disorders.
Evaluate the repeatability and reproducibility of the RTVue-XR for measuring the total corneal thickness (pachymetry), the epithelial thickness, and the stromal thickness mapping in normal subjects and corneal patients.