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Liquid-chromatography tandem mass spectrometry

Showing 1 - 25 of 9,080
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Opioid Use, Unspecified Trial in Zurich (Fentanyl)

Recruiting
  • Opioid Use, Unspecified
  • Zurich, Switzerland
    University's Children Hospital
Feb 13, 2023

Diffuse Large B-cell Lymphoma and High-grade B-cell Lymphoma

Not yet recruiting
  • Lymphoma, B-Cell
  • +6 more
  • Plasma metabolomic profile by Ultra-high performance liquid chromatography with quadrupole time-of-flight mass spectrometry (UPLC-QTOFMS)
  • Guayaquil, Guayas, Ecuador
    Instituto Oncológico Nacional Dr. Juan Tanca Marengo
Apr 27, 2023

CYP1A2, ABCB1, CYP2C9 and Plasma Concentration of Agomelatine in

Not yet recruiting
  • Polymorphism, Genetic
  • +5 more
    • (no location specified)
    Nov 3, 2023

    Validation of Drug Assays in Various Biological Matrices

    Recruiting
    • Infection
    • antivirals, antimicrobials, oral contraceptive, erectile dysfunction agents
    • Liverpool, United Kingdom
      Royal Liverpool & Broadgreen Univeristy Hospitals NHS Trust
    Nov 1, 2022

    Intestinal Flora and Metabonomics of Appendicitis

    Recruiting
    • Appendicitis
    • +2 more
      • Jinan, Shandong, China
        The First Affiliated Hospital Of Shandong First Medcial Unversit
      Sep 5, 2023

      Better Classification of Respiratory Amyloidosis

      Not yet recruiting
      • Amyloidosis
        • (no location specified)
        May 15, 2023

        Type 2 Diabetes Mellitus Combined With Acute Myocardial

        Completed
        • STEMI
        • liquid chromatography-mass spectrometry (LC/MS) analysis
        • Beijing, Beijing, China
          Weiping Li
        Oct 26, 2022

        Propionic/Methylmalonic Acidemias, Maple Syrup Urine Disease, Citrullinemia Trial in Aktobe (Obtaining Dry Blood Spots From

        Recruiting
        • Propionic/Methylmalonic Acidemias
        • +28 more
        • Obtaining Dry Blood Spots From Healthy Newborns (Aged 1-7 Days)
        • +5 more
        • Aktobe, Aktobe Region, Kazakhstan
          Regional perinatal center of Aktobe region
        Jun 8, 2023

        Endometriosis, Infertility Unexplained Trial in Krakow (Detection of PAHs in visceral fat with gas chromatography-isotope

        Recruiting
        • Endometriosis
        • Infertility Unexplained
        • Detection of PAHs in visceral fat with gas chromatography-isotope dilution mass spectrometry
        • Krakow, Poland
          Jagiellonian University Medical College, Department of Gynecolog
        Mar 16, 2023

        Lower Extremity Arterial Disease in Patiens Withe Type 2

        Recruiting
        • Diabetic Angiopathies
        • Diabetes Mellitus, Type 2
        • liquid chromatography-mass spectrometry
        • Chongqing, Chongqing, China
          The third hospital affiliated to the Third Military Medical Univ
        Sep 25, 2021

        OSCC Identified By Liquid Chromatography Mass Spectroscopy

        Recruiting
        • Oral Squamous Cell Carcinoma
        • Oral Squamous Cell Carcinoma
        • Dhaka, Dhanmondi, Bangladesh
        • +1 more
        Feb 20, 2022

        Bilirubin Molecular Species in Hepatic Encephalopathy and

        Recruiting
        • Hepatic Encephalopathy
        • Acute-On-Chronic Liver Failure
        • Liquid Chromatography-Mass Spectrometry Method to identify bilirubin molecular species
        • Mexico City, Mexico
          Medica Sur Clinic & Foundation Organization
        Oct 5, 2022

        Primary Sjögren Syndrome Patients

        Active, not recruiting
        • Sjogren's Syndrome
        • Parallel Assignment
        • São Paulo, Sao Paulo, Brazil
        • +1 more
        Nov 7, 2022

        Validate Volumetric Absorptive Microsampling (VAMS) Assay Trial in Cincinnati (Mitra Microsampler)

        Completed
        • Validate Volumetric Absorptive Microsampling (VAMS) Assay
        • Mitra Microsampler
        • Cincinnati, Ohio
          Cincinnati Children's Hospital
        Dec 19, 2022

        Cannabis Use Trial in Baltimore (Cannabis, Placebo)

        Not yet recruiting
        • Cannabis Use
        • Baltimore, Maryland
          Johns Hopkins Behavioral Pharmacology Research Unit
        Jan 5, 2023

        Change in Plasma Urolithins and Vitamin E Trial in Athens (Intervention shake)

        Recruiting
        • Change in Plasma Urolithins and Vitamin E
        • Intervention shake
        • Athens, Georgia
          Human Nutrition Lab
        Nov 20, 2023

        Metabolomic Fingerprints in Acute Liver Failure and

        Not yet recruiting
        • Hepatic Encephalopathy
        • +2 more
        • Blood collection
        • (no location specified)
        Mar 6, 2023

        Human Health, Reactive Carbonyl Species, Polyphenols Trial in Kannapolis (Soymilk, green tea, or blueberry, Control group)

        Recruiting
        • Human Health
        • +2 more
        • Soymilk, green tea, or blueberry
        • Control group
        • Kannapolis, North Carolina
          North Carolina Agriculture and Technical State University
        Mar 6, 2023

        Profiling of Pembrolizumab and Nivolumab in Melanoma and/or

        Active, not recruiting
        • Lung Non-Small Cell Carcinoma
        • Melanoma
        • Biospecimen Collection
        • +2 more
        • Rochester, Minnesota
          Mayo Clinic in Rochester
        Feb 13, 2023

        Gonadal Function in Young to Middle Aged HIV-infected Men

        Completed
        • Human Immunodeficiency Virus
        • +2 more
        • No intervention is provided
        • Modena, Italy
          Azienda Ospedaliero - Universitaria di Modena
        Feb 8, 2021

        Extracorporeal Membrane Oxygenation Trial in Wuhan (Hydromorphone)

        Recruiting
        • Extracorporeal Membrane Oxygenation
        • Wuhan, Hubei, China
          Wuhan Union Hospital
        Sep 29, 2022

        Clear Cell Renal Cell Carcinoma, Recurrent Renal Cell Cancer, Stage III Renal Cell Cancer Trial in Buffalo, Rochester

        Terminated
        Has Results
        • Clear Cell Renal Cell Carcinoma
        • +3 more
        • Buffalo, New York
        • +1 more
        Aug 11, 2022

        Diabetes, Pre-diabetes Trial in Taichung (Liquid chromatography-mass spectrometry (LC-MS) analysis)

        Recruiting
        • Diabetes Mellitus
        • Pre-diabetes
        • Liquid chromatography-mass spectrometry (LC-MS) analysis
        • Taichung, Taiwan
          China Medical University Hospital
        May 26, 2021

        Primary Mild and Moderate Hypertension Trial in Suzhou (SPH3127)

        Completed
        • Primary Mild and Moderate Hypertension
        • Suzhou, Jiangsu, China
          The First Affiliated Hospital of Soochow University
        Dec 6, 2022

        Cannabis, THC Trial (?9-tetrahydrocannabinol)

        Not yet recruiting
        • Cannabis
        • THC
        • (no location specified)
        Oct 23, 2023