Clinical trials: Reference Values
Healthy
Determining Normal Values of BNP Levels for the Minicare BNP IVD Assay.
Main objective is to determine normal values for Brain Natriuretic Peptide (BNP) levels for the Minicare BNP using K2-EDTA (ethylenediaminetetraacetic acid ) venous whole blood and K2-EDTA plasma samples from healthy subjects.
- Trial name
- NCT03102944
- Testing
- Minicare BNP
- Where
- Netherlands
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Philips Handheld Diagnostics
Gallbladder, Gall Stones (&Amp; [Calculus - Gall Bladder])
Benchmarks in Acute Laparoscopic Cholecystectomy
The aim of this observational cohort study is to define peri- and postoperative reference values for acute laparoscopic cholecystectomy, using the achievable benchmarks of care methodology (ABC™).
- Conditions
- Gallbladder, Gall Stones (&Amp; [Calculus - Gall Bladder]), Gall Stone, Gallbladder Inflammation
- Trial name
- NCT06693076
- Testing
- Laparoscopic cholecystectomy
- Volunteers
- 40,000 people
- Sponsor
- Region Östergötland
Assessment of Normal Values of Esophagogastric Junction (EGJ) Distensibility in Healthy Volunteers
To assess normal values of EGJ distensibility in healthy volunteers.
- Trial name
- NCT01956877
- Where
- Netherlands
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Lymphedema, Secondary
Skin Biophysical Measures for Assessing Head and Neck Cancer-Related External Lymphedema
Selected measurements in healthy persons of skin tissue dielectric constant as reference values for subsequent use to evaluate patients with head and neck lymphedema.
- Trial name
- NCT04457375
- Testing
- TDC
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Nova Southeastern University
Transmission, Blood, Recipient/Donor
Procedure For The Reference Range Study For Absolute MA
CLSI guidelines shall be followed to gather data from a minimum of one hundred and twenty normal donors to create reference intervals for various Haemonetics reagents.
- Trial name
- NCT02110576
- Where
- United States
- Volunteers
- 161 people, healthy volunteers welcome
- Sponsor
- Haemonetics Corporation
Muscle Strength, Reliability
Reference Values and Reliability of Handgrip Strength Assessment Using a Digital Dynamometer in Healthy Adolescents and Other Populations: A Pilot Observational Study
his study aims to establish reference values and examine the reliability of handgrip strength assessment using a digital dynamometer (VALD DynaMo) in healthy adolescents.
- Conditions
- Muscle Strength, Reliability, Digital Handgrip Dynamometry, Adolescents
- Trial name
- NCT07408986
- Testing
- Muscle Strength Assessment using Digital Handheld Dynamometry (VALD Dynamo®)
- Where
- Spain
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Extremadura
Pregnancy Related
The Right Heart During and After Pregnancy - an Echocardiographic Study
The main goal is to establish echocardiographic reference values of the right heart for pregnant women, assuming they differ significantly from those of non pregnant women of same age.
- Trial name
- EVA (NCT03402971)
- Testing
- echocardiography
- Where
- Germany
- Volunteers
- 1,000 people
- Sponsor
- Gero Bunniger
Intracranial Pressure
New Reference Values for Intracranial Pressure
Intracranial pressure is a cornerstone in neurosurgical care used in a variety of diseases. However currently, doubts regarding normal intracranial pressure exist.
- Trial name
- NCT03594136
- Testing
- Raumedic Neurovent-P-tel
- Where
- 3 sites in Czechia, Denmark
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Healthy Adults, Pulmonary Hypertension
A Multicenter Study on the Normal Reference Range and Clinical Significance of the Right Atrioventricular Coupling Index Assessed by Artificial Intelligence-Based Three-Dimensional Echocardiography
This multicenter study aims to establish the normal reference range of the Right Atrioventricular Coupling Index (RACI) in healthy Chinese adults using AI-based 3DE technology.
- Conditions
- Healthy Adults, Pulmonary Hypertension, Tricuspid Regurgitation, Heart Failure
- Trial name
- NCT07292896
- Where
- 25 sites in China
- Volunteers
- 2,640 people, healthy volunteers welcome
- Sponsor
- First Hospital of China Medical University
Uveitis, Iritis
Retinal OCT and (mfERG) Related to Age, Sex, and the Use of Anti-inflammatory Medications
Retinal optical coherence tomography (OCT) is an established technology which enables a detailed cross-sectional visualization of the retinal micro-anatomy, and an objective measurement of its thickness in-vivo.
- Conditions
- Uveitis, Iritis, Iridocyclitis, Anterior Uveitis
- Trial name
- NCT00476593
- Testing
- Diclofenac, Dexamethasone
- Where
- 2 sites in Norway
- Volunteers
- 218 people, healthy volunteers welcome
- Sponsor
- Norwegian University of Science and Technology
Focus Health Pregancy Women
Establish the Referenc Range of Antiphospholipid Antibody in Healthy Preganany Women
The study is aim to establish 95th and 99th percentile for healthy pregancy women for antiphospholipid antibodies(aPLs), such as aCL IgG/M/A, B2GP1 IgG/M/A, aPS/PT IgG/M.
- Trial name
- NCT05883189
- Testing
- Draw blood
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Healthy
Non-contrast Enhanced Cardiac Magnetic Resonance Normal Values and Imaging Protocols
One of the main problems in cardiac magnetic resonance (MR) investigations is the strong dependence of the achieved image quality on optimal settings of sequence parameters and anatomical and physiological situations and it is…
- Trial name
- CMR-TECH (NCT01728597)
- Where
- Austria
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
HIV
HPTN 073 Black Men Who Have Sex With Men (MSM) Pre-Exposure Prophylaxis (PrEP)
Black men who have sex with men (MSM) Pre-Exposure Prophylaxis (PrEP) Study with Client Centered Care Coordination (C4) Component.
- Trial name
- NCT01808352
- Testing
- Observational
- Where
- 3 sites in United States
- Volunteers
- 226 people, healthy volunteers welcome
- Sponsor
- HIV Prevention Trials Network
Healthy Volunteer
LTA Assessement Using Aggregometer TA-8V (Stago®)
Exploring platelet functions requires aggregation tests platelet. The Haematology Laboratory of Hospices Civils de Lyon currently has two new TA-8V plate aggregation automatons® (Stago).
- Trial name
- NORMAGREG (NCT04269603)
- Testing
- Take blood (TA-8V (Stago®)
- Where
- France
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Thyroid Volume, Thyroid Ultrasound
Ultrasound Measurement of Thyroid Volume in Term Newborns
First, to date, no data are available on the thyroid volume of full-term newborns in Italy, making it essential to conduct studies to establish reference values for normality.
- Conditions
- Thyroid Volume, Thyroid Ultrasound, Congenital Hypothyroidism, Healthy Newborns
- Trial name
- NEOTIR (NCT07579988)
- Testing
- Thyroid ultrasound
- Where
- Italy
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- IRCCS Ospedale San Raffaele
Post-Operative Confusion
Braindex Cerebral Tissue Oxygen Saturation (SctO2) Measurement Algorithm Assessment and Improvement
The objective of this clinical trial is to optimize Braindex brain tissue oxygen saturation (SctO2) measurement algorithm compared to a mixed reference value of jugular venous and systemic arterial saturation, during proven…
- Trial name
- POC-SctO2 (NCT05897060)
- Testing
- Venus Jugular O2 Saturation optical fiber
- Where
- France
- Volunteers
- 40 people
- Sponsor
- Braindex
Cough
Reference Ranges for the Cough Responsiveness to Inhaled Mannitol
Cough is the most common reason why people seek medical attention in developed countries. The main mechanisms for prolonged cough are hypersensitivity of the cough reflex arc, sputum production, and constriction of the airway…
- Trial name
- NCT05034367
- Testing
- Mannitol challenge
- Where
- 2 sites in Australia, Finland
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Kuopio University Hospital
Coagulation Disorder
QStat Pilot Reference Range Study
The objective is to determine the initial reference range intervals for the parameters reported by the Quantra System with the QStat Cartridge.
- Trial name
- NCT04490759
- Testing
- Quantra System
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- HemoSonics LLC
Healthy Mothers
Study on Normal Ranges of Lipids in Breast Milk of Healthy Mothers
This trial is undertaken to better understand the ranges of functional components normally found in human milk. This will strengthen the scientific knowledge on breast-milk composition as a "gold standard".
- Trial name
- NCT01805011
- Testing
- minimum 4 months of breastfeeding
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
Tissue Oxygenation
Accuracy Verification of the INVOS PM7100
Prospective, observational, pre-market, verification study to confirm accuracy of the INVOS 7100 system in compliance with ISO 80601-2-85:2021 standard
- Trial name
- NCT07166341
- Testing
- Observational
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Medtronic - MITG