Clinical trials: Segmentation
Acute Coronary Syndrome
OCT Guided vs COmplete Pci in patieNts With sT Segment Elevation myocArdial infarCtion and mulTivessel Disease
STEMI patients with multivessel disease will be randomized to complete PCI versus PCI driven by high risk criteria of plaques evaluated with OCT
- Trial name
- OCT-CONTACT (NCT04878133)
- Testing
- OCT - optical coherence tomography
- Where
- 6 sites in Italy
- Volunteers
- 460 people, healthy volunteers welcome
- Sponsor
- A.O.U. Città della Salute e della Scienza
Muscle Weakness
Effects of a Thoracic Manipulation on Hip Adductor, Extensor, and Latissimus Dorsi Force in Those With Adductor Weakness
The goal of this trial was to determine if a mid-thoracic high velocity low amplitude spinal manipulation improves force output in those with unilateral hip adductor weakness.
- Trial name
- NCT06534931
- Testing
- High velocity low amplitude thoracic spine manipulation
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of New England
Pseudoexfoliation Syndrome, Biomechanical Parameters
Corneal Biomechanics, Optical Properties and Anterior Segment Structural Features in Patients With Pseudoexfoliation
The purpose of this study is to assess the effect of pseudoexfoliation syndrome on corneal biomechanics, optical clarity of the cornea, and anterior segment structural features.
- Conditions
- Pseudoexfoliation Syndrome, Biomechanical Parameters, Corneal Densitometry
- Trial name
- CorPEX (NCT06731530)
- Testing
- Pentacam-AXL, HD Analyzer, Corvis ST
- Where
- Greece
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Retinal Vascular
Physiologic Changes of Posterior Ocular Segment During the Menstrual Cycle
Changes of luteinizing hormone (LH), estrogen and progesterone during the menstrual cycle influence the ocular physiology in both anterior and posterior segments.
- Trial name
- NCT04731207
- Testing
- Optovue®
- Where
- Thailand
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Khon Kaen University
CBCT - Condyle - Semi-automated Segmentation - Ultra-low Dose
Accuracy and Reliability of Ultra Low Dose CBCT Versus CBCT Imaging in Semi-automated Segmentation of the Mandibular Condyle (A Diagnostic Accuracy Study)
The objective of this study will be evaluation of accuracy and reliability of CBCT imaging versus Ultra low dose CBCT imaging in semi-automated mandibular condyle segmentation (linear and volumetric assessment of the condyles)…
- Trial name
- NCT05441423
- Testing
- CBCT
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Cairo University
Orthognathic Surgical Procedures
Effect of Proximal Segment Positioning on Condylar Remodeling
This study aims to evaluate postoperative condylar remodeling in patients undergoing bimaxillary orthognathic surgery by comparing two different proximal segment positioning techniques used during mandibular osteotomy.
- Trial name
- NCT07758725
- Testing
- Proximal Segment Rotation, Inferior Border Osteotomy Without Proximal Segment Rotation
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
Dental Implant
Accuracy of Guided Implant Placement Using Artificial Intelligence Segmentation Versus Conventional Technique
To compare the accuracy of surgical guided implant using AI tooth segmentation of the CBCT alone without intraoral scan to fabricate the implant guide versus conventional technique by alignment the CBCT and intraoral scan to…
- Trial name
- NCT06967090
- Testing
- Implant surgery using surgical guide
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fayoum University
Pain, Back
Spinal Segment MRI Perfusion and Diffusion Response to Spinal Manipulation in Low Back Pain Patients
The main objective is to quantify changes in diffusion and perfusion in the intervertebral disc and adjacent spinal muscle tissue of a spinal segment receiving a spinal manipulative or control intervention using…
- Trial name
- NCT03880500
- Testing
- Spinal Manipulative Therapy
- Where
- Switzerland
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Balgrist University Hospital
Smoking Cessation, Health Behavior
Promoting Smoking Cessation in Carpenters
The purpose of this study is to test an innovative and sustainable intervention to increase participation in a union-sponsored smoking cessation program among carpenters and floor layers.
- Conditions
- Smoking Cessation, Health Behavior, Cancer
- Trial name
- NCT01878214
- Testing
- Targeted messaging, Standard messaging
- Where
- United States
- Volunteers
- 442 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Segmentation
Intelligent Segmentation Algorithm of Ultrasonic Image
This project aims to enhance the performance of ultrasonic image analysis by optimizing and refining neural network algorithms, while also collecting and constructing extensive datasets relevant to ultrasonic imagery.
- Trial name
- NCT06646679
- Testing
- Ultrasonic imaging
- Where
- China
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Tongji Hospital
Obesity
Toward an Automated Method of Abdominal Fat Segmentation of MR Images
Subjects will undergo a brief magnetic resonance (MRI) scan. The resulting images will be used to compare two abdominal fat segmentation techniques. The first technique is already validated and in use.
- Trial name
- NCT01228968
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Cataract, Healthy Eye
The Heidelberg Engineering ANTERION Anterior Segment Cornea and IOL Precision and Agreement Study
This is a prospective clinical study that will be conducted at one clinical site located in the United States to assess anterior segment parameters with the ANTERION
- Conditions
- Cataract, Healthy Eye, Cornea Abnormality, Post-Keratorefractive Surgery
- Trial name
- NCT04130490
- Testing
- ANTERION
- Where
- United States
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Heidelberg Engineering GmbH
Spinal Anesthesia, Post Operative Analgesia
Dexamethasone in Prolonging the Duration of Spinal Anesthesia Among Pregnant Patients
Lower segment C section is one of the most commonly performed surgeries worldwide. It is performed in spinal anesthesia. During Spinal Anesthesia a local anesthetic drug is administered in a space surrounding spinal cord and it…
- Trial name
- NCT07088146
- Testing
- Dexamethasone
- Where
- Pakistan
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Rawalpindi Medical College
Acute Coronary Syndrome, Angina Pectoris
Diagnostic Performance of Artificial Intelligence Algorithms in Prediction of Acute Coronary Syndrome Based on White Blood Cell Properties
The goal of this observational study is to evaluate whether artificial intelligence (AI) algorithms can predict or exclude acute coronary syndrome (ACS) in adults using data generated by routine hematology testing.
- Conditions
- Acute Coronary Syndrome, Angina Pectoris, NSTEMI - Non-ST Segment Elevation MI, STEMI - ST Elevation Myocardial Infarction
- Trial name
- NCT06384846
- Where
- Austria
- Volunteers
- 3,350 people, healthy volunteers welcome
- Sponsor
- RobotDreams GmbH
Blinking, Deep Learning
Development and Validation of Deep Neural Networks for Blinking Identification and Classification
Primary objective of this study is the development and validation of a system of deep neural networks which automatically detects and classifies blinks as "complete" or "incomplete" in image sequences.
- Trial name
- NCT04828187
- Testing
- Comparison of the proposed artificial network with the ground truth
- Where
- 2 sites in Greece
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Anesthesia
Peripheral Skin Temperature Changes Following Spinal Anaesthesia for Category 4 LSCS
Regional anaesthesia of the lower limbs blocks sympathetic nerve fibres as well as sensory and motor fibres. It has been documented previously in the non-pregnant population that the blockade of sympathetic nerve fibres by…
- Trial name
- NCT05726760
- Testing
- Seeking informed consent for participation in the study., Temperature measurement by Braun Welch Allyn tympanic membrane thermometer device to the dorsum of the right and left feet above space between the 2nd and 3rd metatarsal bones., Covidien Mon-a-Therm skin temperature probes will be applied to the dorsum of the right and left feet above space between the 2nd and 3rd metatarsal bones.
- Where
- United Kingdom
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Retinal Vascular
Physiologic Change of Posterior Ocular Segment During Pregnancy
Women's physiology changes markedly during normal pregnancy. The most distinct alterations occur in the hormonal and cardiovascular systems. There is a dramatic increase in both estrogen and progesterone.
- Trial name
- NCT04731415
- Testing
- Optical coherence tomography and optical coherence tomography angiography (Optovue®)
- Where
- Thailand
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Khon Kaen University
ST-segment Elevation Myocardial Infarction (STEMI), Diabetes Mellitus
Metabolic Phenotyping and Follow-Up of Patients With and Without Diabetes After New Onset of STEMI
The aim of the prospective observational DISTEMI-Study in people with and without Diabetes mellitus (DI) after new onset of ST-Segment Elevation Myocardial Infarction (STEMI) aged 18-80 years at inclusion into the study is to…
- Conditions
- ST-segment Elevation Myocardial Infarction (STEMI), Diabetes Mellitus, Insulin Resistance, Non-Alcoholic Fatty Liver Disease
- Trial name
- DISTEMI (NCT05046483)
- Where
- Germany
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- German Diabetes Center
Pre-operative Anxiety, Spinal Anesthesia
Informative Video to Alleviate Anxiety and Improve Satisfaction in Elective Caesarean Section
Title: "Study of Informative Video on Alleviating Perioperative Anxiety and Improving Satisfaction Score in Obstetric Patients Undergoing Elective Lower Segment Caesarean Section Under Spinal Anaesthesia" Objective: This study…
- Conditions
- Pre-operative Anxiety, Spinal Anesthesia, Satisfaction, Patient
- Trial name
- NCT06545019
- Testing
- Informative Video on Perioperative Anxiety and Maternal Satisfaction
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- University of Malaya
Ocular Surface Disease
Investigator-initiated Clinical Trial to Observe Conjunctival Goblet Cell Using an Anterior Segment Imaging Device
Conjunctival goblet cells secrete mucin, vital for tear film stability. Dysfunction can cause tear film issues and lead to diseases like dry eye. Imaging these cells is crucial for diagnosis and treatment.
- Trial name
- NCT06427629
- Testing
- Imaging of conjunctival goblet cell
- Where
- South Korea
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital