Clinical trials: Three-Dimensional
Pregnancy
The 3-Dimensional Ultrasound for Fetal Anomaly Scan
The aim of this study is 1) to study the clinical application of 3D/4D ultrasound for fetal scanning during pregnancy; 2) ) to study the clinical application of 3D/4D ultrasound for pelvic scanning; 3) to demonstrate how to…
- Trial name
- NCT00966537
- Where
- Israel
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Healthy
3D Ultrasound Validation for Measuring Stomach Volume
The goal is to study the accuracy of 3-dimensional ultrasound (which does not involve radiation) to measure the size of the stomach, comparing it with a previously validated method that involves radiation.
- Trial name
- 3DUSstomach (NCT00588224)
- Testing
- 3D ultrasound
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Ostium Secundum Atrial Septal Defect
Occluder Size Determination in Transcatheter ASD II Closure Based on 3D TEE Assessment
The aim of this study is to determine whether three-dimensional tranesophageal echocardiography (3D TEE) assessment of ostium secundum atrial septal defect (ASD II) may be as efficient as two-dimensional (2D) TEE assessment…
- Trial name
- NCT02601768
- Testing
- Transcatheter closure of ASD II
- Where
- Poland
- Volunteers
- 50 people
- Sponsor
- National Institute of Cardiology, Warsaw, Poland
Cleft Lip and Palate, Cleft Palate
Three-dimensional Cleft Lip and Palate Morphology Prior to One-stage Cleft Repair
This is a prospective observational cohort study of consecutive patients with cleft lip and palate deformity undergoing cleft repair at the Institute of Mother and Child in Warsaw.
- Conditions
- Cleft Lip and Palate, Cleft Palate, Craniofacial Deformity
- Trial name
- NCT04616690
- Where
- Poland
- Volunteers
- 40 people
- Sponsor
- University Hospital, Basel, Switzerland
Amblyopia, Ocular Motility Disorders
A New Approach to Vision Therapy Based on Naturalistic 3-D Computer Gaming
The research team will execute two concurrent studies within a common framework. The first will compare iCare to standard of care occlusion therapy (patching) for amblyopia in patients ages 4 to 18 (inclusive).
- Trial name
- ICARE (NCT03066063)
- Testing
- iCare, Amblyopia standard of Care, CI standard of Care
- Where
- United States
- Volunteers
- 92 people
- Sponsor
- Barron Associates, Inc.
Scoliosis Idiopathic
The Effect of Schroth Exercises on Abdominal Muscle Thickness
Although abdominal muscle thickness has been evaluated in individuals with scoliosis in the literature, there is no study in the literature reporting the relationship between abdominal muscle thickness under ultrasound as a…
- Trial name
- NCT05636280
- Testing
- schroth exercise, traditional scoliosis exercise
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people
- Sponsor
- Saglik Bilimleri Universitesi
Pregnancy
Fetal Growth Evaluation by Three-Dimensional Ultrasound
Fetal growth abnormalities, such as macrosomia and intrauterine growth retardation, are an important cause for increased perinatal mortality in the United States.
- Trial name
- NCT00340171
- Where
- 2 sites in United States
- Volunteers
- 1,919 people
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Pelvic Organ Prolapse
Three-dimensional Ultrasound Assessment in Cases of Prolapse Surgeries
The levator ani muscle seems to play a key role in pelvic floor dysfunction. This muscle has two major components, the pubovisceral (including the pubococcygeus and puborectalis muscles) and the iliococcygeal muscles.Major…
- Trial name
- NCT03857724
- Testing
- prolapse surgery
- Where
- Egypt
- Volunteers
- 1 people
- Sponsor
- Assiut University
Choroid
Three-dimensional Choroidal Vascularity Index in Common Fundus Diseases
Explore the changes of choroidal blood perfusion in common fundus diseases by three-dimensional choroidal vascularity index, an optical coherence tomography (OCT) parameter.
- Trial name
- NCT04790084
- Testing
- no intervention
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Renmin Hospital of Wuhan University
Endodontic Disease, Tooth Resorption
Volumetric Analysis of Resorption Types on CBCT
More accurate management of resorption can be achieved thanks to the three-dimensions volumetric and linear analysis, and the axial classification presented in this study.
- Trial name
- NCT04617301
- Where
- Turkey (Türkiye)
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
Orbital Fractures, Enophthalmos
Correction of Enophthalmos and Orbital Volume Using Pre-bent Mesh Versus 3d Printed Onlay in Orbital Fracture Cases
this study evaluates the post-surgical correction of enophthalmos and orbital volume using 3D printed only versus pre-bent titanium mesh in blow-out fracture cases
- Conditions
- Orbital Fractures, Enophthalmos, Periorbital Fracture
- Trial name
- NCT04271137
- Testing
- 3D printed PEEK onlay, Pre-bent orbital mesh
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Cairo University
Coronary Artery Bypass Surgery, Right-Sided Heart Failure
The SWEDEGRAFT Right-Heart-Substudy
BACKGROUND Right ventricular dysfunction is a common echocardiographic finding after cardiac surgery. Pericardial disruption has been suggested as the most probable cause as the phenomenon occurs within minutes after pericardial…
- Trial name
- NCT05049421
- Testing
- Echocardiography
- Where
- Denmark
- Volunteers
- 207 people
- Sponsor
- Aarhus University Hospital Skejby
Larynx, Oxygen
Relationship of Cricoid With the Right and Left Bronchial Diameters in the Pediatric Population Using Three-dimensional Imaging.
Specific and objective guidelines for choosing endobronchial tube size for main-stem intubation in pediatric patients are lacking.
- Conditions
- Larynx, Oxygen, Intubation
- Trial name
- NCT03030781
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- King Fahad Medical City
Root Resorption, Orthodontic Appliance
Three-dimensional CBCT Analysis of Root Volume Changes Following Tooth-bone and Bone-borne Maxillary Expansion: A Pilot Study.
External root resorption (ERR) is an undesired side effect observed after rapid maxillary expansion (RME). This study aimed to investigate changes in the root volume of maxillary permanent first molars after RME using tooth-borne…
- Conditions
- Root Resorption, Orthodontic Appliance, CBCT Segmentation
- Trial name
- NCT06912568
- Testing
- Miniscrew insertion, Expander, CBCT
- Where
- Italy
- Volunteers
- 21 people
- Sponsor
- University of Roma La Sapienza
Caries, Dental, Caries; Dentin
3D-printed Ceromer Crowns Versus Stainless Steel in Posterior Primary Molars
The aim of the study is to compare preformed metal crowns and 3D-printed ceromer crowns in primary molars of 4-9 years old children.
- Conditions
- Caries, Dental, Caries; Dentin, Dental Caries in Children
- Trial name
- NCT07091331
- Testing
- Personalized 3D-printed pediatric ceromer crown, Prefabricated stainless steel crown group
- Where
- Mexico
- Volunteers
- 40 people
- Sponsor
- Universidad Autonoma de Baja California
Breast Cancer
Feasibility Study of Breast MRI in Decubitus Position
Breast MRI is performed in prone position which causes a number of questions. Indeed, the correlation with mammography and echography and the identification of preoperative lesions can be complex as echography and surgery are…
- Trial name
- EFIMED (NCT02865239)
- Testing
- Position for the 3.0 Tesla in Magnetic Resonance Imaging
- Where
- France
- Volunteers
- 15 people
- Sponsor
- Institut de Cancérologie de Lorraine
Dysphagia
Intermittent Oro-Esophageal Tube Feeding Using Individually-Customized 3-Dimensional Printing
The aim of this study is to test the clinical effectiveness of IOE tube using individually customized 3-dimentional printed guiding tube as an alternative to Levin tube feeding when unconscious patients have no choice but tube…
- Trial name
- NCT02822456
- Testing
- VFSS
- Where
- South Korea
- Volunteers
- 24 people
- Sponsor
- Ulsan University Hospital
Cleft Lip and Palate
Three Dimensional Facial Growth Analysis
Cleft lip and palate is the most common facial birth defect affecting one in 700 babies, and frequently leads to problems in feeding, breathing, speech and/or hearing, and aesthetic problems often leading to social and…
- Trial name
- NCT03514563
- Testing
- MRI imaging, Optical scan, 3D photography
- Where
- United Kingdom
- Volunteers
- 1 people
- Sponsor
- University of Hull
Failed Back Surgery Syndrome, Spinal Stenosis
Value of Three-dimensional Rotational Epidurography on Percutaneous Epidural Adhesiolysis
Conventional epidurography (CE) is thought to have insufficient usefulness on percutaneous epidural adhesiolysis (PEA). The investigators aimed to evaluate the association between the outcome of PEA and three…
- Trial name
- NCT04216992
- Testing
- Cone beam computed tomography
- Where
- Taiwan
- Volunteers
- 30 people
- Sponsor
- Tri-Service General Hospital (TSGH)
Bone Fracture
Digital Three-dimensional Imaging Models for Repair of Complex Long Bone Fractures
To verify whether digital three-dimensional model-assisted internal fixation can obtain better effects in the repair of complex long bone fractures compared with conventional internal fixation.
- Trial name
- NCT02964754
- Testing
- CT scan for internal fixation, conventional internal fixation
- Volunteers
- 63 people
- Sponsor
- Qinghai University