Clinical trials: Segmentation; Bone
Patient With a History of Previous Radiotherapy
Deep Learning for Automatic Segmentation of Bone Sequestra on Orthopantomographs: A UNet-Based Approach
This study developed and evaluated a UNet-based deep learning model for automatic segmentation of bone sequestra on orthopantomographs (OPGs), with the goal of improving diagnostic efficiency and reducing inter-observer…
- Trial name
- Deep Learning (NCT07809048)
- Testing
- Radiographic Evaluation
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- Izmir Katip Celebi University
SPINAL Fracture
Short Segment vs Long Segment Fixation in Traumatic Dorsolumbar Spine Fractures
A prospective study included 91 patients, who had single level thoracolumbar fracture with Cobb's angle ≤ 25⁰, underwent posterior fixation.
- Trial name
- NCT03272243
- Testing
- short segment posterior spine fixation, long segment posterior spine fixation
- Volunteers
- 91 people
- Sponsor
- Ain Shams University
Anatomical Pathological Condition, Educational Problems
3D Printed Enlarged Carpal Models for Anatomy Training
3D modeling enables medical professionals or students to better understand complex structures. In many studies, 3D printed models have been used in the training, treatment and surgery of medical disciplines such as neuroscience…
- Trial name
- NCT06639633
- Testing
- Anatomy Training with Enlarged %100 3D Printed Carpal Model Group, Anatomy Training with Enlarged %50 3D Printed Carpal Model Group, Anatomy Training with Conventional Carpal Models
- Where
- Turkey (Türkiye)
- Volunteers
- 147 people, healthy volunteers welcome
- Sponsor
- Abant Izzet Baysal University
Reverse Shoulder Prosthesis
An Algorithm Creation by Automated Segmentation by MRI for Bone and Muscles of Shoulder
The primary objective of the study is to develop an algorithm of automated segmentation of shoulder by MRI examinations.
- Trial name
- SEGMENTATION (NCT05376813)
- Testing
- CT-Scan and MRI
- Volunteers
- healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Impacted Third Molar Tooth, Osteotomy
Fracture Pattern Following Bilateral Sagittal Split Osteotomy With or Without Impacted Third Molars
The goal of this clinical trial is to investigate the hypothesis that there are none difference in the treatment result of orthognathic surgery on the lower jaw, with interoperative wisdom tooth removal rather than preoperative…
- Conditions
- Impacted Third Molar Tooth, Osteotomy, Orthognathic Surgery, Mandibular Fractures
- Trial name
- NCT06338982
- Testing
- Interoperative wisdom tooth removal in conjunction with BSSO
- Where
- Denmark
- Volunteers
- 150 people
- Sponsor
- Kimie Bols Østergaard
Degenerative Lumbar Spinal Stenosis, Degenerative Disc Disease
Effect of Pre-existing Adjacent Segment Degeneration on Long-term Effectiveness After Lumbar Fusion Surgery
This is a prospective single-center study. Patients requiring posterior lumbar interbody fusion (PLIF) for lumbar degenerative disease are prospectively enrolled and followed.
- Conditions
- Degenerative Lumbar Spinal Stenosis, Degenerative Disc Disease, Degeneration Spine
- Trial name
- NCT04467944
- Testing
- Pre-existing degenerative factors at adjacent segment
- Where
- China
- Volunteers
- 210 people
- Sponsor
- Peking University Third Hospital
Vascular Diseases, Cardiovascular Diseases
The Long-term and Short-term Efficacy and Safety of Transplantation Autologous Bone Marrow Cells (BMCs) in Patients With the First STEMI (ST Segment Elevation Myocardial Infarction)
The purpose of this study is to test the hypothesis that the intracoronary transplantation of autologous mononuclear and CD 133 + bone marrow cells will improve left ventricular contractile function and will reduce the combined…
- Conditions
- Vascular Diseases, Cardiovascular Diseases, Acute Myocardial Infarction
- Trial name
- ESTABOMA (NCT01748383)
- Testing
- Transplantation of BMMCs, Transplantation of CD 133+ cells, stenting of IRA
- Where
- Russia
- Volunteers
- 85 people
- Sponsor
- Russian Academy of Medical Sciences
Maxillary Hypoplasia
Maxillary Segment Tipping During Transpalatal Distraction
The investigator proposes a multi-centre study to investigate tipping of teeth, bringing into consideration the height of the osteotomy line and the height and placement of the transpalatal distractor as possible factors.
- Trial name
- NCT04041388
- Testing
- Conebeam CT
- Where
- Belgium
- Volunteers
- 200 people
- Sponsor
- Universitair Ziekenhuis Brussel
Ankylosing Spondylitis (AS), Spine Fracture
A Retrospective Cohort Study About Surgical Efficacy for Lower Cervical Fractures in Ankylosing Spondylitis
The purpose of this retrospective cohort study was to observe and compare the efficacy of anterior cervical long segment fixation, posterior long segment fixation, and combined anterior and posterior fixation for the treatment of…
- Trial name
- NCT06873074
- Testing
- anterior long segment cervical fixation, posterior long segment cervical fixation, combined anterior and posterior fixation
- Where
- China
- Volunteers
- 162 people
- Sponsor
- Zhou Fang
Left Ventricular Function Systolic Dysfunction, Left Ventricular Function Diastolic Dysfunction
Cell Therapy in Diabetic Patients With ST-Segment Elevation Myocardial Infarction(STEMI)
The purpose of this study is to investigate the efficacy and mechanism of bone marrow mononuclear cells (BMMNC) transplantation for diabetic and non-diabetic patients with ST-segment elevation myocardial infarction (STEMI)who…
- Conditions
- Left Ventricular Function Systolic Dysfunction, Left Ventricular Function Diastolic Dysfunction, Death, Myocardial Reperfusion Injury
- Trial name
- NCT01307371
- Where
- China
- Volunteers
- 110 people
- Sponsor
- Xijing Hospital
Orthodontic Appliance Complication, Angle Class II Patients, Distalization
En Masse Distaliaztion Via Skeletal Anchorage
Comparing the efficacy and performance of two conventionally anchored distalizers after modifying them to be skeletally anchored.
- Trial name
- NCT05245929
- Testing
- Distalization
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Radiculopathy, Cervical, Myelopathy Cervical
Cervical Arthroplasty Cost Effectiveness Study (CACES)
To date, no consensus exists on which anterior surgical technique is more cost-effective to treat cervical degenerative disc disease (CDDD).
- Conditions
- Radiculopathy, Cervical, Myelopathy Cervical, Myelopathy, Compressive, Radiculopathy, Cervical Region
- Trial name
- CACES (NCT04623593)
- Testing
- ACDF, ACDA
- Where
- Netherlands
- Volunteers
- 198 people
- Sponsor
- Valérie Schuermans
Segmental Instability Post-laminectomy
Safety and Efficacy in Pain Reduction of CT-Guided Screw Fixation for Post-laminectomy Surgery Segment Spinal Instability: A Monocentric Study of 24 Patients (2023-2026)
Segmental instability of the spine following laminectomy or surgical arthrodesis is a common complication that often requires additional surgical intervention.
- Trial name
- NCT07443267
- Testing
- No intervention
- Where
- France
- Volunteers
- 24 people
- Sponsor
- Centre Hospitalier Universitaire de Nice
Spine Fracture
Comparison of Short Segment Mono-axial and Poly-axial Pedicle Screw Fixation for Thoracolumbar Fractures
Comparison of short segment mono axial and poly axial pedicle screw fixation in thoracolumbar fractures regarding the best correction of the fracture and deformity and the maintenance of the correction.
- Trial name
- NCT04032054
- Testing
- mono-axial and poly-axial screws
- Volunteers
- 50 people
- Sponsor
- Assiut University
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
Lumbar Disc Herniation, Lumbar Spinal Stenosis
Nurse-Led Early Standing Exercise After Lumbar Fusion in Older Adults
This single-center, randomized controlled trial aimed to evaluate the effects of a nurse-led early standing active exercise program on postoperative functional recovery in older adults undergoing short-segment lumbar fusion.
- Conditions
- Lumbar Disc Herniation, Lumbar Spinal Stenosis, Lumbar Spondylolisthesis, Degenerative Lumbar Scoliosis
- Trial name
- NCT07870993
- Testing
- Nurse-Led Early Standing Active Exercise Program, Routine Postoperative Rehabilitation
- Where
- China
- Volunteers
- 108 people
- Sponsor
- Xuanwu Hospital, Beijing
Zygomaticomaxillary Complex Fracture, Orbital Floor Fractures
Evaluating The Prebent Titanium Mesh for Zygomatico-Orbital Reconstruction in Twelve Patients Measuring Multiple Ophthalmologic Parameters, Aesthetic Results, Orbital Volume, Area of Bone Defect, Layout Angle, Gab Length and The Accuracy of Reconstruction
Purpose: The aim of this study was to evaluate the role of using a prebent titanium mesh on a 3D-printed model as an intraoperative guide to reconstruct orbito-zygomatic-maxillary complex (OZMC) fractures.
- Conditions
- Zygomaticomaxillary Complex Fracture, Orbital Floor Fractures, Ophthalmic Trauma
- Trial name
- NCT07103187
- Testing
- Zygomatico-Orbital reconstruction
- Where
- Egypt
- Volunteers
- 12 people
- Sponsor
- Tanta University
Spinal Diseases
A-MAV™ Anterior Motion Segment Replacement
The purpose of this clinical trial is to collect safety and effectiveness data concerning the A-MAV™ Anterior Motion Segment Replacement device as a method of treating patients with lumbar degenerative disc disease at one level…
- Trial name
- NCT00635934
- Testing
- A-MAV™ disc
- Where
- 3 sites in United States
- Volunteers
- 53 people
- Sponsor
- Medtronic Spinal and Biologics
Abdominal Cancer
Vessel- and Bone-based Ultrasound Registration
In this study we aim to develop an automatic artery and bone segmentation algorithm, which is required for future clinical implementation of US registration for surgical navigation.
- Trial name
- NCT05637346
- Testing
- Intra-operative ultrasound measurement
- Where
- Netherlands
- Volunteers
- 50 people
- Sponsor
- The Netherlands Cancer Institute
Adjacent Segment Disease, Lumbar Spinal Stenosis
Surgical Treatment of Adjacent Segment Stenosis
The goal of this clinical trial is to learn whether microdecompression alone is as effective as decompression with extension of fusion surgery in patients with symptomatic adjacent segment stenosis after previous lumbar fusion…
- Trial name
- STASS (NCT07661199)
- Testing
- Microsurgical Decompression with Extension of Fusion, Microsurgical Decompression Alone
- Where
- Germany
- Volunteers
- 338 people
- Sponsor
- Charite University, Berlin, Germany