Clinical trials: Retrospective
Facet Joint Pain; Low Back Pain, Facet Joints; Degeneration ; Deep Learning ;Artificial Intelligence
Quantitative Assessment of Lumbar Facet Joint Degeneration, A Retrospective Study.
Observational study The purpose of this observational study was to understand the quantitative assessment of the degree of degeneration of lumbar facet joints, and to improve the Weishaupt grading system by using gray-scale curve…
- Conditions
- Facet Joint Pain; Low Back Pain, Facet Joints; Degeneration ; Deep Learning ;Artificial Intelligence, Facet Joint Disease
- Trial name
- NCT06786611
- Testing
- MRI
- Where
- China
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Shanghai Changzheng Hospital
Rectal Cancer, Gender
Gender Differences in Robotic Surgery for Rectal Cancer: a Retrospective Study
Objective: To investigate gender-based differences in outcomes following robotic surgery for rectal cancer. Methods: A retrospective study was conducted on 155 patients (82 males, 73 females) who underwent robotic surgery for…
- Conditions
- Rectal Cancer, Gender, Complication,Postoperative, Surgery-Complications
- Trial name
- NCT06391060
- Testing
- Impact of Gender on Davinci rectal surgery
- Where
- China
- Volunteers
- 155 people, healthy volunteers welcome
- Sponsor
- Daorong Wang
Myopia
Sustained Effect of Red-light Therapy for Myopia Control: A 2-Year Post-Trial Follow-up Study
To evaluate the long-term efficacy and safety of red-light therapy for myopia control over 2 years, and the potential rebound effect after treatment cessation.
- Trial name
- NCT06232161
- Testing
- Red-light therapy device, Spectacles
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
Labor Pain, Pregnancy
The Association Between Decreasing Labor Analgesia Epidural Infusion and Forceps Delivery
The objective of this study will be to compare epidural infusion management, specifically looking at infusion rate changes, in patients who receive forceps deliveries versus normal spontaneous vaginal deliveries.
- Trial name
- NCT00443560
- Testing
- Case controlled analysis of epidural labor analgesia patterns
- Where
- United States
- Volunteers
- 2,162 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Pregnancy Related, Pre-Eclampsia
Understanding Post-translational Modifications to Circulating Histones Via Mass Spectrometry in Pregnant Women Developing Pre-eclampsia: A Retrospective Study
This is a descriptive pilot study on a ready-constituted biobank (outside the Jardé Law). It is an ancillary study to the "GrossPath" cohort (RCB ID number: 2014-A01120-47).
- Trial name
- GHISPE (NCT05142410)
- Testing
- Analysis of post-translational histone modifications via mass spectrometry
- Where
- France
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Nīmes
Immunomodulatory Drugs, Killer-cell Immunoglobulin-like Receptors (KIRs)
Effect of Immunomodulatory Treatment on IVF (in Vitro Fertilization) Outcomes in Patients With KIR AA Genotype
The aim of the study is to investigate the immune cause of recurrent implantation failure (RIF) and the role of immunomodulatory treatment in IVF (in vitro fertilization) patients that have a KIR AA genotype.
- Conditions
- Immunomodulatory Drugs, Killer-cell Immunoglobulin-like Receptors (KIRs), KIR Alleles (KIR AA)
- Trial name
- NCT06264206
- Testing
- Killer-cell immunoglobulin-like receptors (KIRs) testing
- Where
- Romania
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Calla IVF Center
Low-level Laser Therapy
Effect of Low-Level Laser Therapy Following Direct Pulp Capping on Postoperative Sensitivity by Thermal Stimulus
The aim of this study was to investigate the effect of low-level laser therapy (LLLT) on postoperative pain provoked by thermal stimulation in direct pulp capping.
- Trial name
- NCT04367324
- Testing
- Low-level laser therapy
- Where
- Turkey (Türkiye)
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Ordu University
Complex Dyslipidemia
A Observational Study to Evaluate Lipid-lowering Drug Its Effect on Parameters in Dyslipidemia of Type 2 Diabetes.
1. Target disease: Patients with combined dyslipidemia accompanied by type 2 diabetes who has done exogenous visit or hospitalization from Jan 2010 to June 2014. 2. Study objective: 1.
- Trial name
- NCT02382159
- Where
- South Korea
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Yooyoung Pharmaceutical Co., Ltd.
Dental Prosthesis, Implant-Supported
A Retrospective Data Collection on NobelProcera® Zirconia Implant Bridges from 4 to 14 Units.
This is a retrospective multicenter data collection in which clinical and radiographic data on implant zirconia bridges are collected from partially or fully edentulous subjects consecutively treated with at least one 4- to…
- Trial name
- NCT06600451
- Testing
- observational study, no intervention is required
- Where
- Switzerland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Nobel Biocare
Partial Edentulism
Impact of Cantilever Design on Clinical, Radiographic, and Volumetric Parameters: a Retrospective Study
The present retrospective study aims to evaluate the impact of cantilever design in the posterior areas of the mandible on clinical, radiographic, and volumetric parameters with an 8-year follow-up.
- Trial name
- NCT06104163
- Where
- Italy
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Catania
Laparoscopic Sleeve Gastrectomy, Sleeve Gastrectomy
A Retrospective Multicenter Comparison of Laparoscopic and Robotic-Assisted Roux-en-Y Gastrectomy
The prevalence of obesity has tripled in the last 50 years with presently about 1.7 billion of the world population aged 18 years and over either overweight or obese.1 In the US alone, 35% of the population is obese.2 Although…
- Trial name
- NCT05224791
- Testing
- Roux-en-Y Gastric Bypass, Sleeve Gastrectomy
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Methodist Health System
Fungal Infections
Fungal Infections During and After the SARS-CoV-2 Pandemic: A Retrospective Comparison
his study aims to retrospectively compare fungal positivity rates between the SARS-CoV-2 pandemic and the post-pandemic periods.
- Trial name
- NCT06483815
- Testing
- Culture, İsolation
- Where
- Turkey (Türkiye)
- Volunteers
- 1,441 people, healthy volunteers welcome
- Sponsor
- Bekir Sami Uyanık
Covid19
Epidemiological Study of the COVID-2019 in Participating Organizations.
Exhaustive, cross-sectional, non-interventional, multicenter retrospective epidemiological study, case study aimed to determine the relationship between the systematic use of prophylactics to prevent SARS, including COVID-2019…
- Trial name
- NCT05043142
- Testing
- ELISA test for the antibodies to COVID-2019.
- Where
- 7 sites in Ukraine
- Volunteers
- 3,632 people, healthy volunteers welcome
- Sponsor
- Yuria-Pharm
Acute Kidney Injury, Congenital Heart Disease
Acute Kidney Injury After Cardiac Surgery on CPB
The purpose of this retrospective study is to determine the incidence and severity of acute kidney injuries (AKI) after heart surgery on cardiopulmonary bypass (CPB) in the pediatric intensive care unit (PICU) in Lausanne…
- Conditions
- Acute Kidney Injury, Congenital Heart Disease, Surgery, CBP
- Trial name
- NCT03513718
- Where
- Switzerland
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Vaudois
Intracranial Aneurysm, Subarachnoid Hemorrhage, Aneurysmal
Epidemiological Insights Into the Formation, Progression, and Rupture of Intracranial Aneurysms: A Retrospective, Multi-Center Hospital-Based Study in China
This is a retrospective, hospital-based and multi-center study aiming at investigating the potential exposures associated with the formation, progression, and rupture of intracranial aneurysms in Chinese population.
- Conditions
- Intracranial Aneurysm, Subarachnoid Hemorrhage, Aneurysmal, Cerebral Aneurysm, Brain Aneurysm
- Trial name
- NCT06456814
- Where
- China
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- Zhujiang Hospital
Hypertension
Withings Hypertension Notification Retrospective Study
This retrospective, non-interventional clinical investigation evaluates the diagnostic performance of the Withings Hypertension Notification Feature (HTNF), a software-only medical device (SaMD) that analyzes demographic…
- Trial name
- HTNF (NCT07631715)
- Testing
- Withings Blood Pressure Monitor (reference), Withings Hypertension Notification Feature (HTNF)
- Where
- France
- Volunteers
- 2,500 people, healthy volunteers welcome
- Sponsor
- Withings
Ovarian Cancer
Early Detection of Ovarian Cancer Using Plasma Cell-free DNA Fragmentomics (Retrospective Study)
The purpose of this study is to enable non-invasive early detection of ovarian cancer in high-risk populations through the establishment of a multimodal machine learning model using plasma cell-free DNA fragmentomics.
- Trial name
- NCT05693974
- Where
- China
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Accuracy, Operation Time
Retrospective Study on the Application of Tooth-bone Dual-support Osteotomy/Location Plate in "Surgery-first" Orthognathic Treatment
The goal of this observational study is to learn the accuracy of tooth-bone dual-support osteotomy/location guide plate compared with conventional CAD/CAM interocclusal splints in "surgery-first" orthognathic surgeries.
- Trial name
- NCT07622758
- Testing
- orthognathic surgery
- Where
- China
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College
Organ Preservation, Liver Transplantation
Long-term Outcomes After Hypothermic Oxygenated Machine Perfusion of Donor Livers Using Real-world Data
End-ischemic hypothermic oxygenated machine perfusion (HOPE) of human donor livers mitigates ischemia-reperfusion injury, resulting in a reduction of post-reperfusion syndrome, early allograft dysfunction and biliary…
- Conditions
- Organ Preservation, Liver Transplantation, Hypothermic Machine Perfusion
- Trial name
- HOPE-REAL (NCT05520320)
- Testing
- Hypothermic oxygenated machine perfusion (any device)
- Where
- 2 sites in Netherlands, Switzerland
- Volunteers
- 1,202 people, healthy volunteers welcome
- Sponsor
- University Medical Center Groningen
Pain, Postoperative
Multicentric Risk Evaluation of Autologous Fat Grafting Procedure
Autologous fat grafting, also known as lipofilling, is a surgical technique consisting in the processing and transfer of adipose tissue from one area in our organism (hips, thighs) to region which in need of reconstructive and…
- Trial name
- NCT04130373
- Testing
- Autologous fat grafting procedure, Breast reconstruction
- Where
- Italy
- Volunteers
- 6,510 people, healthy volunteers welcome
- Sponsor
- Humanitas Clinical and Research Center