Clinical trials: Retrospective
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
Wrinkles and Rhytides
Treatment of Aging Signs of the Skin With Bipolar Radiofrequency
This is a retrospective data collection from patients treated with the bipolar radiofrequency applicator (Coaxipolar) of the Accent devices.
- Trial name
- NCT07739212
- Where
- Kosovo
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Alma Mater Europaea College of Medical Sciences "Rezonanca"
Intrahepatic Cholangiocarcinoma, Machine Learning
A Machine-learning Model to Predict Lymph Node Metastasis of Intrahepatic Cholangiocarcinoma
The object of this study is to develop a model for prediction of lymph node metastasis among intrahepatic cholangiocarcinoma (ICC) patients.
- Trial name
- NCT06290739
- Testing
- lymph nodes dissection
- Where
- China
- Volunteers
- 483 people, healthy volunteers welcome
- Sponsor
- West China Hospital
Distal Radius Fracture
What is the Rate of Surgical Treatment in Adult Patients With Displaced Distal Radius Fractures Managed According to the Danish National Clinical Practice Guidelines? - A Single Center Retrospective Cohort Study
Through this study we aim to investigate the rate of DRFs initially treated with successful closed reduction (to an acceptable position, then immobilized in a plaster cast), that re-displace and end up requiring surgery.
- Trial name
- NCT05722808
- Where
- Denmark
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Nordsjaellands Hospital
Primary Ciliary Dyskinesia, Kartagener Syndrome
Physical Fitness, Exercise Capacity and Activities of Daily Living in Primary Ciliary Dyskinesia: a Retrospective Study
Decreased pulmonary function, peripheral muscle strength, and exercise capacity were reported in primary ciliary dyskinesia (PCD) in recent studies.
- Conditions
- Primary Ciliary Dyskinesia, Kartagener Syndrome, Immotile Cilia Syndrome
- Trial name
- NCT05040607
- Testing
- Data Collection
- Where
- Turkey (Türkiye)
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Dental Implants
Immediate Loading of Implants in Totally Edentate Upper and Lower Jaw. Trial to Evaluate Survival of the Implants and Bridges, Quality of Prosthetic Work and Patient Satisfaction
This study is an evaluation of the survival of the implants and bridges, quality of prosthetic work and patient satisfaction after immediate loading of the implants in a totally edentate upper and lower jaw.
- Trial name
- NCT00147992
- Testing
- Immediate loading of implants in totally edentate upper and lower jaw
- Where
- Belgium
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University Hospital, Ghent
Bronchopulmonary Dysplasia (BPD), Chronic Lung Disease of Newborn
Long-Term Burden of BPD and Health-Related Quality of Life (BronQ Family)
The objective of this study is to examine the long-term impact of having a child with Bronchopulmonary Dysplasia (BPD) on the parents and caregivers from the time of diagnosis through adulthood.
- Conditions
- Bronchopulmonary Dysplasia (BPD), Chronic Lung Disease of Newborn, HRQOL (Health Related Quality Of Life)
- Trial name
- BronQ Family (NCT07134387)
- Testing
- N/A, no intervention, participation in survey
- Where
- Germany
- Volunteers
- 480 people, healthy volunteers welcome
- Sponsor
- Global Foundation for the Care of Newborn Infants
the Complexity of Implant Surgery
Factors Associated With the Complexity of Dental Implant Surgery After Alveolar Ridge Preservation: A Retrospective Cross-sectional Study
Alcohol consumption, tooth position, and periodontitis-related tooth extraction affect the complexity of subsequent implant surgery after alveolar ridge preservation.
- Trial name
- NCT05657223
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- Kaohsiung Medical University Chung-Ho Memorial Hospital
Preeclampsia
A Retrospective Review of the Seasonality of Pre-Eclampsia
This retrospective review will will attempt to determine whether our data show a significant difference in number of deliveries of women with pre-eclampsia compared to deliveries without pre-eclampsia during certain months of the…
- Trial name
- NCT00826696
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Oklahoma State University Center for Health Sciences
Immunologic Tests
A Laboratory Evaluation of the Humoral Immune Response in Adults and Children to the H1 Hemagglutinin (HA) Stalk Domain and Other Influenza A Virus Protein Epitopes, After Administration of GlaxoSmithKline (GSK) Biologicals' Pandemic Influenza Vaccines
The purpose of this exploratory, retrospective laboratory study is to assess the humoral immune response to H1 hemagglutinin stalk domain and other influenza A virus protein epitopes following administration, in adults and…
- Trial name
- NCT02415842
- Testing
- Serum samples
- Where
- United States
- Volunteers
- 414 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Success of Operation
Comparative Study of Laparoscopic Combined Trans-vesical and Extravesical Versus Laparoscopic Extravesical Fistula Excision in Uterovesical Fistula Repair: A Retrospective Observational Study
The aim of this study is to compare between laparoscopic combined trans-vesical and extravesical versus laparoscopic extravesical fistula excision in uterovesical fistula repair.
- Trial name
- NCT06803160
- Testing
- Laparoscopic Extravesical Fistula Excision of Uterovesical Fistula, Laparoscopic Combined Fistula Excision of Uterovesical Fistula
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Asthma
REALL: A Retrospective Observational Study to Compare the Effectiveness and Cost-Effectiveness Between Different Step-3 Asthma Treatment Strategies
This is a retrospective observational study utilising anonymised individual patient clinical and prescribing information routinely collected by UK General Practitioners (GPs).
- Trial name
- REALL (NCT00628563)
- Where
- United Kingdom
- Volunteers
- 50,000 people, healthy volunteers welcome
- Sponsor
- University of Aberdeen
Implant Survival Rate, Implant Survival and Success
Proton Pump Inhibitor Use and Dental Implant Success
The goal of this observational study is to evaluate the effects of proton pump inhibitors (PPIs) on the surrounding bone and the survival of dental implants.
- Trial name
- NCT06848855
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Berkay Tokuç
Covid19
Experience of an Emergency Intensive Care Unit During COVID-19 Pandemic
COVID-19, which emerged in China in December 2019, has become a pandemic with its spread to many countries of the world. Emergency departments also carried out an important part of the fight against pandemics in our…
- Trial name
- NCT04480060
- Testing
- COVID-19 diagnostic PCR
- Where
- Turkey (Türkiye)
- Volunteers
- 100,000 people, healthy volunteers welcome
- Sponsor
- Kanuni Sultan Suleyman Training and Research Hospital
Gestational Diabetes
Risk Factors and Diagnostic Performance of Predictors as a Screening Technique for Gestational Diabetes Mellitus
Background Gestational diabetes mellitus (GDM) is a condition that can have negative impacts on both mother and baby. Detecting GDM early is crucial, and fasting plasma glucose (FPG) has been suggested as a possible screening…
- Trial name
- NCT06109597
- Testing
- 75 g glucose tolerance test
- Where
- Saudi Arabia
- Volunteers
- 247 people, healthy volunteers welcome
- Sponsor
- King Abdulaziz Medical City
Immune Thrombocytopenia (ITP)
Longitudinal Observational Study on Immune Thrombocytopenia
Immune Thrombocytopenia (ITP) is a bleeding disorder characterized by immune-mediated destruction and/or impaired production of platelets, leading to clinical manifestations such as petechiae, purpura, mucosal bleeding, and in…
- Trial name
- NCT07068425
- Where
- China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Peking University People's Hospital
Heart Failure
Withings HFRN Retrospective Study
This is a fully decentralized retrospective, non-interventional study evaluating the diagnostic performance of the Withings Heart Function Risk Notification (HFRN), a software-only medical device (SaMD)
- Trial name
- NCT07654491
- Testing
- Withings Heart Function Risk Notification (HFRN), Claims-based heart-failure adjudication (reference standard)
- Where
- France
- Volunteers
- 9,000 people, healthy volunteers welcome
- Sponsor
- Withings
Hip Arthrosis, Hip Injuries
Retrospective Assessment of the Morphology of Acetabular Defects: A 3D Reconstruction Approach
In this study, we aim to develop a statistical shape model and use it to reconstruct the shape of acetabula with severe defects (Paprosky 3a-3b). This will allow us to visualise and assess the morphology of the missing bone.
- Trial name
- NCT04638140
- Where
- Belgium
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Neuropathic Pain, Complex Regional Pain Syndrome
IV Lidocaine Infusion for Neuropathic Pain
The investigators will conduct a retrospective cohort study of patients who have undergone i.v. lidocaine infusions in the previous 2 years for suspected neuropathic pain of heterogeneous origin.
- Conditions
- Neuropathic Pain, Complex Regional Pain Syndrome, Chronic Pain
- Trial name
- NCT05731739
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Henry Ford Health System
Body Fat Disorder
Retrospective Study of Patient Surveys
To collect data from Allergan Patient Surveys (patient surveys) and Allergan Patient Information Form (patient information form) to describe: 1. Patient demographics 2. Treatment patterns 3.
- Trial name
- NCT04199806
- Testing
- Questionnaire review
- Volunteers
- healthy volunteers welcome
- Sponsor
- Zeltiq Aesthetics