Clinical trials: Retrospective
Decision Tree Analysis
Clinical Decision Tree Analysis of Hemodialysis Arteriovenous Access Choices and Creations - a Multiple-center Retrospective Cohort Study
Our study aim was to utilize a decision tree analysis (DTA) model to gain insight into the decision-making process within a multiple-center cohort.
- Trial name
- NCT06364449
- Testing
- No intervention
- Where
- Taiwan
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Placental Abruption, Placenta Diseases
Study on Retroplacental Hematomas in Finistère
Cases with placental abruption will be identified by interrogation of two databases of Brest University Hospital between January 2013 and December 2018. First trimester PAPPA and bhCG levels will be recorded.
- Trial name
- HEMOPLACENTA (NCT04168606)
- Where
- France
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- University Hospital, Brest
Cervical Cancer Screening
Comparison of the Hologic Genius Digital Diagnostics System With the ThinPrep Imaging System
Quality assurance of the laboratory examinations. Retrospective non-interventional study with ThinPrep slides collected as part of the German Co-Screening Program for routine diagnostic.
- Trial name
- NCT05000125
- Testing
- Hologic's Genius Digital Diagnostics System
- Where
- Germany
- Volunteers
- 1,994 people, healthy volunteers welcome
- Sponsor
- Hologic Deutschland GmbH
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
Frailty, Surgery
Retrospective Analysis of Sarcopenia in Older Patients Undergoing Laparotomy
Assess the influence of sarcopenia on outcomes of emergency laparotomy in the over 65 age group
- Conditions
- Frailty, Surgery, Emergencies
- Trial name
- NCT04493710
- Testing
- Sarcopenia estimation
- Where
- United Kingdom
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Wirral University Teaching Hospital NHS Trust
Respiratory Syncytial Virus Infections
A Follow-up Study to Describe the Safety of Study Participants Who Received RSVPreF3 Maternal Vaccination (Any Dose) or Controls From Previous RSV MAT Studies During Any Pregnancy Conceived Post Vaccination/Control
The purpose of this follow-up study was to describe the safety in subsequent pregnancies in participants who were previously administered the RSVPreF3 maternal vaccine or control during any prior RSV MAT study.
- Trial name
- NCT05705440
- Testing
- RSVPreF3 vaccine, Control
- Where
- 138 sites in United States, Argentina and 21 more
- Volunteers
- 3,855 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
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
Periodontal Diseases
Comparison of Free Gingival Graft and Modified Apical Repositioning Flap Techniques
Attached gingiva, a crucial component of the keratinized tissue, plays a vital role in preserving periodontal health. The free gingival graft (FGG) and modified apically repositioned flap (MARF) techniques are frequently used for…
- Trial name
- NCT06253910
- Testing
- Patients selection, Recall visits
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Sleep Disorder (Disorder), Autism Spectrum Disorder
"Sleep Patterns and EEG Structure in Youth With Autism: Links With Behavior and Parental Stress"
This retrospective observational study is designed to investigate sleep patterns, as well as both the macrostructure and microstructure of sleep, in a large cohort of children and adolescents diagnosed with Autism Spectrum…
- Trial name
- NCT07122388
- Testing
- Questionnaires about autism spectrum disorders and sleep and PSG., ADOS-2, ADI-R, SRS-2, PSG
- Where
- Italy
- Volunteers
- 187 people, healthy volunteers welcome
- Sponsor
- University of Campania Luigi Vanvitelli
Persistent/Chronic Low Back Pain
A Retrospective Study to Identify New "Omics" Biomarkers of Chronic/Persistent Low Back Pain
Low back pain (LBP) is one of the most common medical problems encountered in daily life; it is related to disability and work absence and accounts for high economical costs in Western societies.
- Trial name
- NCT02037789
- Where
- 6 sites in United States, Australia and 3 more
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Parma
Diagnoses Disease
Evaluation of Clinical Decision Support System-mPDia for Neurodegenerative Parkinsonism Using MRI Images
mPDia is a software that has been pre-learned based on a neurodegenerative parkinsonism diagnosis model using Nigrosome 1 MRI images, and clinical decision support system for diagnosing neurodegenerative parkinsonism by…
- Trial name
- NCT04334902
- Testing
- mPDia
- Where
- 10 sites in South Korea
- Volunteers
- 221 people, healthy volunteers welcome
- Sponsor
- Heuron Inc.
Chronic Low Back Pain
Cytochrome P450 Pharmacokinetic DDIs Among Patients With Chronic Low Back Pain Taking Opioids
Using a retrospective analysis of a large commercial claims database and a Medicare database, the investigators evaluated DDEs that have the potential to cause DDIs among chronic low back pain (cLBP) patients on long-term opioid…
- Trial name
- NCT01177241
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- NEMA Research, Inc.
Psoriasis
Adalimumab Biosimilar in Clinical Practice
This is an observational, retrospective, multicenter, and descriptive study of patients treated with adalimumab biosimilar for psoriasis, according to clinical practice.
- Trial name
- NCT04808739
- Testing
- Adalimumab
- Where
- Spain
- Volunteers
- 604 people, healthy volunteers welcome
- Sponsor
- Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau
Herpes Zoster
Long-term Effectiveness of the Live Attenuated Herpes Zoster Vaccine
This is a multicenter retrospective cohort study to evaluate the long-term effectiveness of the live attenuated herpes zoster vaccine within 6 years after vaccination.
- Trial name
- NCT07585370
- Testing
- Attenuated Zoster Vaccine, Live
- Where
- China
- Volunteers
- 24,740 people, healthy volunteers welcome
- Sponsor
- Jiangsu Province Centers for Disease Control and Prevention
Knee Arthritis Osteoarthritis, Cruciate Ligament Rupture
A Retrospective and Prospective Study: Monocompartimental Knee Arthroplasty Combined With Anterior Cruciate Ligament Reconstruction Surgery - a Pilot Study
This study aims to collect datas about patient who underwent simultaneous monocompartimental knee replacement and anterior cruciate ligament recontruction
- Trial name
- MONO-LCA (NCT07377669)
- Testing
- UKA + ACLr
- Where
- Italy
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Istituto Ortopedico Rizzoli
Postpartum Depression
Postpartum Depression and Cesarean Section
The purpose of this retrospective study is to determine if there is an increase in postpartum depression (PPD) among women who undergo an emergency cesarean section as opposed to a planned cesarean section.
- Trial name
- NCT00370903
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Oklahoma State University Center for Health Sciences
Comparison of Short- Term Success Rates of POEM With LHM, Comparison of Long-term Success Rates of POEM With LHM
Comparison of Peroral Endoscopic Myotomy (POEM) With Laparoscopic Heller Myotomy (LHM) for Treatment of Achalasia
For the treatment of Achalasia, LHM has been the only surgical therapy. Recently, an endoscopic approach for this therapy has been developed (peroral endoscopic Myotomy POEM).
- Trial name
- POEM3 (NCT02018705)
- Where
- 5 sites in Denmark, Germany and 2 more
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Contraception
IUB(TM) SCu300B - Post Marketing Performance Study in Austria
Participating investigators will locate all IUB B insertions conducted at their facility at least 12 month prior the initiation of study data collection. The study is composed of 2 parts.
- Trial name
- NCT02778061
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Ocon Medical Ltd.
Gender, Postoperative Pain
Acute Postthoracotomy Pain - Impact of Gender
Adequate analgesia in thoracic surgery is essential to prevent severe postoperative complications, especially respiratory problems.
- Conditions
- Gender, Postoperative Pain, Thoracotomy, Analgesia
- Trial name
- NCT03281213
- Testing
- Thoracotomy
- Where
- Austria
- Volunteers
- 346 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
Valvular Heart Diseases, Valvular Heart Disease Stenosis and Regurgitation
ECG and CXR for Predicting Cardiovascular Diseases
This retrospective multicenter cohort study aims to develop and validate an artificial intelligence model integrating electrocardiography (ECG) and chest radiography (CXR) to predict future progression of regurgitant valvular…
- Conditions
- Valvular Heart Diseases, Valvular Heart Disease Stenosis and Regurgitation, Regurgitation, Aortic Valve, Regurgitation, Mitral
- Trial name
- NCT07573852
- Where
- China
- Volunteers
- 116,380 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital