Clinical trials: Retrospective
COVID-19, COVID-19 Pandemic
Accelerating COVID-19 Clinical Recovery in the Outpatient Setting: Retrospective Analysis
The purpose of this retrospective study is to evaluate the effectiveness of CPM nasal spray as part of the treatment of COVID-19 and its impact on clinical symptoms. Two cohort groups will be compared (CPM vs. standard care).
- Conditions
- COVID-19, COVID-19 Pandemic, COVID-19 Respiratory Infection, SARS CoV 2 Infection
- Trial name
- ACCROS-R (NCT05520944)
- Testing
- ClorNovir® (Chlorpheniramine) 0.4% Nasal Spray
- Where
- Dominican Republic
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Dr. Ferrer BioPharma
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
Cataract
Clinical Behavior of the Asqelio™ Trifocal Diffractive Intraocular Lens
The main objective of this study was to evaluate distance, intermediate, and near vision in patients who have undergone cataract extraction with bilateral implantation of a new hydrophobic trifocal diffractive intraocular lens…
- Trial name
- NCT05776446
- Where
- Spain
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- AST Products, Inc.
Fracture, Influenza Vaccination
Influenza Vaccination Against Infectious Complications and Mortality in Older Adults With Fractures: a Large-scale Retrospective Cohort Study
Background: Both influenza and bone fractures are significant contributors to morbidity and mortality among older adults. This study evaluated the associations between influenza vaccination (IV) and adverse outcomes following…
- Trial name
- NCT07231016
- Where
- Taiwan
- Volunteers
- 561,566 people, healthy volunteers welcome
- Sponsor
- Taipei Medical University Hospital
ColoRectal Cancer, Colonic Polyp
Retrospective Study on Epidemiology of Colorectal Lesions
Retrospective analysis on colonoscopies in the endoscopy unit of the Lyell McEwin Hospital.
- Conditions
- ColoRectal Cancer, Colonic Polyp, Colonic Neoplasms
- Trial name
- NCT03035136
- Volunteers
- 2,658 people, healthy volunteers welcome
- Sponsor
- Lyell McEwin Hospital
Maxillary Sinus Disease
Do Penicillin-allergic Patients Presents a High Risk of Sinus Lift Failure
This retrospective study aims to evaluate clinical histories to determine if there is a relationship between patients allergic to penicillin and sinus lift failure and the possible post-operative complications that may arise.
- Trial name
- NCT06504888
- Testing
- Penicillin
- Where
- Spain
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Universitat Internacional de Catalunya
Cholecystitis, Inguinal Hernia, Direct
No Need for Neuromuscular Blockade in Daycase Laparoscopic Surgery
This study analyse the need for neuromuscular blockade in consecutive routine laparoscopic procedures without standard use of neuromuscular blockade in an ambulatory laparoscopic surgery setting and analyse specific reasons for…
- Conditions
- Cholecystitis, Inguinal Hernia, Direct, Umbilical Hernia
- Trial name
- NCT02782832
- Volunteers
- 1,245 people, healthy volunteers welcome
- Sponsor
- Hvidovre University Hospital
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
Obesity
MCE for Gastric Examination in Obese People
This retrospective study aimed to evaluate the feasibility and safety of MCE for the detection of gastric disease in obese people.
- Trial name
- NCT05909124
- Testing
- MCE
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Changhai Hospital
Respiratory Failure, Respiratory Arrest
Postoperative Respiratory Abnormalities
The study aims to determine how historical cases of respiratory abnormalities are documented by clinicians in the electronic health records (EHR) of Memorial Hermann Healthcare System (MHHS) inpatient facilities.
- Conditions
- Respiratory Failure, Respiratory Arrest, Respiratory Distress Syndrome, Acute Respiratory Failure
- Trial name
- AI-ARF (NCT04079829)
- Testing
- Observational retrospective cohort to describe data validity; and Data reliability; and Completeness of the data
- Where
- United States
- Volunteers
- 50,000 people, healthy volunteers welcome
- Sponsor
- Efficacy Care R&D Ltd
Emergency Medicine
Development of a Natural Language Processing Tool to Enable Clinical Research in Emergency Medicine
The goal of this retrospective cohort study is to develop and validate a language model that can interpret the contents of emergency department electronic medical records and extract relevant information for research purposes in…
- Trial name
- NLP-DeVal (NCT06240572)
- Testing
- no intervention
- Where
- 8 sites in Italy
- Volunteers
- 300,000 people, healthy volunteers welcome
- Sponsor
- Mario Negri Institute for Pharmacological Research
Degenerative Disc Disease
Retrospective Multicenter Clinical Evaluation of Complications for Single or Multilevel VEO® Lateral Access and Interbody Fusion System and eXtreme Lateral Interbody Fusion (XLIF®) Subjects
The purpose of this retrospective clinical evaluation is to compare VEO® single or multilevel results to XLIF® single or multilevel results relative to the safety endpoints.
- Trial name
- NCT01878149
- Where
- 4 sites in United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Baxano Surgical, Inc.
Paediatric Trauma
Paediatric Rural vs Urban Trauma
Retrospective cohort study examining paediatric trauma admission over 1 year in a rural hospital vs urban centre
- Trial name
- NCT04760886
- Testing
- Type of hospital (rural DGH vs Urban MTC)
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Mrs Jennifer M Dunn
Peri-Implantitis, Implant Expulsion
Evaluation of the Novel Implant Disease Risk Assessment : a Retrospective Study (IDRA)
Given the novelty of this risk assessment tool, this study will be interested in evaluating its effectiveness through a retrospective approach.
- Trial name
- IDRA (NCT04888572)
- Testing
- Peri-Apical X-ray
- Where
- Lebanon
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Saint-Joseph University
COVID-19
Contagiousness and Immunogenicity Status of COVID-19 in Asymptomatic Population (COVID-19 CONDITION)
In late December 2019, a new coronavirus strain emerged in China causing coronavirus disease 2019 (COVID-19). Since then, COVID-19 has become a global pandemic outbreak being declared a "public health emergency of international…
- Trial name
- CONDITION (NCT04389658)
- Where
- Spain
- Volunteers
- 1,526 people, healthy volunteers welcome
- Sponsor
- Igenomix
Cataract, Lens Opacities
PMCF Retrospective Study Outcomes of a Premium Monofocal IOL
Multicentric, retro- / prospective, open-label, observational PMCF study to investigate visual performance, contrast sensitivity and patient satisfaction after mono- or bilateral implantation of Isopure 1.2.3.
- Trial name
- PHY2110 (NCT04874376)
- Testing
- IOL implantation experimental (Isopure 1.2.3.)
- Where
- 6 sites in Spain
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Medication and Supplement Use During Pregnancy
Retrospective Analysis of Hospital Medical Records on Medication and Supplement Use in Pregnant Women
Monocentric study in University Hospitals Leuven (campus Gasthuisberg). Hospital medical records from all pregnant women who delivered between 01/07/2015 and 31/12/2015 in University Hospitals will be analyzed for the presence of…
- Trial name
- NCT02842216
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Venous Thromboembolism
RIVET - Retrospective Cohort Study on the Risk of Venous Thromboembolism
The risk of venous thromboembolism (VTE) associated with the use of chlormadinone acetate (CMA) compared to the gold-standard progestin levonorgestrel (LNG) as component of combined oral contraceptives (COC) is currently unknown.
- Trial name
- RIVET-RCS (NCT02828904)
- Where
- Germany
- Volunteers
- 124,000 people, healthy volunteers welcome
- Sponsor
- Center for Epidemiology and Health Research, Germany
Breast Cancer
Multi-Reader, Multi-Case, Cross-Over, Retrospective Study to Evaluate Effectiveness of Lunit INSIGHT DBT
This study aims to evaluate Effectiveness of Lunit INSIGHT DBT in the assistance of detection and diagnosis of breast cancer during 3D mammography interpretation
- Trial name
- NCT05716958
- Testing
- Digital Breast Tomosynthesis
- Where
- United States
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Lunit Inc.
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