Clinical trials: Retrospective
Smoking Cessation
Nicotine Replacement Therapy and Cardiovascular Disease
The aim of this study is to compare the cardiovascular disease event rate in smokers undertaking pharmacologically unaided smoking cessation attempts (the non-exposed group) with the event rate in smokers attempting smoking…
- Trial name
- NCT02195739
- Where
- United Kingdom
- Volunteers
- 61,050 people, healthy volunteers welcome
- Sponsor
- Research in Real-Life Ltd
Osteonecrosis of the Jaw
DPBRN Retrospective Cohort Study of Osteonecrosis of the Jaw
The purpose of this study was to determine the prevalence of ONJ in the patient population of 2 large HMOs and study the risk factors associated with the development of this condition.
- Trial name
- NCT01201330
- Where
- United States
- Volunteers
- 572,606 people, healthy volunteers welcome
- Sponsor
- Dental Practice-Based Research Network
Breast Neoplasm Female
Retrospective Comparative in Vitro Case-controlled Study of the Liquid Biopsy Test System in Women With Breast Cancer
Proof of Concept retrospective study. Women who have the diagnosis Breast Cancer ( confirmed by biopsy) will donate a blood samples.
- Trial name
- NCT04927130
- Testing
- ARNA Breast
- Where
- Russia
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- ARNA Genomics US Inc.
COVID-19, 2019 Novel Coronavirus Infection
Evaluating Clinical Parameters of COVID-19 in Pregnancy
Coronavirus infection, also known as COVID-19, has become a global pandemic with over 3 million cases and 250,000 deaths worldwide.
- Conditions
- COVID-19, 2019 Novel Coronavirus Infection, COVID-19 Infection
- Trial name
- COpregVID (NCT04470583)
- Where
- 2 sites in United Kingdom
- Volunteers
- 116 people, healthy volunteers welcome
- Sponsor
- Chelsea and Westminster NHS Foundation Trust
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
Hepatocellular Carcinoma, Liver Transplant Disorder
Liver Transplant for Larger Hepatocellular Carcinoma in Malatya: The Role of GGT and AFP
Retrospective data on 50 prospectively-collected HCC patients with beyond-Milan criteria with >6cm tumors were analyzed. 5-year OS of 76.2% was found in patients with both AFP <200 ng/ml and GGT <104 IU/mL with tumors less than…
- Trial name
- NCT04412161
- Testing
- Liver transplantation
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Inonu University
Preterm Birth, Gestational Diabetes Mellitus (GDM)
Evaluation of Maternal and Neonatal Outcomes in Women Are Conceived Through Assisted Reproductive Technology Compared to Other Fertility Treatments and Naturally Conceived Women: It is a Retrospective Cohort Study Conducted Over a 5-year Period at a Fertility Center in a Lebanese Hospital
Background: The number of couples experiencing difficulties conceiving and seeking treatment for infertility has increased dramatically over time.
- Conditions
- Preterm Birth, Gestational Diabetes Mellitus (GDM), Gestational Hypertension
- Trial name
- non (NCT06836843)
- Testing
- Since this is an observational study rather than an interventional study, the exposure type refers to all potential factors influencing pregnancy both before and during pregnancy
- Where
- Lebanon
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Lebanese University
Cataract
Analysis of Cataract Surgery Induced Dry Eye
This is a retrospective study to determine if rates of osmolarity and dry eye disease symptoms increase following cataract surgery.
- Trial name
- NCT01471561
- Where
- 4 sites in United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- TearLab Corporation
Chronic Low Back Pain
Prevalence of Potential Cytochrome P450 Pharmacokinetic Incident Drug-Drug Interactions Among Chronic Low Back Pain Patients Taking Opioid Analgesics and Associated Economic Outcomes
This study explored the prevalence of DDEs in a chronic pain population with cLBP and associated healthcare utilization and costs using a healthcare claims database.
- Trial name
- NCT01177280
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- NEMA Research, Inc.
Fall Injury
The Impact of PRISCUS Medication on Fall Risks
Purpose: This study aims to validate the medication entries in the PRISCUS list-a German expert-based compilation of potentially inappropriate medications for older adults-and to identify additional medications that may pose a…
- Trial name
- NCT07181993
- Where
- Germany
- Volunteers
- 932,912 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Vaccine Adverse Reaction
COVID-19 Vaccines Associated Malaise
COVID-19 vaccines induced malaise have recently been reported in the literature. Our study aims to identify risk factors associated with the onset of COVID-19 vaccines induced malaise and to assess if certain COVID-19 vaccines…
- Trial name
- NCT05234333
- Testing
- SARS-CoV-2 vaccine
- Where
- France
- Volunteers
- 1,534,706 people, healthy volunteers welcome
- Sponsor
- University Hospital, Caen
Myopia, Amblyopia
Myopia Control With Three Lever Irradiance of PBM Therapy in Children and Adults
Photobiomodulation therapy, that is, Low-level red-light technology provides a new and innovative myopia control approach. This strategy enables relatively high energies of light to be delivered at much shorter durations of…
- Conditions
- Myopia, Amblyopia, Refractive Error - Myopia Axial, Ametropia
- Trial name
- MCPT (NCT05957458)
- Testing
- Airdoc device of red light for Myopia
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
Mantle Cell Lymphoma
Bendamustine Plus Rituximab for Mantle Cell Lymphoma: a Multicenter Retrospective Analysis(BR-MCL)
This study with retrospective data collection does not entail sample size calculation. The study will involve patients who received bendamustine + rituximab for relapsed/refractory mantle cell lymphoma and meet the…
- Trial name
- NCT04127916
- Testing
- Bendamustine
- Where
- 2 sites in South Korea
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Samsung Medical Center
Dental Implants
Clinical and Radiographic Outcomes of Implant-supported Prostheses With Cantilever Extensions After 10 Years of Function
A retrospective examination was performed on patients who had received treatment with dental implants supporting a prosthesis with a cantilever extension for at least 10 years of function.
- Trial name
- Cantilevers (NCT06534398)
- Testing
- Dental implant prosthesis with cantilever extension
- Where
- Greece
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Advanced Non-small-cell Lung Cancer
Multimodality Treatment Including Curative Resection of Advanced NSCLC
This study retrospectively evaluates clinical parameters and outcome of patients with advanced stage non-small cell lung cancer treated with neoadjuvant therapy followed by curative-intent surgery at the Divison of Thoracic…
- Trial name
- NCT04455984
- Testing
- Date collection
- Where
- Austria
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Peri-implant Bone Loss, Peri-implant Marginal Bone Loss
Evaluation of Fluid Biomarkers Around Implants Exhibiting Early Stage Periimplant Bone Loss
This study aimed to compare biological mediators known to be important in peri-implant diseases in implants with and without early stage marginal bone loss.
- Conditions
- Peri-implant Bone Loss, Peri-implant Marginal Bone Loss, Marginal Bone Loss, Peri-Implant Health
- Trial name
- NCT07584759
- Testing
- Collecting of peri-implant sulcus fluid, Periapical radiography
- Where
- Turkey (Türkiye)
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Pamukkale University
Aortic Aneurysm
Validation of a Software and the Follow-up of Anteropoterior Migration of Stent
The treatment of aortic aneurysms is today based on different indicators (diameters, lengths, angles, volumes of the arteries) measured on CT scan images. Several indicators are time consuming and complicatated to measure.
- Trial name
- ASMOT (NCT05287828)
- Testing
- Surgeons CT scan analysis, PRAEVAorta CT scan analysis
- Where
- France
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Nurea
Heart Rate Low, Anesthesia; Functional
A Study on Safety and Efficacy of Propofol in Small Children Under 2 Years of Age
This retrospective study the safety and efficacy of intravenous propofol used in children under 2 years of age during general anesthesia for surgery.
- Trial name
- NCT03132688
- Testing
- Propofol
- Where
- South Korea
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Latent Tuberculosis Infection
Latent Tuberculosis Infection Screening Using QuantiFERON at Pre-Employment Assessment in Hospital Workers CHu Nice
This retrospective observational single-center study aims to evaluate the medical and occupational relevance of systematic screening for latent tuberculosis infection using QuantiFERON-TB Gold Plus during pre-employment…
- Trial name
- NCT07608601
- Testing
- QuantiFERON-TB Gold Plus
- Where
- France
- Volunteers
- 1,185 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Nice
Cataract
Evaluation the TECNIS IOL in Both Eyes VS the ReZoom IOL in One and TECNIS IOL in the Opposite
The purpose of this study is to evaluate the visual performance of two cohorts of patients who received multifocal intraocular lenses following cataract and clear lens extraction surgeries.
- Trial name
- NCT01253239
- Where
- United States
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- Frank A. Bucci, Jr., M.D.