Clinical trials: Retrospective Study
Hemophilia B, Allergic Reactions
Study to Describe the Allergic Reactions to Factor IX in Patients With Hemophilia B
Retrospective, multicenter study in patients with hemophilia B. This study will be placed at 20 to 50 hemophilia treatment centers in North America and the EU, and is designed to estimate the frequency of Class II and III…
- Trial name
- NCT00195221
- Where
- 38 sites in United States, Austria and 7 more
- Volunteers
- 166 people
- Sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
Pulmonary Hypertension, Pregnancy, High Risk
Pregnant Women With Pulmonary Hypertension in China
Little is known about the status of maternal, obstetric and neonatal complications and the potential predictors of developing heart failure (HF) in the mothers with pulmonary hypertension in China.
- Trial name
- NCT05198206
- Where
- China
- Volunteers
- 2,000 people
- Sponsor
- First Affiliated Hospital of Chongqing Medical University
Lung Cancer
A Retrospective Pharmacoeconomic Study of Lung Cancer
Lung cancer is the No. cause of cancer death in Taiwan. Yet most of lung cancer are diagnosed at late stage, not amenable to surgical resection.
- Trial name
- NCT01140958
- Volunteers
- 91 people
- Sponsor
- Taipei Medical University WanFang Hospital
Diabete Type 1, Ketoacidosis, Diabetic
Hemoglobin Levels and Resolution Time of Diabetic Ketoacidosis in Pediatric Patients
This retrospective observational cohort study aims to evaluate the association between hemoglobin levels and the time to resolution of diabetic ketoacidosis (DKA) in pediatric patients.
- Conditions
- Diabete Type 1, Ketoacidosis, Diabetic, Pediatrics, Child
- Trial name
- NCT07377604
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people
- Sponsor
- Aydin Adnan Menderes University
Fractals, Panoramic Radiography
Effects of Long-Term Antihistamine Use on Mandibular Bone in Children
The purpose of this retrospective radiographic study is to evaluate the effects of long-term H1 antihistamine use on mandibular trabecular bone structure in children aged 8-10 years.
- Trial name
- NCT07752485
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
Mucolipidosis Type IV
Mucolipidosis Type IV Natural History Study
The primary objectives of the study are: to describe the characteristics of the current international MLIV population; to define the median age at which patients with MLIV achieve or lose developmental milestones; to define the…
- Trial name
- NCT05782387
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Massachusetts General Hospital
Death, Sudden, Cardiac, Ventricular Fibrillation
Failure of Chronically Implanted Defibrillator Leads -Incidence and Management
Comparison of two different approaches to address the problem of malfunctioning ICD-leads. These leads consist of two parts. One that is used for detection of arrhythmias(and pacing if required) (Pace/Sense) and a second part…
- Trial name
- NCT00614718
- Where
- 3 sites in Germany, Switzerland
- Volunteers
- 1,317 people
- Sponsor
- University Hospital, Basel, Switzerland
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
Depression, OCD
Retrospective Analyses of the Greenbrook Database Evaluating Mental Health Treatments
The study involves multiple retrospective analyses to understand the utilization of mental health treatments provided at Greenbrook and their effectiveness
- Conditions
- Depression, OCD, Anxiety Depression
- Trial name
- NCT06997549
- Testing
- Patients treated with NeuroStar TMS, Patients treated with Esketamine
- Where
- United States
- Volunteers
- 12,000 people
- Sponsor
- Neuronetics
Wound Chronic Draining
A Retrospective Analysis of Laboratory Testing on Chronic Wound Patients
The purpose of this study was to pursue statistical analysis on a series of molecular laboratory results obtained from chronic wounds.
- Trial name
- NCT02142426
- Where
- United States
- Volunteers
- 2,000 people
- Sponsor
- Southwest Regional Wound Care Center
Epilepsy, Epilepsy in Children
OASIS: RetrOspective Analysis on EEGs for Identifying Seizure Susceptibility in paediatrIcs Using biomarkerS
The goal of this retrospective study is to validate a set of computational biomarkers (BioEP) for seizure susceptibility on retrospective routinely collected non-contributory EEGs in paediatric participants with epilepsy.
- Trial name
- OASIS (NCT06546410)
- Testing
- BioEP
- Where
- 7 sites in United Kingdom
- Volunteers
- 530 people
- Sponsor
- Neuronostics Ltd
Congenital Fibrinogen Deficiency
An Observational Cohort Study of the Safety and Efficacy of Fibrinogen Concentrate, Human (FCH) in Subjects With Congenital Fibrinogen Deficiency
This is a multicenter, non interventional, retrospective cohort study with a prospective, observational follow-up component to investigate the safety and efficacy of FCH use in subjects with congenital fibrinogen deficiency.
- Trial name
- NCT02427217
- Testing
- FCH
- Where
- 11 sites in United States, Canada
- Volunteers
- 22 people
- Sponsor
- CSL Behring
Postdural Puncture Headache, Epidural Analgesia, Obstetric
A Prospective Cohort Study to Evaluate the Safety, Efficacy, and Usability of the EpiZact Device
The purpose of the study is to learn more about a new device, the EpiZact Epidural Device, that may be helpful for reducing the likelihood of wet tap when a labor epidural is placed.
- Trial name
- NCT06729255
- Testing
- EpiZact-assisted epidural placement
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Oregon Health and Science University
Acute Leukemia (Including Acute Myeloid Leukemia and Acute Lymphoblastic Leukemia)
ABO and Rh Blood Group Frequencies in Acute Leukemia Patients
This retrospective observational study aims to evaluate the distribution of ABO and Rh blood groups among patients diagnosed with acute leukemia.
- Trial name
- NCT07108010
- Where
- Egypt
- Volunteers
- 300 people
- Sponsor
- Assiut University
COVID-19, Bariatric Surgery Candidate
Bariatric Surgery and COVID-19
The National Bariatric Surgical Registry (NBSR) is a prospectively collected database for all patients undergoing elective bariatric surgery in the UK.
- Trial name
- NCT05532891
- Testing
- COVID-19 pandemic
- Where
- United Kingdom
- Volunteers
- 11,545 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Emergencies, Epidemic Disease
Impact of the Qatar 2022 FIFA World Cup on PED Use and Misuse Patterns
A retrospective cohort study to explore the impact of the FIFA World Cup 2022 Qatar on paediatric emergency department attendance at two tertiary centres during unprecedent winter viral epidemics.
- Conditions
- Emergencies, Epidemic Disease, Pediatric ALL, Electronic Medical Record
- Trial name
- NCT05818215
- Testing
- NO intervention
- Where
- Switzerland
- Volunteers
- 18,000 people
- Sponsor
- Pediatric Clinical Research Platform
Long COVID, Long Covid19
Stellate Ganglion Block to Treat Long COVID 19 Case Series
An assessment of the effectiveness of Stellate Ganglion Block in alleviating symptoms of Long COVID-19.
- Conditions
- Long COVID, Long Covid19, Post-COVID-19 Syndrome, Post Acute COVID-19 Syndrome
- Trial name
- NCT05812209
- Testing
- Stellate Ganglion Block
- Where
- United States
- Volunteers
- 41 people
- Sponsor
- Metamorphosis LTD
Asthma in Children
Pulmonary Rehabilitation Combined With Speleotherapy in Children With Bronchial Asthma
The goal of this retrospective study is to learn about the effects of rehabilitation and treatment stays combined with speleotherapy in children with asthma.
- Trial name
- NCT06557824
- Testing
- speleotherapeutic intervention
- Where
- Poland
- Volunteers
- 415 people
- Sponsor
- University School of Physical Education, Krakow, Poland
Type 2 Diabetes (Treated With Exenatide or Other Oral Antidiabetic Therapies), Healthy Subjects (Treated With no Diabetes Therapies)
A Retrospective Cohort Study of Acute Pancreatitis in Relation to Use of Exenatide and Other Antidiabetic Agents
The purpose of this research was to assess the absolute and relative incidence of acute pancreatitis in persons initiating exenatide compared with persons initiating a different antidiabetic agent, and secondarily, persons…
- Trial name
- NCT01077323
- Testing
- exenatide, Other antidiabetic therapies, No diabetes therapy
- Where
- United States
- Volunteers
- 363,766 people
- Sponsor
- AstraZeneca
Inflammatory Bowel Diseases, Ileostomy
Malnutrition Associated With Complications After Ileostomy Reversal
An ileostomy is a surgical opening established by bringing the end or a loop of the ileum to discharge directly outside the body.
- Trial name
- NCT03909542
- Where
- United States
- Volunteers
- 359 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
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