Clinical trials: Case-Control Studies
Myocardial Infarction, Influenza
The Role of Influenza as a Trigger for Acute Myocardial Infarction: a CALIBER Study
The purpose of this study is to examine the incidence of acute myocardial infarction (MI) occurring after an influenza-like illness using linked primary care and disease registry databases.
- Trial name
- NCT01106196
- Where
- 2 sites in United Kingdom
- Volunteers
- 11,208 people
- Sponsor
- University College, London
Panic Disorder
IL-33, sST2, and CRP in Panic Disorder
Panic disorder (PD) is characterized by recurrent and unexpected panic attacks and is associated with significant functional impairment. Increasing evidence suggests involvement of immune-inflammatory mechanisms in PD.
- Trial name
- NCT07444879
- Where
- Turkey (Türkiye)
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Elazığ Mental Health and Diseases Hospital
Rheumatoid Arthritis
Study of Human Leukocyte Antigen (HLA) Polymorphisms in Patients With Rheumatoid Arthritis
Rheumatoid arthritis (RA), affects between 0.3% and 1.0% of the population, it can lead to progressive joint destruction and severe disability.
- Trial name
- HLAPRPA (NCT01111357)
- Testing
- Collect of 10 ml of peripheric blood for DNA extraction
- Where
- Martinique
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University Hospital Center of Martinique
Osgood-Schlatter Disease
Rate of Torque Development in Adolescents With Osgood-Schlatter
Osgood-Schlatter is a growth-related condition involving multiple different types of tissue in the tendon-bone interface at the tibial tubercle.
- Trial name
- NCT05789095
- Testing
- Rate of torque development testing of knee flexors and knee extensors using a fixated handheld dynamometer (MicroFet 2, Hoggan, Scientific L.L.C., Salt Lake City, USA), sampling rate of 100hz)
- Where
- Denmark
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Hvidovre University Hospital
Pre-Eclampsia
Prospective Case-Control Study of Cardiovascular Changes in Pregnancy Related Hypertensive Disorders
This is a research study to understand the changes in the heart and the cardiovascular system that may occur in women who develop high blood pressure during pregnancy.
- Trial name
- ARTSEN (NCT04713228)
- Testing
- ARTSENS Pen
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Pain, Neuropathic, Epilepsy
Cancer in Patients With Gabapentin (GPRD)
High doses of gabapentin are associated with pancreatic acinar cell tumors in rats, but there has been no post marketing pancreatic carcinogenicity signal with gabapentin as reported by spontaneous reports in AERS or in the…
- Conditions
- Pain, Neuropathic, Epilepsy, Renal Pelvis Cancer, Pancreatic Cancer
- Trial name
- NCT01236053
- Testing
- Gabapentin prescriptions
- Volunteers
- 2,323,608 people
- Sponsor
- GlaxoSmithKline
Lymphedema
Lymphedema Study for Arm or Leg Lymphedema
This study compares the effectiveness of a study drug versus placebo in the treatment of lymphedema.
- Trial name
- NCT02257970
- Testing
- Ketoprofen
- Where
- United States
- Volunteers
- 117 people
- Sponsor
- Stanford University
Chronic Obstructive Pulmonary Disease, Osteoporosis
Case Control Study: Determinants of Osteoporosis in GOLD II COPD Patients.
Patients with COPD have been found to have an increased risk of osteoporosis. The underlying mechanism is not clear yet. This case control study aims to identify risk factors for osteoporosis in GOLD II COPD patients.
- Trial name
- NCT00725673
- Where
- Netherlands
- Volunteers
- 106 people
- Sponsor
- Catharina Ziekenhuis Eindhoven
Hemophilia Arthropathy
Clinical, Functional and Musculoskeletal Differences Between Adult Patients With Hemophilia and Their Healthy Peers
Background. Hemophilia is characterized by the development of a progressive, degenerative, intra-articular lesion (hemophilic arthropathy).
- Trial name
- NCT05589662
- Testing
- Clinical and functional assessment
- Volunteers
- 42 people
- Sponsor
- Investigación en Hemofilia y Fisioterapia
Age- Related Macular Degeneration, Diabetic Retinopathy
A Case-Control Study Revealing Intraocular Microenvironment Characteristics in Patients With Ocular Diseases Based on Multi-Omics Analysis
This project systematically investigates the role of the intraocular microbiome in various ocular diseases, including age-related macular degeneration, diabetic retinopathy, and cataracts.
- Conditions
- Age- Related Macular Degeneration, Diabetic Retinopathy, Retinal Vein Occlusion, Central Serous Chorioretinopathy
- Trial name
- NCT07897513
- Testing
- Not applicable- observational study
- Volunteers
- 150 people
- Sponsor
- First Affiliated Hospital of Zhejiang University
Rheumatoid Arthritis, Shoulder Injuries and Disorders
Ultrasonographic Evaluation of Asymptomatic Shoulder Joint Pathologies in Rheumatoid Arthritis Patients
Ultrasonographic determination of changes and degree of damage in asymptomatic shoulder joint periarticular structures in RA patients and comparison with healthy controls.
- Trial name
- UEASJPRAP (NCT06572696)
- Testing
- Shulder Ultrasound
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Fatih Sultan Mehmet Training and Research Hospital
HIV Infections, Frailty
Sleep Quality and Frailty Among People Living With HIV
With effective antiretroviral therapy (ART), people living with HIV (PLWH) are living longer and are increasingly experiencing aging-related conditions such as frailty and sleep problems.
- Conditions
- HIV Infections, Frailty, Sleep Quality, Oral Frailty
- Trial name
- NCT07880054
- Testing
- No intervention (observational assessments)
- Where
- Taiwan
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- National Sun Yat-sen University
Emotional Disorder of Childhood
Social-emotional and Behavioural Problems of Healthcare Workers During the Outbreak
Healthcare worker mothers had to leave their children with their relatives out the fear of contagion and isolated themselves. The investigators aimed to explore the sleep, socioemotional and behavioural problems of children of…
- Trial name
- NCT05823831
- Testing
- Brief Infant-Toddler Social and Emotional Assessment (BITSEA) questionnaire, Brief Infant Sleep Questionnaire (BISQ) questionnaire, Multidimensional Scale of Perceived Social Support (MSPSS) questionnaire
- Where
- Turkey (Türkiye)
- Volunteers
- 600 people
- Sponsor
- Marmara University
Endometriosis, Endometriosis-related Pain
Metabolomic Profile in Women With and Without Endometriosis
The pathogenesis of endometriosis is very complex as several factors, including genetic, environmental and lifestyle-related factors, are involved in the development, progression and maintenance of the disease.
- Conditions
- Endometriosis, Endometriosis-related Pain, Infertility
- Trial name
- METABOLENDO (NCT05496218)
- Testing
- Blood samples
- Where
- Italy
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Coronary Artery Calcification, Coronary Artery Disease
MAP-Calcification: MicroRNAs as Potential Biomarkers for Coronary Artery Calcification
Coronary artery disease (CAD) remains the leading cause of mortality in the UK with an estimated 80,000 fatalities in 2010. Coronary artery calcification (CAC) is associated with atherosclerotic plaque burden and cardiovascular…
- Conditions
- Coronary Artery Calcification, Coronary Artery Disease, Osteoporosis, Osteopenia
- Trial name
- NCT01992848
- Testing
- Venous blood sampling, 4-day food diary, 1 week UV dosimeter
- Where
- 2 sites in United Kingdom
- Volunteers
- 45 people
- Sponsor
- University of Surrey
Covid19
DNA Damage and Oxidative Stress in Hospitalized COVID-19 Patients
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible for the coronavirus disease 2019 (COVID-19) pandemic challenging health systems worldwide.
- Trial name
- ABCD (NCT04784468)
- Testing
- No intervention
- Where
- Austria
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- University of Vienna
Multiple Sclerosis, Neurodegenerative Diseases
Observational Study of the Prevalence of CCSVI in Multiple Sclerosis and in Other Neurodegenerative Diseases
The presence of abnormalities in the cerebral venous circulation, defined as Chronic Cerebrospinal Venous Insufficiency (CCSVI), has recently been reported in patients with Multiple Sclerosis (MS), in healthy subjects and in…
- Trial name
- COSMO (NCT01384825)
- Where
- 43 sites in Italy, Romania
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Fondazione Italiana Sclerosi Multipla
Ovarian Cancer
Liquid Biopsy-based Early Detection of Ovarian Cancer: a Proof-of-concept Study ( PROFOUND-OC )
This study is a multi-center, observational study aiming at developing a machine learning-based early detection model using prospectively collected liquid biopsy samples from newly diagnosed ovarian cancer.
- Trial name
- NCT06249308
- Testing
- Blood collection
- Where
- 3 sites in China
- Volunteers
- 168 people
- Sponsor
- Fudan University
Postpartum Pain
Biomechanical Changes in Women With Post-partum Pelvic Girdle Pain: An Observational Case-control Study
Research suggests that changes in pelvic alignment during the perinatal period are the primary cause of pelvic girdle pain (PGP), both perinatally and postnatally.
- Trial name
- NCT04077801
- Testing
- diagnostic test, Postpartum pain, Visual analogue scale
- Where
- Egypt
- Volunteers
- 75 people
- Sponsor
- Cairo University
Coughing Responses at Tracheal Extubation, Breathing Patterns
Endotracheal Tube Intolerance and Respiratory Airflow Perception
This is a case-control study designed to enroll 224 patients who will undergo tracheal intubation for general anesthesia in the operating rooms of Peking University People's Hospital between July 20, 2026, and October 31, 2026.
- Trial name
- NCT07759284
- Volunteers
- 224 people, healthy volunteers welcome
- Sponsor
- Peking University People's Hospital