Clinical trials: Observational Cohort Study
Major Depressive Disorder (MDD)
iMORE+ Study: A Multi-Omics Cohort Study of Major Depressive Disorder
Major depressive disorder (MDD) is a common mental health condition characterized by substantial clinical heterogeneity and variability in treatment response.
- Trial name
- iMORE+ (NCT07735143)
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Shanghai Mental Health Center
Crohn Disease
Study of Factors and Mechanisms Influencing the Effects of Treatments in Crohn's Disease
The course of Crohn's disease (CD) varies considerably between patients, but reliable prognostic markers are not available in clinical practice.
- Trial name
- NCT04135027
- Testing
- no interventions
- Where
- 4 sites in China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Gastrointestinal Microbiome
A Cohort Analysis Study of Intestinal Flora in Infants
The purpose of this study is to investigate the influence factors of gastrointestinal microbiome in infants.
- Trial name
- NCT03396198
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Mizu Jiang
Gestational Diabetes Mellitus (GDM), Lactating Mother
Protective Effect of Lactation Against Gestational Diabetes Mellitus in Subsequent Pregnancies: A Prospective Observational Cohort Study
Gestational diabetes mellitus (GDM) is a common metabolic disorder of pregnancy associated with increased maternal and fetal morbidity.
- Trial name
- LACGDM (NCT07624968)
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization
HIV Infections
Acute HIV Infection Observational Study
The purpose of this study is to collect data and body fluid samples from people with acute or established HIV infection and from HIV uninfected people.
- Trial name
- NCT00296660
- Where
- 9 sites in United States, Malawi and 3 more
- Volunteers
- 1,300 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Hypertensive Disorder of Pregnancy, Pulmonary Arterial Hypertension
A Prospective Longitudinal Observational Cohort Study of Pregnant Women Residing at High Altitude in Bolivia
In this study, the investigators will follow two small cohorts of pregnant women: a cohort of healthy women with uncomplicated pregnancies residing at high altitude, a control group of healthy women with uncomplicated pregnancies…
- Conditions
- Hypertensive Disorder of Pregnancy, Pulmonary Arterial Hypertension, Intrauterine Growth Restriction
- Trial name
- NCT07312227
- Where
- 2 sites in United States, Bolivia
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Hepatic Insufficiency
Pharmacogenetics Sampling of the CC-90007-CP-003 Study Cohort
This is a multi-center observational follow-up study to collect saliva samples that allow pharmacogenetic analysis of the subjects that participated in the CC-90007-CP-003 study.
- Trial name
- NCT04097704
- Where
- 3 sites in United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Celgene
Ultrasound, Children
The Rate of Full and Empty Stomach in Elective and Emergency Pediatric Patients
Background and Aim: Pulmonary aspiration of gastric content in the perioperative period is rare, but it is an important cause of morbidity and mortality that anesthetists never want to encounter.
- Conditions
- Ultrasound, Children, Surgery
- Trial name
- NCT04831593
- Testing
- Group El, Group Em
- Where
- Turkey (Türkiye)
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Ankara Children's Health and Diseases Hematology and Oncology Training and Research Hospital
Healthy
Gastrointestinal Tolerance And General Health Status Of Healthy Term Infants Fed A New Infant Formula
The purpose of this study is to assess stool consistency, in combination with additional health-related parameters including gastrointestinal tolerance and health-related quality of life, in a large sample of Chinese infants.
- Trial name
- NCT01370967
- Testing
- Study formula feeding, Human milk feeding, Mixed feeding
- Where
- 24 sites in China
- Volunteers
- 460 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
Parotid Gland Infection, Fever
Observational Study to Assess Protection to Mumps in Children Received One-dose Mumps-containing Vaccine
This study was aimed to conduct a 3-year perspective study to observe the immunological effect of one-dose mumps-containing vaccine, monitor the incidence of mumps in vaccinated population aged 3-7 years，and provide basis for…
- Trial name
- NCT02901990
- Where
- 6 sites in China
- Volunteers
- 7,901 people, healthy volunteers welcome
- Sponsor
- Jiangsu Province Centers for Disease Control and Prevention
Methamphetamine Use Disorder, Methamphetamine Induced Psychosis
ECG Findings in Methamphetamine Use
This prospective cohort study aims to examine and compare electrocardiogram (ECG) parameters in subjects diagnosed with Methamphetamine Use Disorder (MUD) and Methamphetamine-Induced Psychotic Disorder (MP) during inpatient…
- Trial name
- NCT07459244
- Where
- Turkey (Türkiye)
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Elazığ Mental Health and Diseases Hospital
Acute Respiratory Disease, COPD Exacerbation Acute
Study of Hospitalised Patients With Acute Respiratory Conditions
The goal of this observational study is to learn about the short- and long-term outcomes of people admitted to hospital with an acute respiratory condition, including exacerbations of chronic lung disease, and to understand…
- Conditions
- Acute Respiratory Disease, COPD Exacerbation Acute, Asthma, Pneumonia
- Trial name
- CHESTY (NCT05095090)
- Where
- United Kingdom
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- University of Leicester
Cerebral Microvascular Dysfunction, Cerebral Small Vessel Diseases
PRospective Observation on CErebral microvaScular Structure and Function
This is a population-based prospective cohort study, aiming to assess the prevalence, distributional characteristics, and dynamic change of cerebral small vessel dysfunction in a Chinese community population using advanced…
- Conditions
- Cerebral Microvascular Dysfunction, Cerebral Small Vessel Diseases, Cognitive Dysfunction, Cerebrovascular Disorders
- Trial name
- PROCESS (NCT06579677)
- Testing
- Without any intervention
- Where
- 2 sites in China
- Volunteers
- 3,500 people, healthy volunteers welcome
- Sponsor
- Beijing Tiantan Hospital
Cancer
Multi-Cancer Detection Observational Cohort Study
This study assesses the incorporation of Multi-Cancer Detection (MCD) testing, designed to detect many types of cancer, into clinical practice to understand both its use and effect in real world practice conditions.
- Trial name
- NCT06962995
- Testing
- Blood Sample, Surveys
- Where
- 3 sites in United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Labor Pain
Use of Standardized Algorithm for the Management of Epidural Analgesia for Labor and Delivery
Programmed Intermittent Epidural Bolus (PIEB) has become a standard technique for labour analgesia in many departments of anesthesia.
- Trial name
- NCT04814199
- Testing
- Algorithm
- Where
- Canada
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital
Anticoagulant-induced Bleeding, Periodontal Diseases
Evaluation of the Intra- and Post- Operative Bleeding After Periodontal Debridement in Direct Anticoagulant Patients
Direct Oral Anticoagulants were recently approved for medical treatment of several condition such as, non valvular atrial fibrillation, deep venous thrombosis, and others, substituting sometimes the conventional oral…
- Trial name
- NOADB_db (NCT03124004)
- Testing
- periodontal debridement
- Where
- Italy
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- University of Trieste
Bipolar Disorder
Reproductive Function in Women With Bipolar Disorder
Many studies have shown that patients with bipolar disorder are prone to reproductive dysfunction, including polycystic ovary syndrome, hyperprolactinemia, and amenorrhea.
- Trial name
- NCT05307848
- Testing
- No intervention
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Central South University
Impostor Phenomenon
IMPROV-ing The Impostor Phenomenon
The impostor phenomenon refers to feelings of self-doubt and fraudulence in one's own abilities, despite the presence of external evidence to suggest otherwise.
- Trial name
- NCT05230030
- Testing
- Improvisation Workshop
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University Health Network, Toronto
Inguinal Hernia, Quality of Life
Objective and Perceived Quality Study in Patients Undergoing Elective Groin Hernia Surgery
This is a prospective non-comparative observational study of cohorts. Consists on offering surveys to every patient undergoing groin hernia surgery in our Abdominal Wall Surgery Unit, in Hospital of Navarra.
- Conditions
- Inguinal Hernia, Quality of Life, Surgery, Survey
- Trial name
- NCT03860285
- Testing
- Short form 36 quality of life survey
- Where
- Spain
- Volunteers
- 850 people, healthy volunteers welcome
- Sponsor
- Hospital of Navarra
Chronic Liver Disease, Rheumatoid Arthritis
Evaluation of the Mechanisms of Sarcopenia in Chronic Inflammatory Disease: Protocol for a Prospective Cohort Study
Prospective, observational study to assess sarcopenia across three chronic inflammatory diseases: chronic liver disease, Inflammatory Bowel Disease, Rheumatoid Arthritis both before and after therapeutic intervention (standard of…
- Conditions
- Chronic Liver Disease, Rheumatoid Arthritis, Inflammatory Bowel Diseases
- Trial name
- NCT04734496
- Testing
- National Healthcare System Standard of care for each disease type (National Institute for Health and Care Excellence guidelines)
- Where
- United Kingdom
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- University of Birmingham