Clinical trials
Observational Study clinical trials
Below are recruiting observational study clinical trials, each written for real people, not researchers. We’re tracking 839 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07695376Recruiting
Caramel study on women's health with digital devices
This study follows women aged 40–60 to see how smartphones and wearable devices can help monitor health over time. It aims to improve care by using technology that fits easily into daily life.
BogotáAges 40–60 - NCT07633353Enrolling by invitation
Real-World Outcomes of a New Treatment for Advanced Kidney Cancer
This study looks at how well two newer cancer drugs (enfortumab vedotin and pembrolizumab) work together for advanced upper tract urothelial carcinoma—a rare kidney cancer. Researchers are collecting information from hospitals in France to understand how patients respond and what side effects occur in everyday care.
NîmesAges 18 years+ - NCT07561242Recruiting
Skin response to fractional laser treatments in darker skin tones
This study measures how skin changes after two types of laser treatments (gentler and stronger) on the forearm. Researchers want to understand how these lasers work on darker skin types to improve safety and results.
Shanghai, Shanghai MunicipalityAges 18–60 - NCT07494344Recruiting
Joint replacement surgery study for bleeding disorders
This study looks at how people with inherited bleeding disorders, like hemophilia, do after joint replacement surgery. Researchers want to learn what works best for managing bleeding during and after surgery to improve recovery.
Pavia, LombardyAges 18 years+ - NCT07287891Recruiting
Predicting brain causes of dizziness in the ER
This study is observing patients who come to the emergency department with vertigo, dizziness, or unsteadiness. Researchers want to predict which of these symptoms are caused by a brain problem (central nervous system), helping doctors make fast and accurate decisions.
Pavia, PaviaAges 18 years+ - NCT07179510Recruiting
Study of a new dental bone filler for surgery patients
This study follows patients who receive a new injectable bone filler called Neocement® Inject P during dental reconstructive surgery. The goal is to see if it is safe and works well to help heal bone defects.
LisbonAges 18 years+ - NCT07178626Enrolling by invitation
Biomarkers and feeding tolerance in ICU patients
This study looks at whether certain biomarkers and stomach motility measurements can help predict feeding intolerance in critically ill patients who cannot eat by mouth. It aims to improve how patients are fed in the ICU.
ChangchunAges 18 years+ - NCT07133984Recruiting
Heart imaging study for people with heart failure and blocked arteries
This study uses heart MRIs to learn more about people who have heart failure and significant blockages in their coronary arteries. If you are planning to have bypass surgery or a stent, the study may be a fit.
Brooklyn, New YorkAges 18 years+ - NCT07179497Recruiting
Study of Neobone in dental bone surgery
This study looks at how safe and effective Neobone is for repairing bone in dental surgery. If you need a bone graft for your jaw or teeth, this could be relevant.
LisbonAges 18 years+ - NCT07615400Recruiting
Long-term study of people with fucosidosis
This study follows people with fucosidosis over time to learn more about how the condition progresses. It is an observational study, so participants do not receive any new treatment—just regular health monitoring to help researchers better understand the disease.
Orange, CaliforniaAges Any age - NCT07748169Recruiting
Observational study of skin disease patients
This study looks at the health records of people with skin diseases to learn more about their care and outcomes. It may help improve future treatments.
Winston-Salem, North CarolinaAges Any age - NCT07743944Recruiting
Breast cancer second-line treatment patterns in China
This study looks at how doctors in China treat hormone receptor-positive, HER2-negative breast cancer that has spread, when patients are starting their second line of therapy. The goal is to learn more about real-world treatment patterns and results, which may help you and your doctor make more informed treatment decisions.
Nanjing, JiangsuAges 18 years+ - NCT07495735Recruiting
Predicting response to liver cancer treatment
This study is looking at how well a combination of two drugs (atezolizumab and bevacizumab) works for people with liver cancer that can't be removed by surgery. The goal is to learn how to predict the best response using lab tests and CT scans.
Wenzhou, ZhejiangAges 18 years+ - NCT07746167Recruiting
Pupil response study in healthy adults
This study looks at how your pupils react to light in healthy people. It may help doctors understand normal eye responses, which could improve future eye tests.
Washington D.C., District of ColumbiaAges 18–60 - NCT07264959Recruiting
A study on indolent systemic mastocytosis treatments
This study is observing adults with indolent systemic mastocytosis (ISM) who are already receiving or planning to start symptom treatments or the drug avapritinib. It aims to learn more about how these treatments work in real life.
Wheaton, MarylandAges 18 years+ - NCT06447168Recruiting
Observing elafibranor in everyday care for PBC
This study follows people with primary biliary cholangitis (PBC) who are already taking or starting elafibranor, to see how well it works and how safe it is in everyday life. No extra treatments or tests are required beyond what your doctor normally does.
Coronado, CaliforniaAges Any age - NCT07144137Recruiting
Observation study for geographic atrophy progression
This study observes how geographic atrophy (an advanced form of dry age-related macular degeneration) changes over a short period. If you have this condition in both eyes and meet certain vision and eye health criteria, you may be able to join this non-treatment study to help researchers learn more about the disease.
Mountain View, CaliforniaAges 55 years+ - NCT06850038Recruiting
Long-term study of odevixibat in Alagille syndrome
This study follows people with Alagille syndrome who are already taking or starting odevixibat (Bylvay). It looks at how well the medicine works and how safe it is over a long period of time.
Los Angeles, CaliforniaAges Any age - NCT07153848Recruiting
Lecanemab treatment for early Alzheimer's disease
This study tests how lecanemab works in people with early Alzheimer’s, including those with mild dementia or mild memory problems. It aims to see if the drug can help clear brain plaques and slow down symptoms.
Hangzhou, ZhejiangAges 45–85 - NCT06607302Recruiting
Study of ivosidenib for bile duct cancer with IDH1 mutation
This study is looking at how well the drug ivosidenib works for people with a certain type of bile duct cancer (cholangiocarcinoma) that has a specific change in the IDH1 gene. It is for people whose cancer has spread or cannot be removed by surgery and who have already tried at least one other cancer treatment.
AugsburgAges 18 years+ - NCT07731399Recruiting
Diabetes Study for Medicaid Members in South Carolina
This study collects blood samples and health information from people with type 2 diabetes and healthy controls to learn more about diabetes. It may help improve future care for diabetes.
Orangeburg, South CarolinaAges 40–70 - NCT07607769Recruiting
Tremelimumab and Durvalumab for Untreated Advanced Liver Cancer
This Italian study follows patients with advanced liver cancer (hepatocellular carcinoma) who receive a combination immunotherapy treatment called STRIDE for the first time. The trial tracks how well the treatment works, how it affects quality of life, and its safety in people with moderate to severe liver disease.
AnconaAges 18–100 - NCT07724496Recruiting
H. pylori and stomach growth features study
This study looks at whether having H. pylori infection (a common stomach bacteria) and certain features of stomach growth can predict how early stomach cancer or pre-cancerous changes will behave and what your long-term outlook might be. You may be eligible if you are being treated with a camera-based removal procedure called endoscopic submucosal dissection (ESD).
Beijing, Beijing MunicipalityAges 18–80 - NCT07028177Recruiting
Etomidate dose for surgery in people with insomnia
This study looks at how much etomidate (a sleep-inducing medicine used during surgery) is needed for people with insomnia compared to those who sleep normally. It aims to help doctors give safer and more effective doses for patients with insomnia who need general anesthesia.
Beijing, Beijing MunicipalityAges 18–64
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Common questions
- Are there clinical trials for observational study?
- Yes. Clin2 currently lists 839 recruiting observational study studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a observational study trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a observational study trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.