Clinical trials
General Population (no Specific Condition or Disease) clinical trials
Below are recruiting general population (no specific condition or disease) clinical trials, each written for real people, not researchers. We’re tracking 10,565 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05699629Recruiting
Study of people with coronary heart disease or chest pain
This trial follows people who have coronary heart disease or ongoing chest pain that needs a heart scan called coronary angiography. It also includes healthy volunteers for comparison, to help researchers understand risk factors and outcomes over time.
Jinan, ShandongAges 18 years+ - NCT01140789Recruiting
Study comparing people with and without bowel inflammation
This study looks at people with inflammatory bowel disease (Crohn’s disease or ulcerative colitis) and compares them with people without it. Researchers want to understand differences that may help explain or better detect the disease.
Hong KongAges 18 years+ - NCT05272202RecruitingEarly Phase 1
Study brain signals after median nerve stimulation during anesthesia
This early-stage study checks how brain activity changes when the median nerve is gently stimulated while you’re under general anesthesia with propofol. It may help researchers better understand brain–nerve connections and improve how these signals are measured.
BrusselsAges 18–81 - NCT04436081RecruitingPhase 2
CBD oil without THC for agitation in Alzheimer’s dementia
This trial studies whether a THC-free CBD oil softgel can reduce agitation in people with Alzheimer’s-related dementia. It compares CBD to a control to see if it improves difficult behaviors and is safe over the study period.
Norfolk, VirginiaAges 50–90 - NCT04251143Recruiting
Study for corneal disease and corneal thinning
This study looks at people with corneal disease, especially corneal thinning that can change how the eye focuses light. It may help researchers understand treatments and care plans for these conditions.
Dresden, SaxonyAges 18–65 - NCT05746715Recruiting
Study of people at risk for inherited CJD before symptoms
This study follows people who have a close family member with inherited Creutzfeldt-Jakob disease (CJD) to understand how the disease develops before any symptoms. It may involve genetic testing and safety-required procedures like brain scans and a spinal fluid test to learn about early changes.
Tel AvivAges 50 years+ - NCT05769699Recruiting
Blood test study for Parkinson’s stages
This study measures blood biomarkers (measurable substances in blood) in people with Parkinson’s at different stages. It may help doctors understand how Parkinson’s changes over time and could guide future testing or treatments.
RomaAges 18–80 - NCT05741151Recruiting
Testing a nerve target in Parkinson’s disease
This trial is studying the “superior cervical ganglion” as a possible treatment approach for Parkinson’s disease. It may help people whose symptoms are truly caused by Parkinson’s, not by another condition.
RomeAges 30–80 - NCT05752656Recruiting
Tracking outcomes after deep brain stimulation for Parkinson’s
This study follows people with Parkinson’s disease to see how their thinking, behavior, and movement change over time after deep brain stimulation. It may help doctors better understand what to expect from this treatment.
RomeAges 18 years+ - NCT05734378Recruiting
Study aims to predict outcomes in small blood vessel brain disease
This trial is looking at how brain “small blood vessel disease” changes over time and what outcomes to expect. If you have certain symptoms or scan findings from this condition, your care team may compare your prognosis to help guide future treatment planning.
BernAges 16 years+ - NCT05766826Recruiting
Coupons to help pregnant women get safer water
This study gives pregnant women coupons to support safer water access. It aims to see whether this kind of help improves water safety during pregnancy.
KisumuAges Any age - NCT00574327Recruiting
Barrett’s and reflux registry at the Kansas City VA
This study follows people with confirmed Barrett’s esophagus (with or without concerning cell changes) and people who have reflux symptoms, to better understand how these conditions progress. It may help by building a Barrett’s registry so doctors can learn which factors predict worsening over time.
Kansas City, MissouriAges 18 years+ - NCT05765370Recruiting
LDL cholesterol study in people 75+ with heart or blood vessel disease
This trial studies how to lower “bad” cholesterol (LDL) in people age 75 and older who have already had heart, brain, or leg/blood-vessel problems from blocked arteries. The goal is to see if the approach helps prevent further cardiovascular events (like heart attack or stroke).
Beijing, Beijing MunicipalityAges 75 years+ - NCT04192825Recruiting
Crohn’s anal drainage care study
This trial studies different care and management approaches for people with Crohn’s disease who have an anal infection or drainage area and are planning a drainage procedure. It may help improve how care is planned around the drainage procedure and follow-up.
RennesAges 18 years+ - NCT01653223Recruiting
Simvastatin to protect the heart during heart surgery
This trial looks at whether simvastatin (a cholesterol medicine) can help protect the heart during cardiac surgery. You might be invited if you’re having surgery for certain, non-complex heart conditions, but not if you have some specific related health problems.
Guangzhou, GuangdongAges 18 years+ - NCT04844060Recruiting
Study collecting spinal fluid from patients needing a lumbar puncture
This study collects cerebrospinal fluid (the fluid around the brain and spinal cord) during a lumbar puncture. It aims to improve how doctors use this information for accurate diagnosis in patients who need the procedure.
StrasbourgAges Any age - NCT05392894RecruitingPhase 3
Transplant using a half-matched donor for severe sickle cell
This trial tests whether a half-matched (haploidentical) blood stem cell transplant can treat adults with severe sickle cell disease. It may help reduce serious complications and improve survival, but it requires a fit health status and specific donor and medical conditions.
LondonAges 18 years+ - NCT05647876Recruiting
Study how menopause affects heart health risk over time
This study follows people through menopause to better understand how the body changes and how that may affect heart health risk. You may be asked for health checks over time, as researchers look for factors that increase or protect against heart problems.
CopenhagenAges 40–61 - NCT05645055Recruiting
Biologic treatment for bowel narrowing in Crohn’s disease
This trial studies biologic medicines to treat Crohn’s disease that causes bowel narrowing (“strictures”) without needing immediate surgery. It may help reduce symptoms and complications by targeting the immune-driven inflammation behind the narrowing.
Nanjing, JiangsuAges 16–65 - NCT03014609Recruiting
Testing cardiovascular risk in people with COPD
This trial studies cardiovascular (heart and blood vessel) risk in people who have stable COPD or a recent worsening of COPD. It may help researchers understand which risks to monitor during and after a COPD flare and how to prevent complications.
Grenoble, La TroncheAges 18–85 - NCT05876416Recruiting
Study genetics of rare bone growth disorders
This study looks at genetic causes of skeletal (bone growth) disorders in people who show signs based on height and bone imaging. Genetic testing may help explain what’s behind the condition, especially when it seems inherited.
StockholmAges Any age - NCT04772768Recruiting
Checking problems in vein bypass grafts in people with recurring chest pain
This study looks at how vein bypass grafts are working over time in people who had heart bypass surgery and now have recurring angina (chest discomfort). It may help doctors better understand why symptoms come back and how the heart and grafts change.
AmsterdamAges 18–90 - NCT05885295Recruiting
Testing thinking and memory after stroke using cognitive exams
This study looks at how thinking and memory change after a stroke using short cognitive tests. It may help researchers better understand which brain changes affect thinking, and how to measure them accurately.
LondonAges 18 years+ - NCT05890092Recruiting
Study of vulvar diseases in Nigeria
This is an observational study that looks at vulvar conditions in people assigned female at birth in Nigeria. It does not test a new treatment—researchers mainly want to learn about different vulvar diseases and who gets them.
LondonAges 10–90
Hear when a new General Population (no Specific Condition or Disease) trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for general population (no specific condition or disease)?
- Yes. Clin2 currently lists 10,565 recruiting general population (no specific condition or disease) 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 general population (no specific condition or disease) 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 general population (no specific condition or disease) 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.