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 10,813 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05819385Recruiting
Study of lung scarring in immune diseases
This is an observational (non-treatment) study that collects information about how interstitial lung disease (lung scarring) happens in people with certain autoimmune or immune-related conditions. It uses patient interviews or existing medical records to better understand the pattern and causes, which may help future care.
Mexico CityAges 18 years+ - NCT05829889Recruiting
FFR test versus angiogram to guide left main heart treatment
This trial compares two ways to decide how to treat a narrowed “left main” coronary artery: a pressure-based test (FFR) versus standard X-ray imaging (angiography). It aims to see which approach better helps choose safe, appropriate treatment using a stent when appropriate.
Hong KongAges 20 years+ - NCT05835973Recruiting
Study of sleep changes in people with inflammatory bowel disease
This study looks at how sleep patterns change in adults with inflammatory bowel disease (IBD) who are currently in remission. It may help researchers understand sleep issues in IBD and identify ways to improve care during symptom-free periods.
Clermont-FerrandAges 18–65 - NCT05845905Recruiting
Remote arm treatment to lower blood pressure in older adults
This study tests whether a simple “remote conditioning” method done on the arm can help lower blood pressure in older adults with hypertension. It may help people whose blood pressure is high but not dangerously high at the time of screening.
Changchun, JilinAges 65–85 - NCT05854563Recruiting
Study using collected cough samples to learn about lung disease
This trial looks at “cough capture” samples to better understand what is happening in the lungs. You might be eligible if you’re having a bronchoscopy for medical reasons and don’t already have lung cancer.
The Bronx, New YorkAges 21 years+ - NCT05871216Recruiting
Study of joint instability in people with loose joints
This trial is testing how to assess and manage joint instability in people who have unusually loose (hypermobile) joints. If you have moderate to severe loose joints, you may be able to join after screening checks like movement tests and health history.
BolognaAges 18–60 - NCT05881447Recruiting
Study kidney disease patterns in people in Tanzania
This study looks at how common chronic kidney disease is, how it develops over time, and what risk factors are linked to it. It may help improve how kidney disease is recognized and managed in your community.
Bagamoyo, Coast RegionAges 18–99 - NCT05884944Recruiting
Osteopathic massage study for leg muscle in Parkinson’s disease
This trial studies whether osteopathic manipulative medicine (gentle hands-on treatment) can change how leg muscles work in people with Parkinson’s disease. It may help with leg pain, cramping, or walking problems caused by Parkinson’s.
Old Westbury, New YorkAges 18 years+ - NCT05895487Recruiting
UniLine heart valve replacement study for aortic or mitral disease
This trial studies how well a specific bioprosthetic heart valve (“UniLine”) works after surgery, including safety and how long it lasts. You may be able to join if you are an adult getting a first-time mitral or aortic valve replacement with this exact valve.
KemerovoAges 18 years+ - NCT05904301Recruiting
Registry for autoimmune and autoinflammatory disease patients
This study builds a nationwide list (registry) of people with certain autoimmune or inflammation-related illnesses. It helps researchers understand these diseases better over time, which can guide future care.
YerevanAges Any age - NCT05908279Recruiting
Walking and gait study in people with Parkinson’s disease
This trial studies walking patterns and how walking is controlled in people with Parkinson’s disease. It may help researchers understand movement control and improve future therapies by comparing walking ability and patterns.
Louvain-la-NeuveAges 18–99 - NCT05908266Recruiting
Training control for reaching in Parkinson disease
This study tests a way to help people control reaching movements during a task. You may be able to join if you can understand the instructions and successfully perform the reaching task during the experiment.
Louvain-la-NeuveAges 18–99 - NCT05927454Recruiting
RaDiCo Acostill study for inflammatory fevers and arthritis
This is a long-term study that collects health information and lab samples from people who have certain diagnoses of recurring (coming and going) inflammatory fevers and related joint or immune conditions. It may help researchers better understand these diseases and how they work over time.
Paris, Île-de-France RegionAges Any age - NCT05934188Recruiting
Study how gut signals relate to brain aging and diseases
This study looks at how the gut may influence the brain in normal aging and conditions like Alzheimer’s, Parkinson’s, and multiple sclerosis. It may help researchers understand new ways to measure or treat these brain changes over time.
Venice-Lido, VeniceAges 20–90 - NCT05935605Recruiting
Study pulmonary hypertension in heart failure and valve disease
This study looks at pulmonary hypertension—high blood pressure in the lung arteries—in people with certain heart conditions (heart failure with preserved or reduced pumping function, or significant valve disease). It may help doctors better understand how lung blood pressure changes in these heart problems and guide care.
Rochester, MinnesotaAges 18 years+ - NCT05961748Recruiting
Brain and heart illness registry for adults in China
This study is a registry that collects health information from adults who have certain new heart and/or brain conditions. It may help researchers understand how these problems occur together and improve future care planning.
Beijing, Beijing MunicipalityAges 18 years+ - NCT05974358Recruiting
Compare two bowel-connection methods to prevent Crohn’s flare-ups
This trial tests whether a specific type of bowel connection during Crohn’s surgery can lower the chances that the disease comes back. It may help people having their first ileocolonic (small-to-large bowel) surgery for certain Crohn’s complications.
BesançonAges 18–75 - NCT05991219Recruiting
Rheumatic heart disease screening and prevention study
This study is looking for people living in rural areas of Sindh, Pakistan, to help screen for and prevent rheumatic heart disease. It aims to find and treat the condition early.
Karachi, SindhAges 10–30 - NCT05992532Recruiting
Study of rare enzyme disorders in monoclonal gammopathy or myeloma
This study looks for two rare inherited disorders—Gaucher disease and acid sphingomyelinase deficiency (ASMD)—in people who already have a blood condition like monoclonal gammopathy (abnormal protein) or multiple myeloma. If you have an enlarged spleen or low platelets, you may be eligible to help researchers understand if these rare diseases are more common in this group.
Vitoria-Gasteiz, AlavaAges 18–99 - NCT05996120Recruiting
Finding the best temperature during heart-lung machine surgery
This study looks at the best body temperature to use during heart surgery when a heart-lung machine is needed. You may be able to join if you are having bypass surgery or valve repair, your risk score is moderate or higher, and your surgery is not an emergency.
Leicester, LeicestershireAges 18 years+ - NCT05995353RecruitingPhase 3
Risankizumab for children with moderate to severe Crohn's
This study tests a new medicine called risankizumab for children with moderate to severe Crohn's disease. It is given as an IV infusion or a shot under the skin to see if it can reduce inflammation and improve symptoms.
Phoenix, ArizonaAges 2–17 - NCT05998772Recruiting
How sugar affects Parkinsons symptoms
This study looks at how sugar levels might change the way Parkinsons disease feels. If you have mild to moderate Parkinsons, you may be able to join and help researchers learn more about the role of food in your symptoms.
KielAges 50–80 - NCT06001450Recruiting
Plastics and toxins in pregnant women and families
This study looks at how plastics and toxins in the environment might affect inflammation in the gut, especially in pregnant women with Crohn's disease and their families. It will help doctors understand if these chemicals play a role in bowel inflammation during pregnancy.
New York, New YorkAges 18 years+ - NCT06004349Recruiting
Genetic study of autoinflammatory diseases
This study looks for genes linked to autoinflammatory diseases like VEXAS syndrome. You or your family member can join by mailing in a blood or saliva sample to help researchers better understand these conditions.
New York, New YorkAges 1 month+
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Common questions
- Are there clinical trials for general population (no specific condition or disease)?
- Yes. Clin2 currently lists 10,813 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.