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 10,808 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05103566Recruiting
Noninvasive vagus nerve stimulation for ruptured brain aneurysm bleed
This trial studies whether a noninvasive device that stimulates the vagus nerve can be safely given soon after a ruptured aneurysm bleed to improve outcomes. It may help calm the brain’s stress response after this type of stroke-like emergency.
Boston, MassachusettsAges 18–85 - NCT05111288Recruiting
Testing a pulse field therapy for reduced heart ischemia
This trial studies whether pulse electromagnetic field therapy can improve signs of reduced blood flow to the heart (ischemia) in people who cannot or will not get a coronary procedure during the study. If you already take standard heart medicines, you may be eligible to add this therapy and undergo exercise testing and heart imaging.
Scottsdale, ArizonaAges 18 years+ - NCT05111223Recruiting
Study how brain networks help with decision-making
This study looks at how a specific brain area and its connections (in the orbitofrontal cortex) affect how people make choices. You may be asked to do decision-related tasks while your brain is measured to better understand this system.
Chicago, IllinoisAges 18–40 - NCT05117424Recruiting
Study of metabolism and plaque changes in heart disease
This trial looks at how treating or managing conditions like diabetes, prediabetes, obesity, kidney disease, or high cholesterol affects artery plaque over time. It may help researchers find ways to slow plaque buildup and related heart risks.
ShanghaiAges 18–80 - NCT05122403Recruiting
MRI-guided brain procedure for stubborn nerve pain
This trial tests a brain treatment guided by MRI to treat chronic nerve (neuropathic) pain that hasn’t improved with many prior treatments. It may help reduce pain intensity when standard pain medicines and procedures have not worked.
Beijing, Beijing MunicipalityAges 18–75 - NCT05137665Recruiting
Study tracks ALS and health markers over time at home
This study follows people with ALS and healthy volunteers to measure how specific body fluids, symptoms, and at-home tracking change over time. It may help researchers find early signs of disease changes and better ways to measure treatment effects.
Phoenix, ArizonaAges 18 years+ - NCT05139589Recruiting
Collecting data from adults with heart valve infection
This study collects information about adults who are treated in Amsterdam UMC for infective endocarditis (a serious infection of the heart valves). The goal is to better understand this condition—especially for people undergoing heart valve surgery—by comparing them to similar surgery patients who do not have an infection.
Amsterdam, North HollandAges 18 years+ - NCT05140434Recruiting
Check whether exercise heart tests help diagnose artery blockage
This study looks at whether an “exercise heart test” can better diagnose blockage in the heart’s coronary arteries. Participants may also have a heart scan or imaging test for comparison, within a short time window.
Corbeil-Essonnes, FranceAges 18 years+ - NCT05141058RecruitingPhase 1
T cell therapy to help prevent COVID-19 after transplant
This Phase 1 trial tests a donated immune-cell treatment (T cells) to help immunocompromised people fight or resist COVID-19 after they recently received a bone marrow or stem cell transplant. It aims to see if the treatment is safe and if it helps the body respond better to the virus.
Washington D.C., District of ColumbiaAges 2–80 - NCT05141916Recruiting
Testing the best way to evaluate suspected bile duct stones
This trial studies how doctors should best check and manage people with suspected bile duct stones. It may help improve the accuracy and safety of next-step testing and treatment.
Calgary, AlbertaAges 18 years+ - NCT05145517Recruiting
Follow-up study for people who received a JOTEC vascular graft
This study tracks people 18 and older who were treated with a JOTEC vascular graft. It checks how well the graft and follow-up care work over time for certain blood vessel problems.
Münster, North Rhine-WestphaliaAges 18 years+ - NCT05146336Recruiting
CytoSorb registry for critically ill patients needing blood treatment
This registry collects information about critically ill patients who receive the CytoSorb 300 mL blood treatment. It may help doctors better understand when the treatment works best and when it should not be used.
KlagenfurtAges Any age - NCT05149196Recruiting
Goal-directed fluid and blood pressure plan after kidney surgery
This trial tests a carefully tailored plan for managing blood pressure and fluid during and after kidney removal surgery, to help reduce kidney injury after surgery. It may be especially helpful if you’re having one kidney removed for cancer and your baseline heart/kidney risk is not too high.
Beijing, Beijing MunicipalityAges 18 years+ - NCT05147701RecruitingPhase 1
Testing stem cell treatment for NAION safety
This Phase 1 study tests whether lab-made stem cells taken from donated umbilical cord are safe for people with NAION. It mainly looks for side effects and safety rather than proving the treatment works.
St John'sAges Any age - NCT05150197Recruiting
Virtual reality eye test for children with eye disease
This trial studies whether a virtual reality (VR) eye test can measure a child’s vision field (where they can see) instead of standard testing. It may help clinics test children in a more comfortable way, especially if traditional tests are hard for kids.
Durham, North CarolinaAges 4–21 - NCT05155878Recruiting
Study of factors that predict outcomes for certain pancreas tumors
This study looks at what features of certain pancreas and nearby tumors or cysts might help predict outcomes. It uses existing medical records (and consent, if applicable) and may help doctors better estimate prognosis for patients in the future.
UmeåAges 18 years+ - NCT05159466Recruiting
Transplant from HIV-positive donors to HIV-positive recipients
This trial studies whether it’s safe and effective for HIV-positive people to receive organ transplants from HIV-positive donors. It focuses on matching HIV treatment before and after transplant and checking for major complications.
Metairie, LouisianaAges 18 years+ - NCT05164744Recruiting
MRI study of heart tissue changes after COVID-19
This study uses a heart MRI to look for leftover (healing) changes in heart tissue after COVID-19. It may help researchers better understand what ongoing heart effects can happen after infection.
Brooklyn, New YorkAges 18 years+ - NCT05166850Recruiting
Preventive cholera help for households for 7 days
This study tests a 7-day preventive intervention for cholera-like diarrhea in households without running water. It may help reduce illness spread and protect young children when families lack safe water at home.
Bukavu, South KivuAges Any age - NCT05169593RecruitingPhase 4
Prevent Crohn’s return after surgery: endoscopy-guided vs standard medicine
This study compares two ways to choose biologic (targeted) medicines after Crohn’s surgery to help stop Crohn’s from coming back in the bowel. It may help you avoid or delay repeat inflammation by adjusting treatment based on endoscopy findings.
Antwerp, AntwerpenAges 18–80 - NCT05170347Recruiting
Study of graft-versus-host disease after bone marrow transplant
This study follows people after an allogeneic bone marrow transplant to understand a complication called graft-versus-host disease. If you can attend follow-up visits, your experience and samples may be compared with a family control to look for differences.
Hong KongAges 18 years+ - NCT05173714RecruitingPhase 2
Sit Less and Move More program for people with CKD
This Phase 2 study tests a program to help people with chronic kidney disease (CKD) sit less and move more, plus a medication (semaglutide) for those who qualify. It may help improve health and day-to-day activity while monitoring safety closely.
Stanford, CaliforniaAges 20 years+ - NCT05174286Recruiting
Phone-based coaching to help prevent colon cancer and heart disease
This study uses community health worker support by phone to help people at higher risk stay on top of recommended screening. It may help reduce colorectal cancer risk and also improve heart health.
New York, New YorkAges 45 years+ - NCT05174442Recruiting
Registry follow-up for Occlutech heart device safety and comfort
This registry follows people who received certain Occlutech heart-related devices to check safety, how well the devices perform, and how easy they are to use. It may help by improving future device safety and user experience based on real-world results.
ErlangenAges Any age
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Common questions
- Are there clinical trials for general population (no specific condition or disease)?
- Yes. Clin2 currently lists 10,808 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.