Clinical trials
Primary Prevention clinical trials
Below are recruiting primary prevention clinical trials, each written for real people, not researchers. We’re tracking 89 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04687956Recruiting
Preventing arm swelling after breast cancer lymph node surgery
This study looks at ways to prevent arm swelling (lymphedema) related to breast cancer after surgery to remove lymph nodes. It may help people who are getting axillary lymph node dissection lower the chance of long-term swelling.
SeoulAges 19 years+ - NCT07616232Recruiting
School and family program to prevent obesity in Pakistani children
This study tests whether a program combining school activities and family involvement can help prevent obesity in children ages 6–12. Your child would participate in physical activities at school and your family would receive guidance on healthy habits.
Lahore, Punjab ProvinceAges 6–12 - NCT06335862Enrolling by invitation
Surgery to stop windpipe collapse in babies with esophageal atresia
This trial tests a surgery called posterior tracheopexy to prevent the windpipe from collapsing in babies with esophageal atresia and tracheomalacia. It may help your child breathe more easily.
RotterdamAges 8 months+ - NCT07068685Enrolling by invitation
Testing a suicide risk tool in primary care
This study is testing a computer program that helps doctors spot people who might be at risk for suicide. If you have a primary care visit at Kaiser Permanente Washington, the program will use your health records to see if you could benefit from extra support.
Seattle, WashingtonAges 18 years+ - NCT06913166Recruiting
Online Quiz on Smoking for Primary School Students
This trial tests if an online quiz game can teach kids about the harms of smoking and improve their attitudes and behaviors towards tobacco. It is for primary 5 and 6 students who can read Chinese and have a device at home.
Hong KongAges 9–13 - NCT06872307Recruiting
Helping Black men stay on PrEP
This study tests a new way to help Black men who have sex with men stay on PrEP (HIV prevention pills) over time. If you are at risk for HIV and have stopped taking PrEP for at least a month, you may be able to join and get support to keep taking it.
Washington D.C., District of ColumbiaAges 18 years+ - NCT06847633Recruiting
Digital lifestyle program to prevent heart disease
This trial tests a digital program to help people aged 40–60 make healthy changes like eating better, moving more, or managing stress. It’s designed to prevent heart problems before they start.
GävleAges 39–61 - NCT07391462Recruiting
Helping doctors talk about healthy habits
This trial tests whether your doctor can help you start exercising or eating healthier during a routine visit. It is designed for people who are not already active in changing their lifestyle.
BeynostAges 18 years+ - NCT07157358Recruiting
Hypnosis exercises for mental health in school children
This trial tests if daily online hypnosis exercises can improve mental health in primary school children and prevent future issues. Children listen to a 20-minute recording each day to see if it helps them feel better.
LeidenAges 9–12 - NCT07031089Recruiting
City-Hospital Collaboration for Early Liver Fibrosis Detection
This study looks at whether a city-hospital partnership can help find liver fibrosis (early scarring of the liver) earlier in people who get a Fibroscan test ordered by their primary care doctor. It is for adults whose Fibroscan result was at least 8 kPa and who had the test between 2023 and 2026.
GrenobleAges 18 years+ - NCT07349940Recruiting
Early skin cancer detection via telemedicine in primary care
This study tests if a telemedicine tool can help find skin tumors early. It may be a good fit if you have a suspicious spot and light skin that burns easily.
BrnoAges 50 years+ - NCT06398509Recruiting
Preventing obesity in Latino babies at checkups
This study tests a program that helps prevent childhood obesity in low-income Latino families. It takes place during your baby's regular checkups and offers extra support for healthy feeding and growth.
San Francisco, CaliforniaAges 1 week–2 months - NCT06611319RecruitingPhase 3
Shorter blood thinner after hip replacement: a recovery study
This study tests a shorter course of blood thinner medication (rivaroxaban) after hip replacement surgery, following an enhanced recovery plan. It aims to see if a shorter treatment can safely prevent blood clots and help you recover faster.
Linz, Upper AustriaAges 18–85 - NCT06063564Recruiting
Testing a digital tool to improve heart health in rural clinics
This study is testing a digital health app called PREVENT to help doctors and patients work together on heart-healthy habits like eating well and being active. It is designed for people in rural areas who want to lower their risk of heart disease.
St Louis, MissouriAges 18–64 - NCT06018285Recruiting
Reducing suicide risk in teens in primary care
This study tests a step-by-step approach to reduce suicide risk in teens who get primary care. It's designed to help teens and their families get the right support, from talking to a care manager to more intensive help if needed.
Akron, OhioAges 12–17 - NCT06322238RecruitingPhase 2
Can a DNA test help prevent drug side effects in primary care?
This study tests whether a cheek-swab DNA test can help doctors choose safer medicines for you. If you are starting a new drug in primary care, you might join to help prevent side effects.
Rochester, MinnesotaAges 18 years+ - NCT07024628Recruiting
Heat safety messages from your doctor
This study tests whether health tips sent by text or email from your family doctor can help you stay safe during heat waves. If you live in Eastern Ontario and have a regular primary care provider, you may be able to join and get these messages.
Ottawa, OntarioAges 18 years+ - NCT06499740Recruiting
Supporting teens with suicidal thoughts in primary care
This study tests a short, supportive conversation for teens with suicidal thoughts that happens in their regular doctor's office. It aims to help teens and their families get the right care without needing a hospital stay.
Centralia, WashingtonAges 10 years+ - NCT04989491RecruitingPhase 4
Single-dose rituximab to prevent EBV after kidney transplant
This trial tests whether one dose of rituximab (given around the time of transplant) can help prevent a first Epstein-Barr virus (EBV) infection and related abnormal lymph node or immune growths after kidney transplant. It is specifically for adults who are EBV-negative before receiving an EBV-positive donor kidney.
StrasbourgAges 18 years+ - NCT05855811RecruitingPhase 2
Preventing a Second Cancer After Your First Cancer
This Phase 2 trial tests dostarlimab, an immune-based medicine, to help lower the chance of getting a second (new) cancer after treatment for a first solid tumor. It’s for people with higher risk features, and it aims to see whether the drug can prevent or delay second cancers.
CaenAges 18 years+ - NCT06843096Enrolling by invitation
Special mammogram for finding breast cancer when origin is unknown
This trial uses a special mammogram with contrast dye to look for breast cancer in people who have cancer that started somewhere unknown (called Cancer of Unknown Primary). It may help find if the breast is the source, which could guide treatment.
RomeAges 18 years+ - NCT07513077Recruiting
Hearing Loss Prevention Program for Primary School Children
This study tests whether a hearing protection education program called HoorToren helps 11–12 year old children in Dutch schools prevent noise-induced hearing loss. The program teaches kids about protecting their ears from loud sounds.
RotterdamAges Any age - NCT06028113RecruitingPhase 2
A weight gain prevention program for high-risk babies in primary care
This study tests a program to help prevent unhealthy weight gain in babies at higher risk for obesity. Families will get extra support during regular check-ups at a pediatric clinic.
Cincinnati, OhioAges 1 day+ - NCT06541574RecruitingPhase 2
Preventing scar tissue after retinal detachment surgery
This trial tests if injecting a medication called methotrexate into the eye during retinal detachment surgery can prevent scar tissue from forming. Scar tissue can sometimes cause the retina to detach again, so this treatment might lower that risk.
Cincinnati, OhioAges 18 years+
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Common questions
- Are there clinical trials for primary prevention?
- Yes. Clin2 currently lists 89 recruiting primary prevention 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 primary prevention 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 primary prevention 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.