Clinical trials
Effectiveness clinical trials
Below are recruiting effectiveness clinical trials, each written for real people, not researchers. We’re tracking 6,873 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06446479RecruitingPhase 2
THC's effect on alcohol use and brain reward
This study tests whether THC (the active ingredient in cannabis) can change how much alcohol you drink and how your brain responds to rewards. You will have MRI scans and take THC or a placebo, then drink alcohol in a controlled setting.
Aurora, ColoradoAges 21–40 - NCT06989229Recruiting
Nutritional care before and after joint replacement surgery
This trial tests if special nutritional support before and after hip or knee replacement helps you recover faster. It is for people having planned (not emergency) surgery.
Brno, CzechiaAges 18 years+ - NCT07711990Recruiting
Studying ketone supplements and brain health
This trial tests how a ketone drink affects the brain in healthy middle-aged adults. It may help researchers understand if ketones can support brain function.
Columbus, OhioAges 45–65 - NCT07516873Recruiting
Mindfulness and Nerve Stimulation for Young Adults Drinking Heavily
This study tests whether brief mindfulness training combined with a mild electrical stimulation device on the ear can help reduce cravings and urges to drink alcohol in people aged 21–29 who drink heavily. The goal is to understand if this combination approach works better than either alone.
Malden, MassachusettsAges 21–29 - NCT06292208RecruitingPhase 1/Phase 2
Testing IBD0333 for advanced solid tumors or lymphoma
This trial tests an experimental drug called IBD0333 for people with advanced solid tumors or lymphoma who have run out of standard options. The drug targets a protein called 4-1BB to help your immune system fight cancer.
Jinan, ShandongAges 18–80 - NCT06762392Recruiting
Blood flow restriction for ACL rehab: a pilot study
This study tests whether using a special band that slightly restricts blood flow (blood flow restriction) during rehabilitation can help people recover better after ACL knee surgery. It's a small early study to see if this method is safe and effective.
Valencia, ValenciaAges 18 years+ - NCT07703007Enrolling by invitation
Clear aligners for growing kids with mild underbite
This study tests whether clear aligners can fix a mild underbite in growing children aged 8 to 11. It compares how well the aligners move teeth and jaws compared to other treatments.
Al Mansurah, Dakahlia GovernorateAges 8–11 - NCT07705191Recruiting
Peanut skin extract for blood sugar control
This trial studies whether an peanut skin extract can help control blood sugar after a meal. It is looking for healthy adults who do not have diabetes.
TainanAges 18 years+ - NCT06725953Recruiting
Remote exercise program for cancer survivors with or without diabetes
This study tests a 12-week home-based physical activity program to see if it helps cancer survivors who had chemotherapy and now have memory or thinking problems. It includes both survivors with type 2 diabetes and those without.
Oklahoma City, OklahomaAges 18 years+ - NCT06086873Recruiting
Comparing two dental implant surfaces for healing
This study compares two types of dental implant surfaces to see which helps the implant bond better with the jawbone after a tooth is pulled. It may help you if you need a single front tooth or first premolar replaced.
LondonAges 18 years+ - NCT07711132Recruiting
Remineralizing toothpaste for early cavities in teens
This trial tests three different treatments for repairing very early cavities on tooth enamel: a nano-eggshell paste, a special milk protein paste (CPP-ACP), and a standard fluoride paste. It is for teenagers and young adults who have a few small spots of early decay and a moderate to high risk of getting cavities.
Al MansurahAges 15–20 - NCT07229014Recruiting
Collagen supplement for quality of life and appetite
This trial tests whether a daily collagen supplement can improve quality of life, appetite, and blood sugar control in overweight adults who feel low energy or have trouble sleeping. You will take the supplement, use a continuous glucose monitor, and complete online surveys.
London, LondonAges 18–65 - NCT06765057RecruitingPhase 2/Phase 3
Probiotics for Depression and Metabolic Health
This trial tests whether taking a probiotic supplement can improve both depression symptoms and metabolic health (like waist size, blood sugar, and cholesterol) in people with major depression. It may be a good fit if you are already on an antidepressant and have signs of metabolic syndrome.
Riyadh, Riyadh RegionAges 18–65 - NCT07467928Recruiting
AI colonoscopy's long-term effect on advanced polyps
This study looks at how well AI-assisted colonoscopy prevents new advanced polyps from forming over the long term. It's for people who were in our earlier AI colonoscopy study and are healthy enough for a follow-up scope.
Hong KongAges 18 years+ - NCT06508710RecruitingPhase 3
Ketamine plus venlafaxine for severe depression
This trial tests whether adding ketamine to the antidepressant venlafaxine helps relieve severe depression faster than venlafaxine alone. If you are hospitalized for a serious depression and you meet safety criteria, you may be eligible.
Le Kremlin-Bicêtre, FranceAges 18–65 - NCT07636343Recruiting
Eccentric Training for Heart Failure Recovery
This trial tests a special type of strength training (eccentric exercise, where muscles lengthen under load) for people with heart failure who have reduced pumping ability. The goal is to improve your exercise capacity and heart function safely.
EdegemAges Any age - NCT05708508RecruitingPhase 3
Immune-guided vs universal medicine to prevent CMV after kidney transplant
This study compares two strategies to prevent a viral infection called CMV after kidney transplant. It tests whether an “immune-guided” approach (using your immune test results) can prevent CMV as well as or better than giving preventive antiviral medicine to everyone.
RouenAges 18–75 - NCT06715748RecruitingPhase 4
Ketone drink study for cyclists after hard exercise
This study tests if taking a ketone drink before intense cycling helps your heart recover faster afterwards. It's for healthy recreational cyclists who are very fit for their age and sex.
Hasselt, LimburgAges 18–50 - NCT06766136Recruiting
Asthma education program based on the Roy Adaptation Model
This trial tests a new asthma education program designed to help you better manage your asthma symptoms and improve your quality of life. The program is based on the Roy Adaptation Model, which focuses on helping you adapt to your condition.
Niğde, CenterAges 18–64 - NCT07504029Recruiting
Test if bitter melon peptides help control blood sugar
This trial is studying peptides from bitter melon (Momordica charantia) to see if they can help manage blood sugar levels in people with prediabetes. You may be eligible if you have higher-than-normal blood sugar but not full diabetes.
TaichungAges 30–65 - NCT07025304Recruiting
Study of REFLEX ULTRA 45 for nasal turbinate reduction in China
This trial tests a new device called REFLEX ULTRA 45 that uses radiofrequency energy to shrink the nasal turbinates (the fleshy shelves inside your nose) to help you breathe easier. It is for people with long-term nasal stuffiness who have not gotten relief from nasal sprays.
Guangzhou, GuangdongAges 18–65 - NCT07686809Recruiting
Leg therapy for children with one-sided weakness
This study tests a new leg exercise program to help children with hemiplegia walk better. The therapy may improve balance and movement in the affected leg.
CairoAges 6–8 - NCT07521085Recruiting
Breathing and Pelvic Floor Exercises After Childbirth
This study tests whether special breathing exercises combined with pelvic floor strengthening exercises (Kegel's) help postpartum women recover core strength and reduce pain. You'd do these exercises for a set period to see if they help close the gap between your abdominal muscles after pregnancy.
Lahore, Punjab ProvinceAges 18–40 - NCT07681492Recruiting
Depression, aging, and antidepressants: a belief study
This trial studies how depression and antidepressants affect belief updating in older adults. You may join if you are over 65, have major depression, and are starting a new antidepressant. The goal is to learn more about how your brain adjusts beliefs over time.
RennesAges 65 years+
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Common questions
- Are there clinical trials for effectiveness?
- Yes. Clin2 currently lists 6,873 recruiting effectiveness 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 effectiveness 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 effectiveness 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.