Clinical trials
Effectiveness clinical trials
Below are recruiting effectiveness clinical trials, each written for real people, not researchers. We’re tracking 6,374 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06946368Recruiting
Exparel for pain after knee replacement
This study tests if a long-lasting numbing medicine called Exparel, given by the surgeon during knee replacement, helps control pain after surgery. It is for people having their first total knee replacement on one knee due to arthritis.
Cleveland, OhioAges Any age - NCT06949462Recruiting
Chatbot for consent in anesthesia before surgery
This study tests whether a computer chatbot can help you understand your anesthesia and surgery details better than the usual consent process. If you choose to join, you might use the chatbot to learn about your procedure and give consent.
Singapore, SingaporeAges 21–99 - NCT06942494Recruiting
CBT Self-Help for Teens with OCD (Family-Based)
This study tests a family-based cognitive behavioral therapy (CBT) self-help program for teens with OCD. It's designed to help you and a parent work together to manage OCD symptoms at home.
Xuhui, Shanghai MunicipalityAges 10–17 - NCT06952608RecruitingPhase 4
Ciprofol for blood pressure stability in older adults on heart medications
This study tests whether ciprofol, a newer sedative, can help prevent low blood pressure during surgery in older patients who are already taking medications for high blood pressure or heart failure (called RAS inhibitors). It may be a good option if you're 65 or older, on these medications for more than 3 months, and having abdominal surgery lasting over 2 hours.
Hangzhou, ZhejiangAges 65 years+ - NCT06943898Recruiting
Core and Breathing Exercises for Chronic Low Back Pain
This study tests if core and breathing exercises can improve balance and body awareness in people with chronic low back pain. The exercises are gentle and focus on strengthening the muscles that support your spine.
Sivas, MerkezAges 18–65 - NCT06948825RecruitingPhase 2
Lifestyle program vs. metformin for mothers after gestational diabetes
This study compares a lifestyle program (diet and exercise) with the medication metformin to see which better helps mothers who recently had gestational diabetes improve their health. You may be eligible if you had a single baby, are between 8 weeks and 12 months postpartum, and have a BMI of 25 to 45.
Washington D.C., District of ColumbiaAges 18–45 - NCT06943625Recruiting
Green light and brain stimulation for migraine
This trial tests whether combining green light therapy with a gentle brain stimulation technique (transcranial direct current stimulation, or tDCS) can help reduce migraine pain. It may be an option for people with frequent migraines who have not found relief from other treatments.
Rawalpindi, Punjab ProvinceAges 18 years+ - NCT06946017Recruiting
Dairy protein and fiber supplement for gut health
This trial tests if a fermented dairy protein drink with added fiber can improve gut symptoms. It is for active people living in Phoenix who may have mild lactose issues.
Phoenix, ArizonaAges 18–50 - NCT06951451Enrolling by invitation
Smartphone app to improve heart medication use in Oman
This study tests whether a smartphone app called MED-AD helps people in Oman with heart conditions take their medications more regularly. If you join, you'll use the app and the researchers will compare your medication habits to those who don't use it.
MuscatAges 18 years+ - NCT06950073Recruiting
Second radiation treatment for lung cancer in the chest
This study tests whether giving a second course of radiation to the chest (called retreatment) can control lung cancer that has come back or a new cancer that started there. People who have already had radiation to their chest and are healthy enough for more may be eligible.
Aarhus, JutlandAges Any age - NCT06942195Recruiting
Calcium's effect on gut function and blood sugar in type 2 diabetes
This study tests if calcium can help control blood sugar and gut function in men with type 2 diabetes. You'll take calcium or a placebo and have a tube inserted into your stomach to measure digestion.
Adelaide, South AustraliaAges 18–70 - NCT06944860Recruiting
3D-printed vs. traditional twin block braces for kids
This trial compares a new 3D-printed twin block brace to a traditional one for children with a large overbite (overjet ≥7 mm). It checks how well germs stick, how smooth the brace is, and how well it works—plus how children feel about it.
Kuala Lumpur, Kuala LumpurAges 10–14 - NCT06948136RecruitingPhase 1
THC effects in older adults trial
This trial studies how a single dose of THC (the active ingredient in cannabis) affects older adults. It aims to understand the effects in this age group, which may help guide safe use.
West Haven, ConnecticutAges 21 years+ - NCT06943443Enrolling by invitation
Vitamin D and expander treatment for teens
This trial looks at whether vitamin D levels affect how well a special expander (MARPE) works to fix a narrow upper jaw in teens. If you are 15–18 and have a narrow upper jaw, you may be able to join.
Konya, MeramAges 16–18 - NCT06946641RecruitingPhase 1
Testing QLS12010 safety in healthy adults and people with eczema
This trial tests a new drug, QLS12010, to see if it is safe and how it works in healthy volunteers and in people with moderate to severe atopic dermatitis (eczema). It may offer a new treatment option for those whose eczema has not improved with topical creams.
BeijingAges 18–75 - NCT06943469Recruiting
Study of special formula for babies with allergy risk
This study tests a special baby formula (partially broken-down protein with added prebiotics and probiotics) to see if it helps strengthen babies' skin barrier and reduce allergy risk. It's designed for newborns who have a family history of allergies.
BrugesAges 1 day–2 weeks - NCT06936670Recruiting
Breathing exercises for heart and kidney health in type 2 diabetes
This study tests if a special breathing exercise program (strengthening your breathing muscles) can improve heart, kidney, and blood vessel health in young people with type 2 diabetes. It is a 12-week home-based program that might help your body work better.
Seattle, WashingtonAges 14–40 - NCT06035211Recruiting
Can a 3D model of your kidney reduce anxiety before surgery?
This study tests whether showing you a personalized 3D model of your kidney before surgery helps lower anxiety. You'll be scheduled for a partial nephrectomy (removing just the tumor, not the whole kidney) for a kidney tumor.
AngersAges 18 years+ - NCT05885646Recruiting
Sulthiame study using sleep EEG in children with epilepsy
This trial tests whether sulthiame changes sleep-related brain wave activity (EEG) in children with certain epilepsy syndromes. It may help doctors understand how sulthiame affects the brain’s electrical patterns between seizures.
AngersAges 6–15 - NCT05581368Recruiting
Study how cannabis affects blood vessels
This trial tests whether regular cannabis use changes how your blood vessels work, compared with people who do not use cannabis. It may help researchers understand potential effects on heart and circulation health.
London, OntarioAges 19–80 - NCT06490250Recruiting
Breathing vs. movement exercises for hypertrophic cardiomyopathy
This study compares two types of gentle exercises—breathing muscle training and a traditional Chinese movement practice called Baduanjin—to see which helps people with hypertrophic cardiomyopathy feel better and improve their daily life. If you have a thickened heart muscle but are stable and have mild symptoms, you may be able to join.
IstanbulAges 18 years+ - 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 - NCT06933498Recruiting
Nerve block for less pain meds in back surgery
This trial tests whether a nerve block (called an erector spinae plane block) given before surgery can reduce the amount of pain medicine and anesthesia needed during lumbar disc surgery. It may help people have less pain and fewer side effects.
AnkaraAges 18–75 - NCT06940648Enrolling by invitation
Bladder lesion removal with a new surgical tool
This trial tests a new tool to remove bladder lesions through the urethra. If you have a small bladder lesion that needs to be removed, this study may be an option.
Hong Kong, Hong KongAges 22 years+
Hear when a new Effectiveness 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 effectiveness?
- Yes. Clin2 currently lists 6,374 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.