Clinical trials
Effectiveness clinical trials
Below are recruiting effectiveness clinical trials, each written for real people, not researchers. We’re tracking 6,871 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04869098Recruiting
Evening protein shake for night shift workers’ metabolic health
This study tests whether eating a protein preload in the evening (often called a protein “shake/meal” before sleep) can improve metabolic health in night shift workers. It aims to see if this timing and protein intake helps measures related to metabolism while working nights.
Adelaide, South AustraliaAges 35–65 - NCT04871048Recruiting
tDCS training to reduce cannabis use in people with schizophrenia
This trial tests whether a non-painful brain stimulation method (tDCS) can help people with schizophrenia who also have moderate-to-severe cannabis use disorder reduce or quit cannabis. It also involves MRI scanning to help study brain changes.
BronAges 18–60 - NCT04873011RecruitingPhase 1
Quinine in overweight women to change hunger and gut hormones
This early study tests whether quinine affects hunger and digestion-related gut hormones in women who are mildly overweight. It may help researchers understand how the body controls appetite, but it is mainly to check effects and safety.
Leuven, Vlaams-BrabantAges 18–65 - NCT04874012RecruitingPhase 2
Taurine supplement study for blood sugar, fats, and inflammation
This Phase 2 study tests whether taking taurine affects blood sugar control, cholesterol/fats, and inflammation in people with type 2 diabetes. It may help by improving these lab markers, which are linked to long-term health risks.
Porto Alegre, Rio Grande do SulAges 30–80 - NCT04873687Recruiting
ECP treatment for stable angina while waiting for heart care
This trial studies whether ECP (a non-surgical treatment that improves blood flow to the heart) can reduce symptoms in people with stable angina who may need or are waiting for heart bypass surgery, or are being managed with medicines instead. It may help you feel better and need less urgent care—if you meet the study’s medical and personal requirements.
Bandung, West JavaAges 18 years+ - NCT04883515Recruiting
Glutamine drink for insulin resistance and bowel symptoms
This trial studies whether taking an oral glutamine supplement can improve insulin resistance and reduce bowel-related problems in people with obesity and irritable bowel syndrome. It may help your blood sugar regulation and digestive comfort if you meet the criteria.
RouenAges 18–65 - NCT04885322Recruiting
Brain stimulation trial for attention and thinking control
This study tests whether a non-painful brain stimulation method (tDCS) can improve attention and “thinking control,” and how brain activity changes during tasks. It also uses brain imaging (MRI), so safety and comfort conditions must be met.
Sacramento, CaliforniaAges 18–50 - NCT04888832Recruiting
SNAP work requirements in Virginia and who is affected
This study looks at how SNAP (food assistance) work requirements affect people who are required to work or participate in work programs. It may help policymakers understand whether the rules improve or harm people’s ability to get food.
Glen Allen, VirginiaAges 18–49 - NCT04888975Recruiting
Device study for one-arm swelling after lymph surgery
This study tests a medical device (Dayspring Technology) to reduce swelling in the arm caused by breast cancer treatment and lymph surgery. You may be eligible if you have one-sided arm swelling after lymphatic surgery and meet safety checks for the device.
Palo Alto, CaliforniaAges 18 years+ - NCT04893603Recruiting
TAVR valve test for severe, hard-to-pump heart valve
This trial studies whether a new through-the-blood-vessel heart valve (TAVR) is safe and works well for people with severe aortic stenosis who are too risky for traditional surgery. If you qualify, you would be closely followed to check your symptoms and valve function over time.
BeijingAges 70 years+ - NCT04903223RecruitingPhase 1
Testing how fat in the liver affects statin use in kids
This early study tests whether “liver fat” changes how a statin (rosuvastatin) works in children and teens. It may help doctors choose safer or more effective dosing in kids based on biology and a specific genetics marker.
Kansas City, MissouriAges 8–21 - NCT04905745Recruiting
Integrative Korean medicine for new one-sided Bell’s palsy
This trial studies whether an integrative Korean medicine treatment can safely improve symptoms of Bell’s palsy. It’s meant for people whose facial weakness started recently, to see if treatment helps recovery.
Seoul, Gangnam-GuAges 19–69 - NCT04906408Recruiting
Testing wound-care steps after ventral hernia surgery
This study looks at whether different post-surgery wound-care steps can reduce problems at the incision site after elective ventral hernia repair. If you qualify, you may receive a specific wound treatment plan chosen by the study team to see how it affects healing and infection rates.
Columbus, OhioAges 18 years+ - NCT04911036Recruiting
Compare parent stress after diagnosis before versus after birth
This study looks at how the timing of a baby’s diagnosis—before birth (antenatal) versus after birth (postnatal)—affects parents’ stress and emotional reactions after their child has surgery. You may be able to contribute by sharing experiences as a parent of a child who had this specific surgery.
LilleAges 18 years+ - NCT04912518Recruiting
Dexmedetomidine for heart protection after a specific heart attack
This study tests whether dexmedetomidine can protect the heart in people who are having a specific type of heart attack (anterior STEMI) when treated within 6 hours of symptom start. You may be considered if your diagnosis and vital signs fit the study safety rules, and if you can take part in follow-up.
Hefei, AnhuiAges 18–75 - NCT04913064Recruiting
White button mushroom supplement for inflammation in high-risk breast cancer
This trial tests whether a white button mushroom powder supplement can lower inflammation in postmenopausal women who have a high risk of breast cancer. If it helps, it could improve early prevention strategies for people at higher risk.
Duarte, CaliforniaAges 21 years+ - NCT04916210Recruiting
Study how stroke type affects thinking and recovery
This study looks at what predicts memory and thinking problems after different types of stroke or brain bleeding, and how blood-vessel changes relate to recovery. You may be invited if you recently had a stroke/bleed and can complete a baseline check within 6 weeks.
Phoenix, ArizonaAges 18 years+ - NCT04916197RecruitingPhase 4
Dexmedetomidine sedation after stroke clot removal
This Phase 4 study tests whether using a specific calming medicine (dexmedetomidine) for a longer period after a successful clot-removal procedure helps people do better in the long term. It may help improve outcomes after ischemic stroke where the clot is successfully treated.
Beijing, Beijing MunicipalityAges 18–80 - NCT04917471Recruiting
Testing nitrate to improve red blood cell function in type 2 diabetes
This study looks at whether taking nitrate can improve how red blood cells work in people with type 2 diabetes. You may be asked to follow a specific plan and avoid certain foods or medicines that could affect the results.
StockholmAges 18 years+ - NCT04926597Recruiting
Extra nutrition after hospital discharge for higher-risk patients
This study looks at whether continuing nutritional support after you leave the hospital can reduce death risk and help you recover better—like improving strength, frailty, and daily functioning. It targets people who are at higher risk of poor nutrition during/after their hospital stay.
BarcelonaAges 18 years+ - NCT04927533Recruiting
Ronnie Gardiner Method for hospital patients 60+
This study looks at whether the Ronnie Gardiner Method helps people age 60 and older who are in the hospital for mental health and thinking concerns. It will test how effective the method is for improving comfort, daily functioning, or wellbeing.
Tienen, Vlaams-BrabantAges 60 years+ - NCT04930029Recruiting
Long-term follow-up after gastric bypass with an omega limb
This study looks at long-term side effects years after gastric bypass surgery done in a specific way. If you had this type of surgery and agree to an endoscopy with small tissue samples at 10 years, you may help doctors understand longer-term outcomes.
LilleAges 18 years+ - NCT04929951RecruitingPhase 1
Micro fat injection to treat shoulder arthritis
This Phase 1 study tests whether a micro-fragmented fat (MFAT) injection can reduce symptoms and improve shoulder function in people with shoulder osteoarthritis. It’s early research, so the goal is mainly to see if the treatment is safe and possibly helpful.
Stanford, CaliforniaAges 25–75 - NCT04931225RecruitingPhase 3
Landiolol for heart-rate and circulation problems in septic shock
This Phase 3 trial tests whether landiolol (a short-acting heart-rate–lowering medicine) can improve blood circulation in adults with septic shock whose heart rate is too fast. Doctors will also check that the medication is safe in this critical-care setting.
ParisAges 18 years+
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Common questions
- Are there clinical trials for effectiveness?
- Yes. Clin2 currently lists 6,871 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.