Clinical trials
Effectiveness clinical trials
Below are recruiting effectiveness clinical trials, each written for real people, not researchers. We’re tracking 6,378 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06293703Recruiting
Leg length ratio and weight loss after gastric bypass
This study looks at how the length of different parts of your small intestine affects weight loss after Roux-en-Y gastric bypass surgery. It may help doctors tailor the surgery for better results.
Cleveland, OhioAges 18–70 - NCT06294964Enrolling by invitation
Sleep and heart health study for older adults
This study looks at how sleep patterns affect the risk of heart disease and stroke in older adults. It aims to help improve heart health through better sleep.
ShanghaiAges 60–120 - NCT06292533Enrolling by invitation
Ultrapulse for hair loss in Malaysian men and women
This study tests if Ultrapulse treatment helps regrow hair in people with male or female pattern baldness. It may be an option if you haven't used hair loss medications recently or had certain scalp procedures.
Bandar Puchong Jaya, SelangorAges 18 years+ - NCT06275815Recruiting
Parent training for early language skills
This study helps parents use simple learning activities at home to boost their child's language skills. If your child is getting speech therapy (or waiting for it) and has trouble with words, this program might be a good fit.
Columbus, OhioAges 4 years–5.9 years - NCT06291077RecruitingPhase 4
Belatacept vs anticalcineurins after kidney transplant
This study is comparing two medications after kidney transplant: Belatacept and anticalcineurins (like tacrolimus). It looks at how each affects blood vessel health. If you are more than a year post-transplant and have stable kidney function, you may be eligible.
RouenAges 18–75 - NCT06285396Recruiting
Diabetes and medication effects on uterine muscle during C-section
This trial studies how three medications (ephedrine, phenylepinephrine, and norepinephrine) affect the contraction strength of uterine muscle tissue from pregnant people with type 2 or gestational diabetes during planned C-sections. It aims to understand if these drugs act differently in people with diabetes, which could help tailor safer treatments for low blood pressure during surgery.
Toronto, OntarioAges 19–45 - NCT06285708Recruiting
Making PTSD therapy safer for people with suicidal thoughts
This study tests whether a type of therapy called Prolonged Exposure can be more effective and safe for people who have both PTSD and suicidal thoughts. The goal is to help reduce trauma symptoms while addressing suicide risk.
Columbus, OhioAges 18 years+ - NCT06278974Recruiting
Comparing myopia treatments for kids: glasses vs ortho-k
This study compares three ways to slow down nearsightedness in children: special glasses (defocus lenses), regular glasses, and orthokeratology contact lenses (worn overnight). It aims to find which works best for kids who have never worn glasses before.
Shenyang, LiaoningAges 7–17 - NCT06275308Recruiting
Testing carbon dioxide levels on eye structure in children
This study looks at how changing the level of carbon dioxide in the blood affects a layer in the back of the eye (the choroid) in children having an eye exam under anesthesia. It may help doctors understand eye health better.
Pittsburgh, PennsylvaniaAges Up to 8 years - NCT05973786RecruitingPhase 3
Six-week medicine boost for bipolar depression after first treatment fails
This trial tests whether a stronger, more active medication plan for six weeks helps people with bipolar depression who did not improve with their first prescribed treatment. It compares the intensified medication plan to usual care to see which approach works better.
InnsbruckAges 18 years+ - NCT05632887Recruiting
Testing how eyeliner changes eye tears
This study compares how eyeliner affects your tears—like tear makeup, how much your eyes produce, and how long the tear layer stays stable. You might help researchers understand whether eyeliner use impacts eye comfort or dryness.
Wuhan, HubeiAges 20–35 - NCT05873543Recruiting
Smartphone-based exercise program for heart failure recovery
This trial tests whether a hybrid heart-rehabilitation program that uses a smartphone helps people with heart failure feel better and safely exercise. If you’re eligible, you’ll likely get guided exercise training with help from a phone app.
TaipeiAges 18–80 - NCT06256354Recruiting
Managing body temperature during cancer surgery to prevent confusion
This trial tests whether carefully managing a patient's body temperature during cancer surgery can reduce the risk of postoperative delirium and improve long-term survival. It is for older adults undergoing major cancer surgery.
Chizhou, AnhuiAges 65 years+ - NCT06270589Recruiting
Intense Exercise with Mindfulness for Kids' Thinking Skills
This study tests whether combining high-intensity interval training (short, intense exercise bursts) with mindfulness recovery (focusing on the present moment) can improve thinking skills like focus and planning in children. It may help 10-to-12-year-olds who are generally healthy.
West Lafayette, IndianaAges 10–12 - NCT06261424Recruiting
Exercise program for spastic ataxia types ARSACS and SPG7
This study tests whether a supervised exercise program (including pool exercises) can help people with certain types of hereditary ataxia. The goal is to see if it reduces symptoms like muscle stiffness and coordination problems.
Baie-Saint-Paul, QuebecAges 16 years+ - NCT06270407RecruitingPhase 4
Tranexamic acid for fewer complications in plastic surgery
This study tests whether applying tranexamic acid directly to the skin during plastic surgery reduces bleeding or other complications compared to a placebo. It may help you heal better after your procedure.
VejleAges 18 years+ - NCT06274268Recruiting
Sarcopenia and cancer treatment side effects study
This study looks at how muscle loss (sarcopenia) might affect side effects from cancer treatments. If you are starting a new cancer treatment, a CT scan before treatment can help doctors predict your risk of side effects.
ChambéryAges 18 years+ - NCT06272669Recruiting
Brain stimulation therapy for teens with autism
This study tests whether repeated sessions of a gentle brain stimulation technique called tDCS can help teenagers with autism feel calmer or more focused. The treatment is non-invasive and involves wearing a cap with electrodes for about 20 minutes at a time.
Hung Hom, KowloonAges 12–21 - NCT06261502RecruitingPhase 2
CBD for Anxiety in Fragile X Syndrome
This trial tests if cannabidiol (CBD) can help with anxiety and improve brain function in people with Fragile X syndrome. Participants will receive CBD or a placebo, and may have brain scans (MRI) or magnetic stimulation (TMS) to see how it works.
Sherbrooke, QuebecAges 7–40 - NCT06258161Recruiting
How spinal surgery affects balance and reach
This study looks at how adult spinal deformity surgery affects your ability to reach forward and balance. It compares the results of surgery with healthy adults to see if the surgery helps improve everyday movements.
Kansas City, KansasAges 18 years+ - NCT06267989Recruiting
Early treatment for misplaced upper canine teeth
This trial tests whether early treatment can help guide a misplaced upper permanent canine tooth into its correct position. It may be a good option if your canine tooth is not coming in normally and is not pushed toward the cheek.
Traben-TrarbachAges 10–12 - NCT06254794Recruiting
Blood flow restriction rehab after Achilles tendon repair
This study tests whether adding blood flow restriction (BFR) to standard physical therapy helps people recover better after Achilles tendon repair surgery. You may be a good fit if you had a PARS or open repair and plan to rehab at a Methodist Hospital.
Houston, TexasAges 18 years+ - NCT06267859Enrolling by invitationEarly Phase 1
Better treatment for common childhood illnesses
This study aims to improve treatment for children with common illnesses like bronchitis and for those who get sick often, to help them recover faster and stay healthier.
Tashkent, Yunus-obad DistrictAges 3 days–15 years - NCT06262295Recruiting
Monitoring the safety of AVEIR leadless pacemakers
This study tracks the safety and performance of AVEIR VR LP and AVEIR AR LP leadless pacemakers in people who already have them or will get one. It helps doctors and researchers see how well these small heart devices work over time.
La TroncheAges 18 years+
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Common questions
- Are there clinical trials for effectiveness?
- Yes. Clin2 currently lists 6,378 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.