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
- NCT06772753RecruitingPhase 1
Study of Psychedelic Effects in Healthy Adults
This study tests how certain psychoactive substances affect your mind and body. It is looking for healthy volunteers to take part in supervised sessions to explore the effects of these drugs.
Baltimore, MarylandAges 25–55 - NCT06758830RecruitingPhase 2/Phase 3
Total neoadjuvant therapy vs surgery for rectal cancer
This trial tests whether a full course of chemotherapy and radiation before any surgery (called total neoadjuvant therapy) can help you avoid surgery and preserve your rectum. It is for people with a specific early stage of rectal cancer that has not spread.
VilniusAges 18 years+ - NCT06727500Recruiting
Exercise training for kids with obesity
This trial tests whether two types of exercise training (high-intensity interval training or a mix of HIIT and jumping exercises) improve muscle and tendon health in children and teenagers with obesity. It looks at how results differ based on whether kids are before or after their growth spurt.
SantiagoAges 7–17 - NCT06701825RecruitingPhase 4
Genetic testing before tacrolimus in kidney transplant
This study tests whether doing a simple genetic test before starting the anti-rejection drug tacrolimus can lead to better dosing and outcomes in kidney transplant patients. It also looks at whether this approach is cost-effective.
Madrid, MadridAges Any age - NCT06686914RecruitingPhase 1
How CBD affects driving by dose and sex
This study tests how different doses of CBD (a cannabis compound) affect driving ability in healthy adults. It looks at whether men and women react differently, and helps understand if CBD is safe to use before driving.
Morgantown, West VirginiaAges 18–30 - NCT06624462Recruiting
Meta Care Clinic for weight and health in severe mental illness
This study tests a special clinic that helps people with schizophrenia or bipolar disorder manage their weight and metabolic health while taking antipsychotic medication. It focuses on improving overall health with practical support.
Glostrup Municipality, Capital RegionAges 18–45 - NCT06572098Enrolling by invitation
Lymphedema therapy and its effect on stress and antioxidants
This trial tests if a special therapy for arm swelling (lymphedema) after breast cancer treatment can reduce oxidative stress (a sign of cell damage) and boost antioxidants. It may help you if you have stage 2 or 3 lymphedema.
Adana, çukurovaAges 25 years+ - NCT06568081Recruiting
Studying a therapy for paranoia in psychosis
This trial tests a therapy for people with psychosis who also experience paranoia. It aims to see if the therapy works and whether it's cost-effective in routine care.
LondonAges 18 years+ - NCT06525402Recruiting
Mouth rinse study for kids getting chemo
This trial tests three different mouth rinses—sodium bicarbonate, saline, and black mulberry syrup—to see which one best prevents or lessens mouth sores (oral mucositis) in children receiving chemotherapy.
IspartaAges 6–18 - NCT06511908RecruitingPhase 2
Testing a new ketamine-like drug for hard-to-treat depression
This study tests a new experimental drug (2R,6R)-HNK, a chemical related to ketamine, given by IV infusion to see if it can help people with depression that hasn't improved with other treatments. The goal is to find a new option for people who have not found relief from standard antidepressants.
Bethesda, MarylandAges 18–70 - NCT05786742Recruiting
Radiation plan test for early prostate cancer with a boost
This trial tests a more concentrated radiation schedule for early-stage prostate cancer, using an extra high-dose “boost” delivered from inside the body. It may help by treating the prostate more precisely while aiming to keep side effects manageable.
QuébecAges 18–95 - NCT06488950RecruitingEarly Phase 1
TIL therapy for advanced solid tumors
This trial tests a new type of personalized cell therapy (TIL) for people with advanced solid tumors who have run out of standard treatment options. It aims to see if this approach can help shrink tumors.
ShanghaiAges 18–75 - NCT06490315Enrolling by invitation
Studying OkeyMind for social anxiety in young people
This trial tests if a smartphone program called OkeyMind helps reduce social anxiety in young people aged 15-24. It also looks at whether the program is worth the cost.
Hong Kong, Hong KongAges 15–24 - NCT06293196Recruiting
Acupoint eye massage trial for healthy people
This study tests whether massaging acupoints around the eyes can improve eye health measurements. It is only for healthy people with no eye problems, recent surgeries, or caffeine before the test.
Wuhan, HubeiAges 18–80 - NCT05322460Recruiting
Online support program for long-term breast cancer survivors
This study tests a web-based program to support women who have finished breast cancer treatment and have no signs of active disease. It may help improve how you cope, stay informed, and manage life after treatment.
PamplonaAges 18–99 - NCT06180681Recruiting
School team program for children with ADHD ages 7-11
This study tests a team-based approach in schools to help children with ADHD. It works with parents, teachers, and school mental health providers to improve the child's behavior and school success.
San Diego, CaliforniaAges 7–11 - NCT06089980Recruiting
Kratom product study for regular users
This study watches how regular kratom users react to their own kratom product. It aims to learn more about kratom's effects in real-world settings.
Baltimore, MarylandAges 21 years+ - NCT05800535Recruiting
Screening for muscle loss and thinking changes after cancer
This study looks at how common muscle weakness (sarcopenia) and thinking or memory changes (often called “chemobrain”) are in people after cancer treatment. It may help teams understand what support could be most helpful after chemotherapy.
Pierre-BéniteAges 18–74 - NCT05868135Recruiting
Online guided therapy for depression and anxiety
This trial tests an internet-based (online) guided psychological program, called e-Meistring, for people with moderate depression plus panic disorder and social anxiety. It aims to see whether the program improves symptoms and is also worth the cost.
BergenAges 18 years+ - NCT05492032Recruiting
Brain stimulation sessions for teens with autism symptoms
This trial tests whether repeated, brain-based stimulation (done through the scalp) can improve symptoms in adolescents with autism spectrum disorder, and whether a later “booster” session adds more benefit. It may help learn which stimulation schedule works best, especially when teens also have attention symptoms—but not epilepsy or mood/anxiety disorders.
Hung Hom, KowloonAges 12–21 - NCT05789485RecruitingPhase 2
Exercise program to reduce treatment side effects in GI cancer
This trial studies whether a structured exercise plan can lessen side effects from chemotherapy in people with colorectal or stomach/esophagus solid tumors. If you’re about to start chemotherapy, the study will check whether exercising helps you feel and function better during treatment.
Hartford, ConnecticutAges 18 years+ - NCT05688904RecruitingPhase 1
Topical imipramine with light treatment for skin pain relief
This Phase 1 study tests whether applying imipramine cream to the skin affects pain and effectiveness when combined with a light-based skin treatment (photodynamic therapy). It’s mainly looking at safety and early signs of benefit for people with certain sun-damaged skin areas.
Fairborn, OhioAges 18 years+ - NCT05652478RecruitingPhase 2
How HIV prevention drugs affect metabolism in healthy people
This study tests how certain HIV prevention drugs affect the body's metabolism (how it uses energy) in healthy people. It aims to understand side effects before these drugs are used more widely, which could help make future treatments safer.
Bethesda, MarylandAges 18–55 - NCT05649852Recruiting
Testing how socio-aesthetic care may reduce anxiety during chemotherapy
This study looks at whether “socio-aesthetic” care (support that combines social and beauty/wellbeing elements) can lessen anxiety in people starting chemotherapy. It is designed for patients who are new to chemotherapy and can complete French questionnaires.
ValenceAges 18 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.