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
- NCT05953558Recruiting
Study of Micra AV heart device timing in French patients
This study looks at how well a Micra AV heart device helps coordinate the heart’s timing. If you already received the Micra AV, you may be able to join as long as you consent.
ParisAges 18–110 - NCT05922007Recruiting
Study of chronic pain effects on daily life
This study looks at how long-lasting pain and its treatment affect quality of life and physical activity. It asks people to complete questionnaires to understand what changes over time.
Ostrava, Moravian-Silesian RegionAges 18–65 - NCT05955313RecruitingPhase 2
Low-dose naltrexone for different types of vulvodynia pain
This Phase 2 study tests whether low-dose naltrexone can reduce pain from vulvodynia. It also looks at how well it works across different vulvodynia types, comparing to what participants are already doing for symptoms.
LublinAges 18–50 - NCT05954364Recruiting
Study of advanced treatments for psoriatic arthritis based on sex and gender
This study looks at how well advanced treatments work for people with psoriatic arthritis, and whether results differ for sex and gender. You may be eligible if your psoriatic arthritis is active and you are planning to start an advanced treatment for symptoms in the joints and surrounding areas.
Toronto, OntarioAges 18 years+ - NCT05962190Recruiting
Short-term extra fat intake to study liver metabolism
This study tests what happens to the liver and fat metabolism when you eat extra fat for a short time. It may help researchers understand how diet affects liver function and metabolism in otherwise stable adults.
OxfordAges 18–65 - NCT05983783RecruitingPhase 3
Testing two drug combinations for advanced prostate cancer
This trial compares two combinations of drugs for men with metastatic hormone-sensitive prostate cancer that has a high tumor burden. One group gets rezvilutamide plus hormone therapy and chemotherapy, while the other gets rezvilutamide plus hormone therapy alone. The goal is to see which is more effective and safe.
Nanjing, JiangsuAges 40–80 - NCT05617859RecruitingPhase 2
Lenvatinib treatment for advanced bone or soft tissue sarcoma
This trial tests lenvatinib to shrink or control advanced bone or soft tissue sarcoma that can’t be safely treated with surgery. You may be eligible if your cancer has measurable spots and you’ve had specific prior drug treatments without a durable response.
Zhengzhou, HenanAges 10–70 - NCT06006091Recruiting
Letrozole for preparing the womb before embryo transfer
This study tests if a medicine called letrozole can help prepare the lining of the womb for a frozen embryo transfer. It may be an option for women under 40 who have had limited previous IVF cycles.
ShanghaiAges Up to 40 years - NCT03742687Recruiting
Testing a shorter, stronger radiation schedule for lung cancer
This trial studies a different way to deliver radiation to people with locally advanced, non-operable non-small cell lung cancer. It may help by aiming to treat the tumor effectively with a different radiation timing and dose pattern.
AarhusAges 18 years+ - NCT06048172Recruiting
Trauma therapy for PTSD with a psychotic disorder
This trial tests if prolonged exposure therapy, a common PTSD treatment, can help people who also have a psychotic disorder (like schizophrenia or bipolar with psychosis). The goal is to reduce PTSD symptoms.
HamburgAges 18 years+ - 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+ - NCT06043999Recruiting
Chemotherapy vs. surgery for high-risk rectal cancer after local removal
This trial compares standard chemotherapy to more extensive surgery (total mesorectal excision) for patients whose initial local surgery showed high-risk features like poor differentiation, lymphovascular invasion, or larger tumor size. It aims to find the best treatment to prevent cancer from coming back.
Guangzhou, GuangdongAges 18–75 - NCT02257723Recruiting
Testing combined Korean herbal and therapy for hospitalized spine or joint pain
This trial studies whether a combined complementary treatment approach helps people who are hospitalized for spine or joint problems. It may help reduce the types of pain that come from those areas.
Seoul, Gangnam-GuAges Any age - NCT05165056Recruiting
Light therapy to prevent vaginal side effects from radiation
This study tests whether photobiomodulation (a light-based therapy) can help prevent and lessen vaginal problems caused by radiation for endometrial cancer. If you get radiation to the pelvis, the trial aims to improve comfort and reduce tightening or damage over time.
Genk, LimburgAges 18 years+ - NCT05825092RecruitingPhase 2
Early testosterone gel for people on breathing machines
This Phase 2 study tests whether starting testosterone gel soon after ICU admission can improve physical performance in critically ill adults who need a breathing machine for more than 48 hours. It’s also designed to check safety in this setting.
BordeauxAges 18–79 - NCT06061042Recruiting
Time-restricted eating for metabolic health
This study tests whether eating only during a specific time window each day can improve metabolic health in people with obesity and insulin resistance. If you have a high BMI and early signs of diabetes, this trial might help you understand a simple dietary change.
Amsterdam, North HollandAges 50–75 - NCT05724004Recruiting
Alectinib then targeted radiation for ALK-positive lung cancer
This trial tests giving alectinib first, then adding targeted radiation to remaining spots of cancer in people with ALK-rearranged advanced non-small cell lung cancer. It aims to control the cancer after an initial response and help keep disease from progressing.
StockholmAges 20 years+ - NCT06090682Recruiting
Brain stimulation for Parkinson's with thinking problems
This trial tests a brain stimulation technique (deep brain stimulation) to see if it can help people with Parkinson's disease who also have mild cognitive problems. The goal is to understand how stimulation affects both movement and thinking.
Tianjin, Tianjin MunicipalityAges Up to 75 years - NCT03663790Recruiting
Gait retraining for knee osteoarthritis movement patterns
This trial tests whether a structured walking retraining program can improve how your leg moves if you have knee osteoarthritis. It may help reduce strain on your lower body during walking by changing walking technique.
Manassas, VirginiaAges 18–80 - NCT06026436Recruiting
Predicting clot and bleeding risk in kidney disease patients after a heart attack
This trial tests whether a blood test looking at platelets and tiny cell particles can help predict future blood clots or bleeding in people who have both chronic kidney disease and a recent heart attack. The goal is to improve treatment safety.
MarseilleAges 18–90 - NCT06094855Recruiting
Cooling and balance in multiple sclerosis
This trial tests if cooling therapy can improve balance in people with multiple sclerosis. If you can stand without help for at least one minute, you may qualify.
New York, New YorkAges 18–75 - NCT04957329RecruitingPhase 4
Latanoprost eye drops: with or without preservative
This study compares two versions of latanoprost eye drops—one that contains a preservative and one that is preservative-free. It aims to see how each version affects the eye’s “goblet cells,” which help keep the eye surface healthy.
Glostrup Municipality, DanmarkAges 18 years+ - NCT04347434RecruitingPhase 4
Long-term cholesterol medicines after heart attack
This trial studies how well long-term cholesterol-lowering treatment works in people who recently had a heart attack (STEMI or NSTEMI). It may help your care team understand which patients benefit most and how treatment should be continued safely.
PenzaAges 30–70 - NCT05812950Recruiting
Group therapy for complex eating disorders with cost review
This study tests whether group schema therapy helps people with complex eating disorders and also looks at whether it is cost-effective. It may help if you have anorexia nervosa, bulimia nervosa, or a related diagnosis and can take part in Dutch-language group sessions.
BredaAges 16 years+
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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.