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
- NCT05562128Recruiting
Forest therapy study for mood and physical wellbeing
This trial tests whether spending time in a forest (forest therapy) can improve physical comfort and psychological wellbeing in healthy adults. You may be randomly placed into the forest therapy approach or a comparison group to see what changes over time.
Berlin, State of BerlinAges 18–90 - NCT05562232Recruiting
Creatine for persistent concussion symptoms after 6–18 months
This trial studies whether creatine monohydrate can improve long-lasting symptoms after a concussion. It’s for adults whose symptoms have lasted between 6 and 18 months.
OdenseAges 20–45 - NCT05563766RecruitingPhase 2
Itraconazole added for treatable esophageal cancer before surgery
This study tests whether adding itraconazole (an anti-fungal medicine) to standard chemo-radiation before surgery increases the chance of complete tumor response. It’s for people with esophageal (or GE junction) cancer that can be removed with curative surgery after treatment.
Palo Alto, CaliforniaAges 18 years+ - NCT05563649Recruiting
Online guided family self-help for teens with anorexia
This trial tests whether an online, guided “self-help” program that involves the family helps teens with anorexia recover better than usual care. It aims to improve eating and reduce anorexia symptoms while being delivered from home.
Stanford, CaliforniaAges 12–18 - NCT05564026Recruiting
Study of DNA patterns in childhood germ cell tumors
This study looks at “molecular” (DNA-related) features of germ cell tumors in children and teens. It also follows patients over time, which can help researchers understand tumor patterns and improve future care.
Minneapolis, MinnesotaAges Any age - NCT05567237Recruiting
Microcurrent therapy with or without exercise for adults 40–65
This study compares microcurrent treatment (a low-level electrical current) and resistance exercises to see how they affect muscle performance and recovery. It may help people who are not regularly exercising learn which approach works better for improving physical function.
LondonAges 40–65 - NCT05568719RecruitingPhase 3
Testing gene therapy for hemophilia A or B
This Phase 3 trial is checking how safe and effective two gene therapies are for people with hemophilia A or hemophilia B. It only includes people who already received the study medicines through specific Pfizer studies, so it’s mainly for that existing participant group.
Rancho Cordova, CaliforniaAges 18 years+ - NCT05569382RecruitingPhase 4
Testing bisoprolol and verapamil in hypertrophic heart disease
This study tests whether two common heart medicines, bisoprolol and verapamil, improve symptoms in adults with non-obstructive hypertrophic cardiomyopathy. It may help you and your care team understand which medicine works better for symptom control and heart function.
Aarhus NAges 18 years+ - NCT05569785Recruiting
Bariatric surgery and exercise to study muscle changes
This study looks at how exercise and bariatric surgery (gastric bypass or sleeve) affect your muscle strength and health. You may be eligible if you are an adult with obesity who is planning one of these surgeries.
DerbyAges 18–70 - NCT05575882Recruiting
Skin cream trial to prevent relapses in very dry eczema skin
This trial tests whether a cosmetic cream can reduce eczema flare-ups and is comfortable/safe to use on very dry, irritated, eczema-prone skin. It’s mainly for children who have had recent flare-ups and moderate eczema severity.
Ciudad Autónoma de Buenos Aire, Ciudad Autónoma de Buenos AireAges 6 months–15 years - NCT05577585Recruiting
Ketamine treatment for obsessive-compulsive disorder symptoms
This study tests whether ketamine can reduce obsessive-compulsive disorder (OCD) symptoms and how it affects stress and thinking. It also compares ketamine to usual care to see if benefits and side effects differ.
Vienna, State of ViennaAges 18 years+ - NCT05576818RecruitingPhase 3
Synbiotic add-on for people with Parkinson’s disease
This trial tests whether adding a synbiotic (a mix of probiotics and prebiotics) along with standard Parkinson’s medicines can improve symptoms or health outcomes. It’s mainly for adults with Parkinson’s disease at earlier to mid-stages who take dopamine replacement therapy.
Tanta, El GharbiaAges 45–65 - NCT05578300Recruiting
Translating thrombectomy care into real-world practice in Asia-Pacific
This study aims to help endovascular thrombectomy for certain severe strokes work well in everyday hospital care across Asia-Pacific. You may be considered if you’re an adult with a specific type of stroke blocked in a major brain blood vessel.
Linyi, ShandongAges 18 years+ - NCT05578586Recruiting
Study testing how to give meropenem in the ICU
This pilot study looks at the best way to give meropenem antibiotic to ICU patients with a serious suspected or confirmed infection. It may help improve treatment timing and dosing to fight infection while in intensive care.
OsloAges 18 years+ - 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 - NCT05585411Recruiting
Pacemaker type test to reduce heart worsening and death risk
This study compares two pacemaker pacing strategies—left-sided “bundle branch area” pacing versus right-sided ventricular pacing. It aims to see which approach better prevents heart failure getting worse and reduces abnormal timing between heart chambers over time.
Bucheon-siAges 19 years+ - NCT05585450Recruiting
Electroacupuncture for bothersome prostate swelling symptoms
This trial studies whether electroacupuncture can improve symptoms caused by benign prostatic hyperplasia (BPH), which is non-cancer prostate enlargement. If you have frequent urination or weak urine flow for at least a few months, acupuncture treatment may help relieve those symptoms.
Beijing, Beijing MunicipalityAges 40–80 - NCT05586360RecruitingPhase 2
Testing how a statin may change immune markers in prostate cancer
This Phase 2 study tests whether taking simvastatin can change “immune regulation” markers in men with intermediate- to high-risk localized prostate cancer. It also looks at whether this could help lower the risk of cancer coming back after planned prostate surgery.
Atlanta, GeorgiaAges 18 years+ - NCT05588115Recruiting
Test blood biomarkers to help diagnose concussion
This study checks whether a blood test can accurately and quickly identify an uncomplicated concussion. It may help doctors confirm concussion sooner and more reliably, and potentially reduce time and cost of diagnosis.
Calgary, AlbertaAges 18–65 - NCT05588492RecruitingPhase 4
Rifamycin treatment to prevent TB after kidney transplant
This study looks at whether a rifamycin-containing medicine plan is safe and effective at preventing latent (hidden) TB after a kidney transplant. If your TB test shows you likely have hidden TB, you would be offered treatment to reduce the chance it becomes active TB.
TaipeiAges 20 years+ - NCT05598203Recruiting
Nutrition education groups for adults with type 2 diabetes
This trial studies whether attending group sessions about nutrition can help adults with type 2 diabetes manage their health better. It may be most helpful if your diabetes is not yet well controlled and you can safely participate in group education.
Porto Alegre, Rio Grande do SulAges Any age - NCT05600738Recruiting
Deep brain stimulation to treat epilepsy
This trial studies how adding or using deep brain stimulation devices affects people with epilepsy. It may help researchers understand which outcomes improve when these implanted devices are used.
Houston, TexasAges 18 years+ - NCT05603650Recruiting
Mouthwash study for healthy bacteria in your mouth and gut
This study tests how a mouthrinse changes the helpful bacteria in your mouth and stomach/gut. You may need several visits and phone follow-ups to see how your microbiome shifts over time.
Irvine, CaliforniaAges 18 years+ - NCT05604391Recruiting
Free gum graft to help cover exposed tooth roots
This trial studies a procedure called a free gingival graft to cover exposed (receding) tooth roots and improve comfort and appearance. You might benefit if you have gum recession in the front lower teeth and meet the specific dental and health requirements.
KütahyaAges 18–99
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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.