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
- NCT05783141Recruiting
Prebiotic drink study in healthy toddlers in daycare
This study tests whether giving a prebiotic (a food ingredient that supports gut health) affects digestion in healthy toddlers. It focuses on children who are in daycare and have normal bowel habits, to see if the gut responds well.
BrusselsAges 10 months–3 years - NCT05783245Recruiting
Cooling therapy to reduce pain after open carpal tunnel surgery
This trial studies whether cooling (cold therapy) can lessen pain after open carpal tunnel release surgery. If you’re having this surgery, your answers to questionnaires and your current pain-medication status will determine whether you can join.
Chicago, IllinoisAges 18 years+ - NCT05784805Recruiting
Focused ultrasound treatment during EEG monitoring for ongoing seizures
This trial tests whether a focused ultrasound treatment can change brain electrical activity seen on an EEG in people with ongoing seizure emergencies. It may help doctors learn safer ways to modulate seizure activity when standard medicines are not fully stopping it.
New Haven, ConnecticutAges 19–85 - NCT05784857Recruiting
Testing touch methods to reduce pain during suction in preterm babies
This study tests whether different types of gentle touch can lessen pain and stress signals when preterm babies need suction through a breathing tube. If it helps, it could offer a comforting, non-medicine way to improve comfort during this procedure.
Istanbul, AtaşehirAges 6 months–9 months - NCT05786066RecruitingPhase 2
Test whether blocking AMPA changes ketamine’s suicide relief
This study looks at whether an “AMPA receptor blocker” changes how ketamine affects suicidal thoughts in people with depression that hasn’t improved with usual treatments. If you qualify, you may receive ketamine and the study medicine, while continuing your regular mental health care.
West Haven, ConnecticutAges 21–65 - NCT05789433Recruiting
Aerobic exercise study after colon or rectal cancer surgery
This trial studies whether a supervised aerobic exercise program helps muscles “remodel” (change/strengthen) after colon or rectal cancer treatment. It may help people improve physical function during recovery, but you can only join if it’s safe for you and you can follow the study plan.
Orlando, FloridaAges 18 years+ - NCT05790707Recruiting
Ablation for persistent atrial fibrillation to help memory
This study checks whether a procedure called atrial fibrillation ablation can slow memory problems in people who already have mild cognitive impairment. Participants will be tested on thinking and memory before and after treatment to see if the procedure helps.
AngersAges 60–80 - NCT05791994Recruiting
Study tests visual stimulation to improve attention in mild memory issues
This study looks at whether repeated visual stimulation exercises can improve attention in people age 60+ with a specific type of mild cognitive impairment. A study team will also want you to have an informal caregiver to support participation.
AngersAges 60 years+ - NCT05793749Recruiting
Prevent leg swelling after gynecologic cancer treatment
This study tests an early approach to help prevent lower-limb lymphedema (chronic leg swelling) after lymph node surgery and radiotherapy for gynecologic cancer. If you’re at risk, it may help your legs stay less swollen and reduce complications.
Chongqing, Chongqing MunicipalityAges 18–60 - NCT05793996RecruitingPhase 4
Testing an iron infusion for iron deficiency in HFpEF
This study checks how common iron deficiency is in people with HFpEF (heart failure with preserved pumping strength) and tests whether an iron infusion (Ferinject®) improves health. It targets people with stable heart symptoms and lab results showing low iron stores or related iron deficiency.
TomskAges 18 years+ - NCT05795478Recruiting
Oxycodone plus pregabalin for long-term pain after spinal surgery
This trial studies whether taking oxycodone together with pregabalin (both pain medicines) can reduce chronic pain that can linger after spinal surgery. If you qualify, you may be asked to rate your pain and complete questionnaires during recovery.
BeijingAges 18 years+ - NCT05797467RecruitingPhase 3
After-surgery chemo plus targeted therapy for colon cancer
This Phase 3 trial studies whether adding targeted therapy to standard chemotherapy after surgery helps people with stage T3-4, N2 colon cancer live longer or have fewer cancer returns. You would be assigned to receive chemotherapy with targeted therapy or chemotherapy alone, based on the study plan.
Guangzhou, GuangdongAges 18–75 - NCT05797428Recruiting
Talk-based therapy to help teens cope with mood problems
This trial tests “logotherapy,” a type of counseling that helps people find meaning and purpose to cope with sadness or mood swings. It may help adolescents with mild to moderate-to-severe depression feel better and participate in structured therapy.
Kaohsiung City, Niaosong DistrictAges 15–24 - NCT05798494Recruiting
Pre-pregnancy weight loss plan to protect child weight
This study tests whether a very low-calorie weight loss program before pregnancy can improve the chance that a child will have a healthier weight later. It follows families and stores samples from the child at home.
AarhusAges 18–38 - NCT05799664Recruiting
Radiofrequency treatment for COPD using a breathing tube
This trial tests whether a special radiofrequency treatment delivered through a bronchoscope (a thin camera tube) is safe and works better than standard care for people with COPD. It focuses on people with moderate-to-severe COPD symptoms who can follow study visits and tests.
Chengdu, SichuanAges 40–75 - NCT05800054Recruiting
Nutrition support program for people with esophageal cancer
This trial tests whether an “NST whole-course” nutrition management plan can improve nutrition status and reduce side effects during treatment for stage II–III esophageal cancer. It may help you stay stronger and tolerate cancer therapy better by carefully monitoring and adjusting nutrition.
Nanjing, JiangsuAges 18–75 - NCT05800522Recruiting
Supportive parenting program for kids with behavior and mood struggles
This trial tests whether a supportive parenting program can help children who are showing higher-than-usual symptoms like anxiety, depression, anger, or behavior problems. If you’re not already in certain specialized mental health programs, your child may be able to join and get structured support for coping.
OsloAges 4–12 - NCT05800470Recruiting
Brain-training with light sensors to improve walking in Parkinson’s
This trial tests a “neurofeedback” training program using a special light-sensing cap (fNIRS) to help improve balance and walking in people with Parkinson’s disease. You may also do guided walking practice mentally (imagery training), and your ability to walk and balance will be measured.
Taipei, None SelectedAges 40–85 - NCT05802121RecruitingEarly Phase 1
Testing a gut bacteria supplement side effects during prostate hormone therapy
This early-phase study looks at how changing gut bacteria (especially Akkermansia) affects metabolic side effects in men starting prostate hormone therapy (ADT). It may help researchers understand how to reduce or manage side effects for people on ADT.
London, OntarioAges 18 years+ - NCT05802680Recruiting
Near-infrared light study for brain effects in adults
This study tests how non-invasive near-infrared light may affect brain function. You may be able to join if you’re an adult, since there are no other listed eligibility restrictions.
Austin, TexasAges 18 years+ - NCT05804448Recruiting
Altitude effect on spinal headache after C-section
This study looks at whether living at higher or lower altitudes changes the risk of a specific headache after a C-section done with spinal anesthesia. The goal is to understand who is more likely to get this headache so care can be better tailored.
Jumla, KarnaliAges 18 years+ - NCT05805397Recruiting
Motivation skills training for schizophrenia or schizoaffective disorder
This study tests whether “Motivation Skills Training” can help people with schizophrenia or schizoaffective disorder. It’s for people who are stable on treatment and can participate in English-speaking sessions.
New York, New YorkAges 18–65 - NCT05809310Recruiting
Stenting branches to improve blood flow after certain heart repairs
This study looks at whether placing a small tube (stent) in a branch pulmonary artery can improve blood flow and heart function after specific childhood heart surgeries. It is meant for people who have d-TGA after ASO, or have ToF or TA, and need a branch PA intervention.
AmsterdamAges 8 years+ - NCT05810259Recruiting
Digital wellness modules to improve quality of life
This study tests whether online “wellness” lessons help people feel better in everyday life and report a higher quality of life. It likely involves completing digital wellness modules and answering questionnaires to measure changes over time.
New Haven, ConnecticutAges 18–65
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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.