Clinical trials
Control clinical trials
Below are recruiting control clinical trials, each written for real people, not researchers. We’re tracking 3,039 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04427241RecruitingPhase 4
Testing Cerebrolysin for prolonged brain injury after bleeding stroke
This study tests whether Cerebrolysin can improve recovery in people who remain in a vegetative or minimally conscious state more than 4 weeks after a bleeding stroke. It also tracks safety, to make sure the treatment is not causing harmful side effects.
SeoulAges 19–120 - NCT04428658Recruiting
Telehealth coaching for kids to improve blood sugar control
This trial tests whether extra diabetes coaching delivered through online video and online messages can lower blood sugar levels in children with type 1 diabetes. It may help your child improve diabetes control by combining real-time and non-real-time support.
Sacramento, CaliforniaAges 5–18 - NCT04442451Recruiting
Study how fatigue happens in prediabetes and type 2 diabetes
This study looks at why people with prediabetes or type 2 diabetes may feel unusually tired during activities. You may be asked to do exercise testing and answer questions to help researchers understand the body changes behind fatigue.
Ann Arbor, MichiganAges 30–85 - NCT04448028RecruitingPhase 4
Stopping acid pills in liver cirrhosis: test placebo effect
This study tests whether stopping proton-pump inhibitor (PPI) acid-reducing medication is safe and works as expected for people with liver cirrhosis. Participants switch to either the study medication or a placebo (inactive pill) under close monitoring.
Hamburg, Free and Hanseatic City of HamburgAges 18 years+ - NCT04472702Recruiting
Ultrasound vs X-ray guidance for knee pain ablation
This trial compares two ways (ultrasound or X-ray guidance) to place a treatment for painful knee arthritis. It aims to see whether one guidance method works as well as the other for reducing knee pain.
Sacramento, CaliforniaAges 35–99 - NCT04494074Recruiting
Cooling fever in ventilated people with septic shock
This study tests whether external cooling can safely lower very high fever in people who are on a breathing machine for septic shock. It may help improve outcomes by controlling fever while they are treated for the infection causing their illness.
AmiensAges 18 years+ - NCT04504006Recruiting
Tracking surgery choices for lymph node spread in endometrial cancer
This is an observational study that follows people with endometrial cancer who have had surgery to check and remove pelvic (and sometimes paraaortic) lymph nodes. It looks at how different surgical approaches and any added treatment affect local control (keeping cancer from coming back in the pelvis/nearby areas).
Essen, North Rhine-WestphaliaAges 18 years+ - NCT04514445Recruiting
Study of genes in people with bicuspid aortic valve
This study looks for genetic (inherited) differences that may be linked to bicuspid aortic valve (BAV). It includes people with BAV and close family members to help understand why BAV happens and whether genes play a role.
KetteringAges 10–99 - NCT04529031Recruiting
Study of reminder-based positive thinking for teens with PTSD
This study looks at whether a “reminder-focused positive thinking” approach can help teens with PTSD. It may benefit you by testing how certain cues and supportive thoughts affect PTSD symptoms and related wellbeing.
Los Angeles, CaliforniaAges 11–15 - NCT04537936Recruiting
Spanish psychotherapy support for Latino adults with advanced cancer
This study tests a Spanish-language psychotherapy approach to help Latino adults with stage III or IV solid tumors (advanced cancer). It aims to see how well the therapy reduces distress and how patients and clinicians feel about it.
New York, New YorkAges 18 years+ - NCT04567030Recruiting
AI tool to help improve gum treatment outcomes
This trial tests whether an artificial intelligence (AI) system can help plan and improve results of gum (periodontal) treatment. You may be a good match if you have diagnosed periodontal disease and enough healthy teeth.
Kaohsiung CityAges 35–65 - NCT04583514Recruiting
Overfeeding study to see how body fat can expand
This trial studies how your body’s fat tissue changes when you eat extra food for 8 weeks. It may help researchers understand why some people gain more weight than others.
Baton Rouge, LouisianaAges 18–42 - NCT04584333Recruiting
Dentist care for alcohol-related mouth changes
This trial looks at whether a dentist-led approach can help control ongoing mouth conditions linked with heavy alcohol use. It focuses on adults with long-lasting mouth patches diagnosed by biopsy as oral lichen planus or oral leukoplakia.
Santiago de Compostela, A CoruñaAges 40 years+ - NCT04588285RecruitingPhase 2
Ambroxol for new and early dementia with Lewy bodies
This trial tests whether ambroxol (a mouth medicine) can help people with new or early dementia with Lewy bodies (DLB) or mild cognitive impairment linked to DLB. Participants take the medicine for about 18 months while the study tracks safety and changes over time.
Haugesund, HaugesundAges 50–85 - NCT04607096Recruiting
Intermittent fasting to improve insulin in prediabetes or early type 2
This study tests whether intermittent fasting can improve how your body releases and uses insulin if you have prediabetes or early type 2 diabetes. It may help your blood sugar control without using insulin.
BerlinAges 18–70 - NCT04611113Recruiting
Nutrition support to help tolerance of cancer chemoradiotherapy
This trial studies whether adding special nutrition support (“immunonutrition”) can help people with head-and-neck cancer tolerate treatment with chemoradiotherapy, and possibly improve comfort and treatment completion. You may be eligible if you are starting or will have curative or extra (adjuvant) chemoradiotherapy and can complete study measurements.
PaviaAges 18 years+ - NCT04610697Recruiting
Cognitive training for people in forensic mental health care
This trial studies whether a structured “cognitive remediation” program (training thinking skills) can help people receiving care on a forensic treatment unit. It may benefit those who want support improving attention, memory, or problem-solving as part of their treatment.
Ottawa, OntarioAges 18–55 - NCT04647292RecruitingPhase 2
Intensive blood pressure lowering after stroke
This Phase 2 study tests whether aiming for a lower blood pressure targets after a stroke reduces the risk of future problems. You may be asked to measure your blood pressure at home and follow the study’s treatment plan.
DublinAges 40 years+ - NCT04653064Recruiting
Brain imaging study of how people feel heat and pain
This study uses MRI scans to understand how your brain responds to different feelings, including mild heat pain. It may help researchers learn more about pain and brain processing by comparing your responses during the tests.
Hanover, New HampshireAges 18 years+ - NCT04662905Recruiting
Testing a closed-loop spinal cord stimulator for chronic pain
This study tests a new way to deliver spinal cord stimulation for chronic pain using a system that adjusts automatically based on what your body is doing. You may be able to join if you’re using the Evoke system as part of the approved treatment plan.
Garran, Australian Capital TerritoryAges 18 years+ - NCT04664686Recruiting
Compare two heart-rhythm strategies after CRT for atrial fibrillation
This study looks at whether a “rate control” or “rhythm control” approach works better for people with CRT devices who still have atrial fibrillation. It aims to improve heart failure symptoms and help the heart pace more effectively.
LondonAges 18–85 - NCT04669873Recruiting
Partial breast radiation vs whole breast radiation after lumpectomy
This trial studies whether treating only part of the breast with radiation works as well as treating the whole breast in people with early breast cancer after lumpectomy. It may help reduce radiation exposure to healthy tissue, while still controlling the cancer.
São Paulo, São PauloAges 50–90 - NCT04687956Recruiting
Preventing arm swelling after breast cancer lymph node surgery
This study looks at ways to prevent arm swelling (lymphedema) related to breast cancer after surgery to remove lymph nodes. It may help people who are getting axillary lymph node dissection lower the chance of long-term swelling.
SeoulAges 19 years+ - NCT04697966Recruiting
Smartphone mindfulness program for teens and what predicts improvement
This study tests an app-based mindfulness training program for adolescents ages 13–18 and looks at what helps predict which teens improve. It may be helpful if you’re looking for a structured mindfulness practice and want to understand what changes in your thinking and feelings over time.
Belmont, MassachusettsAges 13–18
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Common questions
- Are there clinical trials for control?
- Yes. Clin2 currently lists 3,039 recruiting control 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 control 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 control 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.