Clinical trials
Control clinical trials
Below are recruiting control clinical trials, each written for real people, not researchers. We’re tracking 2,959 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05896033Recruiting
Study how menthol cigarette rules affect current menthol smokers
This study looks at how changes in menthol cigarette and e-cigarette rules may affect people who currently smoke menthol cigarettes. You may be asked to complete phone-based reports (like a diary) about your smoking patterns.
Charleston, South CarolinaAges 21 years+ - NCT05907265Recruiting
Virtual reality sessions to improve thinking after chemotherapy
This study tests whether immersive virtual reality training can improve thinking and concentration in adults who have had ongoing thinking problems after chemotherapy. It may help by using guided VR tasks that aim to support cognitive skills during recovery.
TerrassaAges 18–65 - NCT05894967Recruiting
Study on how perceptual learning works in different age groups
This study looks at what helps people improve how they perceive visual information (“perceptual learning”) and what processes are responsible. It includes younger and older adults and mainly needs good vision and no known eye or brain conditions affecting the retina or nerves.
Riverside, CaliforniaAges 18–85 - NCT05897164Recruiting
Mobile app to help teens cut back on substance use
This study tests a mobile app designed to help teens who use alcohol or drugs cut back or stop. You and your teen would use the app together and get support from the study team by text.
Baltimore, MarylandAges 13 years+ - NCT05754593Recruiting
Study ovarian reserve in women with multiple sclerosis
This study compares egg supply (“ovarian reserve”) in women with multiple sclerosis to women without MS. It may help doctors understand how MS affects reproductive health and egg supply.
BordeauxAges 25–35 - NCT05861752Recruiting
Study of sexual risk behaviors and mental health patterns
This case-control study looks at people with specific sexual behavior-related conditions (like certain paraphilias, compulsive sexual behavior, or sex during sleep) to understand factors linked with risk for sexual violence. The goal is to learn what patterns may be involved so better help and prevention strategies can be developed.
Stockholm, Stockholm CountyAges 18 years+ - NCT05868408Recruiting
Whey formula for healthy full-term infants – growth and comfort
This study tests whether a special partially-digested whey formula is as good as standard formula for healthy full-term babies. It looks at how babies grow and how well they tolerate the formula.
Cavite CityAges birth–4 weeks - NCT05875805Recruiting
Telehealth planning for future care decisions
This trial tests a telehealth (video or phone) program that helps people with certain blood cancers plan their future care preferences. It may help you and your chosen support person communicate your wishes clearly, especially if you become too sick to speak for yourself.
Rochester, New YorkAges 60 years+ - NCT05873413Recruiting
Study of drinking motivations and attitudes in young adults
This study asks young adults about why they drink alcohol and what they think about drinking. It may help researchers better understand heavy drinking patterns and how to design better support.
Lincoln, NebraskaAges 18–25 - NCT05851859Recruiting
Breathing training for long COVID symptoms
This study tests whether a structured breathing control technique can improve symptoms of long COVID. It may help by training how you breathe, but you must meet specific health and medication criteria to join.
Saint-DenisAges 18 years+ - NCT04842162RecruitingPhase 2
Near-infrared dye imaging to help remove all mouth/throat cancer
This Phase 2 study tests a special camera and dye during surgery to help surgeons confirm they removed all cancer at the edge of the removed tissue. If it works, it may lower the chance of cancer being left behind after oral cavity or oropharynx squamous cell cancer surgery.
AnderlechtAges 18 years+ - NCT05023785Recruiting
Lifestyle program for cancer survivors with early heart strain
This trial tests a structured lifestyle and exercise change program for young people who finished cancer treatment and have signs of early heart weakness. The goal is to improve heart health and lower the chance of heart failure later.
Toronto, OntarioAges 18–45 - NCT05832086RecruitingPhase 2
Fasting-mimicking diet to improve prostate cancer and metabolism
This trial tests whether an intermittent, fasting-like diet can help control metastatic prostate cancer and improve metabolic health in men on hormone therapy. Participants follow a specific diet plan and are monitored by the study team.
Duarte, CaliforniaAges Any age - NCT05825040Recruiting
Testing an online mental health program for anxiety and depression
This trial tests an “online” mental health approach to help people with moderate to severe anxiety and/or depression. If you qualify, you may be invited to use the program and share feedback as part of a study.
Shatin, N.T.Ages 17 years+ - NCT05814510Recruiting
Help deliver an asthma program in schools and homes
This study tests an asthma education and management program for children, involving caregivers at home and staff at participating schools. You may be able to help by taking part in the program and supporting asthma care at home or school.
Baltimore, MarylandAges Any age - NCT05831696Recruiting
Compare walking effort with two types of prosthetic knees
This trial studies how much energy it takes to walk when using passive versus powered prosthetic knees. It may help people understand which knee type could make walking feel easier depending on their needs.
Loma Linda, CaliforniaAges 18–75 - NCT05819268Recruiting
Mind and body program by telehealth for functional seizures
This trial tests whether a “retraining and control” mind-body program delivered online can help reduce symptoms of functional seizures in teens. It’s mainly a feasibility study, meaning it checks if the program can be done safely and in a way that works for families.
Birmingham, AlabamaAges 11–18 - NCT05812339Enrolling by invitation
Mapping tests for stomach symptoms using body-surface sensors
This study checks whether a noninvasive “mapping” test placed on the belly and chest can help tell apart people with certain upper stomach symptoms from healthy controls. It may help researchers better understand stomach function and symptoms without relying only on invasive tests.
Calgary, AlbertaAges 18 years+ - NCT04735458Recruiting
Brain network study for Parkinson’s or essential tremor
This study looks at how “inhibitory control” brain networks work in people with Parkinson’s disease or essential tremor. If you are eligible for surgery and can do the study tasks, your results may help researchers better understand movement disorders and guide future treatments.
Birmingham, AlabamaAges 18 years+ - NCT05807594Recruiting
Online program to help manage weight gain during pregnancy
This trial tests an at-home (online) coaching program to help pregnant people gain weight at a healthier rate. It may help you stay on track during pregnancy and understand what changes work best for you.
University Park, PennsylvaniaAges 18–45 - NCT05806801Recruiting
Study how weight loss changes the body with or without exercise
This study looks at how your metabolism (how your body uses energy and controls blood sugar/fats) changes during weight loss, comparing weight loss alone versus weight loss plus exercise. It may help researchers understand what body changes happen with different approaches and why.
Ann Arbor, MichiganAges 18–40 - NCT05793944Recruiting
Text-message program to support healthy habits during pregnancy
This study tests whether a free text-message coaching program can help pregnant people choose healthier behaviors during pregnancy. You may be invited to answer online surveys if you match the pregnancy timing and location rules.
Vancouver, British ColumbiaAges 15 years+ - NCT05785000Recruiting
Rehab program for long-lasting concussion symptoms
This trial tests a rehabilitation approach for people with post-concussion syndrome (ongoing symptoms after a mild head injury). It may help by guiding safer, structured recovery—especially through exercise—if it fits your situation and you can participate.
Copenhagen, Region of Greater CopenhagenAges 18–70 - NCT05780814Recruiting
Treating insomnia to improve weight loss after breast cancer
This study looks at whether improving insomnia (trouble falling asleep or staying asleep) can help survivors of breast cancer lose weight more successfully through a structured behavioral weight loss program. It may help if sleep problems are making it harder to change eating and activity habits.
Washington D.C., District of ColumbiaAges 18 years+
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Common questions
- Are there clinical trials for control?
- Yes. Clin2 currently lists 2,959 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.