Clinical trials
Effectiveness clinical trials
Below are recruiting effectiveness clinical trials, each written for real people, not researchers. We’re tracking 6,378 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05766553Recruiting
Virtual reality mindfulness to reduce cigarette cravings
This trial tests whether guided mindfulness meditation in virtual reality can lower cigarette cravings and help people quit smoking. It may help by reducing urges to smoke during stressful moments.
IteuilAges 18–75 - NCT05754073RecruitingPhase 2
Oxytocin to improve bone health in children with autism
This Phase 2 study tests whether oxytocin can help improve bone health in children and teens with autism spectrum disorder. It also checks safety by monitoring symptoms and doing blood tests and imaging.
Boston, MassachusettsAges 6–18 - NCT05765656Recruiting
Doctors and pharmacists helping older adults reduce sleeping pills
This study will see if working closely with your doctor and pharmacist can help older adults safely reduce or stop taking medications for anxiety or sleep, like benzodiazepines.
NantesAges 65 years+ - NCT05759065Recruiting
Behavioral insomnia treatment for adults with limited resources
This study tests behavioral (non-medication) treatments to help adults with insomnia who have socioeconomic disadvantages access better care through primary care clinics. You may be asked about sleep symptoms, mental health, substance use, and daily schedule to see if the treatment is safe and likely to help you.
Boston, MassachusettsAges 18 years+ - NCT05763732Recruiting
Testing how brain stimulation affects walking in Parkinson’s
This trial looks at how turning on and using a specific Parkinson’s brain stimulator affects your walking. It may help doctors understand what changes in gait (walking) can happen with this device and settings.
Baltimore, MarylandAges 18–89 - NCT05746143RecruitingPhase 4
Zolpidem during recovery after lower-back fusion surgery
This trial studies whether taking zolpidem around the time of recovery from lower-back (lumbar) fusion surgery affects outcomes. It may help doctors understand how sleep medicine can (or can’t) support recovery in certain people.
Los Angeles, CaliforniaAges 18–75 - NCT05766891RecruitingPhase 2/Phase 3
Hypnosis to reduce pain medication during breast cancer surgery
This trial tests whether talking with a nurse and using hypnosis before surgery can reduce the need for pain medicine during and after surgery. It aims to help you recover with less pain and fewer side effects from opioids.
Houston, TexasAges 18 years+ - NCT05758662Recruiting
PET-CT and heart ultrasound study valve changes after TAVI
This study looks at whether certain valve blood clots (called “subclinical leaflet thrombosis”) and different valve types are linked to valve aging over time. It uses a special PET-CT scan and an echocardiogram to measure changes in the heart valve about five years after TAVI.
CopenhagenAges 18 years+ - NCT05751434RecruitingPhase 2
Exercise therapy for prostate cancer patients on active surveillance
This trial tests whether an exercise program can help men with early-stage prostate cancer who are being monitored instead of treated. If you are not very active now, you may be able to join a structured exercise plan to see if it improves your health and cancer signs.
Durate, CaliforniaAges 18 years+ - NCT05776420RecruitingPhase 3
Healthy food vouchers to improve blood sugar control
This trial tests whether giving people a healthy food voucher helps lower blood sugar levels in people who have prediabetes or type 2 diabetes. It also aims to support people who struggle with food or money by improving access to healthier foods.
TorontoAges 19 years+ - NCT05777486Recruiting
Study on how TikTok food posts affect kids’ thinking
This study looks at whether food ads posted on TikTok by influencers change what children eat and how they think. It mainly involves U.S. children ages 10–13 who use TikTok often and can read and speak English.
New York, New YorkAges 10–13 - NCT05774548Recruiting
Study of PrEP use and its cost in HIV prevention
This study looks at how taking PrEP (medicine to prevent HIV) affects HIV prevention and how much it costs in real life. You may be able to join if you are HIV-negative and are interested in starting, currently using, or have used PrEP before.
Bangkok, BangkapiAges 18 years+ - NCT05773482Recruiting
Breathing and attention training for fibromyalgia pain
This study tests whether breathing and attention exercises can change how your body controls pain in people with fibromyalgia. It may help you learn non-medication ways to influence pain signals and improve comfort.
Gainesville, FloridaAges 18–70 - NCT04844528RecruitingPhase 2
Nicotinamide for CLL patients with recent skin cancer history
This Phase 2 trial tests whether nicotinamide (a form of vitamin B3) can help people with chronic lymphocytic leukemia (CLL) who have had non-melanoma skin cancers in the past 5 years. The study looks at how well new skin cancers can be prevented or reduced.
Salt Lake City, UtahAges 18 years+ - NCT05745389Recruiting
Alopecia areata registry to track treatment safety and results
This registry collects information from adults with alopecia areata who are starting or taking certain approved medications. It helps researchers understand how well these treatments work and how safe they are in real-world care.
Waltham, MassachusettsAges 18 years+ - NCT05726890Recruiting
Behavior programs to improve infants’ sleep routines
This study tests two behavioral parent-training approaches to help babies with early sleep problems learn to fall asleep and stay asleep with less help. It may help families who want the baby to sleep more independently.
BeershebaAges 9 months–1.5 years - NCT05744310Recruiting
Long-term ventilation support and quality of life in ALS
This study looks at how long-term breathing support (a ventilation device used over time) affects quality of life for people with ALS and their families. It also asks family members and children about day-to-day well-being during this treatment period.
Bodø, NordlandAges 8 years+ - NCT05723653Recruiting
Cell phone social support for people not in HIV care
This study tests a social support intervention delivered through a “support person” (a confidant) to help people stay engaged in HIV care and improve viral suppression. It may help by strengthening support outside of clinic visits and making care easier to follow.
Birmingham, AlabamaAges 18–49 - NCT05737732Recruiting
Testing ambient light for multiple myeloma patients
This study looks at whether using a special kind of everyday light (called ambient light) can help people with multiple myeloma as they prepare for their first stem cell transplant. It may be aiming to improve comfort or recovery by affecting sleep and the body’s natural signals from light.
New York, New YorkAges 21 years+ - NCT05722873Recruiting
Study intermittent fasting and its effects on metabolism
This study looks at how intermittent fasting affects your body's “metabolism” (how you use food and manage blood sugar/fats). It may help researchers understand whether this eating pattern changes metabolic health in people at higher risk for type 2 diabetes.
Pittsburgh, PennsylvaniaAges 21–45 - NCT05720065RecruitingPhase 2
Testing botulinum toxin A for jaw muscle pain
This trial studies whether botulinum toxin A (a type of muscle-relaxing medicine) can reduce jaw muscle pain and help explain why it happens. It focuses on people with specific jaw muscle pain patterns and tests outcomes after injection/biopsy.
Huddinge, Stockholm CountyAges 20–45 - NCT05719220Recruiting
Group pelvic floor training before HoLEP surgery
This trial tests whether group pelvic floor exercises done before HoLEP surgery can improve recovery and urinary symptoms in men with an enlarged prostate. It may help some people feel better sooner by strengthening the muscles that control urination.
San Francisco, CaliforniaAges 50–90 - NCT05711849RecruitingPhase 2
Stem cell treatment for long-lasting chest pain not helped by meds
This Phase 2 trial tests whether stem cells placed into the heart artery can safely reduce symptoms in people with “refractory” angina (chest pain) despite maximum heart-healthy medication. You may qualify if your chest pain is limiting your activity and other heart procedures (stents/bypass) aren’t possible or are too risky.
London, EnglandAges 18 years+ - NCT05722002RecruitingPhase 4
Compare pain-med plans after low-risk surgery
This study tests which pain-medication plan works best and has the fewest side effects after certain low-risk surgeries. You may be assigned to receive opioid-based, NSAID-based, or acetaminophen-based pain control depending on your situation.
Ann Arbor, MichiganAges 18 years+
Hear when a new Effectiveness trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for effectiveness?
- Yes. Clin2 currently lists 6,378 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.