Clinical trials
Effectiveness clinical trials
Below are recruiting effectiveness clinical trials, each written for real people, not researchers. We’re tracking 6,374 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06809166RecruitingPhase 4
Contrave for weight loss in adults with obesity
This study tests whether a weight loss medication called Contrave can help adults with obesity lose weight by changing how their body uses energy and handles food. If you qualify, you will take Contrave and be monitored for several months.
Ottawa, OntarioAges 18–64 - NCT06810232Enrolling by invitation
Health factors and longer hospital stay after endoscopy
This study looks at how general health factors (like age and other medical conditions) might affect how long you need to stay in the hospital after a routine stomach or bowel exam called an endoscopy. The goal is to understand which patients may need extra care so hospitals can plan better.
IstanbulAges 18 years+ - NCT06812507Recruiting
Umbilical cord blood transfer in very premature babies
This trial tests different ways of transferring blood from the umbilical cord to very premature babies (born at or before 32 weeks) to see if it can prevent complications of prematurity and improve their blood counts. It aims to find the best method for helping these vulnerable newborns.
AlexandriaAges 1 minute–2 minutes - NCT06810297Enrolling by invitation
Exercise and education for endometriosis
This study tests whether a program of gentle exercise and education can improve sexual function and overall experience for people with endometriosis. It may help you feel better physically and emotionally.
ValenciaAges 18–50 - NCT06811324RecruitingPhase 2
Tirzepatide for muscle and vessel health in older adults
This study tests if the drug tirzepatide can improve muscle and blood vessel health in older adults with obesity. You may be eligible if you are 50 or older, have a BMI between 30 and 40, and do not have diabetes.
San Antonio, TexasAges 50 years+ - NCT06810570Recruiting
How mobile devices affect young children's health
This study looks at how using mobile devices like phones and tablets affects young children’s growth and health. It may help families understand how screen time impacts development.
SheffieldAges 3–4 - NCT06808516RecruitingPhase 2
Can oxytocin spray improve sex life in people with AVP deficiency?
This study tests whether a nasal spray containing oxytocin can improve sexual well-being in people with a condition called arginine vasopressin deficiency (a problem with a hormone that controls water balance). Healthy volunteers who have mild sexual issues will also take part for comparison. Participants receive either the oxytocin spray or a placebo and fill out questionnaires about their sex life.
BaselAges 18 years+ - NCT06806176Recruiting
Study of CAT-GSH for returning patients
This trial is checking if a version of CBT-GSH (Cognitive Behavioral Therapy Guided Self-Help) works well for people who've had it before and are coming back for help with anxiety or depression. You'd get the same kind of low-intensity support again.
Ashton-under-LyneAges 16 years+ - NCT06808386Enrolling by invitation
How often should you train for knee pain relief?
This study looks at how different training frequencies affect knee pain recovery. It may help active adults who have had front knee pain for at least three months.
São Paulo, São PauloAges 18–40 - NCT06806267Recruiting
VR therapy with brain stimulation for PTSD in Ukrainians
This study tests if combining virtual reality therapy with a gentle brain stimulation technique (tDCS) can help treat PTSD symptoms in Ukrainian veterans and civilians. It may offer a new way to process traumatic memories.
BerlinAges 18–75 - NCT05755672Recruiting
Study biomarkers during curative-intent treatment for metastatic colon cancer
This study looks at biological markers (substances measured in the body) during treatment for metastatic colorectal cancer. It may help doctors better understand how treatment works, using patients who are treated with a goal of cure.
Lund, Skåne CountyAges 18–110 - NCT06797531Recruiting
Ribociclib Real-World Study in Early Breast Cancer
This study observes people with early-stage hormone receptor positive, HER2-negative breast cancer who are taking ribociclib (Kisqali) with hormone therapy after surgery. It aims to see how well the treatment works and how safe it is in real life.
RiyadhAges 18–99 - NCT06801886Enrolling by invitationPhase 3
Silymarin for better kidney transplant success
This trial tests if adding silymarin (a milk thistle extract) to standard anti-rejection medicines helps protect the new kidney from damage. It may improve how well the transplanted kidney works over time.
MartinAges Any age - NCT06800833Recruiting
Mango or cookie study for gut, mental, sexual, and skin health
This study is testing whether eating mangoes or low-fat cookies every day for 4 weeks can improve your gut health, and in turn affect your mood, sex life, and skin. If you are generally healthy, not pregnant, and not taking certain medications or supplements, you may be able to join.
San Diego, CaliforniaAges 18–50 - NCT06799507Recruiting
Mindfulness program for women with infertility
This trial tests whether a mindfulness-based support program can help women going through IVF. If you have primary infertility (never been pregnant) and are about to start IVF, this program might reduce stress and improve your well-being.
Izmir, İzmirAges 18–45 - NCT06793800Recruiting
Ear nerve stimulation to improve breathing after stroke
This study tests whether a gentle nerve stimulation device placed on your ear can improve your breathing after a stroke. It's for people who had a first stroke 1 to 3 years ago and are otherwise generally healthy (no heart, lung, or ear problems).
IstanbulAges 40–80 - NCT06798987Enrolling by invitation
Weather and pollution impact on emergency calls in Zhejiang
This study looks at data from the Zhejiang Emergency Command Center to see how weather and pollution affect the number of emergency calls. It aims to find out which people and health conditions are most sensitive to these factors.
HangzhouAges Any age - NCT06797752Recruiting
Stellate ganglion block and retina blood flow study
This trial looks at how a nerve block (stellate ganglion block) affects blood flow in the retina. It may help people who already get this block for conditions like complex regional pain syndrome understand eye effects.
Dallas, TexasAges 18 years+ - NCT06802172Recruiting
Timing meals during cancer treatment for Alaska Native patients
This study tests whether scheduling meals at specific times of day can improve how patients feel during cancer treatment. It is for Alaska Native or American Indian people with certain cancers (rectal, HER2+ or triple negative breast, or other solid tumors) who are receiving neoadjuvant (before surgery) or adjuvant (after surgery) therapy.
Anchorage, AlaskaAges 21 years+ - NCT06792864Enrolling by invitationPhase 3
3D bone graft for skull repair after surgery
This trial tests a special 3D bone graft material to repair skull defects after brain surgery. It may help people who need a strong, custom-fit implant to protect their brain.
ValdiviaAges 18–70 - NCT06802120Recruiting
Osteopathic care after lower back surgery
This trial tests whether osteopathic treatments can help reduce pain and improve daily life after spinal fusion surgery. It is for people who still have ongoing mechanical back pain four weeks after surgery.
ParisAges 18–75 - NCT06800846Enrolling by invitationPhase 4
Pain relief after knee replacement: injection methods compared
This study compares two ways to give pain medicine during knee replacement surgery: one is injected into the bone, the other around the joint. Researchers want to see which works better and may help you recover with less pain.
Khlong Luang, Changwat Pathum ThaniAges 50–80 - NCT06800872Recruiting
Vibration therapy for weight loss in teens
This trial tests if whole body vibration can help teenagers with obesity burn more energy while staying in a hospital program. It may offer an extra tool to support weight management.
Oggebbio, VerbaniaAges 13–18 - NCT06792760Enrolling by invitation
Body awareness training for movement disorders
This trial tests if adding body awareness (interoceptive) training to standard physical therapy helps people with functional movement disorders. It may improve how you sense and control your body.
Prague, Czech RepublicAges 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 6,374 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.