Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,955 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07699393RecruitingPhase 2
Choline supplement study for healthy pregnancies
This trial tests whether taking extra choline (a nutrient similar to B vitamins) during pregnancy can improve health for mothers and babies. You may be eligible if you are early in a singleton pregnancy and do not drink alcohol.
Cape TownAges 18–45 - NCT06508710RecruitingPhase 3
Ketamine plus venlafaxine for severe depression
This trial tests whether adding ketamine to the antidepressant venlafaxine helps relieve severe depression faster than venlafaxine alone. If you are hospitalized for a serious depression and you meet safety criteria, you may be eligible.
Le Kremlin-Bicêtre, FranceAges 18–65 - NCT06715748RecruitingPhase 4
Ketone drink study for cyclists after hard exercise
This study tests if taking a ketone drink before intense cycling helps your heart recover faster afterwards. It's for healthy recreational cyclists who are very fit for their age and sex.
Hasselt, LimburgAges 18–50 - NCT07262645RecruitingPhase 3
Light therapy for mild to moderate Alzheimer's disease
This study tests a near-infrared light therapy device for people with mild to moderate Alzheimer's disease. It may help with memory and thinking by using light on the head, a non-invasive approach.
Beijing, Beijing MunicipalityAges 50–85 - NCT07254403Recruiting
Beef vs. plant protein for muscle health in older adults
This study compares how well beef protein and plant protein help build muscle in older adults who may be starting to feel weak or lose muscle. You'll eat test meals and have your muscle response measured using a safe, stable isotope technique.
College Station, TexasAges 65–95 - NCT07181486RecruitingPhase 1
Safety study of a vaginal gel for healthy women
This trial tests a gel placed in the vagina to see if it is safe. Healthy women with regular periods who have a steady partner may join.
San Francisco, CaliforniaAges 18–45 - NCT06986993RecruitingPhase 4
Semaglutide for smoking and weight in people with obesity
This study tests whether the medication semaglutide (similar to Ozempic/Wegovy) can help people who smoke and have obesity cut down on cigarettes, even if they aren't ready to quit. Participants will receive the drug and be monitored for changes in smoking habits and health.
Oklahoma City, OklahomaAges 18–65 - NCT06719180RecruitingPhase 4
Pain relief after a hysterectomy
This study tests if numbing the top of the vagina (vaginal cuff) with a local anesthetic can reduce the need for pain medicine after a hysterectomy done by laparoscopy (small cuts in the belly). If you are having this surgery for a non-cancerous condition or cancer, you may be able to join.
Flushing, New YorkAges 18 years+ - NCT06391957Recruiting
Spirulina for recovery after hard exercise
This trial tests if taking a spirulina supplement helps your muscles recover faster after a tough workout. You might join if you are healthy, exercise regularly, and don't do formal weightlifting.
ExeterAges 18–40 - NCT07673107RecruitingPhase 2
Botulinum toxin injection for essential tremor of hands and arms
This trial tests an investigational botulinum toxin injection (AGN-151607-DP) to reduce shaking in the hands and arms caused by essential tremor. It is for adults who have been diagnosed with this condition and who do not have certain nerve or muscle disorders.
Fresno, CaliforniaAges 18–85 - NCT06686693RecruitingPhase 4
IV iron and exercise at high altitude
This study tests whether giving iron through a vein helps you perform better at high altitude. It may help you if you are a healthy adult who exercises regularly.
Natick, MassachusettsAges 18–40 - NCT07667803RecruitingPhase 3
Study of elecoglipron for weight loss in obesity or overweight
This trial tests an investigational drug called elecoglipron to see if it helps people with obesity or overweight lose weight. It may be an option if you have a high body mass index or weight-related health issues like high blood pressure or prediabetes.
Birmingham, AlabamaAges 18 years+ - NCT07666815RecruitingPhase 1/Phase 2
Exercise and creatine during dialysis for kidney disease
This trial tests if doing exercise while on dialysis and taking creatine can help people with chronic kidney disease. It aims to find a safe and effective way to improve health during treatment.
Colima, ColiimaAges 18 years+ - NCT07659236Recruiting
Plasma-activated water for fibromyalgia pain
This study tests whether a special water called 'plasma-activated water' can help reduce pain in people with fibromyalgia. If you have widespread pain for at least 3 months and meet the age and health requirements, you may be able to join.
TaipeiAges 20–75 - NCT07048262RecruitingPhase 2
Study of an inhaled drug for adults with non-CF bronchiectasis
This trial tests an inhaled medication called CSL787 to see if it can help people with non-cystic fibrosis bronchiectasis (a lung condition that causes frequent infections and breathing problems). The study looks at different doses and checks how well the drug works and if it is safe.
QueenslandAges 18–85 - NCT07660341RecruitingPhase 1
Study of CGB3002 in healthy volunteers
This trial tests a new drug, CGB3002, to see how safe it is and how the body processes it. Healthy volunteers are needed to help determine the right dose and check for side effects.
Melbourne, VictoriaAges 18–55 - NCT07024238Enrolling by invitation
Short-chain fatty acid supplement for kidney transplant patients
This study tests whether taking a short-chain fatty acid (a type of fiber-like substance) supplement can improve gut health in people who have had a kidney transplant. It may help keep the transplant working well.
Martin, SlovakiaAges 18 years+ - NCT07464886RecruitingPhase 3
NAC and mindfulness therapy for depression in youth
This study tests whether a supplement called N-acetylcysteine (NAC) combined with a type of therapy called Mindfulness-Based Cognitive Therapy (MBCT) can help improve depression in teenagers and young adults. It looks at how these treatments affect brain chemicals and may reduce symptoms.
Cincinnati, OhioAges 15–24 - NCT07224581RecruitingPhase 3
Study of a new drug for GRIN-related developmental disorder
This trial tests a new drug for children with GRIN-related neurodevelopmental disorder caused by certain gene changes. The drug aims to improve seizures and other symptoms.
Los Angeles, CaliforniaAges 1 month–18 years - NCT07017023RecruitingEarly Phase 1
Blood pressure meds and activity scheduling for low mood
This study tests if taking a blood pressure medication (losartan) combined with a simple scheduling of pleasant activities can help improve low mood. It aims to see if these treatments work better together.
Oxford, OxfordshireAges 18–65 - NCT06641414RecruitingPhase 3
Lisaftoclax and azacytidine for higher-risk MDS
This trial tests a new drug, lisaftoclax, combined with azacytidine for people newly diagnosed with higher-risk myelodysplastic syndrome (MDS). The goal is to see if this combination can help control the disease better.
Houston, TexasAges 18 years+ - NCT07488949Recruiting
Doxycycline and progestin for chronic endometritis in recurrent pregnancy loss
This trial tests whether combining an antibiotic (doxycycline) with a hormone treatment (progestin) can help people with chronic endometritis—a type of uterine inflammation—who have had repeated miscarriages or failed IVF cycles. The goal is to improve the chance of a successful pregnancy.
Lanzhou, GansuAges 20–45 - NCT06456528RecruitingPhase 2/Phase 3
Study of QL0911 for low platelets caused by chemo
This trial tests a new drug called QL0911 to help raise platelet counts in people with cancer whose chemo has caused low platelets. The goal is to see if it can prevent delays in treatment.
HarbinAges 18–75 - NCT07161726RecruitingPhase 1/Phase 2
Cocoa and exercise for older adults
This trial tests whether eating cocoa can boost the benefits of a supervised exercise program for older adults who walk a bit more slowly. You could help find out if this natural product makes exercise work better.
Birmingham, AlabamaAges 55 years+
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,955 recruiting placebo - 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 placebo - 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 placebo - 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.