Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,902 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07872943RecruitingPhase 4
Chinese herbal tablets for frequent tension-type headache
This study tests whether a Chinese herbal tablet called Zhixuan Analgesic can reduce headache frequency in adults with frequent tension-type headaches. Participants will take the tablets for a period and track their headache days.
Wuhan, HubeiAges 18–60 - NCT05049057RecruitingPhase 2
Testing a nerve-blocking shot for recent mild TBI
This Phase 2 study tests a medication that blocks a pain signal (a CGRP receptor antibody) in people who recently had a mild traumatic brain injury (mTBI) and are also dealing with post-traumatic headache (PTH). The goal is to see if it can reduce symptoms and improve recovery after the injury.
Fort Bragg, North CarolinaAges 18–50 - NCT07861685Recruiting
Recovery aid after severe preeclampsia
This study tests whether a medicine called furosemide (a water pill) helps women recover faster after giving birth with severe preeclampsia. If you join, you'll take the medicine or a placebo to see if it improves your recovery.
Peshawar, Khyber PakhtunkhwaAges 18–45 - NCT07865377Recruiting
Resveratrol supplement for heart disease in postmenopausal women
This study tests whether a supplement called resveratrol can positively affect estrogen-related markers in postmenopausal women with stable coronary artery disease. It may help understand how this supplement could support heart health.
São Paulo, São PauloAges 45–70 - NCT05325580RecruitingPhase 3
IV magnesium vs placebo for sudden non-injury headaches
This trial tests whether giving magnesium sulfate through a vein in the emergency room can reduce sudden (non-injury) acute headaches compared with a placebo. It may help people whose headache comes on suddenly and is not caused by an injury.
MonastirAges 18–85 - NCT06177041RecruitingPhase 3
M108 plus chemo for CLDN18.2-positive stomach cancer
This trial tests a new drug (M108) combined with standard chemotherapy (CAPOX) as a first treatment for people with advanced stomach or gastroesophageal junction cancer that has a specific protein called Claudin 18.2. The goal is to see if adding M108 helps improve outcomes compared to chemotherapy alone.
Beijing, Beijing MunicipalityAges 18–75 - NCT06222749Recruiting
Oxytocin and Brain Reward in Women
This study looks at how a hormone called oxytocin affects the brain's reward system in women. If you are a healthy woman with a natural menstrual cycle or on birth control pills, you may be able to join and help researchers understand how oxytocin influences emotions and motivation.
Tübingen, Baden-WurttembergAges 18–40 - NCT07853664RecruitingPhase 2/Phase 3
Dexamethasone and diclofenac gel for facial surgery pain
This study tests a gel containing two pain and swelling medicines applied to the skin after facial surgery or facial injury repair. The goal is to see if it provides better pain relief and less swelling than usual care.
DhamarAges Any age - NCT06091085RecruitingPhase 1/Phase 2
Acetazolamide for sleep apnea in untreated patients
This study tests a medicine called acetazolamide to see if it can improve how your brain controls breathing during sleep apnea. If you have sleep apnea and are not using treatment, you might be able to join.
Boston, MassachusettsAges 21–80 - NCT06970470Recruiting
Back brace study for older adults with stooped posture
This study tests whether wearing a back brace can improve mobility in older adults with a stooped posture (hyperkyphosis). It may help participants walk better and maintain independence.
Porto Alegre, Rio Grande do SulAges 60 years+ - NCT05116475RecruitingPhase 3
New prostate cancer trial adding darolutamide to standard treatment
This Phase 3 trial tests whether adding darolutamide to standard hormone therapy and radiation works better than standard treatment alone for newly diagnosed prostate cancer that has spread to pelvic lymph nodes. If you qualify, you may receive darolutamide or a placebo alongside long-term hormone therapy and radiation.
Chambray-lès-ToursAges 18–120 - NCT06095765RecruitingPhase 3
Colchicine for heart disease after stent placement
This trial tests if colchicine, a common anti-inflammatory medicine, can help prevent future heart problems in people who have coronary artery disease and recently had a stent placed. It's for adults with at least one extra risk factor like diabetes, smoking, or high blood pressure.
AalstAges 45 years+ - NCT06108063RecruitingPhase 1/Phase 2
Losartan to prevent knee stiffness after replacement
This study tests whether losartan, a blood pressure medicine, can prevent excessive scar tissue (arthrofibrosis) after a total knee replacement. Participants receive losartan or a placebo for 6 months after surgery to see if it improves knee motion and reduces stiffness.
Vail, ColoradoAges 18 years+ - NCT03851627RecruitingPhase 4
Testosterone for fatty liver in overweight men with diabetes
This trial compares testosterone undecanoate versus a placebo (inactive pill) to see if it lowers fat in the liver measured by MRI. It focuses on overweight or obese men who have prediabetes or type 2 diabetes and low testosterone confirmed by blood tests.
ViennaAges 18–75 - NCT06313463RecruitingPhase 3
Capecitabine and camrelizumab for TNBC after chemotherapy
This trial tests if combining the chemotherapy pill capecitabine with the immunotherapy drug camrelizumab can help people with triple-negative breast cancer (TNBC) who still have tumor tissue after initial treatment. It is for patients whose breast cancer has structures called tumor-associated lymphoid structures (TLS) and who did not achieve a complete response to neoadjuvant therapy.
Guangzhou, GuangdongAges 18–80 - NCT05038462Recruiting
Fetal care study for babies with slow growth
This study looks at therapies meant to support brain development in babies whose growth is slower than expected before birth. It enrolls pregnancies in a specific time window and uses ultrasound/Doppler testing to make sure the baby is not likely needing delivery immediately.
BarcelonaAges 18 years+ - NCT06266715Recruiting
Testing ATP for depression relief
This trial tests if a natural compound called ATP can help improve moderate to severe depression symptoms. If you haven't taken antidepressants recently and have never tried escitalopram, you may be eligible.
Guangzhou, GuangdongAges 18–65 - NCT05596474Recruiting
Beetroot juice and light therapy for muscle tiredness
This study tests whether drinking beetroot juice and using a special light on your arm can help reduce muscle tiredness during exercise. It might make your workouts feel easier.
Winston-Salem, North CarolinaAges 65 years+ - NCT04703842RecruitingPhase 1/Phase 2
Study drug effect on heart muscle calcium in advanced heart failure
This trial tests a treatment intended to improve how heart muscle cells handle calcium, which may help heart failure symptoms and heart function. It is mainly for people with advanced heart failure and a low pumping strength of the heart.
San Diego, CaliforniaAges 18–80 - NCT04945213RecruitingPhase 3
Biperiden to prevent seizures after traumatic brain injury
This trial tests whether biperiden can lower the chance of developing epilepsy after an acute traumatic brain injury (with bleeding or bruising seen on CT). If you qualify, you would get the medicine or a placebo soon after the injury, and researchers will compare outcomes.
Fortaleza, CearáAges 18–75 - NCT05772013RecruitingPhase 4
Checking azithromycin prevention for COPD flare-ups
This Phase 4 study looks at optimizing how people with COPD take azithromycin to reduce flare-ups (exacerbations). If you already take azithromycin regularly, the trial may test ways to improve how it’s used safely.
CambridgeAges 40 years+ - NCT06344260RecruitingPhase 2
Neural stem cell therapy for ALS: a phase 2 trial
This trial tests whether injecting neural stem cells into the spine can slow down ALS. It is for people with rapidly progressing ALS who have good lung function and a caregiver to help with visits.
San Giovanni Rotondo, FoggiaAges 18–65 - NCT04430790RecruitingPhase 3
Doxapram for apnea in very preterm babies on breathing support
This trial studies whether the medicine doxapram can better treat breathing pauses (apnea) in very preterm babies who are already on breathing support in the NICU. It aims to reduce the need for extra interventions and improve outcomes in this high-risk group.
Brussels, Avenaue Hippocrate 10Ages 5 months–7 months - NCT05719467RecruitingPhase 3
Safety check of medicine to start labor
This Phase 3 study tests the safety of a medicine used to help start labor (“induction”). It may help by aiming for a safer, smoother induction process for people who are ready to deliver and meet specific pregnancy and health criteria.
LørenskogAges 18–50
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,902 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.