Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,929 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06512922Enrolling by invitation
Cognitive training for older adults with high blood pressure
This trial tests whether a special computer-based brain training program can help older adults with high blood pressure think more clearly. It is done in your local community and aims to find a way to keep your mind sharp as you age.
Beijing, ShijingshanAges 60 years+ - NCT06512818Enrolling by invitationPhase 1/Phase 2
Testing Psiguavin for weight loss in obesity
This study tests a natural supplement made from guava (called Psiguavin) to see if it helps with weight loss in people who are overweight or have obesity. Participants will take the supplement and be monitored for weight changes and safety.
MurciaAges 18–65 - NCT06500104Enrolling by invitation
Kefir for Childhood Obesity: A Trial
This trial tests whether a probiotic drink called kefir (a fermented milk beverage) can help children and teens with obesity lose weight or improve their health. It's for children who are significantly above a healthy weight and don't have other serious medical conditions or dairy allergies.
TaichungAges 7–17 - NCT06485349Enrolling by invitation
Olive leaf extract for anxiety and weight in women
This study tests whether an olive leaf extract can help with mild anxiety and weight management in women who are overweight or have moderate obesity. Participants take the extract or a placebo daily for a period, and their anxiety levels, inflammation, and weight are tracked.
Guadalajara, JaliscoAges 18–40 - NCT06431893Enrolling by invitationPhase 3
Long-term study of pegtibatinase for classical homocystinuria
This trial is a long-term follow-up study examining the safety and effectiveness of pegtibatinase for people with classical homocystinuria (HCU). It is open to those who have recently taken part in or finished the HARMONY or COMPOSE studies.
Phoenix, ArizonaAges 5–65 - NCT06377085Enrolling by invitationPhase 1
Testing an old drug for tight muscles in kids with cerebral palsy
This trial tests a drug called 5-Azacytidine, which is being used in a new way—to help loosen tight muscles (contractures) in children with cerebral palsy. It aims to see if it can reduce the need for surgery.
San Diego, CaliforniaAges 2–18 - NCT06306274Enrolling by invitationPhase 2/Phase 3
Tacrolimus cream for breast cancer-related lymphedema
This study tests if a cream called tacrolimus can help reduce swelling in the arm caused by breast cancer treatment (lymphedema). It is looking for women with mild to moderate swelling that has not yet caused severe skin changes.
OdenseAges 18 years+ - NCT06306157Enrolling by invitationPhase 4
Low dose naltrexone for complex regional pain syndrome
This trial tests whether a low dose of naltrexone, a medication that may help calm overactive immune and pain signals, can reduce pain and improve daily life in people with complex regional pain syndrome (CRPS), a chronic condition that often causes severe pain and swelling.
New York, New YorkAges 18–85 - NCT06225388Enrolling by invitation
Do compression socks help runners feel less sore?
This study tests whether wearing a compression sock while running can reduce muscle soreness after a run. It may help distance runners recover faster.
Rio de JaneiroAges 18–50 - NCT06195982Enrolling by invitationPhase 2
Ketone supplement for heart failure with reduced pumping ability
This trial tests whether a ketone supplement can improve heart function and exercise ability in people with heart failure and a reduced ejection fraction. It may help you feel better during daily activities.
Durham, North CarolinaAges 18 years+ - NCT06173973Enrolling by invitationPhase 2/Phase 3
Ketone supplement for alcohol withdrawal symptoms
This study tests whether a special supplement (ketones) can help people feel better during alcohol withdrawal. It is for adults who are already in a treatment program for alcohol withdrawal.
Philadelphia, PennsylvaniaAges 18–75 - NCT06158490Enrolling by invitationPhase 2
JYP0061 tablet for moderate to severe eczema
This trial tests a new tablet called JYP0061 for people with moderate to severe atopic dermatitis (eczema) that has lasted at least a year. It aims to see if the drug is safe and effective in reducing symptoms.
Shanghai, Shanghai MunicipalityAges 18–65 - NCT06152991Enrolling by invitationPhase 3
Godex for fatty liver: a Phase 3 trial
This study tests an investigational supplement called Godex Carnitine Orotate Complex to see if it helps people with nonalcoholic fatty liver disease (NAFLD) lower their liver enzymes and reduce liver fat. It may be a good option if you have elevated liver enzymes and evidence of fat in your liver.
SeoulAges 19–74 - NCT06148311Enrolling by invitationPhase 2
Dexmedetomidine film for autonomic crises in Familial Dysautonomia
This study tests a new dissolvable film containing dexmedetomidine (a medicine that calms overactive stress responses) for people with Familial Dysautonomia who experience sudden episodes called autonomic crises. It aims to treat these crises at home without needing a hospital visit.
New York, New YorkAges 16–80 - NCT06121492Enrolling by invitationPhase 3
Amino Acid Drink for Muscle Loss in Liver Cirrhosis
This study tests whether taking a daily drink of branched-chain amino acids (a type of protein) can help people with liver cirrhosis who have lost muscle strength and mass. It may help improve muscle size and function.
Bangkok, BangkokAges 18–85 - NCT05964868Enrolling by invitationPhase 3
Liposome anesthesia to reduce pain after nose surgery
This Phase 3 study tests whether a special form of local numbing medicine (liposomal bupivacaine) helps reduce pain after septorhinoplasty (nose and septum surgery). You may be considered if you’re planning this surgery and can follow study instructions before and after.
Hershey, PennsylvaniaAges 18–99 - NCT05961501Enrolling by invitationPhase 2/Phase 3
CBD and CBN for long-lasting facial pain and muscle headaches
This trial tests whether CBD and CBN can reduce facial pain and headaches caused by muscle-related problems that have lasted more than 3 months. It may help people who have ongoing symptoms find a new treatment option.
WroclawAges 18 years+ - NCT05839938Enrolling by invitation
Vitamin D study for kids with allergic conjunctivitis
This trial studies whether vitamin D affects the surface of the eye, the eye’s normal germs, eye inflammation, and vision in children with allergic conjunctivitis. If vitamin D helps, it could improve symptoms and eye comfort.
TaichungAges 6–18 - NCT05794165Enrolling by invitationPhase 2
Antithrombin to prevent blood clots after serious trauma
This Phase 2 trial studies whether giving antithrombin can better prevent harmful blood clots (venous thromboembolism) after serious injuries. The goal is to reduce clot risk while you’re in the trauma ICU or step-down unit.
Aurora, ColoradoAges 18 years+ - NCT05787418Enrolling by invitationPhase 3
Nasal spray to prevent COVID-19 after a close exposure
This Phase 3 trial tests whether a medicated nasal spray can stop COVID-19 from starting after you’ve been exposed to someone who recently tested positive. You must start very soon after the person became symptomatic, and you’ll be checked for eligibility based on timing and your health history.
BeijingAges 12–85 - NCT05752032Enrolling by invitation
Long-term follow-up after ICM-203 or placebo treatment
This study checks on people who previously received ICM-203 or a matching placebo. It helps researchers understand the longer-term safety and effects of the treatment over time.
Adelaide, South AustraliaAges 50–80 - NCT05739071Enrolling by invitation
Herbal tea study for bladder cancer urinary tract symptoms
This study tests whether drinking JING SI herbal tea can help with urinary tract symptoms in people with bladder cancer receiving treatment directly into the bladder. You may be able to help researchers understand whether this tea improves day-to-day bladder-related symptoms.
Taipei, TaiwanAges 20–100 - NCT05735483Enrolling by invitationPhase 3
Long-term lebrikizumab study for moderate to severe eczema
This Phase 3 trial studies whether lebrikizumab is safe and continues to work over the long term for children and teens with moderate-to-severe atopic dermatitis (eczema). It’s meant for people who already finished a related earlier study and can safely continue.
Birmingham, AlabamaAges 6 months–18 years - NCT05656664Enrolling by invitation
Folic acid to reduce effects of arsenic exposure
This study tests whether taking folic acid can help reduce health effects from arsenic exposure in people living near a Superfund site. You would be enrolled only if you meet safety rules, including not being pregnant and not already taking folic acid.
Birmingham, AlabamaAges 18–89
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,929 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.