Clinical trials
Placebo Effect clinical trials
Below are recruiting placebo effect clinical trials, each written for real people, not researchers. We’re tracking 757 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07038356RecruitingPhase 3
Continuing empagliflozin for heart failure patients in hospital
This trial tests whether staying on the medication empagliflozin helps people with heart failure who are hospitalized for worsening symptoms. Empagliflozin is a type of drug called an SGLT2 inhibitor, which helps control blood sugar and protect the heart.
Jena, ThuringiaAges 18 years+ - NCT07604948Recruiting
Blood Flow Restriction Training for Basketball Recovery
This study tests whether briefly restricting blood flow to the legs (using an arm cuff on the thigh) can help male basketball players recover faster and improve leg strength after games. Researchers want to see if this technique, called ischemic preconditioning, reduces fatigue and speeds healing.
Guangzhou, GuangdongAges 18–25 - NCT06146062RecruitingPhase 2
Stem cell therapy for severe traumatic brain injury
This trial tests whether a single infusion of stem cells from donated umbilical cord tissue can help calm inflammation in the brain after severe traumatic brain injury. It is for patients aged 18–50 who need brain pressure monitoring and are not responding to verbal commands 5 days after sedation is stopped.
ClamartAges 18–50 - NCT06422741Recruiting
Grape seed extract for cholesterol in night shift workers
This study tests whether a grape seed extract supplement can help lower LDL (bad) cholesterol in people who work rotating night shifts. It is looking for healthy adults with moderately high cholesterol who are not taking cholesterol medicine.
Reus, TarragonaAges 18 years+ - NCT06708156RecruitingPhase 3
Low-dose atropine drops to slow childhood nearsightedness
This trial tests two low-dose atropine eye drops (0.01% and 0.02%) to see if they can safely slow down the worsening of nearsightedness (myopia) in children. Your child would receive either one of these drops or a placebo (an inactive drop) once daily for up to 2 years.
Hefei, AnhuiAges 6–12 - NCT06768580Recruiting
Melatonin or lidocaine to prevent confusion after hip replacement
This trial tests if giving either oral melatonin or lidocaine during surgery can reduce the chance of confusion (delirium) in older adults after total hip replacement. It compares these two approaches to standard care.
Tanta, El-GharbiaAges 65 years+ - NCT07058324Recruiting
Can chicory root prebiotic improve mood and stress?
This trial tests whether a prebiotic from chicory root can help healthy adults with mild to moderate stress and anxiety feel calmer and handle stress better. You'll take the prebiotic or a placebo for a period and complete mood and stress tests.
Trier, Rhineland-PalatinateAges 18–70 - NCT02630121RecruitingPhase 4
Nasal spray treatment to reduce mild sleep apnea congestion
This study tests whether using oxymetazoline with fluticasone nasal spray can improve mild obstructive sleep apnea by lowering nasal congestion. If your nose stays blocked most days despite current spray use, this may help your breathing during sleep.
Tampa, FloridaAges 18–65 - NCT06971445Enrolling by invitation
Omega-3 supplements for pregnant women with HIV
This trial tests whether taking omega-3 supplements can improve pregnancy outcomes and reduce inflammation in pregnant women living with HIV who are on antiretroviral therapy. If you are between 20 and 29 weeks pregnant with a single baby, you may be eligible to join.
Mexico City, Mexico CityAges 18 years+ - NCT07777328Recruiting
5-HTP for ADHD traits and eye movements in adults
This study looks at how a supplement called 5-HTP (a natural amino acid) affects attention and eye movements in adults. You will receive either 5-HTP or a placebo to see if it changes ADHD-like traits.
Sheffield, South YorkshireAges 18–65 - NCT04552080RecruitingPhase 4
Antibiotics around sinus and bone graft implants to prevent problems
This trial studies whether taking antibiotics through the body (systemic antibiotics) after sinus-lift and bone-graft dental implant surgery can reduce post-surgery complications and improve patient comfort. It compares outcomes that matter to patients after implant placement using guided bone regeneration and a sinus floor elevation.
GrazAges 21 years+ - NCT04774705Recruiting
Noninvasive vagus nerve stimulation for sepsis in the ICU
This study tests whether a noninvasive device that stimulates the vagus nerve can help adults with sepsis in the intensive care unit. Researchers want to see if adding this treatment improves outcomes compared with standard ICU care.
GarchesAges 18 years+ - NCT06495684Recruiting
A brain stimulation study for adults with autism
This trial tests whether mild brain stimulation (transcranial direct current stimulation or tDCS) over multiple sessions can improve thinking, behavior, and brain activity in adults with autism. It may help researchers learn if this safe, noninvasive treatment can support better daily functioning.
Albuquerque, New MexicoAges 18–35 - NCT06676774RecruitingPhase 2
Does oxytocin nasal spray help people with diabetes insipidus?
This study tests if a nasal spray with oxytocin (a natural hormone) can improve emotion recognition and reduce stress-related hormone levels in people with central diabetes insipidus compared to healthy volunteers.
BaselAges 18 years+ - NCT06746220Recruiting
Effect of activity and probiotics on body and health in women
This study looks at how adding physical activity and/or probiotics might affect your body composition and health. It is for women who are students at the University of Orléans and do not already exercise regularly.
OrléansAges 18 years+ - NCT06894875Recruiting
Lentil protein's effect on blood pressure and exercise
This trial tests a lentil protein supplement to see if it helps control blood pressure, improve blood vessel function, and boost exercise performance. You may be able to join if you're a healthy, active adult aged 18-45.
Melbourne, VictoriaAges 18–45 - NCT07173062Recruiting
Algae supplement for heart health and gut bacteria
This study tests whether a supplement made from algae can help improve markers of heart health and affect the bacteria in your gut. It is for people age 50 and older who already have a condition like heart disease, kidney disease, or diabetes.
PortoAges 50 years+ - NCT07234422RecruitingPhase 3
Selenium and CoQ10 for heart failure
This study tests whether adding selenium and CoQ10 (two natural supplements) to standard heart failure treatment helps people with chronic heart failure feel better and improve their health. Researchers are using a registry-based approach to track participants in the Netherlands.
AlkmaarAges 18 years+ - NCT07318896Recruiting
Agar and collagen supplement study for knee pain
This trial tests whether a supplement made from agar and collagen can help reduce knee pain in people with mild to moderate osteoarthritis. If you are between 40 and 70 and have knee pain, this may be an option for you.
Reus, TarragonaAges 40–70 - NCT06861062Recruiting
Vitamin D and yeast beta-glucan for type 2 diabetes
This trial tests if taking vitamin D3 and yeast beta-glucan supplements can help control blood sugar and lower heart disease risk in people with type 2 diabetes. It may be an option for those who want to see if supplements can improve their diabetes management.
Nanning, GuangxiAges 40–79 - NCT06734975RecruitingPhase 2
Nerve block for better recovery after vocal cord surgery
This study tests if a nerve block can help reduce pain and improve recovery after surgery to remove a noncancerous growth on the vocal cords. Participants will be randomly assigned to receive either the nerve block or standard care.
Newark, New JerseyAges 18 years+ - NCT07097506RecruitingPhase 2
Ketone drink for liver fat and health
This study tests whether a daily ketone ester drink can reduce liver fat and improve metabolism in people with excess liver fat. You may join if you are 18–40, have overweight or obesity, and your liver has extra fat.
St Louis, MissouriAges 18–40 - NCT07063342RecruitingPhase 1
Study of new drug versions in healthy adults
This study is testing new versions of a drug (called KarX and KarT) in healthy adults to see how the body handles them. Researchers will also look at how food affects the drug when taken multiple times.
Nottingham, NottinghamshireAges 18–55 - NCT07244991Recruiting
Effect of a special toothpaste on plaque bacteria and cavities during braces treatment
This trial tests whether a special paste (MI Paste Plus) can reduce cavity-causing bacteria and prevent early white spots on teeth while you are wearing braces.
Tirana, AlbaniaAges 5–45
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Common questions
- Are there clinical trials for placebo effect?
- Yes. Clin2 currently lists 757 recruiting placebo effect 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 effect 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 effect 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.