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
- NCT07494214RecruitingPhase 1
Study on MDMA for pain relief in healthy people
This trial tests if a single dose of MDMA can reduce pain caused by heat or pressure in healthy volunteers. It aims to see if MDMA might help with certain types of pain that are hard to treat.
BaselAges 18–75 - NCT07581145RecruitingPhase 3
Semaglutide for Faster Healing of Diabetic Foot Ulcers
This study tests whether a diabetes medication called semaglutide can help foot ulcers heal faster in people with type 2 diabetes. If it works, it could offer a new treatment option for a common and serious diabetes complication.
CopenhagenAges 18–90 - 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 - NCT07588022Recruiting
How Your Body Reacts to Jägermeister Mixed with Energy Drinks
This study examines what happens to your heart, blood pressure, and overall health when you drink Jägermeister (a digestif liqueur) mixed with energy drinks. Researchers want to understand the physical effects of combining alcohol and high-caffeine beverages in healthy young adults.
BarcelonaAges 18–45 - NCT07359625Recruiting
Study on ketone drinks and insulin health
This study tests if drinking a ketone supplement can improve how your body responds to insulin, which affects blood sugar control.
Aarhus NAges 55–70 - NCT06694740RecruitingPhase 2/Phase 3
Interferon gamma for immune recovery in the ICU
This trial tests if a drug called interferon gamma can help boost the immune system of patients in the ICU who are fighting serious infections. It is for adults who are on a breathing machine and have low immune function.
ParisAges 18 years+ - NCT07215689Recruiting
Ashwagandha for healthier skin and hair
This trial tests a daily 300 mg ashwagandha supplement (KSM-66) to see if it improves skin and hair health over three months. It is for generally healthy adults experiencing mild to moderate hair loss.
San Francisco, CaliforniaAges 18–60 - NCT06765057RecruitingPhase 2/Phase 3
Probiotics for Depression and Metabolic Health
This trial tests whether taking a probiotic supplement can improve both depression symptoms and metabolic health (like waist size, blood sugar, and cholesterol) in people with major depression. It may be a good fit if you are already on an antidepressant and have signs of metabolic syndrome.
Riyadh, Riyadh RegionAges 18–65 - NCT07432958RecruitingPhase 2
Study of AP-472 with levodopa for Parkinson's motor fluctuations
This trial tests an experimental drug called AP-472, taken alongside your regular Parkinson's medications, to see if it can reduce the amount of "OFF" time you experience each day when symptoms return between doses of levodopa.
Little Rock, ArkansasAges 30–80 - NCT04520139RecruitingPhase 1/Phase 2
NAC to help prevent chemo brain fog in ovarian cancer
This Phase 1/2 study tests whether taking NAC (a supplement medicine) can help prevent or reduce memory and thinking problems after platinum chemotherapy. It targets people with advanced ovarian, fallopian tube, or primary peritoneal cancer who are starting at least six cycles of platinum-based treatment.
Orange, CaliforniaAges 18 years+ - NCT03935646RecruitingPhase 2
Test of Adderall’s short-term effects in college students with ADHD
This study measures how stimulant medication (Adderall) affects college students with ADHD in the short term. It compares people with ADHD to students without ADHD to see what changes you may notice during the study.
Laramie, WyomingAges 18–29 - NCT04773691Recruiting
High-frequency brain stimulation to help cut alcohol use
This trial tests whether high-frequency rTMS (a non-surgical brain stimulation) can reduce how much alcohol you drink. It targets people with alcohol use disorder who are not fully stopping, and who want to cut down after a past relapse or failed withdrawal attempt.
DijonAges 18 years+ - NCT04912518Recruiting
Dexmedetomidine for heart protection after a specific heart attack
This study tests whether dexmedetomidine can protect the heart in people who are having a specific type of heart attack (anterior STEMI) when treated within 6 hours of symptom start. You may be considered if your diagnosis and vital signs fit the study safety rules, and if you can take part in follow-up.
Hefei, AnhuiAges 18–75 - NCT05737342Recruiting
Test supplement to lower A1c and steady blood sugar
This trial studies ANKASCIN 568-P products to see if they can lower A1c (a blood sugar average) and help regulate blood glucose. It may help people with early blood sugar problems, but you must avoid diabetes medicines during the study.
TaipeiAges 20 years+ - NCT06274385Recruiting
Beetroot supplement for better cycling sprints and recovery
This study tests whether a single dose of a beetroot-like concentrate (betalain-rich) can help you sprint faster on a bike and recover better between repeats. It's for healthy, active adults who want to see if a natural supplement boosts performance.
Philadelphia, PennsylvaniaAges 18–40 - NCT06304779Recruiting
Lidocaine for infection after emergency abdominal surgery
This trial tests if giving lidocaine continuously during and after emergency surgery for a hole or blockage in the gut can reduce lung problems and improve recovery. It may help patients with a serious belly infection who need quick surgery.
Shanghai, Shanghai MunicipalityAges 18–100 - NCT06456502Recruiting
Non-invasive brain stimulation for long COVID symptoms
This trial tests whether a gentle, non-invasive brain stimulation device can help relieve long COVID symptoms. It involves wearing special gloves and socks that deliver mild electrical pulses to improve how you feel.
Alcorcón, MadridAges 18 years+ - NCT06550167Recruiting
Nano PSO for brain protection in substance users
This trial tests whether a supplement called Nano PSO can help protect the brain in people who have used methamphetamines, cocaine, and cannabis for at least three years. It looks at effects during the withdrawal period for men currently in residential treatment.
Guadalajara, JaliscoAges 18–50 - NCT06736002Recruiting
Vitamin D for epilepsy: fewer seizures, less fatigue
This trial tests whether high doses of vitamin D can help reduce seizures and improve fatigue and quality of life in adults with refractory epilepsy who have not responded well to at least two medications.
TainanAges Any age - NCT06757764RecruitingPhase 4
Stroke from artery narrowing: testing combination of anti-platelet drugs
This trial tests whether a combination of two or three anti-platelet medicines (like aspirin, clopidogrel, or cilostazol) is safe and works better than one alone for people who had a stroke from a narrowed artery. The goal is to prevent another stroke.
Seoul, Songpa-guAges 20 years+ - NCT06778460Recruiting
Esketamine and lidocaine for pain after liver surgery
This trial tests whether two medicines, esketamine and lidocaine, can reduce long-term pain after liver surgery and possibly improve survival. It is for people who are having a planned liver removal (hepatectomy).
Chengdu, SichuanAges 18–75 - NCT06861088RecruitingPhase 3
Kinisoquin for preventing blood clots in pancreatic cancer
This trial tests whether an investigational drug called Kinisoquin™ can help prevent blood clots in people with advanced pancreatic cancer who are starting their first chemotherapy. It may be a good option if you are looking for extra protection against clots during treatment.
Ventura, CaliforniaAges 18 years+ - NCT06893822Recruiting
Griffonia simplicifolia for pain in healthy volunteers
This trial tests if a natural supplement called Griffonia simplicifolia can change how your body processes pain. It is looking for healthy people to take part.
GrazAges 18–99 - NCT06946017Recruiting
Dairy protein and fiber supplement for gut health
This trial tests if a fermented dairy protein drink with added fiber can improve gut symptoms. It is for active people living in Phoenix who may have mild lactose issues.
Phoenix, ArizonaAges 18–50
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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.