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
- NCT07467447RecruitingPhase 2
Testing a weight-loss drug for people with obesity or overweight
This trial tests whether an experimental drug (LY3437943) can help people with obesity or overweight lose weight. It compares the drug to a placebo (inactive shot), and you must be willing to give yourself daily injections.
Shenzhen, GuangdongAges 18–75 - NCT07037511Recruiting
Salbutamol in endurance athletes: a screening study
This trial tests how the asthma medication salbutamol affects endurance athletes. If you are a healthy athlete in running or cycling, your data may help improve sports safety.
Vancouver, British ColumbiaAges 18–55 - NCT07496177RecruitingPhase 2
HTD1801 for kidney function in diabetes and kidney disease
This trial tests whether a new drug, HTD1801, can protect or improve kidney function in people with type 2 diabetes and chronic kidney disease. It may help slow kidney damage and reduce protein in urine.
Weifang, ShandongAges 18–75 - NCT06701396RecruitingPhase 3
Tasimelteon for delayed sleep phase disorder with genetic variant
This study tests a new sleep medication called tasimelteon compared to a placebo (inactive treatment) for people with a specific sleep disorder linked to a genetic change in the body's internal clock. If you have Delayed Sleep-Wake Phase Disorder and carry the CRY1Δ11 variant, this trial may help improve your sleep timing.
Çankaya, AnkaraAges 18–75 - NCT07167550RecruitingPhase 3
Testing Dimephosphon for recent ischemic stroke recovery
This study tests an investigational drug called Dimephosphon to see if it helps people recover from a recent ischemic stroke (a stroke caused by a clot). It is for adults ages 35–80 whose symptoms began 24 to 72 hours ago and who have not received clot-busting treatments.
Vsevolozhsk, Leningradskaya Oblast'Ages 35–80 - NCT07440069RecruitingPhase 4
Pain relief options for women during active labor
This trial compares the pain relief and effects of tramadol, paracetamol (also known as acetaminophen), and a placebo in women during active labor. It aims to find which option works best and is safest for mothers and babies.
Tegucigalpa, Francisco Morazán DepartmentAges 15–45 - NCT07600203Recruiting
Low-level laser therapy for chronic jaw pain
This study tests whether a special laser device called the Erchonia EVRL can reduce chronic jaw pain caused by TMJ (temporomandibular joint) disorders. You would receive laser treatment and rate your pain over time to see if the laser helps more than a placebo.
Acton, MassachusettsAges 22–75 - NCT07598708RecruitingPhase 2/Phase 3
Cleminorexton for Narcolepsy: A New Treatment Study
This study tests whether a new medication called cleminorexton helps people with narcolepsy (a condition causing severe daytime sleepiness) sleep better and feel more alert. You would take this medication instead of your current narcolepsy drugs for several months to see if it works.
Colorado Springs, ColoradoAges 18–70 - 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 - NCT07565493RecruitingEarly Phase 1
Psilocybin with a serotonin blocker in healthy adults
This early-stage research study tests how psilocybin (a naturally occurring compound from certain mushrooms) works when combined with a medication that blocks a specific serotonin pathway in the brain. Researchers want to understand how these two substances interact in healthy volunteers to inform future psychiatric treatment studies.
Baltimore, MarylandAges 21–60 - NCT04411225RecruitingPhase 3
CBD may help early psychosis along with usual treatment
This Phase 3 trial tests whether taking cannabidiol (CBD) can reduce symptoms when added to standard care for early psychosis (like first-episode psychosis or attenuated psychosis). It may help some people have fewer troubling thoughts or perceptions over time.
La Jolla, CaliforniaAges 16–30 - NCT06058585RecruitingPhase 3
Testing new drugs for chronic kidney disease
This trial tests different medicines to see if they can slow down kidney disease. You may be able to join if you have chronic kidney disease and are already getting standard treatment.
Garran, Australian Capital TerritoryAges 18 years+ - NCT06647524RecruitingPhase 2
How cannabis affects the aging brain
This study uses brain scans (fMRI) to see how THC (the active ingredient in cannabis) affects the brain as people age. If you are a cannabis user without current dependence or health issues, you may help researchers understand these effects.
Hartford, ConnecticutAges 18–75 - NCT06782646Enrolling by invitationPhase 2/Phase 3
Can berberine help lower cholesterol in Chinese women?
This trial tests whether berberine, a natural supplement, can lower cholesterol and fats in the blood specifically in Chinese women. It aims to see if berberine works differently for women than for men.
Hong KongAges 20–65 - NCT06128447RecruitingPhase 3
New chewable drug for hookworm, roundworm and whipworm
This trial tests a new chewable tablet (ZP5-9676) to treat common intestinal worm infections. It compares the new drug to a placebo (fake pill) to see if it's safe and effective.
AmericaninhaAges 6 months–59 years - NCT07437911Recruiting
Can a Supplement Help with Nutrient Gaps for GLP-1 Users?
This study tests whether a daily supplement can help fill nutrient gaps and improve gut health for people who are already taking GLP-1 weight-loss medications (like Ozempic or Wegovy). Participants must be on a stable dose for at least 8 weeks and be generally healthy without other chronic conditions.
Santa Monica, CaliforniaAges 18–59 - NCT07098663RecruitingPhase 2
Study of MKP10241 for weight loss and diabetes control
This study tests an investigational drug called MKP10241 in healthy people, people with obesity, and people with type 2 diabetes. It aims to see how the drug affects blood sugar, weight, and overall safety. It may be an option if you have obesity or type 2 diabetes managed by diet and/or metformin.
Bayswater, VictoriaAges 18–60 - NCT07169851RecruitingPhase 2
Study of a new drug for chemo nausea and vomiting
This trial tests a medication called LY3537021 to see if it can prevent nausea and vomiting caused by certain types of chemotherapy (AC or cisplatin) in people who have not had chemo before. It focuses on patients who are otherwise in fairly good health.
Greenbrae, CaliforniaAges 18 years+ - NCT05550415RecruitingPhase 2
Simvastatin with chemotherapy for triple-negative breast cancer
This trial studies whether adding simvastatin (a cholesterol medicine) can slow or change how breast cancer spreads in triple-negative breast cancer. It compares outcomes while you receive planned chemotherapy, and you may or may not be taking simvastatin as part of the study treatment.
Jakarta Pusat, DKI JakartaAges 18 years+ - NCT06032923RecruitingPhase 1/Phase 2
Does vitamin B3 boost help lupus symptoms?
This study tests whether a form of vitamin B3, called nicotinamide riboside, can improve immune function and reduce inflammation in women with mild to moderate lupus. It may help understand if boosting NAD+ levels offers a new way to manage the disease.
Bethesda, MarylandAges 18–120 - NCT06655012Recruiting
How salmeterol affects exercise performance
This trial tests whether salmeterol, a medication usually used for asthma, can improve exercise performance in healthy, very fit adults. You will exercise on a bike or treadmill and have your oxygen use measured.
CopenhagenAges 18–40 - NCT07029906Recruiting
Testing if beta-blocker side effects are due to expectations
This study tests whether some side effects from beta-blockers are caused by your expectations (the nocebo effect) rather than the drug itself. If you have heart failure and stopped a beta-blocker due to symptoms, this study may help understand your experience and potentially find better ways to manage it.
LondonAges 18 years+ - NCT07176208RecruitingPhase 1
THC and alcohol effects on driving in healthy adults
This study looks at how taking THC (the active ingredient in cannabis) with or without alcohol affects your driving and perception. You will take a THC pill and possibly a drink with alcohol, then have your driving tested in a simulator.
West Bend, WisconsinAges 21–55 - NCT07051655Recruiting
Ketone drink for thinking and memory
This study tests whether a drink containing ketones (a natural energy source for the brain) can improve thinking and memory. It involves three groups: people with obesity, lean people, and athletes.
Birmingham, AlabamaAges 19–55
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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.