Clinical trials
Placebo Effect clinical trials
Below are recruiting placebo effect clinical trials, each written for real people, not researchers. We’re tracking 758 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07195240Recruiting
Lemongrass and exercise performance in adults 40–60
This study tests whether drinking lemongrass can help improve your ability to exercise (aerobic performance). Healthy adults aged 40–60 who are not very active may join.
Newcastle upon TyneAges 25–60 - NCT07235228Recruiting
Synbiotic supplement for irritable bowel syndrome
This trial tests whether a synbiotic (a mix of probiotics and prebiotics) called Vivatlac can improve gut health in people with moderate to severe irritable bowel syndrome (IBS). If you have IBS and are not already taking probiotics or antibiotics, you may be able to join.
JarocinAges 18–65 - NCT07345260Recruiting
Can a nutritional supplement improve your sleep?
This trial tests a nutritional supplement to see if it can improve your sleep quality. You'll need to wear a smart ring and stop using other sleep aids for about 7 weeks.
Santa Monica, CaliforniaAges 35–65 - NCT07393672RecruitingPhase 2
Cannabinoids for menopause symptoms
This trial tests if hemp-derived cannabinoids can help with menopause symptoms like hot flashes and sleep issues. It may be an option if you are between 40 and 60, no longer having monthly periods or starting the transition, and can use a smartphone for virtual visits.
Pullman, WashingtonAges 40–60 - NCT07675200Recruiting
Miricell study on healthy aging and cell cleanup
This study tests whether a supplement called Miricell can improve markers of healthy aging and help your cells clean out damaged parts. If you are healthy, between 40 and 70 years old, and willing to follow a specific diet and visit schedule, you may be able to join.
Canfield, OhioAges 40–70 - NCT07409753RecruitingPhase 2
How oxytocin affects nerve signals in healthy women
This study tests how a single dose of oxytocin affects nerve signals in your arm. It helps researchers understand how oxytocin might change the way your body senses touch or pain.
LinköpingAges 18–65 - NCT07483502Recruiting
Pre-surgery gut health supplement study for heart patients
This trial tests whether taking a gut health supplement (WellBiome) for six weeks before heart surgery can improve recovery and save the NHS money. It compares the supplement to a placebo (a pill with no active medicine).
Hull, East Riding Of YorkshireAges 50–80 - NCT07536061RecruitingPhase 1
Testing SRP-1005 in early-stage Huntington's disease
This first-in-human study tests whether SRP-1005, a new drug, is safe and tolerable in people with early Huntington's disease. The drug is designed to reduce levels of a harmful protein in the brain that causes Huntington's symptoms.
AucklandAges 21–70 - NCT07585370Recruiting
Long-term Safety and Effectiveness of Shingles Vaccine
This study follows up with people who received an experimental shingles vaccine (a live, weakened form of the virus) in a previous trial from 2020–2021. Researchers want to understand how well the vaccine continues to protect against shingles over time.
Nanjing, JiangsuAges 40 years+ - NCT07466732Enrolling by invitationEarly Phase 1
Caffeine and morning mental and physical performance in men
This study tests whether taking caffeine in the morning can help young men with weight-training experience think more clearly and perform better during repeated sprints. You will be asked to complete cognitive and exercise tests after taking either caffeine or a placebo.
Liverpool, MerseysideAges 18–35 - NCT07210099Recruiting
Olive Supplement and Fat Burning During Exercise
This study tests whether a supplement made from olives (OliPhenolia®) can help your body burn fat more efficiently during exercise. It may be a good fit if you're a healthy, active adult in the UK.
CambridgeAges 21 years+ - NCT07196514Recruiting
Turmeric for health in older adults
This trial tests whether taking turmeric for 8 weeks can improve overall health and well-being in healthy older adults. You'll take a turmeric supplement daily and have your health monitored.
NottinghamAges 40–95 - NCT07634770RecruitingPhase 1
Oral insulin study compared to injected insulin
This early-stage study tests whether a new oral (swallowed) form of insulin called SCD0503 works as well as regular injected insulin in men with type 1 diabetes. Researchers will also check how food affects how your body absorbs the oral insulin.
Neuss, North Rhine-WestphaliaAges 18–64 - NCT06935357RecruitingPhase 3
Felzartamab infusions for IgA nephropathy
This study tests a new drug called Felzartamab (given as an infusion) for people with IgA nephropathy (IgAN), a kidney disease. The goal is to see if it can reduce protein leaking into urine and protect kidney function.
Little Rock, ArkansasAges 18 years+ - NCT06423716RecruitingPhase 4
Duloxetine to reduce opioid use after knee replacement
This study tests whether taking the pain medication duloxetine before and after knee replacement surgery can reduce the need for opioid painkillers. It may help patients manage pain with fewer side effects from strong narcotics.
Toronto, OntarioAges 50 years+ - NCT07479173Recruiting
How a study ingredient affects protein digestion in healthy adults
This trial tests whether a study ingredient called P24 changes how your body breaks down and uses protein from a meal. It may help researchers understand ways to support muscle health as we age.
Davis, CaliforniaAges 45–75 - NCT06794047Recruiting
Vitamin C for IVF in women with low ovarian reserve
This study tests whether taking Vitamin C can improve IVF outcomes for women with low ovarian reserve (DOR). If you are starting your first or second IVF cycle and meet certain health criteria, you may be eligible.
Beijing, Beijing MunicipalityAges 20–45 - NCT06746805Recruiting
Ketone drink and exercise fuel use in trained cyclists
This study tests if drinking a ketone supplement before exercise changes how your body uses carbs for fuel. It may help trained cyclists and triathletes understand fuel efficiency.
Maastricht, LimburgAges 18–50 - NCT04555785RecruitingPhase 4
Testing platelet treatment in ICU patients after surgery
This trial studies whether a platelet-related treatment can work better in people in the ICU who need a platelet transfusion after surgery. It may help reduce bleeding by improving how platelets work when certain blood clotting proteins are already high.
BaselAges 18 years+ - NCT07114055RecruitingPhase 2/Phase 3
Ebastine for diarrhea-predominant IBS
This trial tests whether ebastine, an allergy medicine, can help relieve symptoms of diarrhea-predominant irritable bowel syndrome (IBS-D). If you have IBS-D and are at least 18, this study may offer a new option to manage your condition.
DhakaAges 18 years+ - NCT06446479RecruitingPhase 2
THC's effect on alcohol use and brain reward
This study tests whether THC (the active ingredient in cannabis) can change how much alcohol you drink and how your brain responds to rewards. You will have MRI scans and take THC or a placebo, then drink alcohol in a controlled setting.
Aurora, ColoradoAges 21–40 - NCT07659236Recruiting
Plasma-activated water for fibromyalgia pain
This study tests whether a special water called 'plasma-activated water' can help reduce pain in people with fibromyalgia. If you have widespread pain for at least 3 months and meet the age and health requirements, you may be able to join.
TaipeiAges 20–75 - NCT07220252RecruitingPhase 2/Phase 3
Ublituximab for children with relapsing multiple sclerosis
This trial tests a new drug called ublituximab to see if it can reduce flare-ups in children and teens who have relapsing multiple sclerosis. It aims to understand if the treatment is safe and effective for younger patients.
GdanskAges 10–17 - NCT06971224RecruitingPhase 2
Can a vitamin B3 supplement improve sleep?
This study tests whether a daily supplement called nicotinamide riboside (a form of vitamin B3) can improve sleep quality in healthy adults. If you are between 40 and 60 years old, have normal sleep, and are not taking sleep aids, you may be able to join.
BergenAges 40–60
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Common questions
- Are there clinical trials for placebo effect?
- Yes. Clin2 currently lists 758 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.