Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,154 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05697328Recruiting
Testing barotrauma effects of hyperbaric oxygen
This study looks at problems caused by pressure changes during hyperbaric oxygen therapy (HBOT). It may help the team understand risks and how to keep treatment safer while you get HBOT.
Walnut Creek, CaliforniaAges 18 years+ - 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+ - NCT06443606RecruitingPhase 3
Bezafibrate for primary biliary cholangitis with incomplete UDCA response
This trial tests if adding bezafibrate (200 mg or 400 mg) to standard UDCA treatment can improve liver function in people with primary biliary cholangitis whose UDCA alone isn't working well enough.
ParisAges 18–80 - NCT06451913RecruitingPhase 4
Probiotic for gut health during Lyme disease antibiotics
This trial tests if a probiotic (Saccharomyces boulardii) can help maintain healthy gut bacteria while you take antibiotics for the early skin rash of Lyme disease (erythema migrans). You'll take amoxicillin for 14 days, plus either the probiotic or a placebo.
LjubljanaAges 18 years+ - NCT06573970RecruitingPhase 4
Atomoxetine for PTSD and executive function in veterans
This trial tests if the medication atomoxetine can improve thinking and memory in veterans with PTSD and attention difficulties. It may help those who have not responded fully to other treatments.
Charleston, South CarolinaAges 18–75 - NCT06567470RecruitingPhase 2
Study of CIT-013 for rheumatoid arthritis
This trial tests a new medicine called CIT-013 for people with rheumatoid arthritis. It aims to see if CIT-013 can help reduce joint swelling and pain when added to your current treatment.
AntwerpAges 18 years+ - NCT06575400RecruitingPhase 1
Testing tolerance of BI 3804379 in healthy people and MASH patients
This study tests how well different doses of a new drug (BI 3804379) are tolerated. It is for healthy people and for patients with MASH (a type of fatty liver disease) who have advanced liver scarring.
EdegemAges 18–65 - NCT06569758RecruitingPhase 1
A study of GenSci098 for active thyroid eye disease
This study tests a new medication called GenSci098 for people with active thyroid eye disease. It aims to reduce eye symptoms like redness, swelling, and bulging, and improve quality of life.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06572384RecruitingPhase 3
Belimumab for lung scarring in autoimmune disease
This study tests whether a drug called belimumab can help people with lung scarring caused by certain autoimmune diseases (like rheumatoid arthritis or lupus). If you have active lung disease despite standard therapy, this trial may be an option.
Los Angeles, CaliforniaAges 18 years+ - NCT06576271RecruitingPhase 1
Testing a new drug for lupus and related lung disease
This study tests an experimental drug called GSK4527363. It is first being given to healthy volunteers to check safety, then to people with lupus (SLE) and people with connective tissue disease-related lung disease (CTD-ILD). The goal is to see if the drug is safe and how the body processes it.
Scottsdale, ArizonaAges 18–65 - NCT06577337RecruitingPhase 1
Testing a new drug (M5542) in healthy volunteers
This early-phase study tests a new experimental drug (M5542) in healthy volunteers to see how safe it is and how the body processes a single dose. If you are in good health and meet simple weight and medical history criteria, you may be able to join.
Neu-UlmAges 18–50 - NCT06568367RecruitingPhase 3
Solriamfetol for shift work disorder (SUSTAIN trial)
This study tests a medication called Solriamfetol (Sunosi) to see if it helps people with shift work disorder stay awake and alert during their shifts. It is a Phase 3 trial, which means it is being studied in a larger group to confirm how well it works and check for side effects.
Auburn, AlabamaAges 18–65 - NCT06568627RecruitingPhase 3
Testing a gel for cleaning leg ulcers
This study tests a new gel that helps remove dead tissue from venous leg ulcers. Venous leg ulcers are open sores on the leg that happen when veins don't work well. The gel is applied to the ulcer to clean it and help it heal. You may be able to join if you are an adult with a venous leg ulcer that is not too large and has been there for a few weeks.
Phoenix, ArizonaAges 18 years+ - NCT06582888RecruitingEarly Phase 1
VR attention test for smoking cravings
This study tests whether a virtual reality (VR) program can measure how your brain pays attention to smoking cues. It also involves taking a medication called varenicline (Chantix) to see if it reduces cravings. You may be eligible if you are a daily smoker, have been smoking for at least 3 years, and are not ready to quit in the next month.
San Diego, CaliforniaAges 22 years+ - NCT06575751RecruitingPhase 2
Study of cannabidiol and cannabis concentrate users
This study looks at how cannabidiol (a compound in cannabis) affects people who regularly use strong cannabis concentrates like wax, shatter, or oil. It may help understand if using CBD can change how cannabis affects the body or help with cannabis use disorder.
Aurora, ColoradoAges 25–60 - NCT06569394RecruitingPhase 2
Testing CBD in young adults who use cannabis heavily
This study tests whether cannabidiol (CBD) can help young adults who use cannabis heavily but aren't looking to quit. You'll take a CBD pill and see if it changes your cannabis use or related symptoms.
Aurora, ColoradoAges 18–25 - NCT06575075RecruitingPhase 1/Phase 2
Ketamine study for OCD
This study tests a form of ketamine called RR-HNK as a possible new treatment for OCD. It is for people who have not gotten enough relief from standard treatments or chose not to take them.
Palo Alto, CaliforniaAges 18–65 - NCT06579183Recruiting
Health products for better mood and sleep
This trial tests health products to see if they can improve mood and sleep quality. It is for adults who are generally healthy and not currently struggling with mental health conditions.
Hong Kong, Hong KongAges 18–65 - NCT06579274RecruitingPhase 2
Parecoxib for pain after bleeding stroke study
This trial tests a pain medicine called parecoxib (injected into a vein) for people who have had a bleeding stroke around the brain (subarachnoid hemorrhage). It aims to see if it helps with pain without causing serious side effects.
Brno, Czech RepublicAges 18–85 - NCT06567717RecruitingPhase 2
Zinc and vitamin B3 supplement for IPF
This trial tests whether adding zinc and nicotinamide riboside (a vitamin B3-like supplement) to standard IPF treatment can help improve lung function. It is for people with IPF who are already seeing a lung doctor and live in certain states.
Los Angeles, CaliforniaAges 50 years+ - NCT06572241Recruiting
Spinal morphine for better labor pain relief
This study tests whether adding a small dose of morphine into the spinal fluid improves pain relief from an epidural during labor. If you are having your first baby and want pain relief, you may be able to take part.
Toronto, OntarioAges 18–50 - NCT06582706RecruitingPhase 1/Phase 2
Vitamin B3 (niacin) for Alzheimer's disease
This study tests if nicotinic acid (a form of vitamin B3) can help people with mild to moderate Alzheimer's disease. It involves taking a daily pill, having a lumbar puncture, and regular check-ups to see if the vitamin improves thinking and memory.
Indianapolis, IndianaAges 60–85 - NCT06574360RecruitingPhase 2
Study of a dual-target drug for hard-to-treat schizophrenia
This trial tests an experimental combination treatment that targets two different brain receptors (sigma-1 and NMDA) to see if it can improve symptoms in people with schizophrenia that hasn't responded well to standard antipsychotics.
TaichungAges 18–65 - NCT06580002RecruitingPhase 2
Can Riluzole Help with Chemo Brain? A Pilot Study
This study tests if a medicine called riluzole (currently used for ALS) can help with 'chemo brain' – memory and thinking problems after cancer treatment. It is for people who feel their mental sharpness has declined after breast cancer therapy, certain chemotherapies, or brain radiation.
Orange, CaliforniaAges 18 years+
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,154 recruiting placebo 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 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 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.