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
- NCT05579392Recruiting
Bright light therapy for gut inflammation in Crohn’s or colitis
This trial studies whether daily bright light can improve gut barrier “leakiness” and reduce inflammation in adults with Crohn’s disease or ulcerative colitis. It compares bright light versus dim light in a crossover design, meaning you may receive both.
Chicago, IllinoisAges 18 years+ - NCT05570253RecruitingPhase 2
SDX-7320 plus eribulin for metastatic triple-negative breast cancer
This Phase 2 study tests whether adding SDX-7320 to eribulin can work better for people with triple-negative metastatic breast cancer. It focuses on patients who have had prior chemotherapy and who also show signs of metabolic imbalance such as higher body weight or higher HbA1c.
Miami, FloridaAges 18 years+ - NCT05569772RecruitingPhase 3
Semaglutide for prediabetes after gestational diabetes
This trial studies whether semaglutide can help women with prediabetes after past gestational diabetes return to better blood sugar levels and lower progression to diabetes. It is designed for women who are no longer breastfeeding and can use effective birth control.
AalstAges 18 years+ - NCT05559671RecruitingPhase 4
Shingles vaccine safety study for people with lupus
This Phase 4 study checks how safe a shingles vaccine (Shingrix, a non-live vaccine) is for adults with lupus. You might be invited if you have lupus and haven’t had certain shingles or chickenpox-related vaccines recently, and if your lupus symptoms and immune health meet the study rules.
New York, New YorkAges 18–90 - NCT05584007RecruitingPhase 3
Choosing the best antibiotic length for leg cellulitis
This Phase 3 study compares 5 days versus 7 days of antibiotic treatment for new leg cellulitis (skin infection). It may help you get the right treatment duration while keeping side effects and recovery in mind.
SouthamptonAges 18 years+ - NCT05577754RecruitingPhase 2
Trial tests alpelisib for MCAP with PIK3CA mutations
This Phase 2 study tests alpelisib in children and adults with MCAP, a condition caused by a specific PIK3CA gene mutation. The goal is to see if the treatment is effective and safe, while carefully monitoring blood sugar and organ function.
AmiensAges 2–40 - NCT05568498RecruitingPhase 2
Probiotic trial for depression in Parkinson’s disease
This Phase 2 study tests whether taking probiotics can improve depression and mood symptoms in people with Parkinson’s disease. It’s meant for those with mild to moderate depression and stable Parkinson’s and mood treatments.
Vancouver, British ColumbiaAges 40–80 - NCT05551793RecruitingPhase 2
Dupilumab for patchy hair loss with scalp inflammation
This Phase 2 trial tests dupilumab (an injection medicine) to regrow hair in people with alopecia areata, a condition where the immune system attacks hair follicles. It may help by reducing the immune-related inflammation linked to hair loss.
Irvine, CaliforniaAges 18 years+ - NCT05562167RecruitingPhase 2
Inorganic nitrate plus exercise for heart failure performance
This Phase 2 study tests whether taking inorganic nitrate can improve exercise ability and heart-function symptoms in people with heart failure with reduced pumping. It also checks whether the treatment is safe when combined with an exercise program.
St Louis, MissouriAges 19–79 - NCT05552157RecruitingPhase 2/Phase 3
Study of treatments for early onset Alzheimer's caused by genetic mutations
This trial tests potential treatments for people who are at risk for or have early onset Alzheimer's disease due to a specific genetic mutation. It aims to find treatments that could slow or prevent symptoms.
Birmingham, AlabamaAges 18 years+ - NCT05555589RecruitingPhase 3
RGN-259 eye drops for neurotrophic keratopathy with persistent corneal defects
This Phase 3 trial tests whether a 0.1% RGN-259 eye drop can safely improve a stubborn corneal wound in adults with neurotrophic keratopathy (nerve-related corneal healing problems). You may qualify if you still have an eye surface defect after at least a week of standard treatments, and you meet specific measurements for corneal sensitivity and vision.
Laguna Hills, CaliforniaAges 18 years+ - NCT05571059RecruitingPhase 2
Oral ifetroban for idiopathic pulmonary fibrosis
This trial tests an oral medication, ifetroban, to see if it can slow the progression of idiopathic pulmonary fibrosis (IPF), a lung condition that causes scarring. It aims to improve breathing and lung function in patients with IPF.
La Mesa, CaliforniaAges 40 years+ - NCT05552755RecruitingPhase 1/Phase 2
Drug trial for FAP to reduce pre-cancer growth
This early-phase trial studies REC-4881 in adults with familial adenomatous polyposis (FAP), a condition that causes many colon/rectum and duodenal polyps. It aims to see whether the treatment can safely help control or shrink polyp growth in people who have had bowel surgery.
Scottsdale, ArizonaAges 18 years+ - NCT05538910Recruiting
Brain imaging study on substance use and depression
This study uses brain scans to understand how substance use and mental illness, like depression, are linked. It may help develop better treatments by looking at brain activity in people with and without depression.
Baltimore, MarylandAges 18–60 - NCT05526144RecruitingPhase 2
Thyroid hormone treatment for fatty liver in Veterans
This trial tests whether thyroid hormone can improve nonalcoholic steatohepatitis (fatty liver with inflammation) in Veterans. You may be asked to have a medically needed liver biopsy, and the study also focuses on safety in people with related conditions like diabetes and heart risks.
Columbia, MissouriAges 18–75 - NCT05519475RecruitingPhase 2
Gene-silencing medicine trial for adults with MASH and liver scarring
This Phase 2 study tests a gene-silencing treatment to improve chronic liver disease called MASH, especially in people with certain genetic risk. You may be eligible if you have MASH with moderate-to-advanced scarring and specific test results, and if other liver causes and recent substance/alcohol issues don’t apply.
Chandler, ArizonaAges 18–75 - NCT05511363RecruitingPhase 3
Study of a new medicine for psychosis in Alzheimer's disease
This trial tests a new drug called KarXT to see if it can safely reduce hallucinations and delusions in people with Alzheimer's disease. If you or a loved one has Alzheimer's and experiences these symptoms, this study might offer a new treatment option.
Homewood, AlabamaAges 55–90 - NCT05546554RecruitingPhase 2
Suvorexant for sleep problems in teens with autism
This Phase 2 study tests whether suvorexant helps improve sleep in children and teens with autism who have significant sleep trouble. It may help reduce behaviors related to poor sleep by changing how the brain promotes sleep.
Stanford, CaliforniaAges 13–17 - NCT05540574RecruitingPhase 2
Zolpidem for sleep problems in autistic children
This Phase 2 study tests zolpidem (a sleep medicine) to help children with autism sleep better. It will check sleep changes using sleep testing and to confirm zolpidem is safe for this age group.
Stanford, CaliforniaAges 8–17 - NCT05539729RecruitingPhase 1
Testing vancomycin for newly diagnosed multiple sclerosis
This Phase 1 study tests whether the antibiotic vancomycin can be given safely to people with newly diagnosed multiple sclerosis (or related early stages). It mainly focuses on safety and side effects, and whether the approach is feasible for this group.
New York, New YorkAges 18–50 - NCT05526196Recruiting
Study how cannabis and tobacco affect reaction and feelings
This study tests how cannabis and tobacco—used together or separately—affect your thinking speed, how you feel, and body responses. You may help researchers understand these effects under controlled conditions, which could be useful for safer use and treatment decisions.
Toronto, OntarioAges 19–45 - NCT05527548RecruitingPhase 4
Alendronate for knee recovery after ACL surgery
This trial tests whether alendronate, a drug commonly used for bone health, can improve knee function and recovery after ACL surgery. It is for people having their first ACL repair.
ShatinAges 14 years+ - NCT05511909RecruitingPhase 2
Buspirone study for opioid withdrawal symptoms
This Phase 2 study tests whether buspirone can help reduce symptoms during opioid detox (withdrawal). You may be able to take part if you have opioid withdrawal and are planning medically supervised detox.
Baltimore, MarylandAges 18–75 - NCT05529927RecruitingPhase 2
Dexamphetamine given long-acting to reduce cocaine use
This Phase 2 study tests whether a long-acting form of dexamphetamine can reduce cocaine use in people with moderate to severe cocaine use disorder. It also checks safety, including heart and mental health side effects, while you attend study visits regularly.
The HagueAges 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.