Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,220 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07582549RecruitingPhase 3
Treatment for children's persistent cough
This Finnish study tests whether two common medicines (a steroid inhaler and an antibiotic) can help children whose cough has lasted more than 4 weeks without an obvious cause. Researchers want to see if these treatments work better than doing nothing.
TampereAges 1–6 - NCT07605728RecruitingPhase 2
Probiotics to ease stomach problems from breast cancer treatment
This trial tests whether a special probiotic supplement (good bacteria) can reduce belly discomfort caused by abemaciclib, a hormone therapy drug for early breast cancer. You would take the supplement alongside your cancer treatment to see if it helps with stomach side effects.
TaipeiAges 18 years+ - NCT07618000Recruiting
Gut Health Formula Study for Adults with Extra Weight
This study tests a special formula designed to improve your gut bacteria and body composition. Researchers will track how it affects your digestive health and weight distribution over time.
Taipei, TaiwanAges 18–65 - NCT07621237RecruitingPhase 2
TNX-102 SL for Major Depressive Disorder
This study tests whether a new medication called TNX-102 SL can reduce depression symptoms better than a placebo (inactive pill). You'll take the medication daily and have regular check-ins to see how you're doing.
Phoenix, ArizonaAges 18 years+ - NCT07623876RecruitingPhase 2
Medications to ease kidney stone surgery access
This trial tests whether two common medications—tamsulosin and aminophylline—help surgeons access kidney stones more easily during a minimally invasive procedure called retrograde intrarenal surgery (RIRS). The goal is to make the surgery smoother and potentially reduce complications.
Aswān, Aswan GovernorateAges 18 years+ - NCT07633288RecruitingPhase 2
AP1189 Safety and Efficacy for Severe Respiratory Viral Infection
This trial tests whether an experimental drug called AP1189, added to standard hospital care, can help people hospitalized with severe breathing problems from viruses like COVID-19, flu, or RSV. The goal is to see if it reduces the need for mechanical ventilation or other life support.
Mostar, Herzegovina-Neretva CantonAges 18 years+ - 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 - NCT07640438RecruitingPhase 1
Safety Study of New Drug in Healthy Adults
This is a Phase 1 safety study testing a new investigational drug in healthy volunteers with no serious medical conditions. Researchers will give some participants the drug and others a placebo (inactive treatment) to see how safe the drug is and how the body responds to it.
Hangzhou, ZhejiangAges 18 years+ - NCT07642505RecruitingPhase 4
L-Citrulline and Tadalafil for Mild Erectile Dysfunction
This study tests whether two compounds—L-citrulline (a natural amino acid) and tadalafil (a common erectile dysfunction medication)—work well together for men with mild to moderate erectile problems. The goal is to see if this combination safely improves sexual function.
Banī Suwayf, Beni Suweif GovernorateAges 30–70 - NCT07642661RecruitingPhase 2
Folinic Acid for Autism in Young Children
This study tests whether folinic acid (a B-vitamin supplement) can help improve autism symptoms in children ages 3–6. Folinic acid may support brain function, and researchers want to see if it works better than placebo (a dummy pill).
Jerusalem, N/A = Not ApplicableAges 3–6 - NCT07655115RecruitingPhase 3
Arbaclofen for Autism: Brain Wave Study
This study tests a medicine called arbaclofen to see how it affects brain waves in people with autism. It includes a brief double-blind crossover phase followed by a 10-week open-label treatment period.
ParisAges birth–64 years - NCT07669454RecruitingPhase 3
Nuvastatic® for metastatic colorectal cancer
This trial tests a new capsule (Nuvastatic®) added to standard chemotherapy for people with metastatic colorectal cancer. The goal is to see if it helps shrink tumors and improve well-being.
Visakhapatnam, Andhra PradeshAges 18–65 - NCT07633197Enrolling by invitationPhase 1
Testing a new shingles vaccine for adults over 40
This study tests a new vaccine to protect against shingles (herpes zoster), a painful skin infection that can affect people as they age. You would receive the vaccine and be monitored to see if it's safe and how your body responds.
Zhengzhou, HenanAges 40 years+ - NCT07180511Enrolling by invitationPhase 3
A study of QY201 tablets for moderate to severe eczema
This trial tests a new pill called QY201 for people with moderate to severe atopic dermatitis (eczema) that hasn't responded well to creams. It aims to see if QY201 can help control itching and skin inflammation.
Hangzhou, ZhejiangAges 18–75 - NCT07179042Enrolling by invitationEarly Phase 1
Metformin for hip fracture recovery in older adults
This study tests whether the diabetes drug metformin can help older adults recover better after hip fracture surgery. To join, you need to be 60+, have had a low-energy hip fracture fixed within 3 days, and be generally healthy without diabetes or kidney issues.
Salt Lake City, UtahAges 60–90 - NCT07050134Enrolling by invitation
Study of DR10624 for high triglycerides and carotid artery plaque
This trial tests a new drug, DR10624, to see if it can lower high triglycerides and reduce plaque in the carotid artery (the main artery in your neck). It may help people with both conditions who are also overweight.
Hefei, AnhuiAges 18–65 - NCT06537050Enrolling by invitationPhase 1
Safety study of JX2105 in healthy volunteers
This study tests a new oral drug called JX2105 in healthy people to see how safe it is and how the body handles it. It is a first-in-human phase 1 trial, so participants will help find the right dose and check for any side effects.
Beijing, Beijing MunicipalityAges 18–75 - NCT05752032Enrolling by invitation
Long-term follow-up after ICM-203 or placebo treatment
This study checks on people who previously received ICM-203 or a matching placebo. It helps researchers understand the longer-term safety and effects of the treatment over time.
Adelaide, South AustraliaAges 50–80 - NCT05279742Enrolling by invitationPhase 1/Phase 2
Study drug to boost a hormone system in HFpEF
This early-phase trial tests a treatment that aims to improve the “natriuretic peptide” hormone system in people with HFpEF (heart failure with preserved pumping strength). It may help reduce symptoms and improve heart and fluid pressure behavior, especially in certain related conditions like kidney disease.
Rochester, MinnesotaAges 18 years+ - NCT03255408RecruitingPhase 1/Phase 2
Sleep study testing breathing and blood flow in healthy adults
This study looks at how your brain blood flow and breathing change during sleep under normal oxygen and reduced oxygen. It will only include healthy adults so researchers can learn what “intermittent hypoxia” does to the body in people without medical problems.
Calgary, AlbertaAges 18–45 - NCT03234296Enrolling by invitation
Antibiotics versus placebo for uncomplicated appendicitis
This trial tests whether taking antibiotics alone can treat acute uncomplicated appendicitis, compared with a placebo. If antibiotics work, it may help some people avoid surgery or reduce treatment intensity.
TurkuAges 18–60 - NCT05440422RecruitingPhase 2
Anifrolumab for heart and blood vessel health in lupus
This trial tests whether a drug called anifrolumab can improve early signs of heart and blood vessel damage in people with lupus. It may help prevent future heart problems and strokes.
Bethesda, MarylandAges 18–80 - NCT07777328Recruiting
5-HTP for ADHD traits and eye movements in adults
This study looks at how a supplement called 5-HTP (a natural amino acid) affects attention and eye movements in adults. You will receive either 5-HTP or a placebo to see if it changes ADHD-like traits.
Sheffield, South YorkshireAges 18–65 - NCT07645924RecruitingPhase 3
Elismetrep for fast relief of migraine attacks
This trial tests a new oral medication called elismetrep (K-304) for quickly stopping migraine pain and other symptoms. If you have regular migraines, this could offer a new option that works fast when a migraine starts.
Birmingham, AlabamaAges 18–75
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,220 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.