Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,240 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06359665Enrolling by invitationPhase 1
Oral curcumin for thumb arthritis pain
This trial tests whether an oral curcumin supplement can help reduce pain from thumb arthritis. If you are an adult with daily thumb pain of at least moderate severity and have not taken turmeric or blood thinners, this may be an option for you.
Charlottesville, VirginiaAges 18 years+ - NCT07313020Enrolling by invitationEarly Phase 1
Handheld imaging to track stem cells in knee osteoarthritis
This trial tests a new handheld imaging device (MPI) to track stem cells injected into the knee. It aims to see if the device can safely monitor how the stem cells move and work in people with knee osteoarthritis.
Haikou, HainanAges 18–75 - NCT07599930Recruiting
Novel Snack for Perimenopausal Symptoms and Wellness
This study tests whether a specially designed snack can help reduce hot flashes, night sweats, mood changes, and other symptoms that happen during perimenopause (the years leading up to menopause). You'll eat the snack regularly and answer questions about how you feel.
London, LondonAges 40–55 - NCT06889961Recruiting
Daily mixed spice consumption for memory health
This trial tests whether eating a mix of spices every day can help improve memory in older adults with mild memory changes. If you are between 50 and 80 and have no major health conditions, you may be able to join.
Los Angeles, CaliforniaAges 50–80 - NCT07309315Recruiting
Testing a bacteria pill to prevent diarrhea from chemotherapy
This trial tests if a pill made from a harmless bacteria can prevent diarrhea caused by certain chemotherapy treatments. It is for people with advanced colorectal cancer or breast cancer who are about to start specific treatments.
Shenzhen, GuangdongAges 18 years+ - NCT07309471Recruiting
How DDH-LSD compares to LSD in the body
This study compares a substance called DDH-LSD to LSD to understand how the body processes it. It may help people who are curious about the effects of these substances in a controlled research setting.
BaselAges 18–65 - NCT06798948RecruitingPhase 2
Can a mix of herbs improve mild fatty liver?
This study is testing if a combination of four herbs (artichoke, milk thistle, turmeric, and licorice root) can help people with non-alcoholic mild to moderate fatty liver disease (also called metabolic-associated fatty liver disease). It's a randomized trial, meaning participants are assigned to either the herbal mix or a comparison group. This may offer a natural option to support liver health.
Hangzhou, Select...Ages 18–65 - NCT06328114Enrolling by invitationPhase 2
Brain stimulation for cervical dystonia
This study tests a type of brain stimulation called TMS to see if it can improve neck muscle spasms in people with cervical dystonia. It's for adults who haven't had Botox recently and are not on other treatments.
Durham, North CarolinaAges 18 years+ - 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 - NCT06934278RecruitingPhase 3
Plasma vs salt water for scoliosis surgery in kids
This study compares two types of fluids—one made from donated human blood plasma and one a standard salt-solution—given during scoliosis surgery in children and teenagers. The goal is to see which fluid helps patients recover safely and with fewer complications.
HelsinkiAges 10–21 - NCT07287345RecruitingPhase 4
Colchicine’s effect on inflammation after heart bypass surgery
This trial tests whether the drug colchicine can reduce inflammation after planned coronary artery bypass graft (CABG) surgery. It may help patients recover better by lowering inflammatory markers.
Lexington, KentuckyAges 18–99 - NCT06969872Recruiting
Probiotics for Constipation Relief
This trial tests whether taking probiotics can help relieve constipation in adults. If you have chronic constipation but no serious health issues, you may be able to join.
Taichung, SouthAges 18–75 - NCT04552080RecruitingPhase 4
Antibiotics around sinus and bone graft implants to prevent problems
This trial studies whether taking antibiotics through the body (systemic antibiotics) after sinus-lift and bone-graft dental implant surgery can reduce post-surgery complications and improve patient comfort. It compares outcomes that matter to patients after implant placement using guided bone regeneration and a sinus floor elevation.
GrazAges 21 years+ - NCT06907329Recruiting
NMN supplement trial for middle-aged adults with metabolic issues
This trial tests whether a sustained-release nicotinamide mononucleotide (NMN) supplement can improve immune aging and metabolism in people aged 50-70 who are overweight or have fatty liver, pre-diabetes, or mild type 2 diabetes.
ShanghaiAges 50–70 - NCT06104631Recruiting
Testing a treatment for IBS-like symptoms in Crohn's remission
This study tests whether a new treatment can reduce IBS-like symptoms, such as belly pain and bloating, in people whose Crohn's disease is in remission. It aims to improve your quality of life without targeting active Crohn's inflammation.
LiègeAges 18–75 - NCT06902714RecruitingPhase 3
Tranexamic acid for shoulder replacement recovery
This study tests whether taking an oral medicine called tranexamic acid (TXA) before and after shoulder replacement surgery can reduce bleeding and improve recovery. It is for adults scheduled for a total shoulder replacement who are generally healthy.
Birmingham, AlabamaAges 18–79 - NCT07289776RecruitingPhase 1
Testing a new medicine in healthy volunteers
This first-in-human trial tests a new medicine called GRT7041 in healthy people to see how safe it is and how it works in the body. It helps doctors understand the right dose and any side effects before testing in patients.
ChristchurchAges 18–60 - NCT07282483RecruitingPhase 2
Chinese medicine mouthwash for radiation mouth sores
This trial tests whether a traditional Chinese medicine mouthwash and oral liquid can help prevent or reduce mouth sores caused by radiation therapy for head and neck cancer. If you are getting radiation and are at risk for these painful sores, this study might offer you extra relief.
Chengdu, SichuanAges 18–65 - NCT07172347RecruitingPhase 2
VC005 tablets for non-segmental vitiligo
This trial tests an oral tablet called VC005 to see if it can help treat non-segmental vitiligo. It may be an option for adults with vitiligo patches that are not limited to one area of the body.
Beijing, BeijngAges 18–75 - NCT07172360RecruitingPhase 3
Study of VC005 tablets for active ankylosing spondylitis
This trial tests a new tablet called VC005 to see if it helps reduce pain and stiffness in people with active ankylosing spondylitis. It's a phase 3 study, meaning it's one of the final steps before the drug may be approved for wider use.
Beijing, Beijing MunicipalityAges 18–70 - NCT07592013Enrolling by invitation
Ancestry Supplements for Fatty Liver Disease
This study tests whether a special supplement (made from cacao, nopal, and crickets) can help improve fatty liver disease in people with excess body fat. Fatty liver disease happens when fat builds up in the liver, and this trial investigates whether these natural ingredients can reduce that buildup.
Guadalajara, GuadalajaraAges 18–60 - NCT07178262RecruitingPhase 4
Nerve block to reduce pain medicine after hysterectomy
This study tests whether a nerve block (an injection near the spine) can help reduce the amount of strong pain medicine you need after a hysterectomy. The goal is to see if it leads to fewer side effects and a smoother recovery.
Islamabad, FederalAges 16–80 - NCT06480539RecruitingPhase 4
Dexmedetomidine for Better Sleep After Lung Surgery in Older Adults
This study tests whether giving a medicine called dexmedetomidine at night can help older adults sleep better and feel less tired after lung surgery. If you are 60 or older and having lung surgery through small cuts (thoracoscopy), you may be able to join.
Genk, LimburgAges 60 years+ - NCT05605639RecruitingPhase 4
Study tests a targeted injection for neck pain
This trial studies whether an injection near the phrenic nerve can help people with neck pain. It is only for certain types of neck/diaphragm-related problems and excludes people with nerve, injury, cancer, infection, or autoimmune causes.
Dos Hermanas, SevilleAges 18–64
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,240 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.