Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,245 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06027099RecruitingPhase 3
Testing tizanidine to help reduce opioids after surgery
This study tests whether adding a low-dose muscle relaxant (tizanidine) to your pain plan after surgery can help you safely lower your opioid use. It's for people who have been on long-term opioids and are having surgery at specific hospitals.
Stanford, CaliforniaAges 18–75 - NCT06027554RecruitingPhase 2
MitoQ for frailty, walking, memory, and blood flow in older adults
This trial tests whether a supplement called MitoQ can improve blood vessel health, walking speed, and thinking skills in older adults who are frail or have mild memory problems. It aims to see if MitoQ helps maintain independence and quality of life.
Farmington, ConnecticutAges 65–80 - NCT06029972RecruitingPhase 2
Experimental drug for moderate to severe ulcerative colitis
This trial tests an experimental medication (tilpisertib fosmecarbil) for people with moderate to severe ulcerative colitis who have already tried at least one advanced therapy but it didn't work well enough. The study aims to see if this new drug can help reduce inflammation and improve symptoms.
Sun City, ArizonaAges 18–75 - NCT06030362Recruiting
Probiotic study for weight and gut health in adults
This study tests whether taking a probiotic supplement can help with weight management and gut health in adults with overweight or obesity. You may be able to join if you are between 18 and 50, have a BMI of 25 to 40, and are generally healthy.
Los Angeles, CaliforniaAges 18–50 - NCT06030843RecruitingPhase 2/Phase 3
Testing empagliflozin for heart and kidney health
This trial tests if the drug empagliflozin can improve kidney function in people hospitalized with heart failure who also develop acute kidney injury. It may help protect the kidneys while treating the heart condition.
Bangkok, PathumwanAges 18 years+ - NCT06032923RecruitingPhase 1/Phase 2
Does vitamin B3 boost help lupus symptoms?
This study tests whether a form of vitamin B3, called nicotinamide riboside, can improve immune function and reduce inflammation in women with mild to moderate lupus. It may help understand if boosting NAD+ levels offers a new way to manage the disease.
Bethesda, MarylandAges 18–120 - NCT06033131RecruitingPhase 3
Metformin to help prolong pregnancy in preterm preeclampsia
This trial tests whether metformin, a common diabetes medication, can help women with preeclampsia stay pregnant longer before delivery. If you have been diagnosed with preeclampsia and your doctors are monitoring you without immediate delivery, this study might be an option.
HelsinkiAges 18 years+ - NCT06036004RecruitingPhase 2
Oxytocin therapy for anxiety in diabetes insipidus
This trial tests whether oxytocin, a hormone that helps with social bonding and stress, can improve anxiety or emotional awareness in people with central diabetes insipidus (a condition where the body can't regulate water balance). It may be a good fit if you have high anxiety or trouble identifying your feelings.
BerlinAges 18 years+ - NCT06039644Recruiting
Probiotics for breast cancer patients on chemotherapy
This trial tests whether taking a probiotic supplement can help breast cancer patients going through chemotherapy. If you are between 20 and 80 years old, have stage I-III breast cancer, and are receiving certain chemo drugs, this study may be for you.
TaipeiAges 20–80 - NCT06040268RecruitingPhase 1/Phase 2
Advair study for HAPE risk and healthy volunteers
This trial tests if Advair HFA affects how likely someone is to develop High Altitude Pulmonary Edema (HAPE), a serious lung condition at high altitudes. It compares people who are prone to HAPE, those who are resistant, and healthy controls.
Aurora, ColoradoAges 18–50 - NCT06042699Recruiting
Iron deficiency and scoliosis study for teens and young adults
This study tests whether giving iron supplements before spinal fusion surgery can help kids with low iron levels. It aims to understand iron deficiency in young people with scoliosis and improve their surgical outcomes.
New York, New YorkAges 10–26 - NCT06044935Recruiting
Nicotinamide riboside for fat burning and metabolism
This study tests whether a supplement called nicotinamide riboside (a form of vitamin B3) helps the body burn fat more efficiently during exercise. It may be a good option if you are overweight or have a specific type of diabetes (MODY2) and want to see if a natural supplement can boost your metabolism.
Bethesda, MarylandAges 18–65 - NCT06045936RecruitingPhase 4
Nerve block for phantom limb pain
This study tests whether a nerve block in the remaining part of your leg can help reduce phantom limb pain or pain in the residual limb. It is for people who have had an amputation more than a year ago and still have pain despite trying other treatments.
Mankato, MinnesotaAges 18 years+ - NCT06047262RecruitingPhase 2
Testing dapansutrile for type 2 diabetes and related problems
This trial tests if a drug called dapansutrile can help control blood sugar and reduce inflammation in people with type 2 diabetes. It may also help prevent or manage diabetes-related complications.
LiègeAges 18–75 - NCT06048380RecruitingPhase 3
Ripasudil drops for FED patients having cataract surgery
This trial tests if ripasudil eye drops can help people with Fuchs' endothelial dystrophy (FED) during and after cataract surgery. It aims to see if the drops protect the eye's inner layer and improve recovery.
Singapore, SingaporeAges 50–100 - NCT06050148RecruitingPhase 2/Phase 3
Fecal Transplant to Prevent Repeat Urinary Tract Infections
This trial tests whether a fecal microbiota transplant (a procedure that transfers healthy bacteria from a donor's stool into your gut) can help prevent repeat urinary tract infections in women who have frequent infections.
HelsinkiAges 18–90 - NCT06051240RecruitingPhase 2
Lithium to prevent thinking problems after brain radiation
This study tests if the drug lithium can help prevent memory and thinking problems that sometimes happen after brain radiation for a brain tumor. You may qualify if you are under 18 when treated and had radiation within the last 7 years.
Solna, Stockholm CountyAges 5 years+ - NCT06052163RecruitingPhase 2
Testing bumetanide for early Alzheimer's disease
This study tests whether a water pill called bumetanide can help people with early Alzheimer's disease. It involves taking the study drug, having MRI scans, and doing memory tests to see if it slows down symptoms.
Stanford, CaliforniaAges 50–85 - NCT06054035RecruitingPhase 4
SGLT2 inhibitor for prediabetes complications
This trial tests if a drug called dapagliflozin (an SGLT2 inhibitor) can help prevent complications in people with prediabetes when added to lifestyle changes. It aims to see if this approach works better than lifestyle changes alone.
BerlinAges 35–75 - NCT06053580RecruitingPhase 2
Valsartan for pulmonary hypertension: protection study
This trial tests whether a blood pressure medicine called valsartan can help protect the lungs and heart in people with a specific type of pulmonary hypertension (Group 1 PAH). If you have PAH and are stable enough to walk 50 meters, you may be able to join.
Seattle, WashingtonAges 18–80 - NCT06054633Recruiting
L-arginine for knee osteoarthritis pain
This study tests whether L-arginine, a natural amino acid, can help with knee pain from osteoarthritis. You might be eligible if you are 40–80 years old, have moderate osteoarthritis on X-ray, and have had knee pain for at least 3 months.
Changsha, HunanAges 40–80 - NCT06055179Recruiting
Herbal medicine for diarrhea from irinotecan chemo
This study tests if a Chinese herbal formula (XCHT) can reduce diarrhea caused by the chemo drug irinotecan. If you are getting irinotecan and already had troublesome diarrhea, you may be able to join and get supportive treatment.
Guangzhou, GuangdongAges 18–75 - NCT06055361RecruitingPhase 1
Studying a new injection for moderate to severe eczema
This trial tests an investigational drug called BxC-I17e, given as an injection under the skin, for people with moderate to severe atopic dermatitis (eczema) that hasn't improved enough with standard creams. The goal is to see if it is safe and works well.
North Little Rock, ArkansasAges 18 years+ - NCT06055452RecruitingPhase 4
SGLT2 Inhibitors for Pre-Heart Failure with Hypertension
This trial tests if a medicine (SGLT2 inhibitor) given to people with high blood pressure and early signs of heart stress can help prevent heart failure. You may join if your blood pressure is controlled but tests show your heart is beginning to struggle.
Beijing, Beijing MunicipalityAges 18 years+
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,245 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.