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
- NCT05020028RecruitingPhase 2/Phase 3
CBD to reduce knee pain from osteoarthritis
This study tests cannabidiol (CBD) to help lower pain from knee osteoarthritis. It may be an option if you have ongoing knee pain and meet age, safety, and medication guidelines.
New York, New YorkAges 40–75 - NCT06346093Recruiting
Fecal transplant for advanced stomach cancer
This trial tests whether a fecal transplant (a stool donation from a healthy person) can help patients with advanced stomach cancer respond better to treatment. If you qualify, you would receive the transplant through a colonoscopy, possibly along with other standard therapies.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT06994507RecruitingPhase 3
GM1 to prevent nerve damage from breast cancer chemo
This trial tests whether a drug called GM1 can prevent nerve damage (numbness, tingling, or pain in hands/feet) caused by a common chemotherapy drug used for breast cancer. If you are starting chemotherapy with nab-paclitaxel, this study may help protect your nerves.
BeijingAges 18–75 - NCT07420231Recruiting
Prebiotic and Postbiotic for Digestive Comfort
This trial tests whether taking a prebiotic and a postbiotic together can help reduce intestinal discomfort such as bloating, gas, or stomach pain. If you have ongoing mild to moderate digestive symptoms, this study may offer a new approach to feeling better.
Louvain-la-Neuve, Brabant WallonAges 18–75 - NCT07439744Recruiting
Omega-3 for Depression and Obesity
This study tests whether omega-3 fatty acids can improve depression in people with obesity. It looks at how these healthy fats might reduce inflammation and help mood.
Taichung, TaichungAges 18–54 - NCT07371572RecruitingPhase 3
Steroid Injection for Hand Osteoarthritis
This study tests whether a steroid injection into the muscle can reduce pain and improve hand function in people with hand osteoarthritis. It is for those whose pain is moderate to severe and hasn't been helped enough by standard pain medications.
Ubbergen, GelderlandAges 16 years+ - NCT06562907RecruitingPhase 1
Study of GS-4571 in healthy people, people with obesity, and people with type 2 diabetes
This trial tests an experimental drug called GS-4571 in three groups: healthy individuals, people with obesity (but not diabetes), and people with type 2 diabetes who are not obese. The study aims to see how the drug affects the body and how safe it is.
Miami, FloridaAges 18–55 - NCT07452744Enrolling by invitation
Picroliv for non-alcoholic fatty liver disease
This study tests a plant-based medicine called Picroliv for people with non-alcoholic fatty liver disease (NAFLD). It aims to see if it is safe and can reduce fat in the liver.
Chandigarh, ChandigarhAges 18–60 - NCT06561087RecruitingPhase 2
Nivolumab injection for high-risk mouth lesions
This trial tests whether injecting nivolumab directly into high-risk pre-cancerous mouth spots can prevent them from becoming cancer. You randomly receive either the drug or a placebo, and the study monitors how the spots change over time.
Houston, TexasAges 18 years+ - NCT04927338RecruitingPhase 2
Bacopa supplement study for Gulf War illness symptoms
This trial tests whether Bacopa (a herbal supplement) can improve symptoms of Gulf War Illness (GWI). You may be eligible if you served in the Gulf War and still have ongoing, hard-to-explain fatigue and related symptoms.
Davie, FloridaAges 46–78 - NCT04916613RecruitingPhase 3
ADT plus darolutamide for vulnerable newly metastatic prostate cancer
This trial studies whether adding darolutamide to standard hormone therapy (ADT) helps men with newly diagnosed metastatic prostate cancer who are physically vulnerable. It aims to control the cancer better while checking safety and how well treatment is tolerated in this group.
CharleroiAges 18 years+ - NCT07427680RecruitingPhase 1/Phase 2
Study of TGM-312-SC01 for MASH patients
This trial tests a new drug called TGM-312-SC01 to see if it can help people with MASH (a type of fatty liver disease that causes inflammation and damage). It is for adults aged 18 to 70 who are otherwise healthy or have MASH.
LondonAges 18–70 - NCT07355634Recruiting
Terraflora daily care for gut health
This trial tests if a daily probiotic supplement, Terraflora, can improve gut health in people with an imbalance of gut bacteria (dysbiosis). You may join if you're an adult with a stool test showing dysbiosis and are not taking certain other medications or supplements.
Richmond, VirginiaAges 25 years+ - NCT06989853RecruitingEarly Phase 1
Testing troriluzole for methamphetamine use disorder
This study tests whether a medication called troriluzole can help people who use methamphetamine. If you have methamphetamine use disorder and are not seeking treatment right now, this study may be an option for you.
Lexington, KentuckyAges 18–55 - NCT06367283RecruitingPhase 3
Metformin for treating hand osteoarthritis pain
This study tests whether metformin, a common diabetes medication, can reduce pain in hand osteoarthritis. You may be eligible if your hand pain is moderate to severe and you haven't taken metformin before.
Copenhagen, FrederiksbergAges 18 years+ - NCT05967299RecruitingPhase 1
IV ZMA001 study in healthy adults
This Phase 1 trial tests how an IV medicine called ZMA001 behaves in healthy people and checks for early safety. It may help future studies of the drug by confirming dosing and effects in people before testing in patients.
Bethesda, MarylandAges 18–60 - NCT06918808RecruitingPhase 2
Stem cell therapy for Crohn's fistula healing
This trial tests if a special stem cell treatment (called DB-3Q bmMSC-EVs) can help heal fistulas caused by Crohn's disease. It's for people who have already tried other treatments and still have actively draining fistulas.
Aurora, ColoradoAges 18–75 - NCT06546189Recruiting
Probiotics for overactive bladder treatment
This study tests whether a daily probiotic supplement (Lactobacillus) can help reduce overactive bladder symptoms. It compares the supplement to a placebo in a randomized trial.
ViennaAges 18 years+ - NCT06058546RecruitingPhase 2
Jiuweihuaban pill for plaque psoriasis
This trial tests a Chinese herbal pill for people with mild-to-moderate plaque psoriasis. The pill is meant to reduce redness, scaling, and inflammation by targeting a specific pattern in traditional Chinese medicine.
BeijingAges 18–65 - NCT06488001RecruitingPhase 2
Preventing nausea after gynecologic surgery with pantoprazole
This trial tests if giving pantoprazole before surgery can reduce nausea and vomiting after gynecologic procedures. It may help patients who are having gynecologic surgery under general anesthesia.
Portsmouth, VirginiaAges 18–79 - NCT06790537RecruitingPhase 4
Pregabalin for itching in diabetes: a controlled study
This trial tests if pregabalin can reduce chronic itching in people with type 2 diabetes. It compares pregabalin against a placebo (inactive pill) to see if itching improves more with the active drug.
Chandigarh, ChandigarhAges 18 years+ - NCT06489327Recruiting
Melatonin before surgery for children
This trial tests two different doses of oral melatonin (a natural sleep hormone) given to children before surgery to help them relax. It may help your child feel calmer before their procedure.
Cairo, Cairo GovernorateAges 4–10 - NCT07325643Recruiting
Toothpaste and mouthwash to prevent white spots during braces
This study tests if a special toothpaste and mouthwash can stop white spots from forming on teeth while you have braces. It is for people starting orthodontic treatment who have healthy teeth and gums.
BaghdadAges Any age - NCT06338995RecruitingPhase 3
Lebrikizumab for nasal polyps and sinusitis
This trial tests a new injectable medicine (lebrikizumab) for people with chronic sinusitis and nasal polyps that steroid treatments haven't controlled. It aims to reduce polyp size and improve breathing, smell, and congestion.
Birmingham, AlabamaAges 12 years+
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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.