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
- NCT06667700RecruitingPhase 3
A study of the antiviral molnupiravir for high-risk people with COVID-19
This study tests an antiviral pill called molnupiravir to see if it can prevent severe COVID-19 in people who are at high risk and cannot take Paxlovid. If you have mild to moderate COVID-19 symptoms and certain health risks, you may be able to join.
Cullman, AlabamaAges 18 years+ - NCT06668714Recruiting
Does lactate affect nutrient absorption and fat storage?
This study tests whether taking lactate (a natural substance) with a meal affects how your body absorbs nutrients and stores fat. It is for people with prediabetes who are not on glucose-lowering medication.
AarhusAges 50 years+ - NCT06671054RecruitingPhase 2
Testing AP1189 for newly diagnosed active rheumatoid arthritis
This study tests an oral drug called AP1189 for people just diagnosed with active rheumatoid arthritis who haven't yet taken standard arthritis medicines. You may be able to take part if your disease is very active and you're ready to try a new treatment option.
Cutler Bay, FloridaAges 18 years+ - NCT06671548RecruitingPhase 3
Study of relugolix for heavy periods from uterine fibroids
This trial tests if relugolix can reduce heavy menstrual bleeding caused by uterine fibroids. It may be an option for women who want to avoid surgery.
BeijingAges 18 years+ - NCT06672237RecruitingPhase 3
Study of NTLA-2001 for hereditary ATTR amyloidosis with nerve damage
This study is testing a new gene-silencing treatment called NTLA-2001 for people with hereditary ATTR amyloidosis that causes nerve damage. It works by stopping the body from making a faulty protein that builds up and harms nerves.
Buenos AiresAges 18–85 - NCT06674252Recruiting
Herbal treatment for symptoms after lung cancer surgery
This study tests whether a modified herbal formula (Bufei Decoction) can help reduce symptoms like cough, fatigue, and shortness of breath in older adults after lung cancer surgery, and whether it improves survival.
Beijing, Beijing MunicipalityAges 65 years+ - NCT06674460RecruitingPhase 3
Edaravone Dexborneol tablet for stroke recovery
This trial tests a new sublingual tablet (Edaravone Dexborneol) to help people recover after a small stroke caused by disease of the small blood vessels in the brain. It aims to see if the drug can improve thinking and daily function.
BeijingAges 30–80 - NCT06676774RecruitingPhase 2
Does oxytocin nasal spray help people with diabetes insipidus?
This study tests if a nasal spray with oxytocin (a natural hormone) can improve emotion recognition and reduce stress-related hormone levels in people with central diabetes insipidus compared to healthy volunteers.
BaselAges 18 years+ - NCT06679062RecruitingPhase 2
Suvorexant for alcohol use disorder and PTSD
This study tests whether the sleep medication suvorexant can help people with both alcohol use disorder and PTSD. If you're struggling with drinking, PTSD symptoms, and poor sleep, this trial may offer a new treatment option.
Los Angeles, CaliforniaAges 21–65 - NCT06679374RecruitingPhase 2
Can varenicline help reduce falls in Parkinson disease?
This phase 2 trial tests a medicine called varenicline (brand name Chantix) to see if it can reduce falls in people with Parkinson disease who also have a specific brain change (loss of a chemical called acetylcholine in the back of the brain) and mild cognitive problems. The study will help determine if this medicine is safe and effective for this group.
Ann Arbor, MichiganAges 45 years+ - NCT06679816RecruitingPhase 4
Hydrocortisone for hormone replacement in large pituitary tumor surgery
This trial tests hydrocortisone as hormone replacement therapy after surgery for large pituitary tumors. It aims to help patients maintain healthy cortisol levels during recovery.
Beijing, Beijing MunicipalityAges 18–70 - NCT06680128RecruitingPhase 1/Phase 2
Testing mRNA Japanese encephalitis vaccines in healthy adults
This trial tests two new mRNA vaccines for Japanese encephalitis, a brain infection spread by mosquitoes. It aims to find the safest and most effective dose in healthy adults, with a first stage in younger adults and a second stage in all adults.
BrisbaneAges 18 years+ - NCT06681012Recruiting
Gelsectan for irritable bowel syndrome with diarrhea
This trial tests a supplement called Gelsectan to see if it reduces diarrhea and belly pain in people with diarrhea-predominant irritable bowel syndrome (IBS-D). It may help if you have loose, urgent stools more often than not.
LeuvenAges 18–65 - NCT06682975RecruitingPhase 1
Safety study of ZP9830 in healthy people
This study tests a new medicine called ZP9830 to see if it is safe for people and how it works in the body. Healthy volunteers aged 18 to 45 can join.
Leiden, CLAges 18–45 - NCT06684106Recruiting
Can a liver medicine protect your blood sugar while on statins?
This study tests if a medicine called ursodeoxycholic acid can help prevent blood sugar rises that statins sometimes cause. It is for people with high cholesterol who have not yet taken a statin, to see if adding this medicine keeps their blood sugar healthy.
Xi'an, ShaanxiAges 18–75 - NCT06684379RecruitingPhase 1/Phase 2
Two Doses of PRS CK STORM for Severe Viral Pneumonia
This study tests a new drug called PRS CK STORM to see if it can safely calm the body's overactive immune response (cytokine storm) in people with severe pneumonia from COVID-19, flu, or RSV who need oxygen. It aims to reduce inflammation and improve recovery.
Alcalá de Henares, MadridAges 18 years+ - NCT06684470RecruitingEarly Phase 1
Combining a low-FODMAP diet with medication for IBS-D
This trial tests if a special diet (low-FODMAP) combined with a medication (mirtazapine) can improve IBS with diarrhea symptoms. It is for adults who have not tried these treatments before.
Jacksonville, FloridaAges 18–70 - NCT06686121RecruitingPhase 3
Improving walking after leg artery surgery for PAD
This trial tests whether drinking beetroot juice and doing home-based exercise can improve walking ability after you've had a procedure to open up blocked leg arteries. It's for people who are ready to start a walking program and want to avoid surgery.
Tucson, ArizonaAges 18 years+ - NCT06686355RecruitingPhase 2
Yiqilishui formula for sepsis-related heart problems
This trial tests a Chinese herbal formula called Yiqilishui in people with sepsis who have developed heart muscle weakness. It aims to see if the formula can help improve heart function.
BeijingAges 50–85 - NCT06686472RecruitingPhase 2
Testing TL-925 eye drops for allergic conjunctivitis
This trial tests an investigational eye drop called TL-925 to see if it can treat allergic conjunctivitis (eye allergies). If you have a history of eye allergies and a positive allergy skin test, you may be able to join.
Memphis, TennesseeAges 18 years+ - NCT06686914RecruitingPhase 1
How CBD affects driving by dose and sex
This study tests how different doses of CBD (a cannabis compound) affect driving ability in healthy adults. It looks at whether men and women react differently, and helps understand if CBD is safe to use before driving.
Morgantown, West VirginiaAges 18–30 - NCT06687057Recruiting
Heart rate training for anxiety and stomach issues
This study tests whether a special breathing and heart-rate training program (called HRV biofeedback) can help people who have both anxiety and a sensitive stomach or bowel (functional gastrointestinal disorder). If you often feel anxious and have belly discomfort without a clear medical cause, this training might improve both your digestion and your mood.
MilanAges 18 years+ - NCT06687265RecruitingPhase 2
Metformin for reducing liver pressure in cirrhosis
This trial tests if metformin can lower the pressure in the liver's blood vessels (portal hypertension) in people with cirrhosis. The goal is to see if it can help reduce complications like swelling or bleeding.
Clichy, FranceAges 18 years+ - NCT06689254RecruitingPhase 2
Testing mifepristone for hard-to-treat PTSD in Dutch adults
This study tests a new medicine (mifepristone) to see if it helps people with PTSD that hasn't improved after standard treatments. You must be fluent in Dutch and have tried at least two PTSD treatments, including trauma-focused therapy.
Amsterdam, North HollandAges 18 years+
Hear when a new Placebo trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
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.