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
- NCT05428228Recruiting
Hydration drink study in healthy adults
This study tests two new hydration drink formulas to see how well they rehydrate healthy adults. It’s mainly about measuring how your body responds after drinking the study products during visits.
Memphis, TennesseeAges 18–35 - NCT05431595RecruitingPhase 2/Phase 3
Test a less sedating plan for agitated delirium in cancer
This study looks at whether using certain sleep/behavior medicines (called neuroleptics) with anti-seizure medicines can calm agitation from delirium without needing as much of the usual “neuroleptic” medicines. It may help people with advanced cancer who are confused and very restless or hard to settle.
Houston, TexasAges 18 years+ - NCT05432479Recruiting
Probiotic study for baby colic crying relief
This trial tests whether a probiotic can reduce symptoms of infantile colic, especially long periods of crying or fussing. If eligible, you’d use a daily crying diary and attend several study visits to see if symptoms improve.
Chicago, IllinoisAges 3 weeks–3 months - NCT05432362Recruiting
Energy sensing brain study in depression and weight groups
This study tests how the brain and body respond to “energy sensing” in people with depression and in people with different body weights. You may be asked to do assessments and follow specific health and diet rules so the researchers can compare groups.
Graz, StyriaAges 18–40 - NCT05432804RecruitingPhase 1/Phase 2
Selinexor added to temozolomide for recurring brain glioblastoma
This trial studies whether adding selinexor to the standard chemotherapy temozolomide (with radiation) can better treat glioblastoma that has come back after prior treatment. If you meet specific tumor, health, and lab requirements, the goal is to slow tumor growth or improve symptoms.
Phoenix, ArizonaAges 18 years+ - NCT05434195Recruiting
Study folate in pregnancies with high blood pressure
This study looks at how a vitamin called tetrahydrofolate may affect pregnancies with preeclampsia or increased risk of high blood pressure. Participants may receive the supplement to help researchers understand key biology and potential benefits or harms.
Oxford, OxfordhsireAges 18–45 - NCT05435781RecruitingPhase 4
Hydrocortisone added during stress in people on low-dose prednisolone
This study tests whether adding supplemental hydrocortisone during stressful events can prevent problems in people who develop adrenal insufficiency from long-term prednisolone. It is meant to see if “stress dosing” is safer and helps the body respond to stress.
AarhusAges 50 years+ - NCT05439902Recruiting
Tamsulosin for painful urination in women with multiple sclerosis
This trial studies whether tamsulosin can improve painful or difficult urination (dysuria) in women who have multiple sclerosis. It focuses on people whose symptoms are linked to bladder coordination problems, with stable ongoing treatment.
NîmesAges 18 years+ - NCT05440227RecruitingPhase 2
PG2 shots to reduce moderate to severe breast cancer fatigue
This Phase 2 trial tests whether PG2 injections can safely reduce moderate to severe fatigue in people receiving chemotherapy for locally advanced, recurrent, or metastatic breast cancer. If you qualify, you may be asked to complete questionnaires and follow study plans for about 8 weeks.
TaipeiAges 20 years+ - NCT05441280RecruitingPhase 2
Pimavanserin to improve sleep in veterans with PTSD
This Phase 2 trial studies pimavanserin, a medicine meant to improve insomnia, in veterans who also have PTSD. It may help reduce problems with falling asleep, staying asleep, or waking too early that affect daytime functioning.
Houston, TexasAges 18–64 - NCT05445791RecruitingPhase 3
Metformin plus targeted lung cancer drugs for EGFR-mutated cancer
This Phase 3 study tests whether adding metformin to standard targeted medicines (tyrosine kinase inhibitors) helps people with EGFR-mutated non-small cell lung cancer. It’s meant for people who haven’t already had EGFR-targeted treatment and who have healthy enough labs and organs to safely take the study medicines.
Mexico CityAges 18 years+ - NCT05445804RecruitingPhase 1
Oral cannabidiol (CBD) to help you quit tobacco
This Phase 1 study tests whether taking oral CBD can help people quit tobacco. It also checks safety and helps researchers learn how people respond to the treatment while they practice quitting.
Baltimore, MarylandAges 18–65 - NCT05448365Recruiting
Vitamins and plant compounds for uterine fibroid symptoms
This trial studies whether a combination of vitamin D, epigallocatechin gallate (a plant compound), D-chiro-inositol, and vitamin B6 can improve symptoms from uterine fibroids. It may help by reducing symptoms such as heavy or irregular bleeding and pelvic pain in people who can undergo surgery.
Francavilla Fontana, ApuliaAges 30–40 - NCT05449522Recruiting
Vitamin D after major trauma in ICU patients
This trial tests whether giving vitamin D to adults in the ICU after major trauma can improve outcomes. It’s meant for people who don’t have certain conditions that raise calcium levels or make feeding with the study plan unsafe.
TaipeiAges 20 years+ - NCT05452564RecruitingPhase 2
Baricitinib to help reduce HIV in the brain
This Phase 2 study tests baricitinib to see if it can lower HIV activity in the brain (CNS) for people already on stable HIV treatment. If you have well-controlled HIV in your blood, this trial looks for additional benefit inside the nervous system.
Atlanta, GeorgiaAges 18–65 - NCT05465031RecruitingPhase 4
Testing heart-protection medicine during breast cancer treatment
This trial tests sacubitril/valsartan to help prevent heart weakness (cardiotoxicity) caused by breast cancer treatments like anthracyclines and/or anti-HER2 drugs. If you qualify, you may be offered this heart-protection medicine while your cancer is treated.
Opole, Opole VoivodeshipAges 18 years+ - NCT05469165RecruitingPhase 2
Testing serotonin blockers after a first heart attack
This Phase 2 trial tests whether blocking serotonin receptors can help after a first heart attack that has caused a specific type of leaking mitral valve problem. It aims to see if the treatment improves heart function and heart-valve measurements while keeping patients safe.
QuébecAges 18–80 - NCT05469854RecruitingPhase 1
Study of linaprazan glurate in healthy volunteers
This study tests a new drug called linaprazan glurate in healthy adults aged 18 to 65. It looks at how the drug moves through your body and if it affects your heart rhythm.
UppsalaAges 18–65 - NCT05473520RecruitingPhase 3
Doxycycline add-on therapy for lung improvement in tuberculosis
This Phase 3 trial tests whether adding doxycycline to standard TB medicine can improve lung function and reduce lung tissue damage. It aims to see if patients recover better by targeting the lung response to TB.
Kota Kinabalu, SabahAges 21 years+ - NCT05474846RecruitingPhase 2/Phase 3
Combination treatment to improve sleep in advanced cancer
This trial tests a combination approach to improve poor sleep in people with advanced cancer. If you qualify, you would answer sleep and symptom questions and may do a structured therapy (CBT) plus follow-up visits.
Houston, TexasAges 18 years+ - NCT05474989RecruitingPhase 2
LSD-assisted therapy for alcohol use disorder
This Phase 2 trial studies whether an LSD treatment approach, combined with study procedures, can help people with moderate-to-severe alcohol use disorder cut down or stop drinking. It may help reset patterns around cravings and drinking, but it also requires careful safety screening.
BaselAges 25 years+ - NCT05477459RecruitingPhase 2
LSD treatment for reducing the burden of cluster headaches
This Phase 2 trial tests LSD to see if it can reduce how much cluster headaches disrupt your life. You may be eligible if your cluster headaches are frequent and steady, and if you meet key safety and mental-health requirements.
LeidenAges 16–75 - NCT05481879RecruitingPhase 1/Phase 2
Study medicine for DM1 to improve muscle function
This early-stage study tests DYNE-101 to see how safe it is and whether it can improve measurable muscle function in people with myotonic dystrophy type 1 (DM1). You may be asked to do several walking and strength tests and undergo heart and breathing screening measurements.
Stanford, CaliforniaAges 18–65 - NCT05484128Recruiting
Probiotic for kids taking acid-reducing medicine
This trial studies whether a specific probiotic (Lactobacillus reuteri) is helpful for children who need acid-reducing medicine for reflux or stomach discomfort. It may help improve stomach symptoms while they are on or need treatment with proton pump inhibitors.
BariAges 1–14
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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.