Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,962 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05412381RecruitingPhase 3
PRP after ACL injury to help prevent knee arthritis
This study tests whether PRP (platelet-rich plasma) given after an ACL injury and surgery can lower the chance of developing long-term knee arthritis. It may help protect the knee over time by targeting early healing after ACL reconstruction.
New York, New YorkAges 14–50 - NCT05418010RecruitingPhase 2
Natalizumab treatment for early multiple sclerosis-like symptoms
This Phase 2 study tests natalizumab to treat people who have had a first episode of symptoms suggestive of multiple sclerosis. It aims to see whether the treatment can help after early “demyelination” changes are seen on brain MRI.
LondonAges 18–55 - NCT05421325RecruitingPhase 2
Vaccine-like immune treatment to prevent lung infections in seniors
This Phase 2 study tests a site-specific immune “booster” in people age 65 and older to help improve natural immunity and reduce respiratory (lung/airway) infections. You may be eligible if you can consent, are in an eligible living situation, and are not currently using certain immune-suppressing medicines.
Burnaby, British ColumbiaAges 65 years+ - NCT05422534RecruitingPhase 3
CoQ10 plus exercise for people with advanced kidney disease
This trial tests whether a supplement called CoQ10, along with supervised exercise, can improve how the body uses energy in people on chronic dialysis. It may help with muscle function and overall health if your heart and dialysis situation are stable enough.
Sacramento, CaliforniaAges 18–75 - NCT05422911RecruitingPhase 2
Abiraterone, enzalutamide, or apalutamide for early castration prostate cancer
This Phase 2 trial tests whether abiraterone, enzalutamide, or apalutamide can work better (or differently) in men with prostate cancer that is considered “castration-sensitive.” It compares these hormone-blocking treatments to find an approach that controls the cancer more effectively and safely.
Los Angeles, CaliforniaAges 18 years+ - NCT05426044RecruitingPhase 2
Metformin to protect the optic nerve in glaucoma
This study tests whether metformin can slow damage to the optic nerve in people with glaucoma. It uses eye scans and vision tests to look for changes over time, aiming to help preserve sight.
Wong Chuk HangAges 18 years+ - NCT05427084RecruitingPhase 2/Phase 3
Canagliflozin to reduce inflammation in heart artery disease
This trial tests canagliflozin to see if it lowers “vascular inflammation” in people with diabetes and stable coronary artery disease. It may help reduce harmful inflammation signals that can raise future heart risk.
Ottawa, OntarioAges 18 years+ - 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 - NCT05432466RecruitingPhase 3
Celiprolol vs placebo for vascular Ehlers-Danlos heart vessel fragility
This Phase 3 study compares celiprolol (a blood vessel–related medicine) versus placebo to see which better reduces vascular risks in people with vascular Ehlers-Danlos syndrome. It requires confirmed COL3A1 genetic findings and specific imaging before starting.
Culver City, CaliforniaAges 15–64 - 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 - 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+ - 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+ - 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 - 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+ - 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+
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,962 recruiting placebo - control 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 - control 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 - control 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.