Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,904 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07621237RecruitingPhase 2
TNX-102 SL for Major Depressive Disorder
This study tests whether a new medication called TNX-102 SL can reduce depression symptoms better than a placebo (inactive pill). You'll take the medication daily and have regular check-ins to see how you're doing.
Phoenix, ArizonaAges 18 years+ - NCT07626437RecruitingPhase 3
Cold and Flu Symptom Relief Medicine Trial
This study tests a combination medicine containing pain reliever, caffeine, and allergy medication to help ease nasal congestion and other cold or flu symptoms. You'd take the medicine for a short period and report how well it works.
Belo Horizonte, Minas GeraisAges 18–60 - NCT06696703Recruiting
Human urinary kallidinogenase for acute ischemic stroke
This trial tests whether a medicine called human urinary kallidinogenase can reduce inflammation after a stroke. It may help people who have had a first or recent stroke and have certain levels of disability.
Harbin, HeilongjiangAges 18 years+ - NCT07627893RecruitingPhase 2/Phase 3
Herbal supplement added to rheumatoid arthritis treatment
This trial tests whether a traditional Chinese herbal medicine, combined with your current rheumatoid arthritis medications, can reduce joint pain and swelling better than your current treatment alone. The study involves 6–12 months of treatment and regular check-ins with the research team.
SingaporeAges 21–70 - NCT07625007Recruiting
Shortwave Therapy for Diabetic Nerve Pain
This trial tests a shortwave treatment to relieve pain and other nerve symptoms in people with diabetic peripheral neuropathy (nerve damage from diabetes). It is for adults who have not found enough relief from standard nerve medications.
ChongqingAges 18–85 - NCT07623135RecruitingPhase 3
Lumateperone for Hard-to-Treat Depression in Older Adults
This study tests lumateperone, a new medication added to your current antidepressant, to help treat depression that hasn't improved with other treatments. It's designed for people age 60 and older who have tried at least two antidepressants without success.
Tucson, ArizonaAges 60 years+ - NCT07625202Recruiting
Creatine Supplements During GLP-1 Weight-Loss Therapy
This trial tests whether adding creatine (a natural muscle-building supplement) helps preserve muscle and strength while taking GLP-1 medications like Ozempic or Wegovy. These medications help with weight loss but can sometimes cause muscle loss, so researchers want to see if creatine prevents that.
Saskatoon, SK - SaskatchewanAges 18 years+ - NCT07625358Recruiting
How Caffeine and Alcohol Affect Your Eyes
This study measures how caffeine and alcohol change the size of your pupils (the dark circles in your eyes). Researchers want to understand how these common substances affect your eye's natural responses, which could help with vision and neurological research.
SingaporeAges 30–50 - NCT07623876RecruitingPhase 2
Medications to ease kidney stone surgery access
This trial tests whether two common medications—tamsulosin and aminophylline—help surgeons access kidney stones more easily during a minimally invasive procedure called retrograde intrarenal surgery (RIRS). The goal is to make the surgery smoother and potentially reduce complications.
Aswān, Aswan GovernorateAges 18 years+ - NCT07620587Recruiting
How hormones affect appetite and energy in healthy young adults
This study examines how estradiol and progesterone (two female hormones) influence hunger, appetite, and how your body uses energy. Understanding this connection may help explain why appetite and energy levels change throughout the menstrual cycle.
Waterloo, OntarioAges 18–30 - NCT06697886RecruitingPhase 3
Antiwei Granules for Common Cold
This trial tests Antiwei Granules for treating the common cold. It looks for adults aged 18 to 65 who started having cold symptoms within the past 48 hours and have a mild fever.
BeijingAges 18–65 - NCT06000956RecruitingPhase 3
Jitongning tablets for active spondyloarthritis
This trial tests a Chinese herbal tablet called Jitongning against a placebo to see if it can improve overall symptoms in people with active axial osteoarthritis. You may be eligible if your arthritis is active, you have a specific genetic marker (HLA-B27 positive), and your inflammation levels are high.
Beijing, Beijing MunicipalityAges 18–65 - NCT06699420RecruitingPhase 4
Qishenyiqi pill for small vessel heart disease
This trial tests if a Chinese herbal pill called Qishenyiqi can help people with chest pain caused by tiny heart blood vessels that are too tight. It may be an option if standard tests show your heart vessels are mostly clear but your blood flow is reduced.
Jinan, ShandongAges 40–75 - NCT06697106Recruiting
Can an anti-inflammatory drug prevent urethral stricture recurrence?
This trial tests if taking a COX-2 inhibitor (a type of anti-inflammatory) after a procedure to widen a narrowed urethra can lower the chances of the narrowing coming back. It may help men with a short first-time stricture.
New Valley, New Valley GovernorateAges 18 years+ - NCT06701396RecruitingPhase 3
Tasimelteon for delayed sleep phase disorder with genetic variant
This study tests a new sleep medication called tasimelteon compared to a placebo (inactive treatment) for people with a specific sleep disorder linked to a genetic change in the body's internal clock. If you have Delayed Sleep-Wake Phase Disorder and carry the CRY1Δ11 variant, this trial may help improve your sleep timing.
Çankaya, AnkaraAges 18–75 - NCT07615595Enrolling by invitationPhase 4
Dexamethasone to reduce side effects from spinal anesthesia during cesarean delivery
This study tests whether giving a steroid medication (dexamethasone) before spinal anesthesia can reduce uncomfortable side effects like nausea, vomiting, and low blood pressure during planned cesarean delivery. The goal is to help you feel better during and after your surgery.
Ho Chi Minh City, Ho Chi MinhAges 18 years+ - NCT07614698Recruiting
Testing a peptide cream for healthy skin recovery
This study tests whether a peptide-based cream (a product containing small protein fragments) helps healthy skin recover better. Researchers will apply it to your forearm and measure how your skin responds over time.
SplitAges 18–50 - NCT07612449Recruiting
Percepta for Cognitive Optimization
This study tests whether Percepta, combined with wearable ring tracking, can help improve memory and thinking skills in people with mild cognitive concerns. You'll use an Oura Ring to track health data and complete app-based surveys to see if the treatment helps your cognitive function.
Wilmington, DelawareAges 40–85 - NCT07619482Enrolling by invitationPhase 1/Phase 2
Insulin eye drops for glaucoma
This study tests whether insulin eye drops can help people with glaucoma by protecting the optic nerve. It is an early-stage trial that may offer a new way to manage the condition.
Palo Alto, CaliforniaAges 18–90 - NCT07617896RecruitingPhase 2
Aminophylline to help remove kidney stones in children
This trial tests whether a medication called aminophylline, placed directly in the bladder during surgery, helps doctors access and remove small stones stuck in the lower ureter (the tube that carries urine from the kidney). It's designed for children whose ureter is difficult to reach during the initial procedure.
Banī Suwayf, Beni Suweif GovernorateAges 2–18 - NCT07617948RecruitingPhase 2
Aminophylline injection to help place ureteral stent for kidney stone blockage
This trial tests whether injecting aminophylline (a medication that relaxes muscles) into the bladder can help doctors place a stent (small tube) to relieve a blocked ureter caused by a kidney stone. The goal is to improve kidney function when one kidney is blocked and not working.
Banī Suwayf, Beni Suweif GovernorateAges 18 years+ - NCT07619560Recruiting
Probiotic Cocktail to Slow Early Parkinson's Disease
This study tests whether a special blend of probiotics (good bacteria), an amino acid called tryptophan, and branched-chain amino acids can help slow the progression of early-stage Parkinson's disease. The idea is that these supplements may work through your gut bacteria to help protect your brain.
TaipeiAges 30–85 - NCT07614425Recruiting
Surgery for Carpal Tunnel Syndrome Study
This study tests surgical treatment for carpal tunnel syndrome—a condition where a nerve in your wrist gets compressed, causing numbness, tingling, or pain in your hand. You may qualify if you have confirmed carpal tunnel syndrome and conservative treatments like splints haven't helped.
HelsinkiAges 18–75 - NCT07618000Recruiting
Gut Health Formula Study for Adults with Extra Weight
This study tests a special formula designed to improve your gut bacteria and body composition. Researchers will track how it affects your digestive health and weight distribution over time.
Taipei, TaiwanAges 18–65
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,904 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.