Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,189 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06725095Enrolling by invitation
Enamel gel for gum inflammation around dental implants
This study tests whether a special enamel gel can reduce inflammation around dental implants. It might help if your implant has bleeding gums but no deeper infection.
Catania, CtAges 18–75 - NCT06719752Enrolling by invitation
Diagonal Mobilization Effects in Young Soccer Players
This study looks at how a treatment called diagonal mobilization affects teenagers who play soccer. It checks if this approach helps lower the chance of injury.
GdanskAges 14–16 - NCT06699654Enrolling by invitation
Spirulina gel for gum disease treatment
This trial tests if a gel made from spirulina can help treat mild-to-moderate gum disease (periodontitis). You may be a good fit if your gum disease is at a specific stage and you are otherwise healthy.
El-Sheikh Zayed City, Cairo GovernorateAges Any age - NCT06669741Enrolling by invitation
Wearable device for recovery after rotator cuff repair
This study tests whether a special wearable device (Incrediwear) can help you recover faster after rotator cuff repair surgery. It compares recovery outcomes for people who use the device after their shoulder surgery.
Denton, TexasAges 18–75 - NCT06668376Enrolling by invitation
Incrediwear recovery products after ACL repair surgery
This study is testing Incrediwear recovery products (like sleeves or wraps) to see if they help reduce pain and swelling and improve healing after ACL repair. If you're having ACL surgery and meet the health requirements, you may be able to join.
Denton, TexasAges 18–65 - NCT06658821Enrolling by invitation
Study of LDL557 for knee arthritis in older adults
This trial tests whether a supplement called LDL557 can improve early-stage knee arthritis in people over 65. It aims to reduce pain and slow joint damage.
TaichungAges 45–80 - NCT06639126Enrolling by invitation
Thyme extract for functional gut issues
This trial tests whether a wild thyme extract can help with functional gastrointestinal disorders (common digestive problems without a clear cause). It focuses on the extract's anti-inflammatory and metabolism-related effects.
Granada, GranadaAges 18–75 - NCT06637254Enrolling by invitationPhase 2
Testing an oral tablet for hard-to-control asthma
This study tests an oral tablet (HSK31858) to see if it helps control asthma in people whose asthma is not well managed with current inhalers. It focuses on those with a specific type of asthma where certain blood cells are low.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06623227Enrolling by invitation
Antioxidant supplement study for children with autism
This study tests whether an antioxidant supplement (something that fights cell damage) can help children with autism. It lasts 3 months and requires that the child stays on their current treatments without changes.
Makassar, South SulawesiAges 3–9 - NCT06618820Enrolling by invitationPhase 3
Extended tranexamic acid after knee replacement
This trial tests whether taking tranexamic acid (a medicine that helps blood clot) for several days after knee replacement surgery reduces bleeding and improves recovery. It may help patients who have a standard knee replacement and are not on blood thinners.
Germantown, TennesseeAges 18 years+ - NCT06590077Enrolling by invitation
Aromatherapy for relaxation after gynecologic cancer treatment
This study tests whether using pleasant scents like lavender or chamomile (aromatherapy) can help women feel more relaxed and improve their wellbeing after finishing treatment for a gynecologic cancer.
Dublin, DublinAges 18 years+ - NCT06560879Enrolling by invitationPhase 2
Probiotics to prevent stomach problems in children with leukemia
This trial tests whether probiotics can help prevent stomach and gut side effects from chemotherapy in children with leukemia. If your child is between 6 and 17, in the right phase of treatment, and doesn't have any major gut issues, they may be eligible.
Mexico City, CoyoacanAges 6–17 - NCT06533878Enrolling by invitationPhase 1
Safety of HY209 in healthy volunteers
This study tests the safety and tolerability of a new medication called HY209 in healthy volunteers. It helps researchers understand how the drug affects the body and if it causes any side effects.
Anyang-si, Gyeonggi-doAges 19–45 - NCT06524388Enrolling by invitation
Cognitive training study for older adults with diabetes
This study tests if a special computer-based brain training program can help improve thinking and memory in older adults with diabetes who are at risk for dementia. It might help keep your mind sharp as you age.
BeijingAges 60 years+ - NCT06512922Enrolling by invitation
Cognitive training for older adults with high blood pressure
This trial tests whether a special computer-based brain training program can help older adults with high blood pressure think more clearly. It is done in your local community and aims to find a way to keep your mind sharp as you age.
Beijing, ShijingshanAges 60 years+ - NCT06512818Enrolling by invitationPhase 1/Phase 2
Testing Psiguavin for weight loss in obesity
This study tests a natural supplement made from guava (called Psiguavin) to see if it helps with weight loss in people who are overweight or have obesity. Participants will take the supplement and be monitored for weight changes and safety.
MurciaAges 18–65 - NCT06500104Enrolling by invitation
Kefir for Childhood Obesity: A Trial
This trial tests whether a probiotic drink called kefir (a fermented milk beverage) can help children and teens with obesity lose weight or improve their health. It's for children who are significantly above a healthy weight and don't have other serious medical conditions or dairy allergies.
TaichungAges 7–17 - NCT06485349Enrolling by invitation
Olive leaf extract for anxiety and weight in women
This study tests whether an olive leaf extract can help with mild anxiety and weight management in women who are overweight or have moderate obesity. Participants take the extract or a placebo daily for a period, and their anxiety levels, inflammation, and weight are tracked.
Guadalajara, JaliscoAges 18–40 - NCT06432452Enrolling by invitationPhase 2/Phase 3
Testing a new drug for coronary artery spasm
This trial tests a drug that blocks certain receptors to see if it reduces chest pain caused by coronary artery spasm. If you have frequent angina despite current treatments, this study may offer a new option.
Eindhoven, North BrabantAges 18 years+ - NCT06306274Enrolling by invitationPhase 2/Phase 3
Tacrolimus cream for breast cancer-related lymphedema
This study tests if a cream called tacrolimus can help reduce swelling in the arm caused by breast cancer treatment (lymphedema). It is looking for women with mild to moderate swelling that has not yet caused severe skin changes.
OdenseAges 18 years+ - NCT06306157Enrolling by invitationPhase 4
Low dose naltrexone for complex regional pain syndrome
This trial tests whether a low dose of naltrexone, a medication that may help calm overactive immune and pain signals, can reduce pain and improve daily life in people with complex regional pain syndrome (CRPS), a chronic condition that often causes severe pain and swelling.
New York, New YorkAges 18–85 - NCT06225388Enrolling by invitation
Do compression socks help runners feel less sore?
This study tests whether wearing a compression sock while running can reduce muscle soreness after a run. It may help distance runners recover faster.
Rio de JaneiroAges 18–50 - NCT06195982Enrolling by invitationPhase 2
Ketone supplement for heart failure with reduced pumping ability
This trial tests whether a ketone supplement can improve heart function and exercise ability in people with heart failure and a reduced ejection fraction. It may help you feel better during daily activities.
Durham, North CarolinaAges 18 years+ - NCT06173973Enrolling by invitationPhase 2/Phase 3
Ketone supplement for alcohol withdrawal symptoms
This study tests whether a special supplement (ketones) can help people feel better during alcohol withdrawal. It is for adults who are already in a treatment program for alcohol withdrawal.
Philadelphia, PennsylvaniaAges 18–75
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,189 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.