Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,902 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06334172Recruiting
Can oxytocin control blood sugar?
This trial tests if the hormone oxytocin helps control blood sugar levels. It may offer insight into new ways to manage glucose. You may be a good fit if you are a healthy adult with a normal BMI.
Hellerup, Capital RegionAges 20–50 - NCT05625633RecruitingPhase 2/Phase 3
HPV vaccine vs placebo for stubborn skin warts
This study tests whether an HPV vaccine can help shrink or clear cutaneous (skin) warts that have not responded to prior treatments. Participants get the study vaccine or a placebo to compare results and safety.
Salt Lake City, UtahAges 18 years+ - NCT05654753RecruitingPhase 2/Phase 3
Fecal transplant for stubborn axial spondyloarthritis
This trial tests whether transplanting healthy stool bacteria (fecal microbiota transplantation) can reduce symptoms in people with axial spondyloarthritis (including ankylosing spondylitis) who are not improving enough with standard medicines. If you qualify, you may receive study capsules containing processed bacteria and be closely monitored for safety and symptom changes.
Boulogne-BillancourtAges 18–75 - NCT06360965Recruiting
Acupoint patch for pelvic pain after PID
This trial tests a skin patch treatment (acupoint application) placed on specific points of the body to help relieve ongoing pelvic pain from pelvic inflammatory disease. It may be a good option if you have moderate pain and ultrasound findings of tubal thickening or fluid.
BeijingAges 18–50 - NCT06051240RecruitingPhase 2
Lithium to prevent thinking problems after brain radiation
This study tests if the drug lithium can help prevent memory and thinking problems that sometimes happen after brain radiation for a brain tumor. You may qualify if you are under 18 when treated and had radiation within the last 7 years.
Solna, Stockholm CountyAges 5 years+ - NCT02897700RecruitingPhase 1
Testing chemotherapy choices for early breast cancer after surgery
This Phase 1 study tests different chemotherapy approaches in people with breast cancer that has been surgically removed but is early stage. It aims to find a chemotherapy plan that’s safe and works well right after surgery.
Ganzhou, JiangxiAges 18 years+ - NCT02889666RecruitingPhase 1
Chemo plus surgery for recurrent lung cancer
This Phase 1 trial tests whether giving chemotherapy along with surgery is safe and tolerable for people with recurrent non-small cell lung cancer. It may help guide future treatment for cancer that has returned, especially if it has not spread to distant sites.
Changchun, JilinAges 18–75 - NCT06009874Recruiting
SGLT2 inhibitor early after heart attack to protect the heart
This study tests whether giving an SGLT2 inhibitor (a diabetes medicine that may also protect the heart) early after a heart attack can help shield the heart from damage. It is for people having a first-time STEMI heart attack who have adequate kidney function and stable blood pressure.
Shibīn al Kawm, MenofiaAges 18–80 - NCT06390696Recruiting
Sand play for eczema: a biodiversity study
This study looks at whether playing in sand with different types of natural materials (to increase your contact with harmless microbes) can improve eczema symptoms. You would stop using your usual eczema creams during the trial to see if the sand play alone helps.
Helsinki, UusimaaAges 2–5 - NCT05797831RecruitingPhase 2/Phase 3
Maintenance treatment for TP53-wildtype endometrial cancer
This trial tests navtemadlin as a maintenance (ongoing) treatment to help prevent endometrial cancer from coming back after chemotherapy works. It is mainly for people whose cancer has certain genetic features (TP53 “wildtype”) and who had a strong response to first-line taxane–platinum chemo.
Vallejo, CaliforniaAges 18 years+ - NCT06405776Recruiting
Lidocaine for pain and survival after bowel surgery in older adults
This study tests whether a drug called lidocaine, given during surgery, can help control pain after colon or rectal surgery and possibly improve long-term survival in older adults. The goal is to see if lidocaine offers better pain relief and recovery compared to standard care.
SichuanAges 60 years+ - NCT04186286RecruitingPhase 2
Testing propranolol vs ivabradine for POTS symptoms
This study compares two heart-rate medicines—propranolol and ivabradine—to see which better improves symptoms in people with POTS. It uses a “crossover” design, meaning you may try one medicine and then switch to the other.
Calgary, AlbertaAges 18–60 - NCT06214598Recruiting
Anti-inflammatory diet for breast cancer patients on hormone therapy
This study tests whether a special anti-inflammatory diet can help reduce side effects in breast cancer survivors who are taking aromatase inhibitors after menopause. You would be randomly assigned to either follow the diet for 6 months or continue your usual diet, and your health will be monitored.
BelgradeAges 45–70 - NCT05755737RecruitingPhase 2
Ondansetron to prevent fainting episodes from vasovagal syncope
This Phase 2 study tests whether ondansetron can help prevent future fainting (vasovagal syncope) in adults who have had recent episodes. If it works, it may reduce how often you faint and improve safety in everyday situations.
Calgary, AlbertaAges 18–100 - NCT05487092Recruiting
Letrozole to help prevent endometrioma coming back after surgery
This study tests whether taking letrozole after laparoscopic ovarian cyst surgery can lower the chance that an endometrioma (a type of ovarian endometriosis cyst) comes back. It may help some people reduce recurrence after the cyst is removed.
Hong KongAges 18–45 - NCT04650880Recruiting
Vitamin D study for irregular periods from PCOS
This trial studies whether taking vitamin D can improve ovulation (the release of an egg) in people with PCOS who have long, irregular menstrual cycles. It may help some participants have more regular ovulation and cycle timing, but you would be monitored with vaginal ultrasound and blood tests.
Hong KongAges 18–40 - NCT04868578Recruiting
Vitamin PPI supplements for ectopic calcification in PXE
This trial studies whether taking PPI-type supplements can slow or reduce unwanted calcification in people with PXE. It’s meant to help manage disease changes caused by abnormal calcium deposits, based on your medical testing.
AngersAges 18–65 - NCT05233722Recruiting
Study of how mTOR affects insulin sensitivity in healthy men
This study looks at whether a body pathway called mTOR helps control how your body handles insulin and blood sugar. It’s done in healthy men to understand insulin sensitivity before testing approaches in people with health problems later.
CopenhagenAges 22–35 - NCT07852988RecruitingPhase 4
Adding digestive enzymes to usual diabetes treatment
This study tests adding a digestive enzyme (pancreatin) to your usual diabetes medicines to see if it helps control blood sugar better. You may benefit if your current treatment is working, but your A1C is still not in the target range.
Zabrze, Silesian VoivodeshipAges 35–75 - NCT06421818RecruitingPhase 2
Baitouweng Decoction for ulcerative colitis with damp-heat
This trial tests a traditional Chinese herbal formula called Baitouweng Decoction for people with mild to moderate ulcerative colitis who also have a specific pattern of symptoms called 'damp-heat' in the large intestine. It aims to see if the medicine can help reduce inflammation and improve symptoms.
Nanjing, JiangsuAges Any age - NCT06426355Recruiting
NMN supplement for IVF in women with low ovarian reserve
This study tests whether a supplement called NMN can improve pregnancy outcomes for women with low ovarian reserve who are undergoing IVF or ICSI. It's designed for women who have been told they have a low egg supply and are looking for options to increase their chances.
Beijing, Beijing MunicipalityAges 20–40 - NCT05725512RecruitingPhase 4
Prednisolone to prevent unexplained recurrent miscarriages
This trial tests whether a medicine called prednisolone can help prevent further miscarriages in people who have had recurrent miscarriages with no known cause. If you qualify, you would take prednisolone early in pregnancy and the study team would watch whether more losses occur.
Leiden, South HollandAges 18–40 - NCT06064669Recruiting
Metformin for healthy live birth in women with prediabetes
This study tests if metformin, a drug that helps control blood sugar, can improve the chance of a healthy live birth in women with prediabetes who are doing in vitro fertilization (IVF). It aims to see if treating prediabetes before and during early pregnancy leads to better outcomes.
Jinan, ShandongAges 20–40 - NCT07846371Recruiting
Dietary supplement to lower PFAS levels in firefighters
This trial tests whether a daily dietary supplement can reduce levels of PFAS chemicals in the blood. If you are a male firefighter with past exposure to PFAS, this study might help you lower these chemicals.
Chicago, IllinoisAges 18 years+
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,902 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.