Clinical trials
Drug Effect clinical trials
Below are recruiting drug effect clinical trials, each written for real people, not researchers. We’re tracking 150 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05865470RecruitingPhase 1
How age affects smoked and oral THC effects
This early-stage study compares how people in different age groups respond to THC taken by smoking versus by mouth. It aims to understand age-related differences in effects and safety, which could help guide safer use in the future.
Los Angeles, CaliforniaAges 18–65 - NCT07024199RecruitingPhase 4
Pain relief for children with acute pancreatitis
This trial compares three common pain relievers (paracetamol, ibuprofen, and metamizole) to see which works best for children with acute pancreatitis. It aims to help your child feel better faster with fewer side effects.
WarsawAges 3–18 - NCT06860607RecruitingPhase 1
Environment and Alcohol: A Pilot Study
A pilot study exploring the interaction between environment and alcohol consumption in individuals with alcohol use disorder (AUD), using smartphone-based ecological momentary assessment (EMA).
Baltimore, MarylandAges 21–100 - NCT06572085RecruitingPhase 4
Butylphthalide for brain protection after cardiac arrest
This trial tests a medicine called butylphthalide (NBP) to see if it helps protect the brain after a cardiac arrest. It is for adults who remained unconscious after their heart was restarted.
Beijing, Beijing MunicipalityAges 18–80 - NCT06232434RecruitingPhase 2/Phase 3
New gel treatment for advanced stomach cancer that has spread
This trial tests a new gel called Prospidelong given once into the abdomen during surgery for stomach cancer that has spread to the lining of the belly. The goal is to see if it is safe and works well.
Minsk, Minsk CityAges 18–75 - NCT06372847Recruiting
Sleep apnea nerve stimulation study
This trial tests a nerve-stimulation implant for sleep apnea when other treatments haven't worked. It may help if you have moderate to severe apnea, a BMI under 32, and have tried CPAP and a mouth device without success.
Edegem, AntwerpenAges 18 years+ - NCT07466108Recruiting
IV paracetamol during emergency abdominal surgery
This trial tests whether giving paracetamol (Tylenol) through a vein during emergency belly surgery helps keep your blood pressure and heart rate stable. It may be an option for adults who are not critically unstable or have certain serious heart conditions.
Cairo, Cairo GovernorateAges 21–65 - NCT07387601Recruiting
Peer education for TB treatment in Ethiopia
This trial tests whether having a peer educator (someone who has been through TB treatment) help you stay on track with your medicines and get better. It is for adults with new, easy-to-treat TB in South Omo and Ari Zone, Ethiopia.
Jinka, Southern EthiopiaAges 18 years+ - NCT06707532Recruiting
Muscle relaxants for safer heart rhythm treatment
This study tests if giving muscle relaxants before a heart ablation procedure can protect muscles from damage. Ablation uses energy to fix irregular heartbeats, and muscle relaxants might make it safer.
Wroclaw, Lower Silesian VoivodeshipAges 18–90 - NCT06575322Recruiting
Neoadjuvant therapy for head and neck cancer: effects on pain and mood
This trial tests whether adding immunotherapy to chemotherapy before surgery can help reduce pain, anxiety, and depression in people with head and neck cancer. The goal is to see if this approach improves quality of life during treatment.
Guanzhou, GuangdongAges 18–80 - NCT06550167Recruiting
Nano PSO for brain protection in substance users
This trial tests whether a supplement called Nano PSO can help protect the brain in people who have used methamphetamines, cocaine, and cannabis for at least three years. It looks at effects during the withdrawal period for men currently in residential treatment.
Guadalajara, JaliscoAges 18–50 - NCT07592195Recruiting
Breathing and aerobic exercise for men in drug recovery
This study tests whether breathing exercises and aerobic exercise (like walking or jogging) improve physical and mental health in men recovering from substance use. You'd attend supervised exercise sessions twice a week for 8 weeks and complete health questionnaires.
LuzhouAges 18–50 - NCT07010744Enrolling by invitation
Comparing 3 vs 4 drugs for H. pylori infection
This study compares two treatment plans for H. pylori infection (a stomach bacteria). It looks at whether a 3-drug combination works as well as a 4-drug combination to clear the infection.
DhakaAges 18 years+ - NCT07304817RecruitingPhase 2
Comparing two heart and kidney medicines in heart failure
This study tests if a new medicine (vicadrostat) works differently than an older one (spironolactone) in people with heart failure or heart disease and reduced kidney function. It aims to understand how they affect proteins in the blood and kidney blood flow.
Groningen, Provincie GroningenAges 18 years+ - NCT06309251Recruiting
Ketogenic diet for children with epilepsy or other conditions
This trial studies how well a ketogenic diet works for children with hard-to-treat epilepsy or certain other diseases. It aims to see if the diet improves quality of life.
Milan, MIAges Up to 18 years - NCT07559500RecruitingPhase 1
Study of tirzepatide for alcohol use disorder
This trial tests if tirzepatide, a diabetes drug, affects brain chemistry linked to alcohol use. Researchers want to see if it can help people with mild-to-moderate alcohol use disorder who also have tried stimulants.
Bethesda, MarylandAges 21–65 - NCT05461820RecruitingPhase 4
Testing treatment options for Graves’ disease and its relapse
This study compares different treatment plans to see how well they control Graves’ disease and whether it comes back. It may help by identifying which approach works best to prevent relapse.
NanjingAges 18–65 - NCT07730723RecruitingPhase 2/Phase 3
Nicorandil for moderate to severe rheumatoid arthritis
This study tests whether a heart medication called nicorandil can help reduce arthritis symptoms when added to your current treatment. It is for people with moderate to severe rheumatoid arthritis who have been stable on their current treatments.
Cairo, AbbasiaAges 18 years+ - NCT06520891Recruiting
Statin with SGLT2i for ischemic heart disease
This study tests if taking a statin along with an SGLT2 inhibitor (a diabetes drug that also helps the heart) works better for people with heart disease caused by blocked arteries. The goal is to improve heart function with this combination therapy.
Al Fayyum, Faiyum GovernorateAges 50–80 - NCT07039448Recruiting
Acupressure for constipation in adults with mental illness
This trial tests if learning and practicing acupressure on yourself can help relieve constipation in adults who are staying in a psychiatric hospital. You would receive training and practice at home for four weeks.
Tuenmen, New TerritoriesAges 18 years+ - NCT06689228Enrolling by invitation
Education and monitoring to improve drug use in dialysis patients
This study tests whether a special education program and remote monitoring can help hemodialysis patients use their medications more safely. It is designed for people who have been on dialysis for at least six months.
Burdur, BucakAges 18 years+ - NCT06640309RecruitingPhase 2
Nicotinamide for rheumatoid arthritis: a clinical trial
This trial tests if taking a vitamin B3 supplement (nicotinamide) can improve outcomes for people with rheumatoid arthritis. Researchers want to see if adding this over-the-counter vitamin to your usual arthritis medicines helps reduce disease activity.
CairoAges 18–65 - NCT06031610Recruiting
Carotid artery opening study for brain health
This study tests if opening a narrowed carotid artery can reduce brain damage from small vessel disease. It may help patients with carotid artery narrowing prevent cognitive decline.
Hangzhou, ZhejiangAges 40–80 - NCT07406789RecruitingPhase 2
Personalized diet study for women with advanced breast or gynecologic cancer
This study tests whether a personalized dietary plan can help manage side effects and improve well-being in women with advanced breast or gynecologic cancer who are receiving antibody-drug conjugate (ADC) therapy. ADCs are a type of targeted cancer treatment that delivers chemotherapy directly to cancer cells.
Madrid, MadridAges 18 years+
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Common questions
- Are there clinical trials for drug effect?
- Yes. Clin2 currently lists 150 recruiting drug effect 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 drug effect 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 drug effect 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.