Clinical trials
Drug Effect clinical trials
Below are recruiting drug effect clinical trials, each written for real people, not researchers. We’re tracking 158 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05512169Recruiting
Genetic study in Indian children with newly diagnosed leukemia
This study looks at genetic (DNA) differences to understand acute lymphoblastic leukemia (ALL) in Indian children and how treatments may fit better. You may be able to join if your child is newly diagnosed, meets the study’s treatment plan rules, and provides consent.
New DelhiAges 1–18 - NCT06322238RecruitingPhase 2
Can a DNA test help prevent drug side effects in primary care?
This study tests whether a cheek-swab DNA test can help doctors choose safer medicines for you. If you are starting a new drug in primary care, you might join to help prevent side effects.
Rochester, MinnesotaAges 18 years+ - NCT06498167Recruiting
Rinvoq safety study
This study is checking the safety of the medicine Rinvoq (upadacitinib) in people who have been prescribed it. It involves answering a few questions over the phone to help doctors understand how the medicine is working for you.
PortoAges 18 years+ - NCT04659343Recruiting
Testing tumor care planning for metastatic kidney cancer
This trial studies a way to plan and manage care for people with metastatic renal cell carcinoma (kidney cancer that has spread). It may help doctors coordinate treatment more effectively to improve outcomes.
Aarhus, DanmarkAges 18 years+ - NCT06575530RecruitingPhase 4
Remimazolam for sedation after non-cardiac surgery
This trial tests a sedative called remimazolam besylate in patients who need a breathing tube and light sedation after non-cardiac surgery. The goal is to see if it works well and is safe.
Beijing, Beijing MunicipalityAges 18–64 - NCT05775419Recruiting
Chemo and radiation, with or without extra chemo after
This trial compares standard chemo plus radiation versus the same treatment plus extra “consolidation” chemo afterward. It’s for people with a type of esophageal cancer that can’t be removed with surgery, to see if the added treatment works better and is still safe.
Nanjing, JiangsuAges 18–70 - NCT07128888RecruitingPhase 1
GZR18 injection effects on stomach emptying and drug interactions
This trial tests how a new injectable drug, GZR18, affects how fast your stomach empties and how it interacts with other medicines. It is for obese Chinese adults who want to join a research study.
BeijingAges 18–50 - NCT07182942RecruitingPhase 4
Study of Xiqing and Probiotics for Chronic Kidney Disease
This trial tests if taking Xiqing (a Chinese herbal product) and probiotics together can help people with chronic kidney disease (CKD) by improving gut health and making their medication work better. It is for patients with moderate to advanced CKD who do not need dialysis yet.
Wuhan, HubeiAges 18–75 - NCT06427317Recruiting
Antibiotic effectiveness study in infection patients
This study looks at how well beta-lactam antibiotics (a common type of antibiotic) work in people being treated for infections at Imperial College NHS Trust. The information may help doctors make better dosing decisions.
LondonAges 18 years+ - NCT07176208RecruitingPhase 1
THC and alcohol effects on driving in healthy adults
This study looks at how taking THC (the active ingredient in cannabis) with or without alcohol affects your driving and perception. You will take a THC pill and possibly a drink with alcohol, then have your driving tested in a simulator.
West Bend, WisconsinAges 21–55 - NCT06967051Recruiting
Smartphone test of pupil response after cannabis use
This study uses a smartphone app to measure how your pupils react to light after using cannabis. It aims to see if the app can detect recent cannabis use, which could help develop a quick, non-invasive test.
London, OntarioAges 21 years+ - NCT07598981Recruiting
Obesity Medication Safety and Effectiveness Registry
This registry tracks how well obesity medications work and their safety in real-world use. You'll share your health information and experiences with your obesity medication over time to help doctors understand what works best for different people.
Waltham, MassachusettsAges 18 years+ - NCT07154719RecruitingPhase 4
Testing a weight loss drug's effect on muscle and bone
This study tests a medication called tirzepatide (a type of GLP-1 drug) to see how it affects muscle and bone health during weight loss. It is for people with obesity who are not menopausal and do not have diabetes or bone disease.
Baton Rouge, LouisianaAges 18–50 - NCT03593408Recruiting
Study drug levels in children on ECMO
This study measures how sedating and pain medicines move through the body in children who are supported by ECMO (a heart-lung machine). It may help doctors choose safer and more effective dosing for sedation and pain control during ECMO.
Boston, MassachusettsAges birth–17 years - NCT03532399Recruiting
Bivalirudin dosing study for children having heart procedures
This study looks at how the blood-thinner bivalirudin moves through the body in children during certain heart procedures. It may help doctors choose safer, more accurate dosing for pediatric anticoagulation.
Boston, MassachusettsAges Up to 17 years - NCT06808295RecruitingPhase 1
Dexmedetomidine for tear duct surgery
This study tests whether a medication called dexmedetomidine can reduce the amount of anesthesia needed during tear duct surgery (DCR), possibly making the procedure safer and more comfortable.
GizaAges 16–75 - NCT05578586Recruiting
Study testing how to give meropenem in the ICU
This pilot study looks at the best way to give meropenem antibiotic to ICU patients with a serious suspected or confirmed infection. It may help improve treatment timing and dosing to fight infection while in intensive care.
OsloAges 18 years+ - NCT05932472RecruitingPhase 4
Compare taking aspirin in the morning vs bedtime
This trial studies whether taking your daily aspirin in the morning or at bedtime changes heart and circulation outcomes. It is meant to see if timing matters for people who already take aspirin every day.
HellerupAges 18 years+ - NCT06378957RecruitingPhase 1
THC and d-limonene for cannabis anxiety
This study tests if a natural compound called d-limonene (found in citrus oils) can reduce anxiety that some people feel after using high-THC cannabis. You'll receive THC and d-limonene in capsules under medical supervision.
Baltimore, MarylandAges 21–55 - NCT06658197RecruitingPhase 3
Comparing a new clot-busting drug for severe stroke
This study tests a medication called tenecteplase, given before a procedure to remove a large blood clot in the brain. It may help people who have had a severe stroke within the last 4.5 hours.
Beijing, Beijing MunicipalityAges 18 years+ - NCT07178600Recruiting
Eye drops for surgery: side effects study
This study looks at how patients react to a common eye drop used before surgery. It helps understand side effects and who might be affected.
Mexico City, Mexico CiyAges 18 years+ - NCT06485661RecruitingEarly Phase 1
Captopril for heart health in Duchenne muscular dystrophy
This trial tests a heart medication called captopril in people with Duchenne muscular dystrophy who already have some early heart muscle changes. The goal is to see if it can help protect the heart.
CairoAges 6 years+ - NCT07037511Recruiting
Salbutamol in endurance athletes: a screening study
This trial tests how the asthma medication salbutamol affects endurance athletes. If you are a healthy athlete in running or cycling, your data may help improve sports safety.
Vancouver, British ColumbiaAges 18–55 - NCT06535568Recruiting
Comparing one vs two blood thinners after heart artery balloon treatment
This trial tests whether taking just one blood thinner (clopidogrel) is as safe and effective as taking two (clopidogrel plus aspirin) for older adults or people at high bleeding risk who have had a drug-coated balloon procedure to open blocked heart arteries.
Milan, MIAges Any age
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Common questions
- Are there clinical trials for drug effect?
- Yes. Clin2 currently lists 158 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.