Clinical trials
Adult clinical trials
Below are recruiting adult clinical trials, each written for real people, not researchers. We’re tracking 3,746 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06041048RecruitingPhase 4
Study on brain function and attention in healthy adults
This study looks at how a brain area called the locus coeruleus affects your ability to pay attention. It involves taking a medication called modafinil and having MRI scans to see how your brain works.
Sacramento, CaliforniaAges 18–60 - NCT06048094RecruitingPhase 1
PET scan study for brain metastases treated with radiosurgery
This trial tests a special PET scan (18F-fluciclovine) to see how well it shows brain metastases after stereotactic radiosurgery (a precise form of radiation). It may help doctors better understand treatment effects.
Miami, FloridaAges 18 years+ - NCT05943457Recruiting
Vitamin K2 for adults with episodic migraine
This trial tests whether taking vitamin K2 can reduce the number of migraine days per month. It may help people who have had episodic migraines for at least a year and meet specific migraine frequency and medication requirements.
Beirut, BeirutAges 18 years+ - NCT06016634RecruitingPhase 2
Alendronate for bone damage in adults with sickle cell disease
This trial tests if the drug alendronate can help heal bone damage caused by sickle cell disease. It may be an option if you have this bone problem and are between 18 and 80 years old.
Sacramento, CaliforniaAges 18–80 - NCT06022965Recruiting
Telemedicine support for older adults with cancer
This study uses telemedicine (video or phone visits) to help older adults with cancer, especially those in underserved communities, get better care. If you're 65 or older and starting a new cancer treatment, you may be able to join from home in English, Spanish, or Chinese.
Duarte, CaliforniaAges 65 years+ - NCT06006000Recruiting
Supporting recovery after ICU stay for older adults
This study looks at the needs of older adults (65+) after a serious ICU stay. The goal is to help people recover better at home with support from a family or friend caregiver.
New Haven, ConnecticutAges 65 years+ - NCT06029933Recruiting
Comparing two flu vaccines for older adults
This study compares two types of flu shots for people 65 and older to see which works better. If you are a Kaiser Permanente member and get your flu shot at a Kaiser facility, this trial looks at your health records to see how well the vaccine protected you.
Oakland, CaliforniaAges 65 years+ - NCT06017934Recruiting
Increasing physical activity for older adults in the hospital
This trial is testing whether having trained volunteers help older hospital patients with simple exercises can keep them more active during their stay. It aims to improve recovery and prevent muscle loss.
Frimley, SurreyAges 65 years+ - NCT06025292Recruiting
Does eating lean pork help control blood sugar in prediabetes?
This study tests whether eating lean pork loin for a few days can improve how your body handles protein and blood sugar. If you have prediabetes, you may be able to join a short 4-day meal study at the University of Arkansas.
Little Rock, ArkansasAges 40–65 - NCT06027554RecruitingPhase 2
MitoQ for frailty, walking, memory, and blood flow in older adults
This trial tests whether a supplement called MitoQ can improve blood vessel health, walking speed, and thinking skills in older adults who are frail or have mild memory problems. It aims to see if MitoQ helps maintain independence and quality of life.
Farmington, ConnecticutAges 65–80 - NCT06023030Recruiting
Observing how upadacitinib works for Crohn's disease in Japan
This study is for people with moderate to severe Crohn's disease who are starting a medication called upadacitinib. Researchers will watch how the disease changes over time and check for any side effects. It's an observational study, meaning you'll keep getting your regular treatment.
Anjo-shi, Aichi-kenAges 15 years+ - NCT06011954Recruiting
Study of PADCEV in adults with cancer in South Korea
This study observes adults in South Korea who are already being treated with PADCEV injections for cancer. It helps doctors gather real-world information about how the drug works and how people respond to it.
Goyang-si, Gyeonggi-doAges Any age - NCT06016842RecruitingPhase 3
Long-term study of elafibranor for primary biliary cholangitis
This trial tests a drug called elafibranor for people with primary biliary cholangitis (PBC), a liver disease. It aims to see if the drug is safe and works well over a long time.
Tucson, ArizonaAges 18 years+ - NCT06012240RecruitingPhase 3
Testing Upadacitinib for Severe Alopecia Areata
This study tests an oral tablet called upadacitinib for people with severe alopecia areata who have lost at least half of their scalp hair. It aims to see if the drug can safely help hair regrow.
Birmingham, AlabamaAges 12–63 - NCT06005493RecruitingPhase 1/Phase 2
Study of a new drug for advanced stomach, esophagus, or pancreas cancer
This trial tests a new medication that targets a specific protein (CLDN18.2) found on some cancer cells. It may help people with advanced or metastatic stomach, esophageal, or pancreatic cancer who have already tried other treatments.
Jacksonville, FloridaAges 18 years+ - NCT06003387RecruitingPhase 3
Gene therapy for hemophilia B with AAV5 antibodies
This trial tests a gene therapy called CSL222 for adults with hemophilia B who have antibodies against the AAV5 virus used to deliver the therapy. It aims to see if the treatment is safe and effective even when these antibodies are present.
San Diego, CaliforniaAges 18 years+ - NCT06008288RecruitingPhase 2
JAB-21822 for advanced pancreatic or other solid tumors with KRAS G12C
This study tests an experimental pill called JAB-21822 that targets a specific gene change (KRAS G12C) in advanced pancreatic cancer or other solid tumors. It's for people who have already tried standard chemotherapy and whose cancer has gotten worse or who couldn't handle the side effects.
Hefei, AnhuiAges 18 years+ - NCT05999994RecruitingPhase 2
Testing new drugs for children and young adults with cancer
This trial tests several experimental drugs for children and young adults with cancer. It aims to find safe and effective treatments by matching participants to one of several drug studies based on their cancer type and health.
Birmingham, AlabamaAges 1–39 - NCT05979441Enrolling by invitationPhase 3
Long-term safety of efgartigimod injection for myositis
This study tests the long-term safety and effectiveness of a subcutaneous (under-the-skin) version of efgartigimod for adults with active idiopathic inflammatory myopathy. It is for people who have already completed an earlier study of this medicine.
Phoenix, ArizonaAges 18 years+ - NCT05975333Recruiting
Writing support for grieving parents of young cancer patients
This study offers a writing-focused intervention for parents who are grieving the loss of their child or young person who had a type of cancer (ChronCan). It aims to see whether guided writing can help with coping and emotional well-being during bereavement.
Memphis, TennesseeAges 15–25 - NCT05988385Recruiting
Treating sleep apnea to protect memory in older adults
This study tests whether treating sleep apnea can help protect memory and brain health in older adults. It involves using a CPAP machine or other treatments for sleep apnea and may include memory tests and brain scans over 2 years.
Tucson, ArizonaAges 55–85 - NCT05979168Recruiting
Text message program to help control high blood pressure in Nepal
This study tests whether receiving text messages on your phone can help Nepali adults with high blood pressure better control their condition. The program supports medication use and healthy habits through simple mobile messages.
Kathmandu, BagmatiAges 18–70 - NCT05980052Recruiting
Goal setting to boost activity in midlife adults
This study tests whether setting goals helps people in midlife become more physically active. If you are between 45 and 65, have a higher weight, and currently do not exercise much, this program may help you build a healthier habit.
Phoenix, ArizonaAges 45–65 - NCT05978141Recruiting
T-cell lymphoma registry study
This study creates a registry for people with certain T-cell or NK-cell lymphomas. It collects health information and tumor samples to learn more about these diseases and improve future treatments.
Duarte, CaliforniaAges Any age
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Common questions
- Are there clinical trials for adult?
- Yes. Clin2 currently lists 3,746 recruiting adult 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 adult 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 adult 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.