Clinical trials
Phase 1 clinical trials
Below are recruiting phase 1 clinical trials, each written for real people, not researchers. We’re tracking 289 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06013579Recruiting
Exercise study for older adults with HIV
This study tests whether high-intensity exercise can help improve thinking and memory, and build lasting exercise habits, in older adults living with HIV who feel tired and are not very active.
Birmingham, AlabamaAges 50–80 - NCT06839456RecruitingPhase 1/Phase 2
Stem cell addback to prevent infections after transplant
This trial tests whether adding back certain immune cells after a stem cell transplant can help prevent serious viral or fungal infections. It's for children and young adults up to age 25 who need a transplant for a blood cancer or other curable disease.
Philadelphia, PennsylvaniaAges 1 month–25 years - NCT03720197Recruiting
Registry for people living with type 1 diabetes
This is a registry that collects information from people living with type 1 diabetes. It may help researchers better understand the condition and improve future care.
Edmonton, AlbertaAges Any age - NCT05937906RecruitingPhase 1/Phase 2
Chemo and immunotherapy plus short targeted drug for lung cancer
This Phase 1/2 trial tests how safe and how well a combination of chemo and immunotherapy works when followed by a short course of a targeted “MEK” inhibitor as first treatment for metastatic lung adenocarcinoma with PD-L1 below 50%. It may help some people control cancer better, while also providing more information about side effects and the best way to use these medicines together.
Dijon, BurgundyAges 18 years+ - NCT07357519RecruitingPhase 1/Phase 2
Targeted radiation therapy for advanced osteosarcoma
This trial tests a new targeted radiation treatment (177Lu-TARGETed Osteosarcoma Therapy) for people with advanced osteosarcoma that has not responded to or has come back after prior chemotherapy. The goal is to see if this treatment can help shrink or control the cancer.
Los Angeles, CaliforniaAges 12 years+ - NCT07500298RecruitingPhase 1
New drug plus standard chemo for spread colorectal cancer
This trial tests a new drug called SAR445877 combined with two standard chemotherapies (FOLFOX and bevacizumab) as an initial treatment for people whose colorectal cancer has spread and is microsatellite stable (MSS). It aims to see if adding this drug works better than standard therapy alone.
Houston, TexasAges 18 years+ - NCT07123415RecruitingPhase 1
Study of APX-343A alone or with pembrolizumab for advanced solid tumors
This trial tests a new drug called APX-343A, either by itself or in combination with the immunotherapy pembrolizumab, for people with advanced solid tumors that have not responded to prior treatments.
SeongnamAges 19 years+ - NCT06660420RecruitingPhase 1
PRAME-targeted NK cells for advanced melanoma
This trial tests a new type of cell therapy using your own immune cells (NK cells) modified to target a protein called PRAME found on melanoma cells. It is for people whose melanoma has not responded to or has returned after standard immunotherapies.
Houston, TexasAges 18 years+ - NCT07612280RecruitingPhase 1/Phase 2
Testing JBI-802 for blood cell disorders with high platelets
This study tests a new oral medication called JBI-802 to treat rare bone marrow disorders (myeloproliferative and myelodysplastic neoplasms) that cause abnormally high platelet counts. The goal is to evaluate whether the drug is safe and can help lower platelet levels and control disease.
Sydney, New South WalesAges 18 years+ - NCT05895344Recruiting
Compare proton vs modern radiation effects on thinking
This study compares two types of radiation—proton therapy versus modern fractionated radiation—to see how they affect long-term thinking (cognitive function) and daily abilities in people with a specific skull-base tumor. It may help clarify which radiation approach best protects brain and nerve function over time.
CaenAges 18–70 - NCT07468032Recruiting
Brain stimulation study for stroke patients and healthy volunteers
This study uses brain stimulation (TMS) combined with EEG to understand how the brain controls movement speed after a stroke. It compares healthy volunteers to stroke survivors whose movement has slowed due to network problems, not direct damage to key brain regions.
Amiens, PicardieAges 18 years+ - NCT04752722RecruitingPhase 1/Phase 2
Gene therapy for bladder cancer that came back after BCG
This study tests a new gene therapy (EG-70) given directly into the bladder for people with a high-risk bladder cancer called NMIBC. It may be an option if BCG treatment stopped working, or if you cannot have or choose not to have bladder removal surgery.
Birmingham, AlabamaAges 18 years+ - NCT07065643Recruiting
Calorie restriction study for healthy overweight adults
This study looks at how sex hormones affect the benefits of a low-calorie diet in men and women of different ages. If you are a healthy overweight adult, the study may help understand how hormones and age influence weight loss results.
AberdeenAges 18–65 - NCT07211698Recruiting
Ethnic minorities' experiences of healthcare support
This study explores what people from ethnic minority backgrounds think about healthcare help, like fall prevention programs. It aims to learn from both those who have used such services and those who have not, to improve care for everyone.
NottinghamAges 18 years+ - NCT04997317RecruitingPhase 1/Phase 2
Lu-177 targeting drug for returning or growing meningioma
This Phase 1/2 study tests a targeted radioactive medicine (Lu-177-satoreotide) for meningiomas that keep coming back or keep growing. It works only if tumor imaging shows the tumor has the right “target” signal, and it aims to see how well it can control the disease and how safe it is.
Basel, Canton of Basel-CityAges 18 years+ - NCT06578624RecruitingPhase 1/Phase 2
SA53-OS for advanced solid tumors
This trial tests an experimental drug (SA53-OS) for people with advanced solid tumors or certain lymphomas whose tumors have a normal p53 gene. The goal is to see if it is safe and helps shrink or slow the cancer.
Canton, OhioAges 18 years+ - NCT05188014Recruiting
Exercise timing your menstrual cycle in type 1 diabetes
This study looks at how doing exercise at different points in your menstrual cycle affects blood sugar control in people with type 1 diabetes. It may help you and your care team understand how to plan exercise more safely and effectively around your period.
Edmonton, AlbertaAges 18–50 - NCT06185673RecruitingPhase 1/Phase 2
Gene therapy trial for OPMD with swallowing problems
This trial tests an experimental gene therapy (BB-301) for people with OPMD who have trouble swallowing. It involves a one-time injection into the throat muscles during a short surgery, and researchers will check if it is safe and improves swallowing.
New York, New YorkAges Up to 65 years - NCT07234656Recruiting
Study on fear of cancer returning in kidney cancer
This study looks at fear of cancer recurrence in people with kidney cancer and their partners. It aims to understand and help manage these fears. You and your partner may join if you had surgery for early-stage kidney cancer.
AalborgAges Any age - NCT07623850RecruitingPhase 1
Early Study of JLM019 Injection for Advanced Cancers
This is an early-stage trial testing a new cancer treatment called JLM019 in patients with advanced solid tumors or lymphomas that haven't responded to other treatments. The study aims to find the right dose and see how well the drug works and how patients tolerate it.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06700356Recruiting
Can a brain stimulator detect seizures in the thalamus?
This study tests whether a special brain stimulator (already implanted in some people with epilepsy) can detect seizures in the thalamus. It may help improve seizure monitoring without extra surgery.
Rochester, MinnesotaAges 18 years+ - NCT07584434RecruitingPhase 1
Safety and Dosage Study of VX-433 in Healthy People
This is a first-in-human study testing a new drug called VX-433 to see how safe it is and how the body handles it. Vertex Pharmaceuticals is running this early-stage trial to understand the right dosage and side effects in healthy volunteers.
Salt Lake City, UtahAges 18–55 - NCT07561554RecruitingPhase 1
New BRAF-Targeting Drug for Advanced Solid Tumors
This is an early-stage study testing a new investigational drug (HSK42360-Na) designed to target a specific genetic mutation (BRAF V600) found in some advanced or metastatic cancers. The goal is to see if this drug is safe and effective for patients whose cancers have grown despite prior treatments.
Beijing, Beijing MunicipalityAges 18 years+ - NCT07596888RecruitingPhase 1
Early safety study of experimental HIV treatment IAP-086-1
This is an early-stage trial testing a new experimental drug (IAP-086-1) in people with HIV who have their virus well-controlled on current medications. Researchers want to understand how safe the drug is and how the body handles it.
Chapel Hill, North CarolinaAges 18–70
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Phase 1 trials by city
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Phase 1 trials by state
Studies with a site anywhere in these states.
Common questions
- Are there clinical trials for phase 1?
- Yes. Clin2 currently lists 289 recruiting phase 1 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 phase 1 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 phase 1 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.