Clinical trials
Efficacy and Safety clinical trials
Below are recruiting efficacy and safety clinical trials, each written for real people, not researchers. We’re tracking 2,733 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06698822RecruitingPhase 2
Tofacitinib cream for early-stage cutaneous T-cell lymphoma
This trial is testing a cream called tofacitinib (a type of medicine that helps calm the immune system) for people with early-stage cutaneous T-cell lymphoma (CTCL). The goal is to see if it helps shrink or control the skin lesions safely.
Houston, TexasAges 18 years+ - NCT06371274Recruiting
Oral vitamin A drug plus immunotherapy for advanced triple-negative breast cancer
This trial tests a combination of an oral vitamin A-based drug (all-trans retinoic acid) and an immunotherapy (toripalimab) for people with advanced triple-negative breast cancer that hasn't responded to at least two prior treatments. The goal is to see if this combination can shrink or control the cancer.
Hangzhou, Zhejiang Province, P.R. ChinaAges 18 years+ - NCT06692361Recruiting
Gut bacteria transplant for depression not helped by escitalopram
This trial tests whether transplanting healthy gut bacteria (fecal microbiota) can help people with depression that does not respond well to the antidepressant escitalopram. You will first take escitalopram for 2 weeks, and if it doesn't help enough, you may receive either the real transplant or a placebo capsule.
Wuhu, AnhuiAges 18–65 - NCT06682793RecruitingPhase 1/Phase 2
Study of A2B395 therapy for solid tumors with EGFR and HLA loss
This trial tests a new cell therapy called A2B395 for cancers that have EGFR, a protein on the cell surface, and have lost a specific marker called HLA-A*02. The therapy uses specially engineered immune cells to target and kill these cancer cells. This may help patients with colorectal, lung, head and neck, breast, kidney, or other solid tumors that are no longer responding to standard treatments.
Gilbert, ArizonaAges 18 years+ - NCT06689852Recruiting
Study of two treatments for nail fungus
This trial tests two different treatments for fungus that affects the fingernails or toenails. It is designed to see how well the treatments work and if they are safe.
Villeurbanne, FranceAges 18–70 - NCT06685536Enrolling by invitation
Long-term follow-up for CS-101 recipients
This study follows up on people who have already received the CS-101 infusion in a previous trial. It aims to check how participants are doing over time. There are no restrictions to join if you already received CS-101.
Nanning, GuangxiAges 6–35 - NCT06687733RecruitingPhase 1/Phase 2
Gene therapy for phenylketonuria
This trial tests a new gene therapy, NGGT002, which delivers a healthy gene to help people with phenylketonuria (PKU) manage their phenylalanine levels. It may reduce the need for strict diet control.
Bengbu, AnhuiAges 18–55 - NCT06689085RecruitingPhase 3
Testosterone replacement study for adolescent boys with low testosterone
This trial tests a testosterone injection (XYOSTED) to see if it's safe and effective for replacing testosterone in teenage boys who have low levels due to a known medical condition. It lasts 52 weeks, with an optional 2-year follow-up.
Los Angeles, CaliforniaAges 12–17 - NCT06684379RecruitingPhase 1/Phase 2
Two Doses of PRS CK STORM for Severe Viral Pneumonia
This study tests a new drug called PRS CK STORM to see if it can safely calm the body's overactive immune response (cytokine storm) in people with severe pneumonia from COVID-19, flu, or RSV who need oxygen. It aims to reduce inflammation and improve recovery.
Alcalá de Henares, MadridAges 18 years+ - NCT06674577Enrolling by invitationPhase 2
Long-term safety study of atacicept for IgA nephropathy
This study looks at the long-term safety and effectiveness of atacicept in people with IgA nephropathy (IgAN) who have already completed treatment in a previous atacicept study. It is for patients who want to continue their care and see how well the medicine works over more time.
Brisbane, CaliforniaAges 18–99 - NCT06671054RecruitingPhase 2
Testing AP1189 for newly diagnosed active rheumatoid arthritis
This study tests an oral drug called AP1189 for people just diagnosed with active rheumatoid arthritis who haven't yet taken standard arthritis medicines. You may be able to take part if your disease is very active and you're ready to try a new treatment option.
Cutler Bay, FloridaAges 18 years+ - NCT06676501Enrolling by invitation
Second side focused ultrasound for essential tremor
This study tests whether a second focused ultrasound treatment on the other side of the brain can safely and effectively reduce tremor in people with essential tremor who already had one treatment. It's for those whose tremor is not well controlled by medication or previous treatments.
BeijingAges 22 years+ - NCT05565807RecruitingPhase 1/Phase 2
Study drug for difficult myeloma after prior treatments
This trial tests an anti-CD38 antibody drug that is “linked” to a cancer-killing payload (an antibody-drug conjugate) in people with multiple myeloma that has returned or did not respond to standard treatments. It is mainly looking at safety first, and also whether it can reduce myeloma in heavily pre-treated patients.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06663137RecruitingPhase 2
Study of a new treatment for high-grade bladder cancer
This trial tests a new treatment called NDV01 KIT for people with high-grade non-muscle invasive bladder cancer that hasn't gotten better after BCG therapy. It's for those who cannot or choose not to have their bladder removed.
RaananaAges 18–80 - NCT06659445RecruitingPhase 2
Study of ONL1204 for geographic atrophy in dry AMD
This study tests an investigational medicine called ONL1204 given as an injection into the eye for people with a form of advanced dry age-related macular degeneration called geographic atrophy. The goal is to see if it can slow vision loss.
Gilbert, ArizonaAges 55 years+ - NCT06664775RecruitingPhase 3
Comparing two bleeding-control patches during open surgery
This study tests a special patch called TachoSil against a standard surgical pad (Surgicel) to see which works better for controlling minor oozing during open abdominal, chest, or pelvic surgeries. It may be an option if you are having certain types of surgery and have a small area of mild bleeding that needs help to stop.
Torrance, CaliforniaAges 1 month+ - NCT06666491RecruitingPhase 3
Comparing two malaria treatments for P. vivax in people 2 and older
This study compares two medicines (tafenoquine and primaquine) taken with chloroquine to treat P. vivax malaria. It aims to see which is safer and works better in Indian participants aged 2 to 64.
AhmedabadAges 2–64 - NCT06659549RecruitingPhase 2
Eye drop treatment for advanced dry AMD with geographic atrophy
This trial tests a daily eye drop (GAL-101) to see if it can slow the growth of geographic atrophy lesions in people with dry age-related macular degeneration (AMD) when the center of the macula is not yet involved.
Beverly Hills, CaliforniaAges 55 years+ - 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+ - NCT06660329Enrolling by invitationPhase 4
Tofacitinib for hard-to-treat Blau syndrome
This study tests if the drug tofacitinib (a JAK inhibitor) can help people with Blau syndrome whose symptoms did not improve with other treatments. Blau syndrome is a rare genetic condition that causes inflammation in the skin, joints, eyes, and other organs.
BeijingAges birth–18 years - NCT06647745RecruitingPhase 3
Study for type 2 diabetes and high blood pressure
This study tests a new combination of three medications (THP-00101, THP-00102, and THP-00103) for people with type 2 diabetes and essential high blood pressure. It aims to see if this combination is safe and effective compared to standard treatments.
SeoulAges 19 years+ - NCT06651281RecruitingPhase 3
Long-term safety and effectiveness of tulisokibart for Crohn's or colitis
This study gives tulisokibart to people who already took part in an earlier trial for Crohn's disease or ulcerative colitis and are still benefiting from it. The goal is to see how safe and effective the medicine is over a longer period.
Bristol, ConnecticutAges Any age - NCT06646276RecruitingPhase 3
New drug combo vs standard care for first-line extensive-stage small cell lung cancer
This trial tests a new combination of drugs (BMS-986489 with chemotherapy) against the current standard treatment (atezolizumab with chemotherapy) for people who have just been diagnosed with extensive-stage small cell lung cancer. It aims to see which approach works better and is safer.
Daphne, AlabamaAges 18 years+ - NCT06651567RecruitingPhase 2
Study of a new drug for agitation in Alzheimer's disease
This study tests an experimental medication, ITI-1284, to see if it can safely reduce agitation in people with Alzheimer's disease. Agitation can include restlessness, aggression, or irritability, and this drug aims to help manage those symptoms.
Anaheim, CaliforniaAges 55 years+
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Common questions
- Are there clinical trials for efficacy and safety?
- Yes. Clin2 currently lists 2,733 recruiting efficacy and safety 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 efficacy and safety 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 efficacy and safety 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.