Treatment
S-1 clinical trials
We’re tracking 792 recruiting studies that include S-1, each written for real people, not researchers, below.
Recruiting studies
- NCT05862064RecruitingPhase 3
Adding an immune drug and anti-blood-vessel treatment to chemo
This study tests whether adding an immune therapy (a PD-1 antibody) plus a blood-vessel–blocking treatment to standard chemo improves outcomes for people with surgically treated triple-negative breast cancer. Everyone gets chemotherapy, but some will also get the added drugs to try to reduce cancer coming back.
Shanghai, Shanghai MunicipalityAges 18–70 - NCT06814080Recruiting
Stomach Content Study for GLP-1 Users Before Surgery
This study looks at whether a common diabetes medication (GLP-1) affects how much food stays in your stomach before surgery. It aims to make anesthesia safer by understanding stomach content.
Little Rock, ArkansasAges 18 years+ - NCT06812858RecruitingPhase 2
PD-1 inhibitor maintenance after stem cell transplant for Hodgkin lymphoma
This trial tests whether a PD-1 inhibitor (a type of immunotherapy) given after an autologous stem cell transplant can help prevent Hodgkin lymphoma from coming back in people at high risk of relapse.
AstanaAges 18–70 - NCT06814522RecruitingPhase 1/Phase 2
Psilocybin-assisted therapy for physician burnout
This study tests whether a psychedelic drug called psilocybin, combined with talk therapy, can help reduce burnout in doctors. It may help improve well-being and job satisfaction.
San Diego, CaliforniaAges 21–70 - NCT06794073Recruiting
Combination therapy for advanced liver cancer
This trial is testing a combination of treatments for liver cancer that cannot be removed by surgery. It combines a targeted therapy pill (lenvatinib), an immunotherapy that boosts your immune system (PD-1 blocker), a procedure that destroys tumors with heat or cold (ablation), and a chemo procedure that delivers medicine directly to the liver (TACE). The goal is to see if this mix is safe and effective.
Shanghai, Shanghai MunicipalityAges 18–80 - NCT06793072Recruiting
Adipokines in PCOS trial
This study looks at certain proteins (adipokines) in the blood of people with polycystic ovary syndrome (PCOS) to see how they relate to the condition. It may help researchers better understand PCOS.
KrakowAges 18–45 - NCT06788171RecruitingPhase 2
Combined therapy for colorectal cancer with liver spread
This trial tests a new combination of treatments for colorectal cancer that has spread to the liver. It combines a special type of radiation therapy (called PULSAR) with immunotherapy and chemotherapy plus a drug that targets blood vessels, to see if it helps shrink tumors and improve outcomes.
Fuzhou, FujianAges 18–75 - NCT06049082RecruitingPhase 1
A study of KB408 for alpha-1 antitrypsin deficiency
This study tests a new gene therapy called KB408 for people with alpha-1 antitrypsin deficiency (AATD). It aims to see if KB408 can help your body produce enough of the missing protein to protect your lungs and liver.
Gainesville, FloridaAges 18–70 - NCT06786728Enrolling by invitation
Ultrasound-guided fluid removal for kidney recovery in heart-kidney syndrome
This study tests if using ultrasound scans to guide fluid removal helps protect kidney function in people with cardiorenal syndrome type 1, where heart failure suddenly worsens kidney function.
CairoAges 18–65 - NCT06784492Recruiting
Healthy living tips after a pulmonary embolism
This study tests whether healthy living tips and messages sent daily by text or email can help you recover better after a serious blood clot in your lung called a pulmonary embolism. It may be a good fit if you are already taking a blood thinner and can receive text messages.
Rochester, New YorkAges 18 years+ - NCT05978102RecruitingPhase 1/Phase 2
Study of STI-7349 for advanced solid cancers
This early-phase study tests STI-7349 (a new cancer treatment) in people with advanced solid tumors that have not responded to standard treatments. The goal is to find a safe dose and see how well it can control cancer.
Yiwu, ZhejiangAges 18–80 - NCT05129345Recruiting
HIV care program for heart health goals in the Southeast US
This trial tests an approach to help people living with HIV reach heart- and metabolism-related health goals, such as blood pressure, cholesterol, and blood sugar. It involves clinics and community partners and may offer education, support, and care coordination to remove barriers to treatment.
Charlotte, North CarolinaAges 18 years+ - NCT06780085RecruitingPhase 2
Study of new drugs for advanced lung cancer
This trial tests new treatments for people with stage IV nonsquamous non-small cell lung cancer that has gotten worse after prior immunotherapy and chemotherapy. It aims to find better options for those whose cancer has specific genetic features.
Lexington, KentuckyAges 18 years+ - NCT06772623RecruitingPhase 1/Phase 2
Study of telisotuzumab adizutecan plus immunotherapy for advanced lung cancer
This trial tests a new combination treatment for people with advanced non-squamous non-small cell lung cancer who haven't received prior therapy for advanced disease and don't have specific gene changes. The treatment includes an antibody-drug conjugate (telisotuzumab adizutecan) plus an immunotherapy drug (PD-1 checkpoint inhibitor) to see if it helps shrink tumors and improve outcomes.
Phoenix, ArizonaAges 18 years+ - NCT06776861Recruiting
Radiation plus immunotherapy for advanced breast cancer
This study looks at combining radiation therapy with immunotherapy for advanced breast cancer that has spread or cannot be surgically removed. The goal is to see if adding radiation after treatment helps improve outcomes.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06766578RecruitingPhase 2
Low-dose radiation plus immunotherapy and chemo before gastric cancer surgery
This trial tests a new combination of low-dose radiation, an immunotherapy drug (tirelizumab), and chemotherapy (SOX) given before surgery for locally advanced gastric or gastroesophageal junction cancer. The goal is to see if this approach can shrink tumors more effectively.
Jinan, ShandongAges 18–75 - NCT06761365Recruiting
Testing a new device for unruptured brain aneurysms
This trial tests a new device to block blood flow into unruptured brain aneurysms (balloon-like bulges). It is for adults whose aneurysm has not bled and fits specific size requirements. The goal is to see if the device is safe and works well.
SofiaAges 18–80 - NCT06762483Recruiting
Blood test for gene changes in advanced breast cancer
This trial uses a simple blood test to look for two specific gene changes (ESR-1 and gBRCA) in people with hormone receptor-positive, HER2-negative breast cancer that has spread. It aims to detect these mutations earlier and help guide future treatment decisions.
Milan, ItalyAges 18 years+ - NCT06767007RecruitingPhase 2
Radiation plus immunotherapy for recurrent rectal cancer
This trial studies a combination of SBRT (a precise kind of radiation) and an immunotherapy drug (PD-1 antibody) for people whose rectal cancer has come back in the pelvis and cannot be removed by surgery. The goal is to see if this treatment can shrink the tumor or stop it from growing.
Guangzhou, GuangdongAges 18–75 - NCT06762054Recruiting
Better management for dolutegravir-resistant HIV
This trial tests better ways to manage HIV when the virus becomes resistant to dolutegravir (DTG), a key medicine. It is for people with high viral load despite being on DTG for at least six months.
KisumuAges 1 year+ - NCT06745050Recruiting
Motivation Matters! study for HIV treatment
This study tests a program called Motivation Matters! to help people with HIV who have traded sex for things they need get started on HIV medication and stay healthy. It uses text messages to support you.
NairobiAges 18 years+ - NCT06747507RecruitingPhase 3
Ndovu study: best HIV treatment for drug resistance
This trial is for people with HIV who are not responding well to the drug dolutegravir (DTG). It tests if switching to a different drug, darunavir/ritonavir (DRV/r), works better than continuing DTG when resistance has developed.
KisumuAges 3 years+ - NCT06725693Recruiting
PET scan using GLP-1 receptor tracer for cancers
This trial uses a special PET scan (a 3D imaging test) to look for cancer cells that have GLP-1 receptors, a protein on some tumors. It aims to see if this scan can help find or monitor cancer.
Hefei, AnhuiAges 18–80 - NCT06714253RecruitingPhase 1/Phase 2
Circular RNA treatment for dry mouth after radiation
This trial tests a new type of treatment called circular RNA to see if it can help people with long-term dry mouth after radiation for head and neck cancer. It's for patients whose dry mouth hasn't gone away with other treatments.
Palo Alto, CaliforniaAges 18 years+
Common questions
- Are there clinical trials studying S-1?
- Yes. Clin2 currently lists 792 recruiting studies that include S-1, drawn from the U.S. registry and rewritten for real people so you can see what each is testing and who it's for.
- How do I know if I qualify for a S-1 trial?
- Each study lists its own eligibility criteria — rules about condition, age, and prior treatments. On every Clin2 trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Is S-1 an approved treatment?
- A drug being studied in a trial may be investigational (still being tested) or already approved and being studied for a new use. Each study page explains what phase it's in. Clin2 does not provide medical advice — talk with your doctor about whether S-1 or a specific trial is right for you.
Related treatments
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. A drug appearing here is being studied in a trial and may be investigational. Talk with your doctor about whether a specific treatment or trial is right for you.