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
- NCT04892654RecruitingPhase 3
Doravirine plus dolutegravir switch for people with HIV
This Phase 3 study tests whether switching from a three-drug HIV regimen to a two-drug regimen (doravirine plus dolutegravir) can keep your virus levels controlled. It may help people who are stable on their current treatment explore a simpler switch under close monitoring.
LondonAges 18 years+ - NCT06102759Recruiting
Study of adebrelimab and fruquintinib plus chemo for advanced stomach cancer after PD-1 failure
This trial tests a combination of two targeted drugs (adebrelimab and fruquintinib) plus chemotherapy (paclitaxel or albumin-bound paclitaxel) for people with advanced gastric or gastroesophageal junction cancer whose disease progressed after prior PD-1 antibody treatment. The goal is to see if this new combination can help when standard options have stopped working.
Tianjin, Tianjin MunicipalityAges 18 years+ - NCT05125055RecruitingPhase 2/Phase 3
Test new throat cancer treatment before surgery
This trial tests giving anti–PD-1 immunotherapy plus a drug called TP before surgery for oral squamous cell carcinoma (mouth/throat cancer). The goal is to see whether this pre-surgery treatment improves how much the tumor responds under the microscope.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT05767307Recruiting
MRI for suspected prostate cancer in Denmark
This study is enrolling adults who have prostate cancer concerns and are being sent for an MRI scan. It aims to improve evaluation of suspected prostate cancer, which may help doctors decide next steps more accurately.
Aarhus N, AarhusAges 18–99 - NCT06158919Recruiting
Immunotherapy Plus Targeted Therapy and Chemo for Stomach Cancer
This trial tests a combination of immunotherapy (PD-1 inhibitor), a targeted drug (fruquintinib), and chemotherapy as a first treatment for advanced stomach or gastroesophageal junction cancer that is HER2-negative. It aims to see if this combination can shrink tumors and help people live longer.
Shanghai, Shanghai MunicipalityAges 18–80 - NCT06092957RecruitingPhase 3
Reduced radiation after chemo-immunotherapy for high-risk nasopharyngeal cancer
This trial tests whether a lower dose of radiation, with or without additional chemo-immunotherapy, works as well as the standard full-dose chemoradiation for people with advanced nasopharyngeal cancer who had a complete response after initial chemo-immunotherapy.
Guangzhou, GuangdongAges 18–70 - NCT06180174RecruitingPhase 1
CD19-targeted CAR-T cells for relapsed B-cell lymphoma
This trial tests a new type of immune cell therapy (CAR-T cells) that targets a protein called CD19 on your lymphoma cells. It's for people whose B-cell lymphoma has returned or not responded to standard treatments.
Beijing, Beijing MunicipalityAges 18 years+ - NCT07867392RecruitingPhase 2
New drug combo before surgery for stomach cancer
This study tests a combination of two immunotherapy drugs plus chemotherapy before surgery for people with locally advanced stomach or gastroesophageal junction cancer. The goal is to see if this treatment can shrink the tumor and improve outcomes.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT07870538RecruitingPhase 4
Matching weight-loss treatments to binge eating patterns
This study tests whether a medication called semaglutide, which is used for weight loss, works better for people who also have binge eating. It aims to find the best treatment based on brain and behavior differences.
LeuvenAges 18–65 - NCT06342167RecruitingPhase 2
Immunotherapy and radiation with nutrition support for esophageal cancer
This trial combines an immunotherapy drug (a PD-1 inhibitor) with radiation therapy and special nutrition drinks to treat esophageal cancer that cannot be removed with surgery. The goal is to see if this combination is safe and effective in helping patients live longer and feel better.
Beijing, Beijing MunicipalityAges 18–80 - NCT07863999RecruitingPhase 3
Immunotherapy before surgery for stage II-III lung cancer
This trial compares two different drug combinations given before surgery for stage II-III non-small cell lung cancer (NSCLC). Both combinations include chemotherapy, and one also includes a newer type of immunotherapy. The goal is to see which approach shrinks tumors more effectively before surgery.
Shanghai, ChinaAges 18 years+ - NCT07860047RecruitingPhase 2
Peptide vaccine with antibody therapy for prostate cancer
This trial tests a combination of a personalized peptide vaccine and an antibody therapy for men with prostate cancer that has returned after initial treatment. The goal is to see if this approach can control the cancer without needing stronger hormone therapy.
Heidelberg, Baden-WurttembergAges 18–80 - NCT05215704Recruiting
Lab study of dormant HIV using samples from you
This trial collects blood samples from people living with HIV to study dormant (inactive) HIV cells in the lab. The goal is to better understand how to target these hidden cells as part of an eventual cure.
RotterdamAges 18 years+ - NCT07865377Recruiting
Resveratrol supplement for heart disease in postmenopausal women
This study tests whether a supplement called resveratrol can positively affect estrogen-related markers in postmenopausal women with stable coronary artery disease. It may help understand how this supplement could support heart health.
São Paulo, São PauloAges 45–70 - NCT06055504Recruiting
Personalized defibrillator plan for non-ischemic heart failure (SPANISH-1)
This trial is testing a personalized approach to deciding who gets an implantable defibrillator (ICD) for people with heart failure due to dilated cardiomyopathy (not from blocked arteries). It aims to see if MRI scans and other factors can better match the device to those who need it most.
Santiago de Compostela, A CoruñaAges 18 years+ - NCT06080880Recruiting
Testing weekly vs every 3 weeks ondansetron for chemo nausea
This trial compares two schedules of ondansetron (a nausea prevention drug) in people getting cisplatin chemotherapy plus a PD-1 inhibitor. It aims to find which dosing schedule works best to prevent nausea and vomiting.
Wuhan, HubeiAges 18 years+ - NCT06287840Recruiting
Canadian Bone Strength Development Study for Kids with Type 1 Diabetes
This study looks at how bones grow stronger in children with type 1 diabetes compared to typically developing children. Researchers will measure bone strength using special scans and other simple tests.
Saskatoon, SaskatchewanAges 10–12 - NCT06194734RecruitingPhase 3
KC1036 vs. chemo for advanced esophageal cancer
This study compares a new drug, KC1036, to standard chemotherapy options for people with advanced esophageal squamous cell cancer that has progressed after immunotherapy and at least one chemo. It aims to see if KC1036 works better or has fewer side effects.
BeijingAges 18–75 - NCT06187597RecruitingPhase 2
Toripalimab after chemoradiation for older esophageal cancer
This study tests whether adding a drug called toripalimab after standard chemoradiation can help older adults with esophageal cancer. The goal is to see if this treatment can keep the cancer from coming back after initial therapy.
Guangzhou, GuangdongAges 70–85 - NCT06341595RecruitingPhase 2
Chemo, radiation and immunotherapy before surgery for stomach cancer with PALM
This trial tests combining chemotherapy, radiation, and an immunotherapy drug (sintilimab) before surgery for advanced stomach cancer that has spread to lymph nodes near the aorta (called PALM). The goal is to see if this approach can shrink the tumor enough to allow complete removal.
Nanjing, JiangsuAges 18–75 - NCT06371586RecruitingPhase 2
Neo-Sequence 2: New drug combo for advanced stomach cancer
This trial tests a new treatment plan for advanced stomach cancer using chemotherapy, anti-angiogenesis therapy (to cut off tumor blood supply), and immunotherapy (to help your immune system fight cancer). The goal is to see if this combination works better before surgery.
BeijingAges 18–75 - NCT06391190RecruitingPhase 1/Phase 2
Chemoradiation plus immunotherapy for advanced cervical cancer
This trial tests combining standard chemoradiation with a PD-1 inhibitor (a drug that helps your immune system fight cancer) for advanced cervical cancer that hasn't been treated yet. The goal is to see if this combination works better than standard treatment alone.
ShanghaiAges 18–75 - NCT06151743RecruitingPhase 2
Testing drug combo before throat cancer surgery
This trial tests a new combination of drugs (an immunotherapy called a PD-1 inhibitor, cetuximab, and platinum chemotherapy) given before surgery for advanced throat cancer that requires removing the voice box. The goal is to see if this treatment shrinks the tumor and improves outcomes.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT05699655RecruitingPhase 2/Phase 3
New pre-surgery treatment for advanced stomach cancer with immunotherapy
This trial tests a new combination (tislelizumab plus apatinib and chemotherapy) before surgery for certain advanced stomach cancers, compared with the standard chemotherapy plus S1. The goal is to shrink the tumor and improve outcomes before and around surgery.
Fuzhou, FujianAges 18–75
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.