Treatment
S-1 clinical trials
We’re tracking 795 recruiting studies that include S-1, each written for real people, not researchers, below.
Recruiting studies
- NCT06437522RecruitingPhase 2
New drug combo for recurrent head and neck cancer
This trial tests a new drug combination (BL-B01D1 plus a PD-1 inhibitor) for people with advanced head and neck cancer or other solid tumors that have come back or spread. It aims to see if the treatment can help shrink tumors or slow the disease.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06475300RecruitingPhase 2
BL-B01D1 plus immunotherapy for advanced lung and throat cancers
This trial tests a new combination treatment (BL-B01D1 plus a PD-1 inhibitor) for people with advanced lung cancer or nasopharyngeal cancer. It aims to see if the combination is safe and effective for patients whose cancer has not responded to earlier treatments.
Guangzhou, GuangdongAges 18 years+ - NCT07715617Recruiting
Creating a prediction score for lung transplant or death in Alpha-1 Antitrypsin Deficiency
This study is creating a simple scoring system to predict who with Alpha-1 Antitrypsin Deficiency-related emphysema might need a lung transplant or die from the disease. Your medical records from 2010–2025 will help build this tool, with no extra tests or visits required.
BronAges 18 years+ - NCT03907826RecruitingPhase 3
PD-1 therapy plus chemoradiation for recurrent nasopharyngeal cancer
This trial studies whether adding a PD-1 antibody (an immunotherapy) to standard chemoradiation can better control recurrent nasopharyngeal cancer that can’t be removed with surgery. If you qualify, you’d receive the study treatment and be closely monitored for side effects and cancer response.
Guangzhou, GuangdongAges 18–70 - NCT04047953Recruiting
Chemo for stomach cancer to make tumors easier to remove
This trial tests a combination chemotherapy plan—paclitaxel (albumin-bound), oxaliplatin, and S-1 given before surgery—to try to shrink stomach cancer and improve the chance of successful tumor removal. It is for people whose cancer is locally advanced or has spread, but might still be resectable (removable) in certain cases.
Beijing, Beijing MunicipalityAges 18–75 - NCT04098315Recruiting
HIV drug-resistance patient registry study for people 14+
This study is a registry (a way to collect and organize information) for people living with HIV who have drug-resistant virus. It may help researchers better understand how resistant HIV behaves and how to manage treatment over time.
Milan, MIAges 14 years+ - NCT04104607RecruitingPhase 1
Testing a PSMA-targeted immune drug for advanced prostate cancer
This Phase 1 study tests a new drug that aims to attach to PSMA on prostate cancer cells and activate T-cells (an immune cell type) to attack the cancer. It is for men with advanced prostate cancer that no longer responds to hormone therapy, especially after several prior treatments.
Tübingen, Baden-WurttembergAges 18 years+ - NCT04157049Recruiting
Alpha-1 research registry for diagnosed people and carriers
This registry study enrolls people with Alpha-1 Antitrypsin Deficiency or certain genetic “carriers” to help researchers learn more about the condition. If you join, you may be asked to share health information over time.
Coral Gables, FloridaAges Any age - NCT04777994RecruitingPhase 1
Drug ABBV-CLS-484 for advanced cancers that lack options
This Phase 1 trial tests ABBV-CLS-484 in people with advanced or metastatic tumors when standard treatments have not worked or aren’t available. Because it’s an early study, the main goal is to find a safe dose and see how the cancer responds in different cancer types.
Tucson, ArizonaAges 18 years+ - NCT07266831RecruitingPhase 2/Phase 3
Study of islatravir and ulonivirine for new HIV patients
This trial tests two new HIV medications, islatravir and ulonivirine, in people who have never taken HIV treatment before. It aims to see if this combination can safely control the virus.
Los Angeles, CaliforniaAges 18 years+ - NCT04997837RecruitingPhase 3
Adjuvant chemo with or without PD-1 for stomach cancer after surgery
This Phase 3 trial studies whether adding an immune medicine called PD-1 (given as an “inhibitor”) to standard chemotherapy and chemoradiation after stomach/GEJ cancer surgery can lower the risk of cancer coming back. You may qualify if you’ve had surgery removing the tumor and lymph nodes showed higher-risk disease.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT05017142Recruiting
Pediatric brain inflammation registry for Swiss patients
This study is a registry that collects health information from children and teens in Switzerland diagnosed with certain inflammatory brain and spinal cord conditions. It helps researchers understand these illnesses better over time and may guide future treatments.
Aarau, Canton of AargauAges Up to 36 years - NCT05103683RecruitingPhase 1
First-time test of TORL-1-23 for advanced solid tumors
This early study tests a new drug (TORL-1-23) in people with advanced solid cancers. It aims to find the safest dose and see how the tumor responds.
Fullerton, CaliforniaAges 18 years+ - NCT05184803RecruitingPhase 2
Pre-surgery chemo for advanced stomach cancer with lymph spread
This Phase 2 study tests a combination chemotherapy regimen given before surgery for stomach cancer that cannot be fully removed (unresectable), including spread to lymph nodes. The goal is to shrink the cancer and improve control with a well-known set of medicines given in a specific order.
Seoul, SeoulAges 19 years+ - NCT05329532RecruitingPhase 1/Phase 2
Modi-1 cancer vaccine for several hard-to-treat cancers
This Phase 1/2 study tests a cancer vaccine called Modi-1 Moditope in people with advanced triple-negative breast cancer, head and neck cancer, ovarian/high-grade serous cancer, or kidney cancer. It aims to help the immune system better recognize and attack the cancer.
Brighton, DefaultAges 18 years+ - NCT05342792RecruitingPhase 3
Chemo tablets with or without an immune therapy after cancer treatment
This trial tests whether taking the chemo tablet capecitabine after standard chemoradiation can help prevent cancer from coming back, and whether adding an immune therapy (a PD-1 antibody) improves results. It is for people with high-risk nasopharyngeal (throat) cancer whose main treatment has already finished.
Guangzhou, GuangdongAges 18–65 - NCT05356104RecruitingPhase 2
GLP-1 treatment to slow small blood-vessel brain damage
This Phase 2 study tests whether a GLP-1–like medicine can slow worsening “small vessel” disease changes in the brain and related walking and thinking problems. It aims to see if the treatment can prevent progression in people who already show early brain changes on MRI.
Wenzhou, ZhejiangAges 55–80 - NCT05360082Recruiting
Brain scan study comparing two PET tracers in Huntington disease
This study compares two different brain imaging tracers to see which one shows Huntington disease brain changes better. It may help improve how doctors measure and track Huntington disease using PET-MRI scans.
LeuvenAges 20–75 - NCT05392413Recruiting
Predicting who benefits from PD-1 antibody for esophageal cancer
This study uses an “immune indicator model” to help predict how well a PD-1 antibody (a cancer-fighting immune drug) works when combined with chemotherapy for stage IV esophageal squamous cell cancer. If you qualify, you receive the treatment and the researchers also look for immune-related signs that may explain who benefits most.
GuangzhouAges 18–75 - NCT05486650Recruiting
Study of focused radiation after PD-1 treatment helped non-lung cancer
This observational study looks at how stereotactic (high-precision) radiation works for advanced non-small cell lung cancer that is stable after PD-1 antibody treatment (sometimes with chemotherapy). It may help doctors better understand which patients benefit from this next treatment step and what side effects to expect.
Chongqing, Chongqing MunicipalityAges 18–75 - NCT05492682RecruitingPhase 1
First-in-human treatment for cancer using a drug injected into tumors
This Phase 1 trial tests PeptiCRAd-1, a treatment injected into a tumor, to see how safe it is and whether it can shrink cancers. It studies people whose cancer has come back or can’t be treated with standard options.
FrankfurtAges 18 years+ - NCT05562830RecruitingPhase 1/Phase 2
Study for bladder or urinary tract cancer after PD-1 failure
This Phase 1/2 study tests investigational cancer treatment(s) in people with locally advanced or metastatic urothelial cancer that has not responded to PD-1/PD-L1 immunotherapy. It may help by trying a new approach after prior checkpoint treatment has stopped working or the cancer returns.
Orange, CaliforniaAges 18 years+ - NCT05980715RecruitingPhase 3
Comparing immunotherapy to radiation after successful treatment for head and neck cancer
This trial looks at whether giving an immunotherapy drug (a PD-1 inhibitor) after surgery is better than giving radiation therapy for people with advanced head and neck cancer who had a complete response to chemotherapy and immunotherapy before surgery. The goal is to prevent the cancer from coming back.
Guangzhou, GuangdongAges 18–65 - NCT06008054RecruitingPhase 2
New drug combo for advanced gastrointestinal cancers
This trial tests two new drugs (BL-B01D1 and SI-B003) alone or with a standard immunotherapy for advanced gastrointestinal cancers. The goal is to see if these combinations shrink tumors and are safe.
Beijing, Beijing MunicipalityAges 18–75
Common questions
- Are there clinical trials studying S-1?
- Yes. Clin2 currently lists 795 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.