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
- NCT07225816RecruitingPhase 1
How fasting affects stomach food with GLP-1 drugs
This study looks at how long fasting and temporarily stopping certain diabetes or weight-loss medications (like semaglutide or liraglutide) affects how much food stays in your stomach. It may help understand how these medications work in people who are overweight.
Cypress, CaliforniaAges 18 years+ - NCT07221292RecruitingPhase 3
Study of N-acetyl-L-leucine for CACNA1A disorders
This trial tests a potential treatment for people with CACNA1A disorders, which can cause movement problems, migraine, or seizures. The medication may help improve balance and coordination.
Baltimore, MarylandAges 4 years+ - NCT07221214RecruitingPhase 2
Testing a diabetes drug for drinking and heart health in HIV
This trial tests if a once-weekly diabetes medication (semaglutide) can help people with HIV reduce heavy drinking and improve heart health. It's for people who drink alcohol and have a higher body weight.
Nashville, TennesseeAges 18–89 - NCT07213934RecruitingPhase 1/Phase 2
Immunotherapy and radiation before surgery for recurrent head and neck cancer
This trial tests a new combination for people whose head and neck cancer has come back after prior radiation. You'll receive an immunotherapy drug (pembrolizumab) plus radiation, then surgery. The goal is to see if this approach can improve how well surgery works.
Cincinnati, OhioAges 18 years+ - NCT07211035Recruiting
Study of a device to help create a working dialysis access
This study tests a device that widens your vein before creating the connection used for dialysis. The goal is to help the access mature faster and work better for your treatments.
Boston, MassachusettsAges 18 years+ - NCT06928584RecruitingPhase 2
Shorter Radiation Plus Immunotherapy for Recurrent Rectal Cancer
This trial tests whether a shorter, higher-dose radiation course (hypofractionated) combined with immunotherapy works better than standard radiation for locally recurrent rectal cancer that hasn't spread elsewhere. It's for people who haven't had chemotherapy or recent pelvic radiation.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT07209189RecruitingPhase 2
Chemo and immunotherapy before surgery for head and neck cancer
This trial tests a combination of chemotherapy and an immunotherapy drug called Toripalimab before surgery for certain head and neck cancers. The goal is to see if this approach can reduce the extent of treatment needed while still being effective.
Baltimore, MarylandAges 18 years+ - NCT07210684Recruiting
Dihydroberberine for blood sugar, appetite, and mood in prediabetes
This study tests a supplement called dihydroberberine (DHB) to see if it helps improve blood sugar control, appetite, and mood in adults with prediabetes. You will wear a small sensor to track your blood sugar and use a phone app to record what you eat.
Addison, IllinoisAges 35–65 - NCT07205731RecruitingPhase 2
Tislelizumab for older adults with advanced esophageal cancer
This trial tests a drug called tislelizumab (an immunotherapy) in older adults (70+) with advanced esophageal cancer who cannot have standard chemotherapy. The goal is to see if the drug can slow or shrink the cancer safely.
Annecy, Epagny Metz-TessyAges 70 years+ - NCT06930573RecruitingPhase 4
AK112 for high-risk liver cancer after surgery
This study tests a new drug called AK112 (a combination antibody targeting two proteins that help tumors grow) after surgery for liver cancer that has a high chance of returning. The goal is to see if it can prevent the cancer from coming back.
Zhengzhou, HenanAges 18–75 - NCT06923345RecruitingPhase 2
Modified long-course radiation and chemo with immunotherapy for rectal cancer
This trial tests a treatment plan involving radiation, chemotherapy, and an immunotherapy drug (a PD-1 inhibitor) for people with a specific type of high-risk rectal cancer. The goal is to see if this combination helps shrink the tumor before surgery.
Guangzhou, GuangdongAges 18–75 - NCT07202546RecruitingPhase 2
New oral HIV drug trial for people new to treatment
This trial tests a new oral HIV medication (VH4524184) in people who have never taken HIV treatment before. It looks at how well the drug controls the virus and how safe it is.
Bakersfield, CaliforniaAges 18 years+ - NCT07193511RecruitingPhase 1/Phase 2
A new drug for advanced bladder and other solid tumors
This trial tests a new drug, AVZO-103, alone or with other treatments, for people with advanced bladder cancer or certain other solid tumors. It aims to find out if the drug is safe and effective.
San Francisco, CaliforniaAges 18 years+ - NCT07194005RecruitingPhase 2
Combination therapy for HER2 1+/2+ advanced stomach cancer
This trial tests a new combination of drugs (RC48, sintilimab, and SOX chemotherapy) for people with stomach or gastroesophageal junction cancer that cannot be removed by surgery, has not been treated before, and has a specific HER2 score (1+ or 2+). The goal is to shrink the tumor enough to possibly allow surgical removal.
Shanghai, Shanghai MunicipalityAges 18–70 - NCT07193680Recruiting
Managing term preeclampsia with angiogenic factors
This study tests whether measuring certain proteins in the blood (angiogenic factors) can help doctors better manage preeclampsia in women who are 36 to 38 weeks pregnant. The goal is to see if this approach can safely delay delivery and improve outcomes for both mother and baby.
Barcelona, BARCELONAAges 18 years+ - NCT07185243Recruiting
Study of virus injection plus immunotherapy for advanced solid tumors
This study tests a new combination treatment: a modified virus (hV01) injected directly into a tumor, plus a drug that helps your immune system attack cancer cells (PD-1 inhibitor). It is for people with advanced solid tumors that have not responded to standard therapies.
Xiamen, FujianAges 18–75 - NCT07186244Recruiting
HIV Prevention Study for People Starting or Taking PrEP
This study is for people who are HIV-negative and want to take PrEP (a daily pill that prevents HIV). It will help researchers learn more about how to best support people taking PrEP in real-world settings.
Chieti, AbruzzoAges 18 years+ - NCT07183865RecruitingPhase 2
Radiation, chemo, and immunotherapy for recurrent rectal cancer
This trial tests a new combination of radiation, chemotherapy (NALIRIF), and an immunotherapy drug (PD-1 antibody) for rectal cancer that has come back in the pelvis. The goal is to see if this approach can help control the cancer better.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06587802RecruitingPhase 2
PD-1 antibody and radiation for advanced adrenal cancer
This trial tests a combination of an immunotherapy drug (PD-1 antibody) and radiation therapy for people with adrenal cortical carcinoma that has come back or spread and can't be removed with surgery. The goal is to see if this combination can help shrink or control the cancer when other treatments have stopped working.
Guangzhou, GuangdongAges 18 years+ - NCT07181486RecruitingPhase 1
Safety study of a vaginal gel for healthy women
This trial tests a gel placed in the vagina to see if it is safe. Healthy women with regular periods who have a steady partner may join.
San Francisco, CaliforniaAges 18–45 - NCT07178171RecruitingPhase 1
QL1706 + short chemo for early triple-negative breast cancer
This trial tests a new immunotherapy drug (QL1706) combined with a short course of common chemotherapy (anthracyclines or taxanes) for people with early-stage triple-negative breast cancer. The goal is to see if this combination is safe and helps shrink the tumor before surgery.
Xi'an, ShaanxiAges 18–70 - NCT07182097Recruiting
Comparing two pain meds for gallbladder surgery recovery
This study compares two pain medications, fentanyl and remifentanil, used during laparoscopic gallbladder removal. The goal is to see which one helps you recover bowel function faster and control pain better after surgery.
Karatay, KonyaAges 18–65 - NCT07176312RecruitingPhase 2
Zanidatamab with pembrolizumab and chemo for HER2+ and PD-L1+ stomach cancer
This trial tests a new combination of targeted therapy (zanidatamab), immunotherapy (pembrolizumab), and chemotherapy for people with HER2-positive and PD-L1-positive advanced stomach or gastroesophageal cancer. It aims to see if this combination is more effective than current treatments.
BerlinAges 18 years+ - NCT07175480RecruitingPhase 2
Stopping treatment for kidney cancer based on PET/CT results
This trial tests if people with advanced kidney cancer can safely stop all treatment if a special scan (PET/CT) shows their cancer has shrunk or disappeared. It's for those who have already been on a first-line immunotherapy plus targeted therapy for at least 12 months.
Nanjing, JiangsuAges 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.