Treatment
S-1 clinical trials
We’re tracking 796 recruiting studies that include S-1, each written for real people, not researchers, below.
Recruiting studies
- NCT07569003Recruiting
Nutrition Support for Young Children With Liver Disease and Malnutrition
This study looks at how special nutrition therapy helps young children with chronic liver disease and severe malnutrition. Researchers will measure specific blood markers to see if the treatment improves your child's nutrition and liver function.
Jakarta Pusat, DKI JakartaAges Up to 5 years - NCT07581496Recruiting
Blood test to detect bladder cancer DNA after surgery
This study examines whether a simple blood test can detect cancer DNA (circulating tumor DNA, or ctDNA) in patients with a specific type of bladder cancer. Detecting this DNA in blood may help doctors predict how the cancer will behave and guide future treatment decisions.
BaselAges 18 years+ - NCT07590024RecruitingPhase 3
Personalized Cancer Treatment Guidance for Nasopharyngeal Cancer
This trial tests whether a special analysis of blood markers and imaging scans can help doctors choose the best combination of chemotherapy and radiation for nasopharyngeal cancer. The goal is to improve outcomes by tailoring treatment to each patient's specific cancer characteristics.
Beijing, Beijing MunicipalityAges 18–65 - NCT07596446Recruiting
Emergency treatment study for cardiac arrest patients
This study tests emergency treatments for people who have had a cardiac arrest (heart stops beating) outside the hospital. It looks at two groups: people whose hearts stop despite CPR efforts, and people whose hearts have restarted. The goal is to see if these treatments can help patients survive and recover better.
PragueAges 18–70 - NCT07607587RecruitingPhase 1
Testing a new weight-loss drug for people who couldn't tolerate GLP-1 shots
This study tests a new injectable medication called cagrilintide for people with obesity who had to stop GLP-1 drugs (like Ozempic or Wegovy) because of stomach problems. The goal is to see if cagrilintide causes fewer stomach side effects while still helping with weight.
Walnut Creek, CaliforniaAges 18 years+ - NCT07618078Recruiting
Personalized Cancer Risk Assessment for Nasopharyngeal Cancer
This study helps doctors predict which patients with nasopharyngeal cancer (a cancer of the upper throat) will benefit most from additional chemotherapy after radiation treatment. It uses a special blood test and imaging to create a personalized risk score for each patient.
Beijing, Beijing MunicipalityAges 18–75 - NCT07633639Recruiting
GLP-1 Medicine After Weight-Loss Surgery in Chinese Patients
This trial tests whether adding a GLP-1 medication (a type of diabetes and weight-loss drug) after weight-loss surgery helps patients with obesity and related health conditions like diabetes. Researchers want to see if combining surgery with this medicine works better than surgery alone.
BeijingAges 18–60 - NCT07636824RecruitingPhase 2
Chemotherapy plus radiation after bile duct cancer surgery
This study tests whether combining chemotherapy and radiation therapy after surgery improves outcomes for patients with bile duct or gallbladder cancer. It's designed for patients whose surgery showed signs the cancer might come back.
BeijingAges 18–80 - NCT07640048Recruiting
Adjuvant therapy after surgery for high-risk bile duct cancer
This study tests additional treatment given after surgery to remove high-risk intrahepatic cholangiocarcinoma (a type of bile duct cancer). The goal is to reduce the chance the cancer comes back and improve survival in patients whose tumors had concerning features.
BeijingAges 18 years+ - NCT07643948Recruiting
How HIV Treatment Changes Affect Drug Resistance
This study follows people with HIV whose virus is well-controlled on current medications to understand how switching to a different HIV drug regimen affects the virus's ability to resist those drugs. The goal is to help doctors choose the safest treatment switches.
Hong Kong, Hong KongAges 18 years+ - NCT07646639RecruitingPhase 2
Radiation, chemotherapy, and immunotherapy for advanced rectal cancer
This study tests a combination of radiation therapy, chemotherapy drugs (capecitabine and oxaliplatin), and two types of immunotherapy (a PD-1 blocker and IL-2) for locally advanced rectal cancer. The goal is to see if this combination helps shrink tumors and improve outcomes before surgery.
Nanjing, JiangsuAges 18–70 - NCT07652333Recruiting
Strength training for muscle and mind on obesity medication
This study tests whether strength training can help adults taking new obesity medications (like Wegovy or Ozempic) maintain muscle and improve mental health. You would start the medication after your first study visit.
Pittsburgh, PennsylvaniaAges 18 years+ - NCT07666022RecruitingPhase 1
Safety study of MF1 for Parkinson's-related constipation
This early-phase study tests a new treatment called MF1 for Parkinson's-related symptoms, especially constipation. It first checks safety in healthy volunteers, then in people with Parkinson's who have slow bowel movements.
Sumida-ku, TokyoAges 18–85 - NCT07669220RecruitingPhase 2
Short radiation, immunotherapy, and chemo for advanced rectal cancer
This trial compares a new treatment approach—short-course radiation followed by an immunotherapy drug (PD-1 inhibitor) and chemotherapy (FOLFOX)—to the standard long-course chemoradiation for people with a specific type of advanced rectal cancer that is pMMR/MSS. The goal is to see if the shorter treatment works as well or better.
GuangzhouAges 18–75 - NCT07499713Enrolling by invitation
Blood proteins and nail blood vessels in alopecia areata
This study looks at whether certain proteins in your blood (VEGF-A and VCAM-1) are linked to changes in the tiny blood vessels at the base of your fingernails in people with alopecia areata. It may help doctors understand more about the condition and how it affects the body.
IstanbulAges 18–60 - NCT07415811Enrolling by invitation
Spironolactone for HIV-infected adults
This study tests the drug spironolactone, a medicine that helps your body balance fluids and potassium, in both HIV-positive and HIV-negative adults. The goal is to see how it affects a key protein complex in your cells. If you are HIV-positive, you need to have well-controlled HIV with undetectable virus levels and be on stable treatment.
São Paulo, São PauloAges 18–60 - NCT07367737Enrolling by invitation
Comparing histatin-1 levels in smokers and non-smokers with gum disease
This study looks at a protein called histatin-1 in your saliva to see how it changes with gum disease treatment. Researchers want to compare levels between smokers and non-smokers before and after deep cleaning (a non-surgical treatment for periodontitis). It may help understand how smoking affects gum healing.
Baghdad, Medical CityAges Any age - NCT07356466Enrolling by invitationEarly Phase 1
Combination therapy vs. standard chemo for advanced stomach cancer
This trial tests whether adding two newer drugs (pucotenlimab and lenvatinib) to standard chemotherapy (SOX) works better than chemotherapy alone for people with advanced stomach or gastroesophageal junction cancer that is HER2-negative. The goal is to see if the combination slows cancer growth.
Fuzhou, FujianAges 18–75 - NCT07234916Enrolling by invitation
Multivitamins for people starting weight-loss injections
This trial tests whether a multivitamin can help people on the weight-loss injection Tirzepatide maintain healthy vitamin levels. If you're using this injection and meet the other criteria, you may join.
AmersfoortAges 18–70 - NCT07117240Enrolling by invitationPhase 4
GLP-1 drugs for steroid-induced diabetes
This trial tests whether a GLP-1 receptor agonist (a type of diabetes medication) can safely and effectively treat high blood sugar caused by long-term steroid use. It may help people with type 2 diabetes or steroid-induced diabetes who take oral steroids for conditions like asthma, arthritis, or kidney disease.
Warsaw, WarsawAges 18 years+ - NCT07057310Enrolling by invitationPhase 4
Weight Loss Drug for Postmenopausal Women With Obesity
This study tests a GLP-1 agonist medication (like Ozempic) to help postmenopausal women lose weight and improve physical and blood vessel health. It focuses on women aged 46–60 with obesity.
Jacksonville, FloridaAges 46–60 - NCT07007897Enrolling by invitation
Cataract treatment observation study
This study is for people with cataracts who are planning to get treatment. It will observe your eye health and treatment process without giving you any new medicine.
Mesa, ArizonaAges 21 years+ - NCT06970171Enrolling by invitation
Willingness to use a sleep apnea mouthpiece
This trial tests how well people accept a mouthpiece (mandibular advancement device) to treat obstructive sleep apnea (a condition where your breathing stops and starts during sleep). If you have sleep apnea and can wear a device that moves your lower jaw forward while you sleep, you may be able to join.
Greifswald, Mecklenburg-VorpommernAges 18–75 - NCT06931743Enrolling by invitation
Electrical stimulation for pain after thyroid surgery
This trial tests if electrical stimulation can help reduce pain after thyroid surgery. It is for people who have at least moderate pain after their operation.
Shanghai, Yangpu DistrictAges 18 years+
Common questions
- Are there clinical trials studying S-1?
- Yes. Clin2 currently lists 796 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.