Clinical trials
Gastrectomy clinical trials
Below are recruiting gastrectomy clinical trials, each written for real people, not researchers. We’re tracking 144 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07033221Recruiting
Balance and inner ear function in obesity
This study looks at how obesity affects your sense of balance (vestibular function). It compares people with obesity who are candidates for weight-loss surgery to people without obesity, to see if weight affects balance.
Istanbul, KüçükçekmeceAges 18–60 - NCT07058155RecruitingPhase 4
TIPS and weight-loss surgery for liver disease with high blood pressure
This trial tests if doing a TIPS procedure (to lower blood pressure in the liver) before weight-loss surgery (sleeve gastrectomy) helps people with advanced liver disease. It's for those who have cirrhosis and very high blood pressure in the liver, and who qualify for sleeve gastrectomy.
Cleveland, OhioAges 18–70 - NCT07093502Recruiting
Predicting outcomes after weight-loss surgery for severe obesity
This study is creating a system to predict how well people do after weight-loss surgery for severe obesity. It focuses on patients getting either a sleeve gastrectomy or a gastric bypass and aims to improve recovery and long-term results.
Changsha, HunanAges 18–50 - NCT07137117Recruiting
Phone counseling after sleeve gastrectomy for better health
This study tests whether phone counseling can help you eat better, stay active, and take your medications as prescribed after sleeve gastrectomy weight-loss surgery. If you qualify, you will receive regular calls from a counselor to support your recovery.
Adana, YüreğirAges 18–65 - NCT07139418Recruiting
Studying lymph nodes around the stomach in cancer surgery
This trial studies the importance of checking lymph nodes in the fatty tissue around the stomach during stomach cancer surgery. It helps doctors understand if examining these specific areas can improve treatment decisions.
Hangzhou, ZhejiangAges 18–85 - NCT07250347Recruiting
AI-assisted detection of gastric cancer on CT scans
This trial uses artificial intelligence to analyze contrast-enhanced CT scans of patients with gastric cancer. It aims to improve how doctors detect and stage the disease, which may lead to better treatment decisions.
Nanjing, JiangsuAges 18–85 - NCT07286968Recruiting
Digestion Study After Weight-Loss Surgery
This study looks at how digestion works after weight-loss surgery. Volunteers may be people with obesity or those who had gastric bypass or sleeve gastrectomy at least a year ago. The goal is to learn more about gut function after surgery.
LeuvenAges 18–65 - NCT07311525Recruiting
Nerve blocks for pain after weight-loss surgery
This study compares two types of nerve blocks to see which one provides better pain relief after weight-loss surgery (sleeve gastrectomy). If you qualify, you will receive one of these nerve blocks before surgery to help manage your recovery pain.
Banī Suwayf, Beni Suweif GovernorateAges 18–65 - NCT07366502Recruiting
Liposomal vs Regular Oral Iron After Sleeve Gastrectomy
This trial compares two types of oral iron supplements for people who have iron deficiency anemia after a sleeve gastrectomy. It aims to find which type is more effective at raising iron levels.
Istanbul, kadıköyAges 18–65 - NCT07396545Recruiting
Comparing two types of nerve blocks for pain after stomach cancer surgery
This trial looks at two different pain-blocking injections (nerve blocks) to see which one works better for pain after keyhole stomach cancer surgery. If you are having this type of surgery, joining could help us learn which block gives you better pain relief.
Yinchuan, NingxiaAges 18 years+ - NCT02823665RecruitingEarly Phase 1
Compare how bariatric surgery affects blood sugar changes
This early trial studies how blood sugar moves in people after certain weight-loss surgery compared with people without surgery. It may help researchers understand why blood sugar can drop too low and how treatments like atropine affect that process.
San Antonio, TexasAges 18–65 - NCT02811900Recruiting
Study of outcomes after weight-loss (bariatric) surgery
This study follows adults who have bariatric (weight-loss) surgery to see what outcomes they experience afterward. It may help doctors better understand how well the surgery works in real life.
StrasbourgAges 18 years+ - NCT02390973Recruiting
Bariatric-style surgery vs best diabetes care for long remission
This trial compares surgery plus follow-up care versus the best non-surgical (medical) treatment to help people keep type 2 diabetes in remission for a long time. It may be an option if you have higher body weight and diabetes that’s not well controlled, but safety checks are strict.
Québec, QuebecAges 18–60 - NCT07429916RecruitingEarly Phase 1
Ketamine for shoulder pain after weight loss surgery
This trial tests if a single dose of ketamine, given during surgery, can reduce common shoulder pain after laparoscopic gastric sleeve surgery. If you are having this weight-loss procedure and meet the weight and health criteria, this study may help improve your recovery.
IrbidAges 18–60 - NCT07446972Recruiting
Bariatric surgery and female sexual health study
This study looks at how weight-loss surgery (bariatric surgery) affects a woman's sexual function and hormone levels. It follows women who are already scheduled for surgery to see if their sexual health changes after the procedure.
Cairo, Al-Manial CairoAges 18–45 - NCT07448896Recruiting
Studying immune cells in stomach tissue after weight loss surgery
This study looks at how certain immune cells (mast cells and macrophages) and small blood vessels change in the stomach tissue of people who have weight loss surgery. It may help researchers better understand how the body responds to surgery and weight loss.
Alexandria, Alexandria GovernorateAges Any age - NCT07496086Recruiting
Comparing two nerve blocks for stomach surgery pain
This trial compares two types of nerve blocks to see which one reduces pain better after laparoscopic stomach cancer surgery. If you qualify, you'll help doctors find the best way to manage pain with fewer side effects.
YinchuanAges 18 years+ - NCT07504913Recruiting
Quality of life survey for stomach cancer patients after surgery
This study tests a new questionnaire to measure quality of life in people who had surgery to remove stomach cancer. If you had surgery for stomach cancer between 1 month and 5 years ago and are cancer-free now, your answers can help improve care.
Badalona, BarcelonaAges 18 years+ - NCT07517432Recruiting
Registry tracking robotic surgery outcomes in gastric cancer
This study follows patients with stomach cancer who have robotic-assisted surgery to understand how well this advanced surgical approach works. By collecting information from multiple hospitals worldwide, researchers can learn what outcomes patients experience and how to improve care.
Hong KongAges Any age - NCT07525765Recruiting
AI tool to help decide if you need surgery again after stomach cancer operation
This study uses artificial intelligence to help doctors decide whether patients who bleed after stomach cancer surgery need another operation. Researchers will review medical records and test an AI system to improve decision-making for this serious complication.
Hangzhou, ZhejiangAges 18–90 - NCT06707714Enrolling by invitation
Metabolic benefits after stomach cancer surgery
This study looks at how stomach cancer surgery affects metabolic syndrome (high blood pressure, diabetes, and related conditions). It aims to understand why some patients see improvements in these conditions after surgery.
Chongqing, Chongqing MunicipalityAges 18 years+ - NCT06686875Enrolling by invitation
Chronic belly pain after sleeve gastrectomy study
This study looks at long-term belly pain in people who had a sleeve gastrectomy 3 months to 5 years ago. It aims to understand the pain better to help future patients.
WarsawAges 18 years+ - NCT05207917Enrolling by invitation
Study of how weight-loss surgery changes well-being and social life
This study looks at how bariatric surgery (either sleeve gastrectomy or gastric bypass) affects your mood, daily life, and social experiences. You may be able to join if you’re already scheduled for surgery and can complete questionnaires in Norwegian.
Tønsberg, VestfoldAges 18–80 - NCT03692455Enrolling by invitation
Compare two weight-loss surgeries for reflux over 8 years
This study follows people for up to 8 years to see how two different weight-loss surgeries affect ongoing heartburn and acid reflux. You would join only if you were already enrolled in an earlier related study and can complete required follow-up visits and tests.
Passo Fundo, Rio Grande do SulAges 18–78
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Common questions
- Are there clinical trials for gastrectomy?
- Yes. Clin2 currently lists 144 recruiting gastrectomy studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a gastrectomy trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a gastrectomy trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.