Type 1 diabetes mellitus 1

This study tests a treatment called VX-880 for people with type 1 diabetes who have dangerous low blood sugar episodes. The therapy uses donor cells that can produce insulin, aiming to let participants stop taking insulin shots and avoid severe hypoglycemia. About 52 adults with …

This study follows 630 people with type 1 diabetes in Japan who are already prescribed Awiqli, a once-weekly injection. Researchers will track side effects and blood sugar control over one year to see how the drug works in everyday life. The goal is to manage diabetes, not cure i…

This study compares a new insulin that is injected once a week (insulin icodec) to a standard daily insulin (insulin glargine) in about 877 adults with type 1 diabetes. The goal is to see if the weekly insulin controls blood sugar just as well as the daily one. Participants will …

This study tests whether baricitinib, a pill, can help preserve the body's ability to make insulin in people newly diagnosed with type 1 diabetes. About 300 children and young adults (ages 1 to under 36) will take either baricitinib or a placebo for 60 weeks. The goal is to see i…

This study compares the iLet Bionic Pancreas, an automated insulin delivery system, to standard care for adults with type 1 or type 2 diabetes who use insulin. About 240 participants will use the device for 13 weeks or continue their usual routine. The goal is to see if the devic…

This early-phase study tests whether dichloroacetate (DCA), a drug used safely for decades in a rare metabolic disorder, can improve brain function during low blood sugar (hypoglycemia) in people with type 1 diabetes. Sixteen participants with a history of severe hypoglycemia or …

This early-stage study is testing a new insulin pill (SCD0503) in 16 men with type 1 diabetes. The goal is to see how well the pill works compared to standard injected insulin and whether it is safe. Participants will have their blood sugar carefully controlled during the study t…

This study tests an experimental pill called cadisegliatin taken alongside insulin in adults with type 1 diabetes. The goal is to see if it can lower the number of dangerously low blood sugar events (hypoglycemia) without worsening overall blood sugar control. About 150 participa…

This study tests whether a continuous glucose monitor (CGM) helps control blood sugar better than standard finger-stick checks for people with diabetes who are recovering at home through Mayo Clinic's Advanced Care at Home program. About 100 participants will use the Dexcom G6 PR…

This study follows 350 people with type 1 diabetes in France who use the Control-IQ insulin pump system. Researchers want to see how safe and effective the system is over 12 months, focusing on blood sugar control and quality of life. Participants must be at least 6 years old and…

This study is testing a new glucose monitoring system called Eversense Gemini, which includes a flash glucose measurement feature. The goal is to see how accurate and safe it is for adults with type 1 or type 2 diabetes. About 80 participants will wear the device and have their g…

This study tests whether automated insulin pumps (hybrid closed loop systems) can help underserved adults with type 1 diabetes better control their blood sugar. About 140 participants will be randomly assigned to use one of three FDA-approved pump systems or continue with standar…

This study tests whether a daily pill called sotagliflozin can slow kidney function loss in people with type 1 diabetes who already have moderate to severe kidney disease. About 150 participants will take either the drug or a placebo for 3 years, while following a special plan to…

This study tests a two-step transplant for children with type 1 diabetes who also have an immune deficiency. First, they receive umbilical cord blood stem cells to rebuild their immune system. Then, if that works well, they get a transplant of insulin-producing islet cells. The g…

This study tests whether a very-low-carbohydrate (ketogenic) diet can safely improve blood sugar control in adults with type 1 diabetes. Researchers will enroll 58 people and measure changes in blood sugar levels and insulin sensitivity. Participants will follow the diet for a pe…

This study tests whether a nutrition program that provides twice-daily meal delivery for up to 90 days after hospital discharge, plus diet education, can reduce food insecurity in people with type 1 or type 2 diabetes. About 160 hospitalized patients who screen positive for food …

This phase 3 trial is testing whether semaglutide, a drug already used for type 2 diabetes and weight loss, can improve heart and kidney function in adults with type 1 diabetes. The study will measure artery stiffness, insulin sensitivity, and kidney blood flow in 60 participants…

This early-phase study tests a new treatment called OPF-310, which uses pig islet cells enclosed in a protective capsule, for people with unstable type 1 diabetes who still experience severe low blood sugar episodes despite using an automated insulin pump and continuous glucose m…

This study tests whether combining automated insulin pumps (Omnipod 5 or Medtronic 780G) with specialized education can help adults with type 1 diabetes who have lost the ability to feel low blood sugar (hypoglycemia). The trial will enroll 324 participants and follow them for up…

This study enrolls 50 children and teens (ages 6 to under 18) with type 1 diabetes who have high blood sugar levels and come from low-income families. Participants will receive help from an insurance navigator to get a closed-loop insulin pump and continuous glucose monitor. The …

This study tests whether adding a natural gut hormone called gastrin to islet cell transplants can help people with hard-to-control type 1 diabetes produce their own insulin and stabilize blood sugar. About 20 adults aged 18-68 with unstable type 1 diabetes will receive donor isl…

This early-phase trial is testing a new treatment called CELZ-201 for people recently diagnosed with type 1 diabetes. The treatment involves a one-time infusion of cells from donated tissue into the pancreas. The main goal is to see if it is safe, but researchers will also check …

This study aims to see if a hybrid closed-loop insulin pump (a smart insulin pump) can help adults with poorly controlled type 1 diabetes (A1c >8.5%) from diverse backgrounds. The study will enroll 40 participants from Los Angeles who do not currently use an insulin pump. The goa…

This study tests whether a combination of special immune cells (Tregs) and a drug (rituximab) can delay or prevent type 1 diabetes in children aged 6–16 who are at high risk but still produce insulin normally. About 150 participants will be randomly assigned to one of four groups…

This study is testing a new automated insulin delivery system for adults with type 1 diabetes. The system uses a patch pump and a smart algorithm to adjust insulin automatically. Researchers will check if it improves blood sugar control and is safe to use in daily life. 200 parti…

This study tests whether transplanting insulin-producing islet cells from deceased donors can help people with brittle type 1 diabetes achieve safer blood sugar control without insulin shots. Up to 20 adults aged 18–70 with long-standing type 1 diabetes will receive the cells thr…

This phase 2 trial tests whether transplanting insulin-producing islet cells from deceased donors can help people with type 1 diabetes who have already received a kidney transplant. The goal is to achieve safe blood sugar levels without insulin shots. Ten participants will receiv…

This study compares having one laser treatment versus several sessions for a serious diabetic eye condition that can cause blindness. Researchers want to see which approach is safer and works better. The study will involve 40 adults with type 1 or type 2 diabetes who have this ey…

This study tests whether an online training and peer support platform (Support-t) helps teens with type 1 diabetes prepare for the move from pediatric to adult healthcare. About 200 teens aged 14-16 will either use the platform plus usual care or just usual care. The main goal is…

This study tests whether inhaled insulin (Afrezza) given with a meal is safer than a standard pump insulin bolus for preventing low blood sugar during exercise afterward. About 30 adults with type 1 diabetes who use automated insulin pumps will complete three exercise sessions in…

This early-stage trial tests a new treatment called RGB-5088 for people with type 1 diabetes. It involves transplanting insulin-making cells under a muscle layer in the abdomen. The goal is to see if it is safe and if it can help patients control blood sugar without insulin shots…

This study tests whether the drug baricitinib can delay the onset of type 1 diabetes in children aged 1 to 36 months who are at high risk. Participants take baricitinib or a placebo daily for up to 5 years. The goal is to see if the drug can push back or prevent the need for insu…

This study tests whether giving the COVID-19 vaccine (Comirnaty) to children starting at 6 months old can lower their chance of developing type 1 diabetes. The trial will include 2,252 children who have a high genetic risk for the disease. Half will get the vaccine, half a placeb…

This study tests a group-based psychological program called ACTnow for emerging adults (ages 18-35) with type 1 diabetes who feel overwhelmed by their condition. The program includes six bi-weekly sessions led by a psychologist and nurse, focusing on mindfulness and acceptance st…

This early-stage study tests a new drug called LY4057996 in 124 healthy volunteers and people with type 1 or type 2 diabetes. The main goal is to see if the drug is safe and what side effects it may cause. Participants receive the drug as a shot under the skin or into a vein, and…

This study looks at whether watching an animated film or reading a storybook can lower fear and anxiety in children aged 7 to 12 who have just been diagnosed with type 1 diabetes. About 64 children will take part, and their anxiety levels will be measured using special child-frie…

This study tests whether cognitive behavioral therapy for insomnia (CBTi) can improve sleep, blood sugar levels, and quality of life in adults with type 1 diabetes. Fifteen participants will either receive 8 virtual CBTi sessions or health education emails and calls over 12 weeks…

This study compares two virtual group programs—one focused on emotions, the other on problem-solving—to help adults with type 1 diabetes reduce diabetes distress. Participants who don't improve can get extra one-on-one sessions. The goal is to find better ways to support emotiona…

This study aims to better understand and treat people with certain inherited metabolic or genetic disorders. Researchers will use standard medical tests like blood work and imaging to diagnose and care for participants, who may also join other related studies. The goal is to expa…

This study is testing whether a mobile app called Fabla-diabetesMM, which lets people record audio diaries, is easy and helpful for older adults with type 1 or 2 diabetes who also have other health conditions. Thirty participants will use the app and answer questions about their …

This study looks at whether a genetic risk score can predict which people with newly diagnosed diabetes will eventually need insulin. Researchers will follow about 3,000 patients aged 14 to 50 for up to 3 years, tracking their C-peptide levels (a marker of insulin production) and…

This study looks at whether a substance in the blood called 1,5-anhydroglucitol can help measure how many insulin-making cells (beta cells) children with type 1 diabetes still have. Researchers will compare levels in 60 children with diabetes (newly diagnosed and long-term) to he…

This study looks at whether exercising before breakfast (fasted) or after breakfast (fed) is better for people with type 1 diabetes. Over 12 weeks, 20 participants will do combined resistance and aerobic training three times a week. Researchers will track insulin doses and blood …

This study tests whether a machine learning program can detect lipohypertrophy—hidden lumps under the skin caused by insulin injections—using portable ultrasound. About 100 people with diabetes will first have their injection sites scanned. In a second phase, 40 people found to h…

This study is testing a new online platform called Nest for young adults aged 18-39 who have had genetic testing for cancer risk. The platform gives both patients and their doctors access to updated information about genetic findings. Researchers want to see if the tool is easy t…

This study from St. Jude Children's Research Hospital looks at how parents and children (ages 10-24) talk about the child's genetic risk for cancer. The goal is to understand what helps or hinders these conversations, so doctors can create better education programs. The study wil…

This study aims to understand the step-by-step process that causes type 1 diabetes by looking at genetics and environment. Researchers will follow families with a history of the disease, as well as healthy controls, for up to 10 years. Participants provide a blood sample, medical…

This early study tests whether two modified insulins (diluted U-200 Humalog and diluted U-500 Humulin) work faster than a current rapid insulin (Lyumjev) in 20 adults with type 1 diabetes who use insulin pumps. Participants receive each insulin after a meal, and researchers measu…

This study aims to understand how insulin sensitivity and blood sugar levels change across menstrual cycles in women with type 1 diabetes. Researchers will track 350 women aged 18-40 who have regular periods and use automated insulin delivery systems. The goal is to identify patt…

This observational study at Turku University Hospital will use ultrasound radiomics to compare fetal liver texture between 60 pregnant women with type 1 diabetes and healthy controls. The goal is to see if this noninvasive method can detect signs of fetal hyperinsulinemia (high i…

This study compares two ways to provide pre-test genetic counseling to people at high risk for hereditary cancers: a chatbot (Genetic Information Assistant) versus a live telegenetics session with a genetic counselor. About 96 participants will be randomly assigned to one method,…