Primary hyperthyroidism

This early-stage trial tests a new biologic drug called MER511 in 100 adults with Graves' disease. The main goal is to check safety and side effects, and to see how the body handles the drug when given by IV or injection. Participants must be on stable thyroid medication. The stu…

This study tests whether BHV-1300 can help adults with Graves' disease achieve normal thyroid function without antithyroid drugs. Participants receive either BHV-1300 or a placebo via injection. The main goal is to see if more people on BHV-1300 have normal thyroid hormone levels…

This trial tests a new drug called IMVT-1402 for adults with Graves' disease, a condition where the thyroid is overactive. The study will include 210 participants who still have high thyroid levels despite taking standard medications. Participants will receive either one of two d…

This phase 2 trial tests two doses of rilzabrutinib, an oral drug, in 30 adults with Graves' disease (with or without eye problems). The main goal is to see if the drug lowers high thyroid hormone levels over 16 weeks. Researchers will also monitor safety and side effects.

This early study is testing a new drug called BHV-1300 in 15 people with Graves' disease. The main goal is to see if the drug is safe and to check how it affects certain markers of the disease. This is a phase 1 trial, so it's one of the first steps in testing this treatment in h…

This phase 2b trial tests an experimental drug called IMVT-1402 in 240 adults with Graves' disease whose thyroid is still overactive despite standard treatment. The goal is to see if the drug can help patients achieve normal thyroid hormone levels and stop taking antithyroid medi…

This study tests a new approach for treating hyperthyroidism (overactive thyroid) by combining a minimally invasive heat procedure with standard medication. About 454 adults with hyperthyroidism will receive thermal ablation to destroy overactive thyroid tissue, plus antithyroid …

This early-phase trial tests HN2301, a new type of CAR-T therapy given directly into the blood, for people with refractory Graves' disease—a thyroid condition that doesn't respond well to standard treatments. The therapy reprograms the body's own immune cells to target and calm t…

This early-stage trial tests a single injection of a new drug called GenSci098 in 24 adults with Graves' disease, a condition where the thyroid is overactive. The main goal is to check safety and side effects over about 5 months. Researchers will also measure how the drug moves t…

This study looks at whether giving Lugol's solution before removing the thyroid gland can lower the chance of two common surgery complications: low calcium levels from damaged parathyroid glands and vocal cord weakness from nerve injury. About 182 adults with overactive thyroid f…

This pilot study tests whether adding high-dose vitamin D to standard methimazole therapy helps control thyroid function and antibodies in children aged 9-17 newly diagnosed with Graves' disease. The main goal is to see if a larger trial is possible by measuring recruitment, adhe…

This early-phase trial tests a single infusion of genetically modified immune cells (CAR-T cells) in 4 people with refractory Graves' disease, a thyroid condition that doesn't respond well to standard medication. The cells target two proteins (CD19 and BCMA) to reset the immune s…

This pilot study will test the safety of thyroid artery embolization (TAE) in 10 UK patients with benign thyroid nodules or goitre. TAE is a minimally invasive procedure that blocks blood flow to the thyroid gland using tiny particles, causing it to shrink. The goal is to see if …

This study tests a computer model called OptiThyDose that helps doctors find the best dose of thyroid medication for children with congenital hypothyroidism or Graves' disease. The model uses past lab results to keep thyroid hormone levels in a healthy range. About 150 children w…

This study tests whether a device called PTeye, which uses near-infrared light to make parathyroid glands glow, helps surgeons find and protect these tiny glands during thyroid surgery. The trial will compare outcomes in 154 patients who have their first total thyroidectomy, with…

This study tests a software called Glandy HYPER that uses artificial intelligence to detect thyrotoxicosis—a dangerous overactive thyroid state—in people with Graves' disease. The AI analyzes resting heart rate data from wearable devices like smartwatches and compares it with sta…

This study tests a new imaging method called Al18F-NOTA-FAPI-04 PET/CT or PET/MRI to see if it can better detect and guide treatment for malignant tumors, heart problems, and autoimmune diseases like hyperthyroidism. About 600 adults will receive the imaging agent and be monitore…

This study tests whether using a special dye (indocyanine green) during total thyroidectomy helps surgeons see and protect the parathyroid glands, reducing the risk of permanent hypoparathyroidism. About 242 adults scheduled for total thyroid removal will be randomly assigned to …

This study is testing whether giving patients unlimited access to a secure website with an explanatory video about thyroid surgery can lower their anxiety before the operation. About 220 adults scheduled for thyroid surgery will take part. Researchers will measure anxiety using s…

This study tests whether adding neck massage, stretches, and pain education to standard voice exercises can improve voice, swallowing, and scar quality after total thyroidectomy. Adults scheduled for total thyroid removal are invited to participate. They will attend sessions with…

This study looks at whether radiofrequency ablation (RFA) can safely reduce symptoms and improve quality of life in adults with benign thyroid nodules. Fifty participants will undergo the procedure and be followed for one year. The goal is to see if this minimally invasive heat t…

This study tests whether giving a drug called dexmedetomidine during thyroid surgery helps patients wake up more smoothly. The drug aims to reduce coughing, agitation, and the amount of anesthesia needed. About 100 adults having thyroid surgery will be randomly assigned to receiv…

This study tests whether a cold plasma device applied during and after thyroid surgery can speed up wound healing and reduce pain and infection. About 26 adults having their thyroid removed will be randomly assigned to get either standard wound care or the plasma treatment. Resea…

This study tests whether a person-centred care (PCC) programme, delivered by phone and online, can help people with Graves' disease feel better mentally and return to work. 220 adults with first-time Graves' disease will be randomly assigned to receive either usual care or usual …

This study tests whether a special course on mental fatigue can help people with Graves' disease who struggle with ongoing brain tiredness, trouble focusing, and memory issues. About 96 adults aged 18-72 with stable thyroid levels will either take the course plus standard care or…

This study at the National Institutes of Health is looking at 1,000 adults with known or suspected hormone gland (endocrine) disorders. The goal is to better understand these conditions and help train doctors. Participants may receive tests, treatments, or surgery as part of thei…

This study enrolls up to 15,000 children with known or suspected endocrine or metabolic disorders, along with their family members. Researchers will collect medical records, blood, saliva, and other samples to identify genetic changes linked to these conditions. The goal is to be…

This study tests whether a nerve block in the neck, given during thyroid surgery, can lower the body's stress response. 48 adults will be split into two groups: one gets standard anesthesia, the other gets the same plus a nerve block. Researchers will measure stress markers in bl…

This study enrolls adults with known or suspected endocrine (hormone gland) disorders, such as diabetes or thyroid disease, to help researchers learn more about these conditions. Participants will undergo medical exams, blood and imaging tests, and possibly genetic testing. The m…

This study is testing a tool called B-COMPASS that uses a 22-question survey to predict whether people will follow their prescribed treatments. Researchers will enroll 3100 adults with cardiovascular, endocrine, immune, nerve, cancer, or rare diseases across Europe. The goal is t…

This study looks at 100 people with Graves disease to see if inflammation and thyroid antibodies are linked to changes in the eye's nerve layer and macula. Researchers will compare eye scans (OCT) and blood tests between patients with and without eye involvement, plus healthy con…

This study looks at how changing thyroid hormone levels affect the way the body uses sugar and fat. Researchers will study people with Graves' disease (whose thyroid hormones are too high) and people with thyroid cancer (whose hormones are intentionally raised). Participants will…

This study looks at the best dose of a sedative called ciprofol for people having thyroid surgery. About 101 adults will receive this medicine to put them to sleep, and researchers will track how their brain activity changes. The goal is to find the exact amount needed for safe a…

This study tests a special collar worn around the neck that measures radiation exposure in people with thyroid cancer or Graves' disease receiving radioactive iodine therapy. The goal is to see if this device gives more accurate dosing information than current methods, potentiall…

This study investigates why some people with Graves' disease continue to feel mentally fatigued even after their thyroid levels return to normal. Researchers will compare blood and spinal fluid from 180 participants—60 with mental fatigue, 60 without, and 60 healthy controls—to f…