Polyradiculoneuropathy

This early-phase trial is testing a new treatment called KITE-363 for people with certain autoimmune nerve diseases that have not responded to standard therapies. KITE-363 is a type of CAR T-cell therapy that uses a patient's own immune cells, modified to target and attack faulty…

This study tests two different doses of an intravenous immune globulin (IGIV 10%) as maintenance therapy for adults with chronic inflammatory demyelinating polyneuropathy (CIDP), a nerve disorder causing weakness and numbness. About 161 participants will receive either a higher o…

This study tests whether a weekly under-the-skin antibody treatment (XEMBIFY) provides similar blood levels as a standard IV infusion (Gamunex-C) given every 3 weeks in people with CIDP, a chronic nerve disorder. About 40 adults who are stable on IVIG will first receive Gamunex-C…

This early study tests a new treatment called azercabtagene zapreleucel (azer-cel) for people with B-cell mediated autoimmune disorders like multiple sclerosis and neuromyelitis optica. The treatment uses a patient's own immune cells that are modified in a lab to target and destr…

This study tests a new drug called riliprubart against standard IVIg treatment in 160 adults with chronic inflammatory demyelinating polyneuropathy (CIDP), a nerve disorder causing weakness and numbness. Participants currently on IVIg will be randomly assigned to receive either r…

This phase 3 trial tests whether empasiprubart, given by IV infusion, can help adults with chronic inflammatory demyelinating polyneuropathy (CIDP), a nerve disorder that causes weakness and disability. The study will enroll 160 participants. For the first 6 months, some get the …

This study tests a drug called riliprubart in 140 adults with chronic inflammatory demyelinating polyneuropathy (CIDP) that hasn't improved with standard care. Participants receive either riliprubart or a placebo for up to 111 weeks. The main goal is to see if the drug reduces di…

This study tests a new medicine called empasiprubart against the standard treatment (IVIg) for people with chronic inflammatory demyelinating polyneuropathy (CIDP), a nerve disease that causes weakness and numbness. About 218 adults who have used IVIg before will receive either t…

This Phase 2b study tests whether the drug IMVT-1402 can help adults with CIDP, a nerve disorder causing weakness and numbness. About 162 participants will receive either the drug or a placebo weekly for up to 52 weeks. The main goal is to see if the drug keeps the disease from w…

This study tests whether the drug nipocalimab can delay or prevent relapses in adults with CIDP, a rare nerve disorder that causes weakness and numbness. Participants first receive nipocalimab, and those who improve are then randomly assigned to continue the drug or switch to a p…

This Phase 3 trial tests whether the drug claseprubart (DNTH103) can prevent relapses in adults with CIDP, a nerve disorder that causes weakness and disability. About 256 participants will receive either the drug or a placebo. The main goal is to see how long it takes for symptom…

This study looks at two different doses of a medicine called Privigen in children aged 2 to 17 with a nerve disease called CIDP. The goal is to see which dose better prevents the disease from getting worse. About 30 children will take part, and the study is currently recruiting.

This early-phase study tests a new treatment called RD06-05, which uses specially engineered immune cells (CAR-T cells) to target and calm the immune system in people with neurological autoimmune diseases like multiple sclerosis, myasthenia gravis, chronic inflammatory demyelinat…

This early-phase trial is testing a new cell therapy called QH103 for people with severe autoimmune diseases like multiple sclerosis and myasthenia gravis that haven't responded to standard treatments. The therapy uses specially engineered immune cells to target and attack the fa…

This study compares two treatments for CIDP, a nerve condition that causes weakness and numbness. It involves 20 adults who did not get better with steroids. One group receives a blood-filtering procedure called immunoadsorption, and the other receives standard antibody infusions…

This Phase 2 study is testing TAK-411, a specially modified immune globulin, in 36 adults with CIDP, an autoimmune disease that attacks nerve insulation and causes muscle weakness. The main goal is to see if TAK-411 improves physical function over 24 weeks compared to historical …

This study follows 200 adults with chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) who are starting treatment with efgartigimod. Researchers will track changes in disability, grip strength, and quality of life over up to 2 years in everyday clinical settings. The…

This program offers efgartigimod PH20 SC to adults with CIDP who cannot join clinical trials and have not been helped by existing treatments. The drug is injected under the skin and aims to control the disease. The program continues until the patient stops treatment or the drug b…

This early-stage study tests a new cell therapy called CNCT19 in 18 adults with relapsed or treatment-resistant autoimmune neurological diseases like neuromyelitis optica. The goal is to see if it is safe and can help control the disease by targeting certain immune cells. Partici…

This phase 3 trial is testing whether a new, more concentrated antibody treatment (TAK-881) works similarly to the current standard (HYQVIA) for adults with chronic inflammatory demyelinating polyradiculoneuropathy (CIDP). About 59 participants who already receive antibody infusi…

This early-stage study tests a new treatment using specially engineered immune cells (CAR T-cells) that target two proteins, CD19 and BCMA, to calm overactive immune attacks in people with severe autoimmune diseases like multiple sclerosis, myasthenia gravis, and neuromyelitis op…

This study follows 30 adults with chronic inflammatory demyelinating polyneuropathy (CIDP) who are switching to the treatment HyQvia. Researchers will use questionnaires and medical records to understand why patients chose to switch, how satisfied they are, and how the treatment …

This study is testing a blood-filtering treatment called immunoadsorption for people with CIDP, a nerve disorder causing weakness and numbness. About 140 adults who did not get better with standard treatments will be observed for 18 months. The goal is to see if immunoadsorption …

This study tests a device called Walkasins, worn on the lower legs, that vibrates to give sensory feedback about foot pressure. The goal is to see if using it daily for six months improves balance and walking in 200 adults aged 55+ with peripheral neuropathy. Participants will do…

This study tests whether custom 3D-printed cutlery handles can help people with neurodegenerative diseases eat more independently. 75 patients in rehabilitation care will try handles in different sizes, designed to fit their grip. Researchers will measure changes in eating abilit…

This study tests whether balance rehabilitation that changes how patients see (closing eyes, using a mask, or projecting moving dots) can improve walking stability better than standard rehab with eyes open. It includes 40 adults with chronic nerve damage who have trouble with bal…

This study tests whether whole-body electrical muscle stimulation (WB-EMS) can help adults with neuromuscular diseases like ALS, SMA, and muscular dystrophy exercise safely. Because these conditions weaken the nerves that control muscles, traditional exercise is often too hard. W…

This study looks at whether smartwatches can help monitor chronic inflammatory demyelinating polyneuropathy (CIDP), a rare nerve disease that causes weakness and numbness. 35 adults with CIDP who use subcutaneous immunoglobulin therapy at home will wear a smartwatch for 12 months…

This study aims to see if a quick bedside sensory test can predict which painkiller—pregabalin, duloxetine, or a placebo—works best for people with nerve pain in their feet. About 190 adults with diabetic, chemotherapy-related, or idiopathic nerve pain will try each treatment for…

This study looks at people with brain damage from strokes, tumors, or other conditions to understand why they have specific thinking problems. Researchers will use brain scans and cognitive tests to link brain areas to deficits. The goal is to learn more about how the brain works…

This study looks at how nerves work in people with Charcot-Marie-Tooth disease and other nerve disorders like CIDP. Researchers will use special electrical tests and ultrasound to measure nerve and muscle changes. The goal is to better understand these conditions, not to test a n…

This study gathers medical information from 200 adults with possible nerve, muscle, or autonomic nervous system disorders who are not already in other NIH studies. Participants undergo standard tests like nerve conduction studies, EMG, and physical exams. The data is stored anony…

This study is collecting information from 4,000 adults with peripheral neuropathy (nerve damage) to better understand the condition. Researchers will combine standard tests with nerve ultrasound to see if it helps diagnose and track the disease. No new treatments are being tested…

This study follows pregnant women who have taken efgartigimod for myasthenia gravis or CIDP, as well as women exposed only during breastfeeding. Researchers will monitor pregnancy outcomes and infant health, including birth defects, to better understand the drug's safety. The goa…

This study is looking at how people with conditions like schizophrenia, bipolar disorder, depression, and neurological diseases (such as Alzheimer's or stroke) perform on computer-based thinking tests. The goal is to create a detailed map of cognitive strengths and weaknesses acr…

This study looks at how a person's body composition (fat and muscle) affects the way immunoglobulin G (IgG) moves through the body after being given through a vein or under the skin. Researchers will enroll 20 adults with a nerve condition called CIDP who already receive IgG ther…

This study is collecting nerve samples and biofluids from 400 people with ALS or peripheral neuropathies to find biological markers for early diagnosis and disease tracking. By analyzing individual cells, researchers hope to identify molecular changes that happen before symptoms …

This study looks at whether using a swallow gel or a semi-solid vehicle can help people with neurological conditions swallow pills more easily and safely. Researchers will observe 500 participants, including patients with swallowing disorders and healthy volunteers, as they swall…

This study looks at whether ultrasound can detect nerve changes in people with Guillain-Barré syndrome (GBS) and chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) earlier than standard tests. Researchers will compare ultrasound images with nerve conduction studies …