Thrombotic microangiopathy

This study tests a new biologic drug called ianalumab combined with a standard platelet-boosting drug (TPO-RA) in people with immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, causing bleeding. The trial includes 164 adults who have tried at l…

This study tests a drug called pirtobrutinib in adults with immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, causing bleeding risks. The trial has two parts: first, finding safe doses, then comparing pirtobrutinib to a placebo to see if it ra…

This study tests a drug called tafasitamab in adults with two rare autoimmune blood disorders: immune thrombocytopenia (ITP) and warm autoimmune hemolytic anemia (wAIHA). The goal is to see if it can safely raise blood cell counts and reduce the need for other treatments. About 5…

This study tests a medicine called KIg 10 (intravenous immunoglobulin) in adults with chronic ITP, a condition where the immune system destroys platelets, causing bleeding and bruising. The goal is to see if KIg 10 can safely raise platelet counts and stop bleeding. About 40 peop…

This early-stage trial tests a one-time treatment called CTX112, made from donor immune cells edited with CRISPR technology. It aims to safely control two autoimmune diseases where the body attacks its own blood cells: immune thrombocytopenia (ITP) and warm autoimmune hemolytic a…

This Phase 3 trial tests whether mezagitamab, given as a shot under the skin, can safely keep platelet counts stable in adults with chronic ITP. ITP is a condition where the immune system destroys platelets, leading to easy bruising and bleeding. The study will compare mezagitama…

This early-stage study tests a new treatment called RN1201 for people with certain blood disorders caused by the immune system attacking the body's own cells. The treatment involves giving patients specially designed immune cells after a short course of chemotherapy to weaken the…

This pilot study tests efgartigimod, a drug that lowers harmful antibodies, in 15 adults with immune-mediated thrombotic thrombocytopenic purpura (iTTP), a rare and life-threatening blood disorder. Participants receive weekly infusions for 8 weeks, then are monitored for another …

This study tests an IV drug called efgartigimod in teens aged 12 to 18 with chronic immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, causing bruising and bleeding. The goal is to find the right dose and see if it safely raises platelet counts…

This study tests whether a second course of ianalumab can help adults with two rare blood disorders—immune thrombocytopenia (ITP) and warm-antibody autoimmune hemolytic anemia (wAIHA)—who previously responded to the drug but then stopped responding. About 60 participants will rec…

This study tests the long-term safety of a drug called mezagitamab for adults with chronic immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, causing easy bruising and bleeding. About 150 participants who completed earlier mezagitamab studies w…

This study looks at the long-term safety and effectiveness of the drug iptacopan in people with a rare blood disorder called atypical hemolytic uremic syndrome (aHUS). Participants must have completed a previous iptacopan study and still benefit from the drug. The goal is to moni…

This early-stage trial is testing a new drug called IASO-782 in 16 adults with autoimmune thrombocytopenia (ITP) or warm autoimmune hemolytic anemia (wAIHA). These conditions cause the immune system to mistakenly attack blood cells. The study's main goal is to check the drug's sa…

This early-stage trial is testing a new drug called SHR-2173 for people with primary immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, causing bleeding. The study will enroll 10 adults to check the drug's safety and how well it works. Particip…

This study tests a weekly injection called romiplostim in 60 adults with immune thrombocytopenia (ITP) whose platelet counts stayed low despite oral medications. The goal is to see if the shot can safely raise platelet levels and reduce bleeding over 24 weeks. Participants stop t…

This early-stage trial tests an injectable drug called GL-2045 in 42 adults with immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, raising bleeding risk. The goal is to see if GL-2045 can safely raise platelet counts like standard IVIg therapy…

This study tests an experimental drug called PF-06835375 in adults with moderate to severe primary immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, raising bleeding risk. The goal is to see if the drug can safely increase platelet counts. Abo…

This study tests an investigational IV drug called efgartigimod in adults with primary immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, raising bleeding risk. About 69 participants will receive either the drug or a placebo for up to 24 weeks,…

This study tests whether adding orelabrutinib to high-dose dexamethasone works better than dexamethasone alone for adults newly diagnosed with primary immune thrombocytopenia (ITP), a condition where the immune system destroys platelets. About 86 participants will receive either …

This study tests whether adding rituximab to eltrombopag works better than eltrombopag alone for adults with immune thrombocytopenia (ITP) whose platelet counts stay low despite prior treatments. About 224 participants will receive either the combo or eltrombopag alone, and resea…

This study is for adults with a rare blood disorder called aHUS who are currently receiving antibody infusions. Researchers want to see if switching to a daily pill called iptacopan is safe and works just as well to prevent dangerous blood clots. About 50 participants will take i…

This study tests whether testicular tissue frozen before puberty can be transplanted back into adult men to restore sperm production. Five men who had fertility-threatening treatments as children will receive their own preserved tissue. The goal is to see if sperm can be found in…

This study is testing the drug ravulizumab in 20 people with atypical hemolytic uremic syndrome (aHUS), a rare condition that causes blood clots and kidney damage. The goal is to see if the drug improves platelet counts and kidney function over 26 weeks. All participants receive …

This study is collecting information from 40 patients with a rare blood disorder called immune-mediated thrombotic thrombocytopenic purpura (iTTP) who have been treated with daratumumab. The goal is to see how well daratumumab works and how safe it is for patients whose disease d…

This study tests a stronger, more frequent dosing schedule of the drug rituximab in children and young adults (ages 1 to 21) with newly diagnosed immune thrombocytopenic purpura (ITP) who are at high risk for severe bleeding. The goal is to see if this approach can safely improve…

This study is checking whether unlicensed cord blood units are safe to use for stem cell transplants in children and adults with blood disorders. Researchers will closely watch for any infusion-related problems. The goal is to see if these units can be a safe option for patients …

This Phase 3 trial tests a human immunoglobulin (IVIG) given intravenously for 5 days to adults with chronic immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, causing bleeding risk. The study will enroll 36 participants in Turkey to see if the…

This early-phase trial is testing a new drug called budoprutug (TNT119) in 24 adults with immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, raising bleeding risk. Participants receive two IV doses and are monitored for safety, how the drug mov…

This phase 2 trial is testing a new approach for people with a specific type of rectal cancer that has spread to a few other spots in the body (oligometastases). The treatment combines short-course radiotherapy, chemotherapy (CAPEOX), and an immunotherapy drug called serplulimab …

This study tests whether the drug lusutrombopag can help restore platelet levels faster in patients who have had a stem cell transplant for blood disorders. About 45 adults will receive the drug after transplant, and doctors will check platelet counts at 21 days. The goal is to i…

This program provides early access to the drug ianalumab (VAY736) for patients with serious or life-threatening conditions like immune thrombocytopenia or Sjögren's syndrome who have no other treatment options. It is not a clinical trial but a managed access program where doctors…

This study tests a new treatment using a patient's own immune cells, modified to target and attack faulty immune cells that cause autoimmune diseases. It is for people with severe, hard-to-treat conditions like lupus. The goal is to see if this therapy is safe and can control the…

This early-stage trial is testing a new drug called PN20 in 12 adults with primary immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, raising bleeding risk. Participants receive a single injection of PN20, which is designed to stimulate platele…

This early-stage study tests a new treatment called RD06-05, a type of CAR-T cell therapy, in 27 adults with autoimmune blood diseases like immune thrombocytopenia (ITP), autoimmune hemolytic anemia (AIHA), or Evans syndrome. The therapy aims to control the disease by targeting a…

This study tests whether a simpler treatment for immune thrombotic thrombocytopenic purpura (iTTP) works as well as the standard approach. Instead of daily plasma exchange (an invasive procedure), patients receive plasma infusions, immune-suppressing drugs, and caplacizumab. The …

This study compares two antibody drugs—daratumumab and rituximab—in 160 adults with immune thrombocytopenia (ITP) whose condition did not improve or came back after steroid treatment. The goal is to see which drug works better at raising platelet counts and reducing bleeding risk…

This study tests whether adding an anti-CD38 antibody to the standard drug rituximab works better than rituximab alone for adults with immune thrombocytopenia (ITP) whose platelet counts stayed low or came back after steroid treatment. About 160 participants will receive either t…

This phase 2 trial tests the drug bortezomib in 29 adults with relapsed or refractory immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, raising bleeding risk. Participants receive bortezomib injections over three weeks for three cycles, then a…

This study tests a new drug, daratumumab, against an older one, rituximab, in children aged 6 to 17 with immune thrombocytopenia (ITP) that didn't improve with steroids. ITP causes low platelets and easy bleeding. The goal is to see which drug works better at raising platelet cou…

This phase 2 trial tests whether combining rituximab with daratumumab can raise platelet counts in adults with immune thrombocytopenia (ITP) who have not responded to steroids. Twenty participants will receive one dose of rituximab and eight doses of daratumumab over eight weeks.…

This phase 2 trial tests an experimental oral drug called DZD8586 (Birelentinib) in adults with primary immune thrombocytopenia (ITP) whose condition did not improve after at least one standard therapy. About 60 participants will receive one of three dose levels to see if it safe…

This early-phase trial tests a new drug called STSA-1301, given as an injection under the skin, for people with immune thrombocytopenia (ITP) — a condition where the immune system destroys platelets, raising bleeding risk. The study will first check safety in healthy volunteers, …

This study tests a combination of two drugs, romiplostim and rituximab, in about 30 adults with primary immune thrombocytopenia (ITP) whose condition did not improve with standard oral treatments. Participants receive weekly injections of romiplostim and four weekly infusions of …

This study tests an experimental drug called Anti-CD38 antibody in 60 children aged 6 and older who have immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, causing bleeding risks. The participants have not responded well to standard treatments.…

This early-stage study tests a new drug called PRG-1801 in 6 adults with immune thrombocytopenia (ITP) that hasn't improved with standard treatments. The goal is to see if it is safe and can raise platelet counts to reduce bleeding risk. Participants receive a single infusion and…

This study is for adults with blood disorders who are getting a stem cell transplant from a matched donor. Researchers want to see if giving a special potato starch along with a drug that lowers iron (deferasirox) can help prevent serious complications like graft-versus-host dise…

This study monitors 40 people in Japan with congenital thrombotic thrombocytopenic purpura (cTTP) who are receiving ADZYNMA (recombinant ADAMTS13) as part of their routine care. Researchers will track side effects and check if the drug improves platelet counts and ADAMTS13 activi…

This early-phase trial tests a new drug called OM336 in 32 adults with autoimmune cytopenias, conditions where the immune system attacks blood cells. The study focuses on safety and how the drug moves through the body, not yet on curing the disease. Participants must have tried a…

This early-phase study is testing a new drug called CC312 in 18 adults with severe autoimmune diseases like lupus and rheumatoid arthritis that haven't improved with standard treatments. CC312 is a type of immune therapy designed to target and destroy faulty B cells, similar to C…

This study tests whether adding teriflunomide (a drug used for multiple sclerosis) to standard high-dose dexamethasone works better than dexamethasone alone for adults newly diagnosed with immune thrombocytopenia (ITP), a condition where the immune system destroys platelets, caus…

This study is testing a new blood test (the HMEC test) to see if it can better identify which patients with thrombotic microangiopathy (TMA) have a specific immune system problem driving their disease. TMA is a severe condition that damages kidneys and the brain. The researchers …

This study collects blood stem cells and immune cells from healthy volunteers and patients with primary immune deficiencies or blood disorders. The cells are used in the lab to develop new gene and cell therapies. Up to 850 adults aged 18-70 will participate. The goal is to advan…

This study collects blood, bone marrow, urine, and tissue samples from up to 6,000 people with solid tumors, blood cancers, or non-cancerous blood disorders, as well as from their healthy family members who are stem cell donors. The samples are stored and used in research to bett…

This study looks for better ways to detect lung inflammation and infections early in people who have received a stem cell transplant from a donor. About 40 participants aged 5 to 70 will get regular lung scans, breathing tests, blood draws, and a procedure where a tube collects f…

This study follows 2,000 children who receive stem cell transplants to better understand and detect lung injuries that can occur after the procedure. Researchers will track participants for two years, collecting samples and health data to find ways to diagnose problems earlier. T…

This study looks at the real-world safety of Adzynma, a lab-made protein, in people with congenital thrombotic thrombocytopenic purpura (cTTP), a rare inherited blood disorder. Researchers will review medical records of about 50 children and adults to see how many develop allergi…

This study looks at blood samples from 44 people with thrombotic thrombocytopenic purpura (TTP) to understand how certain immune cells (B and T lymphocytes) react to the ADAMTS13 protein during different stages of the disease. The goal is to find early warning signs that could pr…

This study is a large registry that collects health information from up to 200,000 people with blood disorders such as hemophilia, thrombosis, and sickle cell disease. Participants are seen at Hemophilia Treatment Centers across the U.S. The goal is to gather real-world data to h…

This study reviews medical records of 200 people diagnosed with a rare blood and kidney disease called aHUS in Egyptian hospitals. Researchers want to learn about patient symptoms, treatments, and long-term health to help doctors diagnose and manage the disease better. No new tre…

This study follows 75 pregnant women who have taken Ultomiris (ravulizumab) for conditions like PNH or aHUS. Researchers will track pregnancy outcomes and baby health up to one year after birth. The goal is to gather safety information, not to test a new treatment.

This research study collects blood, bone marrow, and tissue samples from people with cancer, blood disorders, and healthy volunteers. The goal is to study how the immune system changes during different treatments, including immunotherapy and chemotherapy. By comparing samples fro…

This study looks at whether a specific gene, TNFAIP3, is linked to immune-mediated thrombotic thrombocytopenic purpura (iTTP), a rare blood clotting disorder. Researchers will compare genetic data from 400 people with iTTP and healthy volunteers to see if gene variations affect d…

This study aims to improve diagnosis for people with rare genetic diseases whose standard genetic tests came back negative. Researchers will take a small skin sample and analyze RNA to find hidden genetic changes. The study involves 105 participants, including healthy volunteers …

This study looks at how gut bacteria and the immune system interact in children and adults receiving stem cell transplants or CAR-T therapy. Researchers will collect stool and blood samples over time to find patterns linked to complications like infections or graft-versus-host di…

This study follows 500 children aged 6-17 diagnosed with immune thrombocytopenia (ITP), a rare autoimmune disease that causes low platelet counts and bleeding. Researchers will collect data on symptoms, treatments, and outcomes over several years to build a model that predicts ho…

This study follows 102 women who had fertility preservation before cancer treatment to see what happens long-term. Researchers want to know if they get pregnant naturally, use stored eggs or tissue, or decide not to have children. The goal is to improve support and care for femal…

This study is collecting long-term safety and effectiveness data on treatments for various blood disorders, including hemophilia, sickle cell disease, and clotting disorders. It aims to enroll 3000 people of any age with these conditions. Researchers will monitor side effects, co…

This study is creating a collection of blood samples from 2,000 people with various blood disorders. The samples will be stored and used for future research approved by an ethics board. No treatments or drugs are being tested, and participants continue their normal care.

This study looks at families who carry a change in the DDX41 gene, which may raise the risk of blood cancers like leukemia. Researchers will collect health questionnaires and saliva samples from up to 910 people to track who develops blood problems and when. The goal is to better…

This study observes 80 transgender individuals starting cross-sex hormone therapy (testosterone or estrogen) to see how it changes eating behavior, metabolism, weight, and heart health. Participants are followed over time with no extra treatments or procedures. The goal is to und…

This study looks at using a needle placed into the bone marrow (intraosseous infusion) to give fluids and medicines quickly to critically ill patients with blood diseases. Researchers will enroll 52 adults aged 18-65 to see how often the first attempt works and how safe it is. Th…

This study reviews medical records from over 1,200 people with immune thrombotic thrombocytopenic purpura (iTTP), a rare and life-threatening blood disorder. The goal is to understand long-term health problems, such as heart disease and thinking issues, that survivors face. By an…

This study is a registry that tracks patients with blood diseases who receive stem cell transplants at a hospital on the Qinghai-Tibet Plateau. Researchers will collect information on recovery, complications, and costs over time. The goal is to understand how high altitude affect…

This study looks at people with atypical hemolytic uremic syndrome (aHUS), a rare disease that damages small blood vessels and kidneys. Researchers want to understand how certain rare gene mutations cause the disease by growing cells from blood samples in the lab. The goal is to …

This observational study follows 3,000 people with atypical hemolytic-uremic syndrome (aHUS), a rare and serious kidney condition. Researchers will collect safety and effectiveness data on patients treated with eculizumab or ravulizumab, as well as those receiving other care. The…

This study looks at whether a quick ultrasound of the thigh muscle can detect muscle loss (sarcopenia) in people who have finished cancer treatment. Researchers will compare the ultrasound results with a standard whole-body scan (DEXA) in 55 adults aged 18-74 with certain cancers…