Hemorrhagic disease

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 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 study tests an experimental oral medicine called Inno8 in 30 adults with hemophilia A. The goal is to see if it is safe and how the body processes it. Participants will take multiple doses over about 11 weeks. If successful, Inno8 could offer a more convenient way to control…

This phase 3 trial tests whether adding romiplostim to standard prednisone treatment improves platelet counts in adults with previously untreated primary immune thrombocytopenia (ITP). Participants receive either romiplostim plus prednisone or prednisone alone. The study measures…

This study tests a single-dose gene therapy called CSL222 in 20 teenage boys with severe hemophilia B, a bleeding disorder. The goal is to see if the treatment reduces bleeding episodes and improves quality of life. Participants must already be on regular factor IX replacement th…

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 study is checking how safe OBIZUR is for adults with acquired hemophilia A, a rare condition that causes sudden and severe bleeding. Researchers will look at medical records and track side effects in about 9 people. The goal is to see how well the drug controls bleeding in e…

This study tests a new drug, NXT007, in people with severe or moderate hemophilia A. The drug is given as a shot under the skin, first every two weeks, then every four weeks. The goal is to see if it is safe and helps control bleeding. About 60 adults, teens, and children will ta…

This study tests a new gene therapy called SPK-8011QQ in 5 adult men with severe or moderately severe hemophilia A. The goal is to see if it is safe and tolerable. Participants receive a one-time intravenous dose, and researchers monitor for side effects and lab changes.

This study tests an experimental gene insertion therapy called REGV131-LNP1265 for people with severe or moderately severe hemophilia B. The therapy uses CRISPR/Cas9 to add a working copy of the clotting factor IX gene into the body's DNA, aiming to enable long-term production of…

This study tests whether low-dose sirolimus can safely improve blood cell function in adults with RUNX1 familial platelet disorder, a genetic condition that raises bleeding and leukemia risks. Six participants receive the drug and are monitored for side effects and changes in blo…

This program provides concizumab, a daily injection under the skin, for free to people with congenital hemophilia who need better treatment. Participants will be monitored for safety and how well the medicine works over several years. The program is for those with severe hemophil…

This study tests a medicine called emicizumab to prevent bleeding episodes in people with Type 3 von Willebrand disease, a severe inherited bleeding disorder. About 75 participants, from infants to adults, will receive either emicizumab or continue their current treatment. The go…

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 Phase 3 trial tests a new drug called NXT007 (Zemocimig) against standard Factor VIII treatment to prevent bleeding in people with severe or moderate hemophilia A who do not have inhibitors. About 126 participants aged 12 and older will receive either NXT007 as a shot under …

This study tests a drug called vonicog alfa to prevent bleeding in 24 children with severe von Willebrand disease, a condition that causes easy bruising and heavy bleeding. Participants receive the drug regularly for 12 months to see if it reduces bleeding episodes compared to th…

This Phase 2 trial tests an experimental drug called SG301, given as a weekly injection, for adults with primary immune thrombocytopenia (ITP) — a condition where the immune system destroys platelets, raising bleeding risk. The study includes about 60 people who have not improved…

This study compares a new drug, NXT007, to an existing one (emicizumab) for preventing bleeding episodes in people aged 12 and older with hemophilia A. Participants may have severe, moderate, or mild disease, with or without factor VIII inhibitors. The goal is to see if NXT007 is…

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 trial tests whether a clopidogrel-based antiplatelet regimen is as effective as aspirin plus low-dose rivaroxaban in preventing heart attacks, strokes, and other vascular events. Adults with a history of heart attack or peripheral artery disease will be randomly assigned to …

This study tests an experimental drug called ATV-1601 in people with moderate to severe HHT, a condition that causes frequent nosebleeds and anemia. The trial has two parts: first, participants receive either the drug or a placebo to check safety and effectiveness; then, all elig…

This early-stage trial tests a new gene therapy called KLN-1010 for people with multiple myeloma that has come back or stopped responding to treatment. Instead of removing cells and engineering them in a lab, this therapy works inside the body to create special immune cells that …

This study tests a medicine called nipocalimab to see if it can lower the risk of severe bleeding or death in unborn babies with a rare condition called FNAIT. The study includes 39 pregnant women who have had a previous pregnancy affected by FNAIT. Participants receive either ni…

This study tests whether a drug called nipocalimab can prevent severe bleeding in unborn babies at risk of FNAIT, a condition where the mother's immune system attacks the baby's platelets. About 50 pregnant women with a history of FNAIT will receive either nipocalimab or standard…

This study tests a single-dose gene therapy called CSL222 (Etranacogene dezaparvovec) in 35 adults with severe or moderately severe hemophilia B who have detectable AAV5 antibodies—a group often excluded from gene therapy. The goal is to see if it reduces bleeding episodes and is…

This study tests an investigational medicine called ARD001, designed to treat hemophilia A, a bleeding disorder. In the first phase, healthy adults receive a single dose of ARD001 or a placebo to check safety and how the drug behaves in the body. If that goes well, a second phase…

This trial is testing whether a combination of standard steroids, a platelet-boosting drug (TPO-RA), and targeted antibodies (rituximab or anti-CD38) can improve outcomes for adults newly diagnosed with immune thrombocytopenia (ITP), a condition where the immune system destroys p…

This Phase 3 trial tests whether a single dose of VMX-C001 can control bleeding better than usual care in 800 patients on blood thinners who need urgent high-risk surgery. Participants receive either VMX-C001 or standard treatment before their procedure, and experts will rate ble…

This phase 3 study is testing whether a low, personalized dose of FEIBA (aPCC) can safely control bleeding in children and adults with hemophilia A who have inhibitors and are already taking emicizumab. The study will measure how well the blood clots after FEIBA is given and trac…

This early study tests a new drug called BAY 3389934 in 36 hospital ICU patients with sepsis-induced coagulopathy, a condition where the body forms dangerous blood clots. The main goal is to check safety and find the right dose. Researchers will monitor side effects and blood clo…

This phase 3 trial is testing a drug called fitusiran in about 85 boys aged 1 to under 12 with severe hemophilia A or B, including those with inhibitors that make standard treatments less effective. The drug is given as a regular shot under the skin to help prevent bleeding episo…

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 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 new medicine called marstacimab in children aged 1 to 17 with severe hemophilia A or B. The medicine is given as a weekly shot under the skin to prevent bleeding episodes. Researchers will compare how well it works to the children's own past year of standard tr…

This study tracks 25 people in Japan with acquired hemophilia A who receive the drug OBIZER to control bleeding. Researchers will watch for side effects and check if the drug helps stop bleeding episodes. The study does not change how doctors treat patients—it simply collects rea…

This study tests a drug called foscenvivint in people with liver cirrhosis caused by HIV and hepatitis C co-infection who also have hemophilia. Participants receive the drug once a week for 24 weeks. Researchers will check if the drug improves liver function and is safe to use.

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 study tests a new drug called sutacimig in 18 adults with a rare inherited bleeding disorder (factor VII deficiency). The drug is given as a single shot under the skin to see if it is safe and can help prevent bleeding. The goal is to find a more convenient treatment option …

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 phase IIa trial tests whether FT1, a lab-made version of a natural gut hormone, is safe and helps reduce fluid loss in adults with short bowel syndrome. Participants receive weekly injections of FT1 or a placebo for five weeks. The study measures changes in stool weight and …

This phase 2 trial is testing whether mirabegron, a drug currently used for overactive bladder, can improve glucose tolerance and activate brown fat in people with prediabetes. Researchers will enroll 65 adults with a BMI of 27-45 and prediabetes. Participants will take mirabegro…

This early-stage study tests a new drug called SR604 in healthy people and those with hemophilia A, B, or factor VII deficiency. The main goal is to check safety and how the drug moves through the body. About 31 participants will receive single or multiple doses to find the right…

This study looks at whether Emicizumab, a newer drug, prevents bleeding during sports better than standard Factor VIII in children with moderate to severe hemophilia A. About 72 kids aged 6 to 19 who already play sports and take one of these drugs will be followed. The goal is to…

This study looks at the long-term safety and effectiveness of a medicine called marstacimab for people with severe hemophilia A or B. Participants receive regular injections to help prevent bleeding episodes. The goal is to see if this treatment is safe and reduces bleeds over ti…

This study tests a new medicine, HMB-002, in about 108 adults with von Willebrand disease (types 1 and 2). The goal is to check safety, how the drug moves in the body, and whether it helps control bleeding. It is the first time this drug is being tested in humans, starting with s…

This study follows 250 people with hemophilia A who are taking efanesoctocog alfa to prevent bleeding. Researchers want to see how well it protects joints from bleeds over time in everyday life. Participants will be observed for several years to track bleeding rates and treatment…

This study gives people with moderate or severe hemophilia A who finished a previous trial continued access to the drug efanesoctocog alfa. The drug is a lab-made clotting factor that helps prevent bleeding episodes. Researchers will monitor safety and how well it controls bleedi…

This study looks at whether adding a blood thinner to standard antiplatelet therapy helps prevent strokes and blood clots in people who develop a new, temporary irregular heartbeat after coronary artery bypass surgery. About 3,200 adults who had bypass surgery and then experience…

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 trial compares two blood products—prothrombin complex concentrate (PCC) and fresh frozen plasma (FFP)—for controlling bleeding in people undergoing heart valve surgery. Doctors use a special test to guide which product to give and measure how quickly bleeding stops. The goal…

This Phase 3 trial tests TAK-330, a drug designed to reverse the effects of common blood thinners (Factor Xa inhibitors) in patients who need urgent surgery. About 440 adults will be randomly assigned to receive TAK-330 or standard care before their procedure. The main goal is to…

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 experimental injection called SR604 in 76 adults with hemophilia A, B, or congenital factor VII deficiency. The goal is to see if it is safe and can reduce bleeding episodes. Participants will receive either a single dose or multiple doses, and researchers wil…

This study looks at whether adding a drug called Wilate (a von Willebrand factor concentrate) to standard platelet transfusions can reduce bleeding and the need for more blood products in intensive care patients. About 120 adults who need platelets during or after surgery will be…

This study looks at whether it is safe for males aged 12 and older with severe hemophilia A to switch from their current medicine (emicizumab) to a new one called fitusiran. About 20 participants will be followed for up to 28 months to check for side effects and how well the new …

This early-stage study tests a new medicine called marstacimab in people with severe hemophilia A who want to switch from their current preventive treatment, emicizumab. The study includes 15 adolescents and adults who will receive weekly injections of marstacimab for 4 months. R…

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 study tests whether giving tranexamic acid (TXA) before and after major colorectal surgery can reduce bleeding and the need for blood transfusions. About 394 adults having inpatient colorectal surgery will either receive TXA or not. The trial also checks if TXA raises the ri…

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 study is testing whether giving the blood thinner heparin before inserting a tube into the wrist artery can prevent a common complication: blockage of that artery. About 550 people undergoing a heart procedure through the wrist will be randomly assigned to receive heparin ei…

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 compares two approaches for low-risk patients with small blood clots in the lungs (isolated subsegmental pulmonary embolism). Half will receive standard blood-thinning medication (rivaroxaban), while the other half will get a placebo and be closely monitored. The goal …

This study tests whether giving blood transfusions quickly when hemoglobin drops can prevent delirium (sudden confusion) in patients 75 and older after hip fracture surgery. About 198 participants will be randomly assigned to either early transfusion or standard care. Researchers…

This study tests whether giving two common drugs, tranexamic acid and desmopressin, before surgery can reduce bleeding in patients with chronic kidney disease or acute kidney injury. About 100 adults having noncardiac surgery will be randomly assigned to receive one or both drugs…

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 whether a recombinant factor VIII product called Nuwiq can safely prevent bleeding during major surgery in people with severe hemophilia A who are already on emicizumab. About 28 male patients aged 12 and older will take part. The main goal is to see if the treat…

This study is testing a drug called Nuwiq, a lab-made clotting factor, to prevent excessive bleeding during major surgery in women and girls with hemophilia A. About 28 participants will receive Nuwiq around the time of their surgery. Researchers will check if the drug successful…

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 tests whether giving a clotting protein called factor XIII early can reduce blood loss in women with heavy bleeding after childbirth. About 988 women having a vaginal delivery will be randomly assigned to receive either factor XIII plus standard care or standard care a…

This registry follows 100 adults and teens with hemophilia A or B who are prescribed marstacimab, a once-weekly shot under the skin. The main goals are to see if patients prefer this shot over IV treatments and to measure treatment burden after 6 months. Researchers will also tra…

This Phase 3 study is testing a drug called KN057, given as a weekly injection under the skin, to prevent bleeding in people with hemophilia A or B (with or without inhibitors). The trial will enroll 70 males aged 12 to 65 and will monitor safety and how well the drug works over …

This study looks at whether a treatment called immune tolerance induction (ITI) can help people with haemophilia A who have developed inhibitors—antibodies that block standard clotting factor therapy. Researchers will give high doses of individualized factor VIII concentrates to …

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 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 study tests whether emicizumab (Hemlibra), a medicine given as a shot under the skin, can safely prevent bleeding in people with severe von Willebrand disease (VWD) or combined VWD/hemophilia A. About 40 participants of any age (including infants) will receive the drug and b…

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 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 trial tests a one-time gene therapy called BBM-H803 for adults with severe hemophilia A. The treatment uses a harmless virus to deliver a working gene to the liver, so the body can produce its own clotting factor VIII. The study involves 55 participants and will check safety…

This study tests whether a concentrated clotting drug (fibrinogen) can better control major blood loss during surgery for pseudomyxoma peritonei, a rare abdominal cancer. About 90 adults will be randomly assigned to receive either the drug or a standard blood product during their…

This study compares two treatments for bleeding after heart surgery: FEIBA (a special clotting medicine) and fresh frozen plasma (standard care). About 140 adults having non-emergency heart surgery will be enrolled. The goal is to see if FEIBA reduces the need for blood transfusi…

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 is testing a drug called SCT800, a lab-made clotting factor, to prevent bleeding episodes in 36 boys with severe hemophilia A who have never been treated before. Participants receive regular infusions of SCT800, and researchers will monitor how many bleeding events occ…

This study looks at 128 people with advanced heart failure who have a HeartMate3 heart pump. All take warfarin to prevent clots, and half will also stop taking aspirin. The goal is to see if skipping aspirin lowers the risk of serious bleeding without raising the chance of danger…

This study follows 500 people with hemophilia B who received HEMGENIX gene therapy, plus a comparison group on standard factor IX treatment. Researchers will track bleeding rates and safety over several years to see if the gene therapy provides lasting control. The goal is to und…

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 tests a medicine called prothrombin complex concentrate (PCC) to stop bleeding episodes in people with hemophilia A who have developed inhibitors (antibodies that block standard treatment). Thirty participants aged 12 to 65 will receive PCC on-demand during bleeding, w…

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 early-stage trial tests a single dose of a lab-made clotting protein (recombinant von Willebrand factor) in 12 adult patients on ECMO who have major bleeding. The goal is to see if the drug is safe and how it behaves in the body. If successful, it may lead to a new way to co…

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 study is testing the safety of a drug called SEVENFACT, a clotting factor made from the milk of genetically modified rabbits, in people aged 12 and older with hemophilia A or B who have inhibitors. The drug is already approved for treating bleeding episodes, and this trial w…

This study looks at whether giving a medicine called Wilate to pregnant women with von Willebrand disease can prevent severe bleeding during and after childbirth. About 110 women will receive Wilate to keep their clotting factor levels high enough during delivery. The goal is to …

This study follows 300 teens and young adults (ages 10-24) with inherited bleeding disorders who choose either a levonorgestrel IUD or norethindrone acetate pills for heavy menstrual bleeding. Researchers will track bleeding patterns, satisfaction, and quality of life over six mo…

This study tests a single-dose gene therapy called GS1191-0445 in 50 Chinese men with hemophilia A. The treatment uses a harmless virus to deliver a working gene to the liver, helping the body produce its own clotting factor. The goal is to reduce bleeding episodes and the need f…

This early-phase study tests a new drug called BT200 in 4-6 adults with type 2B von Willebrand disease who have low platelets and a history of bleeding. The drug is designed to raise von Willebrand factor and platelet levels, which may lower the risk of bleeding. Participants rec…

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 investigational drug called eptacog beta (SEVENFACT®) in 6 people with Glanzmann Thrombasthenia, a rare inherited bleeding disorder. For the first 3 months, participants use their standard treatments for bleeding; then they switch to the study drug to treat se…

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 phase 3 trial is testing a single dose of ANB-002, a gene therapy that delivers a working copy of the FIX gene, in 24 adults with hemophilia B. The goal is to see if it can reduce bleeding episodes compared to regular preventive factor IX infusions. Participants will be foll…

This study tests whether a once-weekly infusion of efanesoctocog alfa can improve joint swelling (synovial hypertrophy) in people with moderate to severe hemophilia A. Researchers will use ultrasound to measure changes in joint health over 12 months. The trial enrolls 35 particip…

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 study in Taiwan will follow about 100 people with moderate to severe hemophilia A who are already taking efanesoctocog alfa (a clotting factor) as part of their routine care. Researchers will track joint health, bleeding rates, and safety over up to 5 years using medical rec…

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 program provides continued compassionate access to recombinant von Willebrand factor (rVWF) for children and adults with severe von Willebrand disease who completed a prior study and are benefiting from treatment. Participants must have no comparable alternative therapy avai…

This study is testing a new blood test that can diagnose single-gene disorders in unborn babies using a sample from the mother. The test looks at fetal DNA found in the mother's blood, which is safer than traditional invasive methods that carry a small risk of miscarriage. Resear…

This study is testing a new device that mimics a blood vessel to evaluate how well a person's blood clots under realistic flow conditions. Researchers will compare results from healthy donors, patients with von Willebrand disease, and those on antiplatelet drugs. The goal is to s…

This study tests whether a 6-week online rehabilitation program—combining pain education and exercise—works as well as in-person sessions for adults with hemophilia who have chronic joint pain. Participants are randomly assigned to either telerehabilitation or face-to-face care. …

This study tests whether a non-invasive light therapy called photobiomodulation can reduce pain and swelling in the knees of children with hemophilia who have joint bleeding. Twenty-four boys and girls aged 9 to 14 will receive the light treatment alongside standard care. Researc…

This study tests if a drug called tranexamic acid (TXA) can reduce blood loss during brain tumor surgery. About 102 adults having a craniotomy will receive either TXA or a placebo. Researchers will measure blood loss and check for bleeding-related complications within 30 days aft…

This study looks at whether giving iron through a vein (IV) can reduce bleeding symptoms in people with inherited bleeding disorders who also have low iron. About 40 participants will receive standard IV iron and be followed for 3 months to see if their bleeding, fatigue, and qua…

This study is checking if a computer model can accurately predict why some people have a prolonged blood clotting time (APTT). The model uses data from routine blood tests to tell if the cause is harmless or a sign of a clotting disorder. Researchers will test it on 1,500 patient…

This study follows 700 cancer patients who take blood thinners and are scheduled for surgery or medical procedures. Researchers will track how often major bleeding or clotting events occur within 30 days after the procedure. The goal is to see if current blood thinner management …

This study asks people living with primary immune thrombocytopenia (ITP) in the United States to share their treatment preferences through a survey. Using a method called a discrete choice experiment, participants will weigh different treatment features, such as effectiveness, si…

This study is collecting blood and other samples from 5,000 children and young adults (under 21) who are already taking certain medications as part of their regular care. The goal is to understand how these drugs move through and affect children's bodies, so doctors can prescribe…

This study compares how different thromboplastin reagents—used in blood clotting tests—perform in patients with bleeding disorders or liver damage. Researchers will analyze blood samples from 20 patients to see if reagent origin affects test sensitivity. The goal is to help labor…

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 looks at whether liver function and blood clotting tests can help doctors better understand and monitor cardiac transthyretin amyloidosis (ATTR-CA), a condition where abnormal protein builds up in the heart. Researchers will compare these tests in people with ATTR-CA a…

This study looks at how well a rapid blood test called TEG 6s measures clotting in healthy children. About 125 kids having planned surgery will give a small blood sample for the test. The goal is to find normal values for children and compare them to existing ranges. No treatment…

This study looks at how eltrombopag is actually used and how well it works in patients with immune thrombocytopenia (ITP) who have already tried steroids. Researchers will collect data from healthcare providers in the US, UK, and Germany, focusing on platelet count improvements w…

This study collects real-world data on how hemophilia A patients are managed during and after surgery when using efanesoctocog alfa (Altuvoct), a long-acting clotting factor. Researchers will track how much of the drug is needed, how often it is given, and how long patients stay …

This study monitors the safety of Jivi (damoctocog alfa pegol) in 20 Korean patients with hemophilia A who have used other treatments before. Researchers will collect data from routine clinic visits over about 8 months per participant, looking for any medical problems. No extra 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 is observing how well three Factor VIII concentrates (Nuwiq, Octanate, Wilate) work in real-world settings for people with severe hemophilia A who have had little or no prior treatment. Researchers will track bleeding rates and side effects in about 200 participants of…

This study follows 173 people with hemophilia A or B who previously received a single-dose gene therapy in a Pfizer trial. Researchers will track bleeding episodes, clotting factor levels, and any long-term side effects like blood clots or liver issues. The goal is to understand …

This study uses brain MRI scans to look for tiny old bleeds (microbleeds) in 200 adults with severe hemophilia or von Willebrand disease. Researchers want to see how common these microbleeds are and whether they are linked to memory or thinking difficulties. Participants will als…

This study is testing a new, non-invasive method to predict bleeding risk in people with von Willebrand disease and other inherited bleeding disorders. Researchers will use a special microscope to look at tiny blood vessels under the tongue. The goal is to see if the density of t…

This study uses blood samples from over 1,100 people to create artificial clots in the lab, mimicking brain hemorrhages. Researchers test a modified clot-busting drug (rtPA) to find the best dose for different bleeding risks. The goal is to improve clot removal and guide future t…

This pilot study from Colorado State University will test 20 healthy adults (ages 18-40) to see if cold temperatures change how the body burns fat during exercise, and whether that change differs between females and males. Participants will exercise in both a normal room and a ve…

This study follows 163 teens and young adults with heavy menstrual bleeding, some with a bleeding disorder and some without, to see how well hormonal treatments like the pill, patch, or IUD work. Researchers will measure blood loss, quality of life, and iron levels over time. The…

This study looks at whether ultrasound and other imaging can find hidden joint changes in people with hemophilia who have no obvious symptoms. Researchers will follow 46 patients for up to 12 weeks, using scans and physical exams to see if these hidden changes are active or inact…

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 aims to find specific biological patterns in people who bleed easily for unknown reasons. Researchers will measure blood clotting, clot breakdown, and clot structure in 400 participants. The goal is to better understand the condition, not to test a new treatment.

This study aims to understand why some people have unexplained bleeding that standard tests cannot diagnose. Researchers will study blood samples and ask participants about their symptoms and quality of life. The goal is to find the causes of this bleeding disorder and improve ca…

This study is for people aged 16 to 70 with von Willebrand disease (VWD), a bleeding disorder. Researchers will collect information on bleeding events, treatments, and quality of life over time. The goal is to understand the real-world impact of VWD and use this data as a baselin…

This study creates a web-based registry for people with severe von Willebrand disease (sVWD), a rare bleeding disorder. Researchers will collect information from up to 400 participants about their medical history, symptoms, and lab results. The goal is to build a detailed databas…

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 looks at 36 adults with severe hemophilia A to understand how joint health, pain, balance, and falls impact their quality of life. Researchers will measure joint damage, balance using a special platform, pain levels, and fall history. The goal is to find which factors …

This study involves over 12,000 Chinese patients with coronary heart disease who take blood thinners. The goal is to find new biological markers that can better predict who is at risk for dangerous blood clots or major bleeding. Researchers will combine genetic, protein, and imag…

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 looks at how well hip, knee, shoulder, and other joint replacement surgeries work in adults with inherited bleeding disorders like hemophilia. Researchers will collect information from medical records and follow patients over time to understand risks, complications, an…

This study aims to create a reliable lab test to monitor how well anti-TFPI antibodies work in people with severe hemophilia. Researchers will take a single blood sample from 11 patients already on anti-TFPI therapy and test it in the lab. The goal is to better predict and manage…

This study looks at why people with hemophilia (a bleeding disorder) are less likely to die from heart disease. Researchers will use a new, detailed CT scanner to compare heart artery health in 80 men aged 45+ with hemophilia to similar men without it. The goal is to understand h…

This study creates a registry to collect data on dengue infections in people with congenital bleeding disorders like hemophilia. Dengue can cause serious bleeding, and those with bleeding disorders may face higher risks. The goal is to understand bleeding complications, treatment…

This study follows 500 mother-child pairs where the mother has a severe hemophilia A gene. It aims to understand bleeding risks during pregnancy and childbirth for mothers, and how children develop antibodies to factor VIII treatment. By observing families over time, researchers …

This study looks at 1,000 women to see how ultrasound features of adenomyosis (a condition where the uterine lining grows into the muscle wall) match up with their symptoms like pain and heavy bleeding. Participants get one routine ultrasound and fill out a symptom questionnaire.…

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 is creating a large database of people in China with various blood diseases, such as leukemia, multiple myeloma, and hemophilia. Researchers will collect information from medical records and follow participants over time to learn about disease patterns, treatments, and…

This study looks at whether a quick bedside test can measure fibrinogen levels in trauma patients with severe bleeding within minutes, instead of the usual 30-45 minutes. Fibrinogen helps blood clot, and low levels can worsen bleeding. The test is being checked for feasibility an…

This study looks at how metamizole (Optalgin), a common painkiller, changes the levels of blood thinners (apixaban or rivaroxaban) in cancer patients. Researchers will measure drug concentrations at several time points in 30 adults. The goal is to understand if metamizole interfe…

This study looks back at medical records of 1,500 ICU patients with sepsis and low platelet counts to see if those who received platelet transfusions had better survival at 28 days. The researchers also track bleeding and blood clot risks. Because it is observational, it can only…

This observational study aims to understand how endothelial colony-forming cells (ECFCs) behave in people with von Willebrand disease (VWD) and acquired von Willebrand syndrome (AVWS) compared to healthy individuals. Researchers will collect blood samples from 48 participants to …

This study reports on a single adult with severe hemophilia A who is receiving long-term anticoagulation (blood thinners). The goal is to see if newer factor VIII therapies can maintain safe clotting levels while preventing dangerous clots. Only one participant is enrolled, so th…

This study looks at 374 hip fracture patients who take blood thinners (DOACs). Doctors often delay surgery due to bleeding concerns, but waiting may cause other problems. The study compares early surgery (within 24 hours) to delayed surgery to see if early surgery increases the n…

This study looks at 50 adults with unexplained bleeding to see if low serotonin levels in their platelets are linked to their symptoms. Researchers will use a standard bleeding questionnaire to measure bleeding severity. The goal is to better understand how serotonin deficiencies…

This study looks at whether a special combination of blood products and medication (fibrinogen, plasma, and tranexamic acid) can be given to trauma patients with life-threatening bleeding while still in the ambulance. The goal is to see if this approach is practical and safe. Onl…

This study looks at whether blood samples taken from a central venous catheter (a large tube in a neck, chest, or groin vein) can give reliable readings of the blood thinner heparin, compared to the standard method of drawing blood from a vein in the arm. Researchers will test tw…

This study looks at how blood cells interact and what goes wrong in inherited bleeding disorders like Glanzmann thrombasthenia. Researchers will analyze blood samples from up to 60 healthy volunteers and patients to find genetic defects. The goal is to better understand these con…

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 registry collects health data from 4,000 children with hemophilia A or B across Europe. Researchers track bleeding episodes, joint health, and antibody development to clotting factors. The goal is to understand long-term outcomes and improve treatment for this rare bleeding …

This study follows 120 men with hemophilia A who have developed inhibitors (antibodies that block standard treatment). Researchers will observe how doctors manage their condition using different therapies, including immune tolerance induction and newer drugs like emicizumab. The …

This study is testing new blood tests to see if they can better measure how well bleeding treatments work in people with haemophilia who have developed inhibitors (antibodies that block standard treatment). The researchers will take blood samples from 20 patients before and after…