Erythrocyte disorder

Researchers in Gabon are testing whether a tea made from dried Artemisia annua leaves can clear malaria parasites in adults who carry the infection without feeling sick. The trial enrolls 20 semi-immune adults aged 18 to 45 who have low levels of Plasmodium falciparum in their bl…

This trial tests whether a person's own blood stem cells, modified in the lab to carry a corrected gene, can cure beta thalassemia. Participants receive one or more infusions of these gene-modified cells after a mild conditioning regimen. The goal is to see if the cells safely pr…

This trial tests a gene therapy called YOLT-204 in people aged 14 to 35 with sickle cell disease or transfusion-dependent thalassemia. The goal is to see if a single intravenous dose can safely boost fetal hemoglobin levels, potentially reducing or eliminating the need for blood …

This Phase 2b trial tests whether a new drug, SJ733, combined with tafenoquine can cure P. vivax malaria and prevent it from returning. About 104 adults with uncomplicated malaria will receive different schedules of SJ733 plus tafenoquine, or standard chloroquine plus tafenoquine…

This phase 2 trial tests a one-time gene therapy called HGI-001 in people with transfusion-dependent β-thalassemia, a severe blood disorder that requires regular blood transfusions. The therapy takes the patient's own blood stem cells, modifies them outside the body to produce he…

This pilot trial tests a gene-editing approach for sickle cell disease. Participants receive their own blood stem cells that have been edited to increase fetal hemoglobin, a healthy type of hemoglobin that prevents sickling. The goal is to cure the disease with a one-time treatme…

This study tests a shorter, higher-dose course of primaquine to cure vivax malaria and prevent it from coming back. Current treatments take too long, so a 3-day course could make it easier for patients to complete therapy. The trial involves over 1,000 people aged 5 and older wit…

Researchers are testing three experimental malaria vaccines (LYB014, LYB017, and LYB027) in healthy adults aged 18 to 50. Participants receive either a low or high dose of one vaccine combined with an immune-boosting adjuvant, or the adjuvant alone as a comparison. The trial trac…

This study tests whether a half-dose of the R21/Matrix-M malaria vaccine is as effective as the full dose in 375 adults and adolescents aged 14 to 60. Participants will receive either the standard dose or a half-dose, and researchers will measure their immune response and safety.…

This trial tests a new malaria vaccine, PfSPZ-LARC2, made from live but genetically weakened malaria parasites that stop developing in the liver and never reach the bloodstream. The goal is to see if a single dose can safely and effectively protect healthy adults in Burkina Faso …

This phase II trial tests a new malaria vaccine called PvRII/Matrix-M in 36 healthy Thai adults aged 20-55. Half receive the vaccine, half a placebo. After three doses, 24 volunteers will be exposed to the malaria parasite in a controlled setting to see if the vaccine reduces inf…

This study tests an experimental vaccine called PvCS/Montanide ISA-51 to see if it can protect against P. vivax malaria, a major cause of recurrent fever and anemia. 72 healthy adults in Colombia will receive either the vaccine or a placebo, then be exposed to infected mosquitoes…

This early-stage trial is testing a new vaccine called Vivaxin, designed to protect against malaria caused by the Plasmodium vivax parasite. Researchers will give the vaccine to 48 healthy adults who have never had malaria, to check if it is safe and whether it triggers an immune…

This study tests whether red blood cells processed to be low in oxygen (hypoxic) last longer in the body than standard cells for people with sickle cell anemia who need regular transfusions. About 48 participants aged 7 and older will receive both types of blood in a crossover de…

This trial compares a new gene therapy to standard care in people aged 12 to 35 with severe sickle cell disease. The gene therapy uses a patient's own blood stem cells, modified to produce a therapeutic form of hemoglobin and reduce the sickling hemoglobin. The study measures how…

This trial investigates whether continuous positive airway pressure (CPAP) can help adults with sickle cell disease recover faster from acute chest syndrome, a serious lung complication. Participants who need extra oxygen are randomly assigned to receive either standard oxygen al…

This study tests a specially formulated dispersible tablet, Coartem Baby, in infants weighing between 2 and 5 kg who have uncomplicated malaria. The goal is to see if the drug is safe and effectively clears symptoms like fever and chills. Twenty infants will receive the standard …

This study tests whether a combination of dexamethasone, intravenous immunoglobulin (IVIG), and extra donor immune cells can safely lower harmful antibodies that attack donor stem cells in half-matched (haploidentical) transplants. The trial enrolls 60 adults aged 18–65 with bloo…

This phase 2 study tests a new antimalarial drug called GSK3772701 in 70 adults with uncomplicated P. falciparum malaria. Participants receive different doses for 1 to 3 days to see if it is safe and clears the parasite. The goal is to find a new treatment option that could work …

This study tests whether removing a specific type of immune cell (naive T cells) from a donor's stem cell graft can prevent graft-versus-host disease (GVHD), a serious complication where donor cells attack the recipient's body. The trial enrolls people with non-malignant blood di…

This early-stage study tests whether high-dose Vitamin C is safe for people with two rare inherited blood disorders—Pyruvate Kinase Deficiency (PKD) and a form of G6PD deficiency. Both conditions cause red blood cells to break down too quickly, leading to anemia. The study will e…

This early-stage study tests a one-time gene therapy (CS-206) in 5 teenagers with severe sickle cell disease. The treatment uses the patient's own blood stem cells, modified with a gene-editing tool, to help produce healthy red blood cells. The goal is to reduce painful blockages…

This study tests a new drug called SNH-119014 in 30 adults with a type of thalassemia that does not require regular blood transfusions. The goal is to see if the drug is safe and helps improve anemia. Participants will be monitored for side effects and how their body responds to …

This study tests whether combining tafenoquine with different antimalarial drugs can better prevent P. vivax malaria from coming back. About 300 adults in Thailand with uncomplicated P. vivax infection will receive one of three drug pairs and be monitored for 6 months. The goal i…

This study compares transfusions using red blood cells from umbilical cord blood versus standard adult donor blood in extremely premature infants. About 176 babies born before 28 weeks or weighing under 1000 grams will be enrolled. The goal is to see if cord blood reduces the ris…

This study tests a single dose of CS-101, a gene therapy, in 20 people aged 12-35 with β-thalassemia major, a severe blood disorder requiring regular transfusions. The goal is to see if it is safe and can help patients produce enough healthy red blood cells to stop needing transf…

This study will test 120 babies in Côte d'Ivoire for sickle cell disease using a simple point-of-care test. Babies who test positive will start comprehensive care early, including medicines and vaccines. Researchers want to see if this approach reduces serious health problems and…

This study looks at how much of the malaria drugs primaquine and tafenoquine pass to babies through breast milk. It involves 60 breastfeeding mothers in Papua New Guinea who recently gave birth. The goal is to find a safe way to treat and prevent relapses of vivax malaria in new …

This study looks at whether a malaria drug called tafenoquine interacts with two other common malaria treatments (DHA-piperaquine and artesunate-pyronaridine) in adults with vivax malaria. About 507 participants will receive one of the combinations or a delayed treatment to compa…

This early study tests a gene therapy called KL003 in just 3 people with severe sickle cell disease. The therapy uses the patient's own stem cells, modified to produce healthy hemoglobin, to reduce painful crises and the need for transfusions. The main goals are to see if the tre…

This study will test the safety and effectiveness of a drug called tafenoquine in 60 children with vivax malaria in Papua New Guinea. Vivax malaria can hide in the liver and come back, so the goal is to find a treatment that clears the infection completely. The children will rece…

This study tests whether a high dose of plerixafor can safely collect enough stem cells from people with sickle cell disease for a future transplant. Twelve patients aged 18-25 will receive the drug and have their stem cells collected through a process called apheresis. The goal …

This Phase 2 trial tests the drug luspatercept (Reblozyl) in 45 people with rare inherited anemias that affect red blood cells. The goal is to see if it can reduce the need for blood transfusions in those who depend on them, or raise hemoglobin levels in those who don't. Particip…

This early-phase trial will test a single dose of a new drug called YOLT-204 in 18 children and teens with transfusion-dependent β-thalassemia or sickle cell disease. The goal is to see if it is safe and can raise fetal hemoglobin levels enough to reduce the need for blood transf…

This Phase 3 trial tests whether two antioxidant supplements, N-acetyl cysteine and alpha-lipoic acid, can improve blood vessel health and reduce oxidative stress in adults with beta thalassemia. Sixty-six participants will take one of the supplements or a placebo alongside their…

This early-stage study tests whether wearable biosensors (like a wristband or earphones) can detect malaria infection before symptoms appear. 32 healthy adults will be exposed to the malaria parasite or a placebo in a controlled setting. Researchers will compare biosensor reading…

This study investigates whether urine tests for two biomarkers (NAG and KIM-1) and special MRI scans can detect early kidney damage in children with sickle cell disease. The goal is to find a way to identify kidney problems before they become serious, potentially allowing earlier…

This study tests whether a bedside lung ultrasound, done within six hours of arriving at the emergency department, can help diagnose acute chest syndrome in adults with sickle cell disease experiencing a vaso-occlusive crisis. Acute chest syndrome is a serious lung complication t…

This study tests whether combining point-of-care screening with community-based strategies can help identify infants with sickle cell disease early and connect them to care. Researchers will screen up to 6,750 newborns in Mozambique and track their health outcomes. The goal is to…

This study tests whether giving malaria medicine to school-age children can lower malaria cases in the entire community. School children often carry the malaria parasite without symptoms and spread it to others. The trial will involve about 4,800 children in The Gambia and measur…

This trial tests whether giving schoolchildren in Kenya an antimalarial drug every month, instead of every three months, better protects their brain function and school performance. Researchers will enroll 1,500 children aged 6 to 10 from six primary schools. Half will receive mo…

This trial tests whether baby wraps (called lesus) treated with long-lasting insecticide can protect young children from malaria. About 1,300 mothers and their infants (2-4 months old) will be randomly assigned to receive a wrap treated with permethrin, etofenprox, or an untreate…

This trial tests whether a single oral dose of lotilaner, a drug currently used in animals, can make human blood lethal to Anopheles gambiae mosquitoes, the main carriers of malaria. Healthy adults in Mali will receive either a low or high dose of lotilaner or a placebo, with or …

This study tests whether a device called the Guardian spatial emanator, which releases mosquito-repelling ingredients into the air, can be effectively added to an existing program that distributes antibiotics to children in Niger. The goal is to see if this integrated approach ca…

This early-stage study tests a new antibody drug (GSK4425689A) designed to prevent malaria. Researchers will give the drug to 40 healthy adults either through an IV or a shot under the skin to check for side effects and how the body processes it. The goal is to see if it is safe …

This study tests a new long-acting injection called MMV371 to see if it is safe and can prevent malaria. About 80 healthy people aged 12 to 50 in Rwanda will get either the study drug or a placebo. Researchers will check if the injection protects against malaria and monitor side …

This study tests new devices called LASER that release a chemical to repel mosquitoes, comparing them to indoor insecticide spraying and standard prevention (bed nets, vaccines). About 22,800 people in 69 Kenyan villages will take part over two years. Researchers will check malar…

This study in Uganda will test whether giving children both the R21 malaria vaccine and two different malaria prevention medicines works better than the vaccine alone. About 1,290 children will take part. The goal is to see if the combination can reduce malaria cases more effecti…

This trial tests whether a smartphone-based mindfulness program can help adolescents and young adults with sickle cell disease manage chronic pain and sleep problems. Participants are randomly assigned to either use the mindfulness app for about 8 weeks or receive usual care. The…

Adults with sickle cell disease often face severe pain crises that require hospital treatment with intravenous morphine. This trial compares standard morphine treatment with combinations that add paracetamol, ketamine, or nefopam. Researchers want to see if these combinations eas…

This trial tests whether short educational videos or interactive games can empower children with sickle cell disease. The goal is to help kids aged 12 to 18 understand their condition and build skills for self-care and managing pain. Researchers will measure changes in self-effic…

This trial tests whether a single dose of buprenorphine, given as a film inside the cheek, is safe and helps control pain in adolescents and young adults with sickle cell disease who are hospitalized for a pain crisis. Participants receive one dose of buprenorphine instead of sta…

This study will test whether eating flaxseed, a source of omega-3 fatty acids, can help reduce pain and improve daily life for children with sickle cell disease. Twenty children aged 5 to 18 will take part. The main goal is to see if it's possible for them to eat flaxseed regular…

This study tests a virtual reality app called Amani designed to help adults with sickle cell disease manage pain, emotional distress, and social isolation. Researchers will enroll 40 adults to see if the app is easy to use and helpful for improving coping skills and peer support.…

This study tests whether a low-dose ketamine injection can relieve pain in children with sickle cell disease during a pain crisis better than standard opioid medications. Researchers will compare how quickly pain improves and whether fewer children need to be admitted to the hosp…

This study explores whether using a virtual reality headset can help reduce pain for adults with sickle cell disease during a painful crisis. Participants will try different types of headset experiences—like watching a 2D video or exploring a 3D world—during their infusion center…

This study tests whether motivational interviewing, a type of counseling, can help adults with beta-thalassemia major follow their iron chelation therapy more consistently. Forty-five participants in Oman will receive three one-on-one sessions with a nurse over six to eight weeks…

This study tests whether minocycline, an antibiotic that reduces brain inflammation, can safely prevent or reverse memory and thinking problems in adults with sickle cell disease. About 30 participants will take either a low dose, high dose, or placebo for one year. Researchers w…

This study tests if iloprost, a drug that widens blood vessels and reduces inflammation, can help adults with sickle cell disease during painful vaso-occlusive crises. About 144 participants hospitalized for a crisis will receive either iloprost or a placebo, plus standard care. …

This study tests whether giving ketamine within an hour of pain onset can prevent hospital admission for children and young adults with sickle cell disease. 90 participants aged 6-24 will receive either ketamine or a placebo by mouth. If admitted, they can still receive standard …

This study tests whether awake prone positioning (lying on the stomach while awake) can help sickle cell patients with severe acute chest syndrome in the ICU. The approach aims to improve oxygen levels and breathing by evening out air flow in the lungs. Fifteen adults will be enr…

This study tests whether shining a special light on the head (transcranial photobiomodulation) can improve oxygen use and thinking skills in children with sickle cell disease. The brain needs steady oxygen, but sickle cell can reduce blood flow. Researchers will randomly assign 6…

This study measures the clinical, economic, and psychosocial burden of thalassemia in children and adolescents in Sohag, Egypt. Researchers will track hospital visits, blood transfusions, and complications, and estimate direct medical costs plus indirect costs like missed school …

This early-stage trial will give 24 healthy adults three different malaria drugs—piperaquine, pyronaridine, and artesunate—alone and together to see how they interact. Researchers will measure drug levels in the blood and watch for side effects. The goal is to learn about safety …

This study tests whether a computer simulation can help pharmacists and pharmacy students better understand the pain struggles of sickle cell disease patients. About 200 healthcare professionals will use a point-of-view simulation and then complete surveys to see if their misconc…

This study will look at medical records of 350 children with sickle cell disease in France who had serious bacterial infections between 2020 and 2025. The goal is to find out which bacteria are causing these infections today, especially with new vaccines available. The results co…

This study will test if a special oral health education program can improve the oral hygiene and quality of life of 45 children aged 8-10 with β-thalassemia major. The program teaches proper brushing and dental care. Researchers will measure changes in oral cleanliness and how ch…

This study looks at how genetic differences affect the way Nigerian sickle cell patients respond to hydroxyurea, a common treatment. Researchers will monitor 100 patients to build a computer model that predicts the best dose for each person. The goal is to reduce side effects and…

This study tests a 90-minute virtual training for healthcare providers that teaches them to see each patient's unique perspective and communicate more clearly. The goal is to improve how doctors talk to children with sickle cell disease. Thirty providers from three hospitals will…

This study will measure levels of a small molecule called microRNA-155 in 100 people who need regular blood transfusions, mostly due to beta thalassemia. The goal is to see if higher levels of this molecule are linked to the formation of harmful antibodies against donated blood. …

This study looks at children with beta-thalassemia major, a genetic blood disorder requiring lifelong transfusions. Researchers will measure growth and check for risk factors like iron overload that may stunt development. No new treatment is given—just careful observation of 85 c…

This study looks at how different genetic makeups affect the way healthy adults process the malaria prevention drug tafenoquine (ARAKODA). Researchers will measure drug levels in blood and urine over time, along with safety checks. The goal is to better understand how to dose the…

This study looks at how different types of anemia—like iron deficiency or thalassemia—can change HbA1c levels, a common test for diabetes, in people who do not have diabetes. Researchers will compare HbA1c results between 100 non-diabetic adults with various anemias and a healthy…

This study looks at how thalassemia patients in Greece feel day-to-day while taking a standard iron-removing medicine called deferasirox. Researchers will survey 150 adults to measure their physical and mental well-being. The goal is to understand real-world quality of life, not …

This study looks at whether giving iron to babies with low iron helps their bodies respond better to malaria and measles vaccines. About 324 infants in Kenya will take part. The goal is to see if treating iron deficiency can improve how well the vaccines protect them.

This study will measure certain hormones in 80 boys aged 10 to 18 who have transfusion-dependent beta thalassemia. The goal is to see how iron buildup from repeated blood transfusions affects the glands that control puberty and fertility. By checking levels of inhibin B, INSL3, a…

This study will review medical records of 25 children with sickle cell disease to see how often they experience painful vaso-occlusive crises and what complications arise. Researchers hope to identify risk factors that could lead to better care. No new treatments are being tested…

This study looks at body composition—fat, muscle, and bone mass—in children aged 5 to 18 with beta thalassemia major who receive regular blood transfusions. Researchers will use a simple test to measure these body components and see how they relate to transfusion frequency, iron …

This study examines how regular blood transfusions (exchange transfusions) affect thinking speed in adults with severe sickle cell disease. Researchers will test 85 participants remotely using a simple symbol-matching task and other cognitive assessments at different points in th…