Parasitic infectious disease

This study compares two oral treatments for trichomonas, a common sexually transmitted infection. About 1,200 women and men with a positive test will receive either a single dose of secnidazole or multiple doses of metronidazole over several days. The goal is to see which approac…

This study tests a new triple-drug combination (artemether-lumefantrine-amodiaquine) against standard two-drug treatments for uncomplicated malaria. About 1680 people with malaria will receive one of the treatments and be monitored for 42 days. The goal is to see if the triple th…

This early-stage trial tests a new malaria vaccine (PfSPZ-LARC2) in 58 healthy adults who have never had malaria. The vaccine uses weakened malaria parasites that stop growing in the liver and cannot cause blood infection. Researchers will check if it is safe and if it protects a…

This study tests a new malaria vaccine in 180 healthy adults aged 18-50 in Burkina Faso. The vaccine uses weakened malaria parasites that stop growing in the liver, so they cannot cause blood-stage infection. Participants receive either one or two doses of the vaccine or a placeb…

This study aims to develop a vaccine to prevent malaria during pregnancy. Researchers will test potential vaccines in the lab using blood samples from pregnant women aged 15-25 in Mali. The goal is to see if these vaccines can block the malaria parasite from attaching to the plac…

This study tests the R21/Matrix-M malaria vaccine in about 964 African infants to find the best timing for shots. Researchers compare a compressed schedule (6, 10, 14 weeks) with relaxed schedules (2, 4, 6 months or 3, 6, 9 months) to see which works best with other routine vacci…

This study tests a new malaria vaccine designed to target the parasite at different stages of its life cycle. Researchers will give the vaccine to 56 healthy adults (18-35 years) and children (5-17 months) in Burkina Faso to check its safety and how well it triggers an immune res…

This study tests a booster shot of the R21/Matrix-M malaria vaccine in 40 school-age children in Burkina Faso who already received four doses years earlier. Half get the standard child dose, half get a higher adult dose. Researchers will check for side effects and measure antibod…

This study is testing whether giving the RTS,S/AS01E malaria vaccine (Mosquirix) in lower doses or on different schedules is safe and triggers a strong immune response in healthy children aged 5 months to 5 years. The goal is to find simpler ways to vaccinate children in areas wh…

This trial evaluates the safety of a single intravenous dose of DON, an experimental drug, in healthy adults, adults with uncomplicated malaria, and children aged 12 months to 14 years with cerebral malaria. Researchers will monitor side effects and measure how the drug moves thr…

This study tests whether adding imatinib, a drug currently used for cancer, to the standard malaria treatment (artemether + lumefantrine) can clear the malaria parasite faster and fight drug resistance. About 1,100 adults with mild to moderate malaria will receive either the stan…

This large platform trial is testing new antifungal drug combinations for cryptococcal meningitis, a severe brain infection that is fatal without treatment and common in people with HIV. The study will enroll 2,000 participants across multiple sites to compare a newer oral drug, …

This study tests a new shampoo (X92001483) that works by physically trapping and removing head lice, comparing it to a standard medicated rinse (Nix Cream Rinse with 1% permethrin). The goal is to see if the new shampoo is safe, effective at killing lice, and can prevent reinfest…

This study tests whether using a device that heats skin lesions to 50°C for 30 seconds can effectively treat cutaneous leishmaniasis in primary health centers in Ethiopia. 103 patients aged 12 to 60 with up to four lesions will receive thermotherapy and be monitored for 90 days. …

This study tests an experimental drug called EDI048 for cryptosporidiosis, a diarrheal disease caused by a parasite. Healthy adults will be deliberately infected with the parasite and then given either EDI048 or a placebo to see if the drug reduces diarrhea severity. The goal is …

This study tests an experimental drug called LXE408 in 130 adults with chronic Chagas disease who do not have severe organ damage. The goal is to see if LXE408 can clear or reduce the parasite level in the blood over 6 months, compared to placebo and standard treatment. Participa…

This Phase 3 trial tests whether adding steroid eye drops to standard anti-parasitic treatment improves vision in people with acanthamoeba keratitis, a rare but serious eye infection. About 232 participants who still have eye inflammation after one month of standard care will rec…

This study tests whether adding one dose of a stronger antifungal drug (liposomal amphotericin) to the standard treatment (fluconazole) can prevent cryptococcal meningitis in HIV-positive adults who test positive for the fungus but have no symptoms. About 356 participants in Ugan…

This study tests whether using early drug monitoring and a dose-adjustment calculator can help infants under 90 days old with sepsis reach target vancomycin levels more quickly. Currently, doctors must wait 24-48 hours to check drug levels, which can delay effective treatment. Th…

This phase 3 trial tests whether a plant-based tincture made from arnica flowers can safely and effectively heal skin ulcers caused by cutaneous leishmaniasis, a parasitic disease spread by sandflies. About 96 people aged 12 and older with confirmed infection will receive either …

This study tests a new way to find and treat a type of malaria (P. vivax) that can hide in the liver and come back months later. Researchers will use a simple blood test to find people who have been infected recently, then give them a treatment to clear the hidden parasites. The …

This study tests a single dose of tafenoquine in 30 children in Papua New Guinea who have vivax malaria. The goal is to see how the drug moves through the body and if it is safe. Vivax malaria can come back because it hides in the liver, and this drug aims to clear it completely.

This study at the National Institutes of Health evaluates and treats people aged 3 and older with known or suspected parasitic infections, such as malaria, intestinal worms, and others. Participants receive standard medical care, not experimental treatments. The goal is to monito…

This study looks at how safe and effective primaquine is for treating vivax malaria in people with intermediate or deficient G6PD enzyme levels. About 100 adults with confirmed malaria and G6PD deficiency will receive either a high daily dose or a weekly dose of primaquine. The g…

This study tests an experimental eye drop called GLK-321 in 250 adults with Demodex blepharitis, a condition where tiny mites cause debris at the base of eyelashes. Participants will receive either a low, mid, or high dose of the drug, or a placebo, for 6 weeks. The main goal is …

This study will give a combination of two malaria drugs (dihydroartemisinin-piperaquine and primaquine) to entire communities in Ghana every two months for two years. The goal is to see if this approach can reduce the number of people carrying malaria parasites, even those with n…

This study compares two ways of giving the antibiotic cefepime to very sick patients with sepsis in the ICU. The new method adjusts the dose based on the patient's kidney function, using only standard doses. The main goal is to see if this approach is easy for doctors to use and …

This study looks at whether adding echinacea (Immulant®) to standard care can reduce symptoms and parasite levels in children aged 5–12 with weakened immune systems who have cryptosporidiosis, a diarrheal infection. About 60 children will take part. The goal is to see if the supp…

This study tests a new surgical technique for people with liver echinococcosis (a parasitic infection) who develop bile leaks after surgery. The method uses a special medical glue to seal the leak, aiming to reduce complications and speed up recovery. Researchers will track how o…

This study tests whether giving zinc supplements along with standard antibiotics can reduce deaths and improve recovery in young infants (0-59 days old) hospitalized with severe infections like sepsis or pneumonia. About 3,250 babies in Tanzania will receive either zinc or a plac…

This phase 2 study tests the drug tafenoquine in 40 adults with chronic babesiosis who have severe fatigue. The goal is to see if tafenoquine can reduce fatigue and clear the Babesia parasite from the blood. Participants take the drug and report their fatigue levels using a stand…

This expanded access program provides tafenoquine, an antimalarial drug, to immunocompromised patients with persistent babesiosis (a tick-borne illness) who haven't gotten better with standard treatments. Participants take the drug daily for 4 days, then weekly until they test ne…

This study tests different ways to deliver malaria prevention medicine to children under 10 who were hospitalized with severe malaria or severe anemia in Kenya. The goal is to see which method helps more children take all their doses and avoid getting sick again. About 600 childr…

This study compares two drugs, ivermectin and moxidectin, to see which works better at controlling river blindness and other common infections like intestinal worms and scabies in Angola. Over 52,000 people in 20 village groups will receive one of the drugs once a year for four y…

This study tests whether adding the antimalarial drug tafenoquine to standard care helps hospitalized babesiosis patients recover faster. About 33 adults with confirmed Babesia infection will receive either tafenoquine or a placebo, plus standard antibiotics. Researchers will tra…

This study tests newer antimalarial drugs to see if they work as well as the current standard treatment for malaria in early pregnancy. It involves 1,510 pregnant women in Africa. The goal is to find treatments that are both effective and safe for the mother and baby.

This study tests whether giving a whole blood transfusion can help children under 5 with severe malaria and very low platelet counts survive. The trial is enrolling 132 children in Zambia. Researchers will compare death rates and blood changes between those who get a transfusion …

This study tests whether injecting the antibiotic ciprofloxacin directly into skin sores caused by leishmaniasis works as well as the standard treatment, sodium stibogluconate. Eighty people with one to seven sores will be randomly assigned to receive weekly injections of one dru…

This study tests whether injecting the antibiotic levofloxacin directly into skin sores caused by leishmaniasis can cure them. Forty adults with up to seven sores will receive weekly injections for up to six weeks and be monitored for 90 days. The goal is to see if the sores heal…

This study aims to see how well a new, child-friendly version of the drug praziquantel works to control schistosomiasis in preschool-aged children (2 to 5 years old) in parts of Kenya, Côte d'Ivoire, and Uganda. About 18,500 children will receive the medicine through existing pub…

This phase 3 trial tests a chewable tablet called ZP5-9676 (flubendazole) against common intestinal worms like hookworm, roundworm, and whipworm. About 300 people aged 6 months to 59 years from high-risk areas will receive either the drug or a placebo. The goal is to see if the d…

This study compares a new head lice lotion (Elimax Green Lotion with Emogreen) to a standard lice-killing shampoo (Walgreens Lice Killing Shampoo). About 86 people aged 6 months and older with active head lice will use one of the two treatments. Researchers will check how well ea…

This study is testing whether a blood test called Karius Spectrum can help doctors find infections faster in adults with weakened immune systems (e.g., organ transplant recipients, cancer patients). The test looks for DNA from bacteria, fungi, viruses, and parasites in the blood.…

This study will evaluate two rapid diagnostic tests (RDTs) for chronic Chagas disease in over 3,200 people at public health sites in Argentina. The goal is to see if these simple, point-of-care tests can accurately detect the infection, making diagnosis faster and more accessible…

This study aims to see if a new PCR-based test can diagnose malaria, leishmania, and pneumocystis infections faster and more accurately than current methods. Researchers will analyze about 200 stored samples from patients. The goal is to improve diagnosis and species identificati…

This study is testing a new finger prick device that can detect Toxoplasma infection from a drop of blood. Researchers will compare the device's results to a standard lab test in 210 adults, including pregnant women. The goal is to see if the finger prick test is accurate and eas…

This early-stage trial tests whether two new long-acting injectable drugs, MMV055 and MMV371, are safe and how they work in the body. Up to 72 healthy adults will receive one or two shots and be monitored for up to 48 weeks. The goal is to find a dose that could one day prevent m…

This study in Botswana tests whether offering sexually transmitted infection (STI) testing alongside HIV prevention medication (PrEP) helps more pregnant women start and continue using PrEP. About 600 pregnant women without HIV will be split into two groups: one gets standard car…

This study tests whether giving anti-malarial drugs to everyone in a village can eliminate vivax malaria. Over 7,500 people in Peru will be split into two groups: one receiving standard care (bed nets, screening) and the other also receiving mass drug administration. The goal is …

This study in Chad compares two ways of giving the R21 malaria vaccine to children. One group gets the vaccine as part of regular childhood shots, while the other gets it at the same time as seasonal malaria prevention medicine. The goal is to see if the combined approach works j…

This study looks at whether the R21/Matrix-M malaria vaccine can also reduce the risk of invasive non-typhoidal Salmonella (iNTS), a serious bacterial infection. Researchers will follow 10,000 children under 5 in the Democratic Republic of Congo who come to health centers with fe…

This study is testing whether giving entire communities antimalarial drugs along with a malaria vaccine can reduce the spread of the disease better than drugs alone, vaccine alone, or no extra intervention. About 10,000 people aged 6 months and older in malaria-prone villages wil…

This Phase 2 trial is testing a malaria vaccine that aims to both prevent infection and block the parasite from spreading to mosquitoes. Around 1,200 healthy participants aged 9 to 50 in Mali will receive either the R21 vaccine alone or a combination with Pfs230D1-CRM197, both wi…

This large Phase 3 trial in Ghana and Kenya will test whether a single dose of a new albendazole-ivermectin combination pill works better than the standard albendazole alone to prevent soil-transmitted worm infections in 20,000 school-aged children. The study focuses on safety an…

This study in Uganda tests whether adding lab tests for common sexually transmitted infections (STIs) to standard HIV risk screening helps more women start and stick with PrEP, a daily pill that prevents HIV. About 4,500 HIV-negative women aged 15-39 will be randomly assigned to …

This study tests whether replacing 60 minutes of daily screen time with sleep can improve attention, mood, and brain health in children aged 6-12 who sleep less than 8 hours and use screens over 2 hours on school days. Researchers will help each child create a personalized plan t…

This study compares red and blue light therapy masks for people with dry eye disease, meibomian gland dysfunction, and blepharitis (eyelid inflammation). Thirty-six participants will receive three light treatments, one week apart, and be followed for one month after the last sess…

This small study tests a bracelet called Keen2 that detects hair-pulling episodes in adults with trichotillomania. For 8 weeks, participants wear the device and log what they were doing or feeling when pulling occurred. The bracelet then sends personalized alerts to help them use…

This study aims to understand how and why eosinophils (a type of white blood cell) become active in conditions like allergies, asthma, and parasitic infections. Researchers will observe up to 800 people aged 1 to 100 with high eosinophil levels. No experimental treatments are giv…

This study looks at how people's immune systems react to infections from parasitic worms, which can cause serious health problems like swelling, blindness, or heart disease. Researchers will evaluate and treat up to 500 participants aged 3 to 100 using standard medical tests and …

This study looks at how leishmaniasis infections progress and respond to treatment. It involves up to 289 people aged 3 to 100 with known or suspected leishmaniasis. Researchers will collect blood and tissue samples to learn more about the disease and test different treatments. T…

This study gives healthy adults a controlled malaria infection using donated blood containing the P. vivax parasite. Researchers will monitor how the infection develops, how the immune system responds, and whether mosquitoes can pick up the parasite from participants. The goal is…

This study looks at people with severe or hard-to-treat Valley Fever, a lung infection caused by a fungus found in the southwestern U.S. Researchers want to understand why some people get seriously ill by studying their immune systems and genetics. Up to 400 participants will giv…

This study looks at how the immune system changes with age and how that affects the risk of infections in people 60 and older. Researchers will collect blood, urine, stool, and other samples from elderly patients with infections and healthy older adults. By analyzing immune cells…

This large observational study in Mali is following up to 15,000 pregnant women and children to understand why some get malaria and others don't. Researchers are looking at immune responses, parasite features, and other factors that influence infection and disease severity. The g…

This study follows 500 people with neurocysticercosis, a brain infection caused by the pork tapeworm. Participants receive standard antiparasitic drugs and anti-inflammatories. Researchers will track their health over many years to understand what factors lead to better or worse …

This study collects biological samples like blood, saliva, and urine from 300 adults aged 18-70, both with and without blood disorders such as sickle cell disease and thalassemia. The goal is to use these samples for research to better understand these conditions and related dise…

This study looks at 800 healthy adults who have cryptococcosis, a fungal infection that usually only harms people with weak immune systems. Researchers want to learn why these otherwise healthy people get sick, how their immune system responds, and how the disease progresses over…

This study follows 950 people with idiopathic CD4+ lymphocytopenia (ICL), a rare condition where low CD4+ white blood cells raise infection risk. Researchers will track participants for up to 10 years, collecting medical history, blood samples, and infection data. The goal is to …

This study aims to improve how doctors evaluate and manage people who have been exposed to bioterrorism agents (like anthrax) or emerging infectious diseases (like SARS or new flu strains). Up to 200 participants, including patients and healthcare workers, will be monitored and t…

This study screens healthy adults aged 18 to 50 to see if they can join future malaria research trials. The goal is to find safe and effective malaria vaccines, drugs, or prevention methods. Participants will have a medical history check, physical exam, and blood and urine tests.…

This study is testing whether giving healthy adults a controlled dose of whipworm eggs is safe and can cause a mild infection. Researchers will try different egg doses in 18 volunteers to find the best balance of safety and infection. The goal is to create a reliable human infect…

This study aims to find the safest and most consistent dose of hookworm larvae to use in future vaccine trials. Healthy adults aged 18 to 45 will receive different numbers of hookworm larvae through the skin. Researchers will monitor side effects and measure hookworm eggs in stoo…

This study tests a new, lightweight ultrasound device called NeoDoppler that can be gently placed on a newborn's soft spot (fontanelle) to continuously measure blood flow in the brain. Researchers will enroll 180 preterm and full-term infants, including those with conditions like…

This study is looking at whether early signs of inflammation in the blood can help identify which patients with infections are at risk for serious complications like sepsis. Researchers will follow 4,200 adults with confirmed or suspected infections, as well as healthy controls, …

This study tracks 200 children in Italy with leishmaniasis, a parasitic infection that can affect the skin or internal organs. Researchers will look at how quickly the disease is diagnosed and treated, and how that affects recovery, relapse, and death rates. The goal is to identi…

This study looks at how common certain infections are among 250 asylum seekers living in reception centers in Italy. Participants must be adults who arrived in Italy between 2 and 36 months ago. The goal is to better understand infection rates to improve health screening and care…

This early-stage trial is testing a new drug called GSK4024484 in 156 healthy adults to see if it is safe and how the body handles it. Researchers will also check if food affects the drug. The goal is to gather safety information before testing it in people with malaria.

This study aims to find the smallest number of infected mosquito bites needed to give healthy adults malaria. Twenty-four volunteers will be bitten by 1, 2, or 3 mosquitoes carrying the Plasmodium vivax parasite. The results will help researchers develop better ways to test futur…

This study looks at 20 adults in Ethiopia who have both HIV and visceral leishmaniasis (a serious parasitic disease). Researchers want to find out why the parasite keeps coming back in some patients and how to better monitor treatment. Participants provide samples and attend foll…

This study aims to find out how common female genital schistosomiasis (FGS) is among migrant women aged 15-49 who have gynecological symptoms and come from countries where the parasite is found. Researchers will use vaginal swabs and PCR tests to detect the infection, which is no…

This study looks at how the antibiotic ceftazidime avibactam behaves in 30 children with severe infections who are in intensive care, some on life support. Researchers will measure drug levels in the blood to understand the right dose. The goal is to improve treatment for life-th…

This study is collecting information on pregnancy and malaria in 9,500 women aged 15-49 in Kalifabougou, Mali. Researchers will track pregnancies, malaria cases, and pregnancy outcomes like preterm birth and anemia. The goal is to better understand these health issues in the comm…

This study aims to uncover genetic mutations or variations linked to uveitis, an inflammatory eye disease. Researchers will collect blood samples from 1,500 patients with uveitis (including infectious types) and analyze their DNA. The goal is to better understand what causes the …

This study looks at how the antifungal medicine caspofungin behaves in children with severe infections, especially those with liver problems or on life support like ECMO. Researchers will measure drug levels in the blood to understand dosing needs. About 60 children in intensive …

This study will collect data from 2,000 children admitted to pediatric intensive care units (PICUs) with severe infections across major Chinese cities. Over 10 years, researchers will track which germs cause these infections, how they are treated, and patient outcomes. The goal i…

This study looks at two common antibiotic combinations given to hospitalized adults with infections: vancomycin plus piperacillin-tazobactam, or vancomycin plus cefepime. The goal is to see if one is less likely to cause kidney injury than the other, using more sensitive markers …

This study follows 380 children in Uganda for two years to understand how malaria and HIV treatments interact. Half the children have HIV and half do not. Researchers will measure changes in body weight, blood sugar, and drug levels to find the best ways to treat both infections …

This study will test 10,000 people in Cambodia for 57 different infectious diseases, including dengue, flu, and malaria. Researchers want to understand how these diseases spread and who is at risk. The goal is to give local health authorities the information they need to create b…

This study looks at 55 women who have a chronic (long-term) infection with the Toxoplasma parasite and also have a mental health condition like schizophrenia, depression, or bipolar disorder. Researchers want to see if tiny molecules called microRNAs in the blood can help tell th…

This observational study will follow 500 adults and children in the DRC who come to the clinic with a fever. Researchers want to see if using a simple blood test (CRP), a WHO antibiotic guidebook, or electronic decision tools can help doctors prescribe antibiotics more appropriat…

This study looks back at 100 cases of human babesiosis, a rare tick-borne disease, diagnosed in France between 2000 and 2024. Researchers want to describe who gets it, what symptoms they have, and how they are treated. The goal is to improve recognition and care, especially for v…

This study looks at 100 adults with inactive liver cysts caused by a parasite. Researchers compare immune system markers between people who received treatment and those who did not. The goal is to learn how the body responds over time, not to test a new treatment.

This study aims to safely give healthy Thai adults a controlled malaria infection using frozen infected blood cells. Researchers will monitor participants closely in a hospital to find the best dose for future studies. The goal is to learn more about the malaria parasite and help…

This study aims to see if it's safe and possible to give healthy Thai adults a controlled infection of P. vivax malaria through mosquito bites. Six volunteers will be infected and monitored closely. The goal is to develop a reliable model for future research on malaria and immune…

This study looks at whether tiny parasite cells (germinal elements) are present in the liver tissue right next to or inside the fibrous wall of hydatid cysts in people with liver echinococcosis. Researchers will collect tissue samples from 100 patients during surgery to check for…

This study looks back at medical records of 30 non-HIV patients with weakened immune systems who had toxoplasmosis, a brain infection. The goal is to understand how many are affected and how to better diagnose and treat them. Researchers will track survival rates to improve care …

This study tests whether a digital vaccination record system linked to fingerprints can help more children in Ghana complete their malaria vaccine series and other routine shots. About 4,700 pregnant women and mothers of young children will take part. The system will automaticall…

This pilot study is testing whether a smart wristband can accurately measure drug levels in sweat compared to standard blood tests. Researchers will collect sweat, saliva, and blood samples from 100 patients with chronic or infectious diseases who are taking medications like cycl…

This study is looking for new ways to diagnose sepsis, a life-threatening reaction to infection, earlier in the emergency room. Researchers will study the immune responses of 3,300 adults with suspected infections to find patterns that signal sepsis. The goal is to improve diagno…

This very early study is testing a new drug called E1018 in 32 healthy adults to see if it is safe and how the body processes it. Participants receive a single oral dose of either E1018 or a placebo. The goal is not to treat malaria, but to gather initial safety data before any f…

This study aims to better understand how the spleen filters and responds to abnormal blood cells in various diseases. Researchers will collect spleen tissue and blood from 100 adults undergoing planned splenectomy. By perfusing the spleen in the lab, they hope to uncover its role…