Viral infectious disease

This first-in-human trial is testing an experimental vaccine that uses self-amplifying mRNA technology to target the SARS-CoV-2 spike protein. The study involves healthy adults aged 18 to 50 who receive two doses a month apart. The main goals are to assess the vaccine's safety, s…

This phase 3 trial is testing an experimental mRNA vaccine called mRNA-1345 to see if it can protect against respiratory syncytial virus (RSV) in adults who are at high risk of severe illness. The study includes two groups: adults aged 18 to 59 with chronic health conditions like…

This phase 2 trial evaluates an experimental mRNA vaccine (mRNA-1345) designed to protect against respiratory syncytial virus (RSV) in children aged 2 to under 18 who are at high risk of severe RSV disease. The study will assess the vaccine's safety, side effects, and immune resp…

This Phase 3 trial tests an updated COVID-19 vaccine (BNT162b2, 2025/2026 formulation) in 343 children aged 5 to 11 who have medical conditions that put them at high risk for severe COVID-19. All participants receive one dose and are monitored for about 6 months to check safety a…

This early-stage study tested an experimental flu vaccine called FluMos-v2 in 30 healthy adults aged 18 to 50. The vaccine is designed to protect against multiple flu strains at once, unlike current vaccines that target only one. Participants received two shots four months apart …

This study tests an updated COVID-19 vaccine (mRNA-1283) designed to protect against current virus variants. About 832 people aged 12 and older, especially those at higher risk, will receive the vaccine. Researchers will measure immune response and monitor for side effects to ens…

This study tested an mRNA vaccine (mRNA-1345) against respiratory syncytial virus (RSV) in 360 pregnant women. The goal was to see if the vaccine is safe for mothers and their babies, and whether it triggers an immune response that could protect infants after birth. Participants …

This study tested new mRNA-based seasonal flu vaccines in 776 healthy adults aged 18 and older. The goal was to see how safe the vaccines are and how well they boost the immune system. Researchers measured side effects and immune responses to find the best vaccine candidate.

This study tested a booster vaccine for H5N6 bird flu in about 260 adults. Some had previously received an H5N1 bird flu vaccine, while others had not. The goal was to see if the booster was safe and triggered a strong immune response. Participants received one or two doses of th…

This study tested an experimental mRNA vaccine called mRNA-1647 to see if it is safe and triggers an immune response against cytomegalovirus (CMV). The trial involved 315 healthy adults aged 18 to 40, some of whom had never been exposed to CMV. Researchers measured side effects a…

This early-stage study tested a new mRNA vaccine called IN001 for preventing shingles in 150 healthy adults aged 50 to 69. The main goals were to check the vaccine's safety, side effects, and how well it triggers the immune system. Researchers gave different doses to find the bes…

This study tested the safety and immune response of several Moderna mRNA vaccines for COVID-19, seasonal flu, RSV, and CMV in 308 healthy adults aged 18 to 75. Researchers monitored side effects and measured antibody levels after vaccination. The goal was to ensure the vaccines a…

This study is a long-term follow-up of a phase 2 trial testing Moderna's mRNA-1647 vaccine against cytomegalovirus (CMV). It involves 135 adults who previously received the vaccine or a placebo. Researchers are checking how long the immune response lasts and whether a booster dos…

This phase 3 study tested an mRNA vaccine called mRNA-1345 to protect against respiratory syncytial virus (RSV) in adults aged 50 and older. Over 3,300 participants received the vaccine alone, with a flu shot, or with a COVID-19 booster. The trial also looked at a booster dose on…

This early-stage trial tested several experimental mRNA vaccines that aim to protect against both influenza and SARS-CoV-2 in a single injection. About 1,758 healthy adults aged 18 to under 80 took part. The main goals were to check safety and measure the immune response, with re…

This study tested a new COVID-19 booster vaccine called SpiN-Tec in 432 healthy adults aged 18 to 85 who had already received full vaccination and at least one booster. The vaccine was compared to approved boosters like Covishield and Comirnaty. The goal was to check safety and w…

This completed Moderna trial tested the mRNA-1273 COVID-19 vaccine in over 4,300 healthy adolescents aged 12 to 17. The study looked at safety, side effects, and how well the vaccine works to prevent COVID-19. Participants received either the vaccine or a placebo, and some later …

This study tests whether giving patients their own specially grown immune cells (called cytokine-induced killer cells) shortly after a stem cell transplant is safe. The trial enrolls adults with lymphoma who are receiving a transplant of their own stem cells. Researchers will mon…

This study tests a treatment called LB-DTK-COV19, made from a patient's own immune cells, for people who have had COVID-19 symptoms or a positive test for more than 21 days. Participants receive two infusions of their personalized T cells, two weeks apart, and are followed for si…

This study tested a new immunotherapy called Olvi-Vec, which uses a modified virus to attack cancer cells, in 46 patients with ovarian cancer that had come back or stopped responding to standard treatments. The goal was to see if the treatment was safe and could slow tumor growth…

This study looked at whether giving plasma (the liquid part of blood) from people who recovered from COVID-19 could help critically ill patients fight the virus. The plan was to collect plasma from up to 240 recovered donors and give it to sick patients. However, the plasma donat…

This study tested a new mRNA booster shot (mRNA-1345) in 507 adults aged 60 and older who had already received a licensed RSV vaccine at least a year earlier. The goal was to see if the booster is safe and boosts the immune system's ability to fight RSV. Researchers measured side…

This study tested whether the antiviral drug Amizon (enisamium iodide) can help adults with colds or flu feel better faster. One hundred adults aged 18 to 60 took either Amizon or a placebo pill for 7 days, starting within a day of their first symptoms. Researchers tracked sympto…

This small pilot study tested whether a sustained-release ammonium chloride formula (with vitamin D) can reduce virus levels in adults with mild or moderate COVID-19 or influenza. 32 participants took either the active formula or a vitamin D-only control twice daily for 10 days. …

This study tested two drugs—remdesivir and aviptadil—in hospitalized COVID-19 patients with severe breathing failure. About 473 participants received either a study drug plus standard care or a placebo plus standard care. The goal was to see if these drugs could safely improve ou…

This completed Phase 3 trial tested the safety and effectiveness of remdesivir in 87 hospitalized COVID-19 patients with acute respiratory distress syndrome (severe breathing failure). Participants received either remdesivir plus standard care or a placebo plus standard care for …

This phase 3 trial tested whether the drug aviptadil can help hospitalized COVID-19 patients with acute respiratory distress syndrome (ARDS). 471 participants received either aviptadil plus standard care or a placebo plus standard care. The main goal was to see how well patients …

This study tested whether the drug vapendavir can reduce breathing problems in people with COPD who catch a rhinovirus (common cold). Fifty-two adults with COPD were given either vapendavir or a placebo after being exposed to the virus. The main goal was to see if vapendavir lowe…

This study tested whether giving the antiviral drug valacyclovir to pregnant women with a CMV-infected fetus could reduce the chance of the baby being born with serious symptoms. 41 pregnant women took high doses of valacyclovir daily for up to 23 weeks. The goal was to see if th…

Researchers in Basel are testing whether a blood marker called HNL can help emergency doctors quickly tell whether an infection is bacterial or viral. The study will enroll about 516 adults with suspected infection and signs of physiological disturbance. Doctors will measure HNL …

This study tested a new rapid diagnostic panel called QIAstat-Dx that can detect 15 different bacteria, viruses, and fungi causing meningitis and encephalitis in just one hour. Researchers compared its accuracy against standard lab tests using 170 stored spinal fluid samples. If …

This study looked at whether a combination of 7 biomarkers in the blood can more accurately diagnose severe bacterial infections in children aged 7 days to 36 months with fever. Researchers enrolled 983 children and compared the biomarker panel's performance against standard test…

This study tested two new types of biosensor platforms to detect viruses, bacteria, and parasites in blood and respiratory samples. The goal was to see if these devices could be accurate, fast, and cheap alternatives to standard lab tests. Researchers enrolled 149 adults with or …

This study tested a blood test that measures three proteins (ICAM1, CFHR5, and GRN) to help doctors quickly tell whether a fever is caused by bacteria or a virus. Researchers studied 394 adults with high fever and short illness duration. The goal is to improve diagnosis and reduc…

This study tests several new mRNA-based flu vaccines in about 971 healthy adults aged 18 and older. The goal is to see how well they trigger an immune response and how safe they are compared to standard flu shots. Participants receive one dose of an experimental vaccine or a comp…

This large Phase 3 trial compared a new experimental mRNA COVID-19 vaccine (mRNA-1283) with Moderna's original vaccine (mRNA-1273) in over 13,500 people aged 12 and older. The goal was to see if the new vaccine is safer, triggers a better immune response, and prevents COVID-19 at…

This study tested whether far-UVC light, a safe type of ultraviolet light, can reduce respiratory infections like flu and COVID-19 in long-term care facilities. The trial involved 550 elderly residents who are at higher risk due to age and health conditions. The light was used as…

This study tested whether a stellate ganglion block (an injection near nerves in the neck) can improve distorted sense of smell (parosmia) caused by COVID-19. 48 adults with long-term smell issues after COVID took part. Half received the nerve block, half got a placebo (saline). …

This completed study looked at why some people develop scarring in their kidneys, including rare diseases like FSGS and a mysterious form of chronic kidney disease affecting farm workers. Researchers collected blood, urine, and kidney tissue from 537 participants to better unders…

This study followed 1,771 adults and children who received blood transfusions to check how safe the blood supply is. Researchers tested patients' blood for viruses like HIV and hepatitis before and after transfusion, and stored samples for future testing. The goal was to keep blo…

This study reviewed medical records of 730 people who had bone marrow transplants between 2010 and 2015. Researchers wanted to learn how often viral infections happen after transplant and what factors make them more likely. No new treatments were tested; instead, the goal was to …

This study tested over 1,500 hospital workers in four French hospitals for COVID-19 antibodies to see how many had been infected. Researchers compared infection rates among staff in COVID-19 units, other care areas, and non-care roles, and across regions with different outbreak i…

This study tracked 241 ICU patients with severe influenza to see how many developed a fungal lung infection called IAPA. Researchers collected blood and fluid samples to identify risk factors. The goal is to help doctors spot high-risk patients earlier.

This study looked at 46 infants under 2 years old in the pediatric ICU with severe bronchiolitis. Researchers used a heart ultrasound measure called TAPSE to see if it could predict how long babies needed intensive care. The goal was to find a simple test that helps doctors plan …

This study followed 60 heart transplant patients for one year to see if levels of a harmless virus called TTV in the blood are linked to infections or organ rejection. Researchers took monthly blood samples alongside routine care. The goal is to find a new way to monitor transpla…

This study looked at whether children who grow up on farms, with more exposure to microbes, have fewer severe colds and breathing problems. Researchers tracked 290 children aged 4 to 12, including farm kids and city kids with and without asthma. The goal was to understand how ear…

This study looked at whether viral infections and diabetes in pregnant women are linked to congenital heart defects in their babies. Researchers analyzed blood and stool samples from 114 women to detect viruses and immune responses. The goal was to gather knowledge for future lar…

This completed study from France enrolled 373 people who came to the emergency room with suspected COVID-19. Researchers checked routine blood markers to see if any could predict which patients would later get worse and need intensive care. The goal was to find simple, low-risk t…

This completed Phase 1 study gave a single IV dose of the antiviral PF-07304814 to 5 healthy adults. Researchers measured how much of the drug ended up in urine and feces, and how it was processed in the blood. The goal was simply to understand the drug's breakdown and eliminatio…

This completed study looked at 189 adults who had COVID-19 to see how long their immune system remembers the virus. Researchers collected blood, saliva, and nose swabs at 6 and 12 months after infection to measure antibody levels. The goal was to understand if protective immunity…

This completed study looked at how the SARS-CoV-2 virus spreads within hospitals, involving over 2,000 patients, caregivers, and healthcare workers. Researchers tracked suspected and confirmed cases to identify risk factors and the effectiveness of infection control measures. The…