Viral infectious disease

This early-stage trial is testing whether immune cells from a donor, specially trained to attack HIV, can safely reduce the hidden HIV reservoir in people who have had a bone marrow transplant. Participants are adults with HIV who are on antiretroviral therapy and have already re…

This early-stage trial tests whether an experimental immune-boosting drug called N-803, given alone or with two powerful antibodies, can help people with HIV control the virus after they stop their regular antiretroviral therapy. The study enrolls adults with well-controlled HIV …

This trial is testing two tuberculosis (TB) vaccines—VPM1002 and a repeat BCG vaccination—in pre-adolescents aged 8-14 who were vaccinated at birth. The goal is to see if these vaccines are safe and trigger a strong immune response in children both with and without HIV, and in th…

This study tests whether the HPV vaccine Gardasil 9 can trigger an immune response in people with idiopathic CD4 T cell lymphocytopenia (ICL), a rare condition that weakens the immune system. About 54 adults with ICL and some healthy volunteers will receive three doses of the vac…

This early-stage trial is testing a new vaccine called HydroVax-001B WNV to see if it is safe and triggers an immune response against West Nile virus, a mosquito-borne disease. About 30 healthy adults aged 18 to 49 will receive either the vaccine or a placebo. The study will comp…

This early-stage trial is testing an experimental mRNA vaccine called mRNA-1195 to see if it is safe and triggers an immune response against Epstein-Barr virus (EBV). The study involves 482 healthy adults aged 18 to 55, some of whom have had EBV before and some who have not. Part…

This large phase 3 trial is testing an experimental mRNA vaccine (mRNA-1018-H5) designed to protect against H5N1 pandemic influenza. Around 4,000 healthy adults aged 18 and older will receive two doses of the vaccine or a placebo. Researchers will measure immune responses and mon…

This study tests an mRNA vaccine (mRNA-1647) to prevent cytomegalovirus (CMV) infection in people who have had a stem cell transplant. About 84 participants will receive either the vaccine or a placebo. The goal is to see if the vaccine can safely prevent CMV after stopping stand…

This phase 3 study follows healthy adults and adolescents who previously received a chikungunya vaccine in an earlier trial. It aims to see how long the vaccine's protection lasts and whether a booster shot can strengthen immunity years later. Participants will be monitored for u…

This trial is testing an experimental vaccine made from virus-like particles (VLPs) that mimic polio viruses without causing disease. It aims to see if this vaccine is safe and triggers a strong immune response in healthy infants starting at 6 weeks old and toddlers aged 12-18 mo…

This study tests a new seasonal flu vaccine made from plants, called TVLP, in 728 adults aged 18 and older. The vaccine is compared to a standard flu shot to see if it is safe and triggers a strong immune response. The goal is to find the best dose for future development.

This study tests a single dose of an experimental RSV vaccine in Chinese adults aged 18 to 59 who have health conditions that raise their risk for severe RSV disease. Researchers will compare their immune response to that of older adults (60+) from a previous study. The trial als…

This phase II trial tests a vaccine designed to protect stem cell transplant recipients from cytomegalovirus (CMV), a common virus that can cause serious illness in people with weakened immune systems. The vaccine uses a modified, harmless virus to deliver three CMV proteins, tra…

This trial tests an experimental COVID-19 vaccine called GC4006A in healthy adults aged 19 to 64. The goal is to see if the vaccine is safe and triggers an immune response. Participants receive a single shot of either the vaccine or a placebo, and researchers monitor for side eff…

This early-stage trial is testing a new nasal spray vaccine called COV2 against COVID-19. Twenty healthy adults who have already had at least two COVID-19 shots will receive two doses of one of two formulations. The study aims to check if the vaccine is safe and whether it boosts…

This study is testing whether giving the HPV vaccine (Gardasil 9) on a different schedule still works well in healthy 9-11 year olds. The standard schedule uses two or three doses, but this study gives a first dose and then a booster later. Researchers will measure antibody level…

This study looks at whether a 2-dose regimen of the Gardasil 9 HPV vaccine, given 12 months apart, triggers a strong immune response in children aged 4 to 8. The vaccine is currently approved for ages 9 and up, but this research explores if starting earlier could provide protecti…

This study tests Cervavac, an HPV vaccine, in women aged 15-25 who are living with HIV. HPV infection can lead to cervical cancer, and women with HIV are at higher risk. The trial compares two-dose and three-dose schedules of Cervavac against a standard vaccine to see how well th…

This early-stage trial tests a new COVID-19 booster vaccine called Prime-2-CoV_Beta, made from a modified orf virus. It involves 96 healthy adults aged 18-55 who have already been vaccinated or infected. The main goal is to check safety and how well the vaccine boosts the immune …

This early-stage trial tests a new shingles vaccine in 120 adults aged 40 and older. The main goal is to check safety and side effects at different doses, while also looking at how well the vaccine triggers an immune response. Participants receive either the vaccine or a placebo,…

This study was designed to check how long the Ebola vaccine (ERVEBO) protects people who might be exposed at work, like lab workers or healthcare staff. It also planned to see if a booster shot could extend that protection. However, the trial was withdrawn before enrolling any pa…

This Phase 2 study tests a new yellow fever vaccine (vYF) against the current licensed vaccine (Stamaril) in 690 healthy adults aged 18-60 in Europe and Asia. Participants receive one shot, and researchers measure immune response and safety over 5 years. The goal is to see if the…

This study tests whether training popular community leaders to share vaccine information can increase COVID-19 booster shots among Black individuals with rheumatic conditions like lupus. About 60 people will take part, including leaders and their social network members. The goal …

This study looks at whether a second, inactivated hepatitis A vaccine can safely boost protection in healthy Thai children and teens who did not develop enough antibodies after a single dose of a live-attenuated hepatitis A vaccine. About 36 participants who took part in an earli…

This study tests two new vaccines (SCB-1022 and SCB-1033) designed to protect against RSV, human metapneumovirus, and parainfluenza virus. About 612 healthy adults aged 60-85 will receive either a vaccine or a placebo. The main goal is to check safety and how well the vaccines tr…

This study tests a single dose of an updated Novavax COVID-19 vaccine designed to target the JN.1 variant. About 6,500 healthy adults aged 50 to under 65 who are not at high risk for severe COVID will receive either the vaccine or a placebo. Researchers will track how well the va…

This study is testing an experimental mRNA vaccine called mRNA-1189 to see if it can safely prevent Epstein-Barr virus (EBV) infection in healthy people aged 10 to 30. EBV is a common virus that can cause mononucleosis and has been linked to some cancers. The vaccine is given as …

This study looks at whether giving a smaller (one-fifth) dose of the HPV vaccine, either into the skin or muscle, can still trigger a strong immune response in adults aged 27 to 45. About 92 men and women in Seattle will have their antibody levels checked over a year. The goal is…

This study looks at how well the HPV9 vaccine (Gardasil 9) works in people who have had a kidney transplant. Researchers will measure antibody levels in 30 transplant recipients over 24 months and compare them to published data from healthy individuals. The goal is to see if the …

This Phase 3 study is testing the MVA-BN mpox vaccine in 344 infants and children aged 4 to 24 months in the Democratic Republic of the Congo, a region heavily affected by mpox. Researchers are comparing a standard dose to a half-dose to see if the lower dose is still effective a…

This study is testing whether a 2-dose schedule of the HPV vaccine (Gardasil 9) is as effective as the standard 3-dose schedule in women aged 16 to 45. Researchers will measure antibody levels in 352 women to compare immune responses. If the 2-dose regimen works well, it could si…

This study tests a new shingles vaccine called JCXH-105 in healthy adults aged 50 and older. It compares the new vaccine to the current standard, Shingrix, to see if it is safe and triggers a strong immune response. About 467 participants will receive either JCXH-105 or Shingrix,…

This early-stage study tests an experimental mRNA vaccine called JCXH-108 to see if it is safe and triggers an immune response against RSV, a common respiratory virus. About 75 healthy volunteers, split into two age groups (18-45 and 60+), will receive either the vaccine or a pla…

This study tests a nasal spray flu vaccine in 200 people aged 3 to 17. Researchers will measure specific antibodies in the nose to see how well the vaccine works. The goal is to understand the immune response and improve flu prevention.

This early-stage trial tests a new vaccine called AVX70371, designed to treat chronic hepatitis B by training the immune system to fight the virus. It involves 16 healthy adults aged 18 to 40 to check for safety and immune responses. The study is not yet testing if it works again…

This study tests two experimental mRNA vaccines, mRNA-1403 and mRNA-1405, designed to prevent norovirus, a common cause of severe vomiting and diarrhea. Around 1,400 healthy adults aged 18 to 80 will receive either a vaccine or a placebo. The main goals are to check safety and me…

This early-stage trial is testing a new mRNA vaccine called IN006 that targets respiratory syncytial virus (RSV). About 240 healthy adults aged 18 and older will receive either the vaccine or a placebo. The main goal is to check if the vaccine is safe and triggers an immune respo…

This large study enrolled over 15,000 U.S. military members to compare three types of licensed flu vaccines: egg-based, recombinant, and cell-culture-based. Participants were randomly assigned to one of the three vaccines over four flu seasons. The main goal is to see which vacci…

This study tests an experimental nasal vaccine made from a harmless virus (Sendai virus) that is similar to the one causing croup. The goal is to see if it is safe and helps children ages 1 to 5 build protection against croup. About 54 children will receive the vaccine as nose dr…

This study tests a new shingles vaccine in 960 healthy adults aged 40 and older. The goal is to see if it is safe and triggers a strong immune response. Researchers will monitor side effects and measure antibody levels over time. This is an early-stage trial to help develop a bet…

This early-stage study is testing a new rotavirus vaccine that is given through a dissolving microneedle patch on the skin, instead of a shot. The trial will enroll 50 healthy adults aged 18 to 45 to see if the vaccine is safe and whether it triggers an immune response. Participa…

This early-stage trial is testing whether a new flu vaccine with an adjuvant (a booster ingredient) is safe for adults aged 65 and older. Eighty volunteers will receive a single shot and be monitored for side effects over a year. The study does not yet test if the vaccine prevent…

This early-stage trial is testing the safety of a new quadrivalent influenza vaccine with an adjuvant (a booster ingredient) in adults aged 65 and older. Eighty participants will receive either the new vaccine, a standard flu vaccine, or a placebo. The study monitors side effects…

This study tests a new COVID-19 vaccine (GEO-CM04S1) in 63 adults with blood cancers like leukemia or lymphoma who have had a stem cell transplant or cell therapy. The goal is to see if this vaccine triggers a stronger immune response than standard mRNA vaccines, potentially offe…

This Phase 3 trial is testing the safety and immune response of the MVA-BN mpox vaccine in 359 pregnant and postpartum women in the Democratic Republic of the Congo. Some women receive the vaccine during pregnancy, others right after giving birth, and a small group gets it as an …

This study tests an experimental HPV vaccine in 1,800 females aged 9 to 35. The goal is to see if giving two doses to girls aged 9-14 works as well as three doses in older girls and women. Participants receive the vaccine in their upper arm and have several visits to check their …

This study tests a new mRNA vaccine designed to protect against a potential pandemic flu caused by the H5 virus. Healthy adults aged 18 and older will receive either a high, medium, or low dose of the vaccine or a placebo. The goal is to see if the vaccine is safe and triggers a …

This was an early safety study for a personalized COVID-19 vaccine. The vaccine would have been made using each participant's own immune cells, trained in a lab to recognize the coronavirus. The study was withdrawn before any participants were enrolled, so no results are availabl…

This study tests whether a blood test for Epstein-Barr virus (EBV) DNA can help doctors choose the best chemotherapy after standard radiation for nasopharyngeal cancer. About 685 patients will first receive standard chemoradiation. Then, based on whether EBV DNA is still detectab…

This study tests whether two lab-made antibodies, given as a single infusion, can help control HIV in adults who are starting standard antiretroviral therapy (ART). The trial will see if these antibodies reduce the hidden virus in blood cells and delay the virus from rebounding i…

This trial tests a smart pillbox that sends text alerts when a person misses their HIV medication. The alerts go to the user, a support person, and a case manager to help them get back on track. The study involves African American men who have sex with men and have trouble sticki…

This study looks at whether sending reminders (nudges) to doctors, patients, or both can increase the number of people with HIV who smoke getting help to quit. About 500 patients and their doctors are involved. The goal is to see if these nudges lead to more referrals and partici…

This trial is testing whether specially grown T cells from cord blood can help prevent or treat infections caused by common viruses (CMV, EBV, BKV, and adenovirus) in people who have had a cord blood transplant. The study aims to find the safest and most effective dose of these v…

This early-phase trial tested whether combining two anti-cancer drugs, pomalidomide (taken as a pill) and liposomal doxorubicin (given through an IV), is safe and tolerable for people with advanced or hard-to-treat Kaposi sarcoma. The study enrolled 62 adults, including those wit…

This study follows 75 adults who have had a stem cell or solid organ transplant and are being treated with maribavir for cytomegalovirus (CMV) infection. Researchers will track how well the drug clears the virus, how long treatment lasts, and any side effects. The goal is to see …

This study tests a mobile app called Connections for people living with HIV who also have substance use disorders. The app provides resources, weekly check-ins, discussion rooms, and private messaging with peer mentors and care teams. Researchers want to see if using the app help…

This study tests whether people with HIV who are already virally suppressed on complex treatment can safely switch to a simpler two-drug combination of bictegravir and lenacapavir. About 689 participants will be randomly assigned to either switch to the new drugs or stay on their…

This phase 2 trial tests whether immune cells from donors who have been exposed to CMV can treat persistent CMV infections in patients who have had a stem cell transplant. The study includes 49 participants with CMV that hasn't improved with standard antiviral drugs. The cells ar…

This study tests whether person-centered counseling and community outreach can help people with HIV who have fallen out of care get back on track. Researchers will work with 3,000 patients in Zambia who are late for appointments or missing viral load tests. The goal is to see if …

This trial tests whether adding a single dose of CytoGam—a concentrated antibody product against cytomegalovirus (CMV)—to standard antiviral drugs helps clear CMV from the blood faster in solid organ transplant recipients. The study enrolls adults aged 18–75 who have received an …

This study tests an injection called AHB-137 in 20 adults with chronic hepatitis B who are already on standard antiviral pills. The goal is to see if the drug can lower or eliminate hepatitis B surface antigen (HBsAg) and viral DNA, potentially leading to a functional cure. Parti…

This early-stage study tests whether immune cells grown from a donor's blood can safely fight or prevent seven different viruses in people who have had a bone marrow transplant. About 32 participants will receive these cells either as a preventive measure or as a treatment for ac…

This study tests a mobile app called WiseApp along with a smart pill dispenser to help Spanish-speaking people with HIV take their medication regularly. About 248 participants from New York City and the Dominican Republic will use the app for 12 months. The goal is to see if the …

This study offers kidney transplant patients with antibody-mediated rejection (AMR) the chance to receive felzartamab for up to 4 more years. AMR occurs when the immune system attacks the new kidney. The main goal is to check long-term safety and monitor kidney health through bio…

This study tests whether a combination of two antibodies (TMB-365 and TMB-380) given as an infusion every 8 weeks can keep HIV under control in people who are already suppressed on daily oral medication. About 88 adults with HIV will either switch to the antibody infusions or sta…

This phase 2 trial tests whether a 12-week combination of four drugs (bedaquiline, clofazimine, pyrazinamide, and delamanid) works better than the standard 26-week treatment for drug-susceptible tuberculosis. About 94 adults with TB will be randomly assigned to either the short r…

This phase II trial tests the drug pomalidomide in about 45 people with Kaposi sarcoma, a rare skin cancer. Pomalidomide works by stopping blood vessel growth and boosting the immune system to fight cancer cells. The study aims to see how long tumors shrink and how many people re…

This study tests a simplified, accelerated HIV care model called ACCELERATE. It combines rapid telehealth appointments, a pre-approved HIV medication, and a free 30-day starter supply to help people with HIV who have fallen out of care get back on track. The goal is to see if thi…

This study looks at a rare disease called KSHV-associated multicentric Castleman's disease (MCD), caused by a virus. Researchers are testing several drug combinations, including chemotherapy and antivirals, to see if they can control the disease. The study also tracks how the dis…

This study is testing a special kiosk placed in rural Appalachian Kentucky that provides clean syringes and harm reduction supplies to people who inject drugs. The goal is to see if the kiosk helps reduce the spread of HIV and hepatitis C, and lowers the risk of drug overdose. Ab…

This trial tests whether implanting a thin disc of donor cornea tissue — called a stromal lenticule — can improve corneal transparency and vision in people with herpetic stromal keratitis, a herpes infection that scars the cornea. The lenticule contains stem cells and other livin…

This trial tests a two-part approach for people with corneal scarring caused by adenoviral keratitis. Surgeons first remove the scarred tissue using a laser technique called SMILE, then implant a fresh, clear corneal lenticule of the same size into the pocket. Patients also recei…

This trial tests whether combining an oral immunomodulator with a vaginal ovule can help the body clear persistent high-risk human papillomavirus (HPV) infection, a key cause of cervical cancer. About 76 women with low-grade cervical changes will receive either the dual immunothe…

This early-phase trial tests a new type of immune cell therapy called WU-CART-007 for people with certain blood cancers, including acute myeloid leukemia and T-cell lymphoma, that have come back or not responded to treatment. The therapy uses donor cells that are genetically modi…

This early-stage trial tests a therapy made from donor immune cells, called LB-DTK-COV19, in adults with severe COVID-19. The cells are designed to target the virus and are given as a single infusion. The study aims to find a safe dose and see if the treatment can improve symptom…

This study investigates whether tirzepatide, a drug used for diabetes and weight loss, can reverse biological aging in people with HIV who are virally suppressed and have obesity. Participants receive tirzepatide for 25 weeks after a diet program. Researchers measure epigenetic a…

This phase 1 trial is testing whether combining two drugs, azacitidine and abatacept, can shrink tumors in adults with T-cell lymphoma that has relapsed or not responded to prior treatment. Up to 20 participants will receive the drugs in 28-day cycles for up to 13 cycles. The stu…

This study tests whether starting antiretroviral therapy right away during the first weeks of HIV infection can protect key immune cells from being destroyed. Adults with very early HIV (infected within the last 90 days) receive a combination of dolutegravir and emtricitabine/ten…

This trial tests whether ivermectin, a drug used for parasitic infections, can treat flat warts (plane warts). Researchers will give some participants ivermectin (by mouth and on the skin) and others a placebo to see if the drug helps clear the warts. The study includes people of…

This study tests a new drug called ACC017 in adults with HIV that has become resistant to standard treatments. The trial aims to see if ACC017 can lower the amount of virus in the blood to undetectable levels. Participants receive either ACC017 or a placebo for two weeks, followe…

This trial compares three FDA-cleared in-office procedures that treat chronic non-allergic rhinitis by targeting the posterior nasal nerve. Radiofrequency ablation (using RhinAer or Neuromark) uses heat, while cryoablation (ClariFix) uses extreme cold to reduce nerve signals that…

This study tests a program called Ssinga Nze that combines training for clinic staff with one-on-one support for people living with or at risk of HIV. The goal is to reduce HIV-related stigma and help sex workers in Uganda stick with their HIV prevention or treatment. Researchers…

This study adapts a wellness program called Chetana to help men who have sex with men (MSM) and transgender women (TGW) in India who are living with HIV stay engaged in care. The program includes yoga, nutrition, legal advice, mental health support, and peer navigators who provid…

This study follows over 3,300 people with HIV in Spain who switched from daily oral medication to a long-acting injectable combination of cabotegravir and rilpivirine. Researchers track how well the injections control the virus, how long patients stay on treatment, and any side e…

This study looks at whether testing high-risk newborns for HIV right after birth using a point-of-care test can speed up diagnosis and treatment. Infants who test positive will start on a dolutegravir-based drug regimen. Researchers will track how quickly the virus becomes undete…

This study tests a program designed specifically for Haitian immigrants living with HIV. The goal is to help them stay engaged in medical care and lower their virus levels. Participants will attend four one-on-one meetings over six months and complete questionnaires. A small grou…

This study tests a new drug called bepirovirsen in 153 people who have both HIV and chronic hepatitis B and are already on HIV treatment. The goal is to see if bepirovirsen can clear the hepatitis B virus from the body better than a placebo. Participants will continue their regul…

This trial investigates whether intravenous ribavirin can help treat people with Crimean-Congo hemorrhagic fever or Lassa fever, two severe viral infections. The study enrolls up to 30 military-affiliated adults who have a probable or suspected case. Participants receive a specif…

This study tests whether giving two experimental drugs in sequence can achieve a functional cure for chronic hepatitis B. Participants are adults with chronic HBV who are already on standard antiviral therapy. They will receive either one of two doses of daplusiran/tomligisiran f…

This phase 2 trial investigates whether intravenous ribavirin (Virazole) can reduce deaths in adults with hemorrhagic fever with renal syndrome (HFRS), a severe viral illness that can cause kidney failure. The study enrolls military-affiliated personnel with probable or suspected…

This study tests a new oral antiviral drug, ARN-75039, for treating Lassa fever, a serious viral illness common in West Africa. About 135 hospitalized adults will receive either a high or low dose of the new drug or the standard IV treatment, ribavirin, for 10 days. The goal is t…

This study tests whether dasatinib, a drug currently used for leukemia, can safely control HIV in people who were infected within the past 3 to 12 months and have not yet taken standard HIV medications. Participants receive either dasatinib or a placebo for 16 weeks. The goal is …

This study tests a new approach for people receiving a stem cell transplant from a partially matched family donor. The donor's immune cells (T cells) are modified in the lab to include a 'suicide gene' that can be activated by a drug if the cells attack the patient's body, causin…

This trial tests whether specially modified T cells from a partially matched donor can help patients recover their immune system faster after a stem cell transplant. The T cells are engineered with a 'suicide gene' that allows doctors to destroy them if they cause graft-versus-ho…

This early-stage study tests a new lab-made antibody called VH4527079 in healthy adults and people with HIV. The goal is to check if it is safe and how the body processes it when given as a single shot or multiple infusions. About 102 participants aged 18-55 will take part. This …

This study tests a non-invasive pneumatic vest designed to apply pressure to the chest wall in patients with acute respiratory distress syndrome (ARDS) caused by COVID-19 who are on mechanical ventilators. The goal is to see if the vest can improve oxygen levels in the blood. Up …

This study tests whether specially grown immune cells can fight three common viruses—adenovirus, CMV, and EBV—in people whose immune systems are weak due to a stem cell or organ transplant, or an inherited immune disorder. The cells are made from a donor's blood and trained to re…

This study tests whether personalized text messages can motivate people living with HIV in Vietnam to quit smoking. Participants receive motivational texts over six months and are encouraged to use a free government quitline that provides nicotine patches. The goal is to see if t…

This study tests whether delivering healthy food boxes, remote health monitoring, and one-on-one coaching can help low-income Black adults with type 2 diabetes better control their blood sugar. The trial enrolls 304 participants in the Deep South and tracks changes in HbA1c level…

This study tests a counseling program for people living with HIV who also face mental health challenges or substance use. The program uses one-on-one sessions to help with medication adherence, stress, and other life issues. Researchers will see if participants complete the progr…

This study tests a virus called AdAPT-001 that is injected directly into tumors to kill cancer cells. It is for adults with advanced solid tumors that have not responded to standard treatments. The trial will check if the virus is safe and whether it works better when combined wi…

This study looks at the safety and effectiveness of the HIV medication B/F/TAF in pregnant women who have had their virus under control for at least six months. About 50 women in their first trimester will continue taking the drug through pregnancy and 12 weeks after birth. Resea…

This study looks at two antiviral drugs, TAF and TDF, in pregnant women with chronic hepatitis B. It aims to see which one better controls the virus and keeps the mother's liver healthy without harming the baby. About 816 women in early or middle pregnancy will take one of the dr…

This study tests a new HIV medicine, fostemsavir, in people whose HIV has become resistant to many other drugs. About 371 adults with multi-drug resistant HIV took part. The goal was to see if fostemsavir could lower the amount of virus in their blood. This is a disease control s…

This study was designed to see if corticosteroids (prednisone or hydrocortisone) could help COVID-19 patients who need extra oxygen. It planned to enroll adults with confirmed COVID-19 and pneumonia, using CT scans to identify those likely to benefit. However, the trial was withd…

This study tests a 4-session behavioral program to reduce alcohol use in 450 people with TB and HIV in India. Unhealthy drinking can worsen TB and HIV outcomes. The program is added to usual care, and researchers will check if it lowers alcohol use and improves health. The goal i…

This early-stage trial tests a biologic treatment for 20 people with moderate COVID-19 who also have controlled cancer. The treatment aims to help the immune system recognize and kill the virus. Researchers will check if the virus clears and if the immune response improves.

This early-stage trial tests a therapeutic vaccine called ISA104 in 24 people with chronic hepatitis B who are already on antiviral drugs. The goal is to see if the vaccine is safe and can boost the immune system to better fight the virus. Participants will receive either ISA104 …

This study tests a program called Healthy Choices, which uses text messages and telehealth sessions to help young people with HIV (ages 18-29) in Florida manage their alcohol use and take their HIV medication every day. The goal is to improve daily medication adherence and viral …

This study is for adult women living with HIV who have experienced intimate partner violence. It tests a program that combines trauma-informed counseling with a safety planning app to improve mental health, HIV management, and safety. The goal is to see if this approach can reduc…

This study tests whether giving a guaranteed income of $6,750—either as a lump sum or monthly payments—helps people with HIV who have recently been in jail stay connected to care and keep the virus under control. Thirty-three participants will be randomly assigned to receive the …

This study tests whether two lab-made antibodies, 3BNC117-LS and 10-1074-LS, can safely reduce the hidden HIV reservoir in people already on suppressive antiretroviral therapy (ART). The trial involves 105 adults with HIV who will receive three infusions of the antibodies or a pl…

This study tests whether using a dried blood spot test (a simple finger prick) can help people with hepatitis C start treatment faster than the usual method that requires a blood draw. The trial involves 141 participants who work with a peer support program and telemedicine. The …

This study tests whether a single injection of peramivir can safely treat uncomplicated flu in adults. Participants receive either 150 mg, 300 mg of peramivir, or a placebo, and researchers measure how quickly symptoms improve. The goal is to see if this antiviral shot offers a f…

This Phase 2 trial tests whether adding Gammora® (a peptide) to standard antiretroviral therapy can reduce the hidden HIV reservoir in people newly diagnosed with HIV. Forty participants who have never taken HIV drugs will be randomly assigned to receive either Gammora® plus stan…

This early-stage study tests a single dose of a new long-acting antibody in 20 people with HIV who are not on regular medication. The goal is to see if the antibody is safe and can lower the amount of virus in the blood. Results will help design future studies for both HIV treatm…

This study compares two methods of rolling out a program called Bridges, which gives financial literacy training and one-on-one mentors to 1,440 teens aged 11-17 who lost parents to AIDS in Uganda. The goal is to see which approach works better at reducing HIV risk and improving …

This study tests whether the antiviral drug tecovirimat can help people with monkeypox heal faster. About 480 adults and teens (14+) with active lesions will receive either tecovirimat or a placebo, alongside standard care. The main goal is to see how quickly skin and mouth sores…

This study tests whether the antiviral drug entecavir can prevent hepatitis B from reactivating in people with a type of blood cancer (CD20-positive B-cell lymphoma) who have had hepatitis B in the past but cleared it. The 84 participants will take entecavir before starting their…

This early-phase trial tests a biological product mix designed to train the immune system to recognize and clear multiple strains of HPV. The study involves 20 participants with cervical HPV infection who do not have symptoms or signs of cancer. The treatment is given through the…

This phase 2 trial tests a new COVID-19 booster vaccine (GEO-CM04S1) in 80 people with chronic lymphocytic leukemia (CLL). The goal is to see if this vaccine triggers a stronger immune response than standard mRNA boosters. Participants will receive either the new vaccine or a sta…

This early-phase trial tests a gene therapy approach for people with HIV who also have lymphoma that has returned or not responded to treatment. Researchers take the patient's own stem cells, add anti-HIV genes in the lab, and return them after a stem cell transplant. The goal is…

This study was designed to test whether an inhaled drug called ZYESAMI could help people with severe COVID-19 avoid getting worse and needing a ventilator. It was a Phase 3 trial, meaning it was in the final stage of testing. However, the study was withdrawn before any participan…

This study was designed to test whether the drug itolizumab could help hospitalized COVID-19 patients recover faster. The trial was planned for 18 years and older with confirmed COVID-19 pneumonia and low oxygen levels. However, the study was withdrawn before enrolling any partic…

This study is testing a mobile app called Suubi-Mhealth for Ugandan teens aged 14-17 who have both HIV and depression. The app uses cognitive-behavioral therapy (CBT) to help improve mood and make it easier to stick with HIV medication. About 248 teens will take part to see if th…

This study tests whether lungs from donors with hepatitis C can be safely transplanted into people without the virus. The lungs are treated with a special machine to try to reduce the virus. If the recipient gets infected, they will be treated with standard antiviral medication. …

This study tests a program called Khanya, where trained peers (people with lived substance use experience) help HIV patients stick to their medication and reduce drug or alcohol use. The program is offered in steps: a basic version first, then a more intensive one if needed. Rese…

This study tests whether a telemedicine program that combines brief counseling with cognitive-behavioral therapy can help people with HIV reduce unhealthy alcohol use and improve their overall health. About 308 participants in Alabama will receive either the combined program or b…

This study tests whether offering small prizes (phone credit) can encourage young people aged 15-30 with HIV to take their medication every day. 560 participants in Uganda are split into groups with different reward rules. The goal is to see if these low-cost incentives improve a…

This study tests whether pomalidomide, a drug currently used for multiple myeloma, can help control HIV when people temporarily stop their standard antiretroviral therapy (ART). Thirty-two adults with well-controlled HIV will receive either pomalidomide or a placebo alongside low…

This study aimed to test a drug called IC14 in adults with early dengue fever to see if it is safe and could help reduce symptoms and viral levels. It was designed for people in areas where dengue is common, but the trial was withdrawn before any participants were enrolled. No re…

This study looks at switching kidney or liver transplant patients with chronic hepatitis B to a drug called tenofovir alafenamide (TAF). The goal is to see if TAF is safer for the kidneys, controls the virus well, and is easier for patients to stick with. The study involves 52 ad…

This study tests whether semaglutide, a drug used for diabetes, can reduce harmful belly fat and improve heart health in people with HIV who have excess fat around the midsection (lipohypertrophy). About 108 participants will receive either semaglutide or a placebo for 32 weeks. …

This study tests a 12-week course of three antiviral drugs (sofosbuvir, velpatasvir, and voxilaprevir) in 200 adults with chronic hepatitis C whose virus returned after previous treatment. The main goal is to see if the virus becomes undetectable 12 weeks after therapy ends. Rese…

This study is testing a new drug called Golcadomide (BMS-986369) in about 85 people in Japan whose T-cell lymphoma has come back or not responded to treatment. The goal is to check the drug's safety and how well it works against the cancer. Participants will receive the drug and …

This study tests whether a probiotic called Lactobacillus plantarum 299v (Lp299v) can improve blood vessel function in people with Long COVID (PASC). The trial includes 80 adults who had COVID-19 30-180 days ago and have ongoing symptoms. Participants take either the probiotic or…

This early-phase study tests an experimental drug called DS-3201b in about 100 adults with non-Hodgkin lymphoma whose cancer has come back or is not responding to current treatments. The main goals are to find a safe dose and see how the drug works in the body. The study also che…

This study is testing a drug called pradefovir mesylate in 400 adults with chronic hepatitis B. The goal is to see how well it lowers the virus and how safe it is in everyday medical practice, not just in a strict research setting. Participants are being followed for up to 65 wee…

This study tests whether a combination of two lab-made antibodies and an antiviral drug called lenacapavir, given every 6 months, can keep HIV under control in adults whose virus is already suppressed by daily pills. About 83 participants will either switch to the new long-acting…

This study tests two antiviral medications, TAF and TDF, in 200 pregnant women with chronic hepatitis B. The goal is to see which drug better prevents passing the virus to the baby and causes fewer birth defects or side effects. Participants take the drug daily during pregnancy a…

This study looks at how safe and effective certain HIV medicines are for children and teens (ages 4 weeks to under 18 years) who already have the virus under control. Participants take a combination of drugs (atazanavir or darunavir boosted with cobicistat, plus emtricitabine/ten…

This early-phase study tests a new treatment for advanced osteosarcoma and neuroblastoma that has not responded to standard therapy. Researchers take a patient's own immune cells (T cells), add a gene to help them recognize and attack cancer cells, and combine them with a chicken…

This trial tests a device called Seraph 100, a blood filter used to treat severe COVID-19. The goal is to see if filtering the blood can reduce organ failure in patients with COVID-19 who are in the intensive care unit. The study enrolled 42 adults with confirmed COVID-19 and org…

This study tests whether peer mentors—people with similar experiences—can help individuals recently released from jail or prison get connected to Hepatitis C care and stay in treatment. About 80 participants will either receive a peer mentor or standard referral. The goal is to s…

This study aimed to see if a special blood filter (Seraph 100) could reduce BK virus levels in kidney transplant patients with high viral loads. It planned to enroll adults with a BK virus level of 10,000 IU/mL or higher who already had dialysis access. However, the trial was wit…

This trial tests a video-based counseling program for adolescents living with HIV in Malawi. About 1,800 teens and their treatment supporters will either receive the video intervention or standard care. The goal is to see if the videos help teens take their medication regularly a…

This study tests a program called PASEO that helps teenagers with HIV in Lima, Peru, successfully move from pediatric to adult HIV care. The program includes a helper who checks in monthly, peer support groups, education sessions, and mental health support. About 160 teens will t…

This study tests a 12-week course of the drug Sofosbuvir/Velpatasvir in about 100 pregnant women with chronic hepatitis C. The goal is to see if the treatment can cure the virus and whether it affects the timing of delivery. Mothers are followed for 12 weeks after treatment, and …

This phase 2 trial tests whether a single, low dose of radiation to the chest can reduce lung inflammation in hospitalized COVID-19 pneumonia patients. Researchers compare two radiation doses (35 cGy and 100 cGy) to standard care. The goal is to see if this treatment lowers the n…

This early-phase study tests whether taking prebiotic fiber and probiotics can improve fatty liver disease in people with HIV. Researchers believe changes in gut bacteria may contribute to liver problems. The trial involves 63 participants and measures liver fat and gut health ma…

This pilot study tests whether giving the smoking-cessation drug varenicline to people with HIV who also have alcohol use disorder is practical and safe. Thirty participants will receive the medication along with support from a pharmacist and psychiatrist. The goal is to see if t…

This study tests a combination of two drugs, atezolizumab and bevacizumab, in 51 people with advanced liver cancer who also have chronic hepatitis B. The goal is to see if the treatment can shrink tumors and control the disease. Participants receive the drugs every three weeks, a…

This study tests whether the drug tocilizumab can help people with severe or critical COVID-19 who have serious lung problems (ARDS). About 200 adults will receive one or two doses and be followed for 30 days. The goal is to see if the drug improves survival and recovery. There i…

This study is testing a device called DaRT that delivers alpha radiation directly into tumors. It is for people with skin cancer, mouth tumors, or superficial soft tissue sarcoma who have not responded to other treatments or cannot have standard therapy. The goal is to see if the…

This study tested a treatment called CG0070, a virus designed to attack cancer cells, in people with high-grade non-muscle invasive bladder cancer. Participants had already tried standard therapy (BCG) without success and chose not to have their bladder removed. The goal was to s…

This study looks at people with HPV-positive throat cancer that has spread but can still be removed with surgery. After surgery, some patients get the usual high-dose radiation plus chemo, while others get a lower dose. The goal is to see if the lower dose works just as well and …

This early-stage study tests the safety of dostarlimab, an immunotherapy drug, in people with HIV-related Kaposi sarcoma that hasn't responded to standard HIV treatment. About 15-20 participants will receive the drug alongside their HIV therapy. The goal is to see if the drug is …

This study compares a shortened steroid regimen (8 days for moderate, 14 days for severe pneumonia) against the standard 21-day course in 196 HIV patients with Pneumocystis pneumonia. The goal is to see if the shorter treatment is non-inferior in preventing death and complication…

This study looks at whether the shingles vaccine is safe and works well in young adults (19 and older) who have had a solid organ transplant. About 80 participants will get two doses of the vaccine and be monitored for side effects and immune response. The goal is to help protect…

This study tests a new treatment for cancers linked to the Epstein-Barr virus (EBV), such as Hodgkin lymphoma and nasopharyngeal carcinoma. The treatment uses immune cells from healthy donors that are specially trained to attack EBV-infected cells. These cells are stored in a ban…

This pilot study tests whether adding a PD-1 antibody (sintilimab) and pegylated interferon to standard antiviral therapy can help people with chronic hepatitis B lose the hepatitis B surface antigen (HBsAg), a key step toward a functional cure. The trial will enroll 45 adults wh…

This study tests a 'data-to-suppression' approach to help people with HIV who are not virally suppressed. It uses reports to guide support services for about 1,500 low-income individuals in New York City. The goal is to improve viral suppression rates and reduce health disparitie…

This study tests several experimental treatments at once in critically ill COVID-19 patients who need high-flow oxygen or a ventilator. The goal is to quickly find which treatments can reduce deaths and shorten the time patients need breathing support. About 1,500 adults in the h…

This study tests whether virtual or in-person support helps teens with HIV stay in care and keep the virus under control. About 570 teens aged 15-19 in South Africa will receive either standard care or extra support to prepare for moving to adult clinics. The goal is to see which…

This study looks at whether giving long-acting HIV injections at home is as practical and acceptable as giving them in the hospital. About 120 adults with well-controlled HIV will receive the shots either at home or in the hospital. Researchers will measure how easy and appropria…

This early-phase trial tests an HPV vaccine series in healthy relatives of patients with advanced HPV-related cancer. The goal is to generate HPV-specific white blood cells that can be collected and used in a bone marrow transplant or donor lymphocyte infusion for the patient. Th…

This Canadian study tests whether the antiviral drug tecovirimat (TPOXX) helps non-hospitalized adults with monkeypox recover faster. About 120 participants will receive either the drug or a placebo. The main goal is to see how quickly skin lesions heal and whether running such a…

This early-phase trial tests whether a combination of two experimental vaccines, an immune booster, and two powerful antibodies can help people with HIV control the virus after stopping their daily antiretroviral therapy. Eleven participants will receive the regimen while on ART,…

This study looks at whether giving HIV treatment to babies within the first week of life can reduce the amount of virus hiding in their bodies. Researchers want to see if this early start helps the immune system fight HIV better, possibly allowing children to stop medication for …

This study looks at two different approaches to prevent cytomegalovirus (CMV) infection in people who have received a kidney transplant from a living donor. The participants are at intermediate risk for CMV and are given standard anti-rejection medication. The goal is to see whic…

This study looks at 260 chronic hepatitis B patients who stopped their antiviral medication and then had a flare-up. They are switched to a drug called tenofovir alafenamide (TAF) to see if it can control the virus and improve liver health. The goal is to measure how many patient…

This study tests whether giving people with HIV same-day results from a simple urine test and a viral load test can help them stick to their medication and keep the virus under control. About 539 people starting HIV treatment in South Africa will take part. The goal is to see if …

This study tests whether giving inhaled anesthetics (isoflurane or sevoflurane) to sedate COVID-19 patients on ventilators can improve survival and reduce time on the breathing machine compared to standard IV sedatives. About 800 adults in the ICU with lung failure will be random…

This study planned to test whether putting a thyroid hormone (T3) directly into the lungs could help people with severe COVID-19 who need a breathing machine. The goal was to reduce fluid in the lungs and shorten time on a ventilator. However, the trial was withdrawn before any p…

This study tests whether text messages and counseling can help women living with HIV make better decisions about contraception and pregnancy. About 3,310 women in Kenya will receive either standard care or the mobile health program. The goal is to reduce unplanned pregnancies and…

This study tests if an extra stitch between the ribs during lung surgery can prevent a rare complication called lung hernia, where lung tissue bulges through the chest wall. About 104 adults having lung surgery will be split into two groups: one gets the extra stitch, the other g…

This study tests if a once-weekly combination of two oral drugs, islatravir and lenacapavir, can keep HIV under control in people whose virus is already suppressed. 142 participants switched from their daily HIV pill to this weekly regimen. The main goal is to see if the virus st…

This study tests an experimental drug called RBD1016 in 14 adults with chronic hepatitis D, a serious liver infection. The main goal is to see if the drug can lower the amount of virus in the blood over 60 weeks. Participants receive either RBD1016 or a placebo and visit the clin…

This study tested an antiviral drug called tenofovir in children aged 2 to 12 with chronic hepatitis B. The goal was to see if the drug could lower the amount of virus in their blood compared to a placebo. The trial involved 90 children and measured safety and effectiveness over …

This study tests whether empagliflozin, a diabetes drug, can prevent liver scarring (fibrosis) from getting worse in people with chronic hepatitis B. About 106 participants with moderate to severe liver scarring will take either empagliflozin or a placebo daily for three years. T…

This study tests a modified plan to prevent and treat cytomegalovirus (CMV) infection in people with blood cancers who have had a donor stem cell transplant. CMV is a common virus that can cause serious problems after transplant. The study involves 153 participants and looks at w…

This study tests a smartphone app and a tablet dashboard for community health workers to support people with both tuberculosis (TB) and HIV in South Africa. The app helps patients stay on track with their medications, while the dashboard alerts health workers if someone needs ext…

This study tests whether doxycycline, an antibiotic, can slow the worsening of emphysema in people living with HIV. About 133 current or former smokers with HIV will take doxycycline for 72 weeks. Researchers will measure lung function, walking ability, and check for antibiotic r…

This study aimed to test whether giving antibody-rich plasma from recovered COVID-19 patients could help hospitalized adults with pneumonia caused by the virus. The trial was withdrawn before any participants were enrolled, so no data was collected. The approach was based on the …

This phase II trial is testing whether giving the immunotherapy drug pembrolizumab before standard chemotherapy and radiation can help prevent stomach cancer from coming back. It includes 40 people with operable stomach cancer that has either a specific DNA repair problem (mismat…

This study planned to test a combination of two drugs, pembrolizumab and lenvatinib, in people with a rare skin cancer called classic Kaposi sarcoma that had not responded to prior chemotherapy. The goal was to see if the combination could shrink tumors better than standard chemo…

This study compares two rapid point-of-care tests for COVID-19: the ID NOW and the Accula. The goal is to see which one is more accurate at detecting the virus, by measuring sensitivity, specificity, and predictive values. Adults who need a COVID-19 test or have already tested po…

This study compares different ways to collect anal cell samples and different HPV tests to see which combination best predicts high-grade anal dysplasia, a pre-cancerous condition. Researchers are enrolling men who have sex with men, including those with and without HIV. The goal…

This study is testing a blood test that looks for HPV DNA in the blood of people treated for HPV-positive oropharyngeal cancer. The goal is to see if the test can find cancer recurrence earlier than standard follow-up methods. About 150 participants are being followed after treat…

This study compares a new device, cureVision cV, to an existing one (MolecuLight i:X) to see if it can accurately detect moderate to high levels of bacteria in wounds. About 100 adults with various wound types (like diabetic foot ulcers or surgical wounds) will be enrolled. The g…

This study planned to compare a rapid antigen detection test against the standard PCR test for diagnosing COVID-19 in people who were close contacts of infected patients but had no symptoms. The goal was to see if the quick, inexpensive antigen test could reliably identify contag…

This study evaluates a new blood test called Xpert Tropical Fever that can quickly detect several tropical diseases like malaria, dengue, and Zika from a small blood sample. Researchers will enroll 2,500 people with fever symptoms to see how accurate the test is compared to stand…

This study tests a simple, at-home smell test to see if it can detect COVID-19 infection and track how smell recovers over time. About 1000 adults, including those with known smell loss and healthy volunteers, will use smell cards to rate odor intensity, identification, and discr…

This study is looking for better ways to find HPV-related throat and anal cancers early in men. Researchers are testing whether a blood test or a simple mouth rinse can spot signs of the virus that might lead to cancer. They plan to follow 1,500 men over time to see if these test…

This study tests a new long-acting injection called lenacapavir, given every 6 months, to prevent HIV in cisgender women in the US. About 253 women will receive either the injection or daily pills (Truvada) to compare how well the drug works in the body, its safety, and how accep…

This study tests a 24-week program called CoMPASS that uses rewards (contingency management) and extra support to help people who inject drugs take PrEP consistently for HIV prevention. About 526 participants with opioid use disorder will be enrolled. Those who don't stick with P…

This study looks at a new way to prevent HIV in people who inject drugs. It tests a shot given under the skin every 6 months (lenacapavir) and compares it to daily pills. The goal is to see how well the shot works in the body and if it is safe. About 181 people in the US are taki…

This trial tests two strategies for preventing cervical cancer in women living with HIV in Tanzania. Both strategies involve HPV self-sampling and visual checks of the cervix, but they differ in the timing of HPV vaccination. The study aims to see which approach better reduces pr…

This trial tests whether giving the smallpox vaccine to people who have been exposed to mpox can prevent them from getting sick or reduce the severity of the disease. It involves about 3,000 household members of people with confirmed mpox, who receive either the vaccine or a cont…

This study looks at how to keep a youth-friendly HIV self-testing program called 4YBY running in Nigeria. It will involve over 1,200 young people aged 14-24 who are at risk for HIV. Researchers will compare standard program delivery with an enhanced version that includes extra su…

This study tests whether showing parents of unvaccinated 11-17 year olds a combination of personal HPV stories and informational videos increases the number of teens who get the HPV vaccine. Over 1,100 parents will be randomly assigned to watch either an informational video, a pe…

This study tested two ways to prevent HIV in over 5,000 adolescent girls and young women at risk. One group received a long-acting shot every six months, while others took daily pills. The goal was to see how well each method works to keep participants HIV-free.

This study will check how well two RSV prevention methods work in real life: a vaccine given to pregnant women and an antibody shot given to newborns. Researchers will follow about 1,100 infants under 6 months old who are hospitalized with severe respiratory infections in Bogotá,…

This study aims to see if health communication campaigns and added community support can increase COVID-19 vaccination rates in 15 rural Kentucky counties. About 2,250 adults will take part, with some counties getting only messages and others getting extra help like transportatio…

This trial asks whether wearing a surgical mask every day can prevent acute respiratory infections like influenza and COVID-19. About 2,000 adults who normally don't wear masks will be randomly assigned to either wear a mask when outdoors or continue without one for 3–4 months du…

This study looks at whether long-acting HIV prevention shots (CAB-LA) are safe and work well for breastfeeding mothers after childbirth. About 500 new mothers in Botswana will get the shots and be followed for 24 months along with their babies. The goal is to see if this method c…

This pilot trial tests whether training Gancheros—people who provide injection services in exchange for money or drugs—can lower HIV, hepatitis C, and overdose risks among migrant Puerto Rican people who inject drugs in New York City. Gancheros will attend six sessions on prevent…

This study tests whether a campaign designed and run by high school students can increase HPV vaccination in Chambers County, Alabama, which has the state's highest cervical cancer rate. Twenty-nine students will create and spread messages through multiple channels to encourage t…

This study looks at how to increase HPV vaccination rates among young adults aged 18-26 in Texas. Researchers will test different ways to encourage college students who haven't had the vaccine to start and complete the series. The goal is to prevent HPV infections and related can…

This study tests whether a community-based communication program can increase flu vaccination rates among people over 65 in Can Tho City, Vietnam. The program includes direct counseling, weekly health tips via the Zalo app, and printed leaflets. Researchers will compare vaccinati…

This study tests a program called ZAIMARA that brings together adolescent girls (ages 15-19) and their mother figures for a two-day workshop. The goal is to improve communication about HIV, sexually transmitted infections, and PrEP, and to increase HIV testing and prevention. Res…

This study tests whether the nine-valent HPV vaccine can prevent long-lasting oral HPV infections in men who have HIV. About 700 men will receive either the vaccine or a placebo. The goal is to see if the vaccine reduces new persistent infections with HPV types linked to throat c…

This study is testing a web-based platform called Jom-TestPlus that lets transgender women in Malaysia order HIV self-test kits online and get real-time counseling. The goal is to help them quickly connect to HIV prevention or treatment services. Fifty participants will use the p…

This study is testing a web-based platform called Jom-TestPlus for men who have sex with men in Malaysia. The platform offers HIV self-testing, real-time online counseling, and help connecting to prevention or treatment services. Researchers want to see if this approach increases…

This study looks at whether a new antibody injection, called zamerovimab and mazorelvimab, combined with the standard rabies vaccine, can prevent rabies in people who have been severely bitten by a dog. The trial follows 80 adults in China for up to one year to see if they stay r…

This study adapts an existing HIV prevention program, Many Men Many Voices, into a version called LAFIYA for young sexual minority men living in slums in Ghana. The goal is to reduce stigma and increase the use of HIV self-testing kits. Researchers will test whether the program i…

This phase 3 study tests a 9-valent HPV vaccine (V503) in 6,000 Chinese women aged 20-45 to see if it prevents persistent infection and cervical disease from five additional HPV types compared to the current 4-valent vaccine. Participants receive either the new vaccine or Gardasi…

This study is testing a mobile-friendly app called DASH that provides information and guidance about PrEP (a daily pill that prevents HIV) to people who have used an HIV self-test kit. The app helps users explore their values and make informed decisions about starting PrEP, with …

This study tests whether trained peer navigators, connecting with students through a mobile health app, can increase the use of HIV prevention pills (PrEP) and contraception among sexually active female university students aged 18-24 in Zambia. 324 participants will be randomly a…

This study tests whether offering lottery-based rewards for saving money can help Kenyan men reduce behaviors that raise their risk for HIV and other STIs. About 1,500 men aged 18-39 who drink alcohol and have paid for sex in the past will be split into two groups. One group gets…

This study is testing whether the MVA-BN mpox vaccine is safe and triggers a strong immune response in 600 adults living with HIV in Kinshasa, DRC. Participants receive two vaccine doses 28 days apart and are grouped by their CD4 count. The goal is to see if the vaccine works wel…

This study aimed to see if hydroxychloroquine could prevent COVID-19 hospitalizations in adults on dialysis for kidney failure. It was designed as a randomized trial but was withdrawn before enrolling any participants. No results are available.

This study tests a program to help HIV-positive adults get the HPV vaccine, which can prevent HPV-related cancers. The program gives clinics and staff tools to encourage vaccination. Researchers will track how many people start and finish the vaccine series over two years.

This study tests whether nurse-navigators can help adolescent girls and young women in Kenya start and continue taking PrEP, a daily medication that prevents HIV. About 1,900 participants will get PrEP at local pharmacies after buying birth control, and half will also receive ext…

This study tests different support strategies to help people who inject drugs in rural areas start and continue taking PrEP, a daily pill that prevents HIV. About 424 participants from three syringe service programs will be randomly assigned to receive either peer-led counseling …

This study tests a personalized support program (C4) to help Black men who have sex with men take their HIV prevention medication (PrEP) consistently. About 350 men will either get the program or standard care. The program addresses personal needs like mental health and housing t…

This study compares a 5-day versus a 10-day course of oseltamivir (Tamiflu) to prevent influenza in people exposed to the virus while in the hospital. About 200 adults with flu risk factors will be randomly assigned to one of the two treatment lengths. The goal is to see if the s…

This study tests whether a short educational session plus weekly text reminders can increase HPV vaccination rates among children of Mexican-American parents. About 672 parents will be randomly assigned to receive either education alone or education plus text reminders. The goal …

This trial tests whether training primary care clinics to better use HPV vaccine standing orders can increase vaccination rates in children ages 9-12. Some clinics receive communication training alone, while others also get help optimizing their standing orders. The study uses va…

This study works with primary care and reproductive health clinics to make it easier for women who inject drugs to get PrEP, a daily pill that prevents HIV. Researchers are testing a program where clinic staff get extra training and support to identify and prescribe PrEP to these…

This study aimed to see if the BCG vaccine, originally for tuberculosis, could reduce the severity of COVID-19 in healthcare workers in Medellín, Colombia. It planned to give a single dose of BCG or a placebo to 0 participants (doctors, nurses, and nursing assistants) who were di…

This study tests a new rabies vaccine in 3,000 healthy people aged 10 to 60. The goal is to see how well it triggers the body's defenses and if it's safe. The vaccine is given in different schedules to find the best way to prevent rabies after a possible exposure.

This study tests whether a mobile app called LifeSkills can lower the number of new HIV infections among young transgender women aged 16-29 in the U.S. About 5,100 participants will use either the app or standard care, and their HIV status will be checked over time. The goal is t…

This study compares two low-burden strategies to increase HIV PrEP use among emergency department patients seeking care for sexual health issues. One strategy involves follow-up outreach after the visit, while the other offers a tele-sexual health visit during the ER stay. The go…

This early-stage trial is testing the safety of a new drug combination called IDB-011 in 40 healthy adults. The goal is to see if it is safe and how the body processes it, as a first step toward possibly preventing Rift Valley Fever, a viral disease spread by mosquitoes. Particip…

This study looks at ways to help more teens in rural areas get the HPV vaccine, which can prevent certain cancers. Researchers are working with 203 primary care practices to test a program called PC TEACH. The goal is to make it easier for families to get the vaccine on time.

This study tests whether sending HIV self-test kits to men who have sex with men on a subscription basis encourages them to test more regularly. 240 participants in Hong Kong will receive reminders to test during a control period, then receive actual test kits during an intervent…

This study tests a community-based approach to lower HIV rates among men who have sex with men (MSM) at highest risk in the southern United States. The strategy uses local coalitions to reduce barriers, promote testing, increase PrEP use, and improve care for those living with HI…

This study tests whether trained peer educators can help more college students learn about and start taking PrEP, a daily pill that prevents HIV. About 123 students aged 18-26 from four HBCUs will take part. The goal is to see if this approach increases PrEP awareness and use ove…

This study tested whether a social marketing campaign—with or without text message reminders—could increase the number of Mexican American children ages 9 to 17 who complete the full 3-dose HPV vaccine series. About 181 parents in the New York City area took part. The goal was to…

This study tests a 45-60 minute online program called PATHS that teaches parents how to talk to their gay or bisexual sons about sexual health. About 393 parent-teen pairs join, with teens aged 14-19. The goal is to see if the program improves teens' condom use, PrEP awareness, a…

This study is testing a package of tools—training for healthcare workers, quality improvement methods, and a community of practice—to help clinics in Kenya offer HIV prevention pills (PrEP) to pregnant and postpartum women. The goal is to screen more women and start them on PrEP …

This study tests different text message reminders to see which ones work best at getting people to get their flu vaccine. About 100,000 patients who haven't had their flu shot yet will receive a reminder text before a doctor's visit. The goal is to find simple, effective ways to …

This trial tests a counseling program called Mpata Yathu ('Our Space') for adolescent girls and young women in Zambia who have experienced gender-based violence and may be living with or at risk for HIV. The program uses problem-solving therapy delivered by trained lay counselors…

This study tests whether a 10-week aerobic exercise program can improve physical function and reduce symptoms in adults still struggling after a COVID-19 infection. Participants will exercise three times a week and attend weekly education classes. The goal is to see if exercise h…

This study tests whether a structured cognitive training program, called Goal Management Training, can improve attention and executive function in adults who have persistent cognitive difficulties after a COVID-19 infection. Participants aged 18 to 65 with confirmed COVID-19 and …

This trial explores whether an affordable robot can help people with HIV who have had a stroke improve their arm and leg function. Participants will use the robot for rehabilitation exercises, and researchers will measure changes in movement, balance, and quality of life. The goa…

This study tests whether a treatment called IVIG (intravenous immunoglobulin) can help with ongoing neurological symptoms after COVID-19, like dizziness, trouble walking, or memory problems. About 45 adults who had COVID-19 at least 12 weeks ago will receive either IVIG or a plac…

This study tests whether a home-based physical activity program, using a Fitbit and coaching sessions, can help people with HIV who drink heavily increase their daily steps and reduce their alcohol intake. The trial involves 222 participants in the U.S. who are low-active and dri…

This study tests a telehealth program called MCBMAP that combines counseling and skills training to help people with HIV reduce chronic pain and unhealthy drinking. The program is delivered entirely through video calls and online materials, making it easier for participants to jo…

This study investigates whether a 16-week individually tailored exercise program, guided by a physiotherapist, can help adults with post-COVID POTS (postural orthostatic tachycardia syndrome) spend more time upright and feel better. Participants are randomly assigned to either th…

This Phase 2 trial tests whether the drug plitidepsin can improve overall health in 90 adults with moderate-to-severe long COVID symptoms. Participants receive either plitidepsin or a placebo intravenously over four 3-day cycles, with a 90-day follow-up. The study is double-blind…

This pilot study tests whether a 2-hour mindfulness training program, called Mindfulness-Oriented Recovery Enhancement (MORE), can help people living with both HIV and chronic pain. The study enrolls 40 adults with HIV who also have chronic pain and are willing to avoid new treat…

This study compares two types of talk therapy—Acceptance and Commitment Therapy (ACT) and Cognitive Behavioral Therapy (CBT)—for HIV/AIDS patients experiencing psychological distress. 72 adults on antiretroviral therapy will receive 8 weekly sessions of either therapy or standard…

This study planned to test a single IV dose of peramivir against placebo in teens and adults with uncomplicated flu. The goal was to see if it could shorten flu symptoms like cough, sore throat, and fever. However, the trial was withdrawn before any participants were enrolled, so…

This study tests ORCHID, an online skills-building program designed to improve mental health and reduce the risk of dropping out of care for aging women with HIV who also have HPV. The program includes 8 online sessions and optional meetings with a navigator. The study aims to se…

This study tests a personalized health pathway for 400 people with persistent COVID-19 symptoms lasting more than 12 weeks. Participants receive nurse follow-up and can choose workshops on disease management, anxiety, and fatigue. The goal is to see if this approach improves qual…

This small study is testing Corplex P, a device made from donated human umbilical cord tissue, to see if it helps heal wounds that won't close on their own, like diabetic foot ulcers. Ten people will receive the device as part of their standard wound care. Researchers will track …

This study tests a gentle electrical stimulation of the vagus nerve in the ear (taVNS) to reduce chronic joint pain in the legs caused by Chikungunya fever. 51 adults with pain lasting at least 3 months will be randomly assigned to taVNS, standard TENS, or a sham device. The goal…

This study compares total intravenous anesthesia (TIVA) to balanced anesthesia (using inhaled gas) in 60 diabetic patients undergoing video-assisted chest surgery. The goal is to see which method better controls blood sugar and reduces stress during surgery. Researchers will also…

This early-stage study tests different doses of an experimental flu medicine called TRX-100, taken alongside standard care, in 105 people with mild to moderate influenza. The main goals are to check safety and find the best dose. Researchers will also track how well it eases flu …

This study tests whether a mobile app-based nutritional program can help people living with HIV and fatty liver disease lose at least 5% of their body weight in 6 months. Participants are randomly assigned to use the app or receive standard lifestyle advice. The goal is to find a…

This study looks at whether joining community drum circles and mindfulness programs can help reduce anxiety and depression in Black and other marginalized groups who faced extra stress during COVID-19. About 90 people aged 16 and older will take part. Researchers will measure how…

This study tests whether a virtual, community-based program combining music and mindfulness can help reduce stress, anxiety, and depression in people of African descent. About 300 participants aged 16 and older will take part. The goal is to see if these culturally relevant activ…

This study tracks 80 adults with different smell disorders (like total loss, partial loss, or distorted smell) plus healthy volunteers over one year. Researchers use brain scans, smell tests, and questionnaires to see how the brain changes and how smell loss impacts mood and dail…

This study has two parts. First, researchers will use computer models to estimate whether giving the TAK-003 dengue vaccine to Thai children aged 9-14 or young adults aged 15-24 would be good value for money for the national immunization program. Second, they will survey Thai adu…

This study looks at whether eating a high-fiber diet (rich in fruits, vegetables, and whole grains) can change the bacteria in your gut and improve how well the flu vaccine works. Researchers will give 31 adults special meals and snacks before they get their flu shot. The main go…

This study follows 583 adults who recovered from COVID-19 or were close contacts. Researchers will track their health, mental well-being, and immune responses over 3 years to understand long-term effects and whether prior infection prevents reinfection. Participants undergo regul…

This study follows 121 adults who have been cured of chronic hepatitis C to understand why some still develop liver complications like scarring or cancer. Participants are monitored for up to 10 years with regular tests, scans, and occasional liver biopsies. The goal is to learn …

This study looks at how the RSV vaccine affects the immune system in adults aged 60 and older. Researchers will take blood samples before and after vaccination to find early signs of protection. The goal is to understand why some people respond better than others. 14 volunteers w…

This study investigates whether Zika and Tonate viruses can replicate in human placental tissue grown in the lab. Researchers will infect placental samples from early and full-term pregnancies and measure viral levels to compare how each virus behaves. The goal is to better under…

This study compares over 1,500 people living with HIV to a similar group from the general population to see if conditions like heart disease, COPD, and liver disease are more common or develop faster in those with HIV. Using detailed scans and tests, researchers will measure the …

This study looks at how often CD4 cell counts are measured when adults in Zambia begin or restart antiretroviral therapy (ART) after a long break. The goal is to see how many people have advanced HIV disease and whether low testing rates prevent proper care. Researchers will asse…

This study looks at how the immune system of kidney transplant patients responds to the shingles vaccine and to natural shingles infection. Researchers will track antibody and T-cell levels over time in patients who have had a transplant or are on the waiting list. The goal is to…

This study looks at how the immune system's T cells respond to two common herpesviruses—cytomegalovirus (CMV) and varicella-zoster virus (VZV)—in people who have had a liver transplant. Because transplant recipients take drugs that suppress their immune system to prevent organ re…

This study looks at whether the bacteria in your gut and what you eat can influence how well the flu vaccine works. Researchers will collect blood and stool samples from 74 adults before and after they get their flu shot. The goal is to find links between gut microbiome diversity…

This observational study will use cardiac MRI to examine how stimulant and polysubstance use affects heart scarring and inflammation in 400 people with and without HIV. Participants will have one study visit for a detailed heart scan. The goal is to better understand the combined…

This study looks back at medical records of 50 adults who had a shingles virus infection in their brain or spinal cord. Researchers want to find out what makes some people more likely to get these serious infections and what leads to long-term problems like memory loss or seizure…

This study looks at liver health in transgender people who are on gender-affirming hormone therapy (GAHT). It compares those who have been on hormones for more than six months with those on them for less time. Researchers will measure liver function through blood tests and a spec…

This study looks at HIV-infected adults who have been on antiretroviral therapy for a long time and have very low virus levels. Researchers want to see if the virus stays stable or changes over time. Participants visit the clinic every six months for blood tests and a special whi…

This study follows nearly 1,900 cancer patients who tested positive for COVID-19. Researchers collect blood samples, medical records, and images to see how the virus impacts their cancer treatment and overall health. The goal is to learn which factors make COVID-19 more severe in…

This study asks over 1,600 African American women aged 23-35 about their experiences during the COVID-19 pandemic. Participants fill out a short online or paper survey covering infection, vaccination, childcare, job loss, and emotional stress. The goal is to understand how the pa…

This study is developing an artificial intelligence (AI) system to analyze kidney biopsy images from transplant patients. The goal is to see if AI can accurately tell apart different types of rejection, measure how much damage the kidney has, and predict if rejection might come b…

This study follows 75 adults aged 65 and older over three to four flu seasons to learn why the flu vaccine becomes less effective as people age. Participants will receive a different FDA-approved flu vaccine each year, and researchers will collect blood, nasal swab, and stool sam…

This study looks at how HIV infection and aging impact the body's response to the Prevnar 13 vaccine, which protects against pneumococcal bacteria. Researchers will measure antibody levels in the lungs, nasal passages, and blood of participants aged 21-45 or 55-75, comparing thos…

This study is checking how long the HPV vaccine protects women who received one, two, or three doses. Researchers are following about 946 women from an earlier trial in Costa Rica for up to 20 years after their shots. By testing blood samples, they hope to learn if one dose might…

This study examines a program in two Boston-area jails designed to make HIV testing and treatment easier for people with opioid use disorder. Researchers will follow about 59 participants who are leaving jail within a month to see if they use HIV services, get tested, or take PrE…

This study follows people treated for anal cancer with radiotherapy to see how their sexual quality of life changes over time. Participants complete questionnaires during treatment, three months later, and two years after diagnosis. The goal is to understand the long-term impact …

This large observational study looks at whether getting an mRNA COVID-19 vaccine shortly before or after starting immune checkpoint inhibitor therapy is linked to longer survival in adults with cancer. Using data from nearly 100,000 patients in France, researchers are comparing t…

This study looks at specific immune cells called myeloid cells in people who were hospitalized with COVID-19 pneumonia. Researchers want to understand how these cells respond to the virus and whether certain cell types can predict how sick a person gets. The goal is to find new w…

This study follows 200 pregnant women in Brazil who received the chikungunya vaccine (VLA1553) during pregnancy or shortly before. Researchers will track pregnancy and infant health up to 12 weeks after birth, comparing them to a similar group of women who got routine vaccines. T…

This study looks at blood samples from 400 people with and without HIV to understand how aging and HIV infection change the body's immune response to the flu vaccine. Researchers will measure antibody levels and immune cell types to see who responds well to the vaccine and who do…

This study follows 2,002 people at high risk for liver cancer to find better ways to detect it early. Researchers are testing a panel of blood-based miRNA markers, gut microbiome changes, and MRI-based AI algorithms to predict who develops the disease. The goal is to improve on c…

This study examines whether senescent cells—sometimes called 'zombie cells' that accumulate with age—contribute to Long-Hauler Syndrome, a condition where COVID-19 symptoms persist long after the initial infection. Researchers at Mayo Clinic will compare markers of cellular aging…

This observational study follows people who have been exposed to Andes virus, a hantavirus that can cause severe respiratory illness. Researchers collect blood samples and monitor symptoms at key points from exposure through infection and recovery. The goal is to understand how t…

This study looks at how harm reduction care (a non-judgmental approach to drug use) in HIV clinics affects stigma and health outcomes for people living with HIV who use drugs. Researchers will survey 768 patients and providers to understand how attitudes and care practices influe…

This study looks at whether text messages can encourage teenagers (ages 13-19) to get tested for HIV. About 360 teens who have had sex and are HIV-negative or don't know their status will receive either helpful texts or general information. Researchers will check if more teens ge…

This long-term study follows 7,500 adults with HIV who are taking antiretroviral therapy. Researchers track their health over time to understand complications, side effects, and how the infection evolves. The goal is to improve monitoring and care for people living with HIV.

This study explores how low-level laser therapy (LLLT) affects skin stiffness and thickness. Researchers will use a special imaging system to track tiny skin movements in 20 healthy adults. The goal is to find the best laser settings for future wound healing treatments.

This study follows people with chronic hepatitis B or C for up to 10 years to track how the disease changes over time. A smaller group with hepatitis B will receive the drug tenofovir alafenamide for 2 years to see if it reduces liver stiffness. Participants provide blood samples…

This study tests whether a virtual training and peer-mentoring program called Project ECHO can help healthcare providers in Ethiopia improve cervical cancer screening and treatment for women living with HIV. The program focuses on using HPV self-sampling, a simpler screening meth…

This study tests a new AI-powered toolkit designed to help public health officials at local CDC offices respond more quickly to emerging infectious diseases such as COVID-19, mpox, influenza, and dengue. The toolkit combines data analysis, risk assessment, decision support, and e…

This study investigates whether hospital caregivers working in COVID-19 patient areas are more likely to get infected than those in non-COVID areas. Researchers will take blood samples from participants on day 0, day 15, and day 30 to check for antibodies that signal past infecti…

This study tests whether training primary care providers on how to talk to patients about vaccines can increase flu and COVID-19 vaccination rates. Over 24,500 patients and their doctors at multiple clinics will take part. Doctors in some clinics will receive special communicatio…

This study looks at how the immune system of patients in the intensive care unit (ICU) responds to severe infections caused by viruses or bacteria. Researchers will take extra blood samples from 38 adults to analyze immature granulocytes, a type of immune cell. The goal is to see…

This pilot study tracks 24 adults who were hospitalized for COVID-19. Researchers use diaphragm ultrasound to see how well the main breathing muscle works 3 and 6 months after leaving the hospital. The goal is to describe long-term breathing changes, not to test a treatment.

This study tracks 56 follicular lymphoma patients to see how long their COVID-19 and other vaccine immunity lasts while they receive chemotherapy and maintenance therapy. Researchers will collect blood samples at several time points to measure immune responses. The goal is to und…

This study looks at how chronic hepatitis B virus (HBV) infection affects natural killer (NK) cells, which are key immune cells that fight infections. Researchers will collect blood samples from 80 people with HBV and compare them to healthy donors. The goal is to understand why …

This study follows about 360 people with chronic hepatitis B who had a good response to the experimental drug bepirovirsen in earlier trials. No new drug is given; researchers simply monitor whether the response lasts over time. Participants may or may not continue standard antiv…

This study looks at whether a rapid HIV antibody test can detect when the virus rebounds in people taking antiretroviral therapy (ART). Researchers will analyze stored blood samples from 6100 HIV-positive individuals in the US and sub-Saharan Africa. They will compare antibody le…

This study aimed to see if the antibiotic doxycycline could protect people from severe COVID-19. Researchers planned to analyze health records of patients who took doxycycline for acne during the pandemic. However, the study was withdrawn before enrolling any participants, so no …

This study looks at HIV patients over 40 (or those on HIV therapy for over 10 years) who switched to either a three-drug or a two-drug antiretroviral regimen. Researchers will measure markers of inflammation in the blood and track how many patients develop other health conditions…

This study tests a new digital tool called INCLUDE, designed to help clinics in Nepal identify and reduce stigma faced by people living with HIV. The tool includes a stigma assessment, a dashboard linking stigma to care data, and a library of stigma-reduction activities. Research…

This study was designed to see if the drug raltegravir could reduce hidden HIV in immune cells (lymphocytes and monocytes) in people with HIV who already had undetectable virus levels. It planned to enroll adults aged 18-60 with well-controlled HIV. However, the study was withdra…

This study uses a special bronchoscopy technique called narrow band imaging to look at blood vessel patterns in the airways of people with COVID-19. Researchers will compare images from three groups: patients with COVID-19, patients with other lung infections, and patients with l…

This study looks at whether using a UV light filter on private well water can lower the chance of stomach infections in children under 5. About 900 families in Pennsylvania and New Jersey will either get a working UV filter or a fake one. Researchers will track how often kids get…

This study looks at how COVID-19 impacts people with hepatocellular carcinoma, a type of liver cancer. Researchers will track infection rates and see how the virus affects liver function, cancer treatment, and overall health. About 23 participants from a French national liver can…

This study follows 98 elderly residents in French nursing homes to see how long their COVID-19 antibodies last. Researchers will also measure immune markers linked to aging to understand why some older people have weaker immune responses. The goal is to learn how to better protec…

This study looks at 300 patients with advanced liver scarring (cirrhosis) caused by hepatitis B or alcohol who have shown signs of getting better. Researchers want to understand what predicts this improvement and how long it lasts. The goal is to create clearer guidelines for whe…

This study checks if some people with HIV might be cured. Ten patients who have had undetectable HIV for at least 6 months will stop their antiretroviral therapy under close medical supervision. Doctors will watch for the virus to come back. The goal is to see if the infection is…

This study follows 300 adults in the Democratic Republic of the Congo who received either the MVA-BN or LC16m8 mpox vaccine as part of a national campaign. Researchers collect blood samples at several time points to measure how well the vaccines trigger and maintain antibodies ag…

This study tracked 81 critically ill COVID-19 patients admitted to a French intensive care unit. Researchers compared factors like age, medical history, and treatments to understand who becomes severely ill. The goal is to improve care for future patients.

This study planned to test a program called Lafiya (meaning 'Wellness') designed to reduce stigma and discrimination faced by young gay, bisexual, and other men who have sex with men living in Ghanaian slums. The goal was to see if the program could increase HIV testing, use of P…

This study follows about 100 healthy adults aged 18 to 29 who have had Epstein-Barr virus (EBV) in the past. Researchers collect blood and saliva samples over 6 to 12 months to see when the virus becomes active again and how the immune system responds. No treatments or vaccines a…

This study examines whether the COVID-19 pandemic increased frailty and muscle loss (sarcopenia) in people waiting for a liver transplant. Researchers will compare data from 208 patients assessed before and during the pandemic. The goal is to understand how the pandemic affected …

This study follows 300 families with children aged 2 to 6 years over three years to understand how ongoing stress might lead to weight gain. Researchers will measure stress hormones and behaviors to see what role they play. The goal is to learn, not to test a treatment, so no new…

This study planned to test telemonitoring for older adults (75+) in nursing homes with confirmed or probable COVID-19. The goal was to see if remote monitoring could improve healthcare management and reduce deaths within 30 days. However, the study was withdrawn before enrolling …

This study is testing whether a computer can automatically measure how much lung tissue is damaged in patients with severe breathing problems from COVID-19 or after surgery. Researchers will compare the computer's lung measurements to standard severity scores in 500 patients. The…

This study follows 1,520 mostly Black and Latino individuals and their households who had COVID-19 in New York City. Researchers will use surveys and medical records to track long-term health problems, and for 500 hospitalized patients, they will collect nasal swabs and blood sam…

This study tests a program where veteran peer workers provide education, healthcare navigation, and social support to 150 veterans with opioid use disorder who are not connected to VA healthcare. The goal is to reduce risky behaviors related to overdose and HIV/HCV infection. Res…

This study adapts an existing stigma-reduction program specifically for pregnant and postpartum women living with HIV in Ghana. Researchers will interview 30 women and 20 providers to understand their experiences, then work with stakeholders to tailor the program. Finally, 90 pre…

This pilot study aimed to see if a home viral load test (TASSO device) is accurate and easy to use for people starting HIV treatment or trying to lower a high viral load. Participants would have collected samples at home and in the clinic. However, the study was withdrawn before …

This study looks at why people with HIV and certain cancers caused by KSHV (Kaposi sarcoma herpesvirus) may lose bone density faster. Researchers will review past CT scans and health records from 40 adults treated at the NIH between 2005 and 2020. The goal is to find factors link…

This study tracks 2,500 people with HIV in Brazil who are taking a common first-line treatment (tenofovir/lamivudine and dolutegravir) to see why some develop drug resistance. Researchers will test blood samples from those whose viral load remains detectable to look for resistanc…

This study aimed to see if personalized computer-based brain exercises could improve thinking skills in adults with HIV who have mild memory or attention problems. Researchers planned to enroll 120 people aged 40 and older, giving half of them training focused on their weakest me…

This study examines tissue from people who died after a COVID-19 infection to understand why some develop Long COVID. Researchers will look for signs of inflammation, scarring, blood clots, and tissue death in the body. The goal is to learn more about the long-term effects of the…

This study follows 298 older adults with HIV in Zambia to compare brain health between those who have had HIV for a long time (7+ years) and those with a shorter infection (1-2 years). Researchers will track memory, thinking, mental health, frailty, and nerve health over 6 years.…

This study follows 90 people who survived severe COVID-19 pneumonia and needed intensive care. Researchers will check their physical health, mental health, and quality of life at 3 months, 6 months, 1 year, and 5 years after leaving the ICU. The goal is to better understand the l…

This study collects blood samples and medical information from 201 adults diagnosed with COVID-19. The goal is to create a resource that researchers can use to study the virus and improve understanding of the disease. Participants provide samples and allow their health data to be…

This study tracks side effects and severe dengue cases in 2,000 people who already got the QDENGA dengue vaccine in Malaysia. No new vaccine is given—researchers simply collect health data from participants. The goal is to understand real-world safety and whether vaccinated peopl…

This study was designed to track how many healthcare workers at Lille University Hospital caught COVID-19 over 10 weeks. Researchers planned to test 100 workers every two weeks using nasal swabs and blood tests, along with questionnaires about their work and home exposures. The g…

This study aimed to collect medical information from people who developed unusual blood clots within four weeks of receiving a COVID-19 vaccine. The goal was to better understand any possible link between the vaccine and these rare events. However, the study was withdrawn before …

This study was designed to track how COVID-19 infection might worsen the condition of people with inherited metabolic diseases (IMD). Researchers planned to collect information from French patients with IMD who had or had COVID-19 to see how often their metabolic disease got wors…

This study follows 60 healthy Thai children and teens who received a single dose of a live-attenuated hepatitis A vaccine about a year ago. Researchers want to see how many still have protective antibodies and at what levels. The goal is to understand long-term immunity and help …

This study was designed to compare how often patients with severe COVID-19 developed lung infections while on a ventilator during the first and second waves of the pandemic. It was an observational study that would have looked back at patient records across European ICUs. However…

This study is creating a biobank of blood samples and health data from 100 people who have recovered from COVID-19. Researchers will use this information to better understand recovery and long-term effects. No new treatments are being tested; the goal is to provide resources for …

This study follows 300 pregnant women who had respiratory infections to see if RSV can pass from mother to baby before birth. Researchers will test blood from mothers and umbilical cords for RSV antibodies and viruses. Babies will be tracked for up to 4 years to monitor respirato…

This study is a medical registry that follows over 21,000 adults hospitalized in 2021 at a Russian hospital. Researchers will analyze their health records, including chronic conditions, COVID-19 history, and outcomes like heart attacks or strokes, over five years. The goal is to …

This study looks at heart problems in adults hospitalized with COVID-19. Researchers will review medical records to see how often heart issues like heart failure, inflammation, or arrhythmias occur. No new treatments are tested; the goal is to learn more about the virus's effects…

This study aims to understand why people who use drugs in Baltimore may be hesitant to get a COVID-19 vaccine. Researchers will interview 40 participants about their views and barriers to vaccination. The goal is to improve vaccine access and acceptance in this community.

This study looks at how well the HPV vaccine works in women living with HIV and whether self-collected HPV tests can improve cervical cancer screening. About 650 women will use a self-swab kit at home or in the clinic. Those with positive results will get follow-up exams. The goa…

This pilot study is testing whether two natural dietary supplements—taxifolin (found in apples and onions) and ergothioneine (found in mushrooms)—can improve immune function in healthy adults aged 50 to 65. Researchers will measure how well immune cells engulf and destroy threats…

This study was designed to collect information on pregnancy and baby outcomes in women who received the PREHEVBRIO hepatitis B vaccine around the time of conception or during pregnancy. The goal was to watch for any safety concerns, such as miscarriage or birth defects. However, …

This study looks at how the Shingrix vaccine, which protects against shingles, affects immune cells in the skin and blood. Researchers will give the vaccine to 50 healthy adults in two age groups: 30-40 years old and 70 years or older. They will measure specific antibodies and T-…

This study follows up on 220 children who received the EV71 vaccine (Envacgen®) or a placebo about 6 years ago. Researchers will measure antibody levels in the blood to see if protection against enterovirus 71, which causes hand-foot-mouth disease, has lasted. The goal is to unde…

This study planned to see if faster testing and treatment for hepatitis C could be given to inmates right when they enter prison. The goal was to start medication sooner to reduce the spread of the virus. However, the study was withdrawn and no one took part.

This study is testing whether a smaller, one-fifth dose of the HPV vaccine, given into the skin instead of the muscle, can still trigger a good immune response in adults aged 27 to 45. Researchers are comparing two types of HPV vaccines in 40 volunteers in Seattle. The goal is to…

This study looks at why more than half of people who recover from COVID-19 still feel very tired. Researchers are measuring fatigue in 398 adults using questionnaires and muscle tests. The goal is to better understand who is most affected and how severe the fatigue can be.

This study looks at 40 people with HIV to see if a common drug, tenofovir, causes more immune system activation and helps the virus hide better in the body. Participants are already on stable HIV treatment and will provide blood and gut samples. The goal is to find ways to reduce…

This study was designed to test a new system that uses tiny silica particles on HIV medication (Biktarvy) and a smartphone app to help people track whether they have taken their pills. The goal was to see if the system is easy to use and accurate over 90 days. However, the study …

This study uses special MRI scans with inhaled gases to see how lungs work in people with asthma, COPD, or COVID-19. Researchers will follow up to 160 participants over several years to track changes in lung function. The goal is to better understand why some patients struggle wi…

This study aims to create a test that predicts how hospitalized COVID-19 patients will fare in the short and long term (up to one year). Researchers will enroll 600 adults from hospitals and Veterans' facilities, using medical records and lab data to forecast risks like frailty, …

This study looks at 57 people who received a COVID-19 vaccine to understand why some develop heart injury or myocarditis. Researchers use advanced heart scans (PET/MRI) and blood tests to find early warning signs. The goal is to better identify those at risk and improve follow-up…

This study aims to improve how we predict and prevent dengue outbreaks by looking at how people move around the city. Researchers in Cuba will collect information from 810 residents about their daily travel, along with mosquito and weather data. The goal is to build better comput…

This study tests a program called LIFT to help people who inject drugs in Kyrgyzstan face less stigma and lower their risk of HIV. About 80 participants will join peer-led group sessions to build support and learn how to use HIV prevention services. The goal is to see if the prog…

This study tests whether a WhatsApp chatbot can improve HIV knowledge in 314 adults recently diagnosed with HIV in Nigeria. Participants use the chatbot for information, reminders, and questions, while a control group receives standard care. The study also looks at effects on res…

This study compares new, less invasive ways to collect samples for respiratory virus testing—like a nasal wash or saliva—against the standard deep nose swab. Researchers want to see if these gentler methods work just as well and cause less pain. About 1,000 adults in the emergenc…

This study tracks over 4,200 people in South Korea who received a SPIKEVAX COVID-19 vaccine to see if any side effects occur over time. Participants are aged 12 or older depending on the vaccine version. The goal is to gather real-world safety data, not to test if the vaccine wor…

This study reviews the records of up to 800,000 people who received the TAK-003 (Qdenga) dengue vaccine at VNVC centers in Vietnam between September 2024 and September 2025. Researchers will look at age, sex, location, and vaccination history to see who got the vaccine and how. N…

This study looks at medical records and follow-up data from 10 people living with HIV in four cities in southern Sichuan, China. The goal is to see how well HIV treatment is working by checking virus levels after 12 months. This is an observational study that does not test a new …

This study tests a program called ENHANCE-TTS that trains pharmacists at HIV clinics to provide tobacco treatment. Researchers will see if the program helps pharmacists offer more smoking cessation services and if it helps patients quit. About 172 people from six clinics will tak…

This study looks at whether taking the smallpox drug TPOXX changes how well the JYNNEOS vaccine works. About 100 healthy adults aged 18 to 42 will get two doses of the vaccine and either TPOXX or a placebo for 28 days. Researchers will check for side effects and measure immune re…

This study looks at whether temporarily reducing immunosuppressive medication can help kidney transplant recipients mount a stronger immune response to a third dose of the COVID-19 mRNA vaccine. Fourteen participants with low or no antibodies will have their antimetabolite dose l…

This study looks at organ changes in people recovering from COVID-19, comparing those with and without type 2 diabetes. Researchers will use scans to measure organ size and volume. The goal is to learn more about how COVID-19 affects the body long-term in diabetic patients.

This study follows 1,200 children and young adults who had MIS-C, a rare inflammatory condition linked to COVID-19. Researchers will track heart function and other health outcomes over time using echocardiograms and medical records. The goal is to understand the long-term effects…

This study compares two flu vaccines: a nasal spray and a standard shot. Researchers will measure immune responses in the nose and blood of 60 healthy adults aged 18-49. The goal is to understand how each vaccine triggers protection and find ways to improve future flu vaccines.

This study reviews medical records of 50 adults who received a simultaneous liver-kidney transplant between 2015 and 2020. Researchers want to find out how many of them developed BK virus in their blood, which can harm the new kidney. The goal is to better understand this risk in…

This study investigates why some people develop chronic sinusitis with nasal polyps, focusing on how epigenetic changes and viruses might trigger the disease. Researchers will analyze tissue samples from 60 participants, including patients with active disease, those in remission,…

This study collected data from 7,500 adults admitted to Swedish ICUs with COVID-19 during the first two years of the pandemic. Researchers looked at patient characteristics, treatments, and survival rates at 30 days and one year. The goal is to understand the disease's impact and…

This study tests whether changing how people interact in online social networks can improve their attitudes and intentions toward COVID-19 vaccination. Over 4,400 adults in the US with internet access will be placed into different online groups and answer health questions while s…

This study was designed to investigate whether new skin lesions on fingers or toes were linked to COVID-19. It planned to test adults with these lesions for the virus using PCR and antibody tests. However, the study was withdrawn before enrolling any participants, so no results a…

This study was designed to learn how the protein calprotectin might change blood stem cells in people with severe COVID-19 or certain blood cancers. Researchers planned to compare cells from patients and healthy donors in the lab. However, the study was withdrawn before any parti…

This study tests a new program to make it easier for people living with HIV to get screened for substance use disorders. The program uses online patient portals and in-clinic tools to find those who need help and connect them to treatment. Researchers will track how many people g…

This study looks at how adults feel after getting either the Novavax or the mRNA COVID-19 booster vaccine. Researchers will track symptoms like fever, fatigue, and headache for a week after vaccination. The goal is to help people understand which vaccine might cause fewer reactio…

This study looks at whether people with chronic hepatitis delta who have been on bulevirtide for at least 48 weeks and have very low virus levels can safely stop treatment. Researchers will monitor 20 participants for 48 weeks after stopping to find biological markers that predic…

This study surveys over 1,200 cancer patients who previously took part in behavioral trials to learn how the COVID-19 pandemic impacted their quality of life, mental health, and daily routines. Participants fill out questionnaires about stress, sleep, diet, exercise, and social s…

This small, early study is testing whether spironolactone, a drug already approved for high blood pressure, can reduce the hidden HIV reservoir in people on effective HIV treatment. Researchers will give the drug to 12 adults (both with and without HIV) to see how it affects a ke…

This study explores whether transgender individuals can collect their own samples for HPV testing at home or in a clinic. Researchers want to learn how common high-risk HPV is in this group and whether self-sampling is acceptable and effective. About 100 transgender men and women…

This study aimed to see if adding patient questionnaires, staff training, and telemedicine could improve mental health and substance use disorder care for people living with HIV. It was planned for five clinics in Alabama, but the trial was withdrawn before enrolling any particip…

This study explores whether listening to recordings of communal drumming, combined with mindfulness, can reduce stress and improve mental health in People of African Descent. Researchers will measure feelings of connection and synchrony in 30 adults. The goal is to see if cultura…

This study follows 54 people with chronic hepatitis B who stop taking their antiviral medication after at least three years. Researchers will closely monitor their immune system and virus levels to see what happens during a flare. The goal is to learn whether a controlled flare m…

This study follows 127 people with HIV-related Kaposi sarcoma in Malawi and South Africa who are receiving standard chemotherapy (paclitaxel or bleomycin plus vincristine). Researchers want to understand why some patients respond better than others, looking at factors like gender…

This study looks at how doctors and nurses in radiation oncology used telehealth instead of in-person visits during the COVID-19 pandemic. Researchers will survey 1,000 healthcare providers at Duke Cancer Center to understand their experiences and challenges. They will also track…

This study aimed to understand how undergraduate students and teaching staff at Misr International University in Egypt felt about online learning during the COVID-19 pandemic. Over 9,000 participants were asked about their satisfaction and knowledge through questionnaires. The go…

This study follows 200 ICU patients with severe COVID-19 to see how often they develop lung scarring (pulmonary fibrosis). Researchers will use blood tests and CT scans to find early signs of scarring and identify risk factors. The goal is to understand how scarring affects recov…

This study looks at how often fatty liver disease occurs in people living with HIV. Researchers will measure liver fat in 1,250 adults with HIV who are on stable treatment. The goal is to understand the true scale of this liver condition in this group, which has been largely over…

This study gives 30 healthy adults a single dose of the approved Ebola vaccine (Ervebo) and tracks their immune responses over time using blood, lymph node, and bone marrow samples. The goal is to understand how long the body 'remembers' the vaccine, which could guide future boos…

This study looks back at 4000 patients who had a suspected viral infection of the brain or spinal cord. Researchers will analyze which viruses were found and how the illness progressed in different groups, including children, adults, and people with weakened immune systems. The g…

This study looks at how the immune system responds to chronic hepatitis B infection. Researchers will analyze blood samples from 40 adults already enrolled in larger treatment trials. The goal is to understand why some people respond better to therapy and how the disease progress…

This study follows 500 adults who had COVID-19 to see what health problems they face months later. Researchers will track symptoms like tiredness, breathing trouble, and lung damage. The goal is to learn how common these long-term issues are and who is most likely to have them.