Post-COVID-19 disorder

This study tests whether intravenous immunoglobulin (IVIG) can reduce symptoms of autonomic dysfunction—such as dizziness, rapid heartbeat, and fatigue—in people with long COVID. Two hundred participants will receive either IVIG or a placebo (saline) for 9 months, plus coordinate…

This Phase 2a study tests whether larazotide, a drug that tightens the gut lining, can reduce long COVID symptoms in people aged 7 to 50. Participants take the drug or a placebo four times daily for 21 days. The goal is to see if it safely improves symptoms like fatigue, brain fo…

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 study planned to test a blood filter device called Seraph 100 in 100 people with long COVID. The device was meant to remove harmful substances from the blood during two sessions on consecutive days. However, the study was withdrawn before enrolling any participants, so no re…

This study tests whether the antiviral drug ensitrelvir can help people with Long COVID by clearing leftover virus from the body. About 40 adults with persistent symptoms will receive either the drug or a placebo. The main goal is to see if the drug improves physical health and r…

This study tests whether the drug sirolimus can prevent lung scarring (fibrosis) in people hospitalized with severe COVID-19 pneumonia. About 60 adults who need extra oxygen will receive sirolimus to see if it reduces the chance of long-term lung damage. The goal is to find a way…

The RECLAIM trial is testing whether two inexpensive, widely available drugs—metformin (a diabetes medication) and colchicine (a gout medication)—can improve quality of life for people with long COVID. The study will enroll 1,250 adults in the Netherlands who have had persistent …

This study tests whether a combination of anti-inflammatory and heart-protecting drugs can reduce symptoms and heart damage in people with Long COVID who have ongoing heart inflammation. About 279 adults with heart inflammation seen on MRI will receive either the drug combo or a …

This study provides early access to an experimental stem cell treatment called remestemcel-L for children aged 2 months to 17 years with MIS-C, a severe inflammatory condition linked to COVID-19. The treatment aims to calm the immune system and reduce inflammation. Participants r…

This study tests whether a single dose of the monoclonal antibody AER002 can safely improve physical health in adults with Long COVID. The idea is that lingering virus or spike protein may cause ongoing symptoms, and the antibody might clear it. 36 participants will receive eithe…

This study tested an experimental stem cell treatment (HB-adMSCs) added to standard care for people aged 18-65 with Post-COVID-19 syndrome. Participants had not fully recovered weeks or months after a positive COVID-19 test. The goal was to see if the treatment is safe and helps …

This study looks at people with Long COVID who have new chest pain but no blocked arteries. It tests whether a special heart function test can guide treatment to improve symptoms and quality of life. 108 participants will be randomly assigned to either treatment guided by the tes…

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 tests a new, non-invasive diagnostic method for long COVID. Researchers will use a single-session bioelectrical assessment to detect patterns linked to viral persistence in 50 adults with long COVID. The goal is to see if this approach can reliably identify ongoing vir…

This study uses advanced PET and MRI scans to look for brain inflammation and blood vessel problems in 30 people with long COVID who have brain fog, anxiety, or depression. The goal is to develop better ways to diagnose these lingering symptoms, not to test a treatment. Participa…

This phase 3 trial tests whether taking Paxlovid (nirmatrelvir/ritonavir) during acute COVID-19 can prevent long COVID. About 2,000 adults aged 18-64 with a recent positive test and symptoms will receive either Paxlovid or a placebo for 5 days. Researchers will track long COVID s…

This study tests a type of talking therapy called Balance ACT for people with long COVID. The therapy uses mindfulness and goal-setting to help manage symptoms like fatigue and sleep problems. 196 adults with long COVID will either get the therapy or a self-help leaflet. The main…

This trial tests whether training general practitioners to better manage persistent symptoms after COVID-19 can improve patients' quality of life. Adults with at least two long COVID symptoms (like fatigue, breathlessness, or brain fog) lasting over two months will be enrolled. T…

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 Mayo Clinic study is testing whether eating fermented foods like yogurt, kimchi, and sauerkraut can improve gut microbiome diversity in people with long COVID. Forty adults with long COVID symptoms will either add fermented foods to their diet or continue as usual. Researche…

This study tests a drug called bezisterim (NE3107) in 203 adults with long COVID who struggle with brain fog and fatigue. Participants take either the drug or a placebo twice daily for 84 days, and researchers measure changes in thinking, memory, and energy levels. The goal is to…

This study is testing a short, online mindfulness program for people still suffering from long COVID symptoms like brain fog, fatigue, and pain. The program includes four training sessions and daily 'microdoses' of mindfulness activities. Researchers want to see if this approach …

This study is testing whether computerized brain-training exercises can help older adults (age 60+) who have Long COVID with thinking problems, mood, and daily life. Researchers will check if the program is easy to use and if people stick with it. The goal is to gather early evid…

This study looks at whether low-dose rapamycin can reduce symptoms and improve quality of life in people with ME/CFS or Long-COVID. About 150 participants will take the drug as prescribed by their doctor and complete surveys and blood tests over time. The goal is to see if the dr…

This pilot study tests a compounded DMSO-based ear drops and cream for adults with bothersome tinnitus linked to long-COVID or post-COVID-19 vaccine injury. Twenty participants who have not improved with at least two prior treatments will use the ear drops every 4 days and apply …

This study tests whether a personalized cardiopulmonary rehabilitation program can help people with Long COVID who struggle with exercise intolerance and post-exertional malaise. About 360 participants will do 2-3 supervised sessions per week for 12 weeks, including aerobic exerc…

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 study tested whether a noninvasive brain stimulation technique called tDCS, done at home, could improve thinking problems like brain fog in 31 people with long COVID. Participants used a headset that delivered mild electrical currents to the brain for 4 weeks. The goal was t…

This study compares a 12-week tele-rehabilitation program using mindful and conscious movement (like adapted yoga and breathing exercises) to conventional low-intensity exercise and usual care for people with chronic fatigue syndrome or post-COVID syndrome. The goal is to see if …

This phase 2a trial tests whether the drug abrocitinib can reduce severe fatigue in adults with Long COVID. About 46 people who were never hospitalized for COVID but now have long-term fatigue will take either 50 mg, 100 mg of abrocitinib, or a placebo daily for 12 weeks. Researc…

This study looks at whether online psychotherapy, a physical activity program, or a combination of both can reduce fatigue in people with Post-COVID syndrome. 195 adults with fatigue will be assigned to one of three groups for 3 months of treatment. The goal is to find which appr…

This pilot study tests whether a telehealth program called HOBSCOTCH-PACS can help people with long COVID manage memory and thinking problems. Ten participants will attend nine virtual coaching sessions and complete questionnaires about their quality of life and cognitive functio…

This study looks at whether a program called LearningRx can improve thinking skills, daily life function, and work confidence in adults who have had a traumatic or acquired brain injury, including from COVID-19. About 30 participants will complete cognitive exercises and be teste…

This study tests whether the drug vericiguat, already approved for heart failure, can improve physical function and reduce fatigue in people aged 18-50 with post-COVID syndrome. About 104 participants will receive either vericiguat or a placebo for 10 weeks, then be followed for …

This small pilot study tests whether repetitive transcranial magnetic stimulation (rTMS) can ease fatigue, brain fog, and other neuropsychiatric symptoms in people with Long-COVID. Ten participants will first receive either active or sham rTMS for 15 sessions, then all will get a…

This study tests whether tirzepatide (Zepbound), a drug used for diabetes and weight loss, can reduce Long COVID symptoms like fatigue. About 1000 adults with Long COVID will take either the drug or a placebo for 12 months, and all tasks are done remotely. The main goal is to see…

This phase 2 trial tests whether taking a probiotic pill daily for four months can reduce Long COVID symptoms and improve quality of life. Researchers will enroll 180 adults with persistent Long COVID symptoms. Half will get the probiotic, half a placebo, and the study will compa…

This study collects and analyzes blood, DNA, and tissue samples from 315 adults with pulmonary fibrosis, their relatives, and healthy volunteers. The goal is to learn more about the disease's causes, not to test a new treatment. Researchers hope the findings will guide future the…

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 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 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 pilot study looks at whether light, self-paced swimming is a tolerable activity for people with ME/CFS and related conditions like Long COVID and fibromyalgia. Participants will swim for 15-30 minutes at their own pace and track symptoms and heart rate variability using an a…

This pilot study tests whether liraglutide (Saxenda), a weight-loss drug, can raise levels of a brain-protective protein called BDNF in 30 people with multiple sclerosis, long-COVID, or leukemia who are overweight and have memory or concentration problems. Participants will injec…

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 looks at why some people have Long COVID symptoms like fatigue and brain fog. It also tests if a 12-week smartphone app with breathing exercises, relaxation, and energy management can help. About 120 adults with Long COVID are taking part to share health data and try t…

This study looks at what happens in the body to cause POTS and dysautonomia after viral infections, including COVID-19. About 100 women will give a blood sample and share medical records. Researchers will study immune system markers to find clues that could lead to better diagnos…

This large observational study is following about 15,000 children and young adults (ages 0-25) across the U.S. to learn more about long COVID, also called PASC. Researchers will track symptoms, infections, and health over time using surveys and medical records. The goal is to ide…

This study is testing whether rehabilitation that combines physical and mental exercises (called dual-task training) can help people with stroke, multiple sclerosis, Parkinson's disease, or long COVID. Researchers will design and try out different dual-task strategies in small gr…

This study is for people with Long COVID, Lyme disease, or ME/CFS (chronic fatigue syndrome). Researchers want to see if a special blood test can find problems with T-cells, which are part of the immune system. Participants will give blood samples and fill out symptom questionnai…

This study tests a guideline designed to help doctors safely reduce or stop overactive bladder medications in people aged 65 and older. Researchers will compare how many patients continue these drugs after six months between those whose doctors follow the guideline and those who …

This small pilot study looks at how the gut microbiome might be linked to lingering symptoms after severe COVID-19. Researchers will measure changes in gut bacteria, immune markers, and lung function in 20 adults who had severe COVID in the past year. The goal is to find better w…

This study looks at whether problems with blood vessels in the lungs cause ongoing shortness of breath in people who had COVID-19. Researchers will use heart and lung tests, including exercise and imaging, in 200 adults. The goal is to better understand why some people feel breat…

This study looks at why people with post-COVID syndrome have trouble exercising and feel very tired. Researchers will compare 62 post-COVID patients with healthy volunteers, monitoring their responses to different types of exercise like high-intensity intervals, moderate walking,…