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77 Covid Trials

Power is an online platform that helps thousands of Covid patients discover FDA-reviewed trials every day. Every trial we feature meets safety and ethical standards, giving patients an easy way to discover promising new treatments in the research stage.

This study is investigating the effects of using an Osteopathic Manipulative Therapy (OMT) treatment protocol that was shown to statistically improve smell in individuals suffering from Long-COVID olfactory (smell) dysfunction in a small single-blinded pilot trial conducted during 2021. The questions this study is trying to answer are: 1. Does this OMT protocol improve other non-smell related Long-COVID symptoms 2. Do 2 OMT treatments improve Long-COVID symptoms more than 1 OMT treatment Participants will: 1. Week 1: Take an digital survey regarding their Long-COVID symptoms undergo Long-COVID OMT treatment or a placebo treatment 2. Week 2: Take an digital survey regarding their Long-COVID symptoms then all will undergo Long-COVID OMT treatment 3. Week 3: Take an digital survey regarding their Long-COVID symptoms 4. Week 8: Take an digital survey regarding their Long-COVID symptoms
Trial Details
Trial Status:Recruiting
Trial Phase:Unphased
Age:18+
Sex:All
20 Participants Needed
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COVIDEx for Long-COVID

London, Ontario
Long COVID is a complex condition that affects approximately 1.4 million Canadians following SARS-CoV-2 infection. Fatigue is the most common symptom of Long COVID. This feasibility trial will evaluate a new rehabilitation program called COVIDEx for treating fatigue after COVID-19, and compare its effectiveness to the standard treatment currently used. The experimental treatment group will receive an 8-week multi-modal rehabilitation program with two 50-minute sessions per week. 60 participants will be recruited, randomly assigned to the COVIDEx program or standard of care (SoC) and followed for 24 weeks.
No Placebo Group
Trial Details
Trial Status:Recruiting
Trial Phase:Unphased
Age:18+
Sex:All
60 Participants Needed
The purpose of this study is to evaluate the immunogenicity, reactogenicity, and safety, of mRNA-1083 multicomponent influenza and COVID-19 vaccine in adults ≥18 to \<65 years of age.
No Placebo Group
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2
Age:18 - 64
Sex:All
1300 Participants Needed
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NE3107 for Post-COVID Syndrome

Farmington Hills, Michigan
Long COVID is a condition where debilitating symptoms can persist for months after a COVID-19 infection. This study aims to evaluate the effects of NE3107 on several neurological symptoms reported in people with Long COVID including difficulty concentrating or remembering things ("brain fog") and fatigue. Researchers will compare NE3107 to a placebo (a look-alike substance that contains no drug) to see if NE3107 works to treat neurocognitive and fatigue symptoms of long COVID. Participants will: * Take NE3107 or a placebo twice daily for 84 days * Visit the clinic 5 times for checkups and tests and have a follow up phone call
Trial Details
Trial Status:Not Yet Recruiting
Trial Phase:Phase 2
Age:18 - 64
Sex:All
208 Participants Needed
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Probiotics for Long COVID

Chicago, Illinois
The goal of this clinical trial is to learn if probiotics can improve symptoms and quality of life in participants with Long COVID. The main questions it aims to answer are: 1. Do probiotics reduce the number and severity of symptoms in those with Long COVID? 2. Do probiotics improve physical and mental health quality of life in those with Long COVID? 3. Do probiotics improve return to work and daily activities in those with Long COVID? Researchers will compare probiotics to a placebo (a look-alike substance that contains no probiotics) to see if probiotics works to treat Long COVID. Participants will take the study medication (placebo or probiotic) for 4 months. They will then cross-over (take the other medication) for an additional 4 months. Participants will complete a survey at baseline, 4 months, and 8 months.
Trial Details
Trial Status:Not Yet Recruiting
Trial Phase:Phase 2
Age:18+
Sex:All
180 Participants Needed
The purpose of this study is to learn about how the flu and COVID vaccines act when given alone or when mixed together. This study is seeking healthy participants aged 18 or older. All participants in this study will receive only 1 shot to their arm, either a flu or COVID vaccine, alone or mixed. Participants will take part in this study for about 6 months, and participants will need to visit the clinical study site at least 4 times.
No Placebo Group
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 1, 2
Age:18+
Sex:All
2050 Participants Needed
The purpose of the study is to evaluate whether ibuzatrelvir is effective and safe in adults and adolescents with COVID-19 who do not need to be in the hospital but who are at high risk for progression to severe disease. Eligible participants will be randomly assigned (by chance) to receive ibuzatrelvir or matching placebo orally for 5 days. Co-administration of locally available standard of care is allowed. The total duration of the study is around 6 months.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:12 - 18
Sex:All
2330 Participants Needed
The purpose of this trial is to assess the safety and relative efficacy of CVXGA (CVXGA50), a KP.2 containing vaccine, compared to COMIRNATY® (COVID-19 Vaccine, mRNA; 2024-2025 Formula), a currently approved COVID-19 vaccine in the prevention of symptomatic, RT-PCR-confirmed SARS-CoV-2 infection. The trial will enroll up to 10016 healthy participants.
No Placebo Group
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2
Age:18 - 100
Sex:All
10016 Participants Needed
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Molnupiravir for COVID-19

Beavercreek, Ohio
Researchers are looking for other ways to prevent severe illness from COVID-19. COVID-19 is a virus that most often causes mild flu or cold-like symptoms. However, people with certain health conditions or other factors have a high risk (chance) of getting severely ill from COVID-19, which can require a hospital stay or lead to death. Some people who are high risk for severe illness may be unable to take certain treatments for COVID-19 because they are not available to them, or they take other medicines that may react with a treatment and cause an unwanted effect. Molnupiravir (MK-4482) is a study medicine designed to stop the COVID-19 virus from copying itself in the body (multiplying). The goal of this study is to learn if molnupiravir prevents severe illness from COVID-19 more than placebo in people who are high risk.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
3082 Participants Needed
Study VBT00001 is planned to be a Phase 1/2, randomized, modified double-blind, active-controlled, multi-center study to be conducted in approximately 980 adults aged 50 years and older in the United States. The purpose of the study is to assess the safety and immunogenicity of IIV-HD (high-dose inactivated influenza vaccine) + rC19 (adjuvanted recombinant COVID-19 vaccine) vaccine comprised of IIV-HD combined with different recombinant Spike (rS) antigen levels of rC19 compared to IIV-HD alone, rC19 (dose 1) alone, and IIV-HD and rC19 (dose 1) (coadministered in opposite arms). Placebo will be coadministered in the IIV-HD alone, rC19 (dose 1) alone, and IIV-HD + rC19 study groups to control for the number of injections and to maintain observer-blinding. Thus, each participant will receive two injections at enrollment, one in each deltoid muscle. Study details include: * The study duration will be approximately 12 months * Study intervention will be administered via a single intramuscular (IM) injection into the right and left deltoid muscles on D01 * Dose escalation with sequential enrollment (sentinel cohort followed by main cohort for a given dose) * The visit frequency will be D01, D09 (telephone call), D30, D182 (telephone call), and D366 (telephone call) Number of Participants: Approximately 980 participants are expected to be randomized.
Stay on current meds
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Phase 1, 2
Age:50+
Sex:All
980 Participants Needed
Study VBT00002 is planned to be a Phase 1/2, randomized, modified double-blind, active-controlled, multi-center study to be conducted in approximately 980 adults aged 50 years and older in the United States. The purpose of the study is to assess the safety and immunogenicity of recombinant influenza vaccine (RIV) + adjuvanted recombinant COVID-19 vaccine (rC19) vaccine comprised of RIV combined with different recombinant Spike (rS) antigen levels of rC19 compared to RIV alone, rC19 (dose 1) alone, and RIV and rC19 (dose 1) (coadministered in opposite arms). Placebo will be coadministered in the RIV alone, rC19 (dose 1) alone, and RIV + rC19 study groups to control for the number of injections and to maintain observer blinding. Thus, each participant will receive two injections at enrollment, one in each deltoid muscle. Study details include: * The study duration will be approximately 12 months * Study intervention will be administered via a single intramuscular (IM) injection into the right and left deltoid muscles on Day(D) 01 * Dose escalation with sequential enrollment (sentinel cohort followed by main cohort for a given dose) * The visit frequency for participants will be D01 and D30, and D09-D366 (telephone call) Number of Participants: Approximately 980 participants are expected to be randomized.
Stay on current meds
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 1, 2
Age:50+
Sex:All
980 Participants Needed
This study will evaluate the reactogenicity, safety, and immune response of Flu Seasonal/SARS-CoV-2 mRNA (mRNA Flu/COVID-19) combination vaccine. The flu portion will target multiple strains of the flu virus, while the COVID-19 part will focus on the spike protein of the SARS-CoV-2 virus. Both parts of this vaccine have been tested individually before. This will be the first study to test the combined vaccine in humans in healthy adult participants.
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Phase 1, 2
Age:18+
Sex:All
780 Participants Needed
This study is to learn about flu and COVID vaccines, either alone or when mixed together. Healthy people aged 18 or older can join. Participants will get one shot in each arm, either a flu or COVID vaccine, alone or mixed. The study lasts about 6 months, and participants need to visit the research site at least 3 times.
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Phase 1, 2
Age:18+
Sex:All
1353 Participants Needed
The primary objective of the study is to determine the relative efficacy of the investigational oral severe acute respiratory syndrome coronavirus 2 (SARS-CoV2) vaccine tablet VXA-CoV2-3.1 compared to a currently recommended vaccine for the prevention of symptomatic Coronavirus Disease 2019 (COVID-19).
No Placebo Group
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2
Age:18+
Sex:All
10000 Participants Needed
The DiaSorin Molecular LIAISON® NES FLU A/B, RSV \& COVID-19 real-time polymerase chain reaction (RT-PCR) assay is intended for use on the DiaSorin LIAISON® NES instrument for the in-vitro qualitative detection and differentiation of nucleic acid from influenza A, influenza B, RSV and SARS-CoV-2 virus from dry nasal swabs (NS) from human patients with signs and symptoms during the acute phase of respiratory tract infection in conjunction with clinical and epidemiological risk factors. The LIAISON® NES FLU A/B, RSV \& COVID-19 assay is intended for use as an aid in the differential diagnosis of influenza A, influenza B, RSV and SARS-CoV-2 infection in a professional laboratory setting. Negative results do not preclude influenza A, influenza B, RSV or SARS-CoV-2, infection and should not be used as the sole basis for patient management decisions. The assay is not intended to detect the presence of the influenza C virus.
No Placebo Group
Trial Details
Trial Status:Recruiting
Trial Phase:Unphased
Age:All
Sex:All
1000 Participants Needed
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IgPro20 for POTS

Cincinnati, Ohio
This is a prospective, phase 3, multicenter, double-blind, randomized placebo-controlled study to investigate the efficacy, safety, and pharmacokinetics (PK) of repeat doses of IgPro20 in participants with post SARS-CoV-2 infection 2019 postural orthostatic tachycardia syndrome (post-Coronavirus Disease 2019 \[COVID-19\] POTS \[post-COVID-POTS\]).
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18+
Sex:All
177 Participants Needed
The platform protocol is designed to be flexible so that it is suitable for a range of study settings and intervention types. Therefore, the platform protocol provides a general protocol structure that can be shared by multiple interventions and allows comparative analysis across the interventions. For example, objectives, measures, and endpoints are generalized in the platform protocol, but intervention-specific features are detailed in separate appendices. This platform protocol is a prospective, multi-center, multi-arm, randomized controlled platform trial evaluating potential interventions for PASC-mediated sleep disturbances. The hypothesis is that symptoms of sleep and circadian disorders that emerge in patients with PASC can be improved by phenotype-targeted interventions. Specific sleep and circadian disorders addressed in this protocol include sleep-related daytime impairment (referred to as hypersomnia) and complex PASC-related sleep disturbance (reflecting symptoms of insomnia and sleep-wake rhythm disturbance).
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2
Age:18+
Sex:All
1074 Participants Needed
This is a platform protocol designed to be flexible so that it is suitable for a range of interventions and settings within diverse health care systems and community settings with incorporation into clinical COVID-19 management programs and treatment plans if results achieve key study outcomes. This protocol is a prospective, multi-center, multi-arm, randomized, controlled platform trial evaluating interventions to address and improve exercise intolerance and post-exertional malaise (PEM) as manifestations of Post-Acute Sequelae of SARS-CoV-2 Infection (PASC). The focus of this protocol is to assess interventions that can improve exercise capacity, daily activities tolerance, and quality of life in patients with PASC.
No Placebo Group
Trial Details
Trial Status:Recruiting
Trial Phase:Unphased
Age:18+
Sex:All
660 Participants Needed
The purpose of this community-engaged study is to test the ability of county-level strategies to increase uptake of COVID-19 vaccination. In this study the key objective is to test whether health communication strategies or health communication + county-specific structural/environmental support increases COVID-19 vaccine uptake and changes perceptions and beliefs about the vaccination at the county-level.
No Placebo Group
Trial Details
Trial Status:Enrolling By Invitation
Trial Phase:Unphased
Age:18 - 99
Sex:All
2250 Participants Needed
Dime La VerDAD is an innovative social media capacity-building program that empowers promotores de salud to debunk vaccine misinformation through the use of personal narratives on social media. The core of the implementation strategy consists of augmenting training and self-efficacy for natural community champions, "promotores de salud" from the Hispanic community as trusted messengers to debunk vaccination misinformation. The study will leverage existing community relationships in Chicago and a first of its kind misinformation curriculum to debunk misinformation in communities served by participating promotores de salud. Dime La VerDAD (Verify, Debunk, and Disseminate) is an innovative social media capacity-building program based on theoretical frameworks related to health communication that empowers promotores de salud to debunk vaccine misinformation through the use of personal narratives on social media. This mixed methods study will use a rigorous stepped wedge design to 1) deliver a scalable program of science communicators using an adapted curriculum grounded in infodemiology, 2) evaluate how debunking misinformation is perceived on social media, and 3) discern how use of personal narratives to enhance science communication can lead to changes in opinions and behavior (vaccination rates) about COVID and influenza vaccines among Chicago's predominantly Hispanic communities.
No Placebo Group
Trial Details
Trial Status:Recruiting
Trial Phase:Unphased
Age:18 - 99
Sex:All
1400 Participants Needed
This study is to find out if the Attention Processing Training program is a potential treatment for brain fog symptoms, reported by people with Long-Covid. Also investigating the feasibility of completing this program virtually.
No Placebo Group
Trial Details
Trial Status:Recruiting
Trial Phase:Unphased
Age:18 - 75
Sex:All
60 Participants Needed
To establish the efficacy of a community-based POL (Popular Opinion Leader) intervention with two different trainings designed to increase COVID-19 vaccine and booster uptake and reduce hesitancy among social networks of Black individuals with rheumatic conditions. The investigators will also determine the structure and composition of the personal and outreach social networks of POLs.
No Placebo Group
Trial Details
Trial Status:Active Not Recruiting
Trial Phase:Unphased
Age:18 - 85
Sex:All
60 Participants Needed
This study is a platform protocol designed to be flexible so that it is suitable for a wide range of settings within health care systems and in community settings where it can be integrated into COVID-19 programs and subsequent treatment plans. This protocol is a prospective, multi-center, multi-arm, randomized, controlled platform trial evaluating various interventions for use in the treatment of autonomic dysfunction symptoms, including cardiovascular complications and postural orthostatic tachycardia syndrome (POTS), in PASC participants. The interventions tested will include non-pharmacologic care and pharmacologic therapies with study drugs.
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2
Age:18+
Sex:All
380 Participants Needed
Chronic olfactory dysfunction, both hyposmia and parosmia, from the COVID-19 pandemic is a growing public health crisis, affecting up to 1.2 million people in the United States. Olfactory dysfunction significantly impacts one's quality of life by decreasing the enjoyment of foods, creating environmental safety concerns, and affecting one's ability to perform specific jobs. Olfactory loss is also an independent predictor of anxiety, depression, and mortality. Recent research suggests that parosmia, more so than hyposmia, can increase anxiety, depression, and even suicidal ideation. While the pandemic has advanced the scientific community's interest in combating the burgeoning health crisis, few effective treatments currently exist for olfactory dysfunction. Persistent symptoms after an acute COVID-19 infection, or "Long COVID" symptoms, have been hypothesized to result from sympathetic nervous system dysfunction. Stellate ganglion blocks have been proposed to treat this hyper-sympathetic activation by blocking the sympathetic neuronal firing and resetting the balance of the autonomic nervous system. Studies before the COVID-19 pandemic have supported a beneficial effect of stellate ganglion blocks on olfactory dysfunction, and recent news reports and a published case series have described a dramatic benefit in both olfactory function and other long COVID symptoms in patients receiving stellate ganglion blocks. A previous pilot study using stellate ganglion blocks of 20 participants with persistent COVID-19 olfactory dysfunction resulted in modest improvements in subjective olfactory function, smell identification, and olfactory-specific quality of life, but it lacked a control group. Therefore, we propose a double-blinded, placebo-controlled, randomized clinical trial assessing the efficacy of a stellate ganglion block with Lidocaine versus saline injection in up to 50 participants with persistent COVID-19-associated olfactory dysfunction.
Pivotal Trial
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 3
Age:18 - 70
Sex:All
44 Participants Needed
This study is an adaptive, randomized, double blind, platform trial evaluating promising investigational products (IP) for safety and efficacy as early outpatient treatment and post-exposure prophylaxis for Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2).
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 2
Age:18+
Sex:All
300 Participants Needed
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Liraglutide for Obesity

Chicago, Illinois
This study is for people who have multiple sclerosis, acute leukemia (in remission), or long-COVID and a Body Mass Index over 27 and may struggle with cognitive issues such as remembering information, concentrating, or making decisions that affect everyday life. By doing this study, researchers hope to learn how liraglutide (Saxenda®), a weight loss drug, affects levels of a certain disease marker in the body called Brain Derived Neurotrophic Factor (BDNF). Participation in this research will last about 21 weeks.
No Placebo Group
Trial Details
Trial Status:Recruiting
Trial Phase:Early Phase 1
Age:18 - 40
Sex:All
30 Participants Needed
This is a prospective, observational study evaluating the relationship between severity of sleep apnea with severity of cognitive fog and if treatment of sleep apnea with CPAP improves cognitive fog in a cohort of post COVID patients with sleep apnea.
No Placebo Group
Trial Details
Trial Status:Recruiting
Age:18 - 75
Sex:All
30 Participants Needed
This trial will test if amantadine can improve thinking and memory problems in people with Long COVID. It will involve 60 participants who have cognitive symptoms. The study will last several months, comparing amantadine to another treatment. Amantadine has been shown to enhance cognitive function in patients with traumatic brain injury and is well tolerated.
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 1
Age:18+
Sex:All
60 Participants Needed
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Nitrate Supplement for Long COVID

Pittsburgh, Pennsylvania
Potential benefits of a nitrate-rich juice supplement to improve skeletal muscle function and associated physical capacity will be studied in patients with Long COVID. Consenting patients with Long-COVID will be randomized to receive Beet-It nitrate beverage group versus a nitrate-depleted placebo beverage. Both groups will receive physical therapy at the long COVID Clinic at VAPHS with therapeutic goals to improve strength, balance, inspiratory, and aerobic capabilities. Physical therapy will last for 2 weeks and include 2 or 3 sessions with a physical therapist a week depending on each individual's exercise tolerance. These sessions can take place on-site or at home (or a hybrid combination) All participants will undergo functional assessments and tissue assessments before and after the 14-day study intervention.
Trial Details
Trial Status:Completed
Trial Phase:Phase 2
Age:18+
Sex:All
17 Participants Needed
This is a prospective, randomized, open-label clinical trial to evaluate the safety of COVID-19 vaccination and other routine childhood vaccines given simultaneously at Visit 1, as compared to sequential vaccination of COVID-19 vaccine and other vaccines at separate visits (Visits 1 and 2).
No Placebo Group
Trial Details
Trial Status:Recruiting
Trial Phase:Phase 4
Age:6 - 4
Sex:All
600 Participants Needed
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Frequently Asked Questions

How much do Covid clinical trials pay?

Each trial will compensate patients a different amount, but $50-100 for each visit is a fairly common range for Phase 2–4 trials (Phase 1 trials often pay substantially more). Further, most trials will cover the costs of a travel to-and-from the clinic.

How do Covid clinical trials work?

After a researcher reviews your profile, they may choose to invite you in to a screening appointment, where they'll determine if you meet 100% of the eligibility requirements. If you do, you'll be sorted into one of the treatment groups, and receive your study drug. For some trials, there is a chance you'll receive a placebo. Across Covid trials 30% of clinical trials have a placebo. Typically, you'll be required to check-in with the clinic every month or so. The average trial length for Covid is 12 months.

How do I participate in a study as a "healthy volunteer"?

Not all studies recruit healthy volunteers: usually, Phase 1 studies do. Participating as a healthy volunteer means you will go to a research facility several times over a few days or weeks to receive a dose of either the test treatment or a "placebo," which is a harmless substance that helps researchers compare results. You will have routine tests during these visits, and you'll be compensated for your time and travel, with the number of appointments and details varying by study.

What does the "phase" of a clinical trial mean?

The phase of a trial reveals what stage the drug is in to get approval for a specific condition. Phase 1 trials are the trials to collect safety data in humans. Phase 2 trials are those where the drug has some data showing safety in humans, but where further human data is needed on drug effectiveness. Phase 3 trials are in the final step before approval. The drug already has data showing both safety and effectiveness. As a general rule, Phase 3 trials are more promising than Phase 2, and Phase 2 trials are more promising than phase 1.

Do I need to be insured to participate in a Covid medical study ?

Clinical trials are almost always free to participants, and so do not require insurance. The only exception here are trials focused on cancer, because only a small part of the typical treatment plan is actually experimental. For these cancer trials, participants typically need insurance to cover all the non-experimental components.

What are the newest Covid clinical trials ?

Most recently, we added Osteopathic Manipulative Therapy for Long COVID, COVIDEx for Long-COVID and mRNA-1083 Vaccine for Influenza and COVID-19 to the Power online platform.