The purpose of this study is to evaluate the effectiveness of repurposed medications (study drug(s) in reducing symptoms of non-hospitalized participants with mild to moderate COVID-19. Participants will receive either study drug or placebo. They will self-report any new or worsening symptoms or medical events they may experience while taking study drug or placebo. This study is intended to be all remote with no in person visits, unless the study team feels it is in the best interest of a participant to see them in person. Prior and current drug arms are listed on clinicaltrials.gov and will be updated with the activation of any new drug arms. Each study arm will also have its own clinicaltrials.gov entry and will include "Pro00107921" in the Unique Protocol ID. Pro00107921_A - Arm D (Ivermectin 400) - NCT05736861; Pro00107921_B - Arm B (Fluvoxamine) - NCT05890586; Pro00107921_C - Arm C (Fluticasone) - NCT05736874; Pro00107921_D - Arm D (Ivermectin 600) - NCT05894538; Pro00107921_E - Arm E (Fluvoxamine 100) - NCT05894564; Pro00107921_F - Arm F (Montelukast) - NCT05894577; Pro00107921_G - Arm G (Metformin) - NCT06042855.

Type: Interventional

Start Date: Jun 2021

open study

The first aim of this study is to determine the feasibility of delivering CO-OP remotely to individuals experiencing cognitive impairments that limit everyday activities in post-COVID-19 syndrome (PCS). The second aim of this study is to assess the effect of CO-OP on activity performance, subjective and objective cognition, and quality of life in a sample of individuals with PCS. The research team hypothesizes that effect size estimations will indicate that CO-OP will have a greater positive effect, compared to an inactive control group, on activity performance, subjective and objective cognition, and quality of life in a sample of individuals who self-report PCS and cognitive impairment.

Type: Interventional

Start Date: Jan 2024

open study

The investigators will examine whether a combination of at-home nucleic acid amplification tests, on-demand telemedicine, and delivery of prescriptions such as Paxlovid quickly after testing positive for COVID-19, can reduce severe outcomes and hospitalization of immunocompromised patients and those who are 65 years and older. They will also analyze whether these efforts lower the cost of care compared to standard of care.

Type: Interventional

Start Date: Dec 2022

open study

The primary objectives of the study are: - To describe the safety profile of all participants in each age group and each study intervention group up to 12 months post-last dose. - To describe the neutralizing antibody profile at Day 1, Day 22, and Day 36 of each study intervention group. The secondary objectives of the study are: - To describe binding antibody profile from Day 1 to Day 387 of each study intervention group. - To describe the neutralizing antibody profile from Day 91 to Day 387 of each study intervention group. - To describe the occurrence of virologically-confirmed coronavirus disease-2019 (COVID-19)-like illness and serologically-confirmed SARS-CoV-2 infection. - To evaluate the correlation/association between antibody responses to SARS-CoV-2 messenger RNA (mRNA) vaccine and the risk of virologically-confirmed COVID-19-like illness and/or serologically-confirmed severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection.

Type: Interventional

Start Date: Mar 2021

open study

The purpose of the study is three-fold. The primary aim is to identify the proportion of Long-Haul COVID (LHC) and non-LHC volunteers with relevant symptoms actually have postural orthostatic tachycardia syndrome (POTS). The second is to determine benefit of ivabradine treatment. Ivabradine is a drug approved to treat tachycardia in persons with heart failure. The third is to characterize risk factors and outcomes among volunteers with and without LHC. This will include comparison with COVID-19-positive individuals who did not develop long-COVID symptoms. The study will improve basic and applied knowledge of LHC and its associated cardiovascular and autonomic consequences. Cellular and molecular characterization of LHC and non-LHC participants will be performed with a nested clinical trial for Ivabradine responsiveness on reduction of tachycardia. It is hoped that a greater understanding of LHC, and related autonomic dysfunction in particular will help to identify treatment paradigms and therapeutic targets for improving recovery and enhancing health for those affected.

Type: Interventional

Start Date: Jun 2023

open study

To capture the natural history of COVID-19 associated olfactory dysfunction as measured by two patient reported outcome measures (SNOT-22, QOD-NS) and a 6-week BSIT with a comparison to an intervention arm receiving daily omega-3 supplements.

Type: Interventional

Start Date: Jul 2020

open study

The purpose of this study is to learn more about infection with and recovery from the virus called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Some people know this virus by the name "coronavirus." It can cause the disease called COVID-19. The information gained from the study will be used to help develop better tests for SARS-CoV-2 infection and COVID-19 disease and may help in developing future vaccines and treatments by allowing researchers to determine the difference between the body's immune response to natural SARS-CoV-2 infection and immunization with a SARS-CoV-2 vaccine.

Type: Observational

Start Date: May 2020

open study

This is a phase I, open-label, dose-ranging clinical trial in males and non-pregnant females, starting at 18 years of age, inclusive, who are in good health and meet all eligibility criteria. This clinical trial is designed to assess the safety, reactogenicity and immunogenicity of mRNA-1273 manufactured by ModernaTX, Inc. mRNA-1273 is a novel lipid nanoparticle (LNP)-encapsulated mRNA-based vaccine that encodes for a full-length, prefusion stabilized spike (S) protein of SARS-CoV-2. Enrollment will occur at up to 3 domestic clinical research sites. Up to one hundred and fifty-five subjects will be enrolled into one of thirteen cohorts (10 micrograms [mcg], 25 mcg, 50 mcg, 100 mcg, and 250 mcg). Subjects will receive an intramuscular (IM) injection (0.5 milliliters [mL]) of mRNA-1273 on Days 1 and 29 in the deltoid muscle and will be followed through 12 months post second vaccination (Day 394). Follow-up visits will occur 1, 2, and 4 weeks post each vaccination (Days 8, 15, 29, 36, 43, and 57), as well as 3, 6, and 12 months post second vaccination (Days 119, 209, and 394). The primary objective is to evaluate the safety and reactogenicity of a 2-dose vaccination schedule of mRNA-1273, given 28 days apart, across 5 dosages in healthy adults. Optional Substudy: This is an optional third mRNA-1273 vaccination substudy, in subjects 18 years of age and older, who received both the first and second mRNA-1273 vaccinations in the main study and meet all other substudy eligibility criteria. This optional third mRNA-1273 vaccination substudy is designed to assess safety, reactogenicity, and immunogenicity through 12 months post third vaccination (Day 731). Subjects who receive the third mRNA-1273 vaccination will exit the Schedule of Activities for the main study and will enter the Schedule of Activities for the optional substudy. Up to one hundred and twenty subject will be enrolled into two cohorts (consisting of participating subjects who received 2 doses of 25 or 50 mcg and participating subjects who received 2 doses of 100 and 250 mcg). Subjects will receive an IM injection (0.5 mL) at a dosage of 100 mcg/0.5 mL. The primary objective is to evaluate the safety and reactogenicity of a third mRNA-1273 vaccination, at a dosage of 100 mcg.

Type: Interventional

Start Date: Mar 2020

open study

Study Objective: 1. To test if post-exposure prophylaxis with hydroxychloroquine can prevent symptomatic COVID-19 disease after known exposure to the SARS-CoV-2 coronavirus. 2. To test if early preemptive hydroxychloroquine therapy can prevent disease progression in persons with known symptomatic COVID-19 disease, decreasing hospitalizations and symptom severity.

Type: Interventional

Start Date: Mar 2020

open study

The goal of this study is to evaluate the safety of using the [5-cyano-N-(4-(4-[11C]Methylpiperazin-1-yl)-2-(Piperidin-1-yl)Phenyl)Furan-2-carboxamide] ([11C]CPPC) radiotracer in positron emission tomography (PET) imaging of people with history of COVID-19 infection, with and without symptoms. The investigators are also interested to see whether use of this radiotracer reveals imaging differences between patients with history of COVID-19 infection and still exhibiting symptoms or healthy patients with history of COVID-19 infection but exhibiting no current symptoms.

Type: Interventional

Start Date: Aug 2024

open study

A clinical trial to evaluate the safety, reactogenicity, and immunogenicity of MPV/S-2P administered intranasally to adults who have previously received a primary series and at least one booster with an authorized or licensed mRNA SARS-CoV-2 parenteral vaccine. The primary objective is to evaluate the safety and reactogenicity of a single dose of MPV/S-2P in previously vaccinated healthy adults.

Type: Interventional

Start Date: Jul 2024

open study

To evaluate the extent to which a 12-week respiratory rehabilitation program consisting of inspiratory and expiratory breathing exercises compared to expiratory breathing exercises alone will help to improve shortness of breath, respiratory symptoms, breathing function, distance walked, and quality of life in those who are experiencing persistent shortness of breath after having had COVID-19. Measurements will take place at the beginning, 6 weeks, and at 12 weeks in the study.

Type: Interventional

Start Date: Dec 2023

open study

Patients with a history of mild traumatic brain injury (mTBI) or post acute sequelae of SARS-CoV-2 (PASC) and abnormal growth hormone secretion, as measured by glucagon stimulation test, will be treated with replacement growth hormone therapy for a period of 6 months (mTBI) or 9 months (PASC). Testing of cognition, exercise, fatigue, brain activation and morphology, body composition and measurements of quality of life will be performed before and after the treatment period. Fecal sampling for characterization of the GI microbiome will occur monthly over the treatment period. Control subjects will be enrolled and will provide fecal samples monthly for 6 months. GI microbiomes will be compared between mTBI patients, PASC patients and controls at baseline as well as over the treatment period.

Type: Interventional

Start Date: Aug 2018

open study

Our purpose is to conduct a 4-arm placebo-controlled clinical trial to investigate the relative clinical efficacy of 300 mg. of pure hemp-derived CBD isolate, 300 mg. of full spectrum CBD oil, 300 mg. of broad- spectrum CBD Oil, or Placebo oil among adults presenting with COVID-19 -induced stress reactions including one or more of the following: anxiety, depression, anger, substance use, or sleep disturbance.

Type: Interventional

Start Date: Dec 2020

open study

Background: Researchers think that people s mental health and behavior will be very affected by the steps taken to slow the spread of COVID-19, such as social distancing. Also, the threat of disease and death, to people and their loved ones, can cause much stress. Researchers want to learn more about these stressors and how they are affecting people. Objective: To study the relationship of affective, cognitive, and behavioral responses to stressors related to COVID-19 with neuroimaging and behavioral data collected before COVID-19. Eligibility: English-speaking adults age 18 and older Design: This online study will include both new participants and those who have taken part in past National Institute of Mental Health studies. All will complete the same surveys and tasks. Participants will give their name and email address. They will get a username and password. The file that links their username to their personal data will be kept secure. Participants will complete a set of surveys about the following: - Sociodemographic data, such age, race, and income - Education and work status - Mental and medical illness and treatment - Family medical history - Mood - COVID-19 experience - Anxiety - Substance and alcohol use - Attention control - Other mental health related topics. Participants will complete a finger-tapping task. For this, they will press a key a certain number of times in a limited period. They will get to practice the task. After the task, they will complete a survey about it. It will take about 1 hour to complete the surveys and the task. About 8 months later, participants will be contacted to repeat the surveys and task. Compensation is provided.

Type: Observational

Start Date: May 2020

open study

COVID-19 testing is essential to controlling the COVID-19 pandemic to break transmission chains and reduce community transmission. However, Black and Latino/Hispanic populations in lower status frontline essential occupations such as food preparation, retail, building maintenance, personal services, and in-home health care have serious barriers to COVID-19 testing and, therefore, insufficient testing rates. The proposed study will use the multiphase optimization strategy framework to address the problem of low COVID-19 testing rates for this population: We will test the effects of four distinct candidate intervention components and then create an efficient multicomponent made up of the most effective combination of the components that can be rapidly scaled up in community settings to boost COVID-19 testing rates.

Type: Interventional

Start Date: Jun 2022

open study

This is a multicenter, US-only, phase 1, open-label, dose escalation, non-randomized study of the safety, tolerability, and immunogenicity of investigational ChAd and SAM SARS-CoV-2 vaccines in healthy adult subjects. Homologous and heterologous prime-boost vaccination schedules (Stage 1), as well as boost(s) after receipt of COVID-19 EUA/licensed vaccines (Stage 2) will be examined. Subjects' willingness to receive ChAd vaccines will be assessed and documented at the time of informed consent and considered to determine group assignments. This phase 1 study will enroll 17 Stage 1 and up to 118 Stage 2 subjects. Eligible subjects will be enrolled in different groups based on their age (18-60 years old and >60 years old) and their EUA/licensed COVID-19 vaccination status. A sentinel approach with 72-hour (Stage 1, and Stage 2, Groups 5, 6, 8-10, 12, 13-15) or 7-day observation times (Groups 7 and 11) will be used, before recruiting the remainder of each dose escalation group. Decisions about dose escalation will be determined by the SSC with consultation with the DSMB as needed after all subjects in each group have been observed through Day 8 post first study vaccination. All subjects will be followed through 12 months after their last study vaccination. Vaccinated subjects will be carefully monitored for exposure and infection to SARS-CoV-2 throughout the study. Escalation to the highest dose (10 µg) of SAM-S-TCE in younger subjects will proceed only following safety assessments of the 10 µg dose in older subjects for a period of 28 days post-vaccination. In addition, the dosage of SAM-S-TCE given as a double boost to subjects previously vaccinated with the Johnson & Johnson/Janssen Ad26 COVID-19 EUA/licensed vaccine in Groups 8A, 8B, and 12A, 12B will be determined based on the dose escalation reactogenicity and immunogenicity results in Groups 5-7 and 9-11, respectively. After protocol version 9.0 was implemented, it was decided not to enroll subjects into Groups 7 and 8 because of competing priorities and predicted difficulties enrolling into these two groups. The primary objectives of this study are 1) To assess the safety and tolerability of different doses of ChAd-S or ChAd-S-TCE, and SAM-S or SAM-S-TCE when administered as prime-boost in healthy naïve adult subjects, 2) To assess the safety and tolerability of different doses of ChAd-S or ChAd-S-TCE, and SAM-S or SAM-S-TCE when administered as first or second boost in healthy adult subjects previously vaccinated with an mRNA or adenoviral-vectored COVID-19 EUA/licensed vaccine.

Type: Interventional

Start Date: Mar 2021

open study

Background: COVID-19 is a new disease caused by SARS-CoV-2 that was identified in 2019. Some people who get sick with COVID-19 become ill requiring hospitalization. There are some medicines that may help with recovery. Researchers want to see if a drug called fostamatinib may help people who are hospitalized with COVID-19. Objective: To learn if fostamatinib is safe in patients who are hospitalized with COVID-19 and gain earlier insight into whether it improves outcomes. Eligibility: Adults age 18 and older who are hospitalized with COVID-19. Design: Participants will be screened with a physical exam, including vital signs and weight. They will have a blood test and chest x-ray. They will have a COVID-19 test as a swab of either the back of the throat or the back of the nose. They will take a pregnancy test if needed. Participants will be randomly assigned, to take either fostamatinib pills or a placebo twice daily for up to 14 days in addition to standard of care for COVID-19. If they can swallow, they will take the pills by mouth with water. If they cannot swallow or are on mechanical ventilation, the pills will be crushed, mixed with water, and given through a tube placed through the nostril, or placed in the mouth, down the esophagus, and into the stomach. Blood samples will be taken daily. Participants will return to the Clinical Center for safety follow-up visits. At these visits, they will have a physical exam and blood tests. If they cannot visit the Clinical Center, they will be contacted by phone or have a telehealth visit. Participation will last for about two months

Type: Interventional

Start Date: Oct 2020

open study

Background: Middle East Respiratory Syndrome (MERS) is a newly discovered contagious and sometimes fatal respiratory virus. People often get MERS through close contact with an infected person. Scientists are worried that MERS may spread and cause more infections. There are no vaccines or treatments for MERS right now. Researchers think a new therapy called SAB-301 may be able to help. Antibodies are proteins the body makes to attack viruses. SAB-301 is made of antibodies made in cows to fight MERS. The antibodies are collected from plasma, the liquid part of cow blood. Objective: To evaluate the safety and tolerability of SAB-301 in healthy adults. Eligibility: Healthy people ages 18 60 who: Do not have chronic medical problems Do not take any medications (exceptions are acetaminophen, ibuprofen, vitamins, seasonal allergy meds and oral contraception) Do not have allergies to beef products Agree to use two forms of contraception while on study (both men and women) Design: Participants will be screened with: Medical history Physical examination Blood and urine tests Participants will have a return visit. They will have a physical exam and blood tests. They will be randomly assigned to receive either SAB-301 or a placebo which is given by infusion through an arm vein over 1 3 hours. They will be monitored at the clinic for 6 hours after the infusion. They will have additional blood draws. Participants will have 2-hour visits 1, 3, 7, 21, 42, and 90 days after the infusion. At each visit they will be evaluated and have blood and urine tests.

Type: Interventional

Start Date: May 2016

open study

This study will evaluate the safety and immunogenicity of the mRNA-1273.214 vaccine for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variant of concerns (VOCs) in participants aged 6 months to <6 years, when administered as a primary series in SARS-CoV-2 vaccine-naïve participants (Part 1) and a single booster dose (BD) given to participants who previously received 2 doses of the mRNA-1273 vaccine as a primary series (Part 2); and will evaluate the safety and immunogenicity of the mRNA-1273.815 vaccine, when administered as a BD in participants aged 6 months to <6 years (Part 3) and when administered to SARS-CoV-2 vaccine-naïve participants aged 2 years to <5 years of age (Part 4).

Type: Interventional

Start Date: Jun 2022

open study

The Innovative Support for Patients with SARS COV-2 Infections Registry (INSPIRE) study is a CDC-funded COVID-19 project to understand the long-term health outcomes in recently tested adults, both negative and positive, who have suspected COVID symptoms at the time of their test. Participants will complete short online surveys every 3 months for 18 months, share information about their health using a secure web-based platform, and are compensated for their time.

Type: Observational [Patient Registry]

Start Date: Dec 2020

open study

Background: COVID-19 is a disease caused by the SARS-CoV-2 virus. It infects the respiratory tract. Some people who get COVID-19 have only mild symptoms. But for others, infection leads to pneumonia, respiratory failure, and, in some cases, death. Researchers want to learn more about any effects that may persist after people recover from COVID-19. Objective: To learn about any long-term medical problems that people who have recovered from COVID-19 might have, and whether they develop an immune response to SARS-CoV-2 that provides protection against reinfection. Eligibility: People age 18 and older who have recovered from documented COVID-19 or were in close contact with someone who had COVID-19 but did not get the infection Design: Participants will be screened over 2 visits. During visit 1, they will answer questions about any symptoms they are having and will be tested for SARS-CoV-2 infection which will involve a nasal swab sample or other FDA approved test. If the test is negative, they will proceed to the second visit, which will include: Physical examination Medical history Mental health interview (which may be recorded if the participant agrees) Chest x-ray (for recovered COVID-19 participants only) Blood and urine tests Pregnancy test (if needed) Lung function test (for recovered COVID-19 participants only) 6-minute walk test (for recovered COVID-19 participants only) Questionnaires about their general and mental health Leukapheresis to collect white blood cells (optional). Participants will be put into 1 of 2 groups: the COVID-19 group or the close contact group. Participants will have study visits every 6 months for 3 years. They will repeat some of the screening tests. Participants in the COVID-19 group may have visits more often if they develop symptoms that suggest re-infection with SARS-CoV-2.

Type: Observational

Start Date: Jun 2020

open study

This is a phase 3, randomized, double-blind, placebo-controlled multicenter study to evaluate the efficacy and safety of colchicine in adult patients diagnosed with COVID-19 infection and have at least one high-risk criterion. Approximately 6000 subjects meeting all inclusion and no exclusion criteria will be randomized to receive either colchicine or placebo tablets for 30 days.

Type: Interventional

Start Date: Mar 2020

open study

The term post-acute COVID-19 syndrome or Long COVID is a disabling syndrome that persists beyond the 3-month convalescence period after COVID-19 infections. This syndrome affects mostly women (~80%), present with chronic tachycardia and Orthostatic intolerance symptoms without any identifiable cause. In addition, non-specific symptoms such as fatigue, headache, and "brain fog", commonly described in POTS patients are also present in this novel condition, recently named post-COVID-19 tachycardia syndrome, POTS variant. Reduced Vagal activity and unresolved inflammation is post-COVID-19 POTS is hypothesized as the cause of Long COVID

Type: Interventional

Start Date: Jun 2022

open study

The aim of this study is characterize the endocrine, metabolic and microbiomes of patients with post-acute sequelae SARS-CoV-2 infection (PASC) and patients that have recovered from COVID without lingering symptoms.

Type: Observational

Start Date: May 2021

open study