The purpose of this study is to learn about the safety, tolerability, and immunogenicity of an updated vaccine against COVID-19, called BNT162b2 (2025/2026 formulation). This study is seeking participants 5 through 11 years of age who: - have at least 1 underlying condition that puts them at high risk for severe outcomes from COVID-19, - and are medically stable. All participants in this study will receive 1 vaccine dose given in the muscle of their arm of a BNT162b2 (2025/2026 formulation) vaccine which targets the COVID-19 virus, specifically the strain selected for the 2025-2026 COVID-19 viral respiratory season. Participants will take part in this study for about 6 months and will need to visit the clinical study site at least 2 times.

Type: Interventional

Start Date: Oct 2025

open study

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.

Type: Interventional

Start Date: Sep 2026

open study

Background: People who get COVID-19 have a wide range of symptoms. They also recover from COVID-19 in different ways. In this study, researchers will use survey data to describe the different ways people experience and recover from COVID-19. They will also use the data to help create future studies to understand why some people do not fully recover. Objective: To learn more about the range and timing of symptoms that people have before, during, and after COVID-19 infection. Eligibility: People ages 18 and older who can give documentation of a positive COVID-19 or antibody test. Design: Participants will be screened with a telephone interview. It will take 15 minutes. They will provide their COVID-19 test results and medical records. Participants will complete a second telephone interview. It will take 30 60 minutes. They will also take online surveys every 3 months for 3 years. The interview and surveys will ask participants about their health before they got COVID-19, what happened while they had COVID-19, and what their recovery has been like. Participants will get log-in data to take the online surveys. Completing all of the surveys the first time may take up to 3 hours. Follow-up surveys will take up to 30 minutes. Participants do not have to complete the surveys in one sitting. They will be able to save their progress and finish the surveys later. Participants may be contacted to take part in other research studies.

Type: Observational

Start Date: Jan 2022

open study

Background: Vaccines against SARS-CoV-2, the virus that causes COVID-19, have been highly effective against preventing severe disease. But the protective effects of these vaccines appear to wane over time. Researchers want to learn why. Objective: To learn more about how the immune system responds to vaccines against infections like SARS-CoV-2. Eligibility: Healthy adults ages 18 or older who are scheduled to receive either a new vaccine or a booster shot against SARS-COV-2 or another emerging infection. Design: Participants will be screened with a medical history and blood and urine tests. Participants will have up to 8 study visits in 1 year. Each visit should last less than 2 hours. At each visit, participants will give blood samples. Some blood samples will be used for genetic testing. They will also give updates on their health. After the first study visit, participants will receive either a first vaccination or a booster shot. They must get the vaccine in their community or workplace. They will not get the vaccine at NIH. This study currently focuses on SARS-CoV-2, but it will expand to other infectious diseases as they emerge and become the target of new vaccines. ...

Type: Observational

Start Date: Oct 2021

open study

Background: SARS-CoV-2 is the virus that causes COVID-19. Some people who recover from COVID-19 have long-term symptoms that affect the brain. These include headaches; loss of taste and smell; sleep problems; thinking problems; depression; and anxiety. Researchers want to know if a tracer (a substance that is injected into a person s body before an imaging scan) can help identify inflammation in people with these brain disorders. Objective: To see if a radioactive tracer ([11C]PS13) can highlight brain inflammation in those who had COVID-19 but still have symptoms that affect the brain. Eligibility: Adults aged 18 to 70 years with post COVID-19 brain disorders who are enrolled in protocol 000089 or 000711. Healthy volunteers are also needed. Design: Participants will have up to 5 clinic visits. Participants will be screened. They will have blood tests and a test of their heart function. They will have imaging scans: Magnetic resonance imaging (MRI): They will lie on a table that slides into a metal tube. Pictures will be taken of the brain. Positron emission tomography (PET): A needle attached to a thin tube will be inserted into a vein in the arm. The tracer will be injected through the tube. Another needle attached to a thin tube will be inserted into the wrist or inside of the elbow of the other arm to draw blood. They will lie still on a bed while a machine captures images of their brain. The scan will last about 2 hours. Study involvement is 11 to 14 weeks....

Type: Interventional

Start Date: Jun 2025

open study

The goal of this study is to assess the best COVID-19 vaccine uptake strategy among students, staff and household members that have not been vaccinated. There is a multitude of recommendations present that highlight different vaccination strategy; however, it is still unclear which strategy is best to increase COVID-19 vaccination rates. We will compare the effectiveness and acceptance of two different communication strategies among unvaccinated students, staff, and their household members.

Type: Interventional

Start Date: Jul 2022

open study

The primary objective of the Outpatient Treatment with Anti-Coronavirus Immunoglobulin (OTAC) (INSIGHT 012) trial is to compare the safety and efficacy of a single infusion of anti-COVID-19 hyperimmune intravenous immunoglobulin (hIVIG) versus placebo among adults with recently diagnosed severe acute respiratory syndrome - coronavirus 2 (SARS-CoV2) infection who do not require hospitalization. The primary endpoint of this double-blind randomized trial is a five-category ordinal outcome that assesses the participant's clinical status seven days after the infusion of hIVIG or placebo. 1. Asymptomatic and no limitations in usual activity due to COVID-19 2. Mild COVID-19 illness or minor limitations to usual activity 3. Moderate COVID-19 illness and with major limitations to usual activity 4. Severe COVID-19 or serious disease manifestation from COVID-19 5. Critical illness from COVID-19 or Death Two strata of participants will be identified for analysis purposes. Stratum 2 will be participants who receive direct-acting antivirals (DAAs) or other anti-SARS-CoV2 agents that are approved/available and recommended for use as part of standard of care (SOC), estimated to be about 20% of participants. Stratum 1 will be participants who do not receive this agents, estimated to be about 80% of participants.

Type: Interventional

Start Date: Aug 2021

open study

Communication with patients on their clinical status is important in delivering care in the emergency department. During times of high volume or complex patients, there may be lapses in communicating with patients about their hospital course or plans of action. These miscommunications may be enhanced during the current COVID-19 pandemic as there is minimized in-person interaction with patients in order to conserve personal protective equipment and decrease the risk of disease transmission. This study utilizes a virtual white board to deliver updates to patients about the status of their emergency department stay.

Type: Interventional

Start Date: Jan 2021

open study

The investigators hypothesize that those with respiratory failure due to COVID-19 will have different burdens of mental and physical disability than those with respiratory failure who do not have COVID-19. Detecting these potential differences will lay an important foundation for treating long term sequelae of respiratory failure in these two cohorts.

Type: Observational

Start Date: Apr 2020

open study

This research study seeks to establish the effectiveness of a combination of an inhaled corticosteroid and a beta agonist compared to placebo for the prevention of acute respiratory failure (ARF) in hospitalized patients with pneumonia and hypoxemia.

Type: Interventional

Start Date: Jun 2020

open study

The purpose of this study is to compare two approaches to cognitive rehabilitation in adults with post-viral cognitive syndrome, which resulted in brain fog. All participants will be screened for eligibility prior to participation. Most of the procedures will take place over a phone call or secure telehealth platform (i.e., Zoom). However, participants will be asked to visit UAB on three occasions for blood sample collection and brain imaging (about 2 hours each). Online testing will happen one month before treatment, one day before treatment, one day afterwards, and 6 months afterwards. The study will utilize two different forms of rehabilitation training to improve participants' cognitive ability. Participants will be randomized to one of the two treatment groups. The first treatment approach, known as Constraint-Induced Cognitive Therapy (CICT), will feature (A) web-based computer "games" that trains how quickly individuals process information that they receive through their senses; (B) online training on everyday activities with important cognitive components, (C) procedures designed to transfer improvements in cognition from the treatment setting to everyday life, and (D) a non-invasive form of vagus nerve stimulation, also known as trans-auricular VNS (taVNS). The second approach, known as Brain Fitness Training (BFT), will include (A) web-based computer "games" that train reaction time and eye-hand coordination; (B) in-lab training on relaxation, breathing, healthy nutrition, and healthy sleep, (C) education about how relaxation, breathing, nutrition, and sleep are connected to thinking effectiveness, and (D) taVNS. Approximately 30 hours of training will be conducted over a secure telehealth platform (i.e., Zoom) in the span of two- to four- weeks. A typical CICT session will consist of one hour of gaming, with the bulk of the session being spent on cognitive training of the target behaviors and procedures designed to promote transfer of therapeutic gains to daily life. ta-VNS will be administered for 10 minutes before gaming and in-lab target behavior training. A typical BFT session will consist of one hour of gaming, training on healthy lifestyle behaviors (i.e., healthy sleep, nutrition, and relaxation habits), as well as procedures designed to promote transfer of behavior changes to daily life. Ta-VNS will be administered for 10 minutes before gaming and in-lab target behavior training. Training sessions in both conditions will be scheduled based on participants' availability, with the options for sessions scheduled to be as close as every weekday over 2 weeks or as loosely as every other weekday (i.e., over a 4-week span). If a caregiver is available, they will receive training on how to best support participants in their therapeutic program. After the training ends, both groups will receive 4 follow-up phone calls approximately one week apart to promote integration of the gained skills into everyday life. Outcomes measured will include cognitive processing speed, cognitive function on laboratory tests, and spontaneous performance of everyday activities with important cognitive components in daily life.

Type: Interventional

Start Date: Jun 2026

open study

This is a prospective multicenter study conducted to evaluate the performance of the LumiraDx SARS-CoV-2 Ag Ultra test in detecting severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and LumiraDx SARS-CoV-2 & Flu A/B test in differential detection of SARS-CoV-2, Influenza A (Flu A) and Influenza B (Flu B) at point of care sites. Subjects presenting with symptoms suggestive of coronavirus disease 2019 (COVID-19) and/or Influenza at the time of the study visit will be enrolled and asked to donate swab sample(s) for testing in the device(s) under evaluation.

Type: Observational

Start Date: Feb 2023

open study

The purpose of this study is to describe the long-term health effects of COVID-19 in a population of mostly Black and Latinx individuals and their households who were diagnosed with COVID-19 at Columbia University Irving Medical Center. In New York, the upper Manhattan and south Bronx communities neighboring Columbia University Irving Medical Center (CUIMC) have been two of the most impacted communities of the COVID-19 pandemic. These neighborhoods are predominantly non-Hispanic black or African American and Latinx. This study will invite people who tested positive for COVID-19 and/or were treated at Columbia University Irving Medical Center to: 1) take a survey to ask about current symptoms and any health problems and 2) ask permission to review COVID-related health history including COVID-19 testing results (from the medical record) since infection to learn about health effects after COVID-19 infection; 3) invite anyone in their household to take a survey; and 4) for up to 500 patients who were hospitalized for COVID, give the option of doing a nasal swab to test for SARS-CoV-2 virus and blood test to check for antibody up to 12 months after diagnosis, to compare how results are different 12 months after infection. The goal is to learn about how the severity of person's infection in 2020 influences long term health effects and how others in their household are impacted by COVID-19.

Type: Observational

Start Date: Jul 2021

open study

The overall objective of this study is to evaluate the clinical efficacy of oral famotidine in symptomatic non-hospitalized patients with confirmed COVID-19. This study is expected to enroll up to 84 patients with mild to moderate symptoms divided into each of the two study arms. Clinical outcomes of the two treatment arms will be compared. This study will be conducted virtually/remotely.

Type: Interventional

Start Date: Jan 2021

open study

This study will seek to enroll immunocompromised patients with Lower Tract parainfluenza infection. It also contains a sub-study to enroll patients with severe COVID-19.

Type: Interventional

Start Date: May 2019

open study

The overall goal of this study is to determine whether a novel, multi-modal, patient-directed behavioral intervention initiated in rheumatology clinics is an effective approach to improve uptake of updated COVID-19 vaccine.

Type: Interventional

Start Date: Dec 2024

open study

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).

Type: Interventional

Start Date: Aug 2024

open study

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.

Type: Interventional

Start Date: Mar 2024

open study

This is a Phase 2/3 randomized, observer-blinded, placebo-controlled, age de-escalation trial to evaluate the safety and immunogenicity of 2 primary doses of SARS-CoV-2 rS with Matrix-M™ adjuvant (NVX-CoV2373) given 21 days apart and NVX CoV2373 or a variant-based vaccine given as a booster dose or at crossover in pediatric participants (3 age cohorts; 6 to < 12 years, 2 to < 6 years, and 6 to < 24 months of age). Each age cohort will be conducted in 2 parts starting with the oldest age cohort (6 to < 12 years of age).

Type: Interventional

Start Date: Jul 2022

open study

The Post-Acute Sequelae of SARS-CoV-2 (PASC) Autopsy Study is a cross-sectional study designed to define and characterize the epidemiology, natural history, clinical spectrum, and underlying mechanisms of post-acute effects of SARS-CoV-2 infection in a diverse population representative of the general COVID-19 population in the US. The autopsy study will characterize the pathology of PASC in (i) non-hospitalized patients who die 30 days or later from symptom onset of COVID-19, and (ii) hospitalized patients who die 30 days or later after discharge from a hospitalization for COVID-19. The study will include decedents who had previously fully recovered from SARS-CoV-2 infection (i.e., >30 days from onset in non-hospitalized, or >30 days from discharge in hospitalized patients), and decedents who meet clinical criteria of PASC as defined by the recent World Health Organization publication (see Section 5.4 below). The autopsy study will also explore the pathology of acute SARS-CoV-2 infection in a smaller subset of patients who died 15-30 days from symptom onset. This protocol defines the common set of clinical data elements, autopsy procedures for tissue collection, core measures, pathology protocols, shared pathology tissues, data elements, and methodology. Each investigator site is expected to perform autopsies on the decedents to address the pathophysiology of the potential long-term effects of SARS-CoV-2 infection on human health. The Consortium analysis plan aims to address research questions by incorporating: 1) tissue obtained from autopsies performed at each Phase II participant's site; and 2) tissue available from other pathology investigators/autopsy sites within the Consortium.

Type: Observational

Start Date: Mar 2022

open study

The novel coronavirus (SARS-CoV-2) infection (COVID-19) has caused a worldwide pandemic. There is still much that is unknown regarding the virus, especially its effects on pregnancy, the fetus, and the neonate. This study seeks to evaluate adverse pregnancy and neonatal outcomes related to COVID-19 infection. The FDA has authorized emergency use authorization for the SARS-CoV-2 messenger ribonucleic acid (mRNA) vaccines from Pfizer and Moderna. Pregnant women were excluded from the Phase III clinical trials of the mRNA vaccines. There are no studies that have evaluated functional antibody responses, antibody reactivity to variant viruses, T cell frequencies or activity, or protection against infection or development of COVID-19. Having a more detailed understanding of how pregnancy and lactation alters the longevity, specificity, and activity of antiviral antibody and T cell-mediated immune responses to COVID-19 mRNA vaccines is essential for the FDA to inform future recommendations and regulation of these vaccines.

Type: Observational

Start Date: Apr 2020

open study

This is a randomized, multi-site, adaptive, open-label clinical trial comparing the immune response to different additional doses of COVID-19 vaccine in participants with autoimmune disease requiring IS medications. All study participants will have negative serologic or suboptimal responses (defined as a Roche Elecsys® Anti-SARS-CoV-2 S result ≤200 U/mL) or a low immune response (defined as a Roche Elecsys® Anti-SARS-CoV-2 S result >200 U/ml and ≤2500 U/mL) to their previous doses of COVID-19 vaccine. The study will focus on 5 autoimmune diseases in adults: - Systemic Lupus Erythematosus (SLE) - Rheumatoid Arthritis (RA) - Multiple Sclerosis (MS) - Systemic Sclerosis (SSc), and - Pemphigus. This study will focus on 4 autoimmune diseases in pediatric participants: - Systemic Lupus Erythematosus (SLE) - Juvenile Idiopathic Arthritis (JIA) - Pediatric-Onset Multiple Sclerosis (POMS) - Juvenile Dermatomyositis (JDM)

Type: Interventional

Start Date: Aug 2021

open study

Background: The COVID-19 global pandemic killed more than 6 million people worldwide. Several vaccines have been developed against the virus that causes this disease. These vaccines are effective at preventing severe symptoms and death from COVID-19. Some people with chronic liver disease, especially those with an advanced condition called cirrhosis, do not respond to many vaccines as well as healthy people do. The goal of this natural history study is to find out how well people with chronic liver disease respond to the COVID-19 vaccines. Objective: To learn how chronic liver disease affects the body s immune response to vaccination against COVID-19. Eligibility: People aged 18 years or older with chronic liver disease. They must also be enrolled in protocol 91-DK-0214 or 18-DK-0091. Design: Participants will have 3 visits, each spaced 6 months apart. Each visit will last 2 hours. Participants will have their vital signs recorded. These include age, sex, race, height, and weight. They will give their medical history. At each visit, participants will have blood drawn through a needle inserted into a vein in the arm. The sample drawn at each visit will be from 1 to 8 tablespoons. At each visit, participants will fill out a questionnaire. They will answer questions about whether they have been vaccinated against COVID-19; whether they have had COVID-19; and whether they have been exposed to someone who had COVID-19. The questionnaire will take 10 to 15 minutes. Researchers will also look at results of past blood tests from other research studies.

Type: Observational

Start Date: Mar 2023

open study

CIRV2 is a Phase IV randomized, open-label, trial of FDA-approved COVID-19 and/or influenza vaccines (no more than minimal risk) with longitudinal follow-up. In 2025 CIRV2 will compare immunogenicity and reactogenicity of the recombinant Novavax COVID-19 vaccine and the mRNA Pfizer-BioNTech COVID-19 vaccine.

Type: Interventional

Start Date: Nov 2025

open study

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.

Type: Interventional

Start Date: Nov 2024

open study