The purpose of this clinical trial is to learn about the safety and effects of the study medicine (called Nirmatrelvir/Ritonavir) for the possible treatment of COVID-19. Patients with COVID-19 who have more difficulty in fighting against infections have a higher chance of severe illness. Such patients may benefit from longer treatment durations compared to the standard treatment regimen. The study is seeking participants who: - Have a confirmed COVID-19 infection - Are Immunocompromised - Experience onset of signs/symptoms attributable to the current COVID-19 infection within 5 days prior to screening and ≥1 signs/symptoms attributable to COVID-19 present on the day of randomization. In addition, this study will also evaluate the efficacy and safety of a second treatment course of nirmatrelvir/ritonavir in people who experience that their COVID-19 is flaring up within 14 days of having taken a 5-day treatment course of nirmatrelvir/ritonavir. For this group, the study is seeking participants who: - Have a confirmed COVID-19 infection - Experience a worsening of signs/symptoms after completing an initial 5-day course of nirmatrelvir/ritonavir - The worsening of COVID-19 symptoms must occur within 14 days after completion of the initial 5-day course of nirmatrelvir/ritonavir - Are Immunocompromised - Experience onset of signs/symptoms attributable to the current COVID-19 infection within 48 hours prior to screening and ≥1 signs/symptoms attributable to COVID-19 present on the day of randomization. All participants will be taking the study medicine for either 5, 10, or 15 days. The study medication will be taken by mouth 2 times a day. Participants will take part in this study for about 24 weeks. The first dose of study medication is taken at the study site and the rest at home. Selected participants will need to visit the study site at least 10 times during the study.

Type: Interventional

Start Date: Aug 2022

open study

The primary objective of this study is to evaluate the safety and tolerability of intravenous (IV) IMM-BCP-01 in subjects with mild to moderate COVID-19 through Day 28. The secondary objectives of the study are to: - Determine pharmacokinetics (PK) and evaluate viral clearance after single ascending doses of IV IMM-BCP-01 in subjects with mild to moderate COVID-19 through Day 28. - Evaluate the safety and tolerability, determine PK, and evaluate viral clearance of single ascending doses of IV IMM-BCP-01 in subjects with mild to moderate COVID-19 through Week 12.

Type: Interventional

Start Date: Jun 2022

open study

Recent advances have been made in prevention of the viral infection via vaccines but there is still need for effective treatment options for patients. Novel therapies need to be developed to further improve clinical outcomes. The biggest medical challenge in the response to COVID-19 is ARDS requiring hospitalization in an intensive care setting and ventilator dependence. Intravenously administered umbilical cord derived exosomes and stem cells have been reported in literature to alleviate pulmonary distress in such patients. The purpose of this study is to explore the safety and benefits of intravenous administration of WJPure and EVPure in the treatment of COVID-19 patients with moderate to severe ARDS. .

Type: Interventional

Start Date: Mar 2025

open study

Participants are being asked to take part in this research study because they have had a previous diagnosis (at least 3 months ago) of COVID-19 and are experiencing persistent, recurrent or even new symptoms, i.e. post-acute sequelae of SARS-CoV-2 (PASC). The Investigators are interested in studying the effects of Vitamin K2 (MK-7) and Vitamin D3 supplementation on PASC symptoms and the underlying inflammatory process.

Type: Interventional

Start Date: Jun 2022

open study

Since its initial outbreak in late 2019, coronavirus disease 2019 (COVID-19) caused by the novel coronavirus SARS-CoV-2 has ravaged the globe, causing illness characterized by inflammation and impaired oxygen levels. As a particularly vulnerable group, pregnant women have had a heightened prevalence and severity of infection. In this context, a new population of children has emerged who were exposed to maternal COVID-19 in the womb. As maternal diseases during pregnancy may impact the health of offspring over the life course, health outcomes among these individuals must be urgently evaluated. In the current study, the investigators will leverage a perinatal biorepository comprised of pregnant women with and without COVID-19 to delineate the metabolic and cardiovascular risk profiles of these offspring. This work stands to benefit the burgeoning population of children exposed to COVID-19 in the womb and to deepen the mechanistic understanding of developmental origins of cardiometabolic disease with respect to maternal infections.

Type: Observational

Start Date: Jun 2021

open study

In this trial patients will be treated with either a combination of therapies to treat COVID-19 or a placebo. Treatment will last 10 days, and patients will be followed for 6 months.

Type: Interventional

Start Date: Dec 2020

open study

The value of clinical cardiopulmonary exercise testing (CPET) within healthcare settings has been established in the last decade. CPET methods remain highly relevant in the COVID-19 endemic phase and should be used to assess those recovering from COVID-19 (SARS-CoV-2) infection. This diagnostic tool could play an integral role in disease prognostication and evaluate the integrative response to incremental exercise. Date from such assessments can enable practitioners to characterise cardio-respiratory fitness and identify reasons for physical impairment or abnormal cardio-respiratory function. More than 50% of patients admitted to hospital will experience cardiorespiratory issues and significant morbidity during their recovery and will require significant rehabilitative support. In this context, measurements obtained from an assessment of cardio-respiratory responses to physiological stress could provide insight regarding the integrity of the pulmonary-vascular interface and characterisation of any impairment or abnormal cardio-respiratory function. Current approaches to rehabilitation are being developed on existing knowledge from Severe Acute Respiratory Syndrome (SARS) and Acute Respiratory Distress Syndrome (ARDS) related illness. These provide important insight but do not provide insight into the novel challenges provided by COVID-19.

Type: Observational

Start Date: Mar 2023

open study

The purpose of this waitlist-controlled, single-blind, one-way crossover, pilot trial is to evaluate the potential effects of ~8 weeks of chiropractic care on patient-reported fatigue and the autonomic nervous system in adults with long COVID. This study will allow us to estimate the standard deviation of the primary endpoint in our population with which a formal power calculation for a future randomized, controlled trial can be performed.

Type: Interventional

Start Date: Jan 2025

open study

This is a phase 2 double-blind, randomized study of PBI-0451(Pomotrelvir) in nonhospitalized symptomatic adults with COVID-19. PBI-0451(Pomotrelvir) is a new chemical entity and inhibitor of the main protease of coronaviruses, including the SARS-CoV-2 that causes COVID-19 disease. This study is designed to evaluate the antiviral activity, safety, and efficacy of orally administered PBI-0451(Pomotrelvir) compared with placebo.

Type: Interventional

Start Date: Sep 2022

open study

This is an open-label study examining the safety and tolerability of sotrovimab, administered in two sequential doses as prophylaxis in immunocompromised patients with impaired humoral immunity against SARS-CoV-2.

Type: Interventional

Start Date: Feb 2022

open study

Background: Coronavirus disease (COVID-19) is a viral infection. It has spread rapidly across the globe. It has overwhelmed health systems. Researchers are concerned that it may undo years of progress in the reduction of cancer-specific death. They want to test a vaccine that might protect people with cancer from COVID-19. Objective: To test the safety and efficacy of a vaccine using messenger ribonucleic acid (mRNA)-1273 that may protect people with cancer from COVID-19. Eligibility: Adults ages 18 and older who have a solid tumor or blood cancer and who may benefit from a vaccine that might prepare their immune system for fighting and preventing infection from COVID-19. Patients with solid tumors must be receiving treatment with an immunotherapy agent. Design: Participants will be screened with a medical history, medicine review, and physical exam. They will have blood tests. They will have a pregnancy test if needed. Participants will get 2 doses of the mRNA-1273 vaccine if they have not been vaccinated already. It will be injected into a muscle in the arm on Days 1 and 29. They will be followed for 12 months after the second dose. Participants will have study visits at the Clinical Center on Days 1, 29, 36,57, 209, and 394. Some visits will last about 4-6 hours. Patients will be able to get up to 3 doses of mRNA-1273 as a booster on trial if they have already completed a primary series of a vaccine. Participants who have already received a booster dose of vaccine will be able to enroll to receive additional boosters. It will be injected into a muscle in the arm on Day 1. Participants will be followed for 12 months after their last booster injection. Participants who receive booster doses will have study visits at the Clinical Center on Days 1, 29, 57, 180 and 360. Participants will give blood and saliva samples for research. Participation will last about 16 months.

Type: Interventional

Start Date: Apr 2021

open study

The COVID-19 CHAMPS Study will obtain data on the physical and mental health and well-being of workers potentially exposed to the SARS-CoV-2 virus in the course of their duties. Included are a broad range of occupations including those working in the community (police officers, firefighters, emergency personnel, screening staff) as well as in permanent or temporary sites that care for patients (service staff, nurses, physicians and other health professionals). CHAMPS will obtain data on various exposure factors and health and create a registry of participants for extended follow up and sub-studies.

Type: Observational [Patient Registry]

Start Date: May 2020

open study

This randomized blinded multi-center phase 2 trial will assess the efficacy and safety of anti-SARS-CoV-2 convalescent plasma among adults with severe COVID-19. Adults ≥18 years of age may participate. A total of 219 eligible subjects will be randomized in a 2:1 ratio to receive either high-titer anti-SARS-CoV-2 plasma or non-convalescent fresh frozen plasma (control plasma).

Type: Interventional

Start Date: Apr 2020

open study

The goal of this clinical trial is to develop a comprehensive mental health counseling program purposed to address the social determinant of health impacts of the coronavirus disease of 2019 (COVID-19). The main questions the investigators aim to answer are: 1) What are the mental and social determinant of health impacts of a COVID-19 diagnosis, and 2) What are the impacts of a counseling program implemented to address those impacts? Participants will participate in individual interviews, attend individual and group counseling, and be provided resources related to their social determinants of health needs.

Type: Interventional

Start Date: Apr 2024

open study

The goal of this observational study is to determine the feasibility of conducting a large-scale study on the effect of using osteopathic manipulative treatment (OMT) to treat patients with post-COVID-19 symptoms. The main questions it aims to answer are: 1. Is it feasible to conduct a large-scale study of the effect of OMT on patients with post-COVID-19 symptoms (based on how many patients agree to participate and how many complete the study)? 2. How much change in patients' post-COVID-19 symptom severity, quality of life, and ability to return to work can we expect to see following OMT? Participants will receive OMT as directed by their physician and complete questionnaires after every other OMT session. 1. Participants will complete questionnaires about their post-COVID-19 symptoms, quality of life, ability to return to work, and adverse events they experienced 3 days after every other OMT session. 2. Participants will be sent links to the questionnaires for 4 months or when their symptoms resolve, whichever comes first. 3. Additionally, participants will complete a follow-up questionnaire 2 months after they stop receiving OMT for their post-COVID-19 symptoms or 6 months after enrollment in the study, whichever comes first.

Type: Observational

Start Date: Sep 2023

open study

The purpose of this study is to learn how Itraconazole affects the blood level of PF-07817883 in Healthy Adults. This study is seeking participants who are: - male and female aged 18 to 65 years old, - overtly healthy. This can be determined my medical evaluation, medical history, lab tests etc. This study will consist of 2 parts, Period 1 and Period 2. Period 1: participants will take PF-07817883 one time by mouth at the study clinic. Period 2: participants will take PF-07817883 one time by mouth at the study clinic. They will also take daily itraconazole by mouth for 7 days. Participants will stay at the study clinic for 2 weeks in total. The study doctors will collect blood and urine samples from everyone. The study doctors will check participants' reactions to the study medicine for safety measures. There is a follow-up call at 28 to 35 days from the last dose of PF-07817883. Itraconazole is an approved medicine. It is also a metabolism inhibitor. When taken with some medicines, it affects the actual level of these medicines in the body. This study will compare blood levels of PF-07817883 given with and without Itraconazole. This will help decide safety and right amount for PF-07817883 when given with metabolism inhibitors.

Type: Interventional

Start Date: Apr 2023

open study

Post-acute sequelae of SARS-CoV2 (PASC), colloquially known as "long-COVID," is thought to affect between 10-30% of all COVID-19 survivors. Patients with PASC also report worsening behavioral health symptoms over time that include new-onset depression, anxiety, and even suicidal behavior. The purpose of this randomized, double-blind, controlled trial is to test the efficacy of a glutamate modulator among PASC patients suffering from new-onset or worsening of depressive symptoms.

Type: Interventional

Start Date: Mar 2023

open study

This study is designed to test the efficacy and safety of combinations of two well-understood agents - famotidine and celecoxib. Each of these agents separately demonstrate clinical activity in mitigating COVID-19 disease symptoms or severity, and each of which appear to have separate and complementary mechanisms of action.

Type: Interventional

Start Date: Dec 2021

open study

This is randomized trial where households will be randomized to identify the optimal SARS-CoV-2 (COVID-19) testing modality in a population-representative sample of households in Baltimore City, Maryland. 1,386 households in Baltimore City will be randomized 1:1:1 to one of three testing modalities: 1) fixed-site standard of care testing; 2) community-based mobile van testing; or 3) self-collected home, based testing.

Type: Interventional

Start Date: Feb 2021

open study

Initial data from COVID-19 patients suggests that one of the primary causes of death is significant endothelial injury leading to blood clotting and impaired multiorgan microvascular perfusion. The current study uses a safe, convenient bedside imaging tool called contrast-enhanced ultrasound (CEUS) to estimate the extent of microvascular perfusion impairment in the heart, kidneys and/or brain of COVID-19 pediatric patients in vivo and assess the significance of imaging findings by correlating to clinical outcomes. This pilot study will be conducted at one site, The Children's Hospital of Philadelphia. The investigators plan to enroll and evaluate 30 patients.

Type: Interventional

Start Date: Dec 2020

open study

Trial to evaluate the efficacy and safety of NTZ for post-exposure prophylaxis of COVID-19 and other VRIs in elderly LTCF residents.

Type: Interventional

Start Date: May 2020

open study

The overall goal of this study is to find out if rehabilitation exercise can help people who have long COVID. Participants will be randomized by chance to receive either aerobic exercise or breathing exercise (combined with stretches). Participants will be guided and supported in completing a tailored, 6-week home exercise program to be performed 5 - 6 days a week, prescribed and supervised by rehabilitation therapists. Participants will perform breathing exercises, which will be supervised by an occupational therapist. The focus of Aim 1 is to determine feasibility of implementing RESToRE in long COVID.

Type: Interventional

Start Date: Oct 2023

open study

This is a phase 2/3, multicenter, randomized, placebo-controlled, observer-blind study assessing the safety, tolerability, immunogenicity, and efficacy of prophylactic hAd5-S-Fusion+N-ETSD against COVID-19. It is intended that a minimum of 25% of subjects will be in the >55-year stratum. Safety, immunogenicity, and efficacy assessments will be conducted per the Schedule of Events (SoE) and subjects are expected to participate for up to a maximum of approximately 2 years.

Type: Interventional

Start Date: Dec 2020

open study

The purpose of this study is to estimate the relative bioavailability of PF-07321332/ritonavir oral powder relative to the commercial tablet formulation under fasted condition in healthy adult participants. The study will also assess the effect of 3 different food vehicles on the relative bioavailability of the PF-07321332/ritonavir oral powder formulation as well as the safety, tolerability, and palatability of PF-07321332/ritonavir oral powder in healthy adult participants.

Type: Interventional

Start Date: Mar 2022

open study

To create and evaluate effective COVID-19 testing uptake strategies that focus on underserved individuals who are exposed but have not accessed testing, and underserved individuals who are not routinely tested because they are unaware of their exposure or risk status in order to increase testing among these populations and reduce Covid-19 related disparities.

Type: Interventional

Start Date: Oct 2020

open study