Active clinical trials for "COVID-19"

The aim of the study is to illuminate the role of COVID-19 in the pathophysiology of erectile dysfunction (ED). Nine patients that had COVID-19 and were treated as outpatients were classified as group 1, 10 patients who were hospitalized due to COVID-19 were classified as group 2, and 10 patients who did not have COVID-19 and applied to the urology outpatient clinic with ED complaints and had similar clinical characteristics were classified as the control group (group 3). Patients underwent diagnostic evaluation including International Index of Erectile Function-5 form, penile color Doppler ultrasonography, corpus cavernosum electromyography, and fasting serum levels of reproductive hormones (07-11 am). According to the results of our study, cavernous smooth muscle damage occurs in patients with COVID-19 and it has an important role in the pathophysiology of erectile dysfunction.

Individuals who had COVID-19 and are thought to have recovered from the disease often experience long-term symptoms such as fatigue, extreme tiredness and shortness of breath, a condition referred to as Long COVID. Previous studies have shown that regular exercise is beneficial for individuals suffering similar symptoms as a result of other diseases such as Chronic Fatigue Syndrome. The goal of this study is determine if participation in a three-month structured exercise program will improve physical function in individuals suffering from Long COVID.

This study will deploy a multimodal pragmatic intervention to improve vaccine uptake in priority populations and address vaccine hesitancy to improve access by using a proactive organized population-based outreach leveraging health information technology with tailored navigation support to address mistrust and social barriers.

This study is a randomized, placebo-controlled and open design, phase 4 clinical trial of an inactivated COVID-19 vaccine (CoronaVac) manufactured by Sinovac Research and Development Co., Ltd. The purpose of this study is to evaluate the immunogenicity and safety of the CoronaVac in healthy population aged 18 years and older.

Substudy A: The study will evaluate the safety, tolerability, and efficacy of a booster dose of BNT162b2 when administered to participants having previously received 2 doses of BNT162b2 at least 6 months prior to randomization. The study is designed to describe vaccine efficacy of a booster dose of BNT162b2 over time against COVID-19 At a dose of 30µg (as studied in the Phase 2/3 study C4591001) In healthy adults 16 years of age and older The duration of the study for each participant will be up to approximately 12 months. The study will be conducted in the United States, Brazil and South Africa Substudy B: The study will assess the safety and tolerability of a single dose of BNT162b2 as compared to placebo control, through the potential analysis of serum troponin levels, in participants ≥12 and ≤30 years of age who have received 2 or 3 prior doses of BNT162b2 (30-µg doses) with their last dose at least 4 months (120 days) prior to randomization. Blood samples will be collected for troponin testing The duration of the study for each participant will be up to approximately 2 months. The study will be conducted in the United States, Germany, Poland and South Africa Substudy C: The study will assess the safety, tolerability, and immunogenicity of a booster (third) dose of BNT162b2 at doses of 10 µg or 30 µg in participants who have completed a 2-dose primary series of BNT162b2 (30 µg doses) at least 5 months (150 days) prior to randomization. In healthy adults 12 years of age and older The duration of the study for each participant will be up to approximately 12 months. The study will be conducted in the United States, Germany and South Africa Substudy D: The study will assess the safety, tolerability, and immunogenicity of a 2-dose primary series of BNT162b2 OMI, and as a booster (third, fourth or fifth) dose Participants in Cohort 1 will have completed a 2-dose primary series of BNT162b2 (30-µg doses), with their last dose 90 to 240 days prior to enrolment Participants in Cohort 2 will be enrolled from Study C4591001 and C4591031 Substudy A and will have completed a 2-dose primary series and received a single booster (third) dose of BNT162b2, with their last dose 90 to 180 days prior to randomization Participants in Cohort 3 who are COVID-19 vaccine-naïve and have not experienced COVID-19 will be enrolled to receive 2 doses (primary series) of BNT162b2 OMI, 3 weeks apart, with a dose of BNT162b2 approximately 5 months (150 days) later. If participants do not consent to receive BNT162b2 as a third dose, they will not receive a third dose. No participants should receive BNT162b2 OMI as a third dose. In healthy adults 18 to 55 years of age The duration of the study for each participant will be up to approximately 12 months. The study will be conducted in the United States and South Africa Substudy E: This study will assess the safety, tolerability, and immunogenicity of high-dose BNT162b2 (60 µg), high-dose BNT162b2 OMI (60 µg), and a high-dose combination of BNT162b2 and BNT162b2 OMI at 60 µg (30 µg each), given as a single dose In healthy adults 18 years of age and older who have received 3 prior doses of BNT162b2 (30 µg) with the most recent dose being 5 to 12 months (150 to 360 days) prior to randomization The duration of the study for each participant will be approximately 6 months. The study will be conducted in the United States Substudy F: This study will assess the safety, tolerability, and immunogenicity of high-dose BNT162b2 (60 µg), high-dose BNT162b2 OMI (60 µg), and a high-dose combination of BNT162b2 and BNT162b2 OMI at 60 µg (30 µg each), given as a single dose. In healthy adults 60 years of age and older who have received 3 prior doses of BNT162b2 (30 µg) with the most recent dose being ≥4 months prior to randomization The duration of the study for each participant will be approximately 6 months. The study will be conducted in Israel

This disparities-focused study seeks to evaluate communication strategies for better encouraging understanding and uptake of salivary SARS-CoV-2 antibody testing among African Americans residing in Flint, Michigan. This iteration will consider individuals recruited from the Flint Registry and assess willingness to participate in a drive-up saliva sample collection taking place at a central location in Flint, Michigan.

A Global, Multi-Center, Randomized, Double-Blind, Placebo-Controlled, Phase III Clinical Study to Evaluate the Efficacy, Safety, and Immunogenicity of Sequential Immunization of Recombinant SARS-CoV-2 Fusion Protein Vaccine (V-01) Against COVID-19 in Healthy Adults Aged 18 Years and Older after the Vaccination of 2 Doses of Inactivated Vaccines

The purpose of this study is to assess the immunogenicity and safety of the investigational SCB-2019 vaccine, administered as a booster dose, to adults who: Received primary series with one of the selected authorized or investigational COVID-19 vaccines at least 3 months prior to enrollment. Received primary series and a booster dose of CoronaVac at least 3 months prior to enrollment.

This is a multiregional, randomized, double-blind, placebo-controlled Phase 2 study in patients with confirmed symptomatic COVID-19, designed to evaluate the safety, tolerability, efficacy, and PK of XW001 (IL-29 analog) inhalation solution. The purpose of this study is to evaluate whether treatment with XW001 reduces the likelihood of worsening disease in patients with severe COVID-19. Hospitalized patients on oxygen therapy by mask or nasal prongs (WHO-OSCI score 4) will be enrolled.

This study is designed to test the efficacy and safety of combinations of two well-understood agents - famotidine and celecoxib in patients hospitalized with moderate-to-severe COVID-19 (based on World Health Organization [WHO] Ordinal Scale for Clinical Improvement). Both famotidine and celecoxib separately demonstrate clinical activity in mitigating COVID-19 disease symptoms or severity, and appear to have separate and complementary mechanisms of action.