Eligibility Module

Eligibility Module

The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.

Eligibility Module path is as follows:

Study -> Protocol Section -> Eligibility Module

Eligibility Module


Ignite Creation Date: 2025-12-24 @ 6:59 PM
Ignite Modification Date: 2025-12-24 @ 6:59 PM
NCT ID: NCT04365257
Eligibility Criteria: Inclusion Criteria: * Subjects must be 45 years of age or older * Provision of informed consent * Subjects who tested positive for SARS-CoV-2 AND have clinical symptoms of COVID-19\* AND have been hospitalized, but are not requiring more than 4 liters/minute of supplemental oxygen by nasal cannula and are not requiring ICU/CCU-level care at time of enrollment (\*)Acute respiratory tract infection (sudden onset of at least one of the following: fever, chills, sore throat, myalgia, diarrhea, cough, or shortness of breath) AND with no other etiology that fully explains the clinical presentation Exclusion Criteria: * Female subjects who identify as pregnant, self-reported positive pregnancy testing, or who are breastfeeding during the study period * Age \>85 years * Known history of known orthostatic hypotension, unexplained history of syncope, postural orthostatic tachycardia syndrome (POTS), neurally-mediated hypotension, heart failure, myocardial infarction, stable or unstable angina, history of coronary artery bypass surgery, stroke, carotid artery disease, or moderate to severe mitral or aortic stenosis * Current use of tocilizumab, sarilumab, siltuximab, lopinavir/ritonavir, remdesivir, favipiravir, alpha-blockers, combined alpha/beta blockers (carvedilol, labetalol), sotalol, clonidine, phosphodiesterase type 5 inhibitors, asenapine, or alpha-methyldopa * Need for vasopressors, inotropes, or intra-aortic balloon pump at time of enrollment * Allergy or intolerance to quinazolines (including prazosin) * Requires oxygen supplementation beyond 4 liters of oxygen/minute per nasal cannula at time of enrollment (i.e. not requiring oxygenation by non-rebreather, high-flow nasal cannula, CPAP/BiPAP, or invasive mechanical ventilation) * Patients who are in the custody of state or federal entities (prisoners)
Healthy Volunteers: False
Sex: ALL
Minimum Age: 45 Years
Maximum Age: 85 Years
Study: NCT04365257
Study Brief:
Protocol Section: NCT04365257