Study of Niclosamide in Moderate and Severe Hospitalized Coronavirus-19 (COVID-19) Patients

This is a 2 part, Phase 2/3 multi-center, double blinded, placebo-controlled study to assess the safety, tolerability, and efficacy of oral niclosamide (ANA001) in moderate and severe hospitalized COVID-19 patients compared to placebo.

Key Inclusion Criteria:

• Provide written informed consent prior to performing study procedures
• Hospitalized.
• Male or female ≥18 years of age
• Positive for severe acute respiratory syndrome coronavirus 2
• Presence of symptoms of lower respiratory tract infection (LRTI) including at least 1 of the following: fever, cough, sore throat, malaise, headache, muscle pain, or more significant lower respiratory tract symptoms, including shortness of breath
• At least 1 of the following: respiratory rate (RR) ≥20 breaths per minute, room air oxygen saturation (SpO2) <98%, requirement for supplemental oxygen, heart rate (HR) ≥90 beats per minute, or temperature >38.3°C
• Women of childbearing potential must agree to abstinent or use at least 1 form of contraception not including hormonal contraception from the day of screening through Day 30

Key Exclusion Criteria:

• Hospitalized but no longer requires ongoing inpatient care (i.e., discharge is anticipated in ≤24 hours)
• Patient is not anticipated to survive >48 hours OR is under palliative care
• Evidence of critical illness, defined by at least 1 of the following:

• Respiratory failure requiring at least 1 of the following:

• Endotracheal intubation and mechanical ventilation, oxygen delivered by high flow nasal cannula
• Noninvasive positive pressure ventilation (NIPVV), OR
• Extracorporeal membrane oxygenation (ECMO) or clinical diagnosis of respiratory failure
• Shock (defined by systolic blood pressure (BP) <90 mm Hg, or diastolic blood pressure (BP) <60 mm Hg or requiring vasopressors), OR
• Multi-organ dysfunction/failure
• Severe central nervous system (CNS) conditions
• Chronic kidney disease requiring dialysis
• Known allergy to the study drug or salicylate containing medications.
• Suspected and/or confirmed pregnancy or breastfeeding
• Current or planned participation in any other clinical trial of a treatment being developed under a US investigational new drug (IND) or emergency use authorization (EUA).
• Patients receiving chemotherapeutic agents and/or immunomodulators (including monoclonal antibodies (Mabs) or plasma transfusions) for chronic disease conditions.