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Tundra Space

Clinical Research Directory

Browse clinical research sites, groups, and studies.

3 clinical studies listed.

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SARS-CoV2

Tundra lists 3 SARS-CoV2 clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.

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WITHDRAWN

NCT04446065

Previfenon® as Chemoprophylaxis of COVID-19 in Health Workers

The purpose of this clinical trial is to determine the efficacy of Previfenon® (EGCG) to prevent COVID-19, enhance systemic immunity, and decrease the frequency and intensity of selected symptoms when used as pre-exposure chemoprophylaxis to SARS-CoV-2.

Gender: All

Ages: 25 Years - Any

Updated: 2026-10-19

COVID-19
SARS-CoV2
ACTIVE NOT RECRUITING

NCT06672055

A Study to Evaluate VXA-CoV2-3.3 COVID-19 Vaccine Against Currently Approved/Authorized mRNA COVID-19 Injectable Booster Vaccine in Adults Previously Immunized Against COVID-19 Infection

The primary objective of the study is to determine the relative efficacy of the investigational oral severe acute respiratory syndrome coronavirus 2 (SARS-CoV2) vaccine tablet VXA-CoV2-3.3 compared to a currently recommended vaccine for the prevention of symptomatic Coronavirus Disease 2019 (COVID-19). In order to represent a more recently circulating SARS-CoV-2 variant, the main study endpoints will now evaluate the VXA-CoV2-3.3 (KP.2 strain) vaccine, and not the VXA-CoV2-3.1 (XBB.1.5 strain) vaccine.

Gender: All

Ages: 18 Years - Any

Updated: 2026-10-09

37 states

SARS-CoV2
COVID-19
TERMINATED

NCT04472728

Efficacy and Safety of BIO101 in the Prevention of Respiratory Deterioration in Hospitalized COVID-19 Patients

The COVA clinical study is a global multicentric, double-blind, placebo-controlled, group sequential and adaptive 2 parts phase 2-3 study targeting in participants with SARS-CoV-2 pneumonia. Part 1 is a Phase 2 exploratory Proof of Concept (PoC) study to provide preliminary data on the activity, safety and tolerability of BIO101 in the target population. Part 2 is a phase 3 pivotal randomized study to provide further evidence of safety and efficacy of BIO101 after 28 days of double-blind dosing. BIO101 is the investigational new drug that activates the Mas receptor (MasR) through the protective arm of the Renin Angiotensin System (RAS).

Gender: All

Ages: 45 Years - Any

Updated: 2026-08-12

10 states

Covid-19
SARS-CoV2