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Clinical Trial Summary

The purpose of this study is to assess the safety and efficacy of orally administered NLRP3 inhibitor, dapansutrile, for the treatment of moderate COVID-19 symptoms and early cytokine release syndrome (CRS) in patients with confirmed SARS-CoV-2 infection and moderate symptoms. Coronavirus disease 2019 (COVID-19) is caused by infection from a new strain of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). COVID-19 is characterized by fever, cough and shortness of breath, which in certain patients can lead to systemic organ failure and mortality. The data show that SARS-CoV-2 activates the innate immune signaling sensor NLRP3. Activation of NLRP3 initiates the cytokine release syndrome (CRS), which includes the production of primary cytokine, IL-1, triggering an intense inflammatory response that is prevalent in symptomatic COVID-19 patients. When CRS advances further to a fulminant 'cytokine storm', the data show that respiratory distress syndrome and multiple-organ failure take place. A specific inhibitor of NLRP3, dapansutrile may reduce or prevent the hyperinflammation associated with CRS by inhibiting the production of IL-1β early to arrest the progression to a severe 'cytokine storm.' The end result would be a reduction in the need for COVID-19 patients to receive intensive medical treatment, allowing for fewer hospitalizations, administration of mechanical ventilation and deaths.


Clinical Trial Description

This is a Phase 2, randomized, double-blind, placebo-controlled study evaluating dapansutrile versus placebo. Approximately 80 subjects randomized 1:1 (40 dapansutrile, 40 placebo) are planned to be enrolled. At the Screening/Baseline/Day 1 Visit, subjects will provide informed consent, be screened for eligibility, and be randomized/enrolled into the study. Subjects will also receive the first dose of study drug at this visit once study eligibility has been confirmed, and the second dose of study drug will be taken approximately 12 hours after the first dose. Study drug will be continued twice daily (morning and evening doses) through Day 14. The trial duration will be approximately 45 days for all subjects enrolled, with assessments as follows: Screening/Baseline/Day 1, Day 4 (±1 day), Day 8 (±1 day), Day 15 (±1 day), Day 29 (±3 days), and Day 45 (± 3 days). The Day 29 and Day 45 follow-up visits will be conducted virtually via the institution's telehealth process. Each subject will be asked to maintain two paper diaries at home daily for the first 14 days: a dosing diary and a subject diary. The dosing diary will be used to record the number of capsules taken each morning and evening. The subject diary will be used to record temperature, oxygen levels, COVID-19 symptoms, and overall health (using the prior 24-hour period for parameters requiring subject recall). The set of questions used in the subject diary will also be administered to the subjects at the Screening/Baseline/Day 1 Visit (pre-dose), Day 15, Day 29, and Day 45 visits. Each subject will be provided a no-contact thermometer and a hand-held pulse oximeter at the Screening/Baseline/Day 1 Visit for home use. At Day 29 and Day 45, additional assessments of safety and clinical activity will occur. The Day 29 and Day 45 follow-up visits will be conducted virtually via the sites' telehealth process. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04540120
Study type Interventional
Source Olatec Therapeutics LLC
Contact
Status Terminated
Phase Phase 2
Start date September 24, 2020
Completion date July 28, 2022

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