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Terminated Phase 2 Interventional

A Study to Evaluate OP-101 (Dendrimer N-acetyl-cysteine) in Severe Coronavirus Disease 2019 (COVID-19) Patients

ClinicalTrials.gov ID: NCT04458298

Public ClinicalTrials.gov record NCT04458298. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 7, 2026, 5:32 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Two-Stage, Double-Blind, Placebo-Controlled Phase 2 Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Efficacy of OP-101 (Dendrimer N-acetyl-cysteine) in Patients With Severe COVID-19

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The primary purpose of Stage-I of this study is to evaluate the safety and tolerability of OP-101 in patients with severe COVID-19 and of Stage 2 of this study is to evaluate the efficacy of OP-101 in patients with severe COVID-19. The secondary purpose of Stage 1 and Stage 2 of this study is to determine the effect of OP-101 reducing proinflammatory cytokines biomarkers in severe COVID-19 Patients. A further secondary objective of Stage 2 of this study is: To evaluate the safety and tolerability of OP-101 in patients with severe COVID-19.

Study identification

NCT ID
NCT04458298
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Ashvattha Therapeutics, Inc.
Industry
Enrollment
28 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 10, 2020
Primary completion
Aug 11, 2022
Completion
Aug 11, 2022
Last update posted
Feb 12, 2023

2020 – 2022

United States locations

U.S. sites
8
U.S. states
6
U.S. cities
8
Facility City State ZIP Site status
Research Site Loma Linda California 92354
Research site Fort Lauderdale Florida 33316
Research site Jacksonville Florida 32209
Research Site Atlanta Georgia 30342
Research site Baltimore Maryland 21287
Research Site Sioux Falls South Dakota 57105
Research Site Amarillo Texas 79109
Research Site Houston Texas 77030

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04458298, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 12, 2023 · Synced Sep 7, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04458298 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →