Phase III DAS181 Lower Tract PIV Infection in Immunocompromised Subjects (Substudy: DAS181 for COVID-19): RCT Study

ClinicalTrials.gov ID: NCT03808922

Public ClinicalTrials.gov record NCT03808922. 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.

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ClinicalTrials.gov public records Last synced Sep 6, 2026, 11:07 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 Phase III Randomized Placebo-Controlled Study to Examine the Efficacy and Safety of DAS181 for the Treatment of Lower Respiratory Tract Parainfluenza Infection in Immunocompromised Subjects

Brief summary

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

This study will seek to enroll immunocompromised patients with Lower Tract parainfluenza infection. It also contains a sub-study to enroll patients with severe COVID-19.

Study identification

NCT ID: NCT03808922
Recruitment status: Recruiting
Study type: Interventional
Phase: Phase 3
Lead sponsor: Ansun Biopharma, Inc.; Industry
Enrollment: 274 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range: Not listed
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: May 22, 2019
Primary completion: Aug 31, 2028
Completion: Aug 31, 2028
Last update posted: Jun 22, 2026

2019 – 2028

United States locations

U.S. sites: 23
U.S. states: 18
U.S. cities: 20

Facility	City	State	ZIP	Site status
City of Hope cancer Center	Duarte	California	91010	Recruiting
University of California Davis Health System	Sacramento	California	95817	Recruiting
Ann & Robert H. Lurie Children's Hospital of Chicago	Chicago	Illinois	60611	Recruiting
University of Iowa Health Care	Iowa City	Iowa	52242	Recruiting
University of Kansas Medical Center	Fairway	Kansas	66205	Recruiting
The Johns Hopkins Hospital	Baltimore	Maryland	21205	Withdrawn
Brigham and Women's Hospital	Boston	Massachusetts	02115	Recruiting
Mayo Clinic Rochester	Rochester	Minnesota	55905	Recruiting
Washington University	St Louis	Missouri	63112	Withdrawn
Weill Cornell Medical College	New York	New York	10065	Recruiting
Duke University	Durham	North Carolina	27710	Recruiting
Cincinnati Children's Hospital Medical Center	Cincinnati	Ohio	45267	Recruiting
University of Oklahoma Health Sciences Center	Oklahoma City	Oklahoma	73104	Recruiting
Oregon Health & Science University	Portland	Oregon	97239	Withdrawn
University of Pittsburgh Medical Center Health System	Pittsburgh	Pennsylvania	15213	Recruiting
UT Southwestern Medical Center	Dallas	Texas	75390	Recruiting
Baylor College of Medicine	Houston	Texas	77030	Recruiting
MD Anderson	Houston	Texas	77030	Recruiting
VCU Health System	Richmond	Virginia	23298	Recruiting
Seattle Children's Hospital	Seattle	Washington	98105	Recruiting
Fred Hutchinson Cancer Center	Seattle	Washington	98109	Recruiting
Fred Hutchinson Cancer Research Center	Seattle	Washington	98109	Recruiting
Froedtert Medical College Pulmonary Clinic	Milwaukee	Wisconsin	53266	Completed

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 5 non-U.S. sites.

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT03808922, 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 Jun 22, 2026 · Synced Sep 6, 2026

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03808922 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →