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Terminated Phase 1Phase 2 Interventional

Transcranial Ultrasound in Clinical SONothrombolysis

ClinicalTrials.gov ID: NCT00504842

Public ClinicalTrials.gov record NCT00504842. 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 2, 2026, 1:12 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 1-2, Randomized, Placebo-Controlled, Single-Blind, Dose Escalation Study to Evaluate the Safety, Tolerability, and Activity of Ascending Single Doses of MRX-801 With Continuous Ultrasound Administration in Subjects With Acute Ischemic Stroke Receiving Treatment With Intravenous Tissue Plasminogen Activator

Brief summary

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

This is a randomized, placebo controlled, parallel group dose escalation trial to evaluate the safety, tolerability, and activity of four sequential dose tiers of MRX-801 and ultrasound as an adjunctive therapy to tissue plasminogen activator (tPA) treatment in subjects with acute ischemic stroke.

Study identification

NCT ID
NCT00504842
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
ImaRx Therapeutics
Industry
Enrollment
72 participants

Conditions and interventions

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
Nov 30, 2006
Primary completion
Not listed
Completion
Feb 29, 2008
Last update posted
Apr 14, 2008

2006 – 2008

United States locations

U.S. sites
13
U.S. states
11
U.S. cities
12
Facility City State ZIP Site status
University of Alabama Birmingham Alabama 35249
Barrow Neurology Clinics at St. Joseph's Hospital Phoenix Arizona 85013
Hoag Memorial Hospital Newport Beach California 92658
California Pacific Medical Center San Francisco California 94115
Colorado Neurological Institute Englewood Colorado 80113
Christiana Care Health System Newark Delaware 19718
University of Miami Miami Florida 33136
St. Louis University School of Medicine St Louis Missouri 63104
University of Rochester Rochester New York 14642
Lehigh Valley Hospital Allentown Pennsylvania 18103
Methodist Hospital Neurological Institute Houston Texas 77030
University of Texas Houston Texas 77030
Swedish Medical Center Seattle Washington 98122

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 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00504842, 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 Apr 14, 2008 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00504842 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →