Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.
Phase I Trial of Inhaled Nitric Oxide to Treat Acute Pulmonary Embolism
NCT00848731 · View on ClinicalTrials.gov ↗
Study Summary
This study will test the hypothesis that patients with acute PE and dyspnea can safely inhale NO. The secondary hypothesis is that patients who are blinded to the inhaled NO concentration will sustain subjective improvement in their perception of dyspnea based upon their reported Borg dyspnea score, during inhalation of NO. Specific aims 1. Test if patients with acute PE and shortness of breath of severity ≥ 5 on a 0-10 scale called the Borg score can have inhaled nitric oxide administered via nasal cannula or face mask in a titration protocol that increases concentration by 5 ppm in 5 min steps to a maximum of 25 ppm. 2. We will measure the number of patients who meet an absolute safety endpoint during titration. An absolute safety endpoint requires execution of a rapid weaning protocol (2 ppm decrease per minute to 0 ppm). Absolute safety endpoints: Two consecutive SBP measurements more than one min apart with both readings \< 80 mm Hg;SaO 2 \<80% for more than 15 seconds; Patient deterioration as defined by: Clinical decision for need of inotropic or pressor support for any reason, seizure, new altered mental status, focal neurological signs suggestive of cerebral ischemia, evidence of myocardial ischemia, protracted vomiting. 3. Test if the patient-reported Borg score decreases with administration of NO. Patients will not be told any details about the timing of the titration and will not be made aware of their iNO concentration when the Borg score is assessed.
Conditions Studied
Interventions
- DRUG nitric oxide
Study Locations (1)
North Carolina
- Carolinas Medical Center — Charlotte
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 25 participants |
| Start Date | 2009-02 |
| Est. Completion | 2011-05 |
| Phase | Phase 1 |
Interested in This Trial?
Always speak with your doctor before enrolling in a clinical trial.
Full Details on ClinicalTrials.gov ↗What the Registry Record Tells You About NCT00848731
The ClinicalTrials.gov registry entry for NCT00848731 describes a study currently listed as completed. It is categorized as Phase 1, which is the standard way researchers label where a study sits along the investigational pathway from early safety work through later efficacy and post-marketing evaluation. The registered enrollment target is 25 participants, a figure that helps gauge the scale of data the investigators plan to collect. The listed sponsor is Wake Forest University Health Sciences, which has 1,061 total studies on file at ClinicalTrials.gov, and sponsors are the parties responsible for study design, oversight, and regulatory filings.
The record links to 1 condition, with Pulmonary Embolism appearing as the primary indexed condition, and to 1 intervention — of which nitric oxide is the first listed. Interventions can include drugs, devices, procedures, behavioral programs, or observational arms, and each is tracked as a separate registry field so that downstream queries can filter accurately. When a trial lists multiple interventions, it usually reflects a multi-arm design or a comparison protocol rather than a single treatment being tested in isolation. The brief summary published in the registry is the clearest source of protocol intent and should be read before drawing conclusions from any sidebar tags.
Geographic footprint matters for practical reasons: NCT00848731 reports 1 study location spanning 1 distinct geographic area — top geographies include North Carolina. A larger site network tends to correlate with broader recruitment capacity, but it does not imply anything about study quality, and site-level enrollment status can diverge from the overall registry status shown above. Every data point on this page comes from the public ClinicalTrials.gov dataset and is reproduced here for reference only; it is not a medical recommendation, an endorsement of the sponsor, or an invitation to enroll. Verify current status, eligibility criteria, and contact details directly at ClinicalTrials.gov, and discuss any participation decision with your own healthcare provider.
Frequently Asked Questions
What is clinical trial NCT00848731 about?
NCT00848731 is a clinical study titled "Phase I Trial of Inhaled Nitric Oxide to Treat Acute Pulmonary Embolism". This study will test the hypothesis that patients with acute PE and dyspnea can safely inhale NO. The secondary hypothesis is that patients who are blinded to the inhaled NO concentration will sustain subjective improvement in their perception of dyspnea based upon their reported Borg dyspnea score,...
What is the current status of trial NCT00848731?
This trial is currently completed. It is a Phase 1 study. The enrollment target is 25 participants. The study started on 2009-02. Estimated completion is 2011-05.
What conditions does trial NCT00848731 study?
This clinical trial studies the following conditions: Pulmonary Embolism. These conditions were identified from the trial registry and reflect the primary focus areas of the research.
What interventions are being tested in trial NCT00848731?
The interventions under investigation include: nitric oxide (DRUG). Each intervention is being evaluated for safety and efficacy as part of this clinical study.
Who is sponsoring clinical trial NCT00848731?
This trial is sponsored by Wake Forest University Health Sciences, which has 1,061 total clinical trials registered on ClinicalTrials.gov. The sponsor is responsible for the study's design, funding, and regulatory compliance.
Where is trial NCT00848731 being conducted?
This trial has 1 study location across North Carolina. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
Learn More About Clinical Trials
How Clinical Trials Work
Understand phases 1-4, trial design, randomization, and the informed consent process.
Patient Rights in Clinical Trials
Your rights as a participant: consent, withdrawal, privacy, and who to contact.
Finding the Right Clinical Trial
A practical guide to searching trials, understanding eligibility, and evaluating options.
All Guides
Browse our complete library of clinical trial educational resources.
Read our methodology — how this data is sourced, computed, and verified.