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Fluid Over-loadNCT01584518

B-type Natriuretic Peptide as a Surrogate Marker Guiding Post-operative Fluid Off-loading

A study testing Furosemide in people with Fluid Over-load, run by Creighton University at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The long-range goal of this proposal is to decrease morbidity and mortality related to pulmonary edema and congestive heart failure (CHF) in post-operative patients. The short-range goal is to determine a mechanistic endpoint when therapy for impending heart failure can be initiated and terminated based on B-type… Read more about this study

Who is it for?
Ages 19 years and older
Conditions the study is for
Fluid Over-load
What is being tested?
Furosemide
Could I receive a placebo?
No, everyone receives an active treatment
How many people
50 participants
Where
1 siteUnited States
Study dates
Jul 2012to Jun 2013
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 19 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • General Surgery patients with history of coronary artery disease, congestive heart failure, pulmonary hypertension
  • Cardiac surgery patients undergoing CABG (coronary artery bypass grafting) and valve replacements

Who cannot join

  • Recent myocardial infarction (within 3 months).
  • ASA class 4 and more.
  • Emergency surgeries.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Creighton University Medical Center

    Omaha, Nebraska, 68131

Other trials in United States

About this study

Official title: B-type Natriuretic Peptide (BNP) as a Surrogate Marker Guiding Post-operative Fluid Off-loading

The long-range goal of this proposal is to decrease morbidity and mortality related to pulmonary edema and congestive heart failure (CHF) in post-operative patients. The short-range goal is to determine a mechanistic endpoint when therapy for impending heart failure can be initiated and terminated based on B-type natriuretic peptide (BNP) levels. The investigators propose to utilize changing levels of BNP as a surrogate marker for CHF.

Read the detailed description

Creighton University Medical Center is 334-bed Level I Trauma Center that hosts a wide variety of surgical and trauma patients. Many of these patients, including and especially those with pre-existing cardiac morbidities, develop symptoms of congestive heart failure (CHF) following trauma or surgical intervention because of a combination of physiological factors including third spacing followed by self-diuresis, and decreased contractility post injury. Normally, following the onset of CHF, surgeons begin treatment based on their clinical judgment of hemodynamic parameters and radiographic findings. CHF is known to increase morbidity, mortality, hospital length of stay and overall expenditure to the health care system and preventative measures and directed treatment modalities have potential to improve patient care and healthcare economics.

BNP, also known as beta-natriuretic protein or CHF peptide, is a cardiac neuro-hormone synthesized by the cardiac myocytes. It is released as a preproBNP peptide of 134 amino acids and is cleaved into proBNP (108 amino acids) and a signal peptide of 26 amino acids. ProBNP is subsequently cleaved into BNP (32 amino acids) and the inactive N-terminal proBNP peptide (NBNP; 76 amino acids). The effects of BNP are vasodilation, natriuresis and diuresis1.

Left ventricular end-diastolic wall stress (EDWS) measurement and ejection fraction are well established surrogates to predict the onset of CHF but require the invasive procedure of cardiac catheterization.

The mainstay of the treatment of CHF is diuretic drugs to try to remove excess fluid from the patient. In this project we plan to identify patients at risk for CHF and divide them into two groups. In one group BNP will be used to guide diuretic dosage and in the other conventional clinical parameters will be used.

Conditions
Fluid Over-load
Being tested
Furosemide

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • FurosemideDrug

    Also called Brand name: Lasix

    Based on clinical standard per clinician

Study groups in NCT01584518
Study groupRoleWhat they receive
CHF peptideActive comparatorDiuresis based on CHF-P
Receives: Drug: Furosemide
Non CHF peptideActive comparatorDiuresis based on clinical judgement without data for CHF-P
Receives: Drug: Furosemide

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Length of Stay

    The subjects will be evaluated preoperatively and followed post-operatively until discharge from the hospital. Length of stay

    Measured: From date of admission until date of discharge, assessed up to 1 month

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted25 Apr 2012 (estimated)
  2. Study startJul 2012
  3. Primary completionJun 2013
  4. Study completionJun 2013

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Care provider, Outcomes assessor
Enrolment
50 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01584518
Sponsor's protocol ID
11-16126
Status last verified
Apr 2016
First submitted
11 Apr 2012
Last updated
27 May 2016
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A study testing Furosemide in people with Fluid Over-load, run by Creighton University at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 27 May 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 28 Mar 2016). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Length of Stay (time frame: From date of admission until date of discharge, assessed up to 1 month). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 May 2016.

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