Heart FailureNCT00158015
Prospective Minnesota Study of ECHO Tissue Doppler Imaging in Cardiac Resynchronization Therapy
An observational study of Heart Failure, run by Hennepin Healthcare Research Institute at 7 sites in United States.
Trial summary
The purpose of this study is to assess whether tissue doppler imaging is useful in predicting which patients will respond most to Cardiac Resynchronization therapy ( a type of pacemaker) Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Heart Failure
- How many people
- 70 participants
- Where
- 7 sitesUnited States
- Study dates
- Oct 2004to Sep 2007
- Phase
- Observational
- Are there results?
- None posted in the registry
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 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: Stable Heart failure subjects receiving CRT
Who may be able to join
- Moderate or severe heart failure defined as NYHA class III-IV despite optimal pharmacological heart failure therapy.
- Stable Heart failure as defined as not hospitalized within the last month. A 12 lead electrocardiogram (ECG) obtained no more than 90 days prior to enrollment documenting a sinus rate >50bpm, QRS duration >120ms and PR interval> 150ms Ejection Fraction <35% documented within the last 6 months by one of the following methods: echo ( standard or TEE) LV gram, or MUGA Clinically indicated to receive CRT Ability to complete all the study visits including geographic stability
Who cannot join
- Serum creatinine >3.5 Have or had a Myocardial infarct, unstable angina, percutaneous coronary intervention or coronary artery bypass graft during the preceding 30 days prior to enrollment.
- Have had previous cardiac resynchronization therapy, a coronary venous pace/sense lead or attempted LV lead placement.
- Dyspnea believed by the physician to be primarily related to lung disease. Have an atrial tachyarrhythmia that is permanent ( ie does not terminate spontaneously and cannot be terminated with medical intervention)or persistent (can be terminated with medical intervention but does not terminate spontaneously)within 90 days prior to enrollment Poor sinus node function that MD predicts will require >70% atrial pacing. Inability to perform the six minute walk. Life expectancy of less than 6 months due to other medical conditions or expected to undergo heart transplant within the next 6 months.
- Have a mechanical tricuspid heart valve. Hypertrophic obstructive cardiomyopathy. Patients with a hypersensitivity to a 0.7mg nominal dose of dexamethasone. Surgically uncorrected primary valvular heart disease. Patients who are currently enrolled in another investigational study that would directly impact the treatment or outcome of the current study.
- Patients who are younger than 18 years of age, pregnant, or who are mentally incompetent and cannot sign a patient informed consent.
- -
Trial locations and contacts
7 sites in 1 country.
7 sites in 1 country
United States7 sites
Metropolitan Cardiology consultants
Coon Rapids, Minnesota, 55433
Minnesota Heart Clinic
Edina, Minnesota, 55417
University of Wisconsin
Madison, Wisconsin, 53792
Minneapolis Heart Institute
Minneapolis, Minnesota, 55407
Hennepin County Medical Center
Minneapolis, Minnesota, 55415
Regions Hospital
Saint Paul, Minnesota, 55101
St. Paul Heart Clinic
Saint Paul, Minnesota, 55102
About this study
The purpose of this study is to assess whether tissue doppler imaging is useful in predicting which patients will respond most to Cardiac Resynchronization therapy ( a type of pacemaker)
Read the detailed description
Cardiac Resynchronization Therapy (CRT) is a newly developed therapy designed to improve outcomes in patients with heart failure(HF). Recent studies have shown significant symptomatic improvement and a decrease in hospitalization and mortality with CRT. However, up to 30 % of patients do not experience improvement with this invasive and costly therapy. Tissue Doppler Imaging (TDI) is emerging as an effective tool for non-invasively assessing mechanical dyssynchrony of the left ventricle (LV) and may aid in the identification of LV mechanical dyssynchrony to predict clinical response to CRT. PROMISE-CRT is designed to address the following hypothesis: Changes in tissue doppler imaging measures of left ventricular mechanical dyssynchrony from baseline to one week following cardiac resynchronization therapy will correlate with the clinical response at three months. Seventy HF patients clinically indicated to receive CRT will be enrolled in this six-month multi-center study conducted in the Minneapolis-St. Paul metropolitan area. TDI analyses, measures of clinical improvement and LV remodeling will be conducted one week, three months, six months after CRT implementation.
- Conditions
- Heart Failure
- Keywords
- Echocardiography, tissue Doppler Imaging, Cardiac Resynchronization Therapy
- Medical subject headings
- Heart Failure
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted12 Sep 2005 (estimated)
- Study startOct 2004
- Primary completionSep 2007
- Study completionSep 2007
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Heart FailureStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Time perspective
- Prospective
- Enrolment
- 70 participants (actual)
Sponsor and investigators
- Lead sponsor
- Hennepin Healthcare Research Institute
- Sponsor type
- University, hospital or other
- Collaborators
- Guidant Corporation
- Investigators
- Alan J Bank, MD, Principal investigator, St. Paul Heart Clinic
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00158015
- Sponsor's protocol ID
- 1886-4
- Status last verified
- Oct 2012
- First submitted
- 8 Sep 2005
- Last updated
- 4 Oct 2012
- Results posted
- No
- Data monitoring committee
- No
Study at a glance
From the registry record, last updated by the sponsor on 4 Oct 2012. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Prospective Minnesota Study of ECHO Tissue Doppler Imaging in Cardiac Resynchronization Therapy
- ClinicalTrials.gov ID
- NCT00158015
- Acronym / sponsor ID
- 1886-4
- Conditions
- Heart Failure
- Keywords
- Echocardiography, tissue Doppler Imaging, Cardiac Resynchronization Therapy
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 70 participants (actual)
- Lead sponsor
- Hennepin Healthcare Research InstituteUniversity, hospital or other
- Collaborators
- Guidant Corporation
- Study start
- Oct 2004
- Primary completion
- Sep 2007 (actual)
- Study completion
- Sep 2007 (actual)
- First posted
- 12 Sep 2005 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study is to assess whether tissue doppler imaging is useful in predicting which patients will respond most to Cardiac Resynchronization therapy ( a type of pacemaker)
Detailed description
Cardiac Resynchronization Therapy (CRT) is a newly developed therapy designed to improve outcomes in patients with heart failure(HF). Recent studies have shown significant symptomatic improvement and a decrease in hospitalization and mortality with CRT. However, up to 30 % of patients do not experience improvement with this invasive and costly therapy. Tissue Doppler Imaging (TDI) is emerging as an effective tool for non-invasively assessing mechanical dyssynchrony of the left ventricle (LV) and may aid in the identification of LV mechanical dyssynchrony to predict clinical response to CRT. PROMISE-CRT is designed to address the following hypothesis: Changes in tissue doppler imaging measures of left ventricular mechanical dyssynchrony from baseline to one week following cardiac resynchronization therapy will correlate with the clinical response at three months. Seventy HF patients clinically indicated to receive CRT will be enrolled in this six-month multi-center study conducted in the Minneapolis-St. Paul metropolitan area. TDI analyses, measures of clinical improvement and LV remodeling will be conducted one week, three months, six months after CRT implementation.
Study design
- Time perspective
- Prospective
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- Stable Heart failure subjects receiving CRT
Key inclusion criteria (2 listed)
- Moderate or severe heart failure defined as NYHA class III-IV despite optimal pharmacological heart failure therapy.
- Stable Heart failure as defined as not hospitalized within the last month. A 12 lead electrocardiogram (ECG) obtained no more than 90 days prior to enrollment documenting a sinus rate >50bpm, QRS duration >120ms and PR interval> 150ms Ejection Fraction <35% documented within the last 6 months by one of the following methods: echo ( standard or TEE) LV gram, or MUGA Clinically indicated to receive CRT Ability to complete all the study visits including geographic stability
Key exclusion criteria (6 listed)
- Serum creatinine >3.5 Have or had a Myocardial infarct, unstable angina, percutaneous coronary intervention or coronary artery bypass graft during the preceding 30 days prior to enrollment.
- Have had previous cardiac resynchronization therapy, a coronary venous pace/sense lead or attempted LV lead placement.
- Dyspnea believed by the physician to be primarily related to lung disease. Have an atrial tachyarrhythmia that is permanent ( ie does not terminate spontaneously and cannot be terminated with medical intervention)or persistent (can be terminated with medical intervention but does not terminate spontaneously)within 90 days prior to enrollment Poor sinus node function that MD predicts will require >70% atrial pacing. Inability to perform the six minute walk. Life expectancy of less than 6 months due to other medical conditions or expected to undergo heart transplant within the next 6 months.
- Have a mechanical tricuspid heart valve. Hypertrophic obstructive cardiomyopathy. Patients with a hypersensitivity to a 0.7mg nominal dose of dexamethasone. Surgically uncorrected primary valvular heart disease. Patients who are currently enrolled in another investigational study that would directly impact the treatment or outcome of the current study.
- Patients who are younger than 18 years of age, pregnant, or who are mentally incompetent and cannot sign a patient informed consent.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 4 Oct 2012.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Alan J Bank, MD principal investigator
St. Paul Heart Clinic
7 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Heart Failure, run by Hennepin Healthcare Research Institute at 7 sites 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 6 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 4 Oct 2012. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 7 sites 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?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
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.
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 4 Oct 2012.