CardiomyopathyDevise-CRTNCT00737490
Does Echocardiographically Guided Ventriculo-Ventricular Optimization Yield a Sustained Improvement in Echocardiographic Parameters in Cardiac Resynchronization Therapy Patients? (DEVISE CRT)
A study testing "Sequential Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343) and "Simultaneous Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343) in people with Cardiomyopathy and Heart Failure, run by Duke University at 1 site in United States.
Trial summary
The purpose of this study is to determine whether using an echocardiogram (a painless test where ultrasound is used to see your heart) while using mild electrical stimulation from your own CRT-D device to stimulate the ventricles (the lower chambers of the heart) to squeeze one slightly earlier than the other will… Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Cardiomyopathy, Heart Failure
- What is being tested?
- "Sequential Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343) and "Simultaneous Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343)
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 40 participants
- Where
- 1 siteUnited States
- Study dates
- Jun 2005to Jul 2011
- Phase
- Interventional
- 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
Who may be able to join
- LVEF </= 35% as assessed by echocardiography.
- New York Heart Association Functional Class III or IV CHF despite contemporary medical therapy for CHF.
- QRS duration of >/= 120 ms.
- Ability to provide written, informed consent.
- Age > 18 years.
- Successful implant of a biventricular/ICD pacemaker device.
Who cannot join
- Documented Chronic Atrial Fibrillation
- Life expectancy less that 6 months due to non-cardiac causes
- Inability to place a coronary sinus left ventricular pacing lead
- Pregnancy
- Scheduled cardiac surgery within the next 6 months
- Prosthetic Tricuspid Valve
Trial locations and contacts
1 site in 1 country.
United States1 site
Duke University Medical Center
Durham, North Carolina, 27710
About this study
The purpose of this study is to determine whether using an echocardiogram (a painless test where ultrasound is used to see your heart) while using mild electrical stimulation from your own CRT-D device to stimulate the ventricles (the lower chambers of the heart) to squeeze one slightly earlier than the other will show a sustained increase your heart's productivity (Cardiac Output (CO)), following implantation of a Cardiac Resynchronization Device (CRT-D). We believe that squeezing some parts of the heart earlier than others may make the heart a stronger pump.
- Conditions
- Cardiomyopathy, Heart Failure
- Being tested
- "Sequential Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343), "Simultaneous Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343)
- Medical subject headings
- Cardiomyopathies, Heart Failure
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
"Sequential Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343)Other
Echocardiographically guided optimized device programming: specifically sequential BiV pacing. "Sequential Arm"
Using one of the FDA approved St. Jude devices, depending on MD preference.
"Simultaneous Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343)Other
simultaneous BiV pacing.
Using one of the FDA approved St. Jude devices, depending on MD preference.
| Study group | Role | What they receive |
|---|---|---|
| 1 | Active comparator | Echocardiographically guided optimized device programming: specifically sequential BiV pacing. "Sequential Arm" Receives: Other: "Sequential Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343) |
| 2 | Active comparator | Simultaneous BiV pacing. "Simultaneous Arm" Receives: Other: "Simultaneous Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343) |
What is being measured
The primary outcome is the main question the study is designed to answer.
To determine if a sustained hemodynamic benefit of increased Cardiac Output is maintained in patients who undergo ECHO guided optimization of V-V timing following CRT implantation when compared to patients simultaneously biventricularly paced.
Measured: 6 months
Secondary outcomes (1)
Assessment for improvements in 1)6 minute walk 2)ECHO parameters 3)symptoms as assessed by the Minnesota Quality of Life Score.
Measured: 6 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted19 Aug 2008 (estimated)
- Study startJun 2005
- Primary completionDec 2009
- Study completionJul 2011
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for CardiomyopathyStudies of the same condition, open and under way.
- More trials run by Duke UniversityThe sponsor's other registered studies.
- 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
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Diagnosis
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Who is masked
- Participant, Outcomes assessor
- Enrolment
- 40 participants (actual)
Sponsor and investigators
- Lead sponsor
- Duke University
- Sponsor type
- University, hospital or other
- Collaborators
- Abbott Medical Devices
- Responsible party
- Sponsor
- Investigators
- Hranitzky Patrick, MD, Principal investigator, Duke UniversityPatrick Hranitzky, MD, Study director, Duke University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00737490
- Sponsor's protocol ID
- Pro00007865
- Other IDs
- 7314
- Acronym
- Devise-CRT
- Status last verified
- Apr 2013
- First submitted
- 4 May 2008
- Last updated
- 1 Aug 2014
- Results posted
- No
- Data monitoring committee
- No
Study at a glance
From the registry record, last updated by the sponsor on 1 Aug 2014. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Does Echocardiographically Guided Ventriculo-Ventricular Optimization Yield a Sustained Improvement in Echocardiographic Parameters in Cardiac Resynchronization Therapy Patients? (DEVISE CRT)
- ClinicalTrials.gov ID
- NCT00737490
- Acronym / sponsor ID
- Devise-CRT / Pro00007865
- Conditions
- Cardiomyopathy, Heart Failure
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 40 participants (actual)
- Lead sponsor
- Duke UniversityUniversity, hospital or other
- Collaborators
- Abbott Medical Devices
- Study start
- Jun 2005
- Primary completion
- Dec 2009 (actual)
- Study completion
- Jul 2011 (actual)
- First posted
- 19 Aug 2008 (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 determine whether using an echocardiogram (a painless test where ultrasound is used to see your heart) while using mild electrical stimulation from your own CRT-D device to stimulate the ventricles (the lower chambers of the heart) to squeeze one slightly earlier than the other will show a sustained increase your heart's productivity (Cardiac Output (CO)), following implantation of a Cardiac Resynchronization Device (CRT-D). We believe that squeezing some parts of the heart earlier than others may make the heart a stronger pump.
Study design
- Primary purpose
- Diagnosis
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| 1 | Active comparator | Other: "Sequential Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343)Echocardiographically guided optimized device programming: specifically sequential BiV pacing. "Sequential Arm" |
| 2 | Active comparator | Other: "Simultaneous Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343)Simultaneous BiV pacing. "Simultaneous Arm" |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (6 listed)
- LVEF </= 35% as assessed by echocardiography.
- New York Heart Association Functional Class III or IV CHF despite contemporary medical therapy for CHF.
- QRS duration of >/= 120 ms.
- Ability to provide written, informed consent.
- Age > 18 years.
Key exclusion criteria (6 listed)
- Documented Chronic Atrial Fibrillation
- Life expectancy less that 6 months due to non-cardiac causes
- Inability to place a coronary sinus left ventricular pacing lead
- Pregnancy
- Scheduled cardiac surgery within the next 6 months
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| "Sequential Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343)Echocardiographically guided optimized device programming: specifically sequential BiV pacing. "Sequential Arm" Using one of the FDA approved St. Jude devices, depending on MD preference. | Other | 1 |
| "Simultaneous Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343)simultaneous BiV pacing. Using one of the FDA approved St. Jude devices, depending on MD preference. | Other | 2 |
Primary outcome
To determine if a sustained hemodynamic benefit of increased Cardiac Output is maintained in patients who undergo ECHO guided optimization of V-V timing following CRT implantation when compared to patients simultaneously biventricularly paced.
Time frame: 6 months
1 secondary outcome
Assessment for improvements in 1)6 minute walk 2)ECHO parameters 3)symptoms as assessed by the Minnesota Quality of Life Score.
Time frame: 6 months
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 1 Aug 2014.
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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.
Hranitzky Patrick, MD principal investigator
Duke University
Patrick Hranitzky, MD study director
Duke University
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing "Sequential Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343) and "Simultaneous Arm" (Promote , model # 2207-36 or Atlas HF , model # V-343) in people with Cardiomyopathy and Heart Failure, run by Duke 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 6 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 1 Aug 2014. 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?
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.
What does the primary outcome measure?
To determine if a sustained hemodynamic benefit of increased Cardiac Output is maintained in patients who undergo ECHO guided optimization of V-V timing following CRT implantation when compared to patients simultaneously biventricularly paced. (time frame: 6 months). 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 1 Aug 2014.