Ventricular Tachycardia Clinical Trial
— DATASOfficial title:
DATAS: The Dual Chamber & Atrial Tachyarrhythmias Adverse Events Study
NCT number | NCT00157820 |
Other study ID # | SP-DATAS |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | November 2000 |
Est. completion date | October 2005 |
Verified date | April 2024 |
Source | Medtronic Bakken Research Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The Dual Chamber & Atrial Tachyarrhythmias Adverse Events Study (DATAS) was designed to analyze the ability of dual chamber ICDs, to reduce clinically significant adverse events as compared to single chamber ICD in a non selected population with conventional indication of ICD implantation.
Status | Completed |
Enrollment | 354 |
Est. completion date | October 2005 |
Est. primary completion date | May 2005 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 100 Years |
Eligibility | Inclusion Criteria: - Meet the Class I implantation criteria for single chamber implantable cardioverter defibrillator according to the guidelines (ACC/AHA). Exclusion Criteria: - Permanent atrial fibrillation - Patients without structural heart disease - Patient meets implantation criteria for dual-chamber pacing (symptomatic sinus node disease, all 2nd Atrio-Ventricular (AV) block [except asymptomatic Mobitz I] and all 3rd degree AV block ). - Patient with previous system implanted (ICD or pacemaker). - Patients with biventricular stimulation or re-synchronization. - Patient has a mechanical right heart valve. - Patient has medical conditions that would preclude the testing required by the protocol, or limit study participation. - Patient is unwilling or unable to cooperate or give written informed consent, or the patient is a minor and legal guardians refuse to give informed consent. - Patient is or will be inaccessible for follow-up at the study center. - Patients who are enrolled or planning to enroll in other clinical trials during the clinical study. |
Country | Name | City | State |
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n/a |
Lead Sponsor | Collaborator |
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Medtronic Bakken Research Center |
Almendral J, Arribas F, Wolpert C, Ricci R, Adragao P, Cobo E, Navarro X, Quesada A; DATAS Steering Committee; DATAS Writing Committee; DATAS Investigators. Dual-chamber defibrillators reduce clinically significant adverse events compared with single-cham — View Citation
Hadid C, Almendral J, Ortiz M, Schwab JO, Janko S, Mischke K, Arribas F, Wolpert C, Ricci R, Adragao P, Cobo E, Navarro X, Quesada A. Incidence, determinants, and prognostic implications of true pleomorphism of ventricular tachycardia in patients with imp — View Citation
Quesada A, Almendral J, Arribas F, Ricci R, Wolpert C, Adragao P, Cobo E, Navarro X; DATAS Investigators. The DATAS rationale and design: a controlled, randomized trial to assess the clinical benefit of dual chamber (DDED) defibrillator. Europace. 2004 Mar;6(2):142-50. doi: 10.1016/j.eupc.2003.11.011. — View Citation
Ricci RP, Quesada A, Almendral J, Arribas F, Wolpert C, Adragao P, Zoni-Berisso M, Navarro X, DeSanto T, Grammatico A, Santini M; DATAS study Investigators. Dual-chamber implantable cardioverter defibrillators reduce clinical adverse events related to atr — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | CSAE-score Rate(Clinical Significant Adverse Events Score Rate) | Main outcome was defined as the CSAE-score during follow-up: CSAE-score rate. We assigned death as the worst outcome during the entire study; and premature cross-over as the main failure of the assigned therapy. So each CSAE was assigned 1 point but (a) death was assigned a score equal to the max number of CSAE in any individual patient in the entire study +1, and (b) premature authorized crossover was given a score equal to the max number of CSAE in any individual patient in that period. Thus, main outcome was defined as the CSAE-score over length of follow-up resulting in a CSAE-score rate. | 17 months | |
Secondary | Number of Each of the Components of the CSAE | The primary endpoint is a composite of 5 pre-determine Clinical Significant Adverse Events (CSAE): (1) all-cause mortality, (2) invasive intervention due to Cardiovascular cause, (3) hospitalization (>24h) or prolongation of hospitalization due to CV, (4) inappropriate shocks: two or more episodes with inappropriate shocks, (5) sustained symptomatic ATs that (a) require urgent termination or (b) lasted more than 48 h leading to therapeutic intervention.
Number of each of the components of CSAE, counts the number of events for each pre-determined level. |
17 months |
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