DF4 Connector System Post-Approval Study
Public ClinicalTrials.gov record NCT01638897. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to evaluate long-term performance of the DF4 Connector System. This evaluation is based on the number of DF4 lead-related complications occurring during the study compared to the number of leads enrolled in the study. The DF4 systems will be followed for 5 years after implant. This study is required by FDA as a condition of approval of the DF4 Connector Systems. This study is conducted within Medtronic's post-market surveillance platform.
Study identification
- NCT ID
- NCT01638897
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 1,778 participants
Conditions and interventions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- Not listed
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 2012 (Type not available)
- Primary completion
- Mar 2019 (Actual)
- Completion
- Mar 2019 (Actual)
- Last update posted
- Mar 20, 2019
2012 – 2019
United States locations
- U.S. sites
- 72
- U.S. states
- 32
- U.S. cities
- 72
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Birmingham | Alabama | — | — |
| Not listed | Anchorage | Alaska | — | — |
| Not listed | Gilbert | Arizona | — | — |
| Not listed | Scottsdale | Arizona | — | — |
| Not listed | Jonesboro | Arkansas | — | — |
| Not listed | Little Rock | Arkansas | — | — |
| Not listed | Bakersfield | California | — | — |
| Not listed | Chula Vista | California | — | — |
| Not listed | Rancho Mirage | California | — | — |
| Not listed | Salinas | California | — | — |
| Not listed | San Diego | California | — | — |
| Not listed | San Francisco | California | — | — |
| Not listed | Torrance | California | — | — |
| Not listed | Van Nuys | California | — | — |
| Not listed | Colorado Springs | Colorado | — | — |
| Not listed | Lakewood | Colorado | — | — |
| Not listed | Newark | Delaware | — | — |
| Not listed | Washington D.C. | District of Columbia | — | — |
| Not listed | Bradenton | Florida | — | — |
| Not listed | Clearwater | Florida | — | — |
| Not listed | Albany | Georgia | — | — |
| Not listed | Atlanta | Georgia | — | — |
| Not listed | Marietta | Georgia | — | — |
| Not listed | Indianapolis | Indiana | — | — |
| Not listed | Des Moines | Iowa | — | — |
| Not listed | Kansas City | Kansas | — | — |
| Not listed | Edgewood | Kentucky | — | — |
| Not listed | Louisville | Kentucky | — | — |
| Not listed | Baton Rouge | Louisiana | — | — |
| Not listed | Hyattsville | Maryland | — | — |
| Not listed | Takoma Park | Maryland | — | — |
| Not listed | Worcester | Massachusetts | — | — |
| Not listed | Lansing | Michigan | — | — |
| Not listed | Marquette | Michigan | — | — |
| Not listed | Robbinsdale | Minnesota | — | — |
| Not listed | Saint Louis Park | Minnesota | — | — |
| Not listed | Saint Paul | Minnesota | — | — |
| Not listed | Columbia | Missouri | — | — |
| Not listed | Kansas City | Missouri | — | — |
| Not listed | St Louis | Missouri | — | — |
| Not listed | Henderson | Nevada | — | — |
| Not listed | Morristown | New Jersey | — | — |
| Not listed | Albuquerque | New Mexico | — | — |
| Not listed | Garden City | New York | — | — |
| Not listed | Huntington | New York | — | — |
| Not listed | New York | New York | — | — |
| Not listed | Poughkeepsie | New York | — | — |
| Not listed | Utica | New York | — | — |
| Not listed | Durham | North Carolina | — | — |
| Not listed | Raleigh | North Carolina | — | — |
| Not listed | Winston-Salem | North Carolina | — | — |
| Not listed | Akron | Ohio | — | — |
| Not listed | Cincinnati | Ohio | — | — |
| Not listed | Cleveland | Ohio | — | — |
| Not listed | Toledo | Ohio | — | — |
| Not listed | Allentown | Pennsylvania | — | — |
| Not listed | Erie | Pennsylvania | — | — |
| Not listed | Lancaster | Pennsylvania | — | — |
| Not listed | Philadelphia | Pennsylvania | — | — |
| Not listed | Pittsburgh | Pennsylvania | — | — |
| Not listed | Germantown | Tennessee | — | — |
| Not listed | Kingsport | Tennessee | — | — |
| Not listed | Nashville | Tennessee | — | — |
| Not listed | Austin | Texas | — | — |
| Not listed | Plano | Texas | — | — |
| Not listed | The Woodlands | Texas | — | — |
| Not listed | Burlington | Vermont | — | — |
| Not listed | Olympia | Washington | — | — |
| Not listed | Spokane | Washington | — | — |
| Not listed | Tacoma | Washington | — | — |
| Not listed | Madison | Wisconsin | — | — |
| Not listed | Milwaukee | Wisconsin | — | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 6 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01638897, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 20, 2019 · Synced Oct 26, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT01638897 live on ClinicalTrials.gov.