ClinicalTrials.gov record
A Study to Determine if Identification of Undiagnosed Atrial Fibrillation in People at Least 70 Years of Age Reduces the Risk of Stroke
ClinicalTrials.gov ID: NCT04126486
Public ClinicalTrials.gov record NCT04126486. 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.
Official title
GUARD-AF: reducinG Stroke by Screening for UndiAgnosed atRial Fibrillation in Elderly inDividuals
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to determine if an AF detection intervention in men and women at least 70 years of age with undiagnosed atrial fibrillation (AF) or atrial flutter (AFL) reduces the person-years incidence rate of stroke compared to usual care (no AF detection intervention).
Study identification
- NCT ID
- NCT04126486
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 11,931 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 70 Years and older
- 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
- Dec 17, 2019 (Actual)
- Primary completion
- Jun 30, 2023 (Actual)
- Completion
- Jun 30, 2023 (Actual)
- Last update posted
- Jul 12, 2023
2019 – 2023
United States locations
- U.S. sites
- 176
- U.S. states
- 32
- U.S. cities
- 144
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Local Institution - 0302 | Birmingham | Alabama | 35209 | — |
| Local Institution - 0360 | Guntersville | Alabama | 35976 | — |
| Local Institution - 0158 | Montgomery | Alabama | 36106 | — |
| Local Institution - 0109 | Kingman | Arizona | 86409 | — |
| Local Institution - 0047 | Peoria | Arizona | 85381 | — |
| Local Institution - 0237 | Peoria | Arizona | 85381 | — |
| Local Institution - 0171 | Phoenix | Arizona | 85004 | — |
| Local Institution - 0271 | Phoenix | Arizona | 85051 | — |
| Local Institution - 0323 | Yuma | Arizona | 85364 | — |
| Local Institution - 0097 | Little Rock | Arkansas | 72204 | — |
| Hope Clinical Research | Canoga Park | California | 91303 | — |
| Local Institution - 0173 | Fremont | California | 94538 | — |
| Local Institution - 0110 | Fullerton | California | 92831 | — |
| Local Institution - 0301 | Oakland | California | 94612 | — |
| Local Institution - 0248 | Sacramento | California | 95821-2640 | — |
| Local Institution - 0061 | Toluca Lake | California | 91602 | — |
| Local Institution | Aventura | Florida | 33180 | — |
| Local Institution - 0143 | Boynton Beach | Florida | 33435 | — |
| Local Institution - 0232 | Clearwater | Florida | 33756-2004 | — |
| Local Institution - 0017 | Clearwater | Florida | 33761 | — |
| Local Institution - 0062 | DeLand | Florida | 32720 | — |
| University Clinical Research-Deland LLC dba Accel Research Sites | DeLand | Florida | 32720 | — |
| Local Institution - 0350 | Doral | Florida | 33166 | — |
| Local Institution - 0367 | Fort Lauderdale | Florida | 33073 | — |
| Local Institution - 0161 | Fort Lauderdale | Florida | 33308 | — |
| Vanguard Clinical Research, LLC | Fort Myers | Florida | 33907 | — |
| Finlay Medical Research Corp | Greenacres City | Florida | 33467 | — |
| Local Institution - 0348 | Hialeah | Florida | 33012 | — |
| Local Institution - 0358 | Hialeah | Florida | 33015 | — |
| Local Institution - 0219 | Hialeah | Florida | 33016 | — |
| Local Institution - 0366 | Jacksonville | Florida | 32204 | — |
| Local Institution - 0368 | Jacksonville | Florida | 32216 | — |
| Local Institution - 0277 | Jacksonville | Florida | 32224 | — |
| Local Institution - 0375 | Lake City | Florida | 32055-4833 | — |
| Nova Clinical Research Center Inc | Miami | Florida | 33125 | — |
| Local Institution - 0025 | Miami | Florida | 33144 | — |
| Local Institution - 0296 | Miami | Florida | 33144 | — |
| Local Institution | Miami | Florida | 33155 | — |
| Local Institution | Miami | Florida | 33165 | — |
| Local Institution - 0300 | Miami | Florida | 33174 | — |
| Local Institution - 0371 | Miami | Florida | 33175 | — |
| Local Institution | Miami | Florida | 33176 | — |
| Local Institution - 0149 | Miami Beach | Florida | 33140 | — |
| Local Institution - 0374 | Miami Lakes | Florida | 33014 | — |
| Local Institution - 0372 | Miami Shores | Florida | 33138 | — |
| Local Institution - 0010 | Mt. Dora | Florida | 32757-9519 | — |
| Local Institution - 0058 | Oviedo | Florida | 32765-4515 | — |
| Local Institution - 0132 | Palm Harbor | Florida | 34684 | — |
| Local Institution - 0034 | Palm Springs | Florida | 33406 | — |
| Local Institution - 0028 | Tampa | Florida | 33613 | — |
| Local Institution - 0090 | Tampa | Florida | 33615 | — |
| Local Institution - 0361 | Weston | Florida | 33326 | — |
| Local Institution - 0263 | Albany | Georgia | 31701 | — |
| Local Institution - 0027 | Atlanta | Georgia | 30345 | — |
| Local Institution | Columbus | Georgia | 31904 | — |
| Local Institution - 0033 | Eatonton | Georgia | 31024 | — |
| Local Institution - 0176 | Fayetteville | Georgia | 30214 | — |
| Local Institution - 0214 | Rincon | Georgia | 31406 | — |
| Local Institution - 0098 | Savannah | Georgia | 31406 | — |
| Local Institution - 0123 | Woodstock | Georgia | 30189 | — |
| Local Institution - 0311 | Chicago | Illinois | 60637 | — |
| Local Institution - 0345 | Evergreen Park | Illinois | 60805 | — |
| Local Institution - 0241 | Gillespie | Illinois | 62033 | — |
| Local Institution - 0306 | Wauconda | Illinois | 60084 | — |
| Local Institution - 0365 | Indianapolis | Indiana | 46202 | — |
| Local Institution - 0254 | Michigan City | Indiana | 46360-9330 | — |
| Local Institution - 0338 | Ames | Iowa | 50010 | — |
| University of Iowa | Iowa City | Iowa | 52242 | — |
| Local Institution - 0244 | Wichita | Kansas | 67214 | — |
| Local Institution - 0369 | Lexington | Kentucky | 40504 | — |
| Local Institution - 0133 | Eunice | Louisiana | 70535 | — |
| Local Institution - 0321 | New Orleans | Louisiana | 70121 | — |
| Local Institution - 0229 | Zachary | Louisiana | 70791-4006 | — |
| Local Institution - 0351 | Annapolis | Maryland | 21401 | — |
| Johns Hopkins | Baltimore | Maryland | 21287 | — |
| Local Institution - 0037 | Elkridge | Maryland | 21075 | — |
| Local Institution - 0095 | Rockville | Maryland | 20854 | — |
| Local Institution - 0284 | Boston | Massachusetts | 02114 | — |
| Local Institution - 0051 | Boston | Massachusetts | 02115 | — |
| Local Institution - 0333 | Haverhill | Massachusetts | 01830 | — |
| Local Institution - 0201 | New Bedford | Massachusetts | 02740 | — |
| Local Institution - 0227 | Worcester | Massachusetts | 01655 | — |
| Local Institution - 0260 | Caro | Michigan | 48723 | — |
| Local Institution - 0005 | Detroit | Michigan | 48216 | — |
| Local Institution - 0166 | Sterling Heights | Michigan | 48310 | — |
| Local Institution - 0257 | Troy | Michigan | 48085 | — |
| Local Institution - 0256 | Rochester | Minnesota | 55905-0001 | — |
| Belzoni Family Practice | Belzoni | Mississippi | 39038 | — |
| Local Institution - 0089 | Jackson | Mississippi | 39209 | — |
| Local Institution - 0224 | Petal | Mississippi | 39465 | — |
| Local Institution - 0060 | Picayune | Mississippi | 39466 | — |
| Quinn Healthcare/SKYCRNG | Ridgeland | Mississippi | 39157 | — |
| Local Institution - 0116 | St Louis | Missouri | 63123 | — |
| Local Institution - 0063 | Norfolk | Nebraska | 68701 | — |
| Local Institution - 0222 | Henderson | Nevada | 89014 | — |
| Local Institution | Las Vegas | Nevada | 89109 | — |
| Local Institution - 0334 | Linden | New Jersey | 07036 | — |
| Local Institution - 0249 | Brooklyn | New York | 11229 | — |
| Local Institution - 0362 | Cooperstown | New York | 13326 | — |
| Local Institution | East Syracuse | New York | 13057 | — |
| Local Institution - 0102 | Endwell | New York | 13760 | — |
| Local Institution - 0379 | Niagara Falls | New York | 14304 | — |
| Digiovanna Institute For Medical Education | North Massapequa | New York | 11758 | — |
| Local Institution | Black Mountain | North Carolina | 28711 | — |
| Local Institution - 0328 | Burlington | North Carolina | 27215 | — |
| Local Institution - 0164 | Cary | North Carolina | 27615 | — |
| PMG Research of Charlotte, LLC | Charlotte | North Carolina | 28209 | — |
| Local Institution - 0207 | Charlotte | North Carolina | 28287 | — |
| Local Institution - 0006 | Durham | North Carolina | 27701 | — |
| Local Institution | Fayetteville | North Carolina | 28304-3571 | — |
| Local Institution - 0268 | Franklinton | North Carolina | 27525 | — |
| Local Institution - 0258 | Greensboro | North Carolina | 27408 | — |
| Local Institution - 0159 | Hickory | North Carolina | 28601 | — |
| Local Institution - 0331 | Matthews | North Carolina | 28105 | — |
| Local Institution - 0230 | Raleigh | North Carolina | 27609 | — |
| Local Institution - 0175 | Rocky Mount | North Carolina | 27804 | — |
| Local Institution - 0253 | Salisbury | North Carolina | 28144 | — |
| Local Institution - 0153 | Statesville | North Carolina | 28625 | — |
| Local Institution - 0182 | Statesville | North Carolina | 28625 | — |
| Local Institution - 0235 | Wilmington | North Carolina | 28401-7307 | — |
| Local Institution - 0167 | Winston-Salem | North Carolina | 27103-4109 | — |
| Sterling Research Group | Cincinnati | Ohio | 45219 | — |
| Local Institution - 0085 | Cincinnati | Ohio | 45246 | — |
| Local Institution - 0283 | Cleveland | Ohio | 44195 | — |
| Local Institution - 0036 | Columbus | Ohio | 43213-3399 | — |
| Dayton Clinical Research | Dayton | Ohio | 45406 | — |
| Local Institution - 0212 | Dayton | Ohio | 45419 | — |
| Local Institution - 0129 | Philadelphia | Pennsylvania | 19107 | — |
| Local Institution - 0272 | Pittsburgh | Pennsylvania | 15208 | — |
| Local Institution - 0236 | Pittsburgh | Pennsylvania | 15236-4604 | — |
| Local Institution - 0349 | Pittsburgh | Pennsylvania | 15243 | — |
| Local Institution - 0347 | Uniontown | Pennsylvania | 15401 | — |
| Local Institution - 0370 | Uniontown | Pennsylvania | 15401 | — |
| Local Institution - 0240 | East Providence | Rhode Island | 02914 | — |
| Local Institution - 0155 | Bristol | Tennessee | 37620 | — |
| Local Institution - 0234 | Knoxville | Tennessee | 37912 | — |
| Local Institution - 0324 | Morristown | Tennessee | 37813 | — |
| Local Institution - 0309 | Nashville | Tennessee | 37212 | — |
| Wellness Clinical Research | Allen | Texas | 75013 | — |
| Local Institution - 0187 | Austin | Texas | 78731 | — |
| Local Institution - 0243 | Austin | Texas | 78745 | — |
| HRMD Research | Dallas | Texas | 75240 | — |
| Local Institution - 0242 | Denton | Texas | 76210 | — |
| Invesclinic.U.S,LLC | Edinburg | Texas | 78539 | — |
| Local Institution - 0141 | Friendswood | Texas | 77546 | — |
| Local Institution - 0354 | Georgetown | Texas | 78628 | — |
| Local Institution - 0011 | Houston | Texas | 77070 | — |
| Local Institution - 0343 | Houston | Texas | 77095 | — |
| Local Institution - 0016 | Hurst | Texas | 76054-3351 | — |
| Local Institution - 0151 | Laredo | Texas | 78041 | — |
| Local Institution - 0170 | Mesquite | Texas | 75149 | — |
| Local Institution - 0101 | Pearland | Texas | 77584-7401 | — |
| Local Institution - 0223 | Pflugerville | Texas | 78660 | — |
| Local Institution - 0303 | Pharr | Texas | 78577 | — |
| Local Institution - 0204 | Plano | Texas | 75025 | — |
| Local Institution - 0067 | Plano | Texas | 75093 | — |
| SA Premiere Internal Medicine | San Antonio | Texas | 78220-2531 | — |
| Local Institution - 0092 | San Antonio | Texas | 78249 | — |
| Local Institution - 0278 | San Marcos | Texas | 78666-7579 | — |
| Local Institution - 0055 | Sugar Land | Texas | 77479 | — |
| Local Institution - 0137 | Sugar Land | Texas | 77479 | — |
| Local Institution - 0251 | The Woodlands | Texas | 77382 | — |
| Local Institution - 0147 | The Woodlands | Texas | 77384 | — |
| Local Institution - 0322 | Tyler | Texas | 75702 | — |
| Local Institution - 0150 | Bountiful | Utah | 84010 | — |
| Local Institution - 0339 | Appomattox | Virginia | 24522 | — |
| Local Institution - 0191 | Burke | Virginia | 22015 | — |
| Local Institution - 0340 | Forest | Virginia | 24551 | — |
| Local Institution - 0267 | Suffolk | Virginia | 23435 | — |
| Local Institution - 0096 | Winchester | Virginia | 22601 | — |
| Local Institution - 0364 | Winchester | Virginia | 22601 | — |
| Local Institution - 0086 | Everett | Washington | 98208 | — |
| Local Institution - 0299 | Tacoma | Washington | 98498 | — |
| Local Institution - 0337 | Eau Claire | Wisconsin | 54703 | — |
| Local Institution - 0335 | La Crosse | Wisconsin | 54601 | — |
| Local Institution - 0288 | Madison | Wisconsin | 53715 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04126486, 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 Jul 12, 2023 · Synced Oct 28, 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 NCT04126486 live on ClinicalTrials.gov.