ClinicalTrials.gov record
Allopurinol Outcome Study
ClinicalTrials.gov ID: NCT01391325
Public ClinicalTrials.gov record NCT01391325. 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
Long-term Allopurinol Safety Study Evaluating Outcomes in Gout Patients (LASSO)
Study identification
- NCT ID
- NCT01391325
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- Ardea Biosciences, Inc.
- Industry
- Enrollment
- 1,735 participants
Conditions and interventions
Conditions
Interventions
- Allopurinol Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 85 Years
- 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
- Jun 30, 2011
- Primary completion
- Dec 31, 2012
- Completion
- Feb 28, 2013
- Last update posted
- Jun 16, 2014
2011 – 2013
United States locations
- U.S. sites
- 127
- U.S. states
- 38
- U.S. cities
- 116
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Birmingham | Alabama | 35242 | — |
| Not listed | Birmingham | Alabama | 35294 | — |
| Not listed | Bringham | Alabama | 35216 | — |
| Not listed | Calera | Alabama | 35040 | — |
| Not listed | Huntsville | Alabama | 35801 | — |
| Not listed | Mobile | Alabama | 36608 | — |
| Not listed | Chandlers | Arizona | 85224 | — |
| Not listed | Green Valley | Arizona | 85614 | — |
| Not listed | Jonesboro | Arizona | 72401 | — |
| Not listed | Phoenix | Arizona | 85028 | — |
| Not listed | Phoenix | Arizona | 85050 | — |
| Not listed | Tucson | Arizona | 85704 | — |
| Not listed | Little Rock | Arkansas | 72204 | — |
| Not listed | Little Rock | Arkansas | 72205 | — |
| Not listed | Anaheim | California | 92805 | — |
| Not listed | Carmichael | California | 95608 | — |
| Not listed | Covina | California | 91723 | — |
| Not listed | Hemet | California | 92543 | — |
| Not listed | Irvine | California | 92618 | — |
| Not listed | Los Angeles | California | 90048 | — |
| Not listed | Mission Viejo | California | 92691 | — |
| Not listed | Pasadena | California | 91107 | — |
| Not listed | Sacramento | California | 95816 | — |
| Not listed | San Diego | California | 92108 | — |
| Not listed | San Ramon | California | 94583 | — |
| Not listed | Santa Maria | California | 93454 | — |
| Not listed | Weslake Village | California | 91361 | — |
| Not listed | Denver | Colorado | 80220 | — |
| Not listed | Englewood | Colorado | 80113 | — |
| Not listed | Danbury | Connecticut | 06810 | — |
| Not listed | Trumbull | Connecticut | 06611 | — |
| Not listed | Brandenton | Florida | 34208 | — |
| Not listed | Brandon | Florida | 33511 | — |
| Not listed | Brooksville | Florida | 34601 | — |
| Not listed | East Brandenton | Florida | 34208 | — |
| Not listed | Fleming Island | Florida | 32003 | — |
| Not listed | Jacksonville | Florida | 32205 | — |
| Not listed | Jacksonville | Florida | 32216 | — |
| Not listed | Jupiter | Florida | 33458 | — |
| Not listed | Miami | Florida | 33135 | — |
| Not listed | Oldsmar | Florida | 34677 | — |
| Not listed | Orlando | Florida | 32804 | — |
| Not listed | Ormond Beach | Florida | 32174 | — |
| Not listed | Plant City | Florida | 33563 | — |
| Not listed | Port Orange | Florida | 32127 | — |
| Not listed | Sanford | Florida | 32771 | — |
| Not listed | St. Petersburg | Florida | 33709 | — |
| Not listed | Tampa | Florida | 33606 | — |
| Not listed | Vero Beach | Florida | 32960 | — |
| Not listed | Winter Haven | Florida | 33880 | — |
| Not listed | Zephyrhills | Florida | 33542 | — |
| Not listed | Atlanta | Georgia | 30308 | — |
| Not listed | Newnan | Georgia | 30265 | — |
| Not listed | Honolulu | Hawaii | 96814 | — |
| Not listed | Meridian | Idaho | 83646 | — |
| Not listed | Addison | Illinois | 60101 | — |
| Not listed | Chicago | Illinois | 60612 | — |
| Not listed | Chicago | Illinois | 60637 | — |
| Not listed | Gurnee | Illinois | 60031 | — |
| Not listed | Evansville | Indiana | 47713 | — |
| Not listed | Elizabethtown | Kentucky | 42701 | — |
| Not listed | Lexington | Kentucky | 40504 | — |
| Not listed | Louisville | Kentucky | 40213 | — |
| Not listed | Monroe | Louisiana | 71203 | — |
| Not listed | Cumberland | Maryland | 21502 | — |
| Not listed | Frederick | Maryland | 21702 | — |
| Not listed | Hagerstown | Maryland | 21740 | — |
| Not listed | Wheaton | Maryland | 20902 | — |
| Not listed | Hyannis | Massachusetts | 02601 | — |
| Not listed | Worcester | Massachusetts | 01605 | — |
| Not listed | South Traverse City | Michigan | 49684 | — |
| Not listed | Rochester | Minnesota | 55905 | — |
| Not listed | Olive Branch | Mississippi | 38654 | — |
| Not listed | Florissant | Missouri | 63031 | — |
| Not listed | Kansas City | Missouri | 64114 | — |
| Not listed | St Louis | Missouri | 63117 | — |
| Not listed | St Louis | Missouri | 63128 | — |
| Not listed | Omaha | Nebraska | 68114 | — |
| Not listed | Las Vegas | Nevada | 89119 | — |
| Not listed | Reno | Nevada | 89502 | — |
| Not listed | Nashua | New Hampshire | 03060 | — |
| Not listed | Albuquerque | New Mexico | 87102 | — |
| Not listed | Albuquerque | New Mexico | 87106 | — |
| Not listed | Albany | New York | 12206 | — |
| Not listed | Endwell | New York | 13760 | — |
| Not listed | Hartsdale | New York | 10530 | — |
| Not listed | Charlotte | North Carolina | 28210 | — |
| Not listed | Harrisburg | North Carolina | 28075 | — |
| Not listed | Hickory | North Carolina | 28602 | — |
| Not listed | Raleigh | North Carolina | 27609 | — |
| Not listed | Raleigh | North Carolina | 27612 | — |
| Not listed | Wilmington | North Carolina | 28401 | — |
| Not listed | Fargo | North Dakota | 58103 | — |
| Not listed | Cincinnati | Ohio | 45224 | — |
| Not listed | Cincinnati | Ohio | 45242 | — |
| Not listed | Cleveland | Ohio | 44122 | — |
| Not listed | Columbus | Ohio | 43203 | — |
| Not listed | Dayton | Ohio | 45417 | — |
| Not listed | Middleburg Heights | Ohio | 44130 | — |
| Not listed | Oklahoma City | Oklahoma | 73103 | — |
| Not listed | Eugene | Oregon | 97402 | — |
| Not listed | Portland | Oregon | 97220 | — |
| Not listed | Altoona | Pennsylvania | 16602 | — |
| Not listed | Duncansville | Pennsylvania | 16635 | — |
| Not listed | Lancaster | Pennsylvania | 17601 | — |
| Not listed | Charleston | South Carolina | 29407 | — |
| Not listed | Mt. Pleasant | South Carolina | 29464 | — |
| Not listed | Spartanburg | South Carolina | 29303 | — |
| Not listed | Jackson | Tennessee | 38305 | — |
| Not listed | Spring Hill | Tennessee | 37174 | — |
| Not listed | Dallas | Texas | 75216 | — |
| Not listed | Dallas | Texas | 75235 | — |
| Not listed | Houston | Texas | 77074 | — |
| Not listed | Houston | Texas | 77088 | — |
| Not listed | Irving | Texas | 75061 | — |
| Not listed | Mesquite | Texas | 75150 | — |
| Not listed | San Antonio | Texas | 78229 | — |
| Not listed | Sugar Land | Texas | 77479 | — |
| Not listed | Bountiful | Utah | 84010 | — |
| Not listed | West Jordan | Utah | 84088 | — |
| Not listed | Arlington | Virginia | 22205 | — |
| Not listed | Richmond | Virginia | 23294 | — |
| Not listed | Port Orchard | Washington | 98366 | — |
| Not listed | Seattle | Washington | 98122 | — |
| Not listed | Spokane | Washington | 99208 | — |
| Not listed | Tacoma | Washington | 98405 | — |
| Not listed | Morgantown | West Virginia | 26505 | — |
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 46 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01391325, 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 Jun 16, 2014 · Synced Jul 22, 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 protocol, eligibility criteria, and contact information for NCT01391325 live on ClinicalTrials.gov.