ClinicalTrials.gov record
A 12-Week Study With a 4-Week Randomized Withdrawal Period to Evaluate the Efficacy and Safety of Tenapanor for the Treatment of IBS-C
ClinicalTrials.gov ID: NCT02621892
Public ClinicalTrials.gov record NCT02621892. 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
A 12-Week, Randomized, Double-Blind, Placebo-Controlled Study With a 4-Week Randomized Withdrawal Period to Evaluate the Efficacy and Safety of Tenapanor for the Treatment of Constipation-Predominant Irritable Bowel Syndrome (IBS-C)
Study identification
- NCT ID
- NCT02621892
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Ardelyx
- Industry
- Enrollment
- 606 participants
Conditions and interventions
Interventions
- Tenapanor Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 75 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
- Sep 30, 2015
- Primary completion
- Feb 28, 2017
- Completion
- Mar 31, 2017
- Last update posted
- Apr 20, 2020
2015 – 2017
United States locations
- U.S. sites
- 111
- U.S. states
- 29
- U.S. cities
- 95
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Ardelyx Investigative Site 149 | Birmingham | Alabama | 35216 | — |
| Ardelyx Investigative Site 114 | Birmingham | Alabama | 35242 | — |
| Ardelyx Investigative Site 103 | Huntsville | Alabama | 35801 | — |
| Ardelyx Investigative Site 100 | Huntsville | Alabama | 35802 | — |
| Ardelyx Investigative Site 145 | Chandler | Arizona | 85224 | — |
| Ardelyx Investigative Site 210 | Phoenix | Arizona | 85018 | — |
| Ardelyx Investigative Site 296 | Phoenix | Arizona | 85018 | — |
| Ardelyx Investigative Site 277 | Tempe | Arizona | 85283 | — |
| Ardelyx Investigative Site 269 | Tucson | Arizona | 85704 | — |
| Ardelyx Investigative Site 187 | Tucson | Arizona | 85712 | — |
| Ardelyx Investigative Site 199 | Tucson | Arizona | 85741 | — |
| Ardelyx Investigative Site 140 | Harrisburg | Arkansas | 72432 | — |
| Ardelyx Investigative Site 274 | Little Rock | Arkansas | 72209 | — |
| Ardelyx Investigative Site 161 | Little Rock | Arkansas | 72211 | — |
| Ardelyx Investigative Site 122 | Little Rock | Arkansas | 72212 | — |
| Ardelyx Investigative Site 129 | North Little Rock | Arkansas | 72117 | — |
| Ardelyx Investigative Site 105 | Canoga Park | California | 91303 | — |
| Ardelyx Investigative Site 143 | Chula Vista | California | 91910 | — |
| Ardelyx Investigative Site 146 | Encino | California | 91436 | — |
| Ardelyx Investigative Site 147 | Encino | California | 91436 | — |
| Ardelyx Investigative Site 107 | Lomita | California | 90717 | — |
| Ardelyx Investigative Site 112 | North Hollywood | California | 91606 | — |
| Ardelyx Investigative Site 110 | Northridge | California | 91325 | — |
| Ardelyx Investigative Site 294 | San Diego | California | 92123 | — |
| Ardelyx Investigative Site 108 | Thousand Oaks | California | 91360 | — |
| Ardelyx Investigative Site 178 | Cutler Bay | Florida | 33157 | — |
| Ardelyx Investigative Site 131 | Fort Lauderdale | Florida | 33308 | — |
| Ardelyx Investigative Site 136 | Hialeah | Florida | 33012 | — |
| Ardelyx Investigative Site 130 | Hialeah | Florida | 33016 | — |
| Ardelyx Investigative Site 287 | Homestead | Florida | 33030 | — |
| Ardelyx Investigative Site 106 | Miami | Florida | 33186 | — |
| Ardelyx Investigative Site 127 | Miami Lakes | Florida | 33014 | — |
| Ardelyx Investigative Site 123 | Miami Springs | Florida | 33166 | — |
| Ardelyx Investigative Site 126 | Pompano Beach | Florida | 33060 | — |
| Ardelyx Investigative Site 132 | Port Orange | Florida | 32129 | — |
| Ardelyx Investigative Site 150 | St. Petersburg | Florida | 33709 | — |
| Ardelyx Investigative Site 254 | West Palm Beach | Florida | 33409 | — |
| Ardelyx Investigative Site 234 | Athens | Georgia | 30607 | — |
| Ardelyx Investigative Site 138 | Atlanta | Georgia | 30312 | — |
| Ardelyx Investigative Site 148 | Atlanta | Georgia | 30342 | — |
| Ardelyx Investigative Site 137 | Norcross | Georgia | 30071 | — |
| Ardelyx Investigative Site 213 | Savannah | Georgia | 31406 | — |
| Ardelyx Investigative Site 124 | Snellville | Georgia | 30078 | — |
| Ardelyx Investigative Site 157 | Boise | Idaho | 83642 | — |
| Ardelyx Investigative Site 102 | Blue Island | Illinois | 60406 | — |
| Ardelyx Investigative Site 162 | Evanston | Illinois | 60201 | — |
| Ardelyx Investigative Site 202 | Oak Lawn | Illinois | 60453 | — |
| Ardelyx Investigative Site 259 | Topeka | Kansas | 66606 | — |
| Ardelyx Investigative Site 192 | Crowley | Louisiana | 70526 | — |
| Ardelyx Investigative Site 188 | Metairie | Louisiana | 70006 | — |
| Ardelyx Investigative Site 177 | Monroe | Louisiana | 71201 | — |
| Ardelyx Investigative Site 198 | Zachary | Louisiana | 70791 | — |
| Ardelyx Investigative Site 278 | Hagerstown | Maryland | 21742 | — |
| Ardelyx Investigative Site 255 | Towson | Maryland | 21204 | — |
| Ardelyx Investigative Site 135 | Boston | Massachusetts | 02131 | — |
| Ardelyx Investigative Site 267 | Brockton | Massachusetts | 02302 | — |
| Ardelyx Investigative Site 119 | Caro | Michigan | 48723 | — |
| Ardelyx Investigative Site 128 | Chesterfield | Michigan | 48047 | — |
| Ardelyx Investigative Site 224 | Saginaw | Michigan | 48604 | — |
| Ardelyx Investigative Site 125 | Belton | Missouri | 64012 | — |
| Ardelyx Investigative Site 156 | Billings | Montana | 59102 | — |
| Ardelyx Investigative Site 142 | Omaha | Nebraska | 68114 | — |
| Ardelyx Investigative Site 275 | Las Vegas | Nevada | 89103 | — |
| Ardelyx Investigative Site 276 | Las Vegas | Nevada | 89119 | — |
| Ardelyx Investigative Site 182 | Las Vegas | Nevada | 89128 | — |
| Ardelyx Investigative Site 175 | Vineland | New Jersey | 08360 | — |
| Ardelyx Investigative Site 293 | Albuquerque | New Mexico | 87108 | — |
| Ardelyx Investigative Site 151 | Brooklyn | New York | 11215 | — |
| Ardelyx Investigative Site 170 | Great Neck | New York | 11023 | — |
| Ardelyx Investigative Site 225 | Hartsdale | New York | 10530 | — |
| Ardelyx Investigative Site 206 | New Windsor | New York | 12553 | — |
| Ardelyx Investigative Site 183 | New York | New York | 10036 | — |
| Ardelyx Investigative Site 226 | Asheville | North Carolina | 28801 | — |
| Ardelyx Investigative Site 166 | Charlotte | North Carolina | 28210 | — |
| Ardelyx Investigative Site 205 | Fayetteville | North Carolina | 28304 | — |
| Ardelyx Investigative Site 104 | Greensboro | North Carolina | 27403 | — |
| Ardelyx Investigative Site 174 | Kinston | North Carolina | 28501 | — |
| Ardelyx Investigative Site 280 | Winston-Salem | North Carolina | 27103 | — |
| Ardelyx Investigative Site 172 | Beavercreek | Ohio | 45432 | — |
| Ardelyx Investigative Site 223 | Cincinnati | Ohio | 45219 | — |
| Ardelyx Investigative Site 201 | Cincinnati | Ohio | 45234 | — |
| Ardelyx Investigative Site 139 | Columbus | Ohio | 43214 | — |
| Ardelyx Investigative Site 173 | Dayton | Ohio | 45429 | — |
| Ardelyx Investigative Site 171 | Huber Heights | Ohio | 45424 | — |
| Ardelyx Investigative Site 117 | Mentor | Ohio | 44060 | — |
| Ardelyx Investigative Site 247 | Springfield | Ohio | 45504 | — |
| Ardelyx Investigative Site 144 | Jenkintown | Pennsylvania | 19046 | — |
| Ardelyx Investigative Site 289 | Mt. Pleasant | South Carolina | 29464 | — |
| Ardelyx Investigative Site 184 | Myrtle Beach | South Carolina | 29588 | — |
| Ardelyx Investigative Site 281 | North Charleston | South Carolina | 29406 | — |
| Ardelyx Investigative Site 261 | Sioux Falls | South Dakota | 57108 | — |
| Ardelyx Investigative Site 134 | Chattanooga | Tennessee | 37421 | — |
| Ardelyx Investigative Site 121 | Franklin | Tennessee | 37064 | — |
| Ardelyx Investigative Site 189 | Hermitage | Tennessee | 37076 | — |
| Ardelyx Investigative Site 133 | Jackson | Tennessee | 38305 | — |
| Ardelyx Investigative Site 109 | Knoxville | Tennessee | 37909 | — |
| Ardelyx Investigative Site 235 | Nashville | Tennessee | 37211 | — |
| Ardelyx Investigative Site 164 | Corpus Christi | Texas | 78413 | — |
| Ardelyx Investigative Site 197 | Corsicana | Texas | 75110 | — |
| Ardelyx Investigative Site 185 | Houston | Texas | 77079 | — |
| Ardelyx Investigative Site 120 | Houston | Texas | 77090 | — |
| Ardelyx Investigative Site 113 | McKinney | Texas | 75071 | — |
| Ardelyx Investigative Site 111 | Plano | Texas | 75093 | — |
| Ardelyx Investigative Site 118 | Plano | Texas | 75093 | — |
| Ardelyx Investigative Site 101 | San Antonio | Texas | 78215 | — |
| Ardelyx Investigative Site 240 | San Antonio | Texas | 78229 | — |
| Ardelyx Investigative Site 159 | Orem | Utah | 84058 | — |
| Ardelyx Investigative Site 207 | Sandy City | Utah | 84094 | — |
| Ardelyx Investigative Site 155 | South Ogden | Utah | 84405 | — |
| Ardelyx Investigative Site 231 | Norfolk | Virginia | 23507 | — |
| Ardelyx Investigative Site 141 | Richmond | Virginia | 23294 | — |
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 NCT02621892, 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 Apr 20, 2020 · 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 NCT02621892 live on ClinicalTrials.gov.