Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:16 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 59 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Hyperphosphatemia Clear all
Completed Phase 2 Interventional Results available

Dose Finding Study to Treat High Phosphate Levels in the Blood.

NCT02081534
View directory record Official record
Conditions
Hyperphosphatemia
Interventions
AZD1722, Placebo
Drug
Lead sponsor
Ardelyx
Industry
Eligibility
18 Years to 85 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
16
States / cities
Downey, California • Los Angeles, California • Sacramento, California + 13 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2020 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Not applicable Interventional

PD Study to Assess Phosphate Binding Characteristics of K2CG Chewing Gum

NCT01319578
View directory record Official record
Conditions
Hyperphosphatemia, Chronic Kidney Disease
Interventions
K2CG chewing gum
Other
Lead sponsor
Denver Nephrologists, P.C.
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 15, 2011 · Synced Oct 20, 2026, 6:16 PM EDT
Terminated Phase 4 Interventional Results available

A Study of Ferric Citrate to Improve Inflammation and Lipid Levels

NCT02661295
View directory record Official record
Conditions
End Stage Renal Disease, Hyperphosphatemia, Chronic Inflammation
Interventions
Ferric Citrate
Drug
Lead sponsor
Winthrop University Hospital
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Apr 20, 2023 · Synced Oct 20, 2026, 6:16 PM EDT
Recruiting Phase 2 Interventional

A Study to Evaluate Safety, Tolerability and Efficacy of AP306 at Fixed Doses in Dialysis Participants With Hyperphosphatemia

NCT06712654
View directory record Official record
Conditions
Hyperphosphatemia, Chronic Kidney Disease Requiring Chronic Dialysis, End Stage Renal Disease on Dialysis
Interventions
AP306 75 mg BID, AP306 125 mg BID, AP306 150 mg BID, AP306 75 mg TID, AP306 100 mg TID, AP306 125 mg TID, Placebo
Drug
Lead sponsor
R1 Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
24
States / cities
Huntsville, Alabama • Chula Vista, California • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Phase 1 Interventional

A Phase1 Study to Explore the Safety of EOS789 in Patients With Chronic Kidney Disease and Hyperphosphatemia on Hemodialysis

NCT02965053
View directory record Official record
Conditions
Hyperphosphatemia
Interventions
EOS789, Placebo, Renvela
Drug
Lead sponsor
Chugai Pharmaceutical
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced Oct 20, 2026, 6:16 PM EDT
Terminated Phase 2 Interventional

An Evaluation of the Long-term Safety of Magnesium Iron Hydroxycarbonate

NCT00358722
View directory record Official record
Conditions
Chronic Kidney Failure
Interventions
Fermagate
Drug
Lead sponsor
Ineos Healthcare Limited
Industry
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
4
States / cities
Pine Bluff, Arkansas • Stuttgart, Arkansas • Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 10, 2009 · Synced Oct 20, 2026, 6:16 PM EDT
Recruiting Phase 3 Interventional

A Study of a Novel Iron-based Phosphate Binder AP301 in Patients With Hyperphosphatemia in the U.S. and China

NCT06933472
View directory record Official record
Conditions
Hyperphosphatemia, Chronic Kidney Disease, Receiving Dialysis, ESRD (End-Stage Renal Disease), Dialysis
Interventions
AP301, AP301 Low Dose
Drug
Lead sponsor
Alebund Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
18
States / cities
Granada Hills, California • San Dimas, California • Lone Tree, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Oct 20, 2026, 6:16 PM EDT
Completed No phase listed Observational Results available

Long-term Effect of Lanthanum Carbonate on Bone

NCT00557323
View directory record Official record
Conditions
Hyperphosphatemia
Interventions
Lanthanum carbonate
Drug
Lead sponsor
Shire
Industry
Eligibility
Not listed
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
8
States / cities
Lynwood, California • Torrance, California • Springfield, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Efficacy of Phosphate Binding in Healthy Volunteers: Chewed Versus Crushed Lanthanum Carbonate

NCT00458289
View directory record Official record
Conditions
Hyperphosphatemia in Chronic Kidney Disease
Interventions
Lanthanum carbonate (chewed vs. crushed)
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 20, 2019 · Synced Oct 20, 2026, 6:16 PM EDT
Not listed Phase 3 Interventional

Study Comparing Effects of Lanthanum Carbonate Versus Calcium Acetate Versus Dietary Phosphorus Restriction

NCT01357317
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Diet counseling, Phosphorus binder
Other · Drug
Lead sponsor
Salem Veterans Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Salem, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 12, 2012 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Phase 4 Interventional Results available

Study to Evaluate the Use of Tenapanor as Core Therapy in the Treatment of Hyperphosphatemia

NCT04549597
View directory record Official record
Conditions
Chronic Kidney Disease Requiring Chronic Dialysis, Hyperphosphatemia
Interventions
Tenapanor
Drug
Lead sponsor
Ardelyx
Industry
Eligibility
18 Years to 90 Years
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Lauderdale Lakes, Florida
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Phase 4 Interventional

Phosphate Kinetic Modeling 2

NCT01252771
View directory record Official record
Conditions
Hyperphosphatemia, ESRD
Interventions
PKM Algorithm
Other
Lead sponsor
Fresenius Medical Care North America
Industry
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2014 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Phase 3 Interventional Results available

Ferric Citrate for the Prevention of Renal Failure in Adults With Advanced Chronic Kidney Disease

NCT05085275
View directory record Official record
Conditions
Anemia, Iron Deficiency, Hyperphosphatemia, Renal Insufficiency, Chronic, Renal Anemia, Disease Progression, Cardiovascular, Iron
Interventions
Ferric Citrate 1 GM Oral Tablet [AURYXIA], Placebo
Drug
Lead sponsor
USRC Kidney Research
Network
Eligibility
18 Years and older
Enrollment
289 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
23
States / cities
Pine Bluff, Arkansas • Chula Vista, California • El Centro, California + 16 more
Source: ClinicalTrials.gov public record
Updated Aug 29, 2025 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Phase 2 Interventional Results available

Randomized Study Comparing Genz-644470, Placebo, and Sevelamer Carbonate in Chronic Kidney Disease Patients on Hemodialysis

NCT00853242
View directory record Official record
Conditions
Kidney Failure, Chronic
Interventions
Placebo, Genz-644470, Sevelamer carbonate
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
349 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
52
States / cities
Alexander City, Alabama • Birmingham, Alabama • Hot Springs, Arkansas + 49 more
Source: ClinicalTrials.gov public record
Updated May 1, 2015 · Synced Oct 20, 2026, 6:16 PM EDT
Withdrawn No phase listed Observational

Calcium, Phosphate, Renal Impairment and Coronary Artery Disease in the Cardio-renal Syndrome, The CAPRICORN-CRS Study

NCT00853541
View directory record Official record
Conditions
Heart Failure
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2015 · Synced Oct 20, 2026, 6:16 PM EDT
Completed No phase listed Observational

Long Term Treatment of End Stage Renal Disease Patients With Lanthanum Carbonate (Fosrenol)

NCT00567723
View directory record Official record
Conditions
Hyperphosphatemia
Interventions
Not listed
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
2,105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
199
States / cities
Birmingham, Alabama • Hoover, Alabama • Mobile, Alabama + 163 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 20, 2026, 6:16 PM EDT
Terminated Not applicable Interventional Results available

The Effect(s) of Sevelamer Carbonate (Renvela) on Atherosclerotic Plaque Inflammation Judged by FDG-PET Scan

NCT01238588
View directory record Official record
Conditions
Dialysis, Cardiovascular Disease, Atherosclerosis, Inflammation, Hyperphosphatemia
Interventions
Sevelamer Carbonate (Renvela)
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
10
States / cities
Boston, Massachusetts • Framingham, Massachusetts • Marlborough, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Oct 20, 2026, 6:16 PM EDT
Terminated Phase 3 Interventional Results available

A Study to Investigate the Safety and Efficacy of PA21 (Velphoro®) and Calcium Acetate (Phoslyra®) in Paediatric and Adolescent Chronic Kidney Disease (CKD) Patients With Hyperphosphataemia

NCT02688764
View directory record Official record
Conditions
Hyperphosphatemia
Interventions
PA21 (Velphoro®), Calcium Acetate (Phoslyra®)
Drug
Lead sponsor
Vifor Fresenius Medical Care Renal Pharma
Industry
Eligibility
Up to 18 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
22
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Miami, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2019 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Phase 1 Interventional

The Effect of Oral Niacinamide on Serum Phosphorus Levels in Hemodialysis Patients

NCT00316472
View directory record Official record
Conditions
Hyperphosphatemia
Interventions
Niacinamide
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 16, 2009 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Phase 4 Interventional Results available

Effect of Velphoro on Serum Phosphate and Albumin in Peritoneal Dialysis Patients

NCT04046263
View directory record Official record
Conditions
Peritoneal Dialysis Complication, Hyperphosphatemia, Hypoalbuminemia
Interventions
Sucroferric Oxyhydroxide Chewable Tablet
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 31, 2022 · Synced Oct 20, 2026, 6:16 PM EDT
Not listed Phase 2 Interventional

Efficacy and Tolerability of ILY101 in Dialysis Patients With Hyperphosphatemia

NCT00358046
View directory record Official record
Conditions
Kidney Diseases, Renal Insufficiency
Interventions
ILY101
Drug
Lead sponsor
Ilypsa
Industry
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
18
States / cities
Mobile, Alabama • Mountain View, California • Riverside, California + 15 more
Source: ClinicalTrials.gov public record
Updated Feb 7, 2007 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Phase 2 Interventional

Efficacy and Safety Study of Magnesium Iron Hydroxycarbonate for the Reduction of High Blood Phosphate in Hemodialysis Patients

NCT00317694
View directory record Official record
Conditions
Chronic Kidney Failure
Interventions
Fermagate, Placebo
Drug
Lead sponsor
Ineos Healthcare Limited
Industry
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
4
States / cities
Pine Bluff, Arkansas • Stuttgart, Arkansas • Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 10, 2009 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Study to Investigate the Safety and Efficacy of PA21, a Phosphate Binder, in Dialysis Patients

NCT01324128
View directory record Official record
Conditions
Chronic Kidney Disease Requiring Chronic Dialysis
Interventions
PA21 (2.5 g tablet containing 500 mg iron), Sevelamer carbonate, PA21-1 (1.25 g tablet containing 250 mg iron)
Drug
Lead sponsor
Vifor Pharma
Industry
Eligibility
18 Years and older
Enrollment
1,059 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2014 · Synced Oct 20, 2026, 6:16 PM EDT
Completed Phase 1 Interventional

DS2330b Alone and With Sevelamer in Patients on Chronic Hemodialysis

NCT03305471
View directory record Official record
Conditions
Hyperphosphatemia
Interventions
DS-2330b PIB, Placebo, Sevelamer, DS-2330b Tablet
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
4
States / cities
Lakewood, Colorado • Orlando, Florida • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2019 · Synced Oct 20, 2026, 6:16 PM EDT