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Showing 1–24 of 53 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Chronic Kidney Disease stage3 Clear all
Completed Phase 1 Interventional

Pharmacokinetics and Safety Pilot Study of Single-Dose Oral and Intravenous CTAP101 in Stage 3 and 4 Chronic Kidney Disease Subjects

NCT00888069
View directory record Official record
Conditions
Chronic Kidney Disease, Secondary Hyperparathyroidism, Chronic Renal Insufficiency, Chronic Renal Failure
Interventions
CTAP101 Capsules, CTAP101 Injection
Drug
Lead sponsor
OPKO IP Holdings II, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
12
States / cities
Peoria, Arizona • Evergreen Park, Illinois • Springfield, Massachusetts + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2014 · Synced Jul 23, 2026, 6:06 AM EDT
Completed Phase 4 Interventional Results available

Repeated-dose Safety, Efficacy, Pharmacokinetic and Pharmacodynamic of CTAP101, Immediate-release Calcifediol, High-dose Cholecalciferol, and Paricalcitol Plus Low-dose Cholecalciferol in Patients With Secondary Hyperparathyroidism, Chronic Kidney Disease 3-4 and Vitamin D Insufficiency

NCT03588884
View directory record Official record
Conditions
Secondary Hyperparathyroidism Due to Renal Causes, Vitamin D Insufficiency, CKD Stage 3, CKD Stage 4
Interventions
Calcifediol Oral Capsule, Calcifediol Oral Product, Cholecalciferol, Paricalcitol Oral Capsule
Drug
Lead sponsor
OPKO Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
3
States / cities
Garden Grove, California • Chicago, Illinois • West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 8, 2022 · Synced Jul 23, 2026, 6:06 AM EDT
Not listed Not applicable Interventional

A Single Arm sTudy to Evaluate the Effectiveness of EndoAVF in a Pre-dialysis Population (STEP Study)

NCT04633304
View directory record Official record
Conditions
CKD Stage 3, CKD Stage 4, CKD Stage 5
Interventions
EndoAVF System for endovascular AV fistula creation
Device
Lead sponsor
California Institute of Renal Research
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Escondido, California
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Jul 23, 2026, 6:06 AM EDT
Completed Phase 1 Interventional

Safety & Tolerability Study of CTP-499 in Patients With Moderate Chronic Kidney Disease

NCT01460199
View directory record Official record
Conditions
Stage 3 Chronic Kidney Disease
Interventions
CTP-499, placebo
Drug
Lead sponsor
Concert Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
3
States / cities
Costa Mesa, California • Garden Grove, California • Tustin, California
Source: ClinicalTrials.gov public record
Updated May 23, 2013 · Synced Jul 23, 2026, 6:06 AM EDT
Completed Phase 2 Interventional Results available

Phase 2 Study of Roxadustat in Participants With Anemia and Chronic Kidney Disease Not Requiring Dialysis

NCT00761657
View directory record Official record
Conditions
Chronic Kidney Disease, Anemia
Interventions
Roxadustat, Placebo
Drug
Lead sponsor
Kyntra Bio
Industry
Eligibility
18 Years to 80 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
34
States / cities
Peoria, Arizona • Tempe, Arizona • Los Angeles, California + 31 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Jul 23, 2026, 6:06 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Vitamin D Repletion in Chronic Kidney Disease

NCT00772772
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Vitamin D3
Drug
Lead sponsor
Rockefeller University
Other
Eligibility
50 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 14, 2015 · Synced Jul 23, 2026, 6:06 AM EDT
Completed Phase 2 Interventional Results available

Study to Assess the Safety and Pharmacokinetics of AKB-6548 in Participants With Chronic Kidney Disease (CKD), Stages 3 and 4

NCT04707573
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Vadadustat
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years to 79 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
2
States / cities
Saint Paul, Minnesota • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Jul 23, 2026, 6:06 AM EDT
Completed Phase 2 Interventional Results available

Metabolic Effects of Paricalcitol

NCT01003275
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Paricalcitol, Placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 27, 2014 · Synced Jul 23, 2026, 6:06 AM EDT
Recruiting Phase 1Phase 2 Interventional

A Study to Investigate the Safety, Tolerability, and Preliminary Efficacy With AION-301 Administered by Intravenous Infusion Compared With Placebo Administered by Intravenous Infusion Investigational Intervention in Participants Aged 35 to 75 Years of Age With Chronic Kidney Disease (CKD)

NCT06721143
View directory record Official record
Conditions
Chronic Kidney Disease Stage 3
Interventions
AION-301, Placebo
Biological · Drug
Lead sponsor
AION Healthspan, Inc.
Industry
Eligibility
35 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Jul 23, 2026, 6:06 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of RBT-1 in Healthy Volunteers and Subjects With Stage 3/4 Chronic Kidney Disease

NCT03893799
View directory record Official record
Conditions
Healthy Volunteers, Chronic Kidney Disease
Interventions
RBT-1
Drug
Lead sponsor
Renibus Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Edgewater, Florida
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Jul 23, 2026, 6:06 AM EDT
Completed Phase 4 Interventional Results available

Paricalcitol Versus Calcitriol for Efficacy and Safety in Stage 3/4 Chronic Kidney Disease (CKD) With Secondary Hyperparathyroidism (SHPT)

NCT00823303
View directory record Official record
Conditions
Secondary Hyperparathyroidism, Chronic Kidney Disease
Interventions
Paricalcitol, Calcitriol
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
4
States / cities
Chicago, Illinois • Evanston, Illinois • Detroit, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced Jul 23, 2026, 6:06 AM EDT
Active, not recruiting No phase listed Observational

Prospective Decision Impact Clinical Utility Trial of KidneyIntelX

NCT05198284
View directory record Official record
Conditions
Diabetic Kidney Disease, Chronic Kidney Diseases, Chronic Kidney Disease Stage 1, Chronic Kidney Disease Stage 2, Chronic Kidney Disease Stage 3
Interventions
KidneyIntelX
Diagnostic Test
Lead sponsor
Renalytix AI, Inc.
Industry
Eligibility
23 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced Jul 23, 2026, 6:06 AM EDT
Recruiting Not applicable Interventional

Effects of Replacing High Protein Foods in People With Chronic Kidney Disease

NCT07105670
View directory record Official record
Conditions
Chronic Kidney Disease Stage 3
Interventions
Controlled dietary intervention
Other
Lead sponsor
Indiana University
Other
Eligibility
40 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 23, 2026, 6:06 AM EDT
Terminated Phase 3 Interventional Results available

Safety and Efficacy of Hectorol in Pediatric Patients With Chronic Kidney Disease Stage 3 and 4 With Secondary Hyperparathyroidism Not Yet on Dialysis

NCT02859896
View directory record Official record
Conditions
Secondary Hyperparathyroidism-Chronic Kidney Disease
Interventions
Doxercalciferol (GZ427397), Calcitriol
Drug
Lead sponsor
Sanofi
Industry
Eligibility
5 Years to 18 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
21
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Jul 23, 2026, 6:06 AM EDT
Completed Phase 3 Interventional Results available

The PRIMO Study: Paricalcitol Capsules Benefits Renal Failure Induced Cardiac Morbidity in Subjects With Chronic Kidney Disease Stage 3/4

NCT00497146
View directory record Official record
Conditions
Chronic Kidney Disease, Left Ventricular Hypertrophy
Interventions
paricalcitol, placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years and older
Enrollment
227 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
30
States / cities
Phoenix, Arizona • Tempe, Arizona • San Diego, California + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2013 · Synced Jul 23, 2026, 6:06 AM EDT
Completed Phase 1 Interventional

Study to Assess PK, Safety and Tolerability in Patients With DM and CKD

NCT03795389
View directory record Official record
Conditions
Chronic Kidney Disease, Chronic Kidney Disease, Stage 3 (Moderate), Chronic Kidney Disease, Stage 4 (Severe), Diabetes
Interventions
DM199
Drug
Lead sponsor
DiaMedica Therapeutics Inc
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
3
States / cities
Hialeah, Florida • Orlando, Florida • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 12, 2021 · Synced Jul 23, 2026, 6:06 AM EDT
Terminated Phase 3 Interventional Results available

Vitamin D Supplement Study for Stage Three and Four Chronic Kidney Disease (CKD) Patients

NCT01173848
View directory record Official record
Conditions
Chronic Kidney Disease Stage 3 and 4
Interventions
Ergocalciferol, Cholecalciferol
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 99 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 3, 2017 · Synced Jul 23, 2026, 6:06 AM EDT
Active, not recruiting No phase listed Observational

Prospective Decision Impact Trial of KidneyIntelX

NCT04960514
View directory record Official record
Conditions
Diabetic Kidney Disease, Chronic Kidney Disease Stage 1, Chronic Kidney Disease Stage 2, Chronic Kidney Disease, Stage 3 (Moderate)
Interventions
KidneyIntelX
Diagnostic Test
Lead sponsor
Renalytix AI, Inc.
Industry
Eligibility
23 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced Jul 23, 2026, 6:06 AM EDT
Completed No phase listed Observational

Outcome of Use of a Novel Modulator of Oxidative Phosphorylation on Kidney Function in Patients With Progressive Chronic Kidney Disease

NCT07150338
View directory record Official record
Conditions
Chronic Kidney Disease (Stage 3-4), Chronic Kidney Disease (Stages 4 and 5), Proteinuria
Interventions
QRX-3, Eseronate
Drug
Lead sponsor
Neukidney Inc.
Industry
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Pasadena, Texas
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Jul 23, 2026, 6:06 AM EDT
Completed Phase 4 Interventional

Vitamin D Deficiency in Chronic Kidney Disease (CKD) Patients

NCT00958451
View directory record Official record
Conditions
Secondary Hyperparathyroidism, Chronic Kidney Disease
Interventions
Paricalcitol, Ergocalciferol
Drug
Lead sponsor
Salem Veterans Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Salem, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 23, 2011 · Synced Jul 23, 2026, 6:06 AM EDT
Not listed Not applicable Interventional

Vitamin K to Slow Progression of Cardiovascular Disease Risk in Hemodialysis Patients

NCT03311321
View directory record Official record
Conditions
Cardiovascular Diseases, Chronic Kidney Disease Stage 3, Chronic Kidney Disease Stage 4, Chronic Kidney Disease Stage 5, Vitamin K Deficiency, Hemodialysis
Interventions
Vitamin K2 (menaquinone-7; 360-mcg/d), Placebo-Control
Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 19, 2019 · Synced Jul 23, 2026, 6:06 AM EDT
Enrolling by invitation Not applicable Interventional

Plant-Focused Nutrition in Patients With Diabetes and Chronic Kidney Disease

NCT05514184
View directory record Official record
Conditions
Chronic Kidney Disease (CKD) With Diabetes Mellitus (DM), CKD Stage 3, CKD Stage 4, CKD Stage 5, Diabetes Mellitus, Diabetic Kidney Disease
Interventions
PLAFOND diet
Dietary Supplement
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Orange, California • Torrance, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Jul 23, 2026, 6:06 AM EDT
Completed No phase listed Observational

Preserving Kidney Function in Children With Chronic Kidney Disease

NCT05169411
View directory record Official record
Conditions
Chronic Kidney Disease Stage 2, Chronic Kidney Disease Stage 3, Pediatric Kidney Disease
Interventions
Blood pressure, Urine protein
Diagnostic Test
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
1 Year to 17 Years
Enrollment
20,240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 15, 2024 · Synced Jul 23, 2026, 6:06 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of CTAP101 to Treat Secondary Hyperparathyroidism in Stage 3 or 4 CKD and Vitamin D Insufficiency

NCT01651000
View directory record Official record
Conditions
Chronic Kidney Disease, Hyperparathyroidism, Secondary, Vitamin D Deficiency
Interventions
CTAP101 30 μg capsules, Sugar pill to CTAP101 30 μg capsules
Drug · Other
Lead sponsor
OPKO IP Holdings II, Inc.
Industry
Eligibility
18 Years and older
Enrollment
213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Bannockburn, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 12, 2025 · Synced Jul 23, 2026, 6:06 AM EDT