Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 18, 2026, 7:05 AM EDT

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Showing 1–24 of 37 matching trials from the live ClinicalTrials.gov search.
Conditions
Anemia, Non-Dialysis-Dependent Chronic Kidney Disease
Interventions
Vadadustat, Darbepoetin alfa
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
1,751 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
208
States / cities
Huntsville, Alabama • Tuscumbia, Alabama • Glendale, Arizona + 148 more
Conditions
Kidney Cancer, Liver Cancer
Interventions
hypoxia-activated prodrug TH-302, sorafenib tosylate
Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Conditions
Overweight, Obesity, Chronic Kidney Disease, Type 2 Diabetes, T2D
Interventions
Tirzepatide, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
10
States / cities
Northridge, California • Aurora, Colorado • Denver, Colorado + 7 more
Conditions
Anemia, Non-Dialysis-Dependent Chronic Kidney Disease
Interventions
Vadadustat, Darbepoetin alfa
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
1,725 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
219
States / cities
Birmingham, Alabama • Huntsville, Alabama • Tuscumbia, Alabama + 158 more
Conditions
Renal Disease, Hypoxia
Interventions
Not listed
Lead sponsor
Renal Research Institute
Other
Eligibility
18 Years and older
Enrollment
5,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Conditions
Kidney Disease
Interventions
Hypoxyprobe-1
Biological
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
2
States / cities
Madison, Wisconsin
Not listed No phase listed Observational Accepts healthy volunteers

Postoperative Respiratory Abnormalities

NCT04079829
Conditions
Respiratory Failure, Respiratory Arrest, Respiratory Distress Syndrome, Acute Respiratory Failure, Acute Respiratory Failure With Hypoxia, Acute Respiratory Failure With Hypercapnia, Acute Respiratory Failure Post Surgical, Acute Respiratory Failure Postprocedural, Acute Respiratory Failure Following Trauma and Surgery, Acute Respiratory Failure Requiring Reintubation, Acute Respiratory Failure Post Traumatic, Acute Respiratory Decompensation, Shock, Shock, Septic, Shock, Cardiogenic, Acute Cardiac Failure, Multi Organ Failure, Acute Kidney Failure
Interventions
Observational retrospective cohort to describe data validity; and Data reliability; and Completeness of the data
Other
Lead sponsor
Efficacy Care R&D Ltd
Industry
Eligibility
18 Years to 90 Years
Enrollment
50,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Houston, Texas
Conditions
Anemia of Chronic Kidney Disease
Interventions
vadadustat
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
4 Months to 16 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Hackensack, New Jersey
Conditions
ccRCC, Clear Cell Renal Cell Carcinoma, Kidney Cancer, Kidney Neoplasms, Renal Cancer, Renal Neoplasms, Recurrent Renal Cell Carcinoma, Metastatic Renal Cell Carcinoma, Refractory Renal Cell Carcinoma, Advanced Renal Cell Carcinoma, Hypoxia, Renal Cell Carcinoma, Hypoxia Inducible Factor (HIF), HIF2α Inhibitor, Hypoxia Inducible Factor 2 Alpha (HIF-2 Alpha), Hypoxia Inducible Factor 2α (HIF-2α), Clear Cell
Interventions
Oral NKT2152
Drug
Lead sponsor
NiKang Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
13
States / cities
Scottsdale, Arizona • Los Angeles, California • Denver, Colorado + 10 more
Conditions
Carcinoma, Renal Cell
Interventions
Belzutifan
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
18
States / cities
Washington D.C., District of Columbia • Miami, Florida • Louisville, Kentucky + 15 more
Conditions
Acute Kidney Injury, Hypoxic-Ischemic Encephalopathy, Caffeine
Interventions
Caffeine citrate
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
0 Hours to 24 Hours
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
2
States / cities
Little Rock, Arkansas
Conditions
Acute Hypoxic Respiratory Failure, Acute Respiratory Distress Syndrome (ARDS)
Interventions
Non-Invasive Positive Pressure Ventilation, High Flow Nasal Oxygen
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
6
States / cities
Tucson, Arizona • Ann Arbor, Michigan • Columbus, Ohio + 2 more
Conditions
Anemia, Dialysis-Dependent Chronic Kidney Disease
Interventions
Vadadustat, Darbepoetin alfa
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Northridge, California
Conditions
Carcinoma, Renal Cell
Interventions
Pembrolizumab, Belzutifan, Pembrolizumab/Quavonlimab, Lenvatinib
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
1,688 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
33
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 28 more
Conditions
Renal Cell Carcinoma
Interventions
Belzutifan, Palbociclib
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Chicago, Illinois • Boston, Massachusetts + 1 more
Conditions
Lung Cancer, Squamous Cell Carcinoma, Head and Neck Cancer, Hepatic Carcinoma, Renal Cell Carcinoma
Interventions
[F-18] VM4-037
Drug
Lead sponsor
Siemens Molecular Imaging
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Renal Cell Carcinoma
Interventions
Belzutifan, Zanzalintinib
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 120 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
7
States / cities
San Francisco, California • Mineola, New York • New York, New York + 3 more
Conditions
Anemia, Chronic Kidney Disease
Interventions
AKB-6548, Placebo
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years to 82 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
47
States / cities
Glendale, Arizona • Tucson, Arizona • Azusa, California + 44 more
Conditions
Anemia, End Stage Renal Disease
Interventions
AKB-6548
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years to 79 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
16
States / cities
El Granada, California • Long Beach, California • San Dimas, California + 13 more
Conditions
Anemia, Dialysis-Dependent Chronic Kidney Disease
Interventions
Vadadustat, Darbepoetin alfa
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
369 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
54
States / cities
Huntsville, Alabama • Mesa, Arizona • Anaheim, California + 45 more
Conditions
Carcinoma, Renal Cell
Interventions
Belzutifan
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
4
States / cities
Boston, Massachusetts • Ann Arbor, Michigan • Nashville, Tennessee + 1 more
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Ferrous Sulfate on the Pharmacokinetics of AKB-6548

NCT02327546
Conditions
Healthy Volunteers
Interventions
AKB-6548, Ferrous Sulfate
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Kalamazoo, Michigan
Conditions
Healthy
Interventions
AKB-6548 tablet, reference formulation given in the fasted state, AKB-6548 tablet, test formulation given in the fasted state., AKB-6548 tablet, test formulation given in the fed state
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Kalamazoo, Michigan
Conditions
Kidney Injury, Pre-Term
Interventions
Caffeine citrate, Placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
12 Hours to 96 Hours
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Madison, Wisconsin