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Showing 1–24 of 42 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Tolvaptan Clear all
Terminated Phase 3 Interventional Results available

Effects of Tolvaptan vs Fluid Restriction in Hospitalized Subjects With Dilutional Hyponatremia

NCT01227512
View directory record Official record
Conditions
Hyponatremia, Dilutional Hyponatremia, Inappropriate ADH Syndrome
Interventions
tolvaptan, Fluid Restriction
Drug · Other
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
56
States / cities
Birmingham, Alabama • Mobile, Alabama • Azusa, California + 46 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2014 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 2 Interventional

Probenecid (PB) to Treat Hereditary Nephrogenic Diabetes Insipidus (NDI), ADPKD Treated With Tolvaptan, and Severely Polyuric Patients With Previous Lithium Administration

NCT05190744
View directory record Official record
Conditions
Autosomal Dominant Polycystic Kidney Disease, Nephrogenic Diabetes Insipidus, Acquired Nephrogenic Diabetes Insipidus, Congenital Nephrogenic Diabetes Insipidus
Interventions
PB
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 2 Interventional Results available

Tolvaptan Open-label Pilot Efficacy, Tolerability, and Safety Study in Autosomal Dominant Polycystic Kidney Disease (ADPKD)

NCT00413777
View directory record Official record
Conditions
Polycystic Kidney, Autosomal Dominant
Interventions
Tolvaptan
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
11
States / cities
Denver, Colorado • Jacksonville, Florida • Atlanta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

V2 Receptor Effects on Fluid Regulation and Performance

NCT02084797
View directory record Official record
Conditions
Electrolyte Imbalance, Hyponatremia, Hypernatremia
Interventions
V2R (Vasopressin 2 receptor)
Drug
Lead sponsor
Oakland University
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Rochester, Michigan
Source: ClinicalTrials.gov public record
Updated May 11, 2016 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 4 Interventional Results available

Tolvaptan for Ascites in Cirrhotic Patients

NCT01292304
View directory record Official record
Conditions
Ascites, Cirrhosis
Interventions
Tolvaptan
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 26, 2015 · Synced Sep 2, 2026, 11:50 AM EDT
Terminated Phase 3 Interventional Results available

Safety of Lixivaptan in Subjects Previously Treated With Tolvaptan for Autosomal Dominant Polycystic Kidney Disease

NCT04152837
View directory record Official record
Conditions
Polycystic Kidney Disease, Adult, ADPKD
Interventions
Lixivaptan
Drug
Lead sponsor
Palladio Biosciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
6
States / cities
Los Angeles, California • Chicago, Illinois • Rochester, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2023 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 3 Interventional

EVEREST: Efficacy of Vasopressin Antagonism in hEart failuRE: Outcome Study With Tolvaptan

NCT00071331
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Tolvaptan
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
3,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
161
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 131 more
Source: ClinicalTrials.gov public record
Updated May 2, 2012 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 3 Interventional Results available

Tolvaptan Phase 3 Efficacy and Safety Study in Autosomal Dominant Polycystic Kidney Disease (ADPKD)

NCT00428948
View directory record Official record
Conditions
Polycystic Kidney Disease, Autosomal Dominant
Interventions
Tolvaptan, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
1,445 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
30
States / cities
Mobile, Alabama • Riverside, California • Stanford, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 2, 2026, 11:50 AM EDT
Completed No phase listed Observational

Postoperative Tolvaptan Use in Left Ventricular Assist Device Implantation Patients

NCT05408104
View directory record Official record
Conditions
Heart Failure, Heart Assist Device, Hyponatremic
Interventions
tolvaptan
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 3 Interventional

Effect of Tolvaptan on Cognitive Function in Cirrhosis

NCT01556646
View directory record Official record
Conditions
Cirrhosis, Hepatic Encephalopathy, Hyponatremia
Interventions
Tolvaptan
Drug
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 6, 2014 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 2 Interventional

Study to Compare the Effects of Two Dosages of Tolvaptan in Congestive Heart Failure Patients

NCT00043771
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Tolvaptan
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002
U.S. locations
9
States / cities
Bakersfield, California • San Diego, California • Miami, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 3 Interventional Results available

Targeting Acute Congestion With Tolvaptan in Congestive Heart Failure

NCT01644331
View directory record Official record
Conditions
Heart Failure, Dyspnea
Interventions
Tolvaptan, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
18
States / cities
Aurora, Colorado • Atlanta, Georgia • Gainesville, Georgia + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2017 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 3 Interventional

Randomized, Double-Blind, Placebo Controlled Study of the Short Term Clinical Effects of Tolvaptan in Patients Hospitalized for Worsening Heart Failure With Challenging Volume Management

NCT01584557
View directory record Official record
Conditions
Heart Failure
Interventions
Tolvaptan or Samsca, placebo or sugar pill
Drug
Lead sponsor
Cardiovascular Clinical Sciences Inc
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
37
States / cities
Birmingham, Alabama • Huntsville, Alabama • Los Angeles, California + 34 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2016 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effects of Tolvaptan in Healthy Adults

NCT01973140
View directory record Official record
Conditions
Healthy
Interventions
Tolvaptan, Hypertonic saline infusion
Drug
Lead sponsor
Northwestern University
Other
Eligibility
21 Years to 55 Years · Male only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bioavailability Study Comparing Tolvaptan Administered Via Nasogastric Tube to Tolvaptan Tablets Swallowed Intact

NCT01261481
View directory record Official record
Conditions
Healthy
Interventions
Tolvaptan
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 40 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 6, 2012 · Synced Sep 2, 2026, 11:50 AM EDT
Terminated Phase 4 Interventional Results available

Tolvaptan to Reduce Length of Stay in Hospitalized Patients With Cirrhosis and Hyponatremia

NCT01890694
View directory record Official record
Conditions
Hyponatremia
Interventions
Tolvaptan, Placebo, Hepatic Encephalopathy Assessment, Quality of Life Assessment, Vital signs, Blood laboratory tests, Ascites Evaluation, Edema
Drug · Behavioral · Biological + 1 more
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 10, 2017 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 2 Interventional Results available

Dose-finding Study of New Tolvaptan Formulation in Subjects With ADPKD

NCT01210560
View directory record Official record
Conditions
Autosomal Dominant Polycystic Kidney Disease
Interventions
Tolvaptan MR, Tolvaptan IR
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
6
States / cities
Boston, Massachusetts • Minneapolis, Minnesota • Rochester, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2018 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 1 Interventional

AiDing Diuresis wIth Tolvaptan (ADD-IT)

NCT02646540
View directory record Official record
Conditions
Cardiomyopathy, Congestive Heart Failure
Interventions
Tolvaptan 30 mg + IV Diuretics, Metolazone 5 mg + IV Diuretics, 2.5 times the Diuretics Dose
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 26, 2019 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 3 Interventional Results available

Effects of Titrated Oral Tolvaptan 15-60 mg Once Daily (QD) on Cognitive and Neurological Function in Elderly Hyponatremic Patients

NCT00550459
View directory record Official record
Conditions
Hyponatremia
Interventions
Tolvaptan, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
50 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
12
States / cities
Hawthorne, California • Vista, California • Colorado Springs, Colorado + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2011 · Synced Sep 2, 2026, 11:50 AM EDT
Withdrawn Phase 4 Interventional

The Use of Tolvaptan to Prevent Renal Dysfunction in High Risk Patients With Heart Failure-Pilot Study

NCT01663662
View directory record Official record
Conditions
Heart Failure
Interventions
Tolvaptan, placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 10, 2015 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 4 Interventional Results available

Comparison of Oral or Intravenous Thiazides vs Tolvaptan in Diuretic Resistant Decompensated Heart Failure

NCT02606253
View directory record Official record
Conditions
Heart Failure
Interventions
tolvaptan, Chlorothiazide, Metolazone
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 7, 2019 · Synced Sep 2, 2026, 11:50 AM EDT
Completed Phase 4 Interventional Results available

Aquaresis Utility for Hyponatremic Acute Heart Failure Study

NCT02183792
View directory record Official record
Conditions
Heart Failure
Interventions
Tolvaptan, Furosemide
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 27, 2019 · Synced Sep 2, 2026, 11:50 AM EDT
Terminated Phase 3 Interventional Results available

Study of the Safety and Effectiveness of SAMSCA® (Tolvaptan) in Children and Adolescents With Euvolemic or Hypervolemic Hyponatremia

NCT02012959
View directory record Official record
Conditions
Hyponatremia
Interventions
Tolvaptan
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
4 Weeks to 17 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
5
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Sep 2, 2026, 11:50 AM EDT
Not yet recruiting Phase 2 Interventional

Bempedoic Acid Therapy for Polycystic Kidney Disease

NCT07282821
View directory record Official record
Conditions
ADPKD (Autosomal Dominant Polycystic Kidney Disease)
Interventions
Bempedoic Acid 180 MG Oral Tablet, Placebo Capsule(s)
Drug
Lead sponsor
Kenneth Hallows
Other
Eligibility
18 Years to 60 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
3
States / cities
Baltimore, Maryland • Boston, Massachusetts • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 2, 2026, 11:50 AM EDT