A Multicenter Trial to Investigate the Efficacy and Safety of Tolvaptan in Patients With Hyponatremia in SIADH

NCT ID: NCT03048747

Last Updated: 2020-11-02

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

16 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-03-02

Study Completion Date

2019-03-19

Brief Summary

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The objective of this study is to investigate the efficacy and safety of tolvaptan based on the change in serum sodium concentration following administration of tolvaptan oral tablets at 7.5 to 60 mg/day for up to 30 days in patients with hyponatremia in the SIADH.

Detailed Description

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Conditions

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Syndrome of Inappropriate Antidiuretic Hormone Secretion

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Tolvaptan

Tolvaptan tablets at 7.5, 15, 30 (one tablet each), or 60 mg (two 30 mg tablets) will be orally administered once daily after breakfast for up to 30 days.

Group Type EXPERIMENTAL

Tolvaptan Oral Tablet

Intervention Type DRUG

Tolvaptan tablets at 7.5, 15, 30 (one tablet each), or 60 mg (two 30 mg tablets) will be orally administered once daily after breakfast for up to 30 days.

Interventions

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Tolvaptan Oral Tablet

Tolvaptan tablets at 7.5, 15, 30 (one tablet each), or 60 mg (two 30 mg tablets) will be orally administered once daily after breakfast for up to 30 days.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Subjects with a definite diagnosis of SIADH in reference to "Diagnostic and Treatment Manual of the Hypersecretion of Vasopressin (SIADH), Revised in 2011"
* Subjects who have been on fluid restriction for at least 7 consecutive days at the time of informed consent and who are showing no improvement of hyponatremia at the time of the screening examination

Exclusion Criteria

* Subjects who have transient hyponatremia induced by drug administration
* Subjects who are unable to sense thirst or who have difficulty with fluid intake
* Subjects with urinary tract obstruction
* Subjects who have participated in any other clinical trial within 30 days prior to informed consent
* Subjects with serum sodium concentration of \<120 mEq/L associated with neurologic impairment, including apathy, confusion, or seizures
Minimum Eligible Age

20 Years

Maximum Eligible Age

85 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Otsuka Pharmaceutical Co., Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Chubu Region, , Japan

Site Status

Chugoku Region, , Japan

Site Status

Kanto Region, , Japan

Site Status

Kinki Region, , Japan

Site Status

Kyushu Region, , Japan

Site Status

Sikoku Region, , Japan

Site Status

Countries

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Japan

Provided Documents

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Document Type: Statistical Analysis Plan

View Document

Document Type: Study Protocol

View Document

Other Identifiers

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JapicCTI-173512

Identifier Type: OTHER

Identifier Source: secondary_id

156-14-003

Identifier Type: -

Identifier Source: org_study_id