Sponsor study identifier
observational
1,600
1 country
1
Study Start
March 3, 2023
Actual (reported)Primary Completion
May 7, 2026
Actual (reported)Study Completion
May 31, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
To confirm the safety of tolvaptan sodium phosphate in patients with volume overload in heart failure.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
May 31, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
January 16, 2023
Actual (reported)February 3, 2023
Actual (reported)March 3, 2023
Actual (reported)May 7, 2026
Actual (reported)May 31, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Safety information (Adverse Event)
Any untoward medicinal occurrence in a patient or clinical study subject administered a Medicinal Product and which does not necessarily have a causal relationship with this treatment (see Annex Ⅳ, ICH-E2A Guideline). An Adverse Event can therefore be any unfavorable and unintended sign (e.g. abnormal laboratory finding), symptom, or disease temporally associated with the use of a Medicinal Product, whether or not it is considered causally related to the Medicinal Product.
14 days from the initiation of tolvaptan sodium phosphate treatment
Number of Special Situations
Collecting any Situations related to the use of an Otsuka product which may or may not be associated with an adverse event: * Maternal (pregnancy and breastfeeding) or paternal (via semen) exposure; * Exposure during breastfeeding; * Overdose/Incorrect dosage, misuse, abuse (e.g. patient sharing products); * Medication errors (e.g. patient took wrong dose); * Lack of therapeutic efficacy (e.g. the product doesn't work); * Occupational exposure (e.g.: nurse administering the product is exposed); * Cases of suspected transmission of infectious agents; * Use of suspected or confirmed falsified product(s) or quality defect of the product(s); * Withdrawal reactions; * Accidental exposure (e.g.: child takes parent's product); * Drug-drug/drug-food interactions; * Unintentional use of product in a non-approved population (e.g.: pediatric or geriatric population); * Disease progression/exacerbation of existing disease
14 days from the initiation of tolvaptan sodium phosphate treatment
Number of off-Label Use
Collecting any type of off-Label Use that refers to situations where a product is intentionally used for a medical purpose not in accordance with the authorized product information. Off-label use also includes the intentional use in nonauthorized population categories not indicated in the label.
14 days from the initiation of tolvaptan sodium phosphate treatment
Incidence of Serious Adverse Event (e.g. resulting in death or life-threatening)
Collecting the number of any adverse drug experience/event occurring at any dose which * results in death * is life-threatening * requires inpatient hospitalization or prolonged of existing hospitalization * results in persistent or significant disability or incapacity * is a congenital anomaly/birth defect * is medically significant.
14 days from the initiation of tolvaptan sodium phosphate treatment
Incidence of Non-serious Adverse Events (i.e. all Adverse Events that do not meet the definition of a serious Adverse Event)
Collecting the number of non-serious Adverse Events
14 days from the initiation of tolvaptan sodium phosphate treatment
Drug: 8 mg/vial or 16mg/vial Dosage and Administration: The usual adult dosage of tolvaptan sodium phosphate is 16 mg once daily and intravenously infused over 1 hour.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Patients in Japan with volume overload in heart failure who are planned to be newly started on Samtasu therapy
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Pharmacovigilance Department
Osaka, 540-0021, Japan
Yasuhiko Fukuta, PhD
Otsuka Pharmaceutical Co., Ltd.
First Submitted
January 16, 2023
First Posted
February 3, 2023
Study Start
March 3, 2023
Actual (reported)Primary Completion
May 7, 2026
Actual (reported)A Safety Study of Sacubitril/Valsartan in Japanese Pediatric Patients With Heart Failure Due to Systemic Left Ventricle Systolic Dysfunction Who Have Completed CLCZ696B2319E1 Study
Study Completion
May 31, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Last Updated
June 22, 2026
Record last verified: 2026-06
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Source: ClinicalTrials.gov.
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