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CompletedNCT03406286Updated Jul 24, 2025

Samsca PMS in ADPKD Patients

An observational study in Safety, sponsored by Korea Otsuka Pharmaceutical Co., Ltd.. Completed at 1 site in South Korea. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-07-24.

Sponsored by Korea Otsuka Pharmaceutical Co., Ltd. · Observational

Study type
Observational
Model
Case-only
Time perspective
Prospective
Enrollment
2,067
Ages
18 Years and older
Sex
All
01

Study summary

This is a Post-Marketing Surveillance study(PMS) of Samsca® tablets in actual use in cases to slow the progression of cyst development and renal insufficiency in accordance with Korean regulations on Risk Management Plan(RMP) and New Drug Re-examination. This survey is a post-marketing, prospective, single-arm, all-cases survey conducted on approved indication, usage, dosage.

02

Conditions studied

  • Safety

Keywords

  • Post Marketing Surveillance
03

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

At least 600 patients will be enrolled for survey period (10 years). Especially, Liver injury cases of all patients in actual use of Samsca® Tablets to slow the progression of cyst development and renal insufficiency will be focused on monitoring.

Inclusion criteria

  1. 18 years and older patients with CKD(chronic kidney disease) stage 1 to 4 at initiation of treatment with evidence of rapidly progressing disease.
  2. Patients who need to be prescribed by Investigators who got registered in Risk Management Plan.
  3. Patients who have agreed and signed on conditions specified in Risk Management Plan.

Exclusion criteria

Exclusion Criteria:

  1. Patients with known or suspected hypersensitivity to tolvaptan or chemically related structures such as benzazepines or to any ingredient of the drug
  2. Patients requiring urgent intervention to raise serum sodium acutely.
  3. Inability of the patient to sense or appropriately respond to thirst.
  4. Hypovolemic hyponatremia
  5. Concomitant use of strong CYP3A(Cytochrome P450, family3, subfamily A) inhibitors
  6. Anuric patients
  7. Volume depletion patients
  8. Hypernatremia patients
  9. Women who are pregnant or possibly pregnant and lactation
  10. Patients with rare hereditary problems of galactose intolerance, the Lapp lactase deficiency or glucose-galactose malabsorption
  11. Patients who are applicable to permanent discontinuation criteria prior to initiation of Samsca® Tablets
04

Study design

Observational model
Case-only
Time perspective
Prospective
Enrollment
2,067 participants (actual)
Patient registry
No

Interventions

  • DrugTolvaptan

    Also known as: Samsca

05

What researchers measure

Primary outcomes

  1. The incidence rate and the number of Adverse Events (AE) / Adverse Drug Response (ADR)

    All adverse events (AEs) observed during/after the administration will be analyzed as safety assessment. The number of patients and the number of AE, ADR, Serious AE·ADR, Unexpected AE·ADR will be calculated (frequency and percentage).

    Time frame: 10 years

06

Study locations

1 site
  • Kim Med Clinic
    Ulsan, Gyeongsangnam-do, South Korea
07

Registry details

Key details

Study ID
NCT03406286
Lead sponsor
Korea Otsuka Pharmaceutical Co., Ltd.
Responsible party
Sponsor
First posted
Jan 23, 2018
Start date
Jul 19, 2016
Primary completion
Dec 2024
Completion
Dec 2024
Last update
Jul 24, 2025
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Jul 2025. You cannot join it, but the record below documents what was studied.

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