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Long-term efficacy and safety of lvaptan amonG KorEan paTients witH ADPKD: prospectivE cohoRt study (TOGETHER)

Long-term efficacy and safety of lvaptan amonG KorEan paTients witH ADPKD: prospectivE cohoRt study (TOGETHER)

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0010865
Enrollment
300
Registered
2025-08-08
Start date
2025-09-01
Completion date
Unknown
Last updated
2025-08-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

None listed

Sponsors

Hallym University Medical Center-Kangnam
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Patients aged 18 and above - Patients falling under CKD stage 2-3 at the first administration and patients with rapidly progressing ADPKD (Mayo class 1C, 1D, and 1E) who took tolvaptan for the first time to delay cyst formation and the decline in kidney function - Subjects with kidney function test results checked at least twice over at least one year prior to tolvaptan treatment

Exclusion criteria

Exclusion criteria: - Patients took or is taking an investigational product in an ADPKD-related drug interventional study within 6 months prior to enrollment in this study - If it is difficult to use tolvaptan due to pregnancy, childbirth, breastfeeding, etc. - If it is difficult to take scans for radiological examinations (CT) to measure the effect of tolvaptan - Patients with severe renal impairment (e.g., Patients with currently active glomerulonephritis, kidney cancer, having a single kidney, history of renal surgery within the last 3 years, etc.) - Patients with severe hepatic impairments (e.g., Cirrhosis, viral hepatitis, unspecified liver function test abnormalities (ALT or AST > 3 x ULN or total bilirubin > 2 x ULN, etc.), etc.) - Patients with hyponatremia or hypernatremia - Patients with anuria - Patients with volume depletion - Patients who are unable to sense or appropriately respond to thirst - Patients who do not give their consent to participate in the study - Patients deemed ineligible to participate in this study by the investigator

Design outcomes

Primary

MeasureTime frame
Change in the height-adjusted total kidne volume

Secondary

MeasureTime frame
change rate in the eGFR slope before/after tolvaptan administration;change rate in the htTLV slope before/after tolvaptan administration;Change in cardiac outcome (echoCG, EKG, BNP, BP);change rate in muscle mass before/after tolvaptan administration;Differences in patient-reported outcomes before/after tolvaptan treatment

Countries

Korea, Republic of

Contacts

Public ContactHayne Park

Hallym University Medical Center-Kangnam

haynepark798@gmail.com+82-2-829-5407

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026