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Trial · NCT05373264

Registered outcomes15

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryChanges in kidney function decline156 weeks
The primary outcome is the change in kidney function decline (assessed as eGFR slope, in ml/min/1.73 m2 per year), calculated with linear mixed models, using all available creatinine values from week 12 until end of treatment between the tolvaptan/placebo and tolvaptan/HCT group.
SecondaryChanges in eGFR from baseline compared to end of study (12 weeks after End of Treatment)168 weeksA secondary outcome is the change in eGFR from baseline compared to end of study (12 weeks after end of treatment)
SecondaryIncidence of 30% decrease in eGFR, end stage kidney disease (EKSD) or renal death168 weeks
A secondary outcome is the incidence of a 30% decrease in eGFR, occurrence of end stage kidney disease (EKSD) or renal death during the entire study period (until the end of study (12 weeks after end of treatment)
SecondaryChanges in 24-hour urine volume156 weeksA secondary outcome is the change in 24-hour urine volume, measured at baseline, week 12, week 48, week 96 and week 156 (end of treatment)
SecondaryQuality of life, assessed by the TIPS questionnaire156 weeksChanges in Quality of Life measured by the Tolvaptan Impact of Polyuria Scale questionnaire (TIPS) at baseline, week 12, week 48, week 96 and week 156 (end of treatment)
SecondaryQuality of life, assessed by the ADPKD-UIS questionnaire156 weeksChanges in Quality of Life measured by the ADPKD-Urinary Impact Scale questionnaire (ADPKD-UIS) at baseline, week 12, week 48, week 96 and week 156 (end of treatment)
SecondaryQuality of life, assessed by the SF-12 questionnaire156 weeksChanges in Quality of Life measured by the Short Form 12 questionnaire (SF-12) at baseline, week 12, week 48, week 96 and week 156 (end of treatment)
SecondaryQuality of life, assessed by the EQ-5D questionnaire156 weeksChanges in Quality of Life measured by the EuroQol-5 Dimension questionnaire (EQ-5D) at baseline, week 12, week 48, week 96 and week 156 (end of treatment)
SecondaryChange in V2RA dose168 weeksV2RA dose during each study visit and compared at the end of study visit (12 weeks after end of treatment) between tolvaptan/placebo and tolvaptan/hydrochlorothiazide group
SecondaryChange in V2RA discontinuation rate168 weeksThe V2RA discontinuation rate will be compared at the end of study visit (12 weeks after end of treatment) between tolvaptan/placebo and tolvaptan/hydrochlorothiazide group
SecondaryChanges in serum sodium concentration168 weeksChanges in serum sodium concentration between tolvaptan/placebo and tolvaptan/hydrochlorothiazide group, measured from baseline until the end of study (12 weeks after end of treatment)
SecondaryChanges in serum potassium concentration168 weeksChanges in serum potassium concentration between tolvaptan/placebo and tolvaptan/hydrochlorothiazide group, measured from baseline until the end of study (12 weeks after end of treatment)
SecondaryChanges in plasma serum calcium concentration168 weeksChanges in plasma serum calcium concentration between tolvaptan/placebo and tolvaptan/hydrochlorothiazide group, measured from baseline until the end of study (12 weeks after end of treatment)
SecondaryChanges in serum phosphate concentration168 weeksChanges in serum phosphate concentration between tolvaptan/placebo and tolvaptan/hydrochlorothiazide group, measured from baseline until the end of study (12 weeks after end of treatment)
SecondaryIncidence of (serious) adverse events168 weeksIncidence of (serious) adverse events from baseline until the end of study (12 weeks after end of treatment)

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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