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Trial · NCT04064346

Registered outcomes20

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

ListOutcomeTime frameDescription
PrimaryAnnualized Change in Estimated Glomerular Filtration Rate (eGFR) - Part 1Baseline to the end of Follow-up Period I (up to 71 weeks)
The annualized change in eGFR will be calculated from the Chronic Kidney Disease Epidemiology Collaboration eGFR creatinine equation refit without the race variable (CKD-EPIcr\_R) equation for serum creatinine from baseline (mean of 3 eGFR determinations obtained during Screening and Placebo Run-in Periods \[Visits 1a/1b (if required), Visit 2, and Visit 3\]) to final assessment (mean of 3 eGFR determinations obtained during Follow-up Period I or, for participants who discontinue treatment prior to Visit 22, during the Follow-up Period 8 to 28 days following study drug treatment discontinuation).
PrimaryAnnualized Change in Estimated Glomerular Filtration Rate (eGFR) - Part 2Baseline to the end of Follow-up Period II (up to 64 weeks)
The annualized change in eGFR will be calculated from the CKD-EPIcr\_R equation for serum creatinine from baseline (mean of 3 eGFR determinations obtained during obtained during Follow-up Period I) to final assessment (mean of 3 eGFR determinations obtained during Follow-up Period II or, for participants who discontinue treatment prior to Visit 43, during the Follow-up Period 8 to 28 days following study drug treatment discontinuation).
SecondaryNumber of Participants With Serum Alanine Aminotransferase (ALT) Levels >3 × the Upper Limit of Normal (ULN) - Part 1From the end of the Single-blind Lixivaptan Titration Period to the end of Follow-up Period I (maximum of 102 days)
Number of participants randomized to lixivaptan with serum ALT levels \>3 × the ULN compared to those randomized to placebo. The normal range of ALT was defined as 0-33 or 0-44 U/L, depending on the lab used.
SecondaryNumber of Participants With Serum ALT Levels >3 × the ULN - Part 2Duration of the Lixivaptan Re-titration Period and the Maintenance Treatment Period (56 weeks) and Follow-up Period II (4 weeks)
Number of participants randomized to lixivaptan with serum ALT levels \>3 × ULN compared to those randomized to placebo. The normal range of ALT was defined as 0-33 or 0-44 U/L, depending on the lab used.
SecondaryeGFR Slope - Part 1Baseline to the end of Double-blind Randomized Treatment Period (up to 67 weeks), with changes from baseline calculated every 4 weeks during the Double-blind Randomized Treatment Period
Annualized rate of change (slope) in eGFR for serum creatinine, based on all eGFR determinations from baseline to all visits with on-treatment eGFR values during the Double-blind, Randomized Treatment Period. The baseline value will be calculated as the mean of 3 eGFR determinations obtained during Screening and Placebo Run-in Periods (Visits 1a/1b \[if required\], Visit 2, and Visit 3).
SecondaryeGFR Slope - Part 2Baseline to the end of the Maintenance Treatment Period (up to 60 weeks), with changes from baseline calculated every 4 weeks during the Maintenance Treatment Period
Annualized rate of change (slope) in eGFR for serum creatinine, based on all eGFR determinations from baseline to all visits with on-treatment eGFR values during the Maintenance Treatment Period. The baseline value will be calculated as the mean of 3 eGFR determinations obtained during obtained during Follow-up Period I.
SecondaryHeight-adjusted Total Kidney Volume (htTKV) - Part 1Baseline to the end of Follow-up Period I (up to 71 weeks)Annualized percent change in htTKV, determined by magnetic resonance imaging (MRI), from baseline (obtained at Screening \[Visit 1a\]) to the end of Follow-up Period I.
SecondaryHeight-adjusted Total Kidney Volume (htTKV) - Part 2Baseline to the end of Follow-up Period II (up to 60 weeks)Annualized percent change in htTKV, determined by MRI from baseline (obtained at Visit 25/Week 56) to the end of Follow-up Period II.
SecondaryNumber of Participants With Treatment-emergent Adverse Events (TEAEs) During the Lixivaptan Titration Period in Part 1Up to 6 weeksNumber of participants with TEAEs during the Lixivaptan Titration Period.
SecondaryNumber of Participants With TEAEs After Randomization in Part 1From Randomization to study completion (up to 102 days)Number of participants with TEAEs by treatment group after Randomization (Double-blind Randomized Treatment Period and Follow-up Period I)
SecondaryNumber of Participants With TEAEs in Part 2Up to 60 weeksNumber of participants with TEAEs by treatment cohort during Part 2 (Lixivaptan Re-titration Period, Maintenance Treatment Period, and Follow-up Period II).
SecondaryNumber of Participants With Potentially Clinically Important Clinical Laboratory Findings During the Lixivaptan Titration Period in Part 1Up to 6 weeks
Number of participants with clinical laboratory findings (clinical chemistry, hematology and urinalysis) recorded during the Lixivaptan Titration Period and considered to be potentially clinically important.
SecondaryNumber of Participants With Potentially Clinically Important Clinical Laboratory Findings After Randomization in Part 1From Randomization to last clinical laboratory evaluation (up to 102 days)
Number of participants with clinical laboratory findings (clinical chemistry, hematology and urinalysis) recorded after Randomization (Double-blind Randomized Treatment Period and Follow-up Period I) and considered to be potentially clinically important, by treatment group.
SecondaryNumber of Participants With Potentially Clinically Important Clinical Laboratory Findings in Part 2Up to 60 weeks
Number of participants with clinical laboratory findings (clinical chemistry, hematology and urinalysis) recorded during Part 2 (Lixivaptan Re-titration Period, Maintenance Treatment Period, and Follow-up Period II) and considered to be potentially clinically important, by treatment cohort.
SecondaryNumber of Participants With Potentially Clinically Important Vital Signs Findings During the Lixivaptan Titration Period in Part 1Up to 6 weeks
Number of participants with vital signs findings (heart rate, diastolic and systolic blood pressure, weight) recorded during the Lixivaptan Titration Period and considered to be potentially clinically important.
SecondaryNumber of Participants With Potentially Clinically Important Vital Signs Findings After Randomization in Part 1From Randomization to last measurement of vital signs (up to 102 days)
Number of participants with vital signs findings (heart rate, diastolic and systolic blood pressure, weight) recorded after Randomization (Double-blind Randomized Treatment Period and Follow-up Period I) and considered to be potentially clinically important, by treatment group.
SecondaryNumber of Participants With Potentially Clinically Important Vital Signs Findings in Part 2Up to 60 weeks
Number of participants with vital signs findings (heart rate, diastolic and systolic blood pressure, weight) recorded during Part 2 (Lixivaptan Re-titration Period, Maintenance Treatment Period, and Follow-up Period II) and considered to be potentially clinically important, by treatment cohort.
SecondaryNumber of Participants With Potentially Clinically Significant 12-lead Electrocardiogram (ECG) Findings During the Lixivaptan Titration Period in Part 1Up to 6 weeks
Number of participants with ECG findings recorded during the Lixivaptan Titration Period and considered to be potentially clinically important (defined as a QT interval corrected for heart rate according to Fridericia's formula \[QTcF\] ≥ 450 msec).
SecondaryNumber of Participants With Potentially Clinically Significant 12-lead ECG Findings After Randomization in Part 1From Randomization to last ECG (up to 102 days)
Number of participants with ECG findings recorded after Randomization (Double-blind Randomized Treatment Period and Follow-up Period I) and considered to be potentially clinically important (defined as a QTcF ≥ 450 msec), by treatment group.
SecondaryNumber of Participants With Potentially Clinically Significant 12-lead ECG Findings in Part 2Up to 60 weeks
Number of participants with ECG findings recorded during Part 2 (Lixivaptan Re-titration Period, Maintenance Treatment Period, and Follow-up Period II) and considered to be potentially clinically important (defined as a QTcF ≥ 450 msec), by treatment cohort.

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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