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Trial · NCT05569759

Registered outcomes15

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

ListOutcomeTime frameDescription
PrimaryPatients Who Achieved Complete Biochemical ResponseWeek 12, Week 16, Week 20, and Week 24
The number of patients who achieve complete biochemical response (CR), defined as normal ALT, AST, and IgG values (if IgG level is elevated at Baseline) with glucocorticoid dose not higher than starting dose (at Baseline), by Week 24 of the Double-Blind Treatment Period. Analyses were also conducted at Week 12, Week 16, and Week 20.
PrimaryThe Safety and Tolerability of ZetomipzomibBaseline through end of study visit (DBTP, Week 28 and OLE, Up to Week 24)Proportion of participants who experience AEs (adverse events) and SAEs (serious adverse events) during the double-blind treatment period (DBTP) and the open-label extension (OLE).
PrimaryProportion of Participants Experiencing a Disease Flare Among the Participants Who Achieved a CR During the Double-blind Treatment PeriodStart of open-label extension (OLE) period through End of Study (EOS) up to OLE Week 25Proportion of participants experiencing a disease flare among the participants who achieved a complete biochemical response (CR) during the double-blind treatment period.
SecondaryAlanine Aminotransferase (ALT)Weeks 12, 16, 20, and 24Changes from baseline in alanine aminotransferase (ALT) during the double-blind treatment period.
SecondaryPartial ResponseWeeks 12, 16, 20, and 24Proportion of participants who achieved a partial response (PR) during the double-blind treatment period of the study.
SecondaryTime to Complete ResponseBaseline through Week 24
Time to complete response (CR), defined as the duration from first dose of study drug (zetomipzomib or placebo) to first CR, during the double-blind treatment period was measured using the Kaplan-Meier method. Due to the small sample size, not enough events of participants achieving CR were observed to provide Kaplan-Meier estimates for the 25th percentile, median, and 75th percentile time to CR.
SecondaryDisease Flare After CRWeek 24Proportion of participants who experienced a disease flare after complete response (CR) during the double-blind treatment period.
SecondaryTreatment FailuresWeek 24
Proportion of participants who were considered treatment failures, defined as ALT or AST level worsened ≥2 times that of the Baseline value that is sustained for ≥1 week as verified via repeat laboratory assessments, despite compliance with standard of care (ie, with regard to inclusion criteria) or protocol-defined therapy or a glucocorticoid dose is increased above the Baseline dose, it may be considered a treatment failure unless attributed to an adverse event not relating to AIH, during the double-blind treatment period.
SecondaryComplete Response With Glucocorticoid Taper to ≤10 mgWeeks 12, 16, 20, and 24Percentage of participants who achieved complete response with successful glucocorticoid taper to ≤10 mg by Week 24 of the double-blind treatment period.
SecondaryComplete Response With Glucocorticoid Taper to ≤5 mgWeeks 12, 16, 20, and 24Percentage of participants who achieved complete response and glucocorticoid taper to ≤5 mg by Week 24 of the double-blind treatment period.
SecondaryComplete Response With Glucocorticoid Taper to 0 mgWeeks 12, 16, 20, and 24Percentage of participants who achieved complete response with glucocorticoid taper to 0 mg by Week 24 of the double-blind treatment period.
SecondaryPartial Response With Glucocorticoid Taper to ≤10 mgWeek 24Percentage of participants who achieved partial response with successful glucocorticoid taper to ≤10 mg by Week 24 of the double-blind treatment period.
SecondaryPartial Response With Glucocorticoid Taper to ≤5 mgWeek 24Percentage of participants who achieved partial response and glucocorticoid taper to ≤5 mg by Week 24 of the double-blind treatment period.
SecondaryPartial Response With Glucocorticoid Taper to 0 mgWeek 24Percentage of participants who achieved partial response with glucocorticoid taper to 0 mg by Week 24 of the double-blind treatment period.
OtherChange From Baseline in Glucocorticoid DoseWeeks 12, 16, 20, and 24Mean change from Baseline in glucocorticoid dose for participants during the double-blind treatment period at Weeks 12, 16, 20 and 24

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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