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Trial · NCT03549871

Registered outcomes15

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

ListOutcomeTime frameDescription
PrimaryEstimated Annualized Bleeding Rate (ABR)
Factor/BPA prophylaxis period: Day -168 to Day -1 or up to last day of bleeding follow up (any day up to Day -1); 6-month fitusiran efficacy period: Day 29 to Day 190 or up to last day of bleeding follow up (any day up to Day 190), whichever was earliest
Bleeding episodes (BE): any occurrence of hemorrhage might require administration of factor/BPA. BE start time: time at which 1st BE symptoms develop; bleeding/any symptoms at same location occurred within 72 hours of last injection used to treat BE at that location was considered part of original BE and counted as 1 BE towards ABR. Bleeding began after 72 hours of last injection at that location was considered as a new event. ABR = total number of qualifying BE/total number of days in the respective period\*365.25. Estimated data were derived by using repeated measures negative binomial (NB) regression model.
PrimaryObserved Annualized Bleeding Rate (ABR)
Factor/BPA prophylaxis period: Day -168 to Day -1 or up to last day of bleeding follow up (any day up to Day -1); 6-month fitusiran efficacy period: Day 29 to Day 190 or up to last day of bleeding follow up (any day up to Day 190), whichever was earliest
A bleeding episode (BE): any occurrence of hemorrhage might require administration of factor/BPA. BE start time: time at which 1st BE symptoms develop; bleeding/any symptoms at same location that occurred within 72 hours of last injection used to treat BE at that location was considered a part of original BE and counted as 1 BE towards ABR. Any bleeding that began after 72 hours of last injection at that location was considered as a new event. ABR = total number of qualifying BE/number of days in the respective period \*365.25.
SecondaryEstimated Annualized Spontaneous Bleeding Rate
Factor/BPA prophylaxis period: Day -168 to Day -1 or up to last day of bleeding follow up (any day up to Day -1); 6-month fitusiran efficacy period: Day 29 to Day 190 or up to last day of bleeding follow up (any day up to Day 190), whichever was earliest
BE: any occurrence of hemorrhage that might require administration of factor/BPA infusion. BE start time: time at which 1st BE symptoms develop; bleeding/any symptoms at same location that occurred within 72 hours of last injection used to treat BE at that location was considered part of original BE and counted as 1 BE towards ABR. Bleeding began after 72 hours of last injection at that location was considered as a new event. Spontaneous BE: BE occurrence for no apparent/known reason, particularly into joints, muscles, and soft tissues. ABR = total number of qualifying BE/number of days in respective period \*365.25. Estimated data was derived using repeated measures NB regression model.
SecondaryObserved Annualized Spontaneous Bleeding Rate
Factor/BPA prophylaxis period: Day -168 to Day -1 or up to last day of bleeding follow up (any day up to Day -1); 6-month fitusiran efficacy period: Day 29 to Day 190 or up to last day of bleeding follow up (any day up to Day 190), whichever was earliest
BE: any occurrence of hemorrhage that might require administration of factor/BPA. BE start time: time at which 1st BE symptoms develop; bleeding/any symptoms at same location that occurred within 72 hours of last injection used to treat BE at that location was considered part of original BE and was counted as 1 BE towards ABR. Bleeding began after 72 hours from last injection at that location was considered as a new event. Spontaneous BE: bleeding event occurred for no apparent or known reason, particularly into joints, muscles and soft tissues. ABR = total number of qualifying BE/number of days in respective period \*365.25.
SecondaryEstimated Annualized Joint Bleeding Rate
Factor/BPA prophylaxis period: Day -168 to Day -1 or up to last day of bleeding follow up (any day up to Day -1); 6-month fitusiran efficacy period: Day 29 to Day 190 or up to last day of bleeding follow up (any day up to Day 190), whichever was earliest
BE: any hemorrhage that required administration of factor/BPA. BE start time: time at which 1st BE symptoms develop; bleeding/any symptoms at same location that occurred within 72 hours of last injection to treat BE at that location was considered part of original BE; counted as 1 BE towards ABR. Bleeding after 72 hours from last injection at that location was considered as a new event. Joint BE: characterized by unusual sensation in joint ("aura") + increasing swelling/warmth over joint skin, increasing pain/progressive loss of range of motion/difficulty in limb use compared to Baseline. ABR = total number of qualifying BE/number of days in respective period \*365.25. Estimated data were derived by using repeated measures NB regression model.
SecondaryObserved Annualized Joint Bleeding Rate
Factor/BPA prophylaxis period: Day -168 to Day -1 or up to last day of bleeding follow up (any day up to Day -1); 6-month fitusiran efficacy period: Day 29 to Day 190 or up to last day of bleeding follow up (any day up to Day 190), whichever was earliest
BE: any occurrence of hemorrhage that might require administration of factor/BPA. BE start time: time at which 1st BE symptoms develop; bleeding/any symptoms at same location that occurred within 72 hours of last injection used to treat BE at that location was considered part of original BE and counted as 1 BE towards ABR. Bleeding began after 72 hours from last injection at that location was considered as a new event. Joint BE: characterized by unusual sensation in joint (aura) increasing swelling/warmth over joint skin, increasing pain or progressive loss of range of motion/difficulty in limb use compared to Baseline. ABR = total number of joint BE/number of days in respective period\*365.25.
SecondaryChange in Haemophilia Quality of Life Questionnaire for Adults (Haem-A-QOL) Physical Health Score in the Fitusiran Treatment Period and the Factor or BPA Prophylaxis PeriodMonth -6 of Factor or BPA prophylaxis period (Baseline), Day 1 (Month 1) and Month 7 of fitusiran treatment period
Haem-A-QoL: participant-reported questionnaire for adults aged \>=17 years with hemophilia and comprised of 46 items covering 10 domains. Physical health domain (PHD) is assessed with 5 items rated on 5-point Likert scale: never, rarely, sometimes, often or all the time. Raw score for PHD were transformed to scale ranged from 0 to 100, where lower scores = better physical health. Least square (LS) mean and 95% confidence interval (CI) by mixed model for repeated measure (MMRM) analysis with robust sandwich covariance matrix: change from Month -6 to Day 1 and to Month 7 as response variable; period (factor/BPA prophylaxis \& fitusiran treatment) \& Baseline score (Month -6) as fixed effects.
SecondaryChange in Haemophilia Quality of Life Questionnaire for Adults Total Score in the Fitusiran Treatment Period and the Factor or BPA Prophylaxis PeriodMonth -6 of Factor or BPA prophylaxis period (Baseline), Day 1 (Month 1) and Month 7 of fitusiran treatment period
Haem-A-QoL: questionnaire for adults aged \>= 17 years with hemophilia; and comprised of 46 items covering 10 domains: physical health, feelings, view of yourself, sports and leisure, work and school, dealing with hemophilia, treatment, future, family planning, partnership and sexuality. Items were rated on 5-point Likert scale: never, rarely, sometimes, often or all time. Domain raw score was transformed to scale ranged from 0 to 100, where lower scores=better health. LS mean \& 95% CI by MMRM analysis with robust sandwich covariance matrix: change from Month -6 to Day 1 and to Month 7 as response variable; period (factor/BPA prophylaxis \& fitusiran treatment) \& Baseline score (Month -6) as fixed effects.
SecondaryEstimated Annualized Bleeding Rate in the Fitusiran Onset PeriodDay 1 up to Day 28 or up to the last day of bleeding follow up (any day up to Day 28), whichever was earliest
BE: any occurrence of hemorrhage that might require administration of factor/BPA. BE start time: time at which 1st BE symptoms develop; bleeding/any symptoms at same location that occurred within 72 hours of last injection used to treat BE at that location was considered part of original BE and was counted as 1 BE towards ABR. Bleeding began after 72 hours from last injection at that location was considered as new event. Estimated ABR and 95% CI was derived by using repeated measures NB regression model with logarithm of duration (years) that each participant spends in 1-Month fitusiran onset period matching BE data being analyzed as offset variable. ABR = total number of qualifying BE/number of days in respective period \*365.25.
SecondaryObserved Annualized Bleeding Rate in the Fitusiran Onset PeriodDay 1 up to Day 28 or up to the last day of bleeding follow up (any day up to Day 28), whichever was earliest
BE: any occurrence of hemorrhage that might require administration of factor/BPA. BE start time: time at which 1st BE symptoms develop; bleeding/any symptoms at same location that occurred within 72 hours of last injection used to treat BE at that location was considered a part of original BE and was counted as one BE towards ABR. Bleeding began after 72 hours from last injection at that location was considered as a new event. ABR= total number of qualifying BE/number of days in the 1-month onset period \*365.25. Analysis was based on on-treatment strategy which included all treated bleeding events in 1-month onset period and excluded any bleeding events in period of intercurrent events.
SecondaryEstimated Annualized Bleeding Rate in the Fitusiran Treatment PeriodFrom Day 1 up to Day 190
BE: defined as any occurrence of hemorrhage that might require administration of factor/BPA. BE start time was time at which 1st BE symptoms develop; bleeding/any symptoms at same location that occurred within 72 hours of last injection used to treat BE at that location was considered a part of original BE and counted as one BE towards ABR. Bleeding began after 72 hours from last injection at that location was considered as new event. Analysis was based on on-treatment strategy which included all treated bleeding events in fitusiran period and excluded any bleeding events in the period of intercurrent events. ABR = total number of qualifying BE/number of days in respective period \*365.25.
SecondaryObserved Annualized Bleeding Rate in the Fitusiran Treatment Periodfrom Day 1 up to Day 190
BE: any occurrence of hemorrhage that might require administration of factor/BPA. BE start time was time at which 1st BE symptoms develop; bleeding/any symptoms at same location that occurred within 72 hours of last injection used to treat BE at that location was considered a part of original bleeding event and was counted as one BE towards ABR. Any bleeding that began after 72 hours from last injection at that location was considered as a new event. ABR= total number of qualifying BE/number of days in treatment period \*365.25. Analysis was based on on-treatment strategy which included all treated bleeding events in fitusiran period and excluded any bleeding events in period of intercurrent events.
SecondaryCohort A: Annualized Weight-adjusted Consumption of BPA (Activated Prothrombin Complex Concentrates)
Factor/BPA prophylaxis period: Day -168 to Day -1 or up to last day of bleeding follow up (any day up to Day -1); 6-month fitusiran efficacy period: Day 29 to Day 190 or up to last day of bleeding follow up (any day up to Day 190), whichever was earliest
Annualized weight-adjusted BPA consumption was calculated for each participant during prophylaxis period as: \[Sum of BPA dose per body weight received during corresponding period/number of days in corresponding period\]\*365.25. In this outcome measure, data of annualized weight-adjusted consumption of BPA agent: aPCC (unit per kilogram \[U/kg\]) were reported.
SecondaryCohort A: Annualized Weight-adjusted Consumption of BPA (Recombinant Factor VIIa)
Factor/BPA prophylaxis period: Day -168 to Day -1 or up to last day of bleeding follow up (any day up to Day -1); 6-month fitusiran efficacy period: Day 29 to Day 190 or up to last day of bleeding follow up (any day up to Day 190), whichever was earliest
Annualized weight-adjusted BPA consumption was calculated for each participant during prophylaxis period as: (Sum of BPA dose per body weight received during corresponding period/number of days in corresponding period)\*365.25. In this outcome measure, data of annualized weight-adjusted consumption of BPA agents: rFVIIa (unit: micrograms per kg \[mcg/kg\]) were reported. Combined data of annualized weight-adjusted BPA consumption (mcg/kg) for both treated bleeds and prophylaxis purpose were reported in this outcome measure.
SecondaryCohort B: Annualized Weight-adjusted Consumption of Factor
Factor/BPA prophylaxis period: Day -168 to Day -1 or up to last day of bleeding follow up (any day up to Day -1); 6-month fitusiran efficacy period: Day 29 to Day 190 or up to last day of bleeding follow up (any day up to Day 190), whichever was earliest
Annualized weight-adjusted BPA consumption was calculated for each participant during prophylaxis period as: (Sum of BPA dose per body weight received during corresponding period/number of days in corresponding period)\*365.25. In this outcome measure, data of annualized weight-adjusted consumption of BPA agents: FVIII and FIX (unit: international Units \[IU\] per kg \[IU/kg\]) were reported.

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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