Registered outcomes16

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

1 to 16 of 16

List	Outcome	Time frame	Description
Primary	Number of Participants With Adverse Events (AEs) According to Baseline Characteristics	Baseline up to 6 months	AE: any untoward medical occurrence in participant who received study drug without regard to possibility of causal relationship. AE assessed by baseline characteristics (chr) included age, gender, pediatric/geriatric status, liver disorder, BeneFIX treatment (previously/newly), factor nine (FIX) gene mutation, prior exposure to plasma-derived FIX products, prior FIX regimen(s) utilized, personal history of FIX inhibitor, family history of hemophilia B, severity of bleeding, medical history, concomitant medication and therapy.
Primary	Number of Participants With Adverse Events (AEs) According to Severity	Baseline up to 6 months	AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. AE was assessed according to severity; mild (not causing any significant problem, dose adjustment not required), moderate (caused problem that does not interfere significantly with usual activities or the clinical status, dose adjustment needed due to adverse event) and severe (caused problem that interferes significantly with usual activities or the clinical status, study drug stopped due to adverse event).
Primary	Number of Participants With Action Taken in Response to Adverse Events (AEs)	Baseline up to 6 months	AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. After an onset of an AE, relevant actions were undertaken on the study drug or the participant. Actions related to study drug included: dosage reduced, dosage increased, stopped temporarily or permanently, no action taken; actions related to participants included: withdrawal from the study, concomitant medication, no action taken or any other as per physician's discretion.
Primary	Number of Participants With Adverse Events (AEs) According to Seriousness	Baseline up to 6 months	AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. Seriousness of an AE was assessed under the criteria of serious adverse event (SAE). An SAE was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly.
Primary	Number of Participants With Outcome in Response to Adverse Events (AEs)	Baseline up to 6 months	AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. Outcome of an AE was assessed based on response to a question 'Is the adverse event still present?' as 'yes', 'unknown' or 'no-resolved'.
Primary	Number of Participants With Adverse Events (AEs) by Relationship	Baseline up to 6 months	AE: untoward medical occurrence in participant who received study drug without regard to causal relationship. All causalities and drug-related AEs reported. Drug-related AEs based on physician's discretion: certain (AE after drug intake, not explained by other drugs, reaction on drug cessation \[DC\], relapse on re-intake of drug), probable/likely (AE after drug intake, not explained by other drugs, reaction on DC, no information on re-intake), possible (AE after drug intake, explained by other drugs, no information on DC), unlikely (not related to drug intake time, explained by other drugs).
Primary	Number of Participants With Unexpected Adverse Events (AEs)	Baseline up to 6 months	AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. Unexpected AEs were those that were not included in precaution of local product document.
Secondary	Mean Annualized Bleeding Rate (ABR)	Baseline up to 6 months	An annualized bleeding rate (ABR) was calculated as the number of bleeds requiring administration of BeneFIX (for on-demand therapy and surgery), divided by total period of bleeding multiplied by 365.25. Total period of bleeding is the number of days on treatment for prophylaxis purpose and on-demand therapy and surgery.
Secondary	Number of Responses to On-demand Treatment With Study Medication	Baseline up to 6 months	Responses to on-demand treatment were rated by participant/caregiver or physician each time the drug was administered, on 4-point scale. Score 1=excellent (definite pain relief \[PR\] and improvement \[imp\] within 8 hours \[h\] of infusion \[inf\], no additional inf); score 2=good (definite PR and imp within 8h of inf, at least 1 additional inf for complete resolution \[CR\] of bleeding or starting after 8h of inf, no additional inf); score 3=moderate (probable or slight imp starting after 8h of inf, at least 1 additional inf for CR of bleeding); score 4=no imp at all, or condition worsens).
Secondary	Mean Number of Infusion of Study Medication	Baseline up to 6 months	Mean frequency of BeneFIX administration of each participant was calculated from number of BeneFIX infusions which each participant received for treatment of each new bleed. Mean frequency of BeneFIX administration for total participants was summarized.
Secondary	Mean Number of Breakthrough Bleeds Within 48 Hours of Study Medication	Baseline up to 6 months	Mean frequency of breakthrough (spontaneous/non-traumatic) bleeds of each participant within 48 hours of a preventive/prophylaxis dose of BeneFIX was calculated from number of irregular bleeding which occurred in each participant. Mean frequency breakthrough bleeds for total participants within 48 hours of a preventive/prophylaxis dose of BeneFIX was summarized.
Secondary	Average Infusion Dose of Study Medication	Baseline up to 6 months	Average of dose per infusion per kilogram (kg) body weight was reported for prophylaxis purpose or on-demand therapy and surgery.
Secondary	Total Infusion of Study Medication	Baseline up to 6 months	Total dose of study drug infused was calculated over the study duration.
Secondary	Percentage of Participants With Efficacy Evaluation	Baseline up to 6 months	The efficacy of study drug was rated as 'very effective', 'effective', 'slightly ineffective' and 'ineffective'.
Other	Duration of Adverse Events (AEs)	Baseline up to 6 months	Total time from onset of adverse event till the event is resolved. Duration of AE per event = AE stop date minus AE start date plus 1.
Other	Number of Participants Who Discontinued the Study Due to Adverse Events (AEs)	Baseline up to 6 months	AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. Number of participants who discontinued the study due to AEs was 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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