Long-Term Safety and Efficacy of rFIXFc in the Prevention and Treatment of Bleeding Episodes in Previously Treated Participants With Hemophilia B (B-YOND)
An Open-Label, Multicenter, Evaluation of the Long-Term Safety and Efficacy of Recombinant Human Coagulation Factor IX Fusion Protein (rFIXFc) in the Prevention and Treatment of Bleeding Episodes in Previously Treated Subjects With Hemophilia B
The primary objective of the study is to evaluate the long-term safety of rFIXFc in participants with hemophilia B.
The secondary objective of this study is to evaluate the efficacy of rFIXFc in the prevention and treatment of bleeding episodes.
Studieoversikt
Status
Status
Forhold
Forhold
Intervensjon / Behandling
Intervensjon / Behandling
Detaljert beskrivelse
Studietype
Studietype
Registrering (Faktiske)
Registrering
Fase
Fase
- Fase 3
Kontakter og plasseringer
Studiesteder
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South Australia
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Adelaide, South Australia, Australia, 5000
- Research Site
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Victoria
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Parkville, Victoria, Australia, 3052
- Research Site
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Western Australia
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Murdoch, Western Australia, Australia, 6150
- Research Site
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Perth, Western Australia, Australia, 6008
- Research Site
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Bruxelles, Belgia, 1200
- Research Site
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Leuven, Belgia, 3000
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Sao Paulo
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Campinas, Sao Paulo, Brasil, 13083-878
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Ontario
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Toronto, Ontario, Canada, M5B 1W8
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Quebec
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Montreal, Quebec, Canada, H3T 1C5
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Arizona
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Phoenix, Arizona, Forente stater, 85016
- Research Site
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California
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Sacramento, California, Forente stater, 95817
- Research Site
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Colorado
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Aurora, Colorado, Forente stater, 80045
- Research Site
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Georgia
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Atlanta, Georgia, Forente stater, 30322
- Research Site
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Hawaii
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Honolulu, Hawaii, Forente stater, 96826
- Research Site
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Indiana
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Indianapolis, Indiana, Forente stater, 46260
- Research Site
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Louisiana
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New Orleans, Louisiana, Forente stater, 70112
- Research Site
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Michigan
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East Lansing, Michigan, Forente stater, 48823
- Research Site
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Pennsylvania
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Pittsburgh, Pennsylvania, Forente stater, 15213
- Research Site
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Washington
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Seattle, Washington, Forente stater, 98104
- Research Site
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Bouches-Du-Rhône
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Marseille, Bouches-Du-Rhône, Frankrike, 13385
- Research Site
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Hong Kong, Hong Kong
- Research Site
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New Territories
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Hong Kong, New Territories, Hong Kong
- Research Site
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Karnataka
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Bangalore, Karnataka, India, 560034
- Research Site
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Maharashtra
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Pune, Maharashtra, India, 411004
- Research Site
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Tamil Nadu
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Vellore, Tamil Nadu, India, 632004
- Research Site
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Dublin, Irland, D12 N512
- Research Site
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Florence, Italia, 50134
- Research Site
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Milano, Italia, 20122
- Research Site
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Aichi-Ken
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Nagoya-Shi, Aichi-Ken, Japan, 466-8550
- Research Site
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Fukuoka-Ken
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Kitakyushu, Fukuoka-Ken, Japan, 807-8555
- Research Site
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Kanagawa-Ken
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Kawasaki, Kanagawa-Ken, Japan, 216-8511
- Research Site
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Nara-Ken
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Kashihara-shi, Nara-Ken, Japan, 634-8522
- Research Site
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Tokyo-To
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Shinjuku-ku, Tokyo-To, Japan, 160-0023
- Research Site
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Tokyo, Tokyo-To, Japan, 167-8515
- Research Site
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Beijingshì
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Beijing, Beijingshì, Kina, 100005
- Research Site
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Guangdongsheng
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Guangzhou, Guangdongsheng, Kina, 510515
- Research Site
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Shànghaishì
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Shanghai, Shànghaishì, Kina, 200025
- Research Site
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Tianjinshì
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Tianjing, Tianjinshì, Kina, 300020
- Research Site
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Utrecht, Nederland, 3584 CX
- Research Site
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Lodz, Polen, 93-510
- Research Site
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Cambridgeshire
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Cambridge, Cambridgeshire, Storbritannia, CB2 0QQ
- Research Site
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Greater London
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London, Greater London, Storbritannia, E1 1BB
- Research Site
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London, Greater London, Storbritannia, SE1 7EH
- Research Site
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Hampshire
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Basingstoke, Hampshire, Storbritannia, RG24 9NA
- Research Site
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Malmö, Sverige, 20502
- Research Site
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Stockholm, Sverige, 17176
- Research Site
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Gauteng
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Johannesburg, Gauteng, Sør-Afrika, 2193
- Research Site
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Western Cape
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Cape Town, Western Cape, Sør-Afrika, 7925
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North Rhine-westphalia
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Bonn, North Rhine-westphalia, Tyskland, 53127
- Research Site
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Deltakelseskriterier
Kvalifikasjonskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
- Barn
- Voksen
- Eldre voksen
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Key Inclusion Criteria:
- Subjects who have completed studies 998HB102 (NCT01027364) or 9HB02PED (NCT01440946) or other studies with rFIXFc
- Ability to understand the purposes & risks of the study and provide signed and dated informed consent.
Key Exclusion Criteria:
- High-titer inhibitor (>/=5.00 BU/mL)
NOTE: Other protocol defined Inclusion/ Exclusion criteria may apply.
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: Ikke-randomisert
- Intervensjonsmodell: Parallell tildeling
- Masking: Ingen (Open Label)
Antall våpen
Våpen og intervensjoner
Deltakergruppe / ArmDeltakergruppe / Arm |
Intervensjon / BehandlingIntervensjon / Behandling |
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Eksperimentell: On-Demand
The individual dose of rFIXFc to treat bleeding episodes will be based on participant's clinical condition, type and severity of the bleeding event, and if indicated, Factor IX peak (recovery) levels.
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Administered as specified in the treatment arm.
Andre navn:
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Eksperimentell: Prophylaxis
Weekly prophylaxis, individualized prophylaxis or personalized prophylaxis available.
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Administered as specified in the treatment arm.
Andre navn:
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Hva måler studien?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
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Number of Participants With Any Positive Inhibitor Development
Tidsramme: Approximately 5 years
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An inhibitor test result greater than or equal to (>=)0.6 Bethesda units per milliliter (BU/mL), confirmed on 2 separate samples drawn 2 to 4 weeks apart, was considered positive.
Both tests were to be performed by the central laboratory using the Nijmegen-modified Bethesda Assay.
Data was summarized by treatment regimen for participants from Study 998HB102 and by age cohort (<6 years and 6 to <12 years old) and treatment regimen for participants from Study 9HB02PED per planned analysis.
Participants were included in summary of more than 1 treatment regimen if their regimen changed during study.
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Approximately 5 years
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
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Annualized Bleeding Rate (ABR)
Tidsramme: Approximately 5 years
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ABR is annualized number of bleeding episodes per participant per year.
Bleeding episodes were classified as spontaneous if participant records bleeding event when there is no known contributing factor such as definite trauma/antecedent strenuous activity and classified as traumatic if participant records bleeding event when there is known reason for bleed.
ABR=(Number of bleeding episodes during efficacy period/number of days during efficacy period)*365.25.
Efficacy period reflects sum of all intervals of time during which participants were treated with rFIXFc per treatment regimen excluding major and minor surgical/rehabilitation periods and large injection intervals.
ABR was summarized by treatment regimen for participants from study 998HB102 and by age cohort (<6 years and 6 to <12 years old) and treatment regimen for participants from study 9HB02PED per planned analysis.
Participants were included in summary of more than 1 treatment regimen if their regimen changed during study.
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Approximately 5 years
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Annualized Spontaneous Joint Bleeding Episodes
Tidsramme: Approximately 5 years
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Bleeding episodes were classified as spontaneous if participant records a bleeding event when there is no known contributing factor such as definite trauma/antecedent strenuous activity.
In addition, location of bleed (joint, internal, skin/mucosa or muscle) were also collected.
Annualized spontaneous joint bleeding episodes=(Number of spontaneous joint bleeding episodes during efficacy period/number of days during efficacy period)*365.25.
Efficacy period reflects sum of all intervals of time during which participants were treated with rFIXFc per treatment regimen excluding major and minor surgical/rehabilitation periods and large injection intervals.
Bleeding episodes were summarized by treatment regimen for participants from study 998HB102 and by age cohort (<6 years and 6 to <12 years old) and treatment regimen for participants from study 9HB02PED as per planned analysis.
Participants were included in summary of more than 1 treatment regimen if their regimen changed during study.
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Approximately 5 years
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Total Number of Exposure Days (EDs)
Tidsramme: Approximately 5 years
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An exposure day is a 24-hour period in which one or more rFIXFc injections are given.
The total number of days of exposure to rFIXFc were summarized by treatment regimen for participants from study 998HB102 and by age cohort (<6 years and 6 to <12 years old) and treatment regimen for participants from study 9HB02PED as per planned analysis.
Participants were included in summary of more than 1 treatment regimen if their regimen changed during study.
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Approximately 5 years
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Annualized rFIXFc Consumption (International Units Per Kilogram [IU/kg])
Tidsramme: Approximately 5 years
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Annualized consumption = (total international unit per kilogram [IU/kg] of study treatment received during the efficacy period / total number of days during the efficacy period) multiplied by 365.25.
Efficacy period reflects sum of all intervals of time during which participants were treated with rFIXFc per treatment regimen excluding major and minor surgical/rehabilitation periods and large injection intervals.
Annualized consumption was summarized by treatment regimen for participants from study 998HB102 and by age cohort (<6 years and 6 to <12 years old) and treatment regimen for participants from study 9HB02PED as per planned analysis.
Participants were included in summary of more than 1 treatment regimen if their regimen changed during study.
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Approximately 5 years
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Physicians' Global Assessment of Participant's Response to rFIXFc Regimen Using a 4-Point Scale
Tidsramme: Approximately 5 years
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Participants were assessed for response to their rFIXFc regimen using following 4-point scale: 1=Excellent: bleeding episodes responded to less than or equal to (<=)usual number of injections or dose of rFIXFc or rate of breakthrough bleeding during prophylaxis was <= that usually observed; 2=Effective: most bleeding episodes responded to same number of injections and dose, but some required more injections or higher doses, or there was minor increase in rate of breakthrough; 3=Partially Effective: bleeding episodes most often required more injections and/or higher doses than expected or adequate breakthrough bleeding prevention during prophylaxis required more frequent injections and/or higher doses and 4=Ineffective: routine failure to control hemostasis/hemostatic control require additional agents.
Total number of scale responses =total count of scale responses for all participants; multiple responses per participant including those at scheduled and unscheduled visits are counted.
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Approximately 5 years
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Participant's Assessment of Response (Excellent or Good Response) to rFIXFc Injections for the Treatment of Bleeding Episodes Using a 4-Point Scale
Tidsramme: Approximately 5 years
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Using eDiary, participant received rating for treatment response to any bleeding episode (BE) using 4-point scale- 1=Excellent: Abrupt pain relief and/or improvement in signs of bleeding within approximately (approx.) 8 hours (h) after initial injection (inj.);
2=Good: Definite pain relief and/or improvement in signs of bleeding within approx.
8h after an injection, but possibly requiring more than 1 injection after 24-48h for complete resolution; 3=Moderate: Probable/slight beneficial effect within 8h after initial injection and requires more than 1 injection and 4=None: No improvement, or condition worsens within approx.
8h after initial injection.
This assessment was to be made approx.
8 to 12h from time the injection was given to treat BE and prior to any additional doses of rFIXFc given for same bleeding episode.
Percentages are based on the number of bleeding episodes for which a response (excellent or good) was provided for the first injection during the efficacy period.
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Approximately 5 years
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Samarbeidspartnere og etterforskere
Sponsor
Sponsor
Etterforskere
Etterforskere
- Studieleder: Medical Director, Bioverativ Therapeutics Inc.
Publikasjoner og nyttige lenker
Studierekorddatoer
Studer hoveddatoer
Studiestart (Faktiske)
Studiestart
Primær fullføring (Faktiske)
Primær fullføring
Studiet fullført (Faktiske)
Studiet fullført
Datoer for studieregistrering
Først innsendt
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Først lagt ut
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Sist oppdatering lagt ut
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Nøkkelord
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
Andre studie-ID-numre
- 9HB01EXT
- 2011-003075-11
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