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.
Обзор исследования
Статус
Статус
Условия
Условия
Вмешательство/лечение
Вмешательство/лечение
Подробное описание
Тип исследования
Тип исследования
Регистрация (Действительный)
Регистрация
Фаза
Фаза
- Фаза 3
Контакты и местонахождение
Места учебы
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South Australia
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Adelaide, South Australia, Австралия, 5000
- Research Site
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Victoria
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Parkville, Victoria, Австралия, 3052
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Western Australia
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Murdoch, Western Australia, Австралия, 6150
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Perth, Western Australia, Австралия, 6008
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Bruxelles, Бельгия, 1200
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Leuven, Бельгия, 3000
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Sao Paulo
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Campinas, Sao Paulo, Бразилия, 13083-878
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North Rhine-westphalia
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Bonn, North Rhine-westphalia, Германия, 53127
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Hong Kong, Гонконг
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New Territories
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Hong Kong, New Territories, Гонконг
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Karnataka
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Bangalore, Karnataka, Индия, 560034
- Research Site
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Maharashtra
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Pune, Maharashtra, Индия, 411004
- Research Site
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Tamil Nadu
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Vellore, Tamil Nadu, Индия, 632004
- Research Site
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Dublin, Ирландия, D12 N512
- Research Site
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Florence, Италия, 50134
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Milano, Италия, 20122
- Research Site
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Ontario
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Toronto, Ontario, Канада, M5B 1W8
- Research Site
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Quebec
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Montreal, Quebec, Канада, H3T 1C5
- Research Site
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Beijingshì
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Beijing, Beijingshì, Китай, 100005
- Research Site
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Guangdongsheng
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Guangzhou, Guangdongsheng, Китай, 510515
- Research Site
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Shànghaishì
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Shanghai, Shànghaishì, Китай, 200025
- Research Site
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Tianjinshì
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Tianjing, Tianjinshì, Китай, 300020
- Research Site
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Utrecht, Нидерланды, 3584 CX
- Research Site
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Lodz, Польша, 93-510
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Cambridgeshire
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Cambridge, Cambridgeshire, Соединенное Королевство, CB2 0QQ
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Greater London
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London, Greater London, Соединенное Королевство, E1 1BB
- Research Site
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London, Greater London, Соединенное Королевство, SE1 7EH
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Hampshire
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Basingstoke, Hampshire, Соединенное Королевство, RG24 9NA
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Arizona
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Phoenix, Arizona, Соединенные Штаты, 85016
- Research Site
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California
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Sacramento, California, Соединенные Штаты, 95817
- Research Site
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Colorado
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Aurora, Colorado, Соединенные Штаты, 80045
- Research Site
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Georgia
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Atlanta, Georgia, Соединенные Штаты, 30322
- Research Site
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Hawaii
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Honolulu, Hawaii, Соединенные Штаты, 96826
- Research Site
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Indiana
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Indianapolis, Indiana, Соединенные Штаты, 46260
- Research Site
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Louisiana
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New Orleans, Louisiana, Соединенные Штаты, 70112
- Research Site
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Michigan
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East Lansing, Michigan, Соединенные Штаты, 48823
- Research Site
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Pennsylvania
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Pittsburgh, Pennsylvania, Соединенные Штаты, 15213
- Research Site
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Washington
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Seattle, Washington, Соединенные Штаты, 98104
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Bouches-Du-Rhône
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Marseille, Bouches-Du-Rhône, Франция, 13385
- Research Site
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Malmö, Швеция, 20502
- Research Site
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Stockholm, Швеция, 17176
- Research Site
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Gauteng
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Johannesburg, Gauteng, Южная Африка, 2193
- Research Site
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Western Cape
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Cape Town, Western Cape, Южная Африка, 7925
- Research Site
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Aichi-Ken
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Nagoya-Shi, Aichi-Ken, Япония, 466-8550
- Research Site
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Fukuoka-Ken
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Kitakyushu, Fukuoka-Ken, Япония, 807-8555
- Research Site
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Kanagawa-Ken
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Kawasaki, Kanagawa-Ken, Япония, 216-8511
- Research Site
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Nara-Ken
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Kashihara-shi, Nara-Ken, Япония, 634-8522
- Research Site
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Tokyo-To
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Shinjuku-ku, Tokyo-To, Япония, 160-0023
- Research Site
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Tokyo, Tokyo-To, Япония, 167-8515
- Research Site
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Критерии участия
Критерии приемлемости
Критерии приемлемости
Возраст, подходящий для обучения
- Ребенок
- Взрослый
- Пожилой взрослый
Принимает здоровых добровольцев
Полы, имеющие право на обучение
Описание
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.
Учебный план
Как устроено исследование?
Детали дизайна
- Основная цель: Уход
- Распределение: Нерандомизированный
- Интервенционная модель: Параллельное назначение
- Маскировка: Нет (открытая этикетка)
Количество рук
Оружие и интервенции
Группа участников / АрмияГруппа участников / Армия |
Вмешательство/лечениеВмешательство/лечение |
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Экспериментальный: 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.
Другие имена:
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Экспериментальный: Prophylaxis
Weekly prophylaxis, individualized prophylaxis or personalized prophylaxis available.
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Administered as specified in the treatment arm.
Другие имена:
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Что измеряет исследование?
Первичные показатели результатов
Первичные показатели результатов
Мера результата |
Мера Описание |
Временное ограничение |
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Number of Participants With Any Positive Inhibitor Development
Временное ограничение: 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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Вторичные показатели результатов
Вторичные показатели результатов
Мера результата |
Мера Описание |
Временное ограничение |
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Annualized Bleeding Rate (ABR)
Временное ограничение: 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
Временное ограничение: 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)
Временное ограничение: 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])
Временное ограничение: 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
Временное ограничение: 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
Временное ограничение: 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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Соавторы и исследователи
Спонсор
Спонсор
Следователи
Следователи
- Директор по исследованиям: Medical Director, Bioverativ Therapeutics Inc.
Публикации и полезные ссылки
Даты записи исследования
Изучение основных дат
Начало исследования (Действительный)
Начало исследования
Первичное завершение (Действительный)
Первичное завершение
Завершение исследования (Действительный)
Завершение исследования
Даты регистрации исследования
Первый отправленный
Первый отправленный
Впервые представлено, что соответствует критериям контроля качества
Впервые представлено, что соответствует критериям контроля качества
Первый опубликованный (Оценивать)
Первый опубликованный
Обновления учебных записей
Последнее опубликованное обновление (Действительный)
Последнее опубликованное обновление
Последнее отправленное обновление, отвечающее критериям контроля качества
Последнее отправленное обновление, отвечающее критериям контроля качества
Последняя проверка
Последняя проверка
Дополнительная информация
Термины, связанные с этим исследованием
Ключевые слова
Дополнительные соответствующие термины MeSH
Другие идентификационные номера исследования
Другие идентификационные номера исследования
- 9HB01EXT
- 2011-003075-11
Эта информация была получена непосредственно с веб-сайта clinicaltrials.gov без каких-либо изменений. Если у вас есть запросы на изменение, удаление или обновление сведений об исследовании, обращайтесь по адресу register@clinicaltrials.gov. Как только изменение будет реализовано на clinicaltrials.gov, оно будет автоматически обновлено и на нашем веб-сайте. .
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