- ICH GCP
- Реестр клинических исследований США
- Клиническое испытание NCT03412838
Factors Influencing Bone Block Allograft Resorption
Factors Influencing Bone Block Allograft Resorption. A Randomized Clinical Trial
Обзор исследования
Подробное описание
Introduction: A main drawback of bone block graft surgery is the resorption occurring in early stages of healing. The aim of this work was investigate different factors associated with graft resorption in allogeneic bone block graft surgery.
Materials and methods: Twenty-eight patients referred for implant placement and with insufficient bucco-lingual (BL) alveolar bone width (<4 mm) were included in the study. Patients received freeze dried bone allograft (FDBA) blocks of either allogeneic cancellous or cortico-cancellous bone obtained from the iliac crest. The aforementioned groups were compared in regards to bone resorption using General Estimating Equations (GEE) and logistic regression. Demographic data, trabecular bone density, graft site were also analyzed.
Тип исследования
Регистрация (Действительный)
Фаза
- Непригодный
Критерии участия
Критерии приемлемости
Возраст, подходящий для обучения
Принимает здоровых добровольцев
Полы, имеющие право на обучение
Описание
Inclusion Criteria:
- Twenty eight totally and partially edentulous patients referred for dental implant therapy from January 2011 to September 2015 were enrolled in the study. All patients had insufficient bucco-lingual (BL) alveolar bone width (<4 mm) that prevented placement of regular size implants
Exclusion Criteria:
- Patients with severe systemic disease (American Society of Anesthesiology III or IV) were excluded from the study. In addition, patients who were pregnant, or patients with diseases affecting bone, such as Paget's disease, osteomalacia, diabetes, vitamin D deficiency, alcoholism, hyperthyroidism cancer or osteoporosis as well as those on medications that might affect bone metabolism, such as bisphosphonates, corticosteroids or antiepileptic medicaments were also excluded from the study.
Учебный план
Как устроено исследование?
Детали дизайна
- Основная цель: Уход
- Распределение: Рандомизированный
- Интервенционная модель: Параллельное назначение
- Маскировка: Двойной
Оружие и интервенции
Группа участников / Армия |
Вмешательство/лечение |
|---|---|
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Активный компаратор: Cortico-Cancellous
Graft surgery with cortico-cancellous block, freeze dried bone allograft (FDBA) for treatment the atrophic maxilla prior implant placement
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A graft surgery using bone allogenic blocks that are screwed over the atrophic sites of the maxilla to obtain bone augmentation to support dental implants
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Активный компаратор: Cancellous
Graft surgery with cancellous block, freeze dried bone allograft (FDBA) for treatment the atrophic maxilla prior implant placement
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A graft surgery using bone allogenic blocks that are screwed over the atrophic sites of the maxilla to obtain bone augmentation to support dental implants
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Что измеряет исследование?
Первичные показатели результатов
Мера результата |
Мера Описание |
Временное ограничение |
|---|---|---|
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Percentage of Bone Augmentation
Временное ограничение: 0 months
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A region of interest (ROI) containing the entire trabecular bone area of the alveolar ridge was created using the closed polygon tool of the OsiriX software.
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0 months
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Вторичные показатели результатов
Мера результата |
Мера Описание |
Временное ограничение |
|---|---|---|
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Percentage of bone resorption
Временное ограничение: 4 months
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A region of interest (ROI) containing the entire trabecular bone area of the alveolar ridge was created using the closed polygon tool of the OsiriX software.
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4 months
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Соавторы и исследователи
Следователи
- Главный следователь: Jesus Torres, Universidad Complutense de Madrid
Публикации и полезные ссылки
Общие публикации
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Даты записи исследования
Изучение основных дат
Начало исследования
Первичное завершение (Действительный)
Завершение исследования (Действительный)
Даты регистрации исследования
Первый отправленный
Впервые представлено, что соответствует критериям контроля качества
Первый опубликованный (Действительный)
Обновления учебных записей
Последнее опубликованное обновление (Действительный)
Последнее отправленное обновление, отвечающее критериям контроля качества
Последняя проверка
Дополнительная информация
Термины, связанные с этим исследованием
Ключевые слова
Другие идентификационные номера исследования
- P-15/566
Планирование данных отдельных участников (IPD)
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Информация о лекарствах и устройствах, исследовательские документы
Изучает лекарственный продукт, регулируемый FDA США.
Изучает продукт устройства, регулируемый Управлением по санитарному надзору за качеством пищевых продуктов и медикаментов США.
продукт, произведенный в США и экспортированный из США.
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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