Biorepository and Registry for Plasma Exchange Patients
Ориентир для пациента и семьи
Простыми словами
Автоматическая сводка по структурированным данным реестра. Она помогает сориентироваться, но не заменяет официальный протокол или оценку врача.
- Что изучают
- Это наблюдательное исследование: исследуемое лечение участникам по протоколу не назначают.
- Кому может быть актуально
- Состояния в реестре: Antibody-mediated Rejection, NMO Spectrum Disorder, TTP, CIDP. Базовые параметры: 12 лет — 99 лет · Все.
- Что важно проверить
- Возраст, диагноз и пол — только базовые ориентиры. Предыдущее лечение, анализы и другие обязательные условия указаны ниже в критериях участия.
- Где проводится
- США
- Следующий шаг
- Сохраните исследование, покажите его лечащему врачу и уточните актуальный статус у исследовательского центра. Расходы, документы и поездка →
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Официальное название
Assessment of Changes in Normal and Pathological Immune Factors in Patients Undergoing Plasma Exchange
Обзор
Patients who have immune mediated diseases commonly undergo plasma exchange (PLEX) procedures to remove pathological substances, typically believed to be antibodies. At our facility about 400 of these procedures are performed annually on 40-60 different patients. These procedures are considered within the standard of care for these patients and are covered by insurance. This study will not influence the treatment plan for subjects who participate in this study. The goal of the study is to collect and cryopreserve blood biospecimens (plasma, serum, PBMCs) for current and future studies. Any patient undergoing plasma exchange procedures will be eligible for the study. Patients or the legally authorized representative (LAR) will be consented for the study as soon as feasible after the are referred to DeGowin for plasma exchange. The immediate objective of the study is to examine antibody levels (IgG/IgM) and BAFF levels in the blood of these patients over the course of the plasma exchange treatments. Specimens and clinical data will be collected such that other immune factors that may regulate B cell survival, proliferation and antibody secretion can be studied. Another goal of the study is to isolate and cryopreserve PBMCs at different points during the patient's treatment. This would allow the study of immune cells that may mediate these diseases. The study will also follow pathological antibodies over time in these patients so biospecimens can be obtained even after the completion of their course of plasma exchange treatments. The collection of biospecimens and clinical information from these subjects will help us understand the impact of plasma exchange on both normal and pathological immune factors in a variety of patients undergoing these procedures.
Первичные конечные точки
- IgG and IgM antibody levels [Срок оценки: Levels over the course of treatment will be compared. Typically 1-2 weeks.]
Критерии участия
Pts undergoing plasma exchange therapy are eligible to be in this protocol
Критерии приведены из реестра в оригинале (на английском). Окончательную оценку соответствия проводит исследовательский центр.
Здоровые добровольцы: Нет
Дизайн исследования
- Модель наблюдения
- Когортное
Центры проведения
США · 1 центр
- DeGowin blood Center — Iowa City
Публикации
- Winters JL. Plasma exchange: concepts, mechanisms, and an overview of the American Society for Apheresis guidelines. Hematology Am Soc Hematol Educ Program. 2012;2012:7-12. doi: 10.1182/asheducation-2012.1.7. PMID 23233554
- Reeves HM, Winters JL. The mechanisms of action of plasma exchange. Br J Haematol. 2014 Feb;164(3):342-51. doi: 10.1111/bjh.12629. Epub 2013 Oct 30. PMID 24172059
- Mockel T, Basta F, Weinmann-Menke J, Schwarting A. B cell activating factor (BAFF): Structure, functions, autoimmunity and clinical implications in Systemic Lupus Erythematosus (SLE). Autoimmun Rev. 2021 Feb;20(2):102736. doi: 10.1016/j.autrev.2020.102736. Epub 2020 Dec 14. PMID 33333233
- Schiemann B, Gommerman JL, Vora K, Cachero TG, Shulga-Morskaya S, Dobles M, Frew E, Scott ML. An essential role for BAFF in the normal development of B cells through a BCMA-independent pathway. Science. 2001 Sep 14;293(5537):2111-4. doi: 10.1126/science.1061964. Epub 2001 Aug 16. PMID 11509691
Идентификаторы
NCT: NCT05004493 · 202104462