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临床试验/NL-OMON55745
NL-OMON55745已完成不适用

Establishing an etiological role of the gut microbiome in the antiphospholipid syndrome phenotype - ROMAS study

Academisch Medisch Centrum0 个研究点目标入组 40 人开始时间: 待定最近更新:
适应症

试验速览

阶段
不适用
状态
已完成
入组人数
40

研究概览

简要总结

暂无简介。

研究设计

研究类型
Observational

入排标准

年龄范围
18 至 99(—)

入选标准

  • In order to be eligible to participate in this study, a subject must meet the
  • revised Sapporo classification criteria for antiphospholipid syndrome:
  • At least one of the clinical and at least one of the laboratory criteria below
  • Clinical criteria
  • 1. Thrombosis
  • One or more clinical episodes of arterial, venous, or small vessel thrombosis,
  • in any tissue or organ. Thrombosis must be confirmed by objective validated
  • criteria (i.e., unequivocal findings of appropriate imaging studies or
  • histopathology).
  • 2. Pregnancy morbidity
  • (a) One or more unexplained deaths of a morphologically normal fetus at or
  • beyond the 10th week of gestation, with normal fetal morphology documented by
  • ultrasound or by direct examination of the fetus, or
  • (b) One or more premature births of a morphologically normal neonate before the
  • 34th week of gestation because of: (i) eclampsia or severe pre-eclampsia de*ned
  • according to standard de*nitions, or (ii) recognized features of placental
  • insu*ciency*,or
  • (c) Three or more unexplained consecutive spontaneous abortions before the 10th
  • week of gestation, with maternal anatomic or hormonal abnormalities and
  • paternal and maternal chromosomal causes excluded.
  • Laboratory criteria
  • a Lupus anticoagulant (LA) present in plasma, on two or more occasions at least
  • 12 weeks apart, detected according to the guidelines of the International
  • Society on Thrombosis and Haemostasis (Scienti*c Subcommittee on
  • LAs/phospholipid-dependent antibodies).
  • b. Anticardiolipin (aCL) antibody of IgG and/or IgM isotype in serum or plasma,
  • present in medium or high titer (i.e. >40 GPL or MPL, or >the 99th percentile),
  • on two or more occasions, at least 12 weeks apart, measured by a standardized
  • c. Anti-b2glycoprotein-I antibody of IgG and/or IgM isotype in serum or plasma
  • (in titer >the 99th percentile), present on two or more occasions, at least 12
  • weeks apart, measured by a standardized ELISA, according to recommended
  • procedures.

排除标准

  • - Age below 18 years
  • - Current use of antibiotics
  • - History of gastro-enteritis in the past month
  • - History of inflammatory bowel disease
  • - Current use of a vitamine K antagonist
  • - Planned change in the following medication during the study period (either
  • start, stop or dose change): platelet aggregation inhibitors, oral
  • anticoagulants, heparins, hormonal therapy.
  • - Current pregnancy or pregnancy in the past 6 weeks
  • - Arterial or venous thrombosis in the past month
  • - Allergy to vancomycin

研究者

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