Clinical Evaluation of the IONA Test for Non-invasive Pre Natal Screening in Twin Pregnancies
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 1,000
- 试验地点
- 2
- 主要终点
- Number of IONA test results which are concordant or discordant with Invasive test or Birth outcome.
研究概览
简要总结
The purpose of this study is to evaluate the performance of the IONA® test which is a non-invasive prenatal test (NIPT) for Down's syndrome and other chromosomal abnormalities in twin pregnancies, from a maternal blood sample.
详细描述
350 low risk and 150 high risk women with twin pregnancies will be recruited to produce a large cohort evaluation the use of the IONA test in twin pregnancies for Downs, Edwards and Patau syndrome. Reserve samples will also be used to further develop the test for other chromosomal abnormalities.
研究设计
- 研究类型
- Interventional
- 分配方式
- Non Randomized
- 干预模型
- Parallel
- 主要目的
- Screening
- 盲法
- None
入排标准
- 年龄范围
- 16 Years 至 —(Child, Adult, Older Adult)
- 性别
- Female
- 接受健康志愿者
- 是
入选标准
- •Currently pregnant with twin foetuses at time of entry to study
- •Have had or are about to have a conventional screening test (combined/quad test, ultrasound scan or other NIPT)
- •If identified as high risk, intend to undergo prenatal invasive diagnosis and/or undergoing invasive prenatal therapy such as laser treatment for TTTS where a sample of amniotic fluid is taken for karyotyping.
排除标准
- •Participant herself has down syndrome or other chromosomal abnormality
结局指标
主要结局
Number of IONA test results which are concordant or discordant with Invasive test or Birth outcome.
时间窗: 18 months
IONA test results will be compared to Karyotyping from birth outcome and invasive procedures.
次要结局
未报告次要终点
