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Note: This record shows only the 20 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: Netherlands Trial Register
Last refreshed on: 28 April 2013
Main ID:  NTR845
Date of registration: 18/12/2006
Primary sponsor: Academic Medical Center (AMC), Department of Obstetrics and Gynaecology
Public title: MLPA And Karyotyping, an Evaluation (M.A.K.E.).
Scientific title: Prenatal diagnosis: MLPA and/ or karyotyping in amniotic fluid; Diagnostic acurracy, patient outcome en costs. - M.A.K.E.
Date of first enrolment: 1/2/2007
Target sample size: 4500
Recruitment status: pending
URL:  http://www.trialregister.nl/trialreg/admin/rctview.asp?TC=845
Study type:  intervention
Study design:  Randomised: No; Masking: Double; Control: Not applicable; Group: [default]; Type: -  
Countries of recruitment
The Netherlands
Contacts
Name: J.M.M.  Lith, van
Address:  Onze Lieve Vrouwe Gasthuis (OLVG), Department of Obstetrics and Gynaecology, P.O. Box 95500, Oosterpark 9 1090 HM Amsterdam The Netherlands
Telephone: +31 (0)20 5993477
Email: j.m.m.vanlith@olvg.nl
Affiliation: 
Name: Elisabeth  Boormans
Address:  Onze Lieve Vrouwe Gasthuis (OLVG), Department of Obstetrics and Gynaecology, P.O. Box 95500, Oosterpark 9 1090 HM Amsterdam The Netherlands
Telephone: +31 (0)20 5993477
Email: e.m.a.boormans@olvg.nl
Affiliation: 
Key inclusion & exclusion criteria
Inclusion criteria: 1. Amniocentesis is performed;
2. The referral indication is advanced maternal age and/or increased risk after PNS;
3. Age > or = 18 years;
4. No language barriers;
5. Informed consent is given;
6. Singleton pregnancies.

Exclusion criteria: Other referral indications: parent (s) with chromosome aberration, ultrasound abnormalities, previous child with chromosome aberration.

Age minimum:
Age maximum:
Gender:
Health Condition(s) or Problem(s) studied
Fetal aneuploidy, Trisomy 13, Trisomy 18, Trisomy 21, Sex chromosome abnormalities

Intervention(s)
Both MLPA and Karyotyping are carried out.
MLPA (multiplex ligation-dependent probe amplification) is a molecular genetic technique in prenatal diagnosis using amniotic fluid. In this study a commercially available kit, P095 is used (produced by MRC Holland and widely tested).
The MLPA-result is known in 2-4 days. To perform MLPA 2-4ml of amniotic fluid is required. Such an amount is available since routinely 15-20 ml of amniotic fluid is obtained. If there is too little amniotic fluid (<12ml), MLPA will not be carried out in the study.
Karyotyping is carried out without any changes. The result is known in 2-3 weeks.
Primary Outcome(s)
Diagnostic accuracy, technical performance (inconclusive or missing results), technical capacity.
Secondary Outcome(s)
Patient anxiety and distress, cost-effectiveness, unexpected findings and patient preference.
Secondary ID(s)
80-007029-98-07-047
ISRCTN47252164
Source(s) of Monetary Support
ZON-MW, The Netherlands Organization for Health Research and Development
Secondary Sponsor(s)
Onze Lieve Vrouwe Gasthuis (OLVG), Department of Obstetrics and Gynaecology
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