NCT00065897

Brief Summary

Prenatal diagnosis can provide information to parents about specific fetal disorders. However, invasive prenatal diagnostic procedures are associated with risks to the fetus. This study will compare the safety and effectiveness of two methods of invasive prenatal diagnosis: amniocentesis and transabdominal chorionic villus sampling (TA CVS).

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
6,400

participants targeted

Target at P75+ for not_applicable pregnancy

Timeline
Completed

Started Sep 1996

Longer than P75 for not_applicable pregnancy

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 1996

Completed
3.9 years until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2000

Completed
3 years until next milestone

First Submitted

Initial submission to the registry

August 1, 2003

Completed
4 days until next milestone

First Posted

Study publicly available on registry

August 5, 2003

Completed
Last Updated

June 24, 2005

Status Verified

June 1, 2003

First QC Date

August 1, 2003

Last Update Submit

June 23, 2005

Conditions

Keywords

AmniocentesisTransabdominal chorionic villus samplingFluorescence in situ hybridizationAlpha fetoproteinAcetylcholinesterasePrenatal testingPrenatal diagnosis

Interventions

Eligibility Criteria

Age34 Years - 60 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Singleton pregnancy confirmed by baseline ultrasound
  • At least 77 days gestation but not more than 104 days gestation confirmed by baseline ultrasound

You may not qualify if:

  • Evidence of "vanishing" twin
  • Bleeding equivalent to a menstrual period at any time during this pregnancy
  • Medical history indicating serious maternal illness or potential teratogenic exposure
  • Oligohydramnios
  • Known fetal abnormality
  • Dating inconsistency: if the estimated gestation is 8 or more days less than estimated by LMP, the patient is excluded unless interval growth by ultrasound confirms the normalcy of the pregnancy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (2)

  • Jackson LG, Zachary JM, Fowler SE, Desnick RJ, Golbus MS, Ledbetter DH, Mahoney MJ, Pergament E, Simpson JL, Black S, et al. A randomized comparison of transcervical and transabdominal chorionic-villus sampling. The U.S. National Institute of Child Health and Human Development Chorionic-Villus Sampling and Amniocentesis Study Group. N Engl J Med. 1992 Aug 27;327(9):594-8. doi: 10.1056/NEJM199208273270903.

    PMID: 1640952BACKGROUND
  • Elejalde BR, de Elejalde MM, Acuna JM, Thelen D, Trujillo C, Karrmann M. Prospective study of amniocentesis performed between weeks 9 and 16 of gestation: its feasibility, risks, complications and use in early genetic prenatal diagnosis. Am J Med Genet. 1990 Feb;35(2):188-96. doi: 10.1002/ajmg.1320350210.

    PMID: 2309757BACKGROUND

MeSH Terms

Conditions

Pain

Interventions

Amniocentesis

Condition Hierarchy (Ancestors)

Neurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

CytodiagnosisCytological TechniquesClinical Laboratory TechniquesDiagnostic Techniques and ProceduresDiagnosisParacentesisSpecimen HandlingPrenatal DiagnosisDiagnostic Techniques, Obstetrical and GynecologicalPuncturesSurgical Procedures, OperativeInvestigative Techniques

Study Officials

  • Laird G. Jackson, M.D.

    Drexel University College of Medicine

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
FACTORIAL
Sponsor Type
NIH

Study Record Dates

First Submitted

August 1, 2003

First Posted

August 5, 2003

Study Start

September 1, 1996

Study Completion

August 1, 2000

Last Updated

June 24, 2005

Record last verified: 2003-06