| Unique ID issued by UMIN | UMIN000061286 |
|---|---|
| Receipt number | R000068423 |
| Scientific Title | Decision Aid Intervention for Prenatal Testing: A Randomized Pilot Trial |
| Date of disclosure of the study information | 2026/04/17 |
| Last modified on | 2026/04/17 11:31:07 |
Decision Aid Intervention for Prenatal Testing: A Randomized Pilot Trial
"Evaluation of Decision Aid-Based Support for Prenatal Testing
Decision Aid Intervention for Prenatal Testing: A Randomized Pilot Trial
DA-PRENT Pilot
| Japan |
Pregnancy
| Nursing | Adult |
Others
NO
Feasibility evaluation of decision support intervention
Efficacy
1.Recruitment: At least 80% of target (at least 30 participants) in 6 months
2.Retention: At least 80% at T2, at least 70% at T3 (DCS completion)
3.Questionnaire completion: At least 90% among retained participants
4.DA acceptability: (a) At least 70% satisfaction 4 or higher (out of 5), (b) At least 80% recommendation willingness, (c) Mean Preparation for Decision Making 3.5 or higher (out of 5)
5.Intervention fidelity: At least 80% protocol adherence
Estimation of effect size on Decision Conflict Scale (DCS) for sample size calculation in a future definitive RCT
Interventional
Parallel
Randomized
Individual
Open -but assessor(s) are blinded
Active
YES
YES
Central registration
2
Educational,Counseling,Training
| Other |
Intervention Group: Decision Aid and Genetic counseling
Participants receive the Decision Aid booklet ("Guide for Thinking About Prenatal Testing") by mail prior to their scheduled genetic counseling appointment at an NIPT-certified facility, followed by standard genetic counseling.
Control Group :Genetic counseling only
Participants receive standard genetic counseling at NIPT-certified facilities without the Decision Aid intervention.
| 18 | years-old | <= |
| Not applicable |
Female
Participants must meet all of the following criteria:
Currently pregnant
Singleton pregnancy
Willing to receive genetic counseling regarding prenatal testing
Able to receive genetic counseling at a facility certified by the Committee for the Accreditation System for Prenatal Testing
Gestational age of 14 weeks 6 days or less at the time of genetic counseling
No previous experience with prenatal testing (maternal serum marker screening, NIPT, chorionic villus sampling, or amniocentesis)
Able to read and write in Japanese
Able to provide informed consent via smartphone or computer
Able to receive the Decision Aid by mail
1. Multiple pregnancy (twins or higher-order multiples)
2. Unable to receive genetic counseling at a facility certified by the Committee for the Accreditation System for Prenatal Testing
3. Previous experience with any prenatal testing
30
| 1st name | Rie |
| Middle name | |
| Last name | Notomi |
St. Luke's International University Graduate School
Akita University Hospital
Nursing Department
010-8543
44-2 Hasunuma, Hiromen, Akita City, Akita Prefecture
018-834-1111
24dn016@slcn.ac.jp
| 1st name | Rie |
| Middle name | |
| Last name | Notomi |
St. Luke's International University Graduate School , Akita University Hospital
Nursing Department
010-8543
44-2 Hasunuma, Hiromen, Akita City, Akita Prefecture
018-884-6575
24dn016@slcn.ac.jp
Akita University
Japan Society for the Promotion of Science
Japanese Governmental office
Japan
Akita University Hospital
44-2 Hasunuma, Hiromen, Akita City, Akita Prefecture
018-833-1166
soken@hos.akita-u.ac.jp
NO
| 2026 | Year | 04 | Month | 17 | Day |
Unpublished
Preinitiation
| 2026 | Year | 01 | Month | 20 | Day |
| 2026 | Year | 01 | Month | 21 | Day |
| 2026 | Year | 04 | Month | 22 | Day |
| 2026 | Year | 10 | Month | 31 | Day |
| 2026 | Year | 04 | Month | 17 | Day |
| 2026 | Year | 04 | Month | 17 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000068423