NCT03650985

Brief Summary

Fetal medicine in China is still a new, young discipline, and the development is very rapid. After nearly 10 years of development, the clinical diagnosis and treatment guidelines of some complicated twin diseases has been established , but they are still needed to be improved. Through this study, the investigators expect to achieve better prediction indicators and early intrauterine precise diagnosis of complicated twin diseases. Also, better procedures of implementing effective intrauterine intervention and assessing the safety and effectiveness of intrauterine intervention are anticipated to be established.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
100

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Aug 2018

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

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

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

August 27, 2018

Completed
2 days until next milestone

First Posted

Study publicly available on registry

August 29, 2018

Completed
2 days until next milestone

Study Start

First participant enrolled

August 31, 2018

Completed
1.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2020

Completed
2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2022

Completed
Last Updated

September 5, 2018

Status Verified

September 1, 2018

Enrollment Period

1.9 years

First QC Date

August 27, 2018

Last Update Submit

September 2, 2018

Conditions

Outcome Measures

Primary Outcomes (3)

  • Gene expression of fetuses

    DNA methylation, histone acetylation etc. assessed by analyses of fetal blood and amniotic fluid.

    At 20 week of gestational age

  • Change of volume of amniotic fluid in Milliliter

    Measured by doctors of sonography

    At every two week from the sixteenth week of gestational age to delivery of babies

  • Change of umbilical artery blood flow

    Measured by doctors of sonography

    At every two week from the sixteenth week of gestational age to delivery of babies

Secondary Outcomes (1)

  • Neurodevelopment at early childhood

    At age of 1 year old

Study Arms (1)

TOCTD

EXPERIMENTAL

Pregnancy women with complicated twin diseases, who are able to withstand risks of intrauterine treatments and informed consent, will be involved. Fetoscope technique will be administered in suitable patients.

Procedure: Fetoscope technique

Interventions

Intrauterine intervention with fetoscope technique will be applied to treat complex twin diseases with intention to improve the prognosis of patients.

TOCTD

Eligibility Criteria

Age18 Years - 50 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Pregnancy women with complicated twin diseases who are able to withstand intrauterine treatment and consent informed.

You may not qualify if:

  • Pregnancy women who refuse intrauterine treatment.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Shengjing Hospital

Shenyang, Liaoning, China

RECRUITING

MeSH Terms

Conditions

Diseases in Twins

Condition Hierarchy (Ancestors)

Disease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Caixia Liu

    Shengjing Hospital

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Model Details: Pregnancy women with complicated twin diseases, who are able to withstand risks of intrauterine treatments and informed consent.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Director of the second obstetrical department

Study Record Dates

First Submitted

August 27, 2018

First Posted

August 29, 2018

Study Start

August 31, 2018

Primary Completion

August 1, 2020

Study Completion

August 1, 2022

Last Updated

September 5, 2018

Record last verified: 2018-09

Data Sharing

IPD Sharing
Will not share

Locations