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AzTrials

Placenta DiseasesNCT05245279

Placental Perfusion in the Entire Placenta and With Sonobiopsy by Ultrasound

A study testing 3 dimensional ultrasound investigation and 2 dimensional ultrasound investigation in people with Placenta Diseases, run by Szeged University at 1 site in Hungary.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

In this study is tested the validity of placental vascular indices obtained from placenta ultrasonographic sphere biopsy and entire placenta investigation. Read more about this study

Who is it for?
Ages 18 to 45 years, women only
Conditions the study is for
Placenta Diseases
What is being tested?
3 dimensional ultrasound investigation and 2 dimensional ultrasound investigation
Could I receive a placebo?
No, everyone receives an active treatment
How many people
150 participants
Where
1 siteHungary
Study dates
1 Jan 2018to 1 Jan 2021
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 45 years
  • Women only
  • No healthy volunteers
  • Adult

Who may be able to join

  • single pregnancy
  • healthy pregnant women
  • no anatomical alteration of fetus
  • no genetical abnormality of fetus

Who cannot join

  • multiple pregnancy,
  • abnormal (> 3mm) nuchal translucency from 11+0 to 13+6 weeks of gestation,
  • the fetal or neonatal structural or chromosomal anomaly,
  • inadequate localization of the placenta (placenta praevia),
  • self-reported drugs, alcohol, caffeine or nicotine abuse,
  • exposed to circulatory medication (oxerutins, calcium dobesilate)
  • or not signing the consent form.
  • If the mother suffer from er systemic disease (e.g. diabetes, autoimmune disease, vasculitis, haemophilia, thrombophilia, HIV infection, etc)

Trial locations and contacts

1 site in 1 country.

Hungary1 site
  • Universitiy of Szeged

    Szeged, 6720

Other trials in Hungary

About this study

Official title: Correlation Between the Placental Perfusion Measured in the Entire Placenta and With Sonobiopsy

In this study is tested the validity of placental vascular indices obtained from placenta ultrasonographic sphere biopsy and entire placenta investigation.

Read the detailed description

Although, to this date, there have been a number of human placental studies that concerned the evaluation of placental 3 dimensional power Doppler vascularization with the use of VOCAL technique, but there was no one in which placental vasculature has been compared between the sonobiopsy and whole placental volume.

Being tested
3 dimensional ultrasound investigation, 2 dimensional ultrasound investigation
Keywords
3-dimensional ultrasound, ultrasound, placenta, Investigation of placenta in-vivo
Medical subject headings
Placenta Diseases

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • 3 dimensional ultrasound investigationDiagnostic test

    Images that contributed to the determination of placental volume and 3-DPD indices were obtained at the time of visit. All 3-D scans ultrasound measurements were performed by a Voluson 730 Expert ultrasound machine equipped with a multifrequency probe (2-5 MHz) to acquire images. Each sample was examined using 3-D rendering mode, in which the colour and gray value information was processed and combined to supply 3-D image. For laterally located placentas, the investigator positioned the transducer on a slight lateral inclination to obtain proper images. Power Doppler window was placed over the placenta to map the vascular tree from basal to chorionic plates. The 3-D static volume box was placed over the entire placenta volume. The sweep angle was set at maximum 70°. Each image was recovered from the disk in succession for processing. During gestation, the investigator recorded one sample from each patient.

  • 2 dimensional ultrasound investigationDiagnostic test

    The two-dimensional (2-D) transabdominal conventional study provided data about fetal position, biometry, body movements and fetal heart rate as well as placental localization. The factorial default setting 'Obstetrics' was applied in 2-D mode.

Study groups in NCT05245279
Study groupRoleWhat they receive
Normal placenta-entitleExperimentalThe 3-DPD indices was measured in the entire placenta volume.
Receives: Diagnostic Test: 3 dimensional ultrasound investigation; Diagnostic Test: 2 dimensional ultrasound investigation
Normal placenta-sonobyopsyExperimentalThe 3-DPD indices was measured at cord insertion in placenta by sonobiopsy
Receives: Diagnostic Test: 3 dimensional ultrasound investigation; Diagnostic Test: 2 dimensional ultrasound investigation

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Maternal characteristics (BMI)

    The pre-pregnancy body mass index (BMI) registered at the initial visit during prenatal care was calculated as the body weight (kg) per height (m2).

    Measured: through study completion, 2 years

  2. Neonatal outcome 1; based on gestational age

    The participants were recorded by gestational age et birth

    Measured: during first day of life

  3. Neonatal outcome 2, based on maturation of neonates

    Neonates were investigatied by maturation ( gestational age before 36+6 week) (prematurity

    Measured: during first day of life

  4. Neonatal outcome 3, (birth weight of newborns)

    Neonates birth weight calculation (gram)

    Measured: during first day of life

  5. Neonatal outcome 4; Apgar score

    Neonates poor adaptation status (Apgar score (<7) at 5 minutes)

    Measured: during first day of life

  6. Neonatal outcome 5, (umbilical cord pH)

    Neonates poor adaptation status (umbilical cord pH <7.2)

    Measured: during first day of life

  7. Neonatal outcome 6; delivery complication

    Delivery complication ( cesarean section due to fetal distress)

    Measured: during first day of life

  8. Neonatal outcome 7, necessary of intensive care unit

    Neonates transfer to neonatal intensive care unit (NICU)

    Measured: during first week of life

Secondary outcomes (1)
  1. 2D ultrasound investigaiotn of gestation (fetal biometry, placentation)

    Routine ultrasound examination, based on Guideline of Hungarian Obstetrics and gynecologists (fetal biometry: biparietal diameter, head circumference, abdominal circumference, femur length; investigation of the placenta, place of placentation, Grannum staging)

    Measured: during prenatal care till the labour

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted17 Feb 2022
  2. Study start1 Jan 2018
  3. Primary completion1 Jan 2020
  4. Study completion1 Jan 2021

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Diagnosis
Allocation
Non-randomised
Intervention model
Parallel groups
Model description
A prospective cohort study was conducted among normal pregnant women recruited at 11 to 40 gestational weeks. Placental vascularization was evaluated using the 3-DPD-indices (vascularization-index (VI); flow-index (FI); vascularization-flow-index (VFI)) with the application of the sphere-technique or scanned from the entire placenta
Masking
None (open label)
Enrolment
150 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05245279
Sponsor's protocol ID
120/2015
Status last verified
Feb 2022
First submitted
1 Dec 2021
Last updated
17 Feb 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Odibo AO, Zhong Y, Longtine M, Tuuli M, Odibo L, Cahill AG, Macones GA, Nelson DM. First-trimester serum analytes, biophysical tests and the association with pathological morphometry in the placenta of pregnancies with preeclampsia and fetal growth restriction. Placenta. 2011 Apr;32(4):333-8. doi: 10.1016/j.placenta.2011.01.016. Epub 2011 Feb 13.

    PubMed 21324404
  • Molnar A, Suranyi A, Jako M, Nyari T, Nemeth G. [Examination of placental three-dimensional power Doppler indices and perinatal outcome in pregnancies complicated by intrauterine growth restriction]. Orv Hetil. 2017 Jul;158(26):1008-1013. doi: 10.1556/650.2017.30784. Hungarian.

    PubMed 28651459
  • Kozinszky Z, Suranyi A, Peics H, Molnar A, Pal A. Placental Volumetry by 2-D Sonography with a New Mathematical Formula: Prospective Study on the Shell of a Spherical Sector Model. Ultrasound Med Biol. 2015 Aug;41(8):2252-8. doi: 10.1016/j.ultrasmedbio.2015.04.005. Epub 2015 May 7.

    PubMed 25959054
  • Collins SL, Stevenson GN, Noble JA, Impey L. Rapid calculation of standardized placental volume at 11 to 13 weeks and the prediction of small for gestational age babies. Ultrasound Med Biol. 2013 Feb;39(2):253-60. doi: 10.1016/j.ultrasmedbio.2012.09.003. Epub 2012 Dec 4.

    PubMed 23219036
  • Moran M, McAuliffe FM. Imaging and assessment of placental function. J Clin Ultrasound. 2011 Sep;39(7):390-8. doi: 10.1002/jcu.20846. Epub 2011 Jun 8.

    PubMed 21656781
  • Plasencia W, Akolekar R, Dagklis T, Veduta A, Nicolaides KH. Placental volume at 11-13 weeks' gestation in the prediction of birth weight percentile. Fetal Diagn Ther. 2011;30(1):23-8. doi: 10.1159/000324318. Epub 2011 Jun 23.

    PubMed 21701132
  • Merce LT, Barco MJ, Bau S. Reproducibility of the study of placental vascularization by three-dimensional power Doppler. J Perinat Med. 2004;32(3):228-33. doi: 10.1515/JPM.2004.043.

    PubMed 15188796

Questions about this trial

What is this clinical trial studying?

A study testing 3 dimensional ultrasound investigation and 2 dimensional ultrasound investigation in people with Placenta Diseases, run by Szeged University at 1 site in Hungary.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 17 Feb 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Hungary. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Maternal characteristics (BMI) (time frame: through study completion, 2 years). The study lists 8 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT05245279, which also lists 7 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Feb 2022.

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