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Pregnancy RelatedNCT04856436

Maternal and Neonatal Outcomes Following Exposure to Benzodiazepines During Pregnancy

An observational study of Pregnancy Related and Benzodiazepines Causing Adverse Effects in Therapeutic Use, run by Sungkyunkwan University at 1 site in South Korea.

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

This is a nationwide cohort study to assess maternal and neonatal outcomes following exposure to benzodiazepines during pregnancy. Read more about this study

Who is it for?
Ages 20 to 45 years, women onlyHealthy volunteers can take part
What is being tested?
Benzodiazepine
How many people
3,094,227 participants
Where
1 siteSouth Korea
Study dates
1 Dec 2020to 30 Jul 2021
Phase
Observational

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 20 to 45 years
  • Women only
  • Healthy volunteers accepted
  • Adult

Study population: Pregnant women who gave birth in South Korea between 2011 and 2018

Who may be able to join

  • Pregnancies with live birth, 2011-2018
  • Pregnancies linked to liveborn infants
  • Pregnancies aged 20-45 years at delivery

Who cannot join

  • Pregnancies with a chromosomal abnormality
  • Pregnancies with exposure to known teratogenic drugs (e.g. antineoplastic agent, warfarin, lithium, isotretinoin, misoprostol, thalidomide) during the first trimester
  • Pregnancies with no benzodiazepine prescription during the first trimester, but with at least one benzodiazepine prescription during the 3 months before the pregnancy onset

Trial locations and contacts

1 site in 1 country.

South Korea1 site
  • Sungkyunkwan University

    Suwon, Gyeonggi-do, 16419

Other trials in South Korea

About this study

Official title: Maternal and Neonatal Outcomes Following Benzodiazepine Use During Pregnancy

This is a nationwide cohort study to assess maternal and neonatal outcomes following exposure to benzodiazepines during pregnancy.

Read the detailed description

Benzodiazepines are widely used in pregnant women; however, their safety on congenital malformations in a real-world setting is still uncertain. We aimed to assess the association between benzodiazepine use in early pregnancy and the risk of congenital malformations. We will conduct a retrospective nationwide cohort study using the Health Insurance Review and Assessment (HIRA) database of South Korea, which covers the entire South Korean population.

Being tested
Benzodiazepine
Medical subject headings
Congenital Abnormalities

What participants receive

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

  • BenzodiazepineDrug

    Exposure to benzodiazepine during early pregnancy

Study groups in NCT04856436
Study groupRoleWhat they receive
Pregnant women with exposure to benzodiazepinesWomen who gave birth during 2011-2018, were aged 20-45 years and were filled at least one benzodiazepine prescription during the first trimester (first 90 days of pregnancy).
Receives: Drug: Benzodiazepine
Pregnant women without exposure to benzodiazepinesWomen who gave birth during 2011-2018, were aged 20-45 years and did not fill a benzodiazepine prescription during the 3 months before the pregnancy onset through the end of the first trimester
Receives: Drug: Benzodiazepine

What is being measured

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

  1. Risk of congenital malformations

    Overall congenital malformations and organ-specific congenital malformations in infants, which are confirmed by diagnostic records in the HIRA database. All infants were followed up for at least 1 year.

    Measured: from the birth date until up to 8 years, death, or study end date (Dec 31, 2019)

Timeline

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

  1. First posted23 Apr 2021
  2. Study start1 Dec 2020
  3. Primary completion30 Jun 2021
  4. Study completion30 Jul 2021

Resources

More details

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

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Retrospective
Enrolment
3,094,227 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04856436
Sponsor's protocol ID
SKKU-2021-PREG-BZ
Status last verified
Mar 2022
First submitted
19 Apr 2021
Last updated
7 Mar 2022
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Bellantuono C, Tofani S, Di Sciascio G, Santone G. Benzodiazepine exposure in pregnancy and risk of major malformations: a critical overview. Gen Hosp Psychiatry. 2013 Jan-Feb;35(1):3-8. doi: 10.1016/j.genhosppsych.2012.09.003. Epub 2012 Oct 6.

    PubMed 23044244
  • Grigoriadis S, Graves L, Peer M, Mamisashvili L, Dennis CL, Vigod SN, Steiner M, Brown C, Cheung A, Dawson H, Rector N, Guenette M, Richter M. Benzodiazepine Use During Pregnancy Alone or in Combination With an Antidepressant and Congenital Malformations: Systematic Review and Meta-Analysis. J Clin Psychiatry. 2019 Jul 9;80(4):18r12412. doi: 10.4088/JCP.18r12412.

    PubMed 31294935
  • Bais B, Molenaar NM, Bijma HH, Hoogendijk WJG, Mulder CL, Luik AI, Lambregtse-van den Berg MP, Kamperman AM. Prevalence of benzodiazepines and benzodiazepine-related drugs exposure before, during and after pregnancy: A systematic review and meta-analysis. J Affect Disord. 2020 May 15;269:18-27. doi: 10.1016/j.jad.2020.03.014. Epub 2020 Mar 5.

    PubMed 32217339
  • Iqbal MM, Sobhan T, Ryals T. Effects of commonly used benzodiazepines on the fetus, the neonate, and the nursing infant. Psychiatr Serv. 2002 Jan;53(1):39-49. doi: 10.1176/appi.ps.53.1.39.

    PubMed 11773648
  • Shyken JM, Babbar S, Babbar S, Forinash A. Benzodiazepines in Pregnancy. Clin Obstet Gynecol. 2019 Mar;62(1):156-167. doi: 10.1097/GRF.0000000000000417.

    PubMed 30628916
  • Noh Y, Lee H, Choi A, Kwon JS, Choe SA, Chae J, Kim DS, Shin JY. First-trimester exposure to benzodiazepines and risk of congenital malformations in offspring: A population-based cohort study in South Korea. PLoS Med. 2022 Mar 2;19(3):e1003945. doi: 10.1371/journal.pmed.1003945. eCollection 2022 Mar.

    PubMed 35235572

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