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A study protocol for the cardiac effects of a single dose of either oxytocin 2.5 IU or carbetocin 100 µg after caesarean delivery: a prospective randomized controlled multi-centre trial in Norway [version 1; peer review: 2 approved]

F1000 research, 2021, Vol.10, p.973 [Peer Reviewed Journal]

Copyright: © 2021 Bekkenes M et al. ;Copyright: © 2022 Bekkenes M et al. ;Copyright: © 2021 Bekkenes M et al. This work is published under https://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;info:eu-repo/semantics/openAccess ;ISSN: 2046-1402 ;EISSN: 2046-1402 ;DOI: 10.12688/f1000research.73112.1 ;PMID: 34745566

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Title:
A study protocol for the cardiac effects of a single dose of either oxytocin 2.5 IU or carbetocin 100 µg after caesarean delivery: a prospective randomized controlled multi-centre trial in Norway [version 1; peer review: 2 approved]
Author: Bekkenes, Maria ; Jørgensen, Marte Morin ; Flem Jacobsen, Anne ; Wang Fagerland, Morten ; Rakstad-Larsen, Helene ; Solberg, Ole Geir ; Aaberge, Lars ; Klingenberg, Olav ; Steinsvik, Trude ; Rosseland, Leiv Arne
Subjects: anaesthesia ; Blood pressure ; caesarean delivery ; Calcium-binding protein ; carbetocin ; Cardiotoxicity ; Cardiovascular diseases ; Cesarean section ; Cesarean Section - adverse effects ; Clinical medicine ; Cooperation ; Diabetes mellitus ; Drug dosages ; eng ; Ethics ; Female ; Heart rate ; Hemorrhage ; Hospitals ; Humans ; Infant, Newborn ; Informed consent ; Intravenous administration ; Ischemia ; Multicenter Studies as Topic ; Obstetrics ; Oxytocics - adverse effects ; Oxytocin ; Oxytocin - adverse effects ; Oxytocin - analogs & derivatives ; Pain ; Patient safety ; Pilot Projects ; Placenta ; Plasma ; Postpartum Hemorrhage - drug therapy ; Postpartum Hemorrhage - etiology ; Postpartum Hemorrhage - prevention & control ; Pregnancy ; Premature birth ; Premature Birth - drug therapy ; Premature Birth - etiology ; Prospective Studies ; Randomized Controlled Trials as Topic ; Troponin ; Troponin I ; uterine atony ; Uterus ; Vital signs ; Womens health
Is Part Of: F1000 research, 2021, Vol.10, p.973
Description: Background: Both oxytocin and carbetocin are used to prevent uterine atony and post-partum haemorrhage after caesarean delivery in many countries, including Norway. Oxytocin causes dose-dependent ST-depression, troponin release, prolongation of QT-time and arrythmia, but little is known about myocardial effects of carbetocin. We have previously demonstrated comparable vasodilatory effects of oxytocin and carbetocin and are now undertaking a Phase 4 trial to investigate whether carbetocin causes similar changes to myocardial markers compared with oxytocin. Methods: Our randomized controlled trial will be conducted at three obstetrics units at Oslo University Hospital and Akershus University Hospital, Norway. Planned enrolment will be of 240 healthy, singleton pregnant women aged 18 to 50 years undergoing planned caesarean delivery. Based on pilot study data, each participant will receive a one-minute intravenous injection of either oxytocin 2.5 IU or carbetocin 100 µg during caesarean delivery. The prespecified primary outcome is the change from baseline in high-sensitive troponin I plasma concentrations at 6-10 hours after study drug administration. Secondary outcomes include uterine tone grade at 2.5 and five minutes after study drug administration, adverse events for up to 48 hours after study drug administration, estimated blood loss within eight hours of delivery, need for rescue treatment and direct/indirect costs. Enrolment and primary analysis are expected to be completed by the end of 2021. Discussion: Women undergoing caesarean delivery should be assessed for cardiovascular risk particularly as women with an obstetric history of pregnancy induced hypertension, gestational diabetes mellitus, preterm birth, placental abruption, and stillbirth are at increased risk of future cardiovascular disease. Any additional ischaemic myocardial risk from uterotonic agents will need to be balanced with the benefit of reducing the risk of postpartum haemorrhage. Any potential cardiotoxicity difference between oxytocin and carbetocin will help inform treatment decisions for pregnant women. Registration: Clinicaltrials.gov NCT03899961 (02/04/2019).
Publisher: England: Faculty of 1000 Ltd
Language: English;Norwegian
Identifier: ISSN: 2046-1402
EISSN: 2046-1402
DOI: 10.12688/f1000research.73112.1
PMID: 34745566
Source: DOAJ Directory of Open Access Journals
GFMER Free Medical Journals
MEDLINE
NORA Norwegian Open Research Archives
PubMed Central
ProQuest Central

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A study protocol for the cardiac effects of a single dose of either oxytocin 2.5 IU or carbetocin 100 µg after caesarean delivery: a prospective randomized controlled multi-centre trial in Norway [version 1; peer review: 2 approved]

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