Prevention of Hypotension During Cesarean Section
NOR-PHEN
Comparison of Continuous Infusion of Noradrenaline Versus Phenylephrine During Cesarean Section Under Spinal Anesthesia. A Randomized Controlled Trial
1 other identifier
interventional
82
1 country
2
Brief Summary
The aim of this double-blind randomized study will be to compare a fixed-rate prophylactic noradrenaline infusion to a fixed-rate prophylactic phenylephrine infusion during elective cesarean section under combined spinal-epidural anesthesia
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Feb 2019
Shorter than P25 for not_applicable
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
February 13, 2019
CompletedFirst Posted
Study publicly available on registry
February 15, 2019
CompletedStudy Start
First participant enrolled
February 16, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 31, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
August 31, 2019
CompletedMay 26, 2020
May 1, 2020
7 months
February 13, 2019
May 21, 2020
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
incidence of bradycardia
any incidence of heart rate\<60/min will be recorded
intraoperative
Secondary Outcomes (11)
need for vasoconstrictor
intraoperative
type of vasoconstrictor administered
intraoperative
number of bolus doses of vasoconstrictor administered
intraoperative
total dose of vasoconstrictor administered
intraoperative
incidence of hypotension
intraoperative
- +6 more secondary outcomes
Study Arms (2)
phenylephrine infusion
ACTIVE COMPARATORphenylephrine infusion (30 mL/h corresponding to 50 μg/min)
norepinephrine infusion
ACTIVE COMPARATORnorepinephrine infusion (30 mL/h corresponding to 4 μg/min)
Interventions
In parturients allocated to the phenylephrine group, a phenylephrine infusion will be initiated as soon as spinal anesthesia is established
In parturients allocated to the norepinephrine group group, a phenylephrine infusion will be initiated as soon as spinal anesthesia is established
Eligibility Criteria
You may qualify if:
- adult parturients, American Society of Anesthesiologists (ASA) I-II, singleton gestation\>37 weeks
- elective cesarean section
You may not qualify if:
- Body Mass Index (BMI) \>40 kg/m2
- Body weight \<50 kg
- Body weight\>100 kg
- height\<150 cm
- height\>180 cm
- multiple gestation
- fetal abnormality
- fetal distress
- active labor
- cardiac disease
- pregnancy-induced hypertension
- thrombocytopenia
- coagulation abnormalities
- use of antihypertensive medication during pregnancy
- communication or language barriers
- +2 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Aretaieion University Hospitallead
- Alexandra Hospital, Athens, Greececollaborator
Study Sites (2)
Aretaieion University Hospital
Athens, 115 28, Greece
Alexandra General Hospital of Athens
Athens, 11528, Greece
Related Publications (15)
Afolabi BB, Lesi FE. Regional versus general anaesthesia for caesarean section. Cochrane Database Syst Rev. 2012 Oct 17;10(10):CD004350. doi: 10.1002/14651858.CD004350.pub3.
PMID: 23076903BACKGROUNDKlohr S, Roth R, Hofmann T, Rossaint R, Heesen M. Definitions of hypotension after spinal anaesthesia for caesarean section: literature search and application to parturients. Acta Anaesthesiol Scand. 2010 Sep;54(8):909-21. doi: 10.1111/j.1399-6576.2010.02239.x. Epub 2010 Apr 23.
PMID: 20455872BACKGROUNDMaayan-Metzger A, Schushan-Eisen I, Todris L, Etchin A, Kuint J. Maternal hypotension during elective cesarean section and short-term neonatal outcome. Am J Obstet Gynecol. 2010 Jan;202(1):56.e1-5. doi: 10.1016/j.ajog.2009.07.012. Epub 2009 Aug 28.
PMID: 19716536BACKGROUNDNgan Kee WD. Prevention of maternal hypotension after regional anaesthesia for caesarean section. Curr Opin Anaesthesiol. 2010 Jun;23(3):304-9. doi: 10.1097/ACO.0b013e328337ffc6.
PMID: 20173633BACKGROUNDLaudenbach V, Mercier FJ, Roze JC, Larroque B, Ancel PY, Kaminski M, Breart G, Diemunsch P, Subtil D, Lejus C, Fresson J, Arnaud C, Rachet B, Burguet A, Cambonie G; Epipage Study Group. Anaesthesia mode for caesarean section and mortality in very preterm infants: an epidemiologic study in the EPIPAGE cohort. Int J Obstet Anesth. 2009 Apr;18(2):142-9. doi: 10.1016/j.ijoa.2008.11.005. Epub 2009 Feb 4.
PMID: 19195873BACKGROUNDNgan Kee WD, Khaw KS, Ng FF, Lee BB. Prophylactic phenylephrine infusion for preventing hypotension during spinal anesthesia for cesarean delivery. Anesth Analg. 2004 Mar;98(3):815-21, table of contents. doi: 10.1213/01.ane.0000099782.78002.30.
PMID: 14980943BACKGROUNDNgan Kee WD, Khaw KS, Ng FF. Comparison of phenylephrine infusion regimens for maintaining maternal blood pressure during spinal anaesthesia for Caesarean section. Br J Anaesth. 2004 Apr;92(4):469-74. doi: 10.1093/bja/aeh088. Epub 2004 Feb 20.
PMID: 14977792BACKGROUNDSiddik-Sayyid SM, Taha SK, Kanazi GE, Aouad MT. A randomized controlled trial of variable rate phenylephrine infusion with rescue phenylephrine boluses versus rescue boluses alone on physician interventions during spinal anesthesia for elective cesarean delivery. Anesth Analg. 2014 Mar;118(3):611-8. doi: 10.1213/01.ane.0000437731.60260.ce.
PMID: 24299932BACKGROUNDLee A, Ngan Kee WD, Gin T. A quantitative, systematic review of randomized controlled trials of ephedrine versus phenylephrine for the management of hypotension during spinal anesthesia for cesarean delivery. Anesth Analg. 2002 Apr;94(4):920-6, table of contents. doi: 10.1097/00000539-200204000-00028.
PMID: 11916798BACKGROUNDNgan Kee WD, Khaw KS, Lau TK, Ng FF, Chui K, Ng KL. Randomised double-blinded comparison of phenylephrine vs ephedrine for maintaining blood pressure during spinal anaesthesia for non-elective Caesarean section*. Anaesthesia. 2008 Dec;63(12):1319-26. doi: 10.1111/j.1365-2044.2008.05635.x.
PMID: 19032300BACKGROUNDCooper DW, Carpenter M, Mowbray P, Desira WR, Ryall DM, Kokri MS. Fetal and maternal effects of phenylephrine and ephedrine during spinal anesthesia for cesarean delivery. Anesthesiology. 2002 Dec;97(6):1582-90. doi: 10.1097/00000542-200212000-00034.
PMID: 12459688BACKGROUNDStewart A, Fernando R, McDonald S, Hignett R, Jones T, Columb M. The dose-dependent effects of phenylephrine for elective cesarean delivery under spinal anesthesia. Anesth Analg. 2010 Nov;111(5):1230-7. doi: 10.1213/ANE.0b013e3181f2eae1. Epub 2010 Sep 14.
PMID: 20841418BACKGROUNDNgan Kee WD, Lee SW, Ng FF, Tan PE, Khaw KS. Randomized double-blinded comparison of norepinephrine and phenylephrine for maintenance of blood pressure during spinal anesthesia for cesarean delivery. Anesthesiology. 2015 Apr;122(4):736-45. doi: 10.1097/ALN.0000000000000601.
PMID: 25635593BACKGROUNDVallejo MC, Attaallah AF, Elzamzamy OM, Cifarelli DT, Phelps AL, Hobbs GR, Shapiro RE, Ranganathan P. An open-label randomized controlled clinical trial for comparison of continuous phenylephrine versus norepinephrine infusion in prevention of spinal hypotension during cesarean delivery. Int J Obstet Anesth. 2017 Feb;29:18-25. doi: 10.1016/j.ijoa.2016.08.005. Epub 2016 Aug 28.
PMID: 27720613BACKGROUNDCarvalho B, Dyer RA. Norepinephrine for Spinal Hypotension during Cesarean Delivery: Another Paradigm Shift? Anesthesiology. 2015 Apr;122(4):728-30. doi: 10.1097/ALN.0000000000000602. No abstract available.
PMID: 25654435BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Kassiani Theodoraki, PhD
Aretaieion University Hospital
- PRINCIPAL INVESTIGATOR
Emmanouil Stamatakis, PhD
Alexandra General Hospital of Athens
- PRINCIPAL INVESTIGATOR
Dimitrios Valsamidis, PhD
Alexandra General Hospital of Athens
- PRINCIPAL INVESTIGATOR
Sofia Chatzilia, PhD
Alexandra General Hospital of Athens
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Professor of Anesthesiology
Study Record Dates
First Submitted
February 13, 2019
First Posted
February 15, 2019
Study Start
February 16, 2019
Primary Completion
August 31, 2019
Study Completion
August 31, 2019
Last Updated
May 26, 2020
Record last verified: 2020-05