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Comparison of effectiveness of norepinephrine and phenylephrine when given as a single bolus dose for treatment of fall in blood pressure during planned caesarean section under spinal anaesthesia

Comparison of potency of norepinephrine and phenylephrine bolus doses for treatment of post-spinal hypotension during elective caesarean section

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2016/12/007542
Enrollment
40
Registered
2016-12-07
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: null- Spinal Anaesthesia induced Hypotension in Elective caesarean section

Interventions

Intervention1: Group Norepinephrine: On development of hypotension, a predetermined dose of norepinephrine will be administered and response seen. The dose for each patient will be decided according t

Sponsors

University College of Medical Sciences and Guru Teg Bahadur Hospital
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Healthy females with term, uncomplicated, singleton pregnancy undergoing elective caesarean section under spinal anaesthesia

Exclusion criteria

Exclusion criteria: Maternal complications e.g. diabetes, pre-eclampsia, other cardiovascular disease, cerebrovascular disease; multiple gestation; known fetal abnormality; patients with absolute or relative contra-indications for spinal anaesthesia e.g. infection in lumbar area, coagulation abnormalities, autonomic neuropathy, spinal deformities, other neurological diseases; hypovolemia due to any cause; maternal baseline SBP less than 100 mmHg; patients on monoamine oxidase inhibitors or tricyclic antidepressants; presence of mesenteric or peripheral vascular thrombosis

Design outcomes

Secondary

MeasureTime frame
To determine potency ratio of norepinephrine and phenylephrine, administered as bolus for treatment of post-spinal hypotension during elective caesarean section, by calculating the ratio between ED50 of norepinephrine and phenylephrine.Timepoint: One minute after injection of vasopressor drug

Primary

MeasureTime frame
To determine potency ratio of norepinephrine and phenylephrine, administered as bolus for treatment of post-spinal hypotension during elective caesarean section, by calculating the ratio between ED95 of norepinephrine and phenylephrineTimepoint: One minute after injection of vasopressor drug

Countries

India

Contacts

Public ContactDr Medha Mohta

University College of Medical Sciences and Guru Teg Bahadur Hospital

dubeysahil.sd@gmail.com8377990365

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026