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A Comparison of Prophylactic Phenylephrine between 100, 150 and 200 mcg Intravenous Slow Injection on Vasopressor Consumption, Hypotension and Bradycardia after Spinal Anesthesia in Obese Parturients during Cesarean Section : A Randomized, Single-Blind Study

A Comparison of Prophylactic Phenylephrine between 100, 150 and 200 mcg Intravenous Slow Injection on Vasopressor Consumption, Hypotension and Bradycardia after Spinal Anesthesia in Obese Parturients during Cesarean Section : A Randomized, Single-Blind Study

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20221024005
Enrollment
300
Registered
2022-10-24
Start date
2022-12-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Obese pregnant prophylactic, phenylephrine, hypotension, obese, cesarean section

Interventions

Phenylephrine 100 mcg iv in 30 seconds,Phenylephrine 150 mcg iv in 45 seconds,Phenylephrine 200 mcg iv in 45 seconds
Experimental Drug,Experimental Drug,Experimental Drug
P100,P150,P200

Sponsors

None listed

Eligibility

Sex/Gender
Female
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: 1. ASA physical status II or III 2. age more than or equal 18 years old 3. singleton

Exclusion criteria

Exclusion criteria: 1. cerebrovascular disease 2. complicated pregnancy (eg. placenta previa, abruptio placantae) 3. major fetal anomalies 4. history of monoamine oxidase inhibitor (MAOI) use 5. other drugs administration before baby delivery

Design outcomes

Primary

MeasureTime frame
vasopressor comsumption before baby delivery case record form—

Secondary

MeasureTime frame
Hypotension before baby delivery case record form—

Countries

Thailand

Contacts

Public ContactRatikorn Anusorntanawat

Chaophrayayommarat hospital

netanesth@hotmail.com0819424915

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026