ED50 of intrathecal norpivacaine for cesarean section when prophylactic infusion of phenylephrine

Status

Recruiting

Phases

Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR-RIC-17011650

Enrollment

Unknown

Registered

2017-06-13

Start date

2017-06-01

Completion date

Unknown

Last updated

2017-06-19

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

Conditions

cesarean section

Interventions

experiment group:prophylactic infusion of phenylephrin

Eligibility

Sex/Gender

Female

Age

18 Years to 35 Years

Inclusion criteria

Inclusion criteria: term women

Exclusion criteria

Exclusion criteria: hypertension and serious cardiovascular disease

Design outcomes

Primary

Measure	Time frame
anesthetic effect;	—

Countries

China

Contacts

Public ContactZhang Wangping

Affiliated Women's and children's Hospital of Jiaxing University

zhang650679@163.com+86 13757370679

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 25, 2026