clinic study of patient controlled epidural labor analgesia based on butorphanol

Effect of epidural intermittent pulse injection of butorphanol and fentanyl mixed with ropivacaine on painless delivery

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200056607

Enrollment

Unknown

Registered

2022-02-09

Start date

2022-03-01

Completion date

Unknown

Last updated

2024-10-28

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

Conditions

Painless delivery

Interventions

butorphanol group:Butorphanol combined with 0.08% ropivacaine hydrochloride

Fentanyl group:Fentanyl combined with 0.08% ropivacaine hydrochloride

Eligibility

Sex/Gender

Female

Age

18 Years to 45 Years

Inclusion criteria

Inclusion criteria: Maternal voluntary; According to the evaluation of obstetricians, vaginal delivery or vaginal trial delivery can be carried out.

Exclusion criteria

Exclusion criteria: 1.Those who refuse to sign informed consent due to maternal disagreement. 2. There are contraindications of intraspinal block, such as abnormal coagulation function, infection or injury at the puncture site, low blood volume or hypotension, increased intracranial pressure, spinal disease or serious spinal deformity, nervous system disease or neuropathy, etc.. 3. People who are allergic to local anesthetics and opioids. 4. Maternal failure to cooperate with puncture.

Design outcomes

Primary

Measure	Time frame
Duration of fetal delivery;Adverse reaction;	—

Secondary

Measure	Time frame
Pain score;Lower limb muscle strength score;Satisfaction;	—

Countries

china

Contacts

Public ContactZhipeng Xu

The Affiliated Hospital of Medical School of Ningbo University

xuzhipeng20@163.com+86 15210319808

Outcome results

None listed

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