Study on the best compatibility concentration of sufentanil in labor analgesia: a randomized controlled trial.

The optimal sufentanil concentration with ropivacaine in epidural analgesia of second labor stage

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000033360

Enrollment

Unknown

Registered

2020-05-29

Start date

2020-07-01

Completion date

Unknown

Last updated

2020-06-01

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

Conditions

The management of labor pain

Interventions

1:Concentration of sufentanil 0

2:Concentration of sufentanil 0.1ug/ml

3:Concentration of sufentanil 0.2ug/ml

4:Concentraion of sufenanil 0.3ug/ml

5:Concentration of sufentanil 0.4 ug/ml

6:Concentration of sufentanil 0.5ug/ml

Eligibility

Sex/Gender

Female

Age

22 Years to 35 Years

Inclusion criteria

Inclusion criteria: 1. Pregnant women aged 22-35 years; 2. Pregnant women with ASA 1-2, single term (37-42 weeks of gestation); 3. Pregnant women with head position; 4. The primipara who require epidural labor analgesia and complete opening of uterine orifice.

Exclusion criteria

Exclusion criteria: 1. Contraindications of intraspinal anesthesia; 2. Subjects allergic to ropivacaine and sufentanil; 3. The object of placental abruption or placenta previa.

Design outcomes

Primary

Measure	Time frame
VAS scores;length of second stage;degree of satisfactory;Apgar scores;blood gas analysis;NBNA scores;breastfeeding assessment;	—

Countries

China

Contacts

Public ContactTao Xu

International Peace Maternal and Child Health Care Institute affiliated to Shanghai Jiaotong University School of Medicine

towerxutao@163.com+86 18918098660

Outcome results

None listed

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