A randomized controlled trial for optimum volume of Programmed Intermittent Epidural Bolus for Labor Analgesia During First Stage of Labor

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR1900028196

Enrollment

Unknown

Registered

2019-12-15

Start date

2019-12-16

Completion date

Unknown

Last updated

2019-12-16

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

Conditions

Natural birth

Interventions

group 8:the volume is 8ml

group 9:the volume is 8ml

group 10:the volume is 10ml

group 11:the volume is 11ml

group 12:the volume is 12ml

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: ASA I or II; Full term (>=37 weeks gestation); nulliparous; Singleton pregnancy, vertex presentation Regular painful contractions occurring at least every 5 minutes VAS Pain score at requesting analgesia > 5 (VNPS 0-10); Cervical dilatation 2-5 cm.

Exclusion criteria

Exclusion criteria: Refusal to provide written informed consent; Any contraindication to epidural anesthesia; Accidental dural puncture; Allergy or hypersensitivity to bupivacaine or sufentanyl; Use of opioids or sedatives within the last 4 hours.

Design outcomes

Primary

Measure	Time frame
Pain score;The level of sensory block;Motor block level assessed using Bromage score;	—

Countries

China

Contacts

Public ContactShuangqiong Zhou

Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine

zhousq@51mch.com13916174158

Outcome results

None listed

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