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Comparison of effective doses of ropivacaine required for labor analgesia initiation with dural puncture epidural versus standard epidural techniques: a prospective, double-blind, sequential allocation study

Comparison of effective doses of ropivacaine required for labor analgesia initiation with dural puncture epidural versus standard epidural techniques: a prospective, double-blind, sequential allocation study

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500113306
Enrollment
Unknown
Registered
2025-11-27
Start date
2025-12-01
Completion date
Unknown
Last updated
2025-12-01

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

Conditions

Labor pain

Interventions

the standard epidural technique group:epidural
the dural puncture epidural (DPE) technique group:dural puncture epidural

Sponsors

Women and Children’s Hospital of Ningbo University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1.American Society of Anesthesiologists (ASA) physical status II or III; 2.maternal age 20–40 years; 3.gestational age 37–42 weeks’; 4.cervical dilation 2–5 cm; 5.Numeric Rating Scale (NRS) pain score >=5;

Exclusion criteria

Exclusion criteria: 1.contraindications to neuraxial analgesia; 2.obstetric pathology; 3.severe medical comorbidities; 4.administration of opioids or sedatives within 4 hours prior to requesting labor analgesia; 5.allergy to investigation drugs; 6.inability to comprehend and respond with an NRS pain score;

Design outcomes

Primary

MeasureTime frame
effective analgesia;

Secondary

MeasureTime frame
Motor block;Other adverse reactions;Patient satisfaction;pain score;Obstetric and neonatal related outcomes;Operative details of epidural analgesia;Sensory block level;ropivacaine consumption per hour;

Countries

China

Contacts

Public ContactShen Yanping

Women and Children’s Hospital of Ningbo University

y218180460@zju.edu.cn+86 572 3915413

Outcome results

None listed

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