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The EC50 of spinal ropivacaine in primipara and multipara labour analgesia: A Comparative Study

The EC50 of spinal ropivacaine in primipara and multipara labour analgesia: A Comparative Study

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400087716
Enrollment
Unknown
Registered
2024-08-02
Start date
2024-08-15
Completion date
Unknown
Last updated
2024-08-05

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

Conditions

Labour pains, post-natal depression

Interventions

Primiparous group (P group):Ropivacaine concentration
Multiparous group (M group):Ropivacaine concentration

Sponsors

Fujian Maternal and Child Health Hospital, Fujian Medical University Affiliated Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: primiparous or multiparous women with healthy singleton pregnancies at term (=37 weeks gestation), American Society of Anesthesiologists (ASA) physical status I-II, The onset of spontaneous labor with cervical dilation =1 cm, and painful contractions requiring labor analgesia

Exclusion criteria

Exclusion criteria: refusal to participate in the study, coagulation disorders, puncture site infection, intracranial hypertension, unstable fetal heart rate, sepsis, chronic hypertension, cord prolapse, twin pregnancies, pre-eclampsia, lower body sensory or motor disorders, congenital malformations of the fetus.

Design outcomes

Primary

MeasureTime frame
Numeric Rating Scale (NRS);

Countries

China

Contacts

Public ContactYan Zhirong

Fujian Maternal and Child Health Hospital, Fujian Medical University Affiliated Hospital

dr_zr.yan@hotmail.com+86 139 5031 9086

Outcome results

None listed

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