NCT06472232

Brief Summary

Women requiring epidural labor analgesia were randomized into two groups, one with the local anesthetic chloroprocaine and the other with ropivacaine. The primary outcome was to observe the analgesic scores of the two groups of drugs as well as adverse reactions.

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
356

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Jun 2024

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 16, 2024

Completed
2 days until next milestone

Study Start

First participant enrolled

June 18, 2024

Completed
7 days until next milestone

First Posted

Study publicly available on registry

June 25, 2024

Completed
12 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 16, 2025

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 30, 2025

Completed
Last Updated

June 25, 2024

Status Verified

June 1, 2024

Enrollment Period

12 months

First QC Date

June 16, 2024

Last Update Submit

June 21, 2024

Conditions

Keywords

labor analgesiaChloroprocaineRopivacaine

Outcome Measures

Primary Outcomes (1)

  • Percentage of effective analgesia

    Percentage of effective analgesia within 30 min after the first epidural addition at the beginning of labor analgesia in both groups

    30 min after the first epidural addition at the beginning of labor analgesia

Study Arms (2)

Chloroprocaine group

EXPERIMENTAL

Selection of local anesthetics for epidural labor analgesia with low concentration of chloroprocaine combined with sufentanil

Drug: Chloroprocaine

Ropivacaine group

PLACEBO COMPARATOR

Selection of local anesthetics for epidural labor analgesia with low concentration of ropivacaine combined with sufentanil

Drug: Chloroprocaine

Interventions

Selection of low concentration of chloroprocaine as local anesthetic for labor analgesia

Also known as: Ropivacaine
Chloroprocaine groupRopivacaine group

Eligibility Criteria

Age20 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Primigravid women with full-term pregnancies scheduled for labor analgesia
  • Determination of labor onset to cervical dilatation ≤ 5cm;
  • Visual analogue scale (VAS) pain score during contractions \>50 mm (0 mm = no pain at all, 100 mm = most intense pain);
  • Age ≥20 years;
  • American Society of Anesthesiologists (ASA) classification II
  • Body mass index (BMI) between 18.5 and 30 kg/m2
  • Height \>155 cm
  • Signed informed consent.

You may not qualify if:

  • Twin or multiple pregnancies
  • Hypertension
  • Severe cardiopulmonary and hepatic or renal disease
  • Severe pregnancy comorbidities such as preeclampsia, eclampsia, HELLP syndrome, placenta praevia, placental abruption, etc.
  • Cephalopelvic disproportion
  • History of allergy to local anesthesia
  • Spinal deformity
  • Contraindications to intrathecal anesthesia
  • Refusal to participate in the stud

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Interventions

chloroprocaineRopivacaine

Intervention Hierarchy (Ancestors)

AnilidesAmidesOrganic ChemicalsAniline CompoundsAmines

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 16, 2024

First Posted

June 25, 2024

Study Start

June 18, 2024

Primary Completion

June 16, 2025

Study Completion

September 30, 2025

Last Updated

June 25, 2024

Record last verified: 2024-06