Onset of Labour Epidural Analgesia With Different Concentration Bupivacaine and Different Doses of Sufentanyl

NCT ID: NCT03395600

Last Updated: 2019-06-07

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

56 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-02-10

Study Completion Date

2018-10-31

Brief Summary

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This study aimed to compare the effects of three commonly used combination doses on the onset time and adverse reactions.

Detailed Description

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Epidural block is widely used as an analgesic method during labor. During epidural anaesthesia, lipophilic opioids such as sufentanil, are often combined with local anesthetics to prolong the duration of analgesia and improve the analgesic effect. However, dose combinations of local anesthetics and opioids, especially in the initial loading dose, vary greatly from hospital to hospital and often depend upon the different routines adopted by anesthesiologists. In clinical practice, there are still some controversy about opioid dose selection in terms of analgesic onset time and adverse reactions.

In this study, three combinations of bupivacaine and sufentanil were chosen, commonly used in the clinic, and extended the observation period to 24 hours after delivery. We hypothesized that increasing the concentration of local anesthetic, rather than increasing the dose of sufentanil, would achieve a faster analgesic effect with minimal adverse effects on the mother and fetus. To test our hypothesis, our primary outcome was to compare the times of analgesia onset of the three combinations, and the secondary outcomes were to compare the effects on maternal and infant adverse reactions.

Conditions

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Pregnant Women Who Requested Epidural Analgesia in the Early Stage of Labor

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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0.1%bupivacaine+10µg sufentanyl

Epidural labour analgesia was initiated with 10µg sufentanyl along with 5 ml bupivacaine 0.1% as the test dose. After 3 min, 10 ml of 0.1% bupivacaine epidural was injected

Group Type ACTIVE_COMPARATOR

B1S10

Intervention Type DRUG

Women were then placed supine with left uterine displacement. Epidural labour analgesia was initiated with 10µg sufentanyl along with 5 ml bupivacaine 0.1% as the test dose. After 3 min, 10 ml of 0.1% bupivacaine epidural was injected

0.125%bupivacaine+5µg sufentanyl

Epidural labour analgesia was initiated with 5µg sufentanyl along with 5 ml bupivacaine 0.125% as the test dose. After 3 min, 10 ml of 0.125% bupivacaine epidural was injected

Group Type ACTIVE_COMPARATOR

B125S5

Intervention Type DRUG

Women were then placed supine with left uterine displacement. Epidural labour analgesia was initiated with 5µg sufentanyl along with 5 ml bupivacaine 0.125% as the test dose. After 3 min, 10 ml of 0.125% bupivacaine epidural was injected

0.1%bupivacaine+5µg sufentanyl

Epidural labour analgesia was initiated with 5µg sufentanyl along with 5 ml bupivacaine 0.1% as the test dose. After 3 min, 10 ml of 0.1% bupivacaine epidural was injected

Group Type ACTIVE_COMPARATOR

B1S5

Intervention Type DRUG

Women were then placed supine with left uterine displacement. Epidural labour analgesia was initiated with 5µg sufentanyl along with 5 ml bupivacaine 0.1% as the test dose. After 3 min, 10 ml of 0.1% bupivacaine epidural was injected

Interventions

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B1S5

Women were then placed supine with left uterine displacement. Epidural labour analgesia was initiated with 5µg sufentanyl along with 5 ml bupivacaine 0.1% as the test dose. After 3 min, 10 ml of 0.1% bupivacaine epidural was injected

Intervention Type DRUG

B125S5

Women were then placed supine with left uterine displacement. Epidural labour analgesia was initiated with 5µg sufentanyl along with 5 ml bupivacaine 0.125% as the test dose. After 3 min, 10 ml of 0.125% bupivacaine epidural was injected

Intervention Type DRUG

B1S10

Women were then placed supine with left uterine displacement. Epidural labour analgesia was initiated with 10µg sufentanyl along with 5 ml bupivacaine 0.1% as the test dose. After 3 min, 10 ml of 0.1% bupivacaine epidural was injected

Intervention Type DRUG

Eligibility Criteria

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Exclusion Criteria

\-
Minimum Eligible Age

18 Years

Maximum Eligible Age

50 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes

Sponsors

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Fudan University

OTHER

Sponsor Role lead

Responsible Party

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Tingting Wang

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Shaoqiang Huang, PhD

Role: STUDY_CHAIR

Department of Anaesthesia, Obstetrics & Gynecology Hospital, Fudan University

Locations

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Ethics Committee of The Obstetrics and Gynecology Hospital, Fudan University,

Shanghai, , China

Site Status

Countries

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China

Other Identifiers

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TWang20171226

Identifier Type: -

Identifier Source: org_study_id

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