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Sole Local Anesthetic Versus Opioid Plus Local Anesthesia in Epidural Labor Analgesia (OLAA)

1. februar 2014 oppdatert av: Fu Zhou Wang, Nanjing Medical University

Sole Epidural Local Anesthetic Versus Opioid Plus Local Anesthetic in Epidural Labor Pain Control

It is common for obstetric anesthesia using opioid supplement to local anesthetics for epidural labor pain control. Given the low doses of these epidural drugs, we never doubt the necessity of the supplement of opioid to lacal anesthetics during this process based on the concept that opioid addition can enhance and prolong the analgesic effect of local anesthetics. However, we unavoidably encounter many opioid-associated side effects during the labor delivery. In addition, usage of opioid increase the medical cost for each patient. We herein hypothesized that in the context of obstetric anesthesia, sole local anesthetics can produce as the same analgsic effect as opioid plus local anesthetics given for epidural labor pain control.

Studieoversikt

Status

Fullført

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Faktiske)

500

Fase

  • Fase 4

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

  • Kina
    • Jiangsu
      • Nanjing, Jiangsu, Kina, 210004
        • Nanjing Maternity and Child Health Care Hospital

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år til 45 år (Voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Hunn

Beskrivelse

Inclusion Criteria:

  • Nulliparas
  • Request epidural analgesia
  • Chinese

Exclusion Criteria:

  • Allergic to opioid or local anesthetics
  • Fail to perform epidural puncture and catheterization
  • Organ dysfunction
  • Contraindications for epidural anesthesia

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Støttende omsorg
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Firemannsrom

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Sole local anesthetic
Epidural analgesia will be given with sole local anesthetic (0.125% ropivacaine) intermittently
Legemiddel: Ropivakain
Legemiddel: Sole local anesthetic
0.125% ropivacaine 10-15 ml every 1h during labor delivery
Andre navn:
  • Naropin
  • Ropivakain
Aktiv komparator: Opioid plus local anesthetic
Epidural analgesia will be given with opioid (sufentanil) combined with local anesthetic (0.125% ropivacaine) intermittently
Legemiddel: Ropivakain
Legemiddel: Sufentanil (Opioid plus local anesthetic)
Sufentanil combined with 0.125% ropivacaine, 10-15 ml every 1h during labor delivery
Andre navn:
  • Naropin

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Pain scorings
Tidsramme: up to 3 days
Using visual analog scale (VAS) assess the pain intensity at the following time points: (1) immediate after randomization; (2) prior to epidural analgesia; (3) 0, 5, 10, 30, 60 min after epidural analgesia; (4) every 1 h for VAS pain 60 min later after epidural analgesia; (5) at cervical dilation reach to 4 cm and 10 cm; (6) when pushing starts; (7) after completion of labor; (8) post-delivery days 1, 2 and 3.
up to 3 days

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Pruritus
Tidsramme: From post-randomization to post-delivery day 3
Record incidence of pruritus at the following time points: (1) immediate after randomization; (2) prior to epidural analgesia; (3) 0, 5, 10, 30, 60 min after epidural analgesia; (4) every 1 h 60 min later after epidural analgesia; (5) at cervical dilation reach to 4 cm and 10 cm; (6) when pushing starts; (7) after completion of labor; (8) post-delivery days 1, 2 and 3.
From post-randomization to post-delivery day 3
Dizziness
Tidsramme: From post-randomization to post-delivery day 3
Record incidence of dizziness at the following time points: (1) immediate after randomization; (2) prior to epidural analgesia; (3) 0, 5, 10, 30, 60 min after epidural analgesia; (4) every 1 h 60 min later after epidural analgesia; (5) at cervical dilation reach to 4 cm and 10 cm; (6) when pushing starts; (7) after completion of labor; (8) post-delivery days 1, 2 and 3.
From post-randomization to post-delivery day 3
Nausea
Tidsramme: From post-randomization to post-delivery day 3
Record incidence of nausea at the following time points: (1) immediate after randomization; (2) prior to epidural analgesia; (3) 0, 5, 10, 30, 60 min after epidural analgesia; (4) every 1 h 60 min later after epidural analgesia; (5) at cervical dilation reach to 4 cm and 10 cm; (6) when pushing starts; (7) after completion of labor; (8) post-delivery days 1, 2 and 3.
From post-randomization to post-delivery day 3
Vomiting
Tidsramme: From post-randomization to post-delivery day 3
Record incidence of vomiting at the following time points: (1) immediate after randomization; (2) prior to epidural analgesia; (3) 0, 5, 10, 30, 60 min after epidural analgesia; (4) every 1 h 60 min later after epidural analgesia; (5) at cervical dilation reach to 4 cm and 10 cm; (6) when pushing starts; (7) after completion of labor; (8) post-delivery days 1, 2 and 3.
From post-randomization to post-delivery day 3
Drowsiness
Tidsramme: From post-randomization to post-delivery day 3
Record incidence of drowsiness at the following time points: (1) immediate after randomization; (2) prior to epidural analgesia; (3) 0, 5, 10, 30, 60 min after epidural analgesia; (4) every 1 h 60 min later after epidural analgesia; (5) at cervical dilation reach to 4 cm and 10 cm; (6) when pushing starts; (7) after completion of labor; (8) post-delivery days 1, 2 and 3.
From post-randomization to post-delivery day 3
Sedation
Tidsramme: From post-randomization to post-delivery day 3
Record incidence of sedation at the following time points: (1) immediate after randomization; (2) prior to epidural analgesia; (3) 0, 5, 10, 30, 60 min after epidural analgesia; (4) every 1 h 60 min later after epidural analgesia; (5) at cervical dilation reach to 4 cm and 10 cm; (6) when pushing starts; (7) after completion of labor; (8) post-delivery days 1, 2 and 3.
From post-randomization to post-delivery day 3
Respiratory depression
Tidsramme: From post-randomization to post-delivery day 3
Record incidence of respiratory depression at the following time points: (1) immediate after randomization; (2) prior to epidural analgesia; (3) 0, 5, 10, 30, 60 min after epidural analgesia; (4) every 1 h 60 min later after epidural analgesia; (5) at cervical dilation reach to 4 cm and 10 cm; (6) when pushing starts; (7) after completion of labor; (8) post-delivery days 1, 2 and 3.
From post-randomization to post-delivery day 3
Psychological effects
Tidsramme: From post-randomization to post-delivery day 3
Record incidence of psychological effects [euphoria, hallucinations, delirium and confusion] at the following time points: (1) immediate after randomization; (2) prior to epidural analgesia; (3) 0, 5, 10, 30, 60 min after epidural analgesia; (4) every 1 h 60 min later after epidural analgesia; (5) at cervical dilation reach to 4 cm and 10 cm; (6) when pushing starts; (7) after completion of labor; (8) post-delivery days 1, 2 and 3.
From post-randomization to post-delivery day 3
Myoclonus
Tidsramme: From post-randomization to post-delivery day 3

This describes muscle rigidity and abnormal movement of the limbs and muscles.

Record incidence of myoclonus at the following time points: (1) immediate after randomization; (2) prior to epidural analgesia; (3) 0, 5, 10, 30, 60 min after epidural analgesia; (4) every 1 h 60 min later after epidural analgesia; (5) at cervical dilation reach to 4 cm and 10 cm; (6) when pushing starts; (7) after completion of labor; (8) post-delivery days 1, 2 and 3.
From post-randomization to post-delivery day 3
Maternal heart rate
Tidsramme: From post-randomization to post-delivery day 3
Record incidence of maternal heart rate at the following time points: (1) immediate after randomization; (2) prior to epidural analgesia; (3) 0, 5, 10, 30, 60 min after epidural analgesia; (4) every 1 h 60 min later after epidural analgesia; (5) at cervical dilation reach to 4 cm and 10 cm; (6) when pushing starts; (7) after completion of labor; (8) post-delivery days 1, 2 and 3.
From post-randomization to post-delivery day 3
Miosis
Tidsramme: From post-randomization to post-delivery day 3
Record incidence of miosis at the following time points: (1) immediate after randomization; (2) prior to epidural analgesia; (3) 0, 5, 10, 30, 60 min after epidural analgesia; (4) every 1 h 60 min later after epidural analgesia; (5) at cervical dilation reach to 4 cm and 10 cm; (6) when pushing starts; (7) after completion of labor; (8) post-delivery days 1, 2 and 3.
From post-randomization to post-delivery day 3
Cesarean section
Tidsramme: The time at the end of the labor delivery
Record the incidence of Cesarean section after completion of the labor delivery.
The time at the end of the labor delivery

Andre resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Time to latent phase
Tidsramme: From the beginning of regular contraction of uterus to the dilation of cervical 4cm
Record the time duration
From the beginning of regular contraction of uterus to the dilation of cervical 4cm
Time of active phase
Tidsramme: From the cervix 4cm to the dilation of cervical 10cm
Record the time duration
From the cervix 4cm to the dilation of cervical 10cm
Overall satisfaction of analgesia
Tidsramme: At the time of the end of the labor delivery
Assess the analgesia satisfaction after the completion of the labor delivery
At the time of the end of the labor delivery
Oxytocin usage
Tidsramme: At the time of the end of the labor
Record the total usage of oxytocin after completion of the labor delivery
At the time of the end of the labor
Neonatal Apgar score
Tidsramme: At the time of the baby was born, 1min, 5min, 10min and 20min
At the time of the baby was born, 1min, 5min, 10min and 20min
Instrumental delivery
Tidsramme: At the time of the end of the labor
Record the incidence of instrumental delivery after completion of the labor delivery.
At the time of the end of the labor
Umbilical gas analysis
Tidsramme: At the time of the fetus was delivery
At the time of the fetus was delivery

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Nanjing Medical University

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Generelle publikasjoner

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart

1. september 2013

Primær fullføring (Faktiske)

1. februar 2014

Studiet fullført (Faktiske)

1. februar 2014

Datoer for studieregistrering

Først innsendt

11. januar 2014

Først innsendt som oppfylte QC-kriteriene

13. januar 2014

Først lagt ut (Anslag)

14. januar 2014

Oppdateringer av studieposter

Sist oppdatering lagt ut (Anslag)

4. februar 2014

Siste oppdatering sendt inn som oppfylte QC-kriteriene

1. februar 2014

Sist bekreftet

1. februar 2014

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • NJFY13007
  • JQX12009 (Annet stipend/finansieringsnummer: Nanjing Municipal Bureau of Health)

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