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

1 de fevereiro de 2014 atualizado por: 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.

Visão geral do estudo

Tipo de estudo

Intervencional

Inscrição (Real)

500

Estágio

  • Fase 4

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Locais de estudo

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

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

18 anos a 45 anos (Adulto)

Aceita Voluntários Saudáveis

Não

Gêneros Elegíveis para o Estudo

Fêmea

Descrição

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

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Cuidados de suporte
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Quadruplicar

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Experimental: Sole local anesthetic
Epidural analgesia will be given with sole local anesthetic (0.125% ropivacaine) intermittently
0.125% ropivacaine 10-15 ml every 1h during labor delivery
Outros nomes:
  • Naropin
  • Ropivacaína
Comparador Ativo: Opioid plus local anesthetic
Epidural analgesia will be given with opioid (sufentanil) combined with local anesthetic (0.125% ropivacaine) intermittently
Sufentanil combined with 0.125% ropivacaine, 10-15 ml every 1h during labor delivery
Outros nomes:
  • Naropin

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Pain scorings
Prazo: 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

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Pruritus
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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

Outras medidas de resultado

Medida de resultado
Descrição da medida
Prazo
Time to latent phase
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: 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
Prazo: At the time of the fetus was delivery
At the time of the fetus was delivery

Colaboradores e Investigadores

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Publicações e links úteis

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Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo

1 de setembro de 2013

Conclusão Primária (Real)

1 de fevereiro de 2014

Conclusão do estudo (Real)

1 de fevereiro de 2014

Datas de inscrição no estudo

Enviado pela primeira vez

11 de janeiro de 2014

Enviado pela primeira vez que atendeu aos critérios de CQ

13 de janeiro de 2014

Primeira postagem (Estimativa)

14 de janeiro de 2014

Atualizações de registro de estudo

Última Atualização Postada (Estimativa)

4 de fevereiro de 2014

Última atualização enviada que atendeu aos critérios de controle de qualidade

1 de fevereiro de 2014

Última verificação

1 de fevereiro de 2014

Mais Informações

Termos relacionados a este estudo

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