A randomised, controlled trial to determine the median effective concentration of bupivacaine, levobupivacaine and ropivacaine after intrathecal and extradural injection for pain relief in the first stage of labour

HS Tayside0 个研究点目标入组 180 人开始时间: 2007年4月17日最近更新: 2012年3月19日

试验速览

暂无简介。

•The patient is aged > 18 years
•The patient is in early labour = 5cm cervical dilitation
•The patient is ASA Grade I - II
•The patient provides written informed consent to participate in the trial prior to surgery
•Are the trial subjects under 18? no
•Number of subjects for this age range:
•F.1.2 Adults (18-64 years) yes
•F.1.2.1 Number of subjects for this age range
•F.1.3 Elderly (>=65 years) no
•F.1.3.1 Number of subjects for this age range

•The patient has any known chronic medical condition for which regular medication is required
•The patient has received any investigational drug within the 90 days prior
•to the study or is scheduled to receive one during the study period.
•The patient is scheduled for caesarean section
•The patient has received opioids in the last 4 hours
•The patient has evidence of alcohol or drug abuse
•There is evidence of obstetric complications
•The fetus has shown signs of intrauterine growth retardation
•The patient has findings on pre-study evaluations (e.g. laboratory results, medical history, physical examination, ECG) that are clinically significant in the investigator’s opinion such to exclude entry into the study

发起方

HS Tayside