1,200
Participants
Start Date
September 30, 2009
Primary Completion Date
July 31, 2011
Study Completion Date
July 31, 2011
Ropivacaine and sufentanil
Ropivacaine 0.125% plus sufentanil 0.3 microgram
Ropivacaine and sufentanil
Ropivacaine 0.125% plus sufentanil 0.4 microgram
Ropivacaine and sufentanil
Ropivacaine 0.125% plus sufentanil 0.5 microgram
Ropivacaine and sufentanil
Ropivacaine 0.0625% plus sufentanil 0.4 microgram
Ropivacaine and sufentanil
Ropivacaine 0.1875% plus sufentanil 0.4 microgram
Ropivacaine and sufentanil
Ropivacaine 0.25% plus sufentanil 0.4 microgram
The Affiliated Nanjing Maternity and Child Health Care Hospital, Nanjing
Lead Sponsor
Nanjing Medical University
OTHER