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Sponsors and Collaborators: |
Dartmouth-Hitchcock Medical Center Apple Medical Corporation |
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Information provided by: | Dartmouth-Hitchcock Medical Center |
ClinicalTrials.gov Identifier: | NCT00685932 |
The purpose of this study is to investigate whether the use of the Mobius® retractor decreased post-operative pain after cesarean section verses conventional retractor use. Based on clinical experience and a pilot study, we suspect that the retractor will decrease overall pain as well as lateral pain.
Condition | Intervention | Phase |
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Cesarean Section Pregnancy |
Device: Mobius Retractor |
Phase IV |
Study Type: | Interventional |
Study Design: | Treatment, Randomized, Single Blind (Subject), Active Control, Parallel Assignment |
Official Title: | Mobius Pain Study: A Randomized Controlled Trial of Standard Versus Mobius® Retraction at Cesarean Delivery |
Estimated Enrollment: | 125 |
Study Start Date: | July 2008 |
Estimated Study Completion Date: | July 2009 |
Estimated Primary Completion Date: | July 2009 (Final data collection date for primary outcome measure) |
Arms | Assigned Interventions |
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Control: No Intervention
This arm will be randomly assigned to have conventional retractions (ie Rich retractors and similar) used in the usual fashion during the cesarean procedure.
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Mobius: Experimental
This arm will be randomized to have the providers who are performing the cesarean section use the Mobius retractor during the cesarean section procedure after the peritoneal cavity is opened.
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Device: Mobius Retractor
The Mobius retractor is a dual ring elastic self retaining retractor that is inserted into the abdominal cavity after the peritoneal incision has been established. It is then left in place during the hysterotomy incision, delivery of the fetus, hysterotomy repair, inspection and irrigation.
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This is a prospective, randomized, patient blinded trial of standard surgical retraction versus Mobius® retraction at cesarean delivery. Women will be approached by their provider at their 36 week prenatal visit regarding potential study participation. They will be given a letter describing the study.
If a woman is interested, she will be contacted by a study nurse who will obtain informed consent. Ideally, women will be approached prior to the onset of labor or date of scheduled cesarean delivery so as to provide adequate time to review the study and ask questions. Women who undergo antenatal admission will be also approached by their provider regarding possible study participation and given a recruitment letter. If they are interested, then a study nurse will obtain informed consent.
Consenting women will be randomized after the decision to deliver by cesarean section is made. Randomization will be performed in blocks to control for scheduled versus unscheduled cesarean deliveries using a random numbers generator. Assignments will be kept in sequentially number opaque envelopes.
Women will not be informed of their assignment until after discharge from the hospital. Efforts will be made in the operating room to avoid disclosing group assignment and the consent forms will not contain the specific name of the retractor under study. The operative team will be aware of group assignment.
Participants will complete a 7 item pain scale each post-operative day until discharge. This pain scale has been used in a pilot study and found to be accurate. The pain scale is a single page and takes less than 5 minutes to complete.
Charts will be reviewed to obtain clinical information which may have an impact on post-operative pain. This includes information about current and past substance abuse. Because of the increased amounts of post-operative pain experienced by women who use methadone during pregnancy, this group of women will be excluded from the study. To protect the information regarding substance abuse, a certificate of confidentiality has been obtained from the NIH.
Ages Eligible for Study: | 18 Years and older |
Genders Eligible for Study: | Female |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Exclusion Criteria:
Contact: Michele Lauria, MD, MS | 603-653-9302 | michele.lauria@hitchcock.org |
Contact: Abbey J Hardy-Fairbanks, MD | 603-653-9302 | abshf@hitchcock.org |
United States, New Hampshire | |
Dartmouth-Hitchcock Medical Center | Recruiting |
Lebanon, New Hampshire, United States, 03756 | |
Contact: Michele Lauria, MD, MS 603-653-9303 michele.lauria@hitchcock.org | |
Contact: Abbey J Hardy-Fairbanks, MD 603-650-9302 abshf@hitchcock.org | |
Principal Investigator: Abbey J Hardy-Fairbanks, MD | |
Principal Investigator: Michele Lauria, MD, MS |
Principal Investigator: | Michele Lauria, MD, MS | Dartmouth-Hitchcock Medical Center |
Responsible Party: | Dartmout-Hitchcock Medical Center ( Michele Lauria, MD, MS ) |
Study ID Numbers: | 21107 |
Study First Received: | May 26, 2008 |
Last Updated: | December 17, 2008 |
ClinicalTrials.gov Identifier: | NCT00685932 History of Changes |
Health Authority: | United States: Institutional Review Board |
Cesarean section Postpartum pain Post-cesarean pain Surgical retractor Elastic retractor |
Pain |