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Beachwood, Ohio 44122


Purpose:

The goal of the investigators study is to evaluate the effectiveness of paracervical injection of vasopressin at the time of abdominal myomectomy to decrease blood loss. The investigators will continue to use intramyometrial vasopressin as this has previously been shown to be effective. The study will not exceed the safely documented dose of vasopressin.


Study summary:

After the initial physician consultation and investigations have been completed, the treatment options will be reviewed with the patient. If the patient chooses to proceed with an abdominal myomectomy, then she will be offered participation in the study. If she chooses to participate, the patient will undergo routine pre-operative assessments including either transvaginal ultrasound or pelvic MRI. The pre-operative hemoglobin level will be measured within at least 2 weeks of the operative procedure. Randomization to either the vasopressin group or the placebo group will be carried out in the operating room by assigning each recruited patient a consecutively numbered, sealed opaque envelope, which will contain the designated treatment as determined by a computer-generated series of random numbers. The randomization will be performed by an independent member of the division that is not involved in the study. At the time of induction of anesthesia, a sealed envelope will be opened by the research fellow. At the time of induction of anesthesia, the sealed envelope will be opened to reveal the randomization to only the research fellow. The attending physician will remain blinded. The research fellow will prepare either the placebo solution or the vasopressin and will be responsible for performing the paracervical injection. The attending physician will be responsible for recording the surgeon rate of bleeding, the total ebl, and the total operating time. In the both groups, one vial (20 units) of vasopressin will be diluted to 40mL with normal saline solution. Not more than 16mL (8units) of vasopressin will be used. This dose was chosen as there is no standard vasopressin dose routinely used. The dose is well below the maximum amount of vasopressin used, and at a level that few complications have been seen in the past. Given it is standard practice for all patients to receive intramyometrial vasopressin injections, both groups will have the medication ordered and prepared. In the patients randomized to paracervical vasopressin, 8mL (4mL per side of the cervix) will be injected using a 22F spinal needle. An additional 8mL (4 units) will be injected in intramyometrial as this is standard of care in our practice. In the patients randomized to no paracervical vasopressin, 16mL (8 units) will then be used to inject vasopressin intramyometrial prior to the myomectomy. This will help determine if the routine of delivery of vasopressin will aid in decreased blood loss. The operative case will otherwise proceed in the standard fashion. The total ebl, total operative time, and myomectomy operative time will all be recorded. The myomectomy operative time will be recorded from the time of the first incision on the uterus, to complete closure of any uterine defects.


Criteria:

Inclusion Criteria: - Age 18-60 years old - All women who are candidates for abdominal myomectomy and are willing to accept randomization Exclusion Criteria: - Patients unable to consent for the study - Suspected malignancy - History of adverse reaction or allergy to vasopressin - Active cardiovascular or pulmonary disease that would indicate a contraindication to use of vasopressin


NCT ID:

NCT02377492


Primary Contact:

Gretchen Collins, MD
Phone: 216-285-5028


Backup Contact:

N/A


Location Contact:

Beachwood, Ohio 44122
United States



There is no listed contact information for this specific location.

Site Status: N/A


Data Source: ClinicalTrials.gov

Date Processed: November 18, 2019

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