Temporary Clipping of the Uterine Arteries During Laparoscopic Myomectomy

February 9, 2012 updated by: Charite University, Berlin, Germany

Reduction of Intraoperative Blood Loss During Laparoscopic Myomectomy by Temporary Clipping of the Uterine Arteries

The aim is to verify, whether intraoperative temporary clipping of the uterine vessels with vascular clips can reduce blood loss significantly.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
166

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Germany
      • Berlin, Germany, 12200
        • Charite University Hospital
      • Damme, Germany
        • Bernd Holthaus

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 50 years (ADULT)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  • Patients are eligible for the study when between 18 and 50 years of age,
  • diagnosed with either symptomatic or asymptomatic leiomyomata, and with desire to keep the uterus, and whose leiomyomata had a minimal combined diameter of ≥ 4 cm.

Exclusion Criteria:

  • patients with severe accompanying medical problems, or
  • with psychiatric illnesses, which jeopardize the participation, or
  • undergoing treatment affecting coagulation and/or hematopoiesis, and
  • patients with suspected malignancy.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Allocation: RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: SINGLE

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
EXPERIMENTAL: Uterine artery clipped
Both uterine arteries are temporarily clipped by Yasargil clips during laparoscopic myomectomy.
Procedure: clipping of uterine arteries during laparoscopic myomectomy
For laparoscopy standard instruments were used.For vascular clamping we used titan made YASARGIL vessel clips. The patient is put in a 20° Trendelenburg. The surgeon coagulates a 3-4 cm long segment of peritoneum over the ileopsoas muscle. Along the coagulated segment the peritoneum is opened. The surgeon identifies the ureter at its crossing over the common iliac vessels. After medializing the ureter, the pararectal space is opened and the internal iliac artery is identified and dissected till the origin of the uterine artery. The uterine artery is isolated over a distance of about 2 cm. The vascular clip is placed over the uterine artery. Yasargil Clips are applied exclusively in patients of intervention group. Myomectomy is performed in identical fashion in both groups. At the end of myomectomy the vessel clips are removed. The metroplasty is controlled for hemostasis after reopening of the uterine vessels.
NO_INTERVENTION: Control group
Conventional laparoscopic myomectomy is performed. (No intervention to temporarily occlude uterine arteries is made)
Procedure: clipping of uterine arteries during laparoscopic myomectomy
For laparoscopy standard instruments were used.For vascular clamping we used titan made YASARGIL vessel clips. The patient is put in a 20° Trendelenburg. The surgeon coagulates a 3-4 cm long segment of peritoneum over the ileopsoas muscle. Along the coagulated segment the peritoneum is opened. The surgeon identifies the ureter at its crossing over the common iliac vessels. After medializing the ureter, the pararectal space is opened and the internal iliac artery is identified and dissected till the origin of the uterine artery. The uterine artery is isolated over a distance of about 2 cm. The vascular clip is placed over the uterine artery. Yasargil Clips are applied exclusively in patients of intervention group. Myomectomy is performed in identical fashion in both groups. At the end of myomectomy the vessel clips are removed. The metroplasty is controlled for hemostasis after reopening of the uterine vessels.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Blood loss during laparoscopic myomectomy
Time Frame: perioperative (preop and postoperative day3)
hemoglobin drop transfusion rate
perioperative (preop and postoperative day3)

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Patency of uterine artery after laparoscopic clipping
Time Frame: perioperative
Doppler results of the uterine arteries
perioperative

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Charite University, Berlin, Germany

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
January 1, 2007

Study Completion

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
December 1, 2009

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
November 1, 2010

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
February 9, 2012

First Posted (ESTIMATE)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
February 10, 2012

Study Record Updates

Last Update Posted (ESTIMATE)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
February 10, 2012

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
February 9, 2012

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
June 1, 2010

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • EA4/07906

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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