NCT01857466

Brief Summary

Laparoscopy has become the gold standard for the surgical treatment of benign ovarian cysts and is usually performed by stripping the ovarian cyst wall, followed by bleeding control of the ovarian wound ground using bipolar coagulation. However, the hemostasis with bipolar coagulation could result in the damage of ovarian reserve and decrease the response of the ovaries to hormonal stimulation for assisted reproductive technologies. The possible mechanism may contribute to thermal destruction of ovarian follicles by excessive use of bipolar coagulation for hemostasis purposes. To avoid additional ovarian tissue damage by conventional bipolar coagulation being potentially important ovarian reproductive function, hemostasis using various topical hemostatic agents has introduced to control post-cystectomy ovarian wound bleeding. Among them, FloSeal (Baxter Healthcare Corporation, Deerfield, IL, USA) is a hemostatic matrix sealant composed of a gelatin-based matrix and thrombin solution. On coming into contact with blood after application at a bleeding site, the gelatin particles swell and tamponade bleeding. The bulk of the gelatin matrix-thrombin composite has the effect of slowing blood flow and providing exposure to a high thrombin concentration, thus hastening clot formation. Therefore, it may more suitable for use in post-cystectomy ovarian wound bleeding, where there is superficially pervasive focus of bleeding. Ovarian reserve is defined as the functional potential of the ovary, which reflects the number and quality of antral follicles left in the ovary, and is correlated with the response to ovarian stimulation using exogenous gonadotropin. Serum anti-Müllerian hormone (AMH) has been accepted as the most reliable and easily measurable marker for postoperative assessment of ovarian reserve. The investigators conducted a multicenter, large-scale, randomized controlled trial to investigate whether hemostasis by Floseal was superior to that by bipolar coagulation in preserving ovarian reserve by assessing serial AMH levels in patients undergoing laparoscopic ovarian cystectomy for benign ovarian cysts.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
100

participants targeted

Target at P25-P50 for phase_3

Timeline
Completed

Started Dec 2012

Shorter than P25 for phase_3

Geographic Reach
1 country

3 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 1, 2012

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

May 16, 2013

Completed
4 days until next milestone

First Posted

Study publicly available on registry

May 20, 2013

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2013

Completed
Last Updated

June 25, 2014

Status Verified

June 1, 2014

Enrollment Period

10 months

First QC Date

May 16, 2013

Last Update Submit

June 24, 2014

Conditions

Outcome Measures

Primary Outcomes (1)

  • Decline rate of serum AMH levels

    The primary outcome of the study was the impact on ovarian reserve determined by serum AMH levels after the applications of two hemostatic techniques for ovarian wound bleeding.

    3 months after therapy

Study Arms (2)

Floseal

EXPERIMENTAL

In the Floseal group, the sites of bleeding were covered with Floseal under direct vision with a laparoscopic applicator and ovarian cortex was closed on itself and waited for 2 minutes for Floseal to act. Then, subsequently bleeding sites were reexamined with irrigation.

Procedure: Floseal

Bipolar coagulation

ACTIVE COMPARATOR

In the bipolar group, hemostasis of the ovarian parenchyma was achieved with selective minimal (20-30 watt current) bipolar coagulation without excessive coagulation of surgical defect to avoid damaging the ovary.

Procedure: Bipolar coagulation

Interventions

FlosealPROCEDURE
Floseal
Bipolar coagulation

Eligibility Criteria

Age18 Years - 45 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • age between 18 and 45 years
  • maximum diameter of the cyst between 3 and 10 cm
  • regular menstrual bleeding (defined as cycle length less than 21 or more than 45 days)
  • appropriate medical status for laparoscopic surgery (American Society of Anesthesiologists Physical Status classification 1 or 2).

You may not qualify if:

  • any suspicious finding of malignant ovarian diseases
  • postmenopausal status
  • baseline serum AMH \< 0.50 ng/mL
  • pregnancy
  • lactation
  • any other endocrine diseases (such as thyroid dysfunction, hyperprolactinemia, or Cushing's syndrome)
  • use of hormonal treatments in the 3 months before enrollment

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

National Health Insurance Service Ilsan Hospital

Goyang, South Korea

Location

CHA Gangnam Medical Center

Seoul, South Korea

Location

Kangbuk Samsung Hospital, Sungkyunkwan University

Seoul, South Korea

Location

Related Publications (1)

  • Song T, Lee SH, Kim WY. Additional benefit of hemostatic sealant in preservation of ovarian reserve during laparoscopic ovarian cystectomy: a multi-center, randomized controlled trial. Hum Reprod. 2014 Aug;29(8):1659-65. doi: 10.1093/humrep/deu125. Epub 2014 Jun 4.

MeSH Terms

Conditions

Ovarian Cysts

Interventions

FloSeal Matrix

Condition Hierarchy (Ancestors)

CystsNeoplasmsOvarian DiseasesAdnexal DiseasesGenital Diseases, FemaleFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesGenital DiseasesGonadal DisordersEndocrine System Diseases

Study Officials

  • Taejong Song, M.D

    CHA Gangnam Medical Center, Seoul, Republic of Korea

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

May 16, 2013

First Posted

May 20, 2013

Study Start

December 1, 2012

Primary Completion

October 1, 2013

Study Completion

October 1, 2013

Last Updated

June 25, 2014

Record last verified: 2014-06

Locations