NCT07637201

Brief Summary

The goal of this randomized clinical trial is to compare two minimally invasive surgical approaches, transvaginal natural orifice transluminal endoscopic surgery (V-NOTES) and conventional laparoscopy, in women undergoing bilateral tubal ligation or bilateral salpingectomy for sterilization. The main questions it aims to answer are:

  • Does V-NOTES have a different effect on postoperative sexual function compared with conventional laparoscopy?
  • Does V-NOTES improve postoperative recovery, including pain, discharge time, and return to normal activity?
  • What surgical or medical problems occur with each surgical approach?
  • Researchers will compare V-NOTES with conventional laparoscopy to see whether one approach provides better postoperative sexual function and recovery outcomes after sterilization surgery. Participants will:
  • Undergo bilateral tubal ligation or bilateral salpingectomy using either V-NOTES or conventional laparoscopy.
  • Complete sexual function questionnaires before surgery, at 6 weeks after surgery, and at 6 months after surgery.
  • Be evaluated for postoperative pain, discharge time, return to normal activity, need for additional pain medication, complications, and perioperative laboratory changes.
  • Attend scheduled postoperative follow-up visits at 6 weeks and 6 months after surgery.

Trial Health

75
On Track

Trial Health Score

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

Enrollment
118

participants targeted

Target at P50-P75 for not_applicable

Timeline
6mo left

Started Aug 2025

Geographic Reach
1 country

1 active site

Status
active not recruiting

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 Progress65%
Aug 2025Dec 2026

Study Start

First participant enrolled

August 6, 2025

Completed
10 months until next milestone

First Submitted

Initial submission to the registry

June 1, 2026

Completed
8 days until next milestone

First Posted

Study publicly available on registry

June 9, 2026

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2026

Last Updated

June 9, 2026

Status Verified

June 1, 2026

Enrollment Period

1.3 years

First QC Date

June 1, 2026

Last Update Submit

June 5, 2026

Conditions

Keywords

FSFIV-NOTESLaparoscopySterilization

Outcome Measures

Primary Outcomes (1)

  • Change in postoperative sexual function as assessed by the Female Sexual Function Index total score

    The Female Sexual Function Index is a 19-item self-reported questionnaire that evaluates female sexual function across six domains: desire, arousal, lubrication, orgasm, satisfaction, and pain. The total score ranges from 2.0 to 36.0, with higher scores indicating better sexual function. The outcome will be reported as the change in total Female Sexual Function Index score from baseline to 6 weeks and 6 months after surgery. A positive change indicates improvement in sexual function, whereas a negative change indicates worsening.

    Baseline, postoperative 6th week, and postoperative 6th month

Secondary Outcomes (12)

  • Body mass index (BMI)

    Baseline

  • History of previous obstetric and non-obstetric surgery

    Baseline/preoperative assessment

  • Participants With Pre-existing Comorbidities Assessed by Medical History and Medical Record Review

    Baseline

  • Duration of the surgical prosedure

    Intraoperative

  • Estimated intraoperative blood loss volume measured in milliliters

    Intraoperative

  • +7 more secondary outcomes

Study Arms (2)

V-NOTES

EXPERIMENTAL

Participants assigned to this arm will undergo sterilization surgery, either bilateral tubal ligation or bilateral salpingectomy, using the V-NOTES approach.

Procedure: V-NOTES Bilateral Tubal Ligation or Salpingectomy

Laparoscopy

ACTIVE COMPARATOR

Participants in this arm will undergo bilateral tubal ligation or bilateral salpingectomy for sterilization using conventional laparoscopy.

Procedure: Laparoscopic Bilateral Tubal Ligation or Salpingectomy

Interventions

Transvaginal natural orifice transluminal endoscopic surgery (V-NOTES) will be used to perform bilateral tubal ligation or bilateral salpingectomy for sterilization. In this approach, the peritoneal cavity will be accessed through a posterior vaginal fornix incision. A single-port transvaginal access platform will be inserted, and the sterilization procedure will be completed under endoscopic visualization. At the end of the procedure, the posterior vaginal fornix incision will be closed with absorbable suture.

V-NOTES

Laparoscopy will be used to perform bilateral tubal ligation or bilateral salpingectomy for sterilization. In this approach, the procedure will be performed through standard abdominal trocar access, including an umbilical trocar for laparoscope insertion and two additional lower abdominal trocars for surgical instruments. The sterilization procedure will be completed under laparoscopic visualization, and the abdominal skin incisions will be closed at the end of the procedure.

Laparoscopy

Eligibility Criteria

Age30 Years - 45 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Women aged 30 to 45 years
  • Sexually active women
  • Women who have completed childbearing and request permanent surgical sterilization
  • Scheduled to undergo bilateral tubal ligation or bilateral salpingectomy for contraceptive purposes
  • Able and willing to attend scheduled postoperative follow-up visits at 6 weeks and 6 months
  • Able to provide written informed consent

You may not qualify if:

  • Stage 2 or higher pelvic organ prolapse
  • Active vaginal infection
  • History of rectal surgery
  • Suspected rectovaginal endometriosis
  • Suspected malignancy
  • Pregnancy
  • Menopause
  • Unable or unwilling to attend scheduled postoperative follow-up visits

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Izmir Tepecik TRH

Izmir, Bornova, Turkey (Türkiye)

Location

Related Publications (16)

  • Tanaka M, Sagawa T, Yamazaki R, Myojo S, Dohi S, Inoue M. Evaluation of transvaginal peritoneal surgery in young female patients. Surg Endosc. 2013 Jul;27(7):2619-24. doi: 10.1007/s00464-012-2749-7. Epub 2013 Feb 7.

  • Coomber RS, Sodergren MH, Clark J, Teare J, Yang GZ, Darzi A. Natural orifice translumenal endoscopic surgery applications in clinical practice. World J Gastrointest Endosc. 2012 Mar 16;4(3):65-74. doi: 10.4253/wjge.v4.i3.65.

  • Li YC, Ku FC, Kuo HH, Tseng HJ, Wang CJ. Transvaginal endoscopic surgery-assisted versus conventional laparoscopic adnexectomy (TVEA vs. CLA): A propensity-matched study and literature review. Taiwan J Obstet Gynecol. 2017 Jun;56(3):336-341. doi: 10.1016/j.tjog.2017.04.013.

  • Linke GR, Luz S, Janczak J, Zerz A, Schmied BM, Siercks I, Warschkow R, Beutner U, Tarantino I. Evaluation of sexual function in sexually active women 1 year after transvaginal NOTES: a prospective cohort study of 106 patients. Langenbecks Arch Surg. 2013 Jan;398(1):139-45. doi: 10.1007/s00423-012-0993-x. Epub 2012 Aug 26.

  • Huang YT, Yang LY, Pan YB, Huang HY, Wu KY, Wang CJ, Weng CH. Learning Curve Analysis of Transvaginal Natural Orifice Adnexal Surgery. J Minim Invasive Gynecol. 2020 Feb;27(2):489-497. doi: 10.1016/j.jmig.2019.04.009. Epub 2019 Apr 10.

  • Kaya C, Alay I, Cengiz H, Baghaki S, Aslan O, Ekin M, Yasar L. Conventional Laparoscopy or Vaginally Assisted Natural Orifice Transluminal Endoscopic Surgery for Adnexal Pathologies: A Paired Sample Cross-Sectional Study. J Invest Surg. 2021 Nov;34(11):1185-1190. doi: 10.1080/08941939.2020.1789246. Epub 2020 Jul 7.

  • Rosen R, Brown C, Heiman J, Leiblum S, Meston C, Shabsigh R, Ferguson D, D'Agostino R Jr. The Female Sexual Function Index (FSFI): a multidimensional self-report instrument for the assessment of female sexual function. J Sex Marital Ther. 2000 Apr-Jun;26(2):191-208. doi: 10.1080/009262300278597.

  • Myles PS, Myles DB, Galagher W, Boyd D, Chew C, MacDonald N, Dennis A. Measuring acute postoperative pain using the visual analog scale: the minimal clinically important difference and patient acceptable symptom state. Br J Anaesth. 2017 Mar 1;118(3):424-429. doi: 10.1093/bja/aew466.

  • Kaya C, Aktoz F, Gunes AC, Tercan C, Sacinti KG, Yassa M, AlAli H. Evaluating the efficacy and benefits of vNOTES for ovarian cystectomy: a systematic review and meta-analysis. Eur J Obstet Gynecol Reprod Biol. 2025 Sep;313:114596. doi: 10.1016/j.ejogrb.2025.114596. Epub 2025 Jul 22.

  • Zhang Y, Jia Y, Dai X, Wang F, Gong Y. Transvaginal natural orifice transluminal endoscopic surgery-assisted versus transumbilical laparoendoscopic single-site ovarian cystectomy for ovarian mature cystic teratoma. A randomized controlled trial. Ginekol Pol. 2024;95(5):343-349. doi: 10.5603/gpl.95422. Epub 2023 Dec 15.

  • Yan J, Zhou D, Zhang S, Zhang B, Tuo X, Meng Q, Lv Q. Clinical efficacy and safety of transvaginal natural orifice transluminal endoscopic surgery for benign adnexal disease: a prospective trial. BMC Womens Health. 2024 Jul 5;24(1):390. doi: 10.1186/s12905-024-03226-5.

  • Mollahuseyinoglu Kullac F, Ozdemir AZ, Yildiz C. A single center retrospective study of vNOTES hysterectomy, laparoscopic hysterectomy and vaginal hysterectomy operations. Medicine (Baltimore). 2024 Dec 13;103(50):e40881. doi: 10.1097/MD.0000000000040881.

  • Lee CL, Wu KY, Su H, Wu PJ, Han CM, Yen CF. Hysterectomy by transvaginal natural orifice transluminal endoscopic surgery (NOTES): a series of 137 patients. J Minim Invasive Gynecol. 2014 Sep-Oct;21(5):818-24. doi: 10.1016/j.jmig.2014.03.011. Epub 2014 Mar 25.

  • Baekelandt J. Total Vaginal NOTES Hysterectomy: A New Approach to Hysterectomy. J Minim Invasive Gynecol. 2015 Sep-Oct;22(6):1088-94. doi: 10.1016/j.jmig.2015.05.015. Epub 2015 May 22.

  • Ahn KH, Song JY, Kim SH, Lee KW, Kim T. Transvaginal single-port natural orifice transluminal endoscopic surgery for benign uterine adnexal pathologies. J Minim Invasive Gynecol. 2012 Sep-Oct;19(5):631-5. doi: 10.1016/j.jmig.2012.04.001. Epub 2012 Jul 3.

  • Kalloo AN, Singh VK, Jagannath SB, Niiyama H, Hill SL, Vaughn CA, Magee CA, Kantsevoy SV. Flexible transgastric peritoneoscopy: a novel approach to diagnostic and therapeutic interventions in the peritoneal cavity. Gastrointest Endosc. 2004 Jul;60(1):114-7. doi: 10.1016/s0016-5107(04)01309-4.

MeSH Terms

Interventions

Salpingectomy

Intervention Hierarchy (Ancestors)

Gynecologic Surgical ProceduresUrogenital Surgical ProceduresSurgical Procedures, Operative

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
OTHER
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Obstetrics and Gynecology Specialist

Study Record Dates

First Submitted

June 1, 2026

First Posted

June 9, 2026

Study Start

August 6, 2025

Primary Completion (Estimated)

December 1, 2026

Study Completion (Estimated)

December 1, 2026

Last Updated

June 9, 2026

Record last verified: 2026-06

Data Sharing

IPD Sharing
Will share
Shared Documents
STUDY PROTOCOL, SAP

Locations