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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05449054
Other study ID # Sutures in colporrhaphy
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date July 1, 2021
Est. completion date July 1, 2023

Study information

Verified date July 2022
Source Medical University of Vienna
Contact Christine Bekos
Phone 0043 69913536030
Email christine.bekos@meduniwien.ac.at
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The anterior vaginal wall is the segment most commonly affected by prolapse. Traditionally, anterior vaginal wall prolapse is repaired via anterior colporrhaphy (native tissue repair), which is known to have a high recurrence rate. Several factors like the suture plication method might affect the outcome of anterior colporrhaphy. The use of single button sutures for example might be associated with the high recurrence rate because the sutures might not be able to retain adequate strength. Nonetheless, no comparative data exist so far regarding the efficacy and safety of anterior colporrhaphy when analyzing the plication method of sutures (= comparison between continuous stiches versus simple interrupted stiches). The objective of this study is to compare the of patients undergoing anterior colporrhaphy due to symptomatic POP - using either continuous stiches or simple interrupted stiches. This is a randomized, single-center, superiority trial. Anterior colporrhaphy will be performed in a traditional standardized manner in accordance with the policy of our institution. After midline incision and preparation of vesicovaginal fascia, midline plication of the fibromuscular layer is performed. Patients are randomized either to the group receiving continuous sutures or to the group with simple interrupted stitches. The primary outcome of interest is subjective symptom improvement (evaluated by German version of the pelvic floor questionnaire) assessed at 6 and 12 months after surgery. Secondary outcome variables include anatomical outcomes, condition-specific quality of life and adverse events related to anterior colporrhaphy. Due to the power calculation, an estimated and planned number of participants is 40.


Description:

This trial is a single-center, prospective, randomized trial conducted with the aim of determining the superiority of continuous sutures over simple interrupted stitches with regard to the primary outcome in POP patients undergoing anterior colporrhaphy. The study will be a single-blind study, as it is impossible to blind the study surgeon for the surgical procedure to which the subject is assigned. However, all outcome assessors and the subjects will be blinded to the treatment assignment. Postoperative follow-up will take place after 4-6 weeks, 6 months and 12 months. Patients will undergo a standardized urogynecological examination that includes assessment of prolapse with POP-Q measurement. Furthermore subjective outcome will be assessed with standardized questionnaires - our study participants will receive the German version of the pelvic floor questionnaire. Study setting This study will be conducted at the urogynecologic outpatient clinic (Division of General Gynecology and Gynecologic Oncology, Department of Obstetrics and Gynecology, Medical University of Vienna). Enrolment, treatment and data collection will be standardized by all sites according to the approved study protocol. Participants and recruitment The study population will consist of women aged 18 years or older who are referred to our urogynecologic outpatient clinic due to symptomatic POP. Women with anterior vaginal wall prolapse and an indication for reconstructive pelvic floor surgery - including anterior colporrhaphy with native tissue repair - can be included in this trial. Intervention Anterior colporrhaphy will be performed in a traditional and standardized manner in accordance to our surgical policy. Any other concomitant procedures (e.g. vaginal hysterectomy, sacrospinous suspension, superficial perineorrhaphy, posterior recto-vaginal fascia plication, McCall's culdoplasty) will be performed in accordance with each surgeon's preferred technique. All patients will be operated by the vaginal route. They are prepared under strict aseptic conditions in the dorsal lithotomy position. The bladder is emptied preoperatively with a thin disposable catheter and antibiotic prophylaxis (cefazolin) is administered before incision. A vasoconstricting solution (combination of vasopression and NaCl) is administered and a vertical anterior vaginal incision is made from the apex to two centimeters short of the external urethral meatus using an electric cautery or a scalpel. The vaginal epithelium is grasped on both sides and the fibromuscular layer of the anterior vaginal wall is sharply dissected laterally to the inferior pubic ramus. The bladder is completely dissected from the apex and up to 4 to 6 cm from the pubic ramus. The anterior colporrhaphy is defined as a native tissue repair and rows of absorbable sutures (2/0 vicryl) are used. Depending on preoperative randomization, patients will receive either continuous stitches versus simple interrupted stitches for plication during anterior colporrhaphy. Sutures will be in a distance of no more than 0.5 cm. Trimming of the vagina will be performed if necessary. Anterior vaginal skin is closed with continuous 2/0 vicryl sutures. Participating surgeons will be defined as high volume surgeons in prolapse surgery and will also be part of the urogynecologic core team. Perioperative management is also standardized and includes preoperative single-shot antibiotics as well as vaginal pack and an indwelling urinary catheter for 24 hours after the surgical procedure. Patients undergoing anterior with or without apical prolapse correction will have postvoid residual volume measurement at the first postoperative day (when urinary catheter is removed). A postvoid residual volume of 2 x < 100 ml is defined as normal and no further follow- ups are necessary. Postvoid residual volumes of > 150 mL or greater will be considered as abnormal. These patients' volumes will continue mechanical bladder drainage via clean intermittent (self)-catheterisation until the postvoid residual volumes are consistently less than 150 ml. Patients will receive standard analgesic therapy in accordance with the local hospital protocol (Metamizol 1g intravenously, 3 times a day). Postoperative Management: The patients are instructed to rest for 2 weeks after the operation (not to work, to do sport, to do the cleaning and to carry more than five kilos). They are allowed to return to work after 4 weeks and to take part in sport or have intercourse after 6 weeks. Follow-up visits are scheduled after 4-6 weeks, 6 months and 1 year in our outpatient clinic due to our study protocol. Urogynecological examination is performed at each visit and evaluations are made using the POP-Q measurement system on maximum Valsalva effort in the seated semi-lithotomy position. Objective anatomical cure was defined as a Ba point < -1. Postoperative functional results for symptoms, quality of life and sexuality are evaluated with the Deutsche Beckenboden-Fragebogen. This Pelvic Floor Questionnaire consists of four domains: bladder, bowel, pelvic organ prolapse and sexual function. In every domain various questions assess severity and condition-specific quality of life. Every question is scored on a scale from zero to four. The sum of each individual domain is divided by the maximum reachable score and multiplied by ten, giving a value between zero (0= no symptoms) and ten (10=maximum of symptoms) for each of the domains. Data collection At baseline, the following data will be collected: demographics and medical history data (age, body mass index, parity, menopausal and hormone therapy status, current smoking, previous hysterectomy and previous anti-incontinence surgery, and medical comorbidities (diabetes mellitus, connective tissue disorders)), and data from the standardized POPQ examination in a 45° upright sitting position during maximal Valsalva. Patients will be asked to complete the validated questionnaire (Deutscher Beckenboden-Fragebogen). Scheduled in-person follow-ups will occur at 4 to 6 weeks, 6 and 12 months after the operation. Each check-up will include a clinical examination including POPQ and written questionnaire identical to this at baseline. In addition, an update of current medications, an assessment of new or continuing pelvic floor disorders and adverse events that occurred since the previous evaluation will be obtained by the study coordinator at each visit. All data will be anonymized and collected using case report forms by examiners or trained research coordinators who are blinded to the treatment assignment.


Recruitment information / eligibility

Status Recruiting
Enrollment 48
Est. completion date July 1, 2023
Est. primary completion date July 1, 2023
Accepts healthy volunteers No
Gender Female
Age group 18 Years and older
Eligibility Inclusion Criteria: - Anterior vaginal wall prolapse beyond the hymen (POPQ point Ba >0) with a central defect. - Vaginal bulge symptoms - Reconstructive surgery via native tissue repair is indicated and planned. Exclusion Criteria: - Recurrent anterior vaginal wall prolapse - Anterior vaginal wall prolaps with lateral defect - Reconstructive surgery using mesh or obliterative surgery is planned - Known pelvic malignancy - Current systemic glucocorticoid or immunosuppressant treatment - Subject is unable or unwilling to participate

Study Design


Intervention

Procedure:
Anterior colporrhaphy
All patients will be operated by the vaginal route. They are prepared under strict aseptic conditions in the dorsal lithotomy position. The bladder is emptied preoperatively with a thin disposable catheter and antibiotic prophylaxis (cefazolin) is administered before incision. A vasoconstricting solution (combination of vasopression and NaCl) is administered and a vertical anterior vaginal incision is made from the apex to two centimeters short of the external urethral meatus using an electric cautery or a scalpel. The vaginal epithelium is grasped on both sides and the fibromuscular layer of the anterior vaginal wall is sharply dissected laterally to the inferior pubic ramus. The bladder is completely dissected from the apex and up to 4 to 6 cm from the pubic ramus. The anterior colporrhaphy is defined as a native tissue repair and rows of absorbable sutures (2/0 vicryl) are used.

Locations

Country Name City State
Austria Medical University of Vienna, Department of Obstetrics and Gynecology Vienna

Sponsors (1)

Lead Sponsor Collaborator
Medical University of Vienna

Country where clinical trial is conducted

Austria, 

Outcome

Type Measure Description Time frame Safety issue
Primary subjective symptom improvement differences in the German version of the pelvic floor questionnaire (12 months after the operation compared to preoperative score, ranging from a minimum of 0 (better outcome) to a maximum of 2.875 (worse outcome)) 12 months
Secondary anatomical outcomes changes in POPQ stages from baseline (stage 0 (no prolapse) to stage 4 (vaginal eversion is essentially complete)) 12 months
Secondary rate of adverse events differences in intraoperative (bladder injury, ureteral obstruction, massive bleeding) and postoperative (haematoma, vesico-vaginal fistula, ureteral obstruction, urinary tract infection, incomplete bladder emptying, overactive bladder or stress incontinence symptoms, suture erosion, vaginal wound dehiscence, infection or granulation tissue, etc) adverse events 12 months
Secondary operation time operation times in minutes 1 day
Secondary blood loss intraoperative blood loss in ml 1 day
Secondary pain killers postoperative use of pain killers (type of pain killers and dosage) 30 days
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