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Postoperative Pain ManagementmarcaineNCT07426666

Vaginal Cuff Bupivacaine Injection for Postoperative Pain

A study testing Bupivacaine %0.25 (isobaric) in people with Postoperative Pain Management, run by Havva Betül Bacak at 1 site in Turkey (Türkiye).

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This randomized controlled study evaluates whether injecting bupivacaine into the vaginal cuff during vaginal hysterectomy reduces postoperative pain. Vaginal hysterectomy is commonly performed for benign gynecologic conditions. Read more about this study

Who is it for?
Ages 35 to 75 years, women only
Conditions the study is for
Postoperative Pain Management
What is being tested?
Bupivacaine %0.25 (isobaric)
Could I receive a placebo?
No, everyone receives an active treatment
How many people
48 participants
Where
1 siteTurkey (Türkiye)
Study dates
5 Aug 2025to 24 Oct 2025
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 35 to 75 years
  • Women only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Women aged 35 to 75 years
  • Scheduled for elective vaginal hysterectomy for benign gynecologic indications (e.g., uterine fibroids, adenomyosis, abnormal uterine bleeding, pelvic organ prolapse)
  • Able to provide written informed consent

Who cannot join

  • Known or suspected gynecologic malignancy (endometrial, cervical, or uterine)
  • Allergy or hypersensitivity to local anesthetics, especially bupivacaine
  • Prior pelvic radiotherapy or major pelvic surgery resulting in altered anatomy
  • Conditions preventing vaginal cuff injection (e.g., extensive scarring, active infection)
  • Inability to reliably assess pain (e.g., impaired consciousness, dementia, severe psychiatric disorder)
  • Refusal to sign informed consent

Trial locations and contacts

1 site in 1 country.

Turkey (Türkiye)1 site
  • SBÜ Gaziosmanpaşa Training and Research Hospital

    Istanbul, Outside of the US, 33400

Other trials in Turkey (Türkiye)

About this study

Official title: The Effect of Vaginal Cuff Bupivacaine Injection on Postoperative Pain After Vaginal Hysterectomy

This randomized controlled study evaluates whether injecting bupivacaine into the vaginal cuff during vaginal hysterectomy reduces postoperative pain. Vaginal hysterectomy is commonly performed for benign gynecologic conditions. Although it is associated with less pain compared to abdominal surgery, postoperative discomfort may still affect recovery and patient satisfaction.

In this study, 48 women undergoing elective vaginal hysterectomy were randomly assigned to two groups. In the intervention group, 0.25% bupivacaine was injected bilaterally into the vaginal cuff after closure. In the control group, no local anesthetic injection was administered. All patients received the same standard postoperative pain management protocol.

Pain levels were measured using the Visual Analog Scale (VAS) at 1, 3, 6, 12, and 24 hours after surgery. Additional analgesic consumption and possible complications were also recorded. The study aims to determine whether vaginal cuff bupivacaine infiltration improves early postoperative pain control.

Read the detailed description

This prospective, single-center, randomized controlled trial was conducted to evaluate the effect of bilateral vaginal cuff infiltration with 0.25% bupivacaine on postoperative pain following vaginal hysterectomy performed for benign gynecologic indications.

Vaginal hysterectomy, although minimally invasive, may still be associated with significant postoperative discomfort. The uterus and surrounding structures receive innervation from the uterosacral plexus (Lee-Frankenhauser plexus), which plays a role in postoperative pain transmission. Local anesthetic infiltration targeting this anatomical region may reduce nociceptive signaling and improve early postoperative pain control.

A total of 48 women aged 35-75 years scheduled for elective vaginal hysterectomy were randomized using a sealed-envelope method into two parallel groups:

Intervention group (n=24): Bilateral infiltration of 10 mL 0.25% bupivacaine into the lateral aspects of the vaginal cuff following cuff closure.

Control group (n=24): Standard surgical procedure without local anesthetic infiltration.

All procedures were performed under general anesthesia. Postoperative analgesia was administered according to institutional standard protocol. Pain intensity was assessed using the Visual Analog Scale (VAS) at postoperative 1, 3, 6, 12, and 24 hours.

The primary outcome was postoperative pain intensity measured by VAS scores. Secondary outcomes included total analgesic consumption within the first 24 hours, intraoperative and postoperative complications, and length of hospital stay.

The study was completed after enrollment of 40 participants, and outcomes were analyzed to determine the efficacy and safety of vaginal cuff bupivacaine infiltration in reducing early postoperative pain following vaginal hysterectomy.

Being tested
Bupivacaine %0.25 (isobaric)
Keywords
Vaginal Hysterectomy, Bupivacaine, Analgesia
Medical subject headings
Agnosia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Bupivacaine %0.25 (isobaric)Drug

    0.25% bupivacaine (10 mL) was bilaterally infiltrated into the lateral aspects of the vaginal cuff following cuff closure during vaginal hysterectomy.

Study groups in NCT07426666
Study groupRoleWhat they receive
Bupivacaine Injection GroupExperimentalParticipants in this group underwent standard vaginal hysterectomy. After vaginal cuff closure, bilateral infiltration of 10 mL 0.25% bupivacaine was administered to the lateral aspects of the vaginal cuff. All patients received the standard postoperative analgesia protocol.
Receives: Drug: Bupivacaine %0.25 (isobaric)
Control GroupNo interventionParticipants in this group underwent standard vaginal hysterectomy without local anesthetic infiltration of the vaginal cuff. All patients received the same standard postoperative analgesia protocol.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Postoperative Pain Intensity Measured by Visual Analog Scale (VAS)

    Pain intensity was assessed using a 10-point Visual Analog Scale (VAS), where 0 indicates no pain and 10 indicates the worst imaginable pain. Scores were recorded at predefined postoperative time points to evaluate the effectiveness of vaginal cuff bupivacaine infiltration

    Measured: 1, 3, 6, 12, and 24 hours postoperatively

  2. Postoperative Pain Intensity Measured by Visual Analog Scale (VAS)

    Pain intensity was assessed using a 10-point Visual Analog Scale (VAS), where 0 indicates no pain and 10 indicates the worst imaginable pain. Scores were recorded at predefined postoperative time points to evaluate the effectiveness of vaginal cuff bupivacaine infiltration.

    Measured: 1, 3, 6, 12, and 24 hours postoperatively

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted23 Feb 2026
  2. Study start5 Aug 2025
  3. Primary completion24 Oct 2025
  4. Study completion24 Oct 2025

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
Participants were randomly assigned in a 1:1 ratio to one of two parallel groups using a sealed-envelope method. The intervention group received bilateral vaginal cuff infiltration with 10 mL of 0.25% bupivacaine after cuff closure, while the control group underwent the same surgical procedure without local anesthetic infiltration. The study was conducted as a single-center, open-label randomized controlled trial.
Masking
Single blind
Who is masked
Participant
Enrolment
48 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07426666
Sponsor's protocol ID
gopvahmarcaine
Acronym
marcaine
Status last verified
Feb 2026
First submitted
15 Feb 2026
Last updated
23 Feb 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing Bupivacaine %0.25 (isobaric) in people with Postoperative Pain Management, run by Havva Betül Bacak at 1 site in Turkey (Türkiye).

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 23 Feb 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Turkey (Türkiye). Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Postoperative Pain Intensity Measured by Visual Analog Scale (VAS) (time frame: 1, 3, 6, 12, and 24 hours postoperatively). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 Feb 2026.

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