Acute AppendicitisNCT07849751
Laparoscopic-Assisted TAP Block VErsus Trocar-site Infiltration After Laparoscopic Appendectomy
A study testing laparoscopic-assisted transversus abdominis plane block and trocar-site local anesthetic infiltration in people with Acute Appendicitis, run by Fatih Sultan Mehmet Training and Research Hospital at 1 site in Turkey (Türkiye).
Trial summary
This randomized controlled trial compared laparoscopic-assisted transversus abdominis plane (TAP) block with trocar-site local anesthetic infiltration for postoperative pain management in adult patients undergoing laparoscopic appendectomy for uncomplicated acute appendicitis. Read more about this study
- Who is it for?
- Ages 18 to 65 years
- Conditions the study is for
- Acute Appendicitis
- What is being tested?
- laparoscopic-assisted transversus abdominis plane block and trocar-site local anesthetic infiltration
- Type of treatment
- Injection or infusion, Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 60 participants
- Where
- 1 siteTurkey (Türkiye)
- Study dates
- 16 Aug 2017to 6 Jan 2018
- 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 18 to 65 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Age 18-65 years
- ASA physical status I-II
- Uncomplicated acute appendicitis without perforation or phlegmon
- Undergoing laparoscopic appendectomy
- Written informed consent
Who cannot join
- Allergy to local anesthetics
- Systemic disease such as diabetes mellitus, chronic kidney failure, or bleeding diathesis
- Infection at the block application site
- Regular analgesic use for chronic pain
- Alcohol or narcotic dependence
- Intraoperative diagnosis of perforated or phlegmonous appendicitis
- Conversion from laparoscopic to open surgery
Trial locations and contacts
1 site in 1 country.
Turkey (Türkiye)1 site
Fatih Sultan Mehmet Training and Reserch Hospital
Istanbul, Istanbul
About this study
Official title: Comparison of Laparoscopic-Assisted Transversus Abdominis Plane Block and Trocar-Site Local Anesthetic Infiltration After Laparoscopic Appendectomy: A Randomized Controlled Trial
This randomized controlled trial compared laparoscopic-assisted transversus abdominis plane (TAP) block with trocar-site local anesthetic infiltration for postoperative pain management in adult patients undergoing laparoscopic appendectomy for uncomplicated acute appendicitis. Sixty patients were randomized to receive either bilateral laparoscopic-assisted TAP block or local anesthetic infiltration at the trocar sites. Postoperative pain intensity, rescue analgesic requirements, recovery parameters, postoperative nausea and vomiting, complications, and length of hospital stay were evaluated.
- Conditions
- Acute Appendicitis
- Being tested
- laparoscopic-assisted transversus abdominis plane block, trocar-site local anesthetic infiltration
- Keywords
- Postoperative Pain, Transversus Abdominis Plane Block, TAP Block, Laparoscopic Appendectomy, Bupivacaine
- Medical subject headings
- Appendicitis, Pain, Postoperative
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
laparoscopic-assisted transversus abdominis plane blockProcedure or surgery
Bilateral laparoscopic-assisted transversus abdominis plane (TAP) block was performed after induction of general anesthesia. Under direct laparoscopic visualization, 15 mL of 0.25% bupivacaine was administered on each side, for a total volume of 30 mL and a total bupivacaine dose of 75 mg.
trocar-site local anesthetic infiltrationProcedure or surgery
Local anesthetic infiltration was performed at the three trocar sites before skin incision. A total of 15 mL of 0.5% bupivacaine was administered, with 5 mL infiltrated at each trocar site into the skin, subcutaneous tissue, and fascia, for a total bupivacaine dose of 75 mg.
| Study group | Role | What they receive |
|---|---|---|
| laparoscopic-assisted TAP Block | Experimental | Participants received a bilateral laparoscopic-assisted transversus abdominis plane (TAP) block after induction of general anesthesia. Under direct laparoscopic visualization, 15 mL of 0.25% bupivacaine was administered on each side, for a total volume of 30 mL and a total bupivacaine dose of 75 mg. Receives: Procedure: laparoscopic-assisted transversus abdominis plane block |
| trocar-site local anesthetic infiltration | Active comparator | Participants received local anesthetic infiltration at the three trocar sites before skin incision. A total of 15 mL of 0.5% bupivacaine was administered, with 5 mL infiltrated at each trocar site into the skin, subcutaneous tissue, and fascia, for a total bupivacaine dose of 75 mg. Receives: Procedure: trocar-site local anesthetic infiltration |
What is being measured
The primary outcome is the main question the study is designed to answer.
Postoperative Pain Intensity Assessed by Visual Analog Scale (VAS)
Postoperative pain at rest was assessed using the Visual Analog Scale (VAS) in both study groups at predefined postoperative time points.
Measured: Postoperative hours 0, 2, 6, 12, and 24
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted30 Sep 2026
- Study start16 Aug 2017
- Primary completion6 Jan 2018
- Study completion6 Jan 2018
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Acute AppendicitisStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Model description
- parallel assignment
- Masking
- Double blind
- Who is masked
- Investigator, Outcomes assessor
- Enrolment
- 60 participants (actual)
Sponsor and investigators
- Lead sponsor
- Fatih Sultan Mehmet Training and Research Hospital
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07849751
- Sponsor's protocol ID
- FSMEAH-TAP-207-26
- Status last verified
- Sep 2026
- First submitted
- 24 Sep 2026
- Last updated
- 30 Sep 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: De-identified individual participant data underlying the results reported in this study and related analysis outputs will be available from the corresponding author upon reasonable request.
Study at a glance
From the registry record, last updated by the sponsor on 30 Sep 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Comparison of Laparoscopic-Assisted Transversus Abdominis Plane Block and Trocar-Site Local Anesthetic Infiltration After Laparoscopic Appendectomy: A Randomized Controlled Trial
- ClinicalTrials.gov ID
- NCT07849751
- Acronym / sponsor ID
- FSMEAH-TAP-207-26
- Conditions
- Acute Appendicitis
- Keywords
- Postoperative Pain, Transversus Abdominis Plane Block, TAP Block, Laparoscopic Appendectomy, Bupivacaine
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 60 participants (actual)
- Lead sponsor
- Fatih Sultan Mehmet Training and Research HospitalUniversity, hospital or other
- Study start
- 16 Aug 2017 (actual)
- Primary completion
- 6 Jan 2018 (actual)
- Study completion
- 6 Jan 2018 (actual)
- First posted
- 30 Sep 2026 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This randomized controlled trial compared laparoscopic-assisted transversus abdominis plane (TAP) block with trocar-site local anesthetic infiltration for postoperative pain management in adult patients undergoing laparoscopic appendectomy for uncomplicated acute appendicitis. Sixty patients were randomized to receive either bilateral laparoscopic-assisted TAP block or local anesthetic infiltration at the trocar sites. Postoperative pain intensity, rescue analgesic requirements, recovery parameters, postoperative nausea and vomiting, complications, and length of hospital stay were evaluated.
Study design
- Primary purpose
- Supportive care
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (investigator, outcomes assessor)
- Number of arms
- 2
- Model description
- parallel assignment
| Arm | Type | Receives |
|---|---|---|
| laparoscopic-assisted TAP Block | Experimental | Procedure: laparoscopic-assisted transversus abdominis plane blockParticipants received a bilateral laparoscopic-assisted transversus abdominis plane (TAP) block after induction of general anesthesia. Under direct laparoscopic visualization, 15 mL of 0.25% bupivacaine was administered on each side, for a total volume of 30 mL and a total bupivacaine dose of 75 mg. |
| trocar-site local anesthetic infiltration | Active comparator | Procedure: trocar-site local anesthetic infiltrationParticipants received local anesthetic infiltration at the three trocar sites before skin incision. A total of 15 mL of 0.5% bupivacaine was administered, with 5 mL infiltrated at each trocar site into the skin, subcutaneous tissue, and fascia, for a total bupivacaine dose of 75 mg. |
Who may qualify
- Ages
- 18 to 65 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (5 listed)
- Age 18-65 years
- ASA physical status I-II
- Uncomplicated acute appendicitis without perforation or phlegmon
- Undergoing laparoscopic appendectomy
- Written informed consent
Key exclusion criteria (7 listed)
- Allergy to local anesthetics
- Systemic disease such as diabetes mellitus, chronic kidney failure, or bleeding diathesis
- Infection at the block application site
- Regular analgesic use for chronic pain
- Alcohol or narcotic dependence
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| laparoscopic-assisted transversus abdominis plane blockBilateral laparoscopic-assisted transversus abdominis plane (TAP) block was performed after induction of general anesthesia. Under direct laparoscopic visualization, 15 mL of 0.25% bupivacaine was administered on each side, for a total volume of 30 mL and a total bupivacaine dose of 75 mg. | Procedure or surgery | laparoscopic-assisted TAP Block |
| trocar-site local anesthetic infiltrationLocal anesthetic infiltration was performed at the three trocar sites before skin incision. A total of 15 mL of 0.5% bupivacaine was administered, with 5 mL infiltrated at each trocar site into the skin, subcutaneous tissue, and fascia, for a total bupivacaine dose of 75 mg. | Procedure or surgery | trocar-site local anesthetic infiltration |
Primary outcome
Postoperative Pain Intensity Assessed by Visual Analog Scale (VAS)
Time frame: Postoperative hours 0, 2, 6, 12, and 24
Postoperative pain at rest was assessed using the Visual Analog Scale (VAS) in both study groups at predefined postoperative time points.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 30 Sep 2026.
- Individual participant dataSharing planned: Yes. De-identified individual participant data underlying the results reported in this study and related analysis outputs will be available from the corresponding author upon reasonable request.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing laparoscopic-assisted transversus abdominis plane block and trocar-site local anesthetic infiltration in people with Acute Appendicitis, run by Fatih Sultan Mehmet Training and Research Hospital 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 5 inclusion and 7 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 30 Sep 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 Assessed by Visual Analog Scale (VAS) (time frame: Postoperative hours 0, 2, 6, 12, and 24). 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 30 Sep 2026.