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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT01575028
Other study ID # IRB12-00140
Secondary ID
Status Terminated
Phase Phase 2
First received April 5, 2012
Last updated July 29, 2015
Start date October 2012
Est. completion date July 2014

Study information

Verified date July 2015
Source Nationwide Children's Hospital
Contact n/a
Is FDA regulated No
Health authority United States: Food and Drug Administration
Study type Interventional

Clinical Trial Summary

This study is a prospective, double-blinded, randomized comparison of 2 patient cohorts. One group of patients will receive a transversus abdominis plane (TAP) block. The second group will receive local anesthetic infiltration injected at the surgical site by the surgeon at the end of surgery for a laparoscopic appendectomy. The purpose of this study is to prospectively compare post-operative pain relief in pediatric patients undergoing laparoscopic appendectomy who have received either a transversus abdominis plane (TAP) block or local anesthetic infiltration by the surgeon for analgesia to compare the most appropriate delivery of effective analgesia. In an effort to improve postoperative analgesia while limiting opioid-related adverse effects, there continues to be an increased use of multimodal techniques in infants and children.


Description:

The literature has clearly demonstrated that the effective treatment of postoperative pain in infants and children is challenging. Despite the recognition of the importance of postoperative analgesia and the potential adverse effects of postoperative pain, significant pain occurs during the postoperative period in both the inpatient and outpatients settings. Specifically, appendectomy is one of the most common pediatric surgical procedures and is associated with significant postoperative pain. Additionally, although the use of opioid analgesics is generally safe, adverse effects do occur thereby mandating the use of alternative analgesic techniques when feasible. In an effort to improve postoperative analgesia while limiting opioid-related adverse effects, there continues to be an increased use of multimodal techniques in infants and children. These can include TAP block as well as wound infiltration with local anesthetic. The efficacy of TAP blocks in the setting of laparoscopic appendectomy has been demonstrated in both adult and pediatric populations, however its efficacy in comparison to local anesthetic infiltration is unclear.

The TAP block was first described by McDonnell et al. in 2004 for pain control of procedures involving the anterior abdominal wall. The skin, muscles, and parietal peritoneum in this region are innervated by the T7 through L1 nerve roots. The authors described deposition of local anesthetic in the plane between the internal oblique and the transversus abdominis muscle where the terminal branches of the T7 through L1 nerves lie. Since then, the TAP block has been shown to effectively provide analgesia for a variety of abdominal procedures. In 2007 an ultrasound guided approach was described by Hebbard et al. with a subsequent study concluding that an ultrasound guided TAP block provided superior analgesia than a blind technique.

The frequency of surgical appendectomy in both the inpatient surgical as well as the ambulatory setting justifies this comparison of effective analgesia. This study can certainly change the daily practice of the pediatric anesthesiologist in providing optimal care in patient and family satisfaction, as well as recovery.


Recruitment information / eligibility

Status Terminated
Enrollment 3
Est. completion date July 2014
Est. primary completion date July 2014
Accepts healthy volunteers No
Gender Both
Age group N/A and older
Eligibility Inclusion Criteria:

- ASA physical status I or II

- Patients > 4 years of age

- Weight less than or equal to 60 kg

- Presenting for laparoscopic appendectomy

Exclusion Criteria:

- ASA physical status > II

- Patients < 4 years of age

- Weight greater than 60 kg

- Patients presenting for ruptured appendectomy surgical procedures

- Co-morbid diseases (cardiac, pulmonary (not including asthma), neurological disease)

- Patients having concomitant procedures (circumcision, orchiopexy, etc.)

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Drug:
Ropivacaine
The TAP block will be delivered with 0.2ml/kg of 0.2% Ropivacaine with 1:200,000 epinephrine bilaterally
Bupivacaine
The local anesthetic at the incision sites will be injected by the surgeon.

Locations

Country Name City State
United States Nationwide Children's Hospital Columbus Ohio

Sponsors (1)

Lead Sponsor Collaborator
Nationwide Children's Hospital

Country where clinical trial is conducted

United States, 

References & Publications (2)

Hebbard P, Fujiwara Y, Shibata Y, Royse C. Ultrasound-guided transversus abdominis plane (TAP) block. Anaesth Intensive Care. 2007 Aug;35(4):616-7. — View Citation

McDonnell JG, O'Donnell B, Curley G, Heffernan A, Power C, Laffey JG. The analgesic efficacy of transversus abdominis plane block after abdominal surgery: a prospective randomized controlled trial. Anesth Analg. 2007 Jan;104(1):193-7. Erratum in: Anesth Analg. 2007 May;104(5):1108. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Post-operative Pain Relief Prospectively compare post-operative pain relief in pediatric patients undergoing laparoscopic appendectomy who have received either a transversus abdominis plane (TAP) block or local anesthetic infiltration by the surgeon for analgesia. 12 hours post-operatively No
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