Post-operative Pain Control After Pediatric Adenotonsillectomy

Study Results

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Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE4

Total Enrollment

45 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-11-30

Study Completion Date

2016-11-30

Brief Summary

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Adenotonsillectomy is one of the most common surgical procedures performed in the pediatric population in the United States. It is generally a well-tolerated procedure with post-operative bleeding risk ranging from 3-5% in children. Post-operative pain following adenotonsillectomy has significant morbidity and may result in prolonged hospital stay or re-admission to the hospital. Post-operative analgesia is most commonly managed with narcotic-containing pain medication. In recent years however, there is evidence that some patients may manifest increased sensitivity to narcotics, resulting in life-threatening respiratory compromise. Though there is a theoretical risk that nonsteroidal anti-inflammatory drugs (NSAIDs) increase bleeding time by disrupting platelet aggregation, evidence of detrimental effects (i.e. increased risk of postoperative bleeding) remains inconclusive for these generally well-tolerated medications. The goal of this study is to determine the incidence of post-operative bleeding and to determine the efficacy of NSAIDs in the management of post-operative pain following pediatric adenotonsillectomy, versus more commonly used narcotic pain medication. The study design will be an initial retrospective study to collect pilot data on the incidence of postoperative hemorrhage and indicators of adequate/inadequate pain control in children age 4 to 17 undergoing adenotonsillectomy. This will be followed by a prospective, randomized, single-blind controlled study in which orally-administered ibuprofen (test intervention) is compared to acetaminophen-hydrocodone (control intervention) in the postoperative period following adenotonsillectomy.

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Detailed Description

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Post-operative pain management in pediatric patients undergoing adenotonsillectomy is challenging not only for the child, but also for the clinician and caregiver. Uncontrolled pain carries a high level of morbidity and can result in prolonged hospital stay and/or readmission, dehydration, weight loss, and other undesirable effects. In light of recent high-profile controversies regarding the safety of codeine the search for effective and safe analgesia continues. The American Academy of Otolaryngology-Head and Neck Surgery (AAO-HNS) guidelines suggest that NSAIDs are safe to use in the post-operative period. Here, the investigators compare bleeding risk and pain control using acetominophen-hydrocodone (control) versus ibuprofen (intervention) in the post-operative period in pediatric patients undergoing adenotonsillectomy. The investigators hypothesize that ibuprofen will not be associated with increased bleeding risk and will control post-operative pain as well as acetominophen-hydrocodone.

Initial retrospective chart review (Data to be extracted from the patients' charts):

* Demographic data
* Surgical data
* Postoperative data
* Descriptive analysis to determine incidence of postoperative bleeding following adenotonsillectomy and its relation to demographic factors or surgical factors, incidence of postoperative pain problems and relation to demographic or surgical factors.

Prospective, randomized, single-blind trial:

* Study Group Allocation/Randomization: Study participants will be randomized into two post-operative pain medication treatment arms, using block randomization. Patients who are randomized into the test intervention arm will receive ibuprofen (10mg/kg/day every 6-8 hours) after surgery. Patients who are randomized into the control intervention will receive hydrocodone-acetaminophen (0.15mg/kg/day every 4-6 hours). This randomization will be performed by Ansley Roche MD, a co-investigator. The operating surgeons will be unaware of the group assignments at the time of randomization, at the time of surgery, and in the post-operative period. (The participant and caregiver will not be blinded to the type of post-operative pain medication they will receive.) Once a study participant has been randomized to group, the group assignment information will be provided to the otolaryngology resident at Egleston. The resident will write the appropriate prescription and provide this to the patient's family prior to discharge.
* Postoperative pain assessment: Using the Faces Pain Scale , the pediatric patient will indicate his/her pain level at scheduled intervals. Pain level will be recorded by the caregiver and pain medication will be administered appropriately based on level of patient's self-reported pain. A log of pain medication administered will be kept for each dose given. The total amount of pain medication administered per kg per day will be calculated by the study staff upon completion of the pain medication logs. Prior to surgery, a member of the study team will conduct a brief standard training session for parents to teach them how to correctly complete the medication log.
* Breakthrough pain: Patients who are randomized into the test intervention arm will receive ibuprofen (10mg/kg/day every 6-8 hours) after surgery. Patients who are randomized into the control intervention will receive hydrocodone-acetaminophen (0.15mg/kg/day every 4-6 hours). Both post-operative intervention groups in this study will have surgery for the same preoperative indications (adenotonsillitis or sleep disordered breathing). If patients experience pain that is not controlled with the specified intervention group medication, there will be a protocol in place for breakthrough pain, as indicated below. Surgeons will be blinded to the intervention arm. For patients who have pain that is not controlled by the randomized intervention, a breakthrough pain protocol will be enacted. The protocol is as follows:
* Test intervention arm

1. Give hydrocodone-acetaminophen (0.15mg/kg/day hydrocodone) for pain score ≥6 no more than ever 6 hours. If uncontrolled pain, see next bullet point.
2. Increase hydrocodone-acetaminophen dose to 0.2mg/kg/day hydrocodone per dose.
* Control intervention arm

1. Increase dose of hydrocodone-acetaminophen to 0.2 mg/kg/day hydrocodone For pain score ≥ 6. If uncontrolled pain, see next bullet point.
2. Ibuprofen 10mg/kg/day no more than every 6 hours. If uncontrolled pain, see next bullet point.
3. Acetaminophen 10mg/kg/day every 6 hours as needed.

Implementation of the breakthrough pain protocol will be documented. In order to maintain surgeon blinding throughout the study, patient phone calls will be routed to the chief resident on call who will follow the above breakthrough pain protocol.

A study staff member, excluding the surgeon, will contact parents/caretakers on post-operative day 3 and post-operative day 7 to assist with medication log completion and answer medical questions.

Conditions

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Recurrent Tonsillitis Obstructive Sleep Apnea Sleep Disordered Breathing Adverse Reaction to Drug

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Investigators

Study Groups

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Ibuprofen

After undergoing adenotonsillectomy, patients who are randomized into the test intervention arm will receive ibuprofen (10mg/kg/day every 6-8 hours) after surgery.

Group Type EXPERIMENTAL

Ibuprofen

Intervention Type DRUG

Ibuprofen 10mg/kg/day every 6-8 hours

Hydrocodone-acetaminophen (Control)

After undergoing adenotonsillectomy, patients who are randomized into the control intervention will receive hydrocodone-acetaminophen (0.15mg/kg/day every 4-6 hours).

Group Type ACTIVE_COMPARATOR

Hydrocodone-Acetaminophen

Intervention Type DRUG

Hydrocodone-Acetaminophen 0.15mg/kg/day every 4-6 hours

Interventions

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Ibuprofen

Ibuprofen 10mg/kg/day every 6-8 hours

Intervention Type DRUG

Hydrocodone-Acetaminophen

Hydrocodone-Acetaminophen 0.15mg/kg/day every 4-6 hours

Intervention Type DRUG

Other Intervention Names

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Advil Motrin Vicodin Lortab

Eligibility Criteria

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Inclusion Criteria

* ≥4 and ≤17 years old
* Meeting criteria for tonsillectomy based on AAO-HNS clinical guidelines: Adenotonsillectomy is indicated for patients with recurrent adenotonsillitis and sleep disordered breathing. Both groups in this study will have surgery for the same preoperative indications

Exclusion Criteria

* \<4 or \>17 years old
* Known bleeding diathesis (or family history of bleeding diathesis)
* Known allergy to any study medication
* participant/caregiver inability to understand or complete the required study documentation (pain scales, medication logs)

Minimum Eligible Age

4 Years

Maximum Eligible Age

17 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No