Effect of Over-the-counter Analgesics on Postoperative Pain

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

200 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-12-22

Study Completion Date

2023-06-30

Brief Summary

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In 2011, a randomized controlled trial compared acetaminophen, acetaminophen + ibuprofen, and acetaminophen + codeine for post-operative pain relief after Mohs surgery. In this study, the combination of acetaminophen + ibuprofen was shown to be superior to the other treatment groups at controlling postoperative pain. The study also detailed the timing at which patients experienced pain after cutaneous reconstruction, with peak pain scores occurring at 4 hours post-op for all three groups. Since its publication, the as needed dosage of acetaminophen alternated with ibuprofen has become the standard of care for most patients undergoing cutaneous reconstructive surgery. Additionally, studies from multiple disciplines including cutaneous surgery, emergency medicine, otolaryngology and obstetrics have found that use of non-steroidal anti-inflammatories pose no greater incidence of side effects.

Given that peak pain levels occur approximately four hours after cutaneous reconstruction, likely due to the cessation of lidocaine or other local numbing medications, patients may benefit from additional pain relief during this critical time period. However, it is standard practice to start acetaminophen and ibuprofen only as needed when pain begins. Further, given the short half-life of ibuprofen (2 hours), it is unlikely that this medication taken in the immediate postoperative period would be of benefit at the four hour time mark. Therefore, we theorize that the one-time dosage of a long-acting non-steroidal anti-inflammatory taken upon completion of cutaneous surgery may be superior to the as needed dosing of acetaminophen and ibuprofen.

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Detailed Description

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Upon completion of informed consent, enrolled participants will be randomized to one of two treatment groups.

Group 1 (intervention group): will receive a one-time, mandatory dose of Naproxen sodium 440 mg immediately following completion of cutaneous reconstruction. For a period of 24 hours after surgery, patients will then be instructed to use acetaminophen as needed per manufacturer instructions not to exceed 4 g in a 24 hour period. Patients will not be permitted to use additional nonsteroidal analgesics during the 24 hour period. Patients will be asked to record pain scales in a pain diary at time points 0, 2, 4, 6, 8, 10 and 24 hours after surgery as well as the amount and timing of breakthrough pain medication (acetaminophen). Patients will be contacted the day following their procedure by the Principal Investigator and their responses will be recorded. Upon recording of the patient's pain diary, their enrollment in the study is complete.

Group 2 (control group): will not receive any mandatory dose of postoperative analgesic. As is considered standard of care, these patients will be instructed to alternate use of ibuprofen and acetaminophen on an as needed basis per manufacturer instructions. The dose of acetaminophen is not to exceed 4 g in a 24 hour period. The dose of ibuprofen is not to exceed 1200 mg in a 24 hour period. Patients will be asked to record pain scales in a pain diary at time points 0, 2, 4, 6, 8, 10 and 24 hours after surgery as well as the amount and timing of breakthrough pain medication (acetaminophen or ibuprofen). Patients will be contacted the day following their procedure by the Principal Investigator and their responses will be recorded. Upon recording of the patient's pain diary, their enrollment in the study is complete.

Conditions

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Pain Management

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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Naproxen

These patients receive a one-time dose of naproxen at surgery completion. They are instructed to take acetaminophen as needed for additional pain

Group Type EXPERIMENTAL

Naproxen

Intervention Type DRUG

Naproxen given immediately post-operatively following Mohs surgery reconstruction

Acetaminophen (Standard of Care)

Intervention Type DRUG

Acetaminophen alternated with ibuprofen on an as needed, patient directed basis

Control

These patients received 'standard of care' use of ibuprofen in combination with acetaminophen in a patient directed manner for pain control

Group Type ACTIVE_COMPARATOR

Acetaminophen (Standard of Care)

Intervention Type DRUG

Acetaminophen alternated with ibuprofen on an as needed, patient directed basis

ibuprofen

Intervention Type DRUG

Ibuprofen alternated with acetaminophen in a patient directed manner for as needed pain control

Interventions

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Naproxen

Naproxen given immediately post-operatively following Mohs surgery reconstruction

Intervention Type DRUG

Acetaminophen (Standard of Care)

Acetaminophen alternated with ibuprofen on an as needed, patient directed basis

Intervention Type DRUG

ibuprofen

Ibuprofen alternated with acetaminophen in a patient directed manner for as needed pain control

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Patients undergoing Mohs micrographic surgery with same-day reconstruction on the head/neck

Exclusion Criteria

* Second intention wound healing Operative site not on head and neck Self-described allergies to acetaminophen or any non-steroidal anti-inflammatory medication Pre-existing pain condition requiring analgesics History of bleeding or clotting disorder Recent history of upper gastrointestinal bleeding or ulcers Advanced liver disease or renal impairment Pregnancy Current use of anticoagulant (examples: aspirin, clopidogrel, warfarin, apixaban)

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes