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Ambulatory Gynecologic Surgery: Finding the Optimal Opioid Prescription

Ambulatory Gynecologic Surgery: Finding the Optimal Postoperative Opioid Prescription

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03588910
Enrollment
120
Registered
2018-07-17
Start date
2018-08-08
Completion date
2019-08-04
Last updated
2021-08-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Surgery

Keywords

ambulatory, narcotics, opioids, postoperative, gynecology, laparoscopy, pain, surgery

Brief summary

Currently there is a nationwide epidemic in opioid abuse and overdose deaths. While the opioid epidemic is multi-factorial one major source of excess opioids may be over-prescribing in the post-operative period. There is wide variation in the prescribing practices for post-operative pain control and there is no standard of care for pain control after minor laparoscopic surgery in general or after gynecologic laparoscopy. There is also evidence to show that on average half of the opioids prescribed are unused by the patient. The aim of the study is to evaluate two opioid prescription regimens.

Detailed description

This will be a randomized controlled study enrolling participants scheduled for outpatient minor laparoscopic gynecologic surgery. This is a two arm study consisting of 60 subjects in each arm. The participants will be randomized at the time of enrollment. We will use computer generated blocks of four participants. Both arms of participants will receive the same non-narcotic pain medication prescriptions which will include fifty tablets of acetaminophen 500mg (1-2 tablets every 6 hours as needed) and twenty-five tablets ibuprofen 600mg (1 tablet every 6 hours as needed). The arms will only differ in the number of tablets of oxycodone prescribed. In one arm (experimental) subjects will receive five tablets of oxycodone 5mg (1 tablet every 6 hours as needed) and the other arm (comparator) ten tablets of oxycodone 5mg (1 tablet every 6 hours as needed). Both prescription regimens are within the range of normal clinical practice for post-operative pain control. The participants will receive a telephone call by administrative staff, who is not directly involved in the participants care or data collection for the study subjects, on postoperative day 1 and 7. The participants will all be scheduled for a 2- week post-operative follow up with the surgeon in the office. The primary outcome to be assessed will be number of opioids used by the participants at 24 hours and 7 days post-operative. The primary hypothesis is that participants prescribed only 5 tabs of oxycodone will not require more medication. The secondary hypothesis is that the pain scores between the two groups will not be different. The other variables being studied include the following: having had a post-operative bowel movement, presence of nausea, number of ibuprofen, acetaminophen tablets remaining, calls to the office prior to the follow up visit for pain issues, and urgent or emergency department visits for pain issues. These assessments will be asked during the brief telephone calls and also at the postoperative visit. All participants will be given the clinic phone number and advised to call with any questions or clinical concerns. The participants will be advised if possible to return to a Montefiore Emergency Department or gynecologic provider in case of an urgent issue prior to the 2 week postoperative visit, as opposed to an outside facility.

Interventions

DRUGOxycodone

The number of tablets of oxycodone prescribed is the only difference between the two arms.

DRUGAcetaminophen

50 tablets of acetaminophen 500mg (1-2 tablets every 6 hours as needed)

DRUGIbuprofen 600 mg

25 tablets ibuprofen 600mg (1tablet every 6 hours as needed)

Sponsors

Montefiore Medical Center
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)

Masking description

The treating provider and the patient know their prescription. The outcomes assessor will be blinded when administering the postoperative surveys.

Intervention model description

Patients are randomized to receive one of two prescription regimens.

Eligibility

Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Must be over 18 years of age * Scheduled for outpatient gynecologic laparoscopy

Exclusion criteria

* Significant renal or liver disease is present that would alter prescribing patterns * Chronic opioid use or abuse * Allergy to acetaminophen, ibuprofen, other nsaids or narcotic medications * Conversion of surgery to exploratory laparotomy

Design outcomes

Primary

MeasureTime frameDescription
Number of Oxycodone Tablets Used Day 124 hours post-operativeDuring the survey phone call on day 1, participants will be asked to report the total number of oxycodone tablets use since the surgery.
Number of Oxycodone Tablets Used as Reported by Participants 1 Week After Surgery7 days post-operativeDuring the survey phone call on day 7, participants will be asked to report the total number of oxycodone tablets used since the surgery.

Secondary

MeasureTime frameDescription
Self Reported Pain Score on Post Operative Day 1 (Numeric Pain Reporting Score: NRS)1 day post operativeParticipants will be surveyed during the phone call survey to rate pain score on a scale from 0 (no pain), to 10 (severe pain)
Self Reported Pain Score on Post Operative Day 7 (Numeric Pain Reporting Score: NRS)7 days post operativeParticipants will be surveyed during the phone call survey to rate pain score on a scale from 0 (no pain), to 10 (severe pain)
Additional Contacts With Provider1 week post operativeBy chart review, unscheduled interactions with the healthcare system related to pain will be counted.These will include phone calls related to pain, unscheduled visits to the office or emergency department

Countries

United States

Participant flow

Participants by arm

ArmCount
Number of Oxycodone Tablets Typically Prescribed
Participants will receive a prescription for 10 tablets of 5 mg oxycodone (1 tablet every 6 hours as needed) as well as 50 tablets of acetaminophen 500mg (1-2 tablets every 6 hours as needed) and 25 tablets ibuprofen 600mg (1tablet every 6 hours as needed). Acetaminophen: 50 tablets of acetaminophen 500mg (1-2 tablets every 6 hours as needed) Ibuprofen 600 mg: 25 tablets ibuprofen 600mg (1tablet every 6 hours as needed) Oxycodone: The number of tablets of oxycodone prescribed is the only difference between the two arms.
57
Half the Number of Oxycodone Tablets Typically Prescribed
Participants will receive 5 tablets of 5mg oxycodone as well as 50 tablets of acetaminophen 500mg (1-2 tablets every 6 hours as needed) and 25 tablets ibuprofen 600mg (1tablet every 6 hours as needed). Acetaminophen: 50 tablets of acetaminophen 500mg (1-2 tablets every 6 hours as needed) Ibuprofen 600 mg: 25 tablets ibuprofen 600mg (1tablet every 6 hours as needed) Oxycodone: The number of tablets of oxycodone prescribed is the only difference between the two arms.
57
Total114

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAllergy20
Overall StudyDid not complete Day 1 Survey510
Overall StudyDid not complete Day 7 Survey52
Overall StudyProtocol Violation03
Overall StudyWithdrawal by Subject10

Baseline characteristics

CharacteristicTotalNumber of Oxycodone Tablets Typically PrescribedHalf the Number of Oxycodone Tablets Typically Prescribed
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
0 Participants0 Participants0 Participants
Age, Categorical
Between 18 and 65 years
114 Participants57 Participants57 Participants
Age, Continuous36.2 years
STANDARD_DEVIATION 7.8
35.4 years
STANDARD_DEVIATION 8
37.0 years
STANDARD_DEVIATION 7.7
Race/Ethnicity, Customized
Hispanic
71 participants32 participants39 participants
Race/Ethnicity, Customized
Non-Hispanic Black
21 participants12 participants9 participants
Race/Ethnicity, Customized
Unknown
16 participants8 participants8 participants
Race/Ethnicity, Customized
White
6 participants5 participants1 participants
Sex: Female, Male
Female
114 Participants57 Participants57 Participants
Sex: Female, Male
Male
0 Participants0 Participants0 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 570 / 57
other
Total, other adverse events
0 / 570 / 57
serious
Total, serious adverse events
0 / 570 / 57

Outcome results

Primary

Number of Oxycodone Tablets Used as Reported by Participants 1 Week After Surgery

During the survey phone call on day 7, participants will be asked to report the total number of oxycodone tablets used since the surgery.

Time frame: 7 days post-operative

Population: Participants who answered survey on Day 7. Not all participants answered each question on follow up surveys.

ArmMeasureValue (MEDIAN)
Number of Oxycodone Tablets Typically PrescribedNumber of Oxycodone Tablets Used as Reported by Participants 1 Week After Surgery2.5 Oxycodone Tablets
Half the Number of Oxycodone Tablets Typically PrescribedNumber of Oxycodone Tablets Used as Reported by Participants 1 Week After Surgery2.0 Oxycodone Tablets
p-value: 0.36Wilcoxon (Mann-Whitney)
Primary

Number of Oxycodone Tablets Used Day 1

During the survey phone call on day 1, participants will be asked to report the total number of oxycodone tablets use since the surgery.

Time frame: 24 hours post-operative

Population: Participants answering Day 1 Survey

ArmMeasureValue (MEDIAN)
Number of Oxycodone Tablets Typically PrescribedNumber of Oxycodone Tablets Used Day 11.0 Oxycodone Tablets
Half the Number of Oxycodone Tablets Typically PrescribedNumber of Oxycodone Tablets Used Day 11.0 Oxycodone Tablets
p-value: 0.87Wilcoxon (Mann-Whitney)
Secondary

Additional Contacts With Provider

By chart review, unscheduled interactions with the healthcare system related to pain will be counted.These will include phone calls related to pain, unscheduled visits to the office or emergency department

Time frame: 1 week post operative

ArmMeasureValue (NUMBER)
Number of Oxycodone Tablets Typically PrescribedAdditional Contacts With Provider1 Unscheduled patient contacts
Half the Number of Oxycodone Tablets Typically PrescribedAdditional Contacts With Provider4 Unscheduled patient contacts
p-value: 0.36Chi-squared
Secondary

Self Reported Pain Score on Post Operative Day 1 (Numeric Pain Reporting Score: NRS)

Participants will be surveyed during the phone call survey to rate pain score on a scale from 0 (no pain), to 10 (severe pain)

Time frame: 1 day post operative

Population: Participants completing Day 1 Survey

ArmMeasureValue (MEDIAN)
Number of Oxycodone Tablets Typically PrescribedSelf Reported Pain Score on Post Operative Day 1 (Numeric Pain Reporting Score: NRS)5.0 Score on Numeric Pain Scale
Half the Number of Oxycodone Tablets Typically PrescribedSelf Reported Pain Score on Post Operative Day 1 (Numeric Pain Reporting Score: NRS)5 Score on Numeric Pain Scale
p-value: 0.91Wilcoxon (Mann-Whitney)
Secondary

Self Reported Pain Score on Post Operative Day 7 (Numeric Pain Reporting Score: NRS)

Participants will be surveyed during the phone call survey to rate pain score on a scale from 0 (no pain), to 10 (severe pain)

Time frame: 7 days post operative

Population: Participants completing Day 7 Survey

ArmMeasureValue (MEDIAN)
Number of Oxycodone Tablets Typically PrescribedSelf Reported Pain Score on Post Operative Day 7 (Numeric Pain Reporting Score: NRS)2.0 Score on Numeric Pain Scale
Half the Number of Oxycodone Tablets Typically PrescribedSelf Reported Pain Score on Post Operative Day 7 (Numeric Pain Reporting Score: NRS)1.3 Score on Numeric Pain Scale
p-value: 0.29Wilcoxon (Mann-Whitney)

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026