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CompletedNCT02782884GSopioidsUpdated Jul 30, 2018

A Prospective Study of Post-operative Opioid Use in General Surgery Patients

An observational study in Pain, sponsored by Dartmouth-Hitchcock Medical Center. Completed. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2018-07-30.

Sponsored by Dartmouth-Hitchcock Medical Center · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
50
Ages
18 Years and older
Sex
All
01

Study summary

Patients undergoing approximately 10 common outpatient general surgical operations will be given a narcotic prescription for a specified number of pills.

Inpatients who are about to be discharged after surgery or trauma will be given narcotic prescriptions for a specified number of pills. Patients will be given a patient report form which they will use to record the number of pills they take each day and their daily pain score on a scale of 0-10.

02

Conditions studied

  • Pain

Keywords

  • post-operative pain
03

In context

Pain

2,450 studies on the registry are indexed under Pain; 945 are open to participants now.

This study's enrollment of 50 is below the median of 100 across 301 observational studies indexed under Pain.

Browse Pain studies →

Lead sponsor

Dartmouth-Hitchcock Medical Center is the lead sponsor of 486 studies on the registry; 69 are open to participants now.

Of its 31 completed or terminated interventional studies of FDA-regulated products, 21 (68%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

>= 18 years of age undergoing one of 9 elective outpatient operations: partial mastectomy, partial mastectomy and sentinel node biopsy, melanoma wide excision and sentinel node excision, thyroidectomy, parathyroidectomy, open inguinal hernia repair, laparoscopic inguinal hernia repair, laparoscopic cholecystectomy OR an inpatient on the general surgery service who took at least one oral narcotic in the 24 hrs prior to discharge

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • >= 18 years of age
  • undergoing one of 9 elective outpatient operations: partial mastectomy, partial mastectomy and sentinel node biopsy, melanoma wide excision and sentinel node excision, thyroidectomy, parathyroidectomy, open inguinal hernia repair, laparoscopic inguinal hernia repair, laparoscopic cholecystectomy OR
  • an inpatient on the general surgery service who took at least one oral narcotic

Exclusion criteria

Exclusion Criteria:

  • allergic to all narcotics
  • chronic opioid use
  • history of opioid or benzodiazepine abuse
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
50 participants (actual)
Patient registry
No

Groups and cohorts

  • Outpatient general surgery operation

    Patients undergoing outpatient general surgical operations They will be given a specified number of narcotic pills based on our retrospective analysis of patient post-operative opioid use

  • Inpatient general surgical patients

    Inpatients who are being discharged They will be given a specified number of narcotic pills based on the number of pills they took in the 24 hrs prior to discharge

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What researchers measure

Primary outcomes

  1. number of pills to satisfy 80% of patients opioid needs

    Time frame: 1 yr

Secondary outcomes

  1. proportion of patients requiring narcotic refills when specified number of pills is given

    Time frame: 1 year

  2. patient pain level, daily

    Time frame: 1 year

07

Study locations

No study locations are listed for this record.

08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jul 30, 2018, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT02782884
Responsible party
Richard J. Barth,Jr. (Staff Physician, General Surgery, Dartmouth-Hitchcock Medical Center) — Principal investigator
First posted
May 25, 2016
Start date
Jun 14, 2016
Primary completion
Aug 4, 2017
Completion
Aug 16, 2017
Last update
Jul 30, 2018

Study contacts

Richard J Barth, MD
principal investigator · Dartmouth-Hitchcock Medical Center

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Jul 2018. You cannot join it, but the record below documents what was studied.

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