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A Difference-In-Differences Analysis of New Persistent Opioid Use After Surgery

15 marzo 2021 aggiornato da: Chad Brummett, University of Michigan

Using Difference-in-Differences to Evaluate the Effect of a Statewide Quality Improvement Program on New Persistent Opioid Use After Surgery

The Michigan Opioid Prescribing and Engagement Network (M-OPEN) was established in 2016 with the goal of reducing excessive opioid prescribing after surgery using evidence-based prescribing guidelines. Beginning in July 2016, M-OPEN began a statewide quality improvement campaign to educate providers and share prescribing best practices. This retrospective study examines the effect of these efforts on new persistent opioid use after surgery compared to other states where no such program existed using a difference-in-differences approach.

Panoramica dello studio

Stato

Completato

Condizioni

Descrizione dettagliata

In the United States, surgical care has become a gateway for chronic opioid dependence and its associated morbidity. Between 5-10% of patients who receive opioids for postoperative pain control go on to develop long-term opioid use. This translates to more than 2 million previously opioid-naïve individuals developing chronic opioid use after surgery each year. Persistent opioid use after surgery is associated with increased readmissions, healthcare utilization, and healthcare expenditures. Critically, long-term opioid use increases the risk of overdose and death in patients who, prior to their surgery, had no exposure to opioids.

Growing recognition of this problem has led to numerous efforts aimed at reducing opioid-associated morbidity after surgery. These include legislative limits on opioid prescribing for acute pain, procedure-specific prescribing guidelines based on patient-reported opioid use, and opioid-sparing pain management pathways. In Michigan specifically, the Michigan Opioid Prescribing and Engagement Network (M-OPEN) led a statewide quality improvement effort beginning in 2016 that focused on provider education using evidence-based opioid prescribing guidelines. Previously, these guidelines have been shown to significantly reduce excessive postoperative opioid prescribing across the state, however it is currently unknown whether these efforts have had any effect on the actual incidence of persistent opioid use after surgery.

Therefore, the current study will evaluate the incidence of new persistent opioid use before and after the establishment of M-OPEN in Michigan. Beginning in 2016, a statewide quality improvement initiative was undertaken in Michigan to improve postoperative opioid prescribing. In order to accomplish this goal, this study will use a difference-in-differences approach to compare new persistent opioid use in Michigan before and after 2016 to other states where no such quality improvement effort existed.

Tipo di studio

Osservativo

Iscrizione (Effettivo)

30000

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

    • Michigan
      • Ann Arbor, Michigan, Stati Uniti, 48109
        • University of Michigan

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

18 anni e precedenti (Adulto, Adulto più anziano)

Accetta volontari sani

Sessi ammissibili allo studio

Tutto

Metodo di campionamento

Campione non probabilistico

Popolazione di studio

Data for this study will be obtained from the Truven Health MarketScan database, which is a national data set of employer-based insurance claims. Patients in the database who underwent one of the eligible procedures will be identified using Current Procedural Terminology codes that correspond to the specific operations under analysis.

Descrizione

Inclusion Criteria:

  • Adult patients (18 years and older)
  • Patients undergoing one of the following procedures: laparoscopic cholecystectomy, laparoscopic appendectomy, minor hernia repair (including laparoscopic or open inguinal, femoral, umbilical, and epigastric hernia repair), open and laparoscopic ventral/incisional hernia repair, laparoscopic colectomy, open colectomy, vaginal hysterectomy, laparoscopic hysterectomy, and open abdominal hysterectomy
  • Patients who underwent surgery between January 1, 2013 and December 31, 2019

Exclusion Criteria:

  • Patients who are not opioid-naive at the time of surgery, defined as filling 1 or more opioid prescriptions between the 12 months to 31 days prior to surgery
  • Patients without continuous insurance enrollment for at least 12 months before and at least 6 months after the date of surgery
  • Patients still in the hospital on postoperative day 30
  • Patients not discharged home after surgery
  • Patients who underwent another surgery within 6 months of their index operation

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

Coorti e interventi

Gruppo / Coorte
Intervento / Trattamento
Patients undergoing surgery
Retrospective cohort of patients who underwent surgery between 1/1/13 to 12/31/19 and were sampled from the Truven Health MarketScan Database.
Retrospective analysis of opioid use after one of the following surgical procedure categories: laparoscopic cholecystectomy, laparoscopic appendectomy, minor hernia repair (including laparoscopic or open inguinal, femoral, umbilical, and epigastric hernia repair), open and laparoscopic ventral/incisional hernia repair, laparoscopic colectomy, open colectomy, vaginal hysterectomy, laparoscopic hysterectomy, and open abdominal hysterectomy.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
The change in the incidence of new persistent opioid use before and after July 2016 in Michigan compared to all other states.
Lasso di tempo: Postoperative days 4 to 180
Among patients who undergo surgery, new persistent opioid use is defined as filling an opioid prescription in post-discharge days 4-90 and filling another opioid prescription in post-discharge days 91-180. This incidence will be measured from 1/1/13-6/30/16 (before M-OPEN established) and from 7/1/16-12/31/19 (after M-OPEN established) and the change before and after this date will be compared between Michigan and all other states (the difference-in-differences). Outcomes will be measured at 1 year, 2 years, and 3 years post-intervention.
Postoperative days 4 to 180

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
The change in the incidence of new persistent opioid use before and after July 2016 in Michigan compared to Indiana and Wisconsin
Lasso di tempo: Postoperative days 4 to 180
Among patients who undergo surgery, new persistent opioid use is defined as filling an opioid prescription in post-discharge days 4-90 and filling another opioid prescription in post-discharge days 91-180. This incidence will be measured from 1/1/13-6/30/16 (before M-OPEN established) and from 7/1/16-12/31/19 (after M-OPEN established) and the change before and after this date will be compared between Michigan and Indiana/Wisconsin (the difference-in-differences). Outcomes will be measured at 1 year, 2 years, and 3 years post-intervention.
Postoperative days 4 to 180
The change in the incidence of new persistent opioid use before and after July 2016 in Michigan compared to 11 other Midwest states (Illinois, Indiana, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, and Wisconsin).
Lasso di tempo: Postoperative days 4 to 180
Among patients who undergo surgery, new persistent opioid use is defined as filling an opioid prescription in post-discharge days 4-90 and filling another opioid prescription in post-discharge days 91-180. This incidence will be measured from 1/1/13-6/30/16 (before M-OPEN established) and from 7/1/16-12/31/19 (after M-OPEN established) and the change before and after this date will be compared between Michigan and 11 other Midwest states. Outcomes will be measured at 1 year, 2 years, and 3 years post-intervention.
Postoperative days 4 to 180

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Investigatori

  • Investigatore principale: Chad Brummett, MD, University of Michigan

Pubblicazioni e link utili

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Pubblicazioni generali

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

1 gennaio 2013

Completamento primario (Effettivo)

31 dicembre 2019

Completamento dello studio (Effettivo)

31 dicembre 2019

Date di iscrizione allo studio

Primo inviato

15 marzo 2021

Primo inviato che soddisfa i criteri di controllo qualità

15 marzo 2021

Primo Inserito (Effettivo)

18 marzo 2021

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

18 marzo 2021

Ultimo aggiornamento inviato che soddisfa i criteri QC

15 marzo 2021

Ultimo verificato

1 ottobre 2020

Maggiori informazioni

Termini relativi a questo studio

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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