Study Results
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Basic Information
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COMPLETED
444 participants
OBSERVATIONAL
2019-07-30
2024-01-31
Brief Summary
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The challenge for patients, providers, and other stakeholders is to understand the relative advantage of the two MAT models (receiving MAT as part of maternity care or at a specialty program) for improving key outcomes for baby \& mother. A second challenge is to understand the relative contributions of onsite services such as mental health care, care coordination, \& parenting education to improved outcomes. This question is important to patients \& families who may have a choice of where they receive their maternity care. It is even more important in rural areas, such as northern New England, where obstetric practices \& specialty care services are limited. Patients, providers \& other stakeholders need guidance in choosing the optimal models for building new programs to provide maternity care for women with OUD.
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Detailed Description
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Medication assisted treatment (MAT) with either methadone or buprenorphine is the recommended standard of care during pregnancy. Professionals, including the American College of Obstetricians and Gynecologists (ACOG), the American Academy of Pediatrics, the Society for Maternal-Fetal Medicine, and the American Society for Addiction Medicine, have called to adopt care models that promote early identification and treatment for pregnant women with OUD. Referral to specialty programs for MAT has been the accepted standard of care, with demonstrated safety for women and their infants. However, in response to the escalating opioid crisis, the ACOG began offering buprenorphine training programs to its members. Consequently, a number of maternity care practices throughout Northern New England now provide integrated MAT services. But even where such integrated programs exist, questions persist on the optimal care model for providing MAT to pregnant women with OUD.
There are patient- and provider- factors associated with variability in effectiveness of what MAT model works best for whom. For women, advantages of buprenorphine over methadone include a lower risk of overdose, fewer drug interactions, the accessibility of office-based treatment delivery in the context of maternity care and demonstrated shorter NAS course. The disadvantages of buprenorphine relative to methadone include potential hepatic dysfunction, lack of long-term data on consequences of fetal exposure for infants, potential limited efficacy in patients with high addiction severity, requirement of moderate withdrawal symptoms prior to initiation to avoid iatrogenic withdrawal, and an increased risk of diversion (i.e., sharing or sale). Despite buprenorphine's demonstrated neonatal advantages, it is not effective for all women. The structure of methadone treatment (daily meeting) may also better align with support needs for some women. For providers, the choice of what medication-assisted approach to offer to patients is often restricted by availability and access to specialty care services.
There is limited literature comparing the effectiveness of integrated versus referral MAT care models for postpartum retention in treatment and women's experiences in these two models. In particular, women with high levels of addiction severity or co-occurring mental health conditions may have prenatal care needs from women with less complex behavioral health concerns. Studies have also not assessed the impact of maternal opioid addiction severity on newborn outcomes and maternal long-term recovery. The best neonatal outcomes will be achieved by providing the most appropriate and effective treatment for mothers.
The challenge for patients, providers, and other stakeholders is determining the optimal approach for delivering MAT during pregnancy and after delivery to improve outcomes. Currently, regional obstetrical practices provide either: (1) Integrated care, in which MAT and associated psychosocial services are delivered on site with obstetrical care, and (2) Referral-based care, in which women receive MAT and obstetrical care in separate, specialized locations. Both models have different potential advantages and disadvantages for mothers with OUD and their babies regarding access, availability, acceptability and quality of MAT, obstetrics and other needed services, and long term follow up and treatment after delivery. While pregnancy motivates women to initiate MAT, relapse to use of opioids and cessation of MAT frequently occur during the first postpartum year, placing both mother and infant at significant risk. Payers and policymakers are also seeking answers about where to invest healthcare resources to increase access to treatment for pregnant women, especially in the current opioid crisis. A disproportionate number of women with OUD are insured through the Medicaid system; Medicaid policy affects women's access to a wide range of services, from reimbursement for same-day services or care coordination, to whether a woman continues to be eligible for benefits after delivery.
Study Aims: This study aims to answer these important patient, provider, and policy questions by comparing the real-world effectiveness of two models of MAT delivery currently in clinical use in Maine, New Hampshire, and Vermont with respect to patient experience of care and perinatal, neonatal, and longer-term substance use treatment outcomes.
Two main Comparative Effectiveness Research (CER) Patient-Centered Outcomes Research Institute (PCORI) priority questions will be addressed:
1. Do clinical and patient-reported outcomes for pregnant and parenting women differ between integrated and referral-based MAT practice models?
2. Within models, which psychosocial services are most associated with MAT continuation, and for which groups of patients?
To answer these questions, the following specific aims will be addressed:
Aim 1 (Clinical Outcomes). To use clinical record data to evaluate the comparative effectiveness of Integrated and Referral-Based MAT care models on maternal and neonatal outcomes.
Aim 2 (Patient-reported Outcomes). To use patient reported data to evaluate the comparative effectiveness of Integrated and Referral -Based care models on patient-centered outcomes.
Aim 3 (Heterogeneity of Effects). To examine differences in treatment retention within condition by subgroups of patients based on (1) psychiatric comorbidity, (2) type of medication used for MAT and (3) addiction severity.
Aim 4 (Specification of Services). To determine which services (psychosocial services, care coordination, parenting education) are associated with better maternal and neonatal outcomes.
Aim 5 (Provider). To explore how provider attitudes about MAT and care of patients with OUD vary by care model and are associated with maternal outcomes.
Study Description: This study will collaboratively engage 21 practices providing maternity care across Northern New England, with examples of both integrated care and referral-based models. The study population is pregnant women who receive prenatal care from any of these practices and who meet Diagnostic and Statistical Manual of Mental Disorders (DSM-5) diagnostic criteria for an opioid use disorder. A cluster-based, prospective observational mixed-methods design will be used to compare outcomes for pregnant women with opioid use disorder receiving prenatal care in obstetric practices that offer MAT through one of two delivery models: Integrated or Referral-based. Clinical records data (n=2000) from pregnant women with OUD receiving prenatal care at a partner practice will be used to examine Aim 1. Aim 2 will be addressed with a patient-report subsample cohort (n=532) recruited in the 3rd trimester of care and followed to 6 months postpartum. Aim 3 will use both kinds of data to explore heterogeneity of treatment effects. For Aim 4, practice-level data will be collected yearly to evaluate services provided across Integrated and Referral-based practices. In Aim 5, survey and qualitative interviews with providers will lend perspective on facilitators and barriers to MAT in both Integrated and Referral-based practice settings. The analytic strategy will account for clustering and patient baseline differences to compare outcomes across assessment points. Whether the effect of treatment type differs according to psychiatric status, type of MAT patients access, or addiction severity will also be tested. Analysis of qualitative data will inform our interpretation of quantitative results and enhance our understanding of patient experience, as well as barriers and facilitators to receiving care within these care models. Patient representatives, practice-partners, state and regional stakeholders, and scientific advisors will actively guide all stages of this study and dissemination of results to relevant partner networks.
Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Integrated Care
This is an observational study and no intervention will be administered. The Integrated Cohort consists of pregnant women with identified opioid use disorder who are receiving prenatal care in a maternity setting that provides medication assisted treatment for opioid use.
Observational Study
No intervention will be administered.
Referral-Based Care
This is an observational study and no intervention will be administered. The Referral-Based Cohort consists of pregnant women with identified opioid use disorder who are receiving prenatal care in a maternity setting and are referred to substance use treatment at a specialty care setting.
Observational Study
No intervention will be administered.
Interventions
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Observational Study
No intervention will be administered.
Eligibility Criteria
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Inclusion Criteria
* Identified opioid use disorder,
* Receiving prenatal care for current pregnancy at partner practice,
* Clinic-recorded diagnosis of opioid use disorder,
* Willing and able to provide informed consent.
Exclusion Criteria
16 Years
50 Years
FEMALE
No
Sponsors
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Patient-Centered Outcomes Research Institute
OTHER
Trustees of Dartmouth College
OTHER
Responsible Party
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Sarah E. Lord
Associate Professor of Psychiatry, Biomedical Data Science and Pediatrics; Director, Dissemination and Implementation Core, Center for Technology and Behavioral Health
Principal Investigators
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Sarah E Lord, PhD
Role: PRINCIPAL_INVESTIGATOR
Dartmouth College
Daisy Goodman, DNP, MPH
Role: PRINCIPAL_INVESTIGATOR
Dartmouth-Hitchcock Medical Center
Locations
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Maine General Hospital
Augusta, Maine, United States
Eastern Maine Medical Center/Northern Light
Bangor, Maine, United States
Dartmouth Hitchcock Keene/Cheshire Medical Center OB-GYN
Keene, New Hampshire, United States
Dartmouth-Hitchcock Medical Center-OB/GYN
Lebanon, New Hampshire, United States
Dartmouth Hitchcock Addiction Treatment, Moms in Recovery
Lebanon, New Hampshire, United States
Dartmouth Hitchcock Bedford/Manchester
Manchester, New Hampshire, United States
Dartmouth Hitchcock Nashua OB-GYN
Nashua, New Hampshire, United States
Southwestern Vermont Medical Center OB-GYN
Bennington, Vermont, United States
Central Vermont Medical Center
Berlin Corners, Vermont, United States
Brattleboro Memorial Hospital OB-GYN
Brattleboro, Vermont, United States
Countries
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References
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Related Links
Access external resources that provide additional context or updates about the study.
Maine Department of Health and Human Services (DHHS): DHHS to announce the expansion of Medication Assisted Treatment services statewide
American College of Obstetricians and Gynecologists. Medical Education: Responding to a national crisis: Opioid Trainings and Clinical Guidance
Norris L. Maine and Affordable Care Act's (ACA) Medicaid Expansion. 2017
The Henry J. Kaiser Family Foundation. Delivery System Reform Incentive Payment Program (DSRIP) Waivers in Place. 2017
Substance Use and Mental Health Services Administration. Behavioral Health Barometer: United States, 2015. Rockville, Maryland: Substance Abuse and Mental Health Services Administration, 2015
Vandonsel A, Livingston, S., Searle, J. Opioids in Vermont: Prevalence, use, and impact. Vermont Department of Health, 2016
Maternal Mortality Review Team. Richmond, Virginia: Virginia Department of Health;2015
American College of Obstetrics and Gynecologists. Statement on Opioid Use During Pregnancy. May 26, 2016
Substance Use and Mental Health Services Administration. A collaborative approach to the treatment of women with opioid use disorders. Rockville, Maryland: Substance Abuse and Mental Health Services Administration; 2016
World Health Organization Guidelines Review Committee. Guidelines for the identification and management of substance use and substance use disorders in pregnancy. World Health Organization 2014
The American College of Obstetricians and Gynecologists Statement on Opioid Use During Pregnancy. May 26, 2016
Stone R. Pregnant women and substance use: fear, stigma, and barriers to care. Health Justice. 2015;3(1)
Velentgas P, Dreyer NA, Nourjah P, Smith SR, Torchia MM, eds. Developing a Protocol for Observational Comparative Effectiveness Research. Washington, DC: United States Department of Health and Human Services; 2013. AHRQ, ed.
SAS Institute Inc. SAS/STAT User's Guide, version 9.4. Cary, NC: SAS Institute Inc.; 2015
Patient Centered Outcomes Research Institute Methodology Committee. PCORI Methodology Standards. Washington, DC, 2017
Other Identifiers
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00031444
Identifier Type: -
Identifier Source: org_study_id
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