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Extended-release naltrexone for alcohol dependence: persistence and healthcare costs and utilization.

ABSTRACT: Evaluate persistence with treatment, healthcare costs, and utilization in stably enrolled Aetna Behavioral Health members receiving extended-release naltrexone (XR-NTX) for alcohol use dependence compared with oral medications and psychosocial therapy only.Historical cohort study.Aetna beneficiaries with stable enrollment (at least 6 months before and after index treatment) who initiated pharmacotherapy with XR-NTX (n = 211), disulfiram (n = 1043), oral naltrexone (n = 1408), acamprosate (n = 2479), or psychosocial therapy only (n = 6374) for alcohol use disorders between January 1, 2007, and December 31, 2008, were extracted and deidentified from Aetna's nationwide claims and utilization database. Survival analysis compared persistence with XR-NTX versus oral pharmacotherapies. Difference-in-differences analysis compared healthcare costs and utilization among patients receiving XR-NTX versus oral pharmacotherapies and psychosocial therapy only. Multivariate analyses controlled for demographics.Patients taking acamprosate and disulfiram were more likely to discontinue treatment than patients taking naltrexone, and patients given oral naltrexone were more likely to discontinue treatment than those given XR-NTX. Outpatient behavioral health treatment visits increased in all study groups. Nonpharmacy healthcare costs and utilization of inpatient and emergency services decreased in the XR-NTX group relative to other study groups.Patients receiving XR-NTX persisted with treatment longer than patients receiving oral alcohol use-disorder medications or psychosocial therapy only, and had decreased inpatient and emergency healthcare costs and utilization compared with those receiving other medications.

SUBMITTER: Bryson WC

PROVIDER: S-EPMC3556906 | biostudies-literature | 2011 Jun

REPOSITORIES: biostudies-literature

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Extended-release naltrexone for alcohol dependence: persistence and healthcare costs and utilization.

Bryson William C WC McConnell John J Korthuis P Todd PT McCarty Dennis D

The American journal of managed care 20110601

<h4>Objective</h4>Evaluate persistence with treatment, healthcare costs, and utilization in stably enrolled Aetna Behavioral Health members receiving extended-release naltrexone (XR-NTX) for alcohol use dependence compared with oral medications and psychosocial therapy only.<h4>Study design</h4>Historical cohort study.<h4>Methods</h4>Aetna beneficiaries with stable enrollment (at least 6 months before and after index treatment) who initiated pharmacotherapy with XR-NTX (n = 211), disulfiram (n = ...[more]

PMID: 21761949

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Project description:BACKGROUND AND AIMS:Methamphetamine use is increasingly prevalent and associated with HIV transmission. Early-phase human studies suggested naltrexone reduced amphetamine use among dependent individuals. We tested if extended-release naltrexone (XRNTX) reduces methamphetamine use and associated sexual risk behaviors among high-risk methamphetamine-dependent men who have sex with men (MSM). DESIGN:Double-blind, placebo-controlled, randomized trial of XRTNX versus placebo over 12 weeks from 2012 to 2015. SETTING:San Francisco Department of Public Health, California, USA. PARTICIPANTS:One hundred community-recruited, sexually-active, actively-using methamphetamine-dependent MSM. Mean age was 43.2 years; 96% were male, 3% transfemale, and 1% transmale; 55.0% were white, 19.0% African American, and 18.0% Latino. INTERVENTIONS:XRNTX 380 mg (n = 50) or matched placebo (n = 50) administered by gluteal injection at 4-week intervals. MEASUREMENTS:Regression estimated average level and change in level of positive urines during the period 2-12 weeks (primary outcomes) and sexual risk behaviors (secondary outcome). FINDINGS:Ninety per cent of visits were completed. By intent-to-treat, participants assigned to XRNTX had similar differences during 2-12 weeks in methamphetamine-positive urines as participants assigned to placebo [incidence rate ratio (IRR) = 0.95, 95% confidence interval (CI) = 0.76-1.20; Bayes factor < 0.3]. Observed urine positivity declined from 78 to 70% in the XRNTX arm and 74 to 64% in the placebo arm. Adherence to injections was 96.7% in the XRNTX arm and 91.3% in the placebo arm. Sexual risk behaviors declined similarly among participants in both arms (all P > 0.05). There were no serious adverse events related to study drug and no differences in frequency of adverse events by treatment arm. CONCLUSIONS:Notwithstanding very high medication adherence for this study, extended-release naltrexone does not appear to reduce methamphetamine use or sexual risk behaviors among methamphetamine-dependent men who have sex with men compared with placebo.

Project description:ImportanceTo date, extended-release naltrexone hydrochloride has not previously been compared directly with opioid medication treatment (OMT), currently the most commonly prescribed treatment for opioid dependence.ObjectiveTo determine whether treatment with extended-release naltrexone will be as effective as daily buprenorphine hydrochloride with naloxone hydrochloride in maintaining abstinence from heroin and other illicit substances in newly detoxified individuals.Design, setting and participantsA 12-week, multicenter, outpatient, open-label randomized clinical trial was conducted at 5 urban addiction clinics in Norway between November 1, 2012, and December 23, 2015; the last follow-up was performed on October 23, 2015. A total of 232 adult opioid-dependent (per DSM-IV criteria) individuals were recruited from outpatient addiction clinics and detoxification units and assessed for eligibility. Intention-to-treat analyses of efficacy end points were performed with all randomized participants.InterventionsRandomization to either daily oral flexible dose buprenorphine-naloxone, 4 to 24 mg/d, or extended-release naltrexone hydrochloride, 380 mg, administered intramuscularly every fourth week for 12 weeks.Main outcomes and measuresPrimary end points (protocol) were the randomized clinical trial completion rate, the proportion of opioid-negative urine drug tests, and number of days of use of heroin and other illicit opioids. Secondary end points included number of days of use of other illicit substances. Safety was assessed by adverse event reporting.ResultsOf 159 participants, mean (SD) age was 36 (8.6) years and 44 (27.7%) were women. Eighty individuals were randomized to extended-release naltrexone and 79 to buprenorphine-naloxone; 105 (66.0%) completed the trial. Retention in the extended-release naltrexone group was noninferior to the buprenorphine-naloxone group (difference, -0.1; with 95% CI, -0.2 to 0.1; P = .04), with mean (SD) time of 69.3 (25.9) and 63.7 (29.9) days, correspondingly (P = .33, log-rank test). Treatment with extended-release naltrexone showed noninferiority to buprenorphine-naloxone on group proportion of total number of opioid-negative urine drug tests (mean [SD], 0.9 [0.3] and 0.8 [0.4], respectively, difference, 0.1 with 95% CI, -0.04 to 0.2; P < .001) and use of heroin (mean difference, -3.2 with 95% CI, -4.9 to -1.5; P < .001) and other illicit opioids (mean difference, -2.7 with 95% CI, -4.6 to -0.9; P < .001). Superiority analysis showed significantly lower use of heroin and other illicit opioids in the extended-release naltrexone group. No significant differences were found between the treatment groups regarding most other illicit substance use.Conclusions and relevanceExtended-release naltrexone was as effective as buprenorphine-naloxone in maintaining short-term abstinence from heroin and other illicit substances and should be considered as a treatment option for opioid-dependent individuals.Trial registrationclinicaltrials.gov Identifier: NCT01717963.

Project description:Identifying and engaging excessive alcohol users in primary care may be an effective way to improve patient health outcomes, reduce alcohol-related acute care events, and lower costs. Little is known about what structures of primary care team communication are associated with alcohol-related patient outcomes.Using a sociometric survey of primary care clinic communication, this study evaluated the relation between team communication networks and alcohol-related utilization of care and costs. Between May 2013 and December 2013, a total of 155 healthcare employees at 6 primary care clinics participated in a survey on team communication. Three-level hierarchical modeling evaluated the link between connectedness within the care team and the number of alcohol-related emergency department visits, hospital days, and associated medical care costs in the past 12 months for each team's primary care patient panel.Teams (n = 31) whose registered nurses displayed more strong (at least daily) face-to-face ties and strong (at least daily) electronic communication ties had 10% fewer alcohol-related hospital days (rate ratio [RR] = 0.90; 95% confidence interval [CI]: 0.84, 0.97). Furthermore, in an average team size of 19, each additional team member with strong interaction ties across the whole team was associated with $1,030 (95% CI: -$1,819, -$241) lower alcohol-related patient healthcare costs per 1,000 team patients in the past 12 months. Conversely, teams whose primary care practitioner (PCP) had more strong face-to-face communication ties and more weak (weekly or several times a week) electronic communication ties had 12% more alcohol-related hospital days (RR = 1.12; 95% CI: 1.03, 1.23) and $1,428 (95% CI: $378, $2,478) higher alcohol-related healthcare costs per 1,000 patients in the past 12 months. The analyses controlled for patient age, gender, insurance, and comorbidity diagnoses.Excessive alcohol-using patients may fair better if cared for by teams whose face-to-face and electronic communication networks include more team members and whose communication to the PCP has been streamlined to fewer team members.

Project description:BACKGROUND:Few studies have documented patient attitudes and experiences with extended-release naltrexone (XR-NTX) opioid relapse prevention in criminal justice settings. This study assessed barriers and facilitators of jail-to-community reentry among adults with opioid use disorder (OUD) treated with XR-NTX, buprenorphine, methadone, and no medications. METHODS:This qualitative study conducted individual interviews with a purposeful and convenience sample of adults with OUD who were recently released from NYC jails. XR-NTX, no medication, and methadone participants were concurrently enrolled in a large randomized controlled trial evaluating XR-NTX vs. a no medication Enhanced Treatment As Usual (ETAU) condition, or enrolled in a non-randomized quasi-experimental methadone maintenance cohort. Buprenorphine participants were referred from NYC jails to a public hospital office-based buprenorphine program and not enrolled in the parent trial. Interviews were audio recorded, transcribed, independently coded by two researchers, and analyzed per a grounded theory approach adapted to the Social Cognitive Theory framework. The research team reviewed transcripts and coding to reach consensus on emergent themes. RESULTS:N = 33 adults with OUD (28 male, 5 female) completed a single individual interview. Purposeful sampling recruited persons leaving jail on XR-NTX (n = 11), no active medication treatment (n = 9), methadone (n = 9), and buprenorphine (n = 4). Emergent themes were: (1) general satisfaction with XR-NTX's long-acting antagonist effects and control of cravings; (2) "testing" XR-NTX's blockade with heroin upon reentry was common; (3) early discontinuation of XR-NTX treatment was most common among persons with high self-efficacy and/or heavy exposure to drug use environments and peers; (4) similar satisfaction regarding effects of methadone and buprenorphine maintenance among retained-in-treatment individuals, alongside general dissatisfaction with daily observed dosing requirements and misinformation and stigmas regarding methadone adverse effects; (5) unstable housing, economic insecurity, and exposure to actively using peers were attributed to early termination of treatment and relapse; (6) individual motivation and willpower as central to long-term opioid abstinence and reentry success. CONCLUSIONS:In the context of more familiar agonist maintenance treatments, XR-NTX relapse prevention during jail-to-community reentry was viewed as a helpful and unique intervention though with important limitations. Commonly described barriers to treatment retention and heroin abstinence included homelessness, economic insecurity, and drug-using peers. Trial registration ClinicalTrials.gov, NCT01999946 (XOR), Registered 03 December 2013, https://clinicaltrials.gov/ct2/show/NCT01999946 .

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Extended-release naltrexone for alcohol dependence: persistence and healthcare costs and utilization.

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Extended-release naltrexone for alcohol dependence: persistence and healthcare costs and utilization.

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