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Buprenorphine/naloxone treatment in primary care is associated with decreased human immunodeficiency virus risk behaviors.

ABSTRACT: Methadone treatment reduces human immunodeficiency virus (HIV) risk, but the effects of primary-care-based buprenorphine/naloxone on HIV risk are unknown. The purpose of this study was to determine whether primary-care-based buprenorphine/naloxone was associated with decreased HIV risk behavior. We conducted a longitudinal analysis of 166 opioid-dependent persons (129 men and 37 women) receiving buprenorphine/naloxone treatment in a primary care clinic. We compared baseline and 12- and 24-week overall, drug-related, and sex-related HIV risk behaviors using the AIDS/HIV Risk Inventory (ARI). Buprenorphine/naloxone treatment was associated with significant reductions in overall and drug-related ARI scores from baseline to 12 and 24 weeks. Intravenous drug use in the past 3 months was endorsed by 37%, 12%, and 7% of patients at baseline and at 12 and 24 weeks, respectively (p< .001). Sex while you or your partner were "high" was endorsed by 64%, 13%, and 15% of patients at baseline and at 12 and 24 weeks, respectively (p< .001). Inconsistent condom use during sex with a steady partner was high at baseline and did not change over time. We conclude that primary-care-based buprenorphine/naloxone treatment is associated with decreased drug-related HIV risk, but additional efforts may be needed to address sex-related HIV risk when present.

SUBMITTER: Sullivan LE

PROVIDER: S-EPMC2587397 | biostudies-literature | 2008 Jul

REPOSITORIES: biostudies-literature

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Buprenorphine/naloxone treatment in primary care is associated with decreased human immunodeficiency virus risk behaviors.

Sullivan Lynn E LE Moore Brent A BA Chawarski Marek C MC Pantalon Michael V MV Barry Declan D O'Connor Patrick G PG Schottenfeld Richard S RS Fiellin David A DA

Journal of substance abuse treatment 20071015 1

Methadone treatment reduces human immunodeficiency virus (HIV) risk, but the effects of primary-care-based buprenorphine/naloxone on HIV risk are unknown. The purpose of this study was to determine whether primary-care-based buprenorphine/naloxone was associated with decreased HIV risk behavior. We conducted a longitudinal analysis of 166 opioid-dependent persons (129 men and 37 women) receiving buprenorphine/naloxone treatment in a primary care clinic. We compared baseline and 12- and 24-week o ...[more]

PMID: 17933486

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Project description:AimsTo examine the safety and effectiveness of buprenorphine + naloxone sublingual tablets (BUP, as Suboxone(®) ) provided after administration of extended-release injectable naltrexone (XR-NTX, as Vivitrol(®) ) to reduce cocaine use in participants who met DSM-IV criteria for cocaine dependence and past or current opioid dependence or abuse.MethodsThis multi-centered, double-blind, placebo-controlled study, conducted under the auspices of the National Drug Abuse Treatment Clinical Trials Network, randomly assigned 302 participants at sites in California, Oregon, Washington, Colorado, Texas, Georgia, Ohio, New York and Washington DC, USA to one of three conditions provided with XR-NTX: 4 mg/day BUP (BUP4, n = 100), 16 mg/day BUP (BUP16, n = 100, or no buprenorphine (placebo; PLB, n = 102). Participants received pharmacotherapy for 8 weeks, with three clinic visits per week. Cognitive behavioral therapy was provided weekly. Follow-up assessments occurred at 1 and 3 months post-intervention. The planned primary outcome was urine drug screen (UDS)-corrected, self-reported cocaine use during the last 4 weeks of treatment. Planned secondary analyses assessed cocaine use by UDS, medication adherence, retention and adverse events.ResultsNo group differences were found between groups for the primary outcome (BUP4 versus PLB, P = 0.262; BUP16 versus PLB, P = 0.185). Longitudinal analysis of UDS data during the evaluation period using generalized linear mixed equations found a statistically significant difference between BUP16 and PLB [P = 0.022, odds ratio (OR) = 1.71] but not for BUP4 (P = 0.105, OR = 1.05). No secondary outcome differences across groups were found for adherence, retention or adverse events.ConclusionsBuprenorphine + naloxone, used in combination with naltrexone, may be associated with reductions in cocaine use among people who meet DSM-IV criteria for cocaine dependence and past or current opioid dependence or abuse.

Project description:IMPORTANCE:Opioid-dependent patients often use the emergency department (ED) for medical care. OBJECTIVE:To test the efficacy of 3 interventions for opioid dependence: (1) screening and referral to treatment (referral); (2) screening, brief intervention, and facilitated referral to community-based treatment services (brief intervention); and (3) screening, brief intervention, ED-initiated treatment with buprenorphine/naloxone, and referral to primary care for 10-week follow-up (buprenorphine). DESIGN, SETTING, AND PARTICIPANTS:A randomized clinical trial involving 329 opioid-dependent patients who were treated at an urban teaching hospital ED from April 7, 2009, through June 25, 2013. INTERVENTIONS:After screening, 104 patients were randomized to the referral group, 111 to the brief intervention group, and 114 to the buprenorphine treatment group. MAIN OUTCOMES AND MEASURES:Enrollment in and receiving addiction treatment 30 days after randomization was the primary outcome. Self-reported days of illicit opioid use, urine testing for illicit opioids, human immunodeficiency virus (HIV) risk, and use of addiction treatment services were the secondary outcomes. RESULTS:Seventy-eight percent of patients in the buprenorphine group (89 of 114 [95% CI, 70%-85%]) vs 37% in the referral group (38 of 102 [95% CI, 28%-47%]) and 45% in the brief intervention group (50 of 111 [95% CI, 36%-54%]) were engaged in addiction treatment on the 30th day after randomization (P?<?.001). The buprenorphine group reduced the number of days of illicit opioid use per week from 5.4 days (95% CI, 5.1-5.7) to 0.9 days (95% CI, 0.5-1.3) vs a reduction from 5.4 days (95% CI, 5.1-5.7) to 2.3 days (95% CI, 1.7-3.0) in the referral group and from 5.6 days (95% CI, 5.3-5.9) to 2.4 days (95% CI, 1.8-3.0) in the brief intervention group (P?<?.001 for both time and intervention effects; P?=?.02 for the interaction effect). The rates of urine samples that tested negative for opioids did not differ statistically across groups, with 53.8% (95% CI, 42%-65%) in the referral group, 42.9% (95% CI, 31%-55%) in the brief intervention group, and 57.6% (95% CI, 47%-68%) in the buprenorphine group (P?=?.17). There were no statistically significant differences in HIV risk across groups (P?=?.66). Eleven percent of patients in the buprenorphine group (95% CI, 6%-19%) used inpatient addiction treatment services, whereas 37% in the referral group (95% CI, 27%-48%) and 35% in the brief intervention group (95% CI, 25%-37%) used inpatient addiction treatment services (P?<?.001). CONCLUSIONS AND RELEVANCE:Among opioid-dependent patients, ED-initiated buprenorphine treatment vs brief intervention and referral significantly increased engagement in addiction treatment, reduced self-reported illicit opioid use, and decreased use of inpatient addiction treatment services but did not significantly decrease the rates of urine samples that tested positive for opioids or of HIV risk. These findings require replication in other centers before widespread adoption. TRIAL REGISTRATION:clinicaltrials.gov Identifier: NCT00913770.

Project description:BackgroundSublingual buprenorphine is an effective maintenance treatment for opioid dependence, yet intravenous buprenorphine misuse occurs. A buprenorphine/naloxone formulation was developed to mitigate this misuse risk. This randomized, double-blind, cross-over study was conducted to assess the intravenous abuse potential of buprenorphine/naloxone compared with buprenorphine in buprenorphine-maintained injection drug users (IDUs).MethodsIntravenous heroin users (n = 12) lived in the hospital for 8-9 weeks and were maintained on each of three different sublingual buprenorphine doses (2 mg, 8 mg, 24 mg). Under each maintenance dose, participants completed laboratory sessions during which the reinforcing and subjective effects of intravenous placebo, naloxone, heroin and low and high doses of buprenorphine and buprenorphine/naloxone were examined. Every participant received each test dose under the three buprenorphine maintenance dose conditions.ResultsIntravenous buprenorphine/naloxone was self-administered less frequently than buprenorphine or heroin (P < 0.0005). Participants were most likely to self-administer drug intravenously when maintained on the lowest sublingual buprenorphine dose. Subjective ratings of 'drug liking' and 'desire to take the drug again' were lower for buprenorphine/naloxone than for buprenorphine or heroin (P = 0.0001). Participants reported that they would pay significantly less money for buprenorphine/naloxone than for buprenorphine or heroin (P < 0.05). Seven adverse events were reported; most were mild and transient.ConclusionsThese data suggest that although the buprenorphine/naloxone combination has intravenous abuse potential, that potential is lower than it is for buprenorphine alone, particularly when participants received higher maintenance doses and lower buprenorphine/naloxone challenge doses. Buprenorphine/naloxone may be a reasonable option for managing the risk for buprenorphine misuse during opioid dependence treatment.

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Buprenorphine/naloxone treatment in primary care is associated with decreased human immunodeficiency virus risk behaviors.

Publications

Buprenorphine/naloxone treatment in primary care is associated with decreased human immunodeficiency virus risk behaviors.

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