A Strategy to Improve Success of Treatment Discontinuation in Buprenorphine Responders
A Strategy to Improve Success of Treatment Discontinuation in Buprenorphine Responders
批准号:
9244282
负责人:
ADAM BISAGA
金额:
$23.09万
依托单位国家:
美国
项目类别:
财政年份:
2017
资助国家:
美国
项目状态:
已结题
起止时间:
2017-08-01 至 2019-07-31
关键词:
AbstinenceAdverse effectsAdvocateAffectAgonistAnxietyAreaBehavior TherapyBuprenorphineClinicClinicalCommunitiesCountryDevelopmentDoseDropoutDrug Metabolic DetoxicationFormulationGuidelinesHealth Services AccessibilityIndividualInjectableInjection of therapeutic agentInsuranceMaintenanceMeasuresMethodsMonitorMoodsMorbidity - disease rateNaloxoneNaltrexoneOpioidOpioid ReceptorOralOutcomeOutpatientsParticipantPatientsPharmaceutical PreparationsPhasePhysiciansPopulationPreparationPrevention therapyProviderRandomizedRecording of previous eventsRecruitment ActivityRegimenRelapseResearchRiskRouteSeveritiesSignal TransductionSleep DisordersTestingTimeTreatment CostWithdrawalWorkYouthactive methodalternative treatmentbasecommunity based treatmentdesigndisorder later incidence preventionimprovedmedication-assisted treatmentmortalitynovel strategiesopen labelopioid use disorderopioid withdrawalprescription opioid abusepreventprimary care settingprimary outcomeprogramsrelapse risksecondary outcomesuccesstreatment choicetreatment durationtreatment responsetreatment strategyweek trial
中文摘要
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英文摘要
The number of individuals with Opioid Use Disorder (OUD) continues to rise with more than 2.5 million
affected, along with substantial morbidity and mortality. Several effective medications are available to treat
OUD with buprenorphine becoming the primary medication used in the community. Buprenorphine is effective
for approximately 50-70% of patients and better results are achieved with the longer duration of treatment.
However, the prospect of long-term opioid maintenance is not acceptable to some patients and they eventually
request to stop treatment or discontinue it on their own. As many patients who had good treatment response
desire to discontinue the medication there is a need to collect evidence about the best strategy to accomplish
that. Opioid receptor antagonist naltrexone is approved for relapse prevention following detoxification off
opioids. Naltrexone can be started as a first-line treatment following discontinuation off illicit opioids and it may
also be used as an adjunct for patients who wish to discontinue buprenorphine maintenance and would like to
be protected from relapse. We propose an open-label randomized outpatient trial to evaluate feasibility and
efficacy of rapid BUP discontinuation followed by brief course of treatment with long-acting naltrexone (XR-
NTX) and to compare it to the standard method of gradual BUP taper.
Individuals with OUD (N=55) who have successfully completed at least 6 months of buprenorphine treatment
and do not wish to remain in a long-term buprenorphine maintenance program will be recruited. The first phase
includes a 4-week period of stabilization on buprenorphine 4-8 mg at the research clinic to assure that patients
are stable, compliant, and free from illicit opioids. Participants that meet the above criteria will be randomized
1:1 to: 1) buprenorphine discontinuation and outpatient transition to XR-NTX with 3 monthly injections, or 2)
buprenorphine discontinuation using a gradual, 5-week long taper. In both groups participants will receive
weekly relapse prevention therapy and will be monitored for the duration of the trial, which is 25 weeks post
randomization. The primary outcome will be the percent of patients successfully transitioned off buprenorphine
and abstinent from any opioids at the 25-week trial endpoint. Secondary outcomes will include measures of
opioid withdrawal, mood, anxiety and sleep problems, abstinence from other substances, time to relapse or
dropout, and adverse effects. We hypothesize that more patients will successfully discontinue buprenorphine in
the group that received XR-NTX. This proposed exploratory trial will be able to inform the design of future
research and clinical work. A positive signal that transition from maintenance buprenorphine to XR-NTX is
feasible and prevents relapse would encourage a larger trial to replicate and perhaps extend to multiple
community based treatment settings. A feasible, well-tolerated, and effective method of helping patients
wishing to discontinue treatment with BUP has the potential to expand the population of opioid-dependent
individuals benefitting from treatment.
期刊论文(0)
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会议论文
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