Addiction (Abingdon, England) · 2021
The effect of needle and syringe program and opioid agonist therapy on the risk of HIV, hepatitis B and C virus infection for people who inject drugs in Amsterdam, the Netherlands: findings from an emulated target trial.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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van Santen Daniela K, Boyd Anders, Matser Amy, Maher Lisa, Hickman Matthew, Lodi Sara, Prins Maria
Аннотация
BACKGROUND AND AIMS: Major declines in HIV and hepatitis C and B virus (HCV/HBV) incidence among people who inject drugs (PWID) have been attributed to early implementation of harm-reduction programs (HRP) in the Netherlands, but alternative factors such as selective mortality and demographic and drug market shifts over time probably contributed to observed incidence declines. We quantified and tested the effect of HRP participation on risk of these infections among PWID in Amsterdam, the Netherlands.
DESIGN: We emulated the design of a hypothetical, ideal randomized trial using observational data from the Amsterdam Cohort Studies (1985-2014).
SETTING: Amsterdam, the Netherlands.
PARTICIPANTS: We included PWID who ever used opioids, had a recent history of injecting drug use (IDU) and tested negative for HIV, HCV or HBV. Of 983 participants, 640, 137 and 308 were included for the HIV, HCV and HBV analyses and 59, 45 and 49 seroconversions were observed, respectively.
INTERVENTIONS: Intervention arms were: complete HRP participation [≥ 60 mg/day methadone and 100% needle and syringe program (NSP) coverage, or any methadone dose if no recent injection drug use] versus no HRP and partial HRP participation combined (< 60 methadone mg/day and/or < 100% NSP coverage).
CONCLUSIONS: Complete participation in harm reduction programs appears to have led to substantial decreases in HIV and hepatitis C and B virus acquisition risk among people who inject drugs in the Netherlands.
MEASUREMENTS: Separately for each infection, we estimated the hazard ratios (HR) comparing HRP arms using marginal structural models.
FINDINGS: Compared with no/partial HRP participation, complete HRP participation led to lower risk of HIV [HR = 0.54, 95% confidence interval (CI) = 0.27-1.08], HCV (HR = 0.16, 95% CI = 0.06-0.40) and HBV (HR = 0.28, 95% CI = 0.13-0.61) acquisition.
DESIGN: We emulated the design of a hypothetical, ideal randomized trial using observational data from the Amsterdam Cohort Studies (1985-2014).
SETTING: Amsterdam, the Netherlands.
PARTICIPANTS: We included PWID who ever used opioids, had a recent history of injecting drug use (IDU) and tested negative for HIV, HCV or HBV. Of 983 participants, 640, 137 and 308 were included for the HIV, HCV and HBV analyses and 59, 45 and 49 seroconversions were observed, respectively.
INTERVENTIONS: Intervention arms were: complete HRP participation [≥ 60 mg/day methadone and 100% needle and syringe program (NSP) coverage, or any methadone dose if no recent injection drug use] versus no HRP and partial HRP participation combined (< 60 methadone mg/day and/or < 100% NSP coverage).
CONCLUSIONS: Complete participation in harm reduction programs appears to have led to substantial decreases in HIV and hepatitis C and B virus acquisition risk among people who inject drugs in the Netherlands.
MEASUREMENTS: Separately for each infection, we estimated the hazard ratios (HR) comparing HRP arms using marginal structural models.
FINDINGS: Compared with no/partial HRP participation, complete HRP participation led to lower risk of HIV [HR = 0.54, 95% confidence interval (CI) = 0.27-1.08], HCV (HR = 0.16, 95% CI = 0.06-0.40) and HBV (HR = 0.28, 95% CI = 0.13-0.61) acquisition.