Background
Amid the global transition to treat opioid addiction as an illness, many people who inject drugs (PWID) face heterogeneous legal environments that include both punitive and harm reduction measures. In Vietnam, many PWID, who have a high burden of HIV, are sent to drug treatment centers, or “06 centers”, for compulsory detoxification, vocational training, and labor for up to four years. This study investigates the challenges and facilitators of reentry into community and family life among men who are released from “06 centers” and provides insights and recommendations for developing policies and interventions that address special needs of this vulnerable population.
Methods
In-depth interviews were conducted in 2011 by trained interviewers among a sample of 43 male PWID released within the past 2 years from “06 centers” in Hanoi, Vietnam to investigate the above issues and to recommend potential interventions. Participants were recruited from outpatient HIV clinics that serve PWID (n=22) and through peer referral from self-help groups for PWID (n=21). Interviews were audiotaped, transcribed, translated, entered into Atlas. TI qualitative data analysis software and analyzed for key themes.
Results
The interviews revealed persistent drug-related stigmatization, frequently paired with HIV-related stigmatization and discrimination, which hindered employment, increased participants’ social isolation and exacerbated their struggles with addiction. Families were participants’ primary source of financial, employment, and emotional support, but addiction-related family tensions also had negative psychological effects. Participants identified methadone maintenance treatment as an effective means of overcoming addiction, yet few could fully benefit from this treatment due to its limited availability.
Conclusion
Our study suggests that PWID released from “06 centers” would greatly benefit from the scale-up of community-based harm reduction measures that include addiction and HIV treatment, coupled with employment-support and family-centered mental health services.
To assess the antimalarial sensitivity of Plasmodium falciparum in vivo and in vitro in a highly endemic area of southern Viet Nam, a field study was conducted (in 1999) at a rubber plantation in Binh Phuoc Province north of Ho Chi Minh City. Fifty patients were treated with either artesunate (4 mg/kg on day 0, then 2 mg/kg on day 1 to 4) or mefloquine (10 mg/kg at 0 h, then 5 mg/kg at 6 h), and their progress was followed for 28 days under standard WHO protocols. Blood spots were taken at baseline from all patients, as well as from those who redeveloped parasitaemia during follow-up, for polymerase chain reaction (PCR) determination of parasite genotypes to assist differentiation of re-infection from recrudescence. Both treatments cleared parasites within 5 days. Of the 25 mefloquine-treated patients, 2 (8%) re-presented with probable re-infections. For artesunate, 4 patients (16%) had re-infections and 5 (20%) had recrudescences. Sensitivity tests in vitro of pre-treatment P. falciparum isolates showed geometric mean IC50 values of 29, 38, 209 and 15 nmol/L for chloroquine (n = 32), mefloquine (n = 33), quinine (n = 31) and artemisinin (n = 31), respectively. There were significant correlations between IC50s for artemisinin and mefloquine (r = 0.72, P = 0.004), and chloroquine and quinine (r = 0.44, P = 0.05). These data show that, although mefloquine has been used for 10 years in Binh Phuoc Province, it remains fully effective, perhaps because an artemisinin derivative is commonly given at the same time. The recrudescence rate for artesunate is similar to those reported in other epidemiological contexts. The present in-vitro data imply that quinine remains effective and that reduced drug pressure has been associated with increased sensitivity of local strains of P. falciparum to chloroquine. Although from one hyperendemic area, these results may have implications for antimalarial prophylaxis and treatment strategies for residents and travellers to southern Viet Nam.
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