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Table 1 Search strategy

From: Association between cannabis use and treatment outcomes in patients receiving methadone maintenance treatment: a systematic review protocol

Database Search strategy
MEDLINE (n = 420) 1. exp Opiate substitution therapy/
2. Methadone/
3. Methadone.mp.
4. MMT.mp.
5. Cannabis/
6. Marijuana Abuse/
7. Marijuana Smoking/
8. Medical Marijuana/
9. Cannabis.mp. or marijuana*.mp.
10. THC.mp. or hash*.mp. or ganja.mp. or hemp.mp. or bhang*.mp.
11. 1 or 2 or 3 or 4
12. 5 or 6 or 7 or 8 or 9 or 10
13. 11 an 12
14. Limit 13 to humans
EMBASE (n = 1761) 1. exp opiate substitution treatment/
2. exp methadone treatment/
3. exp methadone/
4. Methadone.mp.
5. MMT.mp.
6. exp cannabis/
7. exp “cannabis use”/
8. exp cannabis addiction/
9. exp cannabis smoking/
10. exp medical cannabis/
11. Cannabis.mp. or marijuana*.mp.
12. THC.mp. or hash*.mp. or ganja.mp. or hemp.mp. or bhang*.mp.
13. 1 or 2 or 3 or 4 or 5
14. 6 or 7 or 8 or 9 or 10 or 11 or 12
15. 13 and 14
16. Limit 15 to humans
PsycINFO (n = 194) 1. exp methadone maintenance/
2. methadone.mp.
3. MMT.mp.
4. exp cannabis/
5. exp marijuana usage/
6. cannabis.mp. or marijuana*.mp.
7. THC.mp. or hash*.mp. or ganja.mp. or hemp.mp. or bhang*.mp.
8. 1 or 2 or 3
9. 4 or 5 or 6 or 7
10. 8 and 9
11. Limit 10 to humans
CINAHL (n = 50) 1. (MH “Methadone”)
2. “Methadone”
3. “MMT”
4. (MH “Cannabis”)
5. (MH “Medical Marijuana”)
6. “marijuana” or “cannabis”
7. “THC” or “hash*” or “ganja” or “hemp*” or “bhang*”
8. 1 or 2 or 3
9. 4 or 5 or 6
10. 7 and 8 (limiters – human)