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. 2026 Jul 9;23:159. doi: 10.1186/s12954-025-01372-z

Table 2.

Year Naloxone Doses/Routes Naloxone
Formulations
Any Other (Non- naloxone) Overdose
Treatment
Immediate Post- overdose Treatment Delayed Post-overdose Treatment
2014–2017

SRs 3

MA 1

SRP 1

SRs 2

SRP 1

-

SRs 1

SRP 1

-
2018–2021

SRs 5

SRP 2

CT 1

MA 1

GR 1

SRs 2

SRP 1

GR 1

CT 1

SRs 1

SRs 3

CT 1

MA 1

GR 1

CT 1

SRs 1

2022–2024

SRs 3

CT 1

SRs 1 SRs 1 SRs 1

Please see an interactive Bubble Map by clicking the link above

CT Clinical Trials; GR Guidelines Review; MA Meta-analysis; SR Systematic Review; SRP Systematic Review Protocol