Table 1.

Average costs per mg in sterling pounds and US dollars of 5 mcg/hour transdermal buprenorphine patches in primary care in England between 2015 and 2018

	February 2015–July 2015	August 2015–January 2016	February 2016–July 2016	August 2016–January 2017	February 2017–July 2017	August 2017–January 2018
Average cost/mg
BuTrans	£0.788 $1.19	£0.788 $1.19	£0.788 $1.03	£0.788 $1.03	£0.788 $1.03	£0.976 $1.27
Butec	–	–	£0.648 $0.84	£0.355 $0.46	£0.35 $0.45	£0.439 $0.575
Reletrans	–	–	–	£0.394 $0.51	£0.394 $0.51	£0.440 $0.576
Panitaz	–	–	–	£0.441 $0.57	£0.352 $0.46	£0.365 $0.478
Sevodyne	–	–	–	–	£0.355 $0.46	£0.439 $0.575
Bupramyl	–	–	–	–	£0.352 $0.46	£0.385 $0.504
Busiete	–	–	–	–	–	£0.386 $0.505
Non-branded generic buprenorphine	–	–	–	£0.76 $0.99	£0.76 $0.99	–

I– indicates the product was not yet marketed.