How to deliver effective opioid substitute treatment in prisons This webinar focuses on overcoming organisational and cultural issues stabilisation and assisted withdrawal retox and continuity of care Presenters: Dr Joss Bray, Clinical Lead for Drug and Alcohol Treatment in the North East Prisons for Spectrum CIC. Dr Jake Hard, HMP Eastwood Park and HMP Leyhill, Hanham Health surgery. Chair of the RCGP Secure Environments. Group. Tamara Healey, Non Medical Prescriber, Substance Misuse, Eastwood Park Prison, Bristol Community Health.