Last updated: 16 January 2026
OPD
Offender Personality Disorder pathway - a joint NHS and HMPPS initiative providing specialist services for offenders with personality disorders who pose a high risk of harm. Includes prison-based treatment and community support.
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OPD
DSPD
Dangerous and Severe Personality Disorder - a clinical and administrative category for individuals with severe personality disorders who pose a significant risk of serious harm to others. Specialist units exist within the prison and secure hospital system to manage and treat these individuals.