Dependent personality questionnaire

Reference number 7997

Sectors: Medical research, Pharmaceuticals

Industries: Pharmaceuticals

Proposed use

A useful tool in the investigation of the relationship between dependent personality disorder and other psychiatric diagnoses including substance misuse.

Problem addressed

There are no specific instruments for rating dependent personality, although this may be an important subject in clinical practice, where knowledge of dependent personality features may influence treatment.

Technology overview

The importance of establishing the presence of dependent personality disorder has been demonstrated in research carried out into benzodiazepine dependence. Patients with dependent personality traits or disorder were found to have a higher incidence of withdrawal symptoms after stopping benzodiazepines than other patients.

The Dependent Personality Questionnaire (DPQ) was thus developed as a short self-rating scale which could be used as a screening instrument in general practice to identify patients likely to have a dependent personality disorder and at particular risk of developing benzodiazepine dependence, and possible dependence on other treatments.

Although the prime motive for developing the instrument was to assess its value in drug dependence, it could be of value in many other settings, not least in those being assessed for psychotherapy, as dependence on therapists is at least as common as dependence on drugs. It could also be a useful tool in the investigation of the relationship between dependent personality disorder and other psychiatric diagnoses including substance misuse.

Benefits

  • A simple self-rating questionnaire
  • The score can also be converted to a readily interpretable percentage by dividing the score obtained by the maximum possible score of 24.
  • Validated in at least one trial (n>300)

Intellectual property information

Copyright

Publications

Tyrer, P, Morgan, J, Cicchetti, D (2004). The Dependent Personality Questionnaire (DPQ): a screening instrument for dependent personality, Int J Soc Psychiatry, Mar;50(1):10-7.

Inventor

Professor Peter Tyrer

Emeritus Professor in Community Psychiatry - Clinical
Faculty of Medicine, Department of Brain Sciences

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Contact us about this technology



Contact

Dr Alexandra Skeaping

Industry Partnerships and Commercialisation Officer, Medicine

Dr Alexandra Skeaping is Industry Partnerships and Commercialisation Officer for the Faculty of Medicine at Imperial College London.

Contact Alexandra

+44 (0)20 7594 7021

a.skeaping@imperial.ac.uk

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