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Related Experiment Videos

Assessing full remission.

Roger McIntyre1, Sidney Kennedy, R Michael Bagby

  • 1Mood and Anxiety Disorders Program, Department of Psychiatry, University of Toronto, Toronto, Ont. roger_mcintyre@camh.net

Journal of Psychiatry & Neuroscience : JPN
|August 15, 2002
PubMed
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A new 7-item Hamilton Rating Scale for Depression (Toronto HAM-D7) effectively identifies full remission in major depression patients. This shortened scale offers a practical tool for clinicians assessing treatment response.

Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Psychometrics

Background:

  • The 17-item Hamilton Rating Scale for Depression (HAM-D17) is a long-standing standard for assessing depression severity.
  • Clinical utility of HAM-D17 is limited by administration time and inter-rater reliability concerns.
  • Existing shorter versions lack validation for distinguishing depression remission from response.

Purpose of the Study:

  • To develop and validate a shortened version of the HAM-D for clinical practice.
  • To establish cut-off scores for identifying full remission using a brief depression assessment tool.

Main Methods:

  • Analysis of data from 292 major depression patients receiving standard treatment.
  • Identification of seven key items from the HAM-D based on frequency and sensitivity to change.

Related Experiment Videos

  • Derivation of the Toronto HAM-D7 and validation against the HAM-D17 remission criteria.

    • Main Results:

    • The Toronto HAM-D7, a seven-item scale, was developed.
    • A Toronto HAM-D7 score of 3 or less reliably indicated full remission.
    • This score correlated with the HAM-D17 definition of remission (score of 7 or less).

    Conclusions:

    • The Toronto HAM-D7 provides a brief, validated measure for assessing depression remission.
    • This shortened scale can be readily used by clinicians to evaluate treatment outcomes.
    • Facilitates efficient assessment of full remission, crucial for minimizing relapse risk.