Residual symptoms in depressed patients who respond acutely to fluoxetine

Andrew A. Nierenberg, Bronwyn R. Keefe, Vinita C. Leslie, Jonathan E. Alpert, Joel A. Pava, John J. Worthington, Jerrold F. Rosenbaum, Maurizio Fava

Research output: Contribution to journalArticle

Abstract

Background: Antidepressants have unequivocal efficacy as compared with placebo, but many patients have residual symptoms despite a robust response to antidepressant therapy. The purpose of this study is to assess residual symptoms in outpatients who respond acutely to fluoxetine. Method: Two hundred and fifteen outpatients with major depressive disorder as assessed with the Structured Clinical Interview for DSM-III-R (SCID-P) were treated openly with fluoxetine 20 mg/day for 8 Weeks,;One hundred and eight (50.2%) were considered full resportder (final 17-item Hamilton Rating Scale for Depression [HAM-DJ: score ≤ 7). Percentages of full responders who continued, to have subthreshold or full major depressive disorder symptoms were calculated. The relationship between residual symptom and Axis I and Axis II (assessed with SCID-II for personality disorders) comerbidity was assessed. Results: Of the 108 responders 19(17.6%) had no subthreshold or threshold SCID-P major depressive disorder symptoms, while 28 (25.9%) had 1 symptom, and 61 (56.5%) had 2 or more symptoms. No statistically significant relationships. were found between number of residual symptoms and selected Axis I comorbid conditions or total number of Axis II disorders. Conclusion: Less than 20% of full responders to fluoxetine by HAM-D criteria were free of all SCID-P subthreshold and threshold major depressive disorder symptoms after 8 weeks of treatment. While depressed patients benefit from antidepressants, most continue to have some symptoms of depression. The high prevalence of residual symptoms among antidepressant responders suggests the need for further study including whether residual symptoms abate with longer treatment or increased dose of fluoxetine. Other strategies, such as cognitive behavioral therapy, may be needed to address residual symptoms.

Original languageEnglish (US)
Pages (from-to)124
Number of pages1
JournalPrimary Care Companion to the Journal of Clinical Psychiatry
Volume1
Issue number4
StatePublished - 1999
Externally publishedYes

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Fluoxetine
Major Depressive Disorder
Antidepressive Agents
Depression
Outpatients
Personality Disorders
Cognitive Therapy
Diagnostic and Statistical Manual of Mental Disorders
Therapeutics
Placebos
Interviews

ASJC Scopus subject areas

  • Psychiatry and Mental health

Cite this

Nierenberg, A. A., Keefe, B. R., Leslie, V. C., Alpert, J. E., Pava, J. A., Worthington, J. J., ... Fava, M. (1999). Residual symptoms in depressed patients who respond acutely to fluoxetine. Primary Care Companion to the Journal of Clinical Psychiatry, 1(4), 124.

Residual symptoms in depressed patients who respond acutely to fluoxetine. / Nierenberg, Andrew A.; Keefe, Bronwyn R.; Leslie, Vinita C.; Alpert, Jonathan E.; Pava, Joel A.; Worthington, John J.; Rosenbaum, Jerrold F.; Fava, Maurizio.

In: Primary Care Companion to the Journal of Clinical Psychiatry, Vol. 1, No. 4, 1999, p. 124.

Research output: Contribution to journalArticle

Nierenberg, AA, Keefe, BR, Leslie, VC, Alpert, JE, Pava, JA, Worthington, JJ, Rosenbaum, JF & Fava, M 1999, 'Residual symptoms in depressed patients who respond acutely to fluoxetine', Primary Care Companion to the Journal of Clinical Psychiatry, vol. 1, no. 4, pp. 124.
Nierenberg, Andrew A. ; Keefe, Bronwyn R. ; Leslie, Vinita C. ; Alpert, Jonathan E. ; Pava, Joel A. ; Worthington, John J. ; Rosenbaum, Jerrold F. ; Fava, Maurizio. / Residual symptoms in depressed patients who respond acutely to fluoxetine. In: Primary Care Companion to the Journal of Clinical Psychiatry. 1999 ; Vol. 1, No. 4. pp. 124.
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