Modulation of limbic circuitry predicts treatment response to antipsychotic medication

A functional imaging study in schizophrenia

Adrienne C. Lahti, Martin A. Weiler, Henry H. Holcomb, Carol A. Tamminga, Karen L. Cropsey

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

The regional neuronal changes taking place in the early and late stages of antipsychotic treatment are still not well characterized in humans. In addition, it is not known whether these regional changes are predictive of or are correlated with treatment response. Using PET with 15 O, we evaluated the time course of regional cerebral blood flow (rCBF) patterns generated by a first (haloperidol) and a second (olanzapine) generation antipsychotic drug in patients with schizophrenia during a 6-week treatment trial. Patients were initially scanned after withdrawal of all psychotropic medication (2 weeks), and then blindly randomized to treatment with haloperidol (n12) or olanzapine (n17) for a period of 6 weeks. Patients were scanned again after 1 and 6 weeks of treatment. All assessments, including scanning sessions, were obtained in a double-blind manner. As hypothesized, we observed rCBF changes that were common to both the drugs, implicating cortico-subcortical and limbic neuronal networks in antipsychotic action. In addition, in these regions, some patterns seen at weeks 1 and 6 were distinctive, indexing neuronal changes related to an early (ventral striatum, hippocampus) and consolidated (anterior cingulate/medial frontal cortex) stage of drug response. Finally, both after 1 and 6 weeks of treatment, we observed differential patterns of rCBF activation between good and poor responders. After 1 week of treatment, greater rCBF increase in the ventral striatum and greater decrease in the hippocampus were associated with good response.

Original languageEnglish (US)
Pages (from-to)2675-2690
Number of pages16
JournalNeuropsychopharmacology
Volume34
Issue number13
DOIs
StatePublished - Dec 2009

Fingerprint

Cerebrovascular Circulation
Antipsychotic Agents
Schizophrenia
Regional Blood Flow
olanzapine
Haloperidol
Therapeutics
Hippocampus
Gyrus Cinguli
Frontal Lobe
Pharmaceutical Preparations

Keywords

  • Haloperidol
  • Olanzapine
  • PET
  • RCBF
  • Schizophrenia

ASJC Scopus subject areas

  • Pharmacology
  • Psychiatry and Mental health

Cite this

Modulation of limbic circuitry predicts treatment response to antipsychotic medication : A functional imaging study in schizophrenia. / Lahti, Adrienne C.; Weiler, Martin A.; Holcomb, Henry H.; Tamminga, Carol A.; Cropsey, Karen L.

In: Neuropsychopharmacology, Vol. 34, No. 13, 12.2009, p. 2675-2690.

Research output: Contribution to journalArticle

Lahti, Adrienne C. ; Weiler, Martin A. ; Holcomb, Henry H. ; Tamminga, Carol A. ; Cropsey, Karen L. / Modulation of limbic circuitry predicts treatment response to antipsychotic medication : A functional imaging study in schizophrenia. In: Neuropsychopharmacology. 2009 ; Vol. 34, No. 13. pp. 2675-2690.
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