Acute antidepressant response to sleep deprivation combined with light therapy is influenced by the catechol-O-methyltransferase Val(108/158)Met polymorphism

Francesco Benedetti, Barbara Barbini, Alessandro Bernasconi, Mara Cigala Fulgosi, Sara Dallaspezia, Chiara Gavinelli, Clara Locatelli, Cristina Lorenzi, Adele Pirovano, Daniele Radaelli, Enrico Smeraldi, Cristina Colombo

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Catechol-O-methyltransferase (COMT) inactivates norepinephrine and dopamine via methyl conjugation, and a G-A transition in the COMT gene (rs4680) influences the enzyme activity. It is a current area of debate whether rs4680 can influence antidepressant response in major depressive disorder, and whether this influence extends to bipolar depression. Chronotherapeutic interventions, such as sleep deprivation and light therapy, are multi-target in nature and are effective in bipolar depression. Here we studied the effect of rs4680 on response to sleep deprivation combined with light therapy (36 h awake followed by a night of undisturbed sleep, with 10,000 lx light administered for 30 min during the night awake and upon awakening) in 87 bipolar depressed inpatients. Patients who were homozygotic for the Val/Val variant showed a significantly less efficient antidepressant effect after the night awake than those who were heterozygotic and homozygotic for the Met variant. This effect of rs4680 is similar to its observed influence on response to serotonergic and noradrenergic drug treatments in major depressive disorder. This is the first study reporting an influence of rs4680 on antidepressant response in bipolar depression. This finding supports the hypothesis of a major role for catecholamines in the mechanism of action of chronotherapeutics, and for rs4680 in modulating this effect.

Original languageEnglish
Pages (from-to)68-72
Number of pages5
JournalJournal of Affective Disorders
Volume121
Issue number1-2
DOIs
Publication statusPublished - Feb 2010

Fingerprint

Catechol O-Methyltransferase
Sleep Deprivation
Phototherapy
Bipolar Disorder
Antidepressive Agents
Major Depressive Disorder
Serotonin Agents
Catecholamines
Inpatients
Dopamine
Norepinephrine
Sleep
Light
Enzymes
Genes
Therapeutics

Keywords

  • Bipolar disorder
  • COMT
  • Dopamine
  • Light therapy
  • Major depression
  • Norepinephrine
  • Sleep deprivation

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Clinical Psychology

Cite this

Acute antidepressant response to sleep deprivation combined with light therapy is influenced by the catechol-O-methyltransferase Val(108/158)Met polymorphism. / Benedetti, Francesco; Barbini, Barbara; Bernasconi, Alessandro; Fulgosi, Mara Cigala; Dallaspezia, Sara; Gavinelli, Chiara; Locatelli, Clara; Lorenzi, Cristina; Pirovano, Adele; Radaelli, Daniele; Smeraldi, Enrico; Colombo, Cristina.

In: Journal of Affective Disorders, Vol. 121, No. 1-2, 02.2010, p. 68-72.

Research output: Contribution to journalArticle

Benedetti, Francesco ; Barbini, Barbara ; Bernasconi, Alessandro ; Fulgosi, Mara Cigala ; Dallaspezia, Sara ; Gavinelli, Chiara ; Locatelli, Clara ; Lorenzi, Cristina ; Pirovano, Adele ; Radaelli, Daniele ; Smeraldi, Enrico ; Colombo, Cristina. / Acute antidepressant response to sleep deprivation combined with light therapy is influenced by the catechol-O-methyltransferase Val(108/158)Met polymorphism. In: Journal of Affective Disorders. 2010 ; Vol. 121, No. 1-2. pp. 68-72.
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