Jet lag, circadian rhythm sleep disturbances, and depression: the role of melatonin and its analogs.

Venkatramanujam Srinivasan, Jarnail Singh, Seithikurippu R Pandi-Perumal, Gregory M Brown, David Warren Spence, Daniel P Cardinali

Advances in therapy 2010 Nov

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Traveling through several time zones results in a constellation of symptoms known as jet lag. These include reduced alertness, daytime fatigue, loss of appetite, reduced cognitive skills, and disruption of the sleep/wake cycle. In susceptible air travel passengers, jet lag may exacerbate affective illness and result in psychiatric morbidity. Dysregulation of circadian rhythms and melatonin secretion represent the common underlying factor in jet lag and other circadian disorders. Recent studies have established the effectiveness of strategically timed administration of melatonin and appropriate timed exposure to environmental schedules including light in counteracting the dysregulation (chronobiologic actions). With the introduction of melatonergic agonists such as ramelteon and tasimelteon, which have both a stronger affinity for MT₁ and MT₂ melatonin receptors and a longer half-life, new therapeutic options now exist for treating the sleep disturbances associated with jet lag. The melatonin analogs are unique inasmuch as they can also enhance daytime alertness. The recently introduced melatonergic antidepressant agomelatine, which has established its supremacy over other antidepressants in having a significant chronobiologic activity, represents a good choice for treating depressive symptoms that are associated with jet lag.

Citation

Venkatramanujam Srinivasan, Jarnail Singh, Seithikurippu R Pandi-Perumal, Gregory M Brown, David Warren Spence, Daniel P Cardinali. Jet lag, circadian rhythm sleep disturbances, and depression: the role of melatonin and its analogs. Advances in therapy. 2010 Nov;27(11):796-813