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On The Future Of Antidepressant Treatments: Targeting Neurotrophic Factors And Plasticity, Stephen W. White
On The Future Of Antidepressant Treatments: Targeting Neurotrophic Factors And Plasticity, Stephen W. White
Electronic Theses and Dissertations
For 60-plus years the explanatory model for Major Depressive Disorder (MDD) has been the monoamine theory, which states that low levels of monoamine neurotransmitters or alterations in their post-synaptic receptors are responsible for depressive symptoms. Drugs designed to elevate synaptic monoamine levels have remained the first line of pharmacotherapy prescribed by clinicians for MDD patients. However, these drugs have shortcomings. Despite evidence that current antidepressants elevate synaptic monoamine levels within hours of administration, these drugs require four to six weeks of daily administration before symptom relief appears. Furthermore, approximately half of patients taking typical antidepressants never achieve full symptom relief. …