Rationale: Recently, a number of studies have challenged the finding that acute tryptophan
depletion (TD) increases depressive symptoms in medicated, formerly depressed patients.
The present study examined the effects of acute nutritional TD on remitted depressed …

… Three patients also experienced temporary depressive symptoms when tryptophan depleted,
with no mood changes being … in panic disorder patients who have responded to treatment with
an SSRI … increased 5-HT availability is important in maintaining the response to SSRIs …

… Subjects. Abstract. Acute tryptophan depletion (ATD) induces depressive symptoms in 50-60%
of selective serotonin reuptake inhibitor (SSRI) treated, recovered depressed patients. However,
no reliable predictors of mood response to ATD have been established …

… is that the preclinical studies typically focus on the effects of acute administration of SSRIs …
serotonin would appear to be anxiolytic, with the therapeutic effects of SSRI only becoming … Acute
tryptophan depletion (ATD) was used to assess the effects of an acute decrease in …

… After the initial assessment, the subjects received standard open treatment with an SSRI …
Tryptophan depletion significantly increased both ΔSBP (p < .001) and ΔDBP (p < .01), but there
was no TD … explored the importance of 5-HT in mediating the clinical effect of SSRIs in the …

… Acute Tryptophan Depletion. Part II: Clinical Effects and Implications. Caroline J. Bell, Sean D.
Hood, and David J. Nutt. Australian & New Zealand Journal of Psychiatry 2016 39:7, 565-574.
Download Citation … Acute Tryptophan Depletion. Part II: Clinical Effects and Implications …

… We review here the rapid tryptophan depletion (RTD) methodology and its controversial
association with … RTD has been used over the past decade to deplete serotonin (5 … RTD reversed
the antidepressant effects of selective serotonin reuptake inhibitors (SSRIs) and monoamine …

… Table 1. Overview of the results of tryptophan depletion studies in psychiatric patients and healthy
volunteers a … Bremner et al., 1997, MDD, improved with SSRI. 19 Fluoxetine, 2 paroxe-, Relapse
group (n=7) … 2.5–13 months) dosage, reversal of REM-suppressing effects of SSRIs …

… Methods. Twenty patients treated with either SSRIs or CT underwent both rapid tryptophan
depletion and sham-depletion using a blinded crossover design … The differential worsening of
mood for the SSRI group compared with the CT group was significant on the BDI …

… Abstract: The administration of tryptophan (Trp)-free amino acid mixtures to depressed patients
responding to serotonin [5-hydroxytryptamine(5-HT)] uptake inhibitors (SSRIs) worsens their … The
treatment with the SSRI fluvoxamine signifi- cantly increased 5-HT content …