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Background: The association between circulating total testosterone (TT) levels and depressive symptoms remains unclear. We sought to determine the relationship between physiologically active bioavailable testosterone (BT) and depressive symptoms in middle-aged men with and without major depressive disorder (MDD)., Methods: We assessed and compared calculated BT levels in two groups of middle-aged men (40-65 years): untreated subjects meeting DSM-IV-TR-defined criteria for a major depressive episode as part of major depressive disorder (N=44) and a matched non-depressed control group (N=50)., Results: Depressed men had lower mean BT levels (3.51+/-1.69 vs. 4.69+/-2.04 nmol/L; p=0.008) and TT levels (11.94+/-4.63 vs. 17.64+/-1.02 nmol/L; p<0.001) when compared to the control group. Biochemical hypogonadism (i.e., BT level< or =2.4 nmol/L or TT level< or =12.14 nmol/L) was also more prevalent in depressed men vs. non-depressed controls (34% vs. 6%, p<0.001; 61% vs. 14%, p<0.001, respectively)., Conclusions: Changes in physiologically active BT concentration may be a vulnerability factor for depressive symptoms in middle-aged depressed men.

Quality of life is used to assess the overall impact of medical treatments from the patient's perspective. Because depression affects a person's ability to function at work and at home, the evaluation of various treatments must include an assessment of patients' physical, social and psychological status. This paper classifies and evaluates a variety of widely used health-related quality-of-life questionnaires that have potential value as outcome measures in the treatment of depression. The paper also outlines how these measures have been beneficial in the assessment of depressed patients. They reveal differences between patients with depression and control groups, are sensitive to change in status during treatment, have predictive value for outcome measures and provide additional information about timelines for improvement in psychosocial functioning, which may occur at a different rate than changes in other depressive symptoms. Despite the limitations of these questionnaires, they provide an important additional dimension to the evaluation of treatment with antidepressant medications.

Background: Recent reports suggest that adverse effects on sexual function occur in up to 50% of patients who are treated with selective serotonin reuptake inhibitor (SSRI) antidepressants. Previously cited low rates were more likely a function of underreporting than underoccurrence. There is less evidence about rates of dysfunction with serotonin-norepinephrine reuptake inhibitor (SNRI) and reversible inhibitor of monoamine oxidase A (RIMA) antidepressants. The purpose of this report is to evaluate disturbances in sexual drive/desire and arousal/orgasm in 107 patients who met criteria for major depressive disorder and received treatment with either moclobemide, paroxetine, sertraline, or venlafaxine., Method: All consenting eligible patients who met DSM-IV criteria for major depressive disorder completed the Sexual Functioning Questionnaire, version 1 (SFQ) and were assessed using the 17-item Hamilton Rating Scale for Depression (HAM-D) prior to and after 8 or 14 weeks of antidepressant therapy. Analyses were carried out to examine the effect of gender, drug type, pretreatment level of sexual dysfunction, and drug response on reported sexual dysfunction., Results: Compared with women, men experienced a significantly greater level of drug-related impairment in drive/desire (p < .05), whereas there were no statistically significant differences in levels of arousal/orgasm impairment between men and women. The reported impairment in drive/desire items for men ranged from 38% to 50% and from 26% to 32% for women. No differences were found across the 4 antidepressants in men, whereas in women, rates of dysfunction were generally higher with sertraline and paroxetine, but only significantly so in comparison with moclobemide on some measures (p < .03). Rates of sexual dysfunction with venlafaxine tended to fall between those of SSRIs and the RIMA agent. An unexpected relationship was found between favorable drug response and a decreased level of drug-induced sexual dysfunction., Conclusion: Antidepressant-induced sexual dysfunction occurs in approximately 30% to 70% of patients who are treated with sertraline or paroxetine. Lower rates are reported with moclobemide and venlafaxine. Clinicians should evaluate the various aspects of sexual dysfunction before and during antidepressant therapy.

Background: Decreased sexual interest and function both occur as a consequence of antidepressant medication use, and are especially associated with serotonin reuptake inhibitors (SRIs). However, few investigators have reported the base rate for disturbances in sexual desire, arousal and orgasm or ejaculation in patients with major depression (MD) prior to antidepressant treatment. The purpose of this report is to define the frequency of sexual dysfunction (SD) in 134 patients with MD and examine the relationship between SD and demographic, clinical and personality variables., Method: A consecutive series of 55 male and 79 female MD patients diagnosed by SCID-DSM IV assessment completed a series of psychometric measures including a Sexual Function Questionnaire, which asked about change in sexual interest and function as well as sexual activity during the preceding month., Results: Only 50% of women and 75% of men reported sexual activity during the preceding month. Over 40% of men and 50% of women reported decreased sexual interest. Reduced levels of arousal were more common in both men and women (40-50%) than ejaculatory or orgasm difficulties (15-20%). In women, problems with arousal and orgasm correlated with higher neuroticism and lower extraversion. There was no relationship between SD and personality measures in men. While age at onset of depression and number of prior episodes showed a modest correlation with SD measures, there were no correlations with severity of depression or specific symptoms clusters., Limitations and Conclusions: Although limited by a relatively small sample of drug free patients with MD, and by the absence of a non-depressed comparison sample, these results emphasize the importance of factors beyond specific drug effects in the assessment of antidepressant related sexual dysfunction.

In recent years, clinicians and epidemiologists have examined the differences between depressed patients in primary care and psychiatric settings. Although evidence to support antidepressant efficacy is largely derived from studies of major depression, many patients in primary care settings fall into "nonmajor" depression diagnostic categories. In deciding when to initiate treatment, functional change may be even more important than discrete symptom profiles. Recognizing and treating depression as a comorbid condition in patients with other medical illnesses represents an additional challenge for the primary care physician. Variations in the clinical presentation of depression based on gender, age, culture, or personality must also be considered.