How Assess Drugs in the Treatment of Acute Bipolar Mania?

How Assess Drugs in the Treatment of Acute Bipolar Mania?

Filed under: Depression Treatment

Front Pharmacol. 2013; 4: 4
Bourin M, Thibaut F

Bipolar affective disorder is a serious mental disease associated with significant morbidity and mortality. Good-quality research available to guide treatment strategies remains insufficient, particularly with regard to manic or hypomanic episodes. A critical review of the various stages of mania might be helpful for pharmaceutical companies and investigators as a prerequisite for the clinical evaluation of potential antimanic properties of medications. The main difficulty is with a comparison between anticonvulsants, antipsychotics, and mood stabilizers such as lithium (with equal efficacy in the acute phase and the prevention of recurrent manic episodes). No consensus has been reached with regard to the treatment of bouts of acute mania in various parts of the world. Controlled clinical trials have, at last, provided irrefutable evidence of the activity of lithium, which has long been used alone, as well as that of divalproate or its derivatives and, to a lesser extent, carbamazepine. The new antipsychotic agents have more recently established their efficacy, especially aripiprazole, asenapine, quetiapine; olanzapine, risperidone, and ziprasidone (not sure where the paradox is). In Europe, haloperidol is still the reference substance used in clinical trials despite the fact that it is not officially indicated in the treatment of mania. In the USA, lithium, divalproate, or antipsychotics can be prescribed as first-line treatment. In Europe, lithium remains the first-line medication, whereas divalproate and atypical antipsychotic agents are used only as second-line therapy. Although both types of medication (antipsychotics, normothymic agents, and/or anticonvulsants) have proved to be clinically effective in the management of mania by reducing the mania scores overall, the same does not apply, however, to all symptoms of mania. Factorial approaches to mania have all shown that since there are several clinical forms of mania, several clusters of manic symptoms can be identified. Antipsychotic and normothymic agents and/or anticonvulsants do not appear to have the same effects on each of these identifiable clusters of symptoms, mainly psychotic features. We believe that it is vitally important for future clinical trials of mania treatment to focus on the treatment effect by adopting a factorial approach to characterization of the episode using an appropriate methodological structure. These questions highlight the uncertainty shrouding the very structure of manic episodes, namely that these are predominantly of a thymic or psychotic nature. The Europeans undoubtedly consider mania to be more of a thymic episode and prefer lithium as the first-line treatment, whereas the Americans believe that psychotic symptoms dominate and widely prescribe antipsychotic agents. However, from the standpoint of clinical trials currently available, even though antipsychotic agents are certainly effective in reducing the scores on the mania scales, it is not clear whether they can be considered purely as antimania treatments.
HubMed – depression

Insomnia and Epilepsy: A Questionnaire-Based Study.

Filed under: Depression Treatment

J Clin Sleep Med. 2013; 9(2): 141-146
Vendrame M, Yang B, Jackson S, Auerbach SH

STUDY OBJECTIVES: Although disturbed sleep has been frequently reported in patients with seizures, little is known about insomnia and epilepsy. The aims of this study were (1) to analyze the prevalence and degree of insomnia in patients with epilepsy, (2) to examine the clinical features and correlates of insomnia in these patients, and (3) to evaluate the impact of poor sleep on their quality of life. METHODS: One hundred-fifty-two patients with epilepsy (mean age 46 years) completed the following questionnaires: Insomnia Severity Index, Pittsburgh Sleep Quality Index, Beck Depression Inventory-II, Quality of Life in Epilepsy Inventory-31. Patients with other known sleep disorders, including obstructive sleep apnea, were excluded from the study. Regression analysis was conducted for adjusting for age, years since epilepsy onset, number of antiepileptic drugs, comorbidities, and depression scores. RESULTS: More than half of the participants (55%) suffered from insomnia and more than 70% were “poor sleepers.” Insomnia and poor sleep quality were significantly correlated with the number of antiepileptic medications and scores of depressive symptoms. After controlling for covariates, insomnia and poor sleep quality were significant predictors of lower quality of life. CONCLUSION: These results suggest that insomnia and poor sleep are common in patients with epilepsy and may adversely impact quality of life. Further studies should examine whether improvements in sleep can improve seizure control and quality of life of these patients. CITATION: Vendrame M; Yang B; Jackson S; Auerbach SH. Insomnia and epilepsy: a questionnaire-based study. J Clin Sleep Med 2013;9(2):141-146.
HubMed – depression

Nightmares and Dysfunctional Beliefs about Sleep Mediate the Effect of Insomnia Symptoms on Suicidal Ideation.

Filed under: Depression Treatment

J Clin Sleep Med. 2013; 9(2): 135-140
McCall WV, Batson N, Webster M, Case LD, Joshi I, Derreberry T, McDonough A, Farris SR

STUDY OBJECTIVES: Many studies have reported a positive association between sleep problems and suicidal ideation. Some prospective studies in the elderly have shown that insomnia is a risk factor for suicide death after controlling for other depressive symptoms. However, hypotheses to explain how this risk is mediated have not previously been assessed. We tested the hypothesis that insomnia symptoms are related to suicidal ideation through mediation by dysfunctional beliefs and attitudes about sleep and/or nightmares. METHODS: We measured symptoms of depression, hopelessness, insomnia severity, dysfunctional beliefs and attitudes about sleep, nightmares, and suicidal ideation intensity on a convenience sample of 50 patients with depressive disorders, including 23 outpatients, 16 inpatients, and 11 suicidal ED patients. Mediation analysis was used to assess the indirect effects of insomnia symptoms on suicidal ideation through dysfunctional beliefs about sleep and through nightmares. RESULTS: Our findings again confirmed a positive association between insomnia symptoms and the intensity of suicidal ideas in depressed patients (b = 0.64, 95% CI = [0.14, 1.15]). However, we extended and clarified our earlier findings by now showing that dysfunctional beliefs and attitudes about sleep as well as nightmares may mediate the association between insomnia symptoms and suicidal ideation. The indirect effects of insomnia symptoms through dysfunctional beliefs about sleep and through nightmares were 0.38 (-0.03, 0.97) and 0.35 (0.05, 0.75), respectively. CONCLUSIONS: Nightmares as well as dysfunctional beliefs and attitudes about sleep each are positively and independently related to the intensity of suicidal ideation, and the effect of insomnia symptoms appears to be mediated through these two variables. CITATION: McCall WV; Batson N; Webster M; Case LD; Joshi I; Derreberry T; McDonough A; Farris SR. Nightmares and dysfunctional beliefs about sleep mediate the effect of insomnia symptoms on suicidal ideation. J Clin Sleep Med 2013;9(2):135-140.
HubMed – depression

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