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Minocycline and celecoxib as adjunctive treatments for bipolar depression: a study protocol for a multicenter factorial design randomized controlled trial.

ABSTRACT: BACKGROUND:Evidence suggests that the use of anti-inflammatory agents may improve depressive symptoms in patients with bipolar affective disorder. However, there are few well-designed clinical trials demonstrating the efficacy of these newer treatment strategies. PATIENTS AND METHODS:This is a multicenter, 3-month, randomized, placebo-controlled, double-blind, factorial design trial of minocycline and/or celecoxib added to TAU for the treatment of depressive symptoms in patients experiencing a DSM-5 bipolar I or II disorder and a current major depressive episode. A total of 240 participants will undergo screening and randomization followed by four assessment visits. The primary outcome measure will be mean change from baseline to week 12 on the Hamilton Depression Scale scores. Clinical assessments using the Clinical Global Impression scale, Patient Health Questionnaire-9, and the Generalized Anxiety Disorder 7-item scale will be carried out at every visit as secondary outcomes. Side-effect checklists will be used to monitor the adverse events at each visit. Complete blood count and plasma C-reactive protein will be measured at baseline and at the end of the treatment. Minocycline will be started at 100 mg once daily and increased to 200 mg at 2 weeks. Celecoxib will be started at 200 mg once daily and increased to 400 mg at 2 weeks. DISCUSSION:Anti-inflammatory agents have been shown to be potentially efficacious in the treatment of depressive symptoms. The aim of this study is to determine whether the addition of minocycline and/or celecoxib to TAU improves depressive symptoms in patients with bipolar affective disorder.

SUBMITTER: Husain MI

PROVIDER: S-EPMC5182039 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Minocycline and celecoxib as adjunctive treatments for bipolar depression: a study protocol for a multicenter factorial design randomized controlled trial.

Husain Muhammad I MI Chaudhry Imran B IB Hamirani Munir M MM Minhas Fareed A FA Kazmi Ajmal A Hodsoll John J Haddad Peter M PM Deakin John Fw JF Husain Nusrat N Young Allan H AH

Neuropsychiatric disease and treatment 20161219

<h4>Background</h4>Evidence suggests that the use of anti-inflammatory agents may improve depressive symptoms in patients with bipolar affective disorder. However, there are few well-designed clinical trials demonstrating the efficacy of these newer treatment strategies.<h4>Patients and methods</h4>This is a multicenter, 3-month, randomized, placebo-controlled, double-blind, factorial design trial of minocycline and/or celecoxib added to TAU for the treatment of depressive symptoms in patients e ...[more]

PMID: 28031712

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Project description:BACKGROUND:Some, but not all, prior investigations suggest armodafinil may have utility as an adjunctive treatment in bipolar I depression. METHODS:Multicenter, randomized, double-blind study in patients aged 18 to 65 years experiencing a depressive episode despite maintenance therapy for bipolar I disorder. Patients were randomized to receive adjunctive armodafinil 150 mg/day or adjunctive placebo for 8 weeks. Primary efficacy outcome was change from baseline in 30-Item Inventory of Depressive Symptomatology-Clinician-Rated (IDS-C30) total score at week 8. Safety and tolerability were monitored. RESULTS:Of 656 patients screened, 399 were randomized, of whom 308 (77 %) were taking a protocol-allowed mood stabilizer as monotherapy. The primary efficacy outcome did not reach statistical significance; however, several secondary efficacy outcomes demonstrated statistically significant advantages for adjunctive armodafinil (n = 197) over adjunctive placebo (n = 196), including Clinical Global Impression of Severity of Illness for depression (weeks 6, 8, and endpoint; all P < 0.05), Global Assessment of Functioning (weeks 4, 8, and endpoint; all P < 0.02), IDS-C30 remitter rates (week 8 and endpoint; both P < 0.02), and mean change from baseline in IDS-C30 total score at week 7 (P < 0.05). Adjunctive armodafinil and adjunctive placebo were generally well tolerated. Although adjunctive armodafinil compared with adjunctive placebo yielded a higher headache rate (15 vs 8 %), it yielded similar (generally favorably low) rates of all-cause discontinuation (16 vs 16 %), adverse event discontinuation (4 vs 5 %), nausea (6 vs 4 %), ≥7 % weight gain (2 vs 5 %), anxiety (4 vs 3 %), insomnia (3 vs 2 %), sedation/somnolence (1 vs 1 %), and hypomania (0 vs <1 %). CONCLUSIONS:In this study, adjunctive armodafinil compared with adjunctive placebo in bipolar I depression did not separate in the primary efficacy outcome but demonstrated advantages for several secondary efficacy outcomes and was generally well tolerated. Additional research is warranted and necessary to better identify clinical predictors (e.g., atypical depressive symptoms, specific anti-manic/mood-stabilizing agents used) that would provide optimized, individualized therapeutics for bipolar depression. TRIAL REGISTRATION:ClinicalTrials.gov: NCT01305408.

Project description:New medication classes are needed to improve treatment effectiveness in the depressed phase of bipolar disorder (BD). Extant evidence suggests that BD is characterised by neural changes such as dendritic remodelling and glial and neuronal cell loss. These changes have been hypothesised to result from chronic inflammation. The principal aims of the proposed research is to evaluate the antidepressant efficacy in bipolar depression of minocycline, a drug with neuroprotective and immune-modulating properties, and of aspirin, at doses expected to selectively inhibit cyclooxygenase 1 (COX-1).120 outpatients between 18 and 55 years of age, who meet DSM-IV-TR criteria for BD (type I or II) and for a current major depressive episode will be recruited to take part in a randomised, double-blind, placebo-controlled, parallel-group, proof-of-concept clinical trial following a 2×2 design. As adjuncts to existing treatment, subjects will be randomised to receive one of the four treatment combinations: placebo-minocycline plus placebo-aspirin, active-minocycline plus placebo-aspirin, placebo-minocycline plus active-aspirin or active-minocycline plus active-aspirin. The dose of minocycline and aspirin is 100 mg twice daily and 81 mg twice daily, respectively. Antidepressant response will be evaluated by assessing changes in the Montgomery-Asberg Depression Rating Scale scores between baseline and the end of the 6-week trial. As secondary outcome measures, the anti-inflammatory effects of minocycline and aspirin will be tested by measuring pre-treatment and post-treatment levels of C reactive protein and inflammatory cytokines.Minocycline has been widely used as an antibiotic in doses up to 400 mg/day. Low-dose aspirin has been safely used on a worldwide scale for its role as an antithrombotic and thrombolytic. The study progress will be overseen by a Data, Safety and Monitoring Board, which will meet once every 6 months. Results of the study will be published in peer-reviewed publications.Clinical Trials.gov: NCT01429272.

Project description:Clozapine is the most effective antipsychotic for treatment refractory people with schizophrenia, yet many patients only partially respond. Accumulating preclinical and clinical data suggest benefits with minocycline. We tested adjunct minocycline to clozapine in a 10-week, double-blind, placebo-controlled trial. Primary outcomes tested were positive, and cognitive symptoms, while avolition, anxiety/depression, and negative symptoms were secondary outcomes.Schizophrenia and schizoaffective participants (n = 52) with persistent positive symptoms were randomized to receive adjunct minocycline (100 mg oral capsule twice daily; n = 29) or placebo (n = 23).Brief Psychiatric Rating Scale (BPRS) psychosis factor (P = 0.098; effect size [ES], 0.39) and BPRS total score (P = 0.075; ES, 0.55) were not significant. A change in total BPRS symptoms of more than or equal to 30% was observed in 7 (25%) of 28 among minocycline and 1 (4%) of 23 among placebo participants, respectively (P = 0.044). Global cognitive function (MATRICS Consensus Cognitive Battery) did not differ, although there was a significant variation in size of treatment effects among cognitive domains (P = 0.03), with significant improvement in working memory favoring minocycline (P = 0.023; ES, 0.41). The Scale for the Assessment of Negative Symptoms total score did not differ, but significant improvement in avolition with minocycline was noted (P = 0.012; ES, 0.34). Significant improvement in the BPRS anxiety/depression factor was observed with minocycline (P = 0.028; ES, 0.49). Minocycline was well tolerated with significantly fewer headaches and constipation compared with placebo.Minocycline's effect on the MATRICS Consensus Cognitive Battery composite score and positive symptoms were not statistically significant. Significant improvements with minocycline were seen in working memory, avolition, and anxiety/depressive symptoms in a chronic population with persistent symptoms. Larger studies are needed to validate these findings.

Dataset Information

Minocycline and celecoxib as adjunctive treatments for bipolar depression: a study protocol for a multicenter factorial design randomized controlled trial.

Publications

Minocycline and celecoxib as adjunctive treatments for bipolar depression: a study protocol for a multicenter factorial design randomized controlled trial.

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