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The objective of the study is to evaluate the efficacy of allopurinol, compared to placebo, as add-on to mood stabilizers and/or antipsychotic in the treatment of patients with bipolar disorder, in a manic episode.
An emerging body of evidence supports a role for dysfunctional purinergic related neurotransmission in mood disorders [1, 2]. Adenosine agonists have been shown to have properties similar to those of dopamine antagonists and there is a well characterized antagonistic interaction between adenosine and dopamine receptors in the ventral striatum. Increased adenosynergic transmission has been demonstrated to reduce the affinity of dopamine agonists for dopamine receptors. It has been theorized that adenosine may exert some of its antipsychotic effects through modulation of glutamatergic transmission.
Two double-blind, randomized, add-on, placebo-controlled trials comparing allopurinol and placebo in acute mania have showed statistically significant greater improvements in YMRS scores in the allopurinol vs. placebo groups. These empiric data, together with the theoretical and basic science background cited, provide the impetus for this proposed study.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Treatment
Beer-Yaakov Mental Health Center
Not yet recruiting
Sheba Medical Center
Published on BioPortfolio: 2014-08-27T03:15:00-0400
The purpose of this study is to investigate the efficacy of allopurinol as an augmentation agent for treatment resistant mania and mixed mania.
To evaluate safety and efficacy of BCX4208 alone and in combination with allopurinol in subjects with gout.
The purpose of this study is to investigate the efficacy of allopurinol as an augmentation agent for the prevention of mania in bipolar disorder patients with currently stable mood.
To compare the proportion of subjects whose serum urate (sUA) levels are < 6.0 mg/dL following 4 weeks of continuous treatment of RDEA594 in combination with allopurinol to allopurinol alo...
The objective of the study is to evaluate the efficacy of allopurinol, compared to placebo, as add-on to anti-psychotics in the treatment of patients with schizophrenia.
Allopurinol is a xanthine oxidase inhibitor commonly used in the treatment of gout. Recent studies have also shown its promise as an adjunctive treatment for manic episodes in bipolar 1 disorder, poss...
Allopurinol hypersensitivity syndrome (AHS) is a severe and sometimes life-threatening adverse drug reaction. Although AHS is rare, the number of patients with gout requiring allopurinol is high, and ...
Gout patients do not routinely achieve optimal outcomes related in part to suboptimal administration of urate lowering therapy (ULT) including first-line xanthine oxidase inhibitors allopurinol or feb...
ABCG2 rs2231142 (Q141K) has been reported to be associated with poor response to allopurinol, while there are conflicting data on the association between the genetically independent ABCG2 rs10011796 v...
Despite the reported reduction in blood pressure in hypertensive patients treated with allopurinol, the mechanism of the allopurinol hypotensive effect is still unclear. In the current study, the hypo...
A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms.
Misunderstanding among individuals, frequently research subjects, of scientific methods such as randomization and placebo controls.
A butyrophenone with general properties similar to those of HALOPERIDOL. It is used in the treatment of PSYCHOSES including MANIA and SCHIZOPHRENIA. (From Martindale, The Extra Pharmacopoeia, 30th ed, p621)
An effect usually, but not necessarily, beneficial that is attributable to an expectation that the regimen will have an effect, i.e., the effect is due to the power of suggestion.
Agents that are used to treat bipolar disorders or mania associated with other affective disorders.
Depression is a serious mental health condition, where sad feelings carry on for weeks or months and interfere with your life. The symptoms include feeling unhappy most of the time (but may feel a little better in the evenings), loosing interest in lif...
Bipolar disorder, also known as manic-depressive illness, is a brain disorder that causes unusual shifts in mood, energy, activity levels, and the ability to carry out day-to-day tasks. Over half of Bipolar cases develops before the age of 25. Bipolar ...
Of all the types of Dementia, Alzheimer's disease is the most common, affecting around 465,000 people in the UK. Neurons in the brain die, becuase 'plaques' and 'tangles' (mis-folded proteins) form in the brain. People with Al...