However, after approximately 2 months of treatment he received tw

However, after approximately 2 months of treatment he received two ‘red alert’ neutrophil levels over 2 days and clozapine was discontinued. This was followed by an immediate deterioration of Mr Z’s mental state, including the re-emergence of command hallucinations to kill. Although Mr Z continued to be treated with alternative antipsychotic

agents he remained guarded and complained of ongoing hallucinations with associated homicidal thoughts and fantasies. This culminated in a serious assault on a member of staff with a fashioned weapon. Inhibitors,research,lifescience,medical Treatment with high doses of a second-generation antipsychotic resulted in some improvement in the intensity of Mr Z’s psychotic symptoms. However, he retained a troubling and pervasive sense of paranoia and continued to describe violent fantasies and preoccupations. In definitely discussion with Mr Z it was decided Inhibitors,research,lifescience,medical that a retrial of clozapine would be warranted in light of the initial positive response and the highly worrying behaviour associated with his psychotic symptoms. He was able to give informed consent for this intervention, including the use of G-CSF in the event of neutropenia. A specialist haematological review indicated that Mr Z presented with a low baseline neutrophil level, similar to the pattern seen in benign ethnic neutropenia, although Mr Z is of white Inhibitors,research,lifescience,medical British origin.

All relevant investigations were conducted and these revealed no underlying, treatable cause of neutropenia. In conjunction with this apparent idiopathic low neutrophil count it was considered likely that Mr Z’s previous ‘red alerts’ were Inhibitors,research,lifescience,medical http://www.selleckchem.com/products/BAY-73-4506.html induced by the clozapine. As such it was considered that G-CSF treatment should be considered rather than lithium due to the risk of clozapine-induced agranulocytosis with lithium [Gerson et al. 1991; Whiskey and Taylor, 2007; Valevski et al. 1993]. Due to this relatively low baseline neutrophil level Mr Z was started first on filgrastim (G-CSF) in December 2009 with the Inhibitors,research,lifescience,medical aim of prophylactically boosting his count. After three weekly doses of 30 million units his

neutrophil level was considered robust enough to commence clozapine, which was done in early January 2010. He responded Drug_discovery as he had previously done to the clozapine, with a rapid reduction in his symptoms. He again experienced side effects including hypersalivation and constipation which responded to adjunct pharmacological treatment. Several days after initiation of clozapine he received another low neutrophil level (an ‘amber’ blood result) and was given another 30 million units of filgrastim with good effect. Over the following 2 weeks he required filgrastim on two further occasions, each time boosting his neutrophil count into an acceptable range. Within 3 weeks he reported a significant reduction in his paranoia and feeling ‘clearer headed’ and more relaxed on the ward.

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