Moclobemide and Selegeline in the Treatment of Depression In
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J Neurol Neurosurg Psychiatry: first published as 10.1136/jnnp.63.4.547 on 1 October 1997. Downloaded from Journal of Neurology, Neurosurgery, and Psychiatry 1997;63:547–558 547 Before treatment tients in this study was too small to give 35 robust answers in this respect. LETTERS TO After treatment Tyramine restriction during combined 30 MAO inhibition is inconvenient. But if THE EDITOR further studies confirm the additional efficacy 25 of combined MAO-A and MAO-B inhibi- tion, then this hindrance is justifiable. 20 * ERNSTNHJANSEN STEUR Moclobemide and selegeline in the 15 Department of Neurology LEO A P BALLERING treatment of depression in Parkinson’s 10 disease Department of Clinical Chemistry, MST Hospital, 5 Enschede, The Netherlands Monoamine oxidase (MAO) is the predomi- Hamilton depression score Correspondence to: Dr ENHJansenSteur, nant enzyme implied in the catabolism of the 0 Department of Neurology, Hospital Medisch Spec- Moclobemide Moclobemide trum Twente, PO Box 50.000, 7500 KA, Enschede, monoamines dopamine, noradrenaline, and and 1 The Netherlands. Telephone +31 53 4872000; fax serotonin. Dopamine is a substrate for both selegeline +31 53 4873100. isoforms of MAO: the extraneuronal MAO-B; and MAO-A which is found both extraneuro- Intensity of depression before and after treatment 2 with moclobemide or moclobemide and 1 DaPrada M, Zürcher G, Wüthrich I, Haefely nally and intraneuronally. Intraneuronal selegeline. MAO-A is active for dopamine, noradrena- WE. On tyramine, food, beverages and the reversible MAO inhibitor moclobemide. J line, and serotonin, which have a paramount Neural Transm 1988;8(suppl 26):31–56. influence in the pathogenesis of depression. 1.8 hours, and in the MOSES group with 5.2 2 Youdim MBH, Riederer P. Dopamine metabo- The combination of MAO-A and MAO-B hours. This diVerence was not significant lism and neurotransmission in primate brain in relationship to monoamine oxidase A and B inhibition results in a strong increase of both (P=0.671, two sample t test). Baseline clinicians’ rating of depression inhibition. JNeuralTransm1993;91:181–96. dopamine, noradrenaline, and serotonin. De- 3 Lees AJ. on behalf of the Parkinson’s Disease pression is the most frequent psychopatho- (HDRS) was not diVerent between the two Research Group of the United Kingdom. logical finding in Parkinson’s disease. groups. After six weeks, however, the im- Comparison of therapeutic eVects and provement of depression in the MO group mortality data of levodopa and levodopa com- In this study we compared moclobemide was significantly less than in the MOSES bined with selegeline in patients with early, monotherapy with combined therapy with mild Parkinson’s disease. BMJ 1995;311: group (P=0.0029; two sample test, figure). moclobemide and selegeline, under tyramine t 1602–7. The main phenomenology of the depres- 4 Sieradzan K, Channon S, Ramponi C, Stern restriction. sive illness was a depressed mood with GM, Lees AJ, Youdim MBH. The therapeutic Ten patients with idiopathic Parkinson’s potential of moclobemide, a selective monoam- psychomotor retardation. disease of two to 15 years in duration ine oxidase A inhibitor in Parkinson’s disease. J The scores of MMSE disclosed no diVer- 1995; (suppl 2):51S– contributed to the study. The actions of Clin Psychopharmacol 15 ences in both groups at entry in the study. At 59S. moclobemide and selegeline were described the end of the study the score was unchanged 5 Takats A, Tarczy N, Simo M, Szombathely E, in the informed consent. Inclusion criteria Bodrogi A, Karpati R. Moclobemide/aurix in the MO group, and there was a slight but were Parkinson’s disease disability Hoehn treatment in Parkinson’s disease with depres- significant increase of MMSE score in the sion. New Trends in Clinical Neuropharmacology and Yahr stages II-IV, major depression using MOSES group (P=0.0479; two sample t 1994;8:260. 6 Knegtering H, Eyck M, Huysman P. EVects of DSM III.R criteria, mini mental state test). examination (MMSE) score of 21 or above, antidepressants on cognitive functioning of There was no increase in blood pressure. In elderly patients. Drugs Aging 1994;5:192–9. and self recorded “on-oV” patient diaries. A both groups one patient reported sympto- 7 Roth M, Mountjoy CQ, Amrein R. Mo- cut-oV point of 21 on MMSE score was used matic hypotension. clobemide in elderly patients with cognitive to allow study of patients with Parkinson’s decline and depression. Br J Psychiatry 1996; The therapeutic potential of selective inhi- 168:145–57. disease without substantial cognitive impair- bition of MAO B with selegeline in Parkin- ment. All patients had been on optimal and son’s disease has been documented for many stable dosage of antiparkinson medication years, with a clear capacity to postpone the Brain biopsy and patients with atypical during the previous three months. need for levodopa in early Parkinson’s presentations of sporadic Creutzfeldt- The present major depression had a dura- disease. The neuroprotective properties of Jakob disease http://jnnp.bmj.com/ tion of three to 15 months. Antidepressant selegeline are controversial or inconclusive.3 medical treatment had not been initiated in Selective MAO-A inhibition in Parkinson’s Brain biopsy, or meningeal biopsy, or both are any of these 10 patients before entering this disease has not been examined in detail. Sier- performed to exclude treatable neuropatho- study. adzan et al4 found a mild symptomatic eVect logical disorders in a range of cases in which Moclobemide (600 mg) with or without of moclobemide in non-depressed patients clinical, neuroradiological, and other investi- selegeline (10 mg) was administered during with Parkinson’s disease. Takats et al5 re- gative findings fail to define a diagnosis. The the six week study period. Regular antipar- ported an antidepressant eVect of mo- description of a new clinicopathological vari- kinson medication was kept unchanged. Fol- clobemide in depressed patients with Parkin- ant of Creutzfeldt-Jakob disease shows that stein’s mini mental state examination score, son’s disease. Moclobemide lacks some cases of this rare disease may present on September 26, 2021 by guest. Protected copyright. patients’ “on-oV” diaries during five days, anticholinergic and hepatotoxic eVects, and is atypically and the diagnosis in life may and the Hamilton depression rating scale even able to antagonise the cognitive impair- depend on brain biopsy.1 Although the (HDRS) for depression were assessed one ment resulting from cholinergic blockade.6 Department of Health guidelines on neuro- week before and after six weeks of treatment; The present study confirms the antidepres- surgical and ophthalmic operative procedures MMSE and HDRS were scored in the “on” sant eVects of moclobemide in depressed minimise any risk of subsequent iatrogenic state of motor response to levodopa. Patients patients with Parkinson’s disease. The combi- transmission 6% of cases of Creutzfeldt- were randomly assigned to moclobemide nation of moclobemide and selegeline, how- Jakob disease present with a stroke-like disor- monotherapy or to the combination of ever, did have a more pronounced eYcacy on der with equivocal clinical, electrophysiologi- moclobemide and selegeline. These two mood and cognitive performances. Increased cal, or neuroradiological support for the treatment groups are further referred to as concentrations of the monoamines by com- diagnosis.2 There is, therefore, the potential the MO group and the MOSES group. bined MAO inhibition is a plausible reason danger of iatrogenic transmission of Bradykinesia and start hesitation improved for the superior eYcacy of moclobemide/ Creutzfeldt-Jakob disease after inadvertent in six patients, one patient in the MO group selegeline treatment over monotherapy with brain biopsy of such patients. The Depart- and all patients in the MOSES group. Brady- moclobemide in depressed patients with Par- ment of Clinical Neurosciences in Edinburgh kinesia deteriorated in one patient (MO kinson’s disease. therefore, created a dedicated set of neuro- group). Tremor increased in four patients, The eVect of combined MAO inhibition on surgical instruments designated purely for one in the MO group and three in the the MMSE scores was significant. The influ- open brain biopsy. These instruments were MOSES group. ence of MAO-A and MAO-B inhibition on repacked and sterilised after each biopsy. There were no significant diVerences for cognitive functions is becoming of increasing This precaution was vindicated by the the percentage “on” hours per day between importance in recent years. The cognitive following case. the MO group and the MOSES group at improvement with moclobemide is parallel A 65 year old man presented with a history entry and at the end of study. Waking hours to, but independent from, the establishing of of headache for some months followed by the spent “on” increased in the MO group with antidepressant eVects.7 The number of pa- acute onset of expressive dysphasia and right J Neurol Neurosurg Psychiatry: first published as 10.1136/jnnp.63.4.547 on 1 October 1997. Downloaded from 548 Letters, Correspondence, Correction, Book reviews hemiparesis. There was subsequently some 1 Will GR, Ironside JW, Zeidler M, et al.Anew Transient global amnesia provides a model progression in the weakness and he was varient of Creutzfeld-Jakob disease in the UK. of severe, yet transient, amnesia.6–8 Findings Lancet 1996;347:921–5. admitted to hospital for investigation. There 2 McNaughton H, Will R. Creutzfeldt-Jakob dis- during transient global amnesia have con- was a history of previous stroke in June 1989 ease presenting as stroke. Analysis of 30 cases. firmed that there is a profound loss of antero- presenting with expressive dysphasia and Ann Neurol 1994;36:313. grade episodic memory for both verbal and 3 Hayward PAR, Bell JE, Ironside JW. Prion pro- non-verbal material, together with a variable hemiplegia which recovered completely over tein immunocytochemistry.