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1. An ambulatory activity monitor with solid-state memory was employed to obtain 24-hour activity data in 29 neuroleptic-treated hospitalized patients and 9 normal controls. 2. The activity monitor is a piezoelectric device which was strapped to the non-dominant ankle. Activity was recorded in 5-minute epochs throughout the 24-hour period. 3. In contrast to(More)
A rating scale for tardive dyskinesia was developed, consisting of nearly all signs seen by two groups of investigators over a 5-year period. Thirty-four items were included in the scale with a possibility of writing in idiosyncratic signs. The scale was shown to have good reliability and validity in studies carried out by both the New York and Boston(More)
The authors conducted a double-blind, controlled study to test the behavioral, affective, and neurological effects of antiparkinson drug discontinuation. Patients were evaluated at baseline and at 2 and 4 weeks. Of 24 placebo patients 9 left the study early because of adverse effects; none of the 8 patients in the antiparkinsonian group did so. The placebo(More)
Benztropine mesylate (intravenous [IV] and oral) challenge was compared with brief neuroleptic withdrawal on dyskinesia ratings and symptom measures. Thirty-six neuroleptic-treated patients underwent a placebo-controlled acute IV challenge with 2 mg benztropine and a placebo-controlled two-week trial of oral benztropine mesylate (2 mg three times a day),(More)
The serious long-term complications of maintenance antipsychotic therapy led the authors to undertake a critical review of outpatient withdrawal studies. Key findings included the following: 1) for a least 40% of outpatient schizophrenics, drugs seem to be essential for survival in the community; 2) the majority of patients who relapse after drug withdrawal(More)
The weight-reducing property of molindone, a recently introduced antipsychotic drug, was tested in 9 hospitalized chronic schizophrenic patients. There was an average weight loss of 7.6 kg after 3 months on molindone; most of the loss occurred during the first month. The mechanism producing this weight loss is uncertain, but a central anorexigenic effect(More)
Public health concern over tardive dyskinesia has been rising, but the magnitude of the problem has been undetermined. The incidence of tardive dyskinesia is unknown, and prevalence rates yield conflicting and possibly misleading estimates. The natural course of tardive dyskinesia is highly variable: in some patients (probably many fewer than previously(More)
A 5-year follow-up investigation of TD was carried out in 85 Hungarian schizophrenic out-patients. No substantial changes occurred during the 5 years in pharmacotherapy: most patients continued on neuroleptics and antiparkinson drugs. Comparison of 1978 and 1983 ratings revealed increased dyskinesia scores, which was statistically significant on the DRS(More)
Benzodiazepines have several advantages over other antidyskinetic drugs in treating tardive dyskinesia. The authors conducted a controlled study of clonazepam versus the active placebo of phenobarbital in 21 psychiatric patients with tardive dyskinesia. Both drugs significantly reduced dyskinetic movements: clonazepam had a stronger effect on orofacial(More)