Simpson-Angus Scale

Simpson-Angus Scale

A 10-item testing instrument used to evaluate drug-related extrapyramidal syndromes.
 
Items in SAS
Gait, arm dropping, shoulder shaking, elbow rigidity, wrist rigidity, leg pendulousness, head dropping, glabella tap, tremor, salivation.
 
Range of scores
0–40; increased scores indicate increased severity.

Simpson-Angus Scale

Pharmacology A testing instrument–range of scores, 0–40, ↑ scores indicate ↑ severity, for evaluating drug-related extrapyramidal syndromes. See Extrapyramidal syndrome.
References in periodicals archive ?
Current smokers displayed significantly less Parkinsonism (Lower Simpson-Angus Scale scores) but higher levels of akathisia (higher Barnes Akathisia Rating Scale Scores).
Smokers displayed significantly less antipsychoticinduced Parkinsonism as measured by the Simpson-Angus Scale.
In addition, 7% experienced treatment-emergent extrapyramidal symptoms as defined by a Simpson-Angus Scale score of 3 or less at baseline rising to greater than 3 on treatment.
Extrapyramidal symptoms were evaluated using the Simpson-Angus scale (Simpson and Angus 1979), Barnes Akathisia scale (Barnes 1989), and abnormal involuntary movement scale (AIMS) (National Institute of Mental Health 1976b).
Participants will be randomized to 100 mg/day of amisulpride or placebo for 12 weeks, with the primary outcomes being change in the Brief Psychiatric Rating Scale, a quality of life measure, and the Simpson-Angus Scale of Parkinsonian symptoms.
At the same time, they assessed adverse events using the Simpson-Angus Scale, Barnes Akathisia Rating Scale, and the Abnormal Involuntary Movement Scale.