The British journal of psychiatry : the journal of mental science · 1996
Large variations of plasma levels during maintenance treatment with depot neuroleptics.
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Tuninger E, Levander S
Аннотация
BACKGROUND: Stability of neuroleptic medication has been associated with optimal clinical effect and minimal side-effects. Depot administration is assumed to yield better stability.
METHOD: Thirty patients on depot neuroleptic treatment were followed during three years with repeated measurements of plasma level and concurrent ratings of clinical symptoms and side-effects.
RESULTS: Of 120 blood samples 35 (29%) measurements were outside +/-2 s.d. measurement error (expected 5%). Perphenazine levels were more variable (46%) than haloperidol (25%) and flupenthixol (12.5%). No relationship was found between side-effect ratings and fluctuations of plasma levels.
CONCLUSION: Depot neuroleptic medication does not eliminate a clinically unwanted and sometimes marked variation in plasma level.
METHOD: Thirty patients on depot neuroleptic treatment were followed during three years with repeated measurements of plasma level and concurrent ratings of clinical symptoms and side-effects.
RESULTS: Of 120 blood samples 35 (29%) measurements were outside +/-2 s.d. measurement error (expected 5%). Perphenazine levels were more variable (46%) than haloperidol (25%) and flupenthixol (12.5%). No relationship was found between side-effect ratings and fluctuations of plasma levels.
CONCLUSION: Depot neuroleptic medication does not eliminate a clinically unwanted and sometimes marked variation in plasma level.