[Determination of risperidone in human plasma by liquid chromatography-tandem mass spectrometry]. 2006

Xiao-tao Duan, and Xiao-yan Chen, and Yi-fan Zhang, and Da-fang Zhong
Center for Drug Metabolism Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China.

OBJECTIVE To develop and validate a liquid chromatographic-tandem mass spectrometric (LC-MS/MS) method for the determination of risperidone in human plasma. METHODS Risperidone and the internal standard, diphenhydramine, were isolated from plasma by liquid-liquid extraction with etherdichloromethane (3:2, v/v) , then chromatographed on a Zorbax Extend-C18 column (150 mm x 4.6 mm ID, 5 microm) using a mobile phase consisted of acetonitrile-water-formic acid (40:60: 0.5, v/v), at a flow rate of 0.7 mL x min(-1). A Finnigan TSQ tandem mass spectrometer equipped with atmospheric pressure chemical ionization source was used as detector and was operated in the positive ion mode. Selected reaction monitoring (SRM) using the precursor product ion combinations of m/z 411-->191 and m/z 256-->167 were used to quantify risperidone and diphenhydramine (IS) , respectively. RESULTS The linear concentration range of the calibration curve for risperidone was 0.025 - 50 microg L(-1). The lower limit of quantification was 0.025 microg x L(-1). The intra- and inter-day relative standard deviation (RSD) across three validation running over the entire concentration range was less than 7.1%. The accuracy was within +/- 3.8%. Each sample was chromatographed within 2.7 min. CONCLUSIONS The method was proved to be rapid, sensitive and suitable for pharmacokinetic investigations of risperidone.

UI MeSH Term Description Entries
D008297 Male Males
D012015 Reference Standards A basis of value established for the measure of quantity, weight, extent or quality, e.g. weight standards, standard solutions, methods, techniques, and procedures used in diagnosis and therapy. Standard Preparations,Standards, Reference,Preparations, Standard,Standardization,Standards,Preparation, Standard,Reference Standard,Standard Preparation,Standard, Reference
D002853 Chromatography, Liquid Chromatographic techniques in which the mobile phase is a liquid. Liquid Chromatography
D004155 Diphenhydramine A histamine H1 antagonist used as an antiemetic, antitussive, for dermatoses and pruritus, for hypersensitivity reactions, as a hypnotic, an antiparkinson, and as an ingredient in common cold preparations. It has some undesired antimuscarinic and sedative effects. Benhydramin,Diphenylhydramin,2-Diphenylmethoxy-N,N-dimethylethylamine,Allerdryl,Benadryl,Benylin,Benzhydramine,Dimedrol,Diphenhydramine Citrate,Diphenhydramine Citrate (1:1),Diphenhydramine Hydrochloride,Diphenylhydramine,Dormin,Citrate, Diphenhydramine,Hydrochloride, Diphenhydramine
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014150 Antipsychotic Agents Agents that control agitated psychotic behavior, alleviate acute psychotic states, reduce psychotic symptoms, and exert a quieting effect. They are used in SCHIZOPHRENIA; senile dementia; transient psychosis following surgery; or MYOCARDIAL INFARCTION; etc. These drugs are often referred to as neuroleptics alluding to the tendency to produce neurological side effects, but not all antipsychotics are likely to produce such effects. Many of these drugs may also be effective against nausea, emesis, and pruritus. Antipsychotic,Antipsychotic Agent,Antipsychotic Drug,Antipsychotic Medication,Major Tranquilizer,Neuroleptic,Neuroleptic Agent,Neuroleptic Drug,Neuroleptics,Tranquilizing Agents, Major,Antipsychotic Drugs,Antipsychotic Effect,Antipsychotic Effects,Antipsychotics,Major Tranquilizers,Neuroleptic Agents,Neuroleptic Drugs,Tranquillizing Agents, Major,Agent, Antipsychotic,Agent, Neuroleptic,Drug, Antipsychotic,Drug, Neuroleptic,Effect, Antipsychotic,Major Tranquilizing Agents,Major Tranquillizing Agents,Medication, Antipsychotic,Tranquilizer, Major
D015203 Reproducibility of Results The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results. Reliability and Validity,Reliability of Result,Reproducibility Of Result,Reproducibility of Finding,Validity of Result,Validity of Results,Face Validity,Reliability (Epidemiology),Reliability of Results,Reproducibility of Findings,Test-Retest Reliability,Validity (Epidemiology),Finding Reproducibilities,Finding Reproducibility,Of Result, Reproducibility,Of Results, Reproducibility,Reliabilities, Test-Retest,Reliability, Test-Retest,Result Reliabilities,Result Reliability,Result Validities,Result Validity,Result, Reproducibility Of,Results, Reproducibility Of,Test Retest Reliability,Validity and Reliability,Validity, Face
D053719 Tandem Mass Spectrometry A mass spectrometry technique using two (MS/MS) or more mass analyzers. With two in tandem, the precursor ions are mass-selected by a first mass analyzer, and focused into a collision region where they are then fragmented into product ions which are then characterized by a second mass analyzer. A variety of techniques are used to separate the compounds, ionize them, and introduce them to the first mass analyzer. For example, for in GC-MS/MS, GAS CHROMATOGRAPHY-MASS SPECTROMETRY is involved in separating relatively small compounds by GAS CHROMATOGRAPHY prior to injecting them into an ionization chamber for the mass selection. Mass Spectrometry-Mass Spectrometry,Mass Spectrometry Mass Spectrometry,Mass Spectrometry, Tandem
D018967 Risperidone A selective blocker of DOPAMINE D2 RECEPTORS and SEROTONIN 5-HT2 RECEPTORS that acts as an atypical antipsychotic agent. It has been shown to improve both positive and negative symptoms in the treatment of SCHIZOPHRENIA. R-64,766,R-64766,Risperdal Consta,Risperidal,Consta, Risperdal,R 64,766,R 64766,R64,766,R64766

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