, 70:1587 | Cite as

Quantification of Quetiapine in Human Plasma by LC–MS–MS

  • Mohan Laxman Kundlik
  • Sandeep Kambli
  • Viral Shah
  • Yashwant Patel
  • Santosh Gupta
  • Ram Sharma
  • Bhaskar Zaware
  • Shashikant R. Kuchekar


A rapid liquid chromatographic method with electrospray ionization tandem mass spectrometric detection has been developed and validated for quantification of quetiapine in heparinized human plasma. Plasma samples, without a drying and reconstitution step, were extracted by solid-phase extraction and eluted with acetonitrile. The analyte and zolpidem tartrate (internal standard, IS) were chromatographed on a C18 column; the mobile phase was 85:15 (v/v) acetonitrile–5 mM ammonium formate, pH adjusted to 4.5 with formic acid, at a flow rate of 0.5 mL min−1. The retention times of quetiapine and the IS were 1.25 and 1.05 min, respectively, and the run time was 1.8 min per sample. Selected reaction monitoring of MH+ at m/z 384.12 and 308.11 resulted in stable fragment ions with m/z 253.02 and 235.09 for quetiapine and the IS, respectively. Response was a linear function of concentration in the range 1.0–240.0 ng mL−1, with r ≥ 0.9994. Recovery of quetiapine and the IS ranged from 74.82 to 85.57%. The assay has excellent characteristics and has been successfully used for analysis of quetiapine in healthy human subjects in a bioequivalence study.


Column liquid chromatography Tandem mass spectrometry Selected reaction monitoring Human plasma Quetiapine 



The authors are indebted to Dr. Chaitanya Dutt, Director, Torrent Research Centre, for his continuous support. The authors gratefully acknowledge Torrent Research Centre for providing the facilities necessary to carry out this work.


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Copyright information

© Vieweg+Teubner | GWV Fachverlage GmbH 2009

Authors and Affiliations

  • Mohan Laxman Kundlik
    • 1
  • Sandeep Kambli
    • 1
  • Viral Shah
    • 1
  • Yashwant Patel
    • 1
  • Santosh Gupta
    • 1
  • Ram Sharma
    • 1
  • Bhaskar Zaware
    • 2
  • Shashikant R. Kuchekar
    • 3
  1. 1.Bioanalytical Laboratory, Torrent Research CenterTorrent Pharmaceuticals LtdGandhinagarIndia
  2. 2.New Arts, Commerce and Science CollegeAhmednagarIndia
  3. 3.Padmashri Vikhe Patil CollegeAhmednagarIndia

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