Development of a RP-HPLC method for analysis of docetaxel in tumor-bearing mice plasma and tissues following injection of docetaxel-loaded pH responsive targeting polymeric micelles

Moloud Kazemi , Jaber Emami , Farshid Hasanzadeh, Mohsen Minaiyan, Mina Mirian, Afsaneh Lavasanifar


Background and purpose: A simple, rapid, and sensitive reversed-phase high performance liquid chromatography (RP-HPLC) method based on liquid-liquid extraction was developed and validated for determination of docetaxel (DTX) in plasma and homogenate tissues of tumor-bearing mice.

Experimental approach: Samples were spiked with celecoxib as the internal standard and separation                was achieved on a μ-Bondapak C18 HPLC column. The mobile phase consisted of a mixture of acetonitrile/water (40/60 v/v) at flow rate of 1.2 mL/min and the effluent was monitored at 230 nm.

Results: Calibration curves were linear over the concentration range of 0.1-10 µg/mL of DTX in plasma              and 0.25-50 µg/mL in tissue homogenates with acceptable precision and accuracy. The mean recoveries of the drug from plasma extraction was 94.6 ± 1.44% while those of tissue homogenates ranged from 73.5 ± 3.2 to 85.3 ± 2.8% depending on the type of tissues examined. DTX was stable in biological samples with                no evidence of degradation during 3 freeze-thaw cycles and two months of storage at -70 ± 15 °C.                      The developed HPLC method was applied to quantify DTX in the mouse plasma and tissues                              after intravenous administration of 7.5 mg equivalent DTX/kg dose of DTX-loaded folic acid-polyethylene glycol-heparin-tocopherol (FA-PEG-HEP-CA-TOC) micelle formulation to female Balb/c mice.

Conclusion: A simple, sensitive, rapid, accurate, and prudent RP-HPLC method was developed, validated, and applied for DTX determination in plasma and tissues.


Celecoxib; Distribution; Docetaxel; HPLC; Pharmacokinetics; Tissue.

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