Related Experiment Videos
Stability of sufentanil in human plasma samples.
C Dufresne1, P Favetta, C Paradis
1Department of Clinical Pharmacy, Pharmacokinetics, and Drug Evaluation, Institute of Pharmaceutic and Biologic Sciences, Claude Bernard Lyon 1 University (UCBL), Lyon, France.
Therapeutic Drug Monitoring
|October 10, 2001
Summary
Sufentanil concentration in human plasma decreases significantly under common storage conditions. Proper sampling and storage are crucial for accurate sufentanil analysis.
Area of Science:
- Pharmacology
- Analytical Chemistry
Background:
- Sufentanil is a potent synthetic opioid analgesic.
- Accurate quantification of sufentanil in biological matrices is essential for clinical and forensic applications.
Purpose of the Study:
- To investigate the stability of sufentanil in human plasma under various storage conditions.
- To determine the impact of storage temperature and tube type on sufentanil concentration.
Main Methods:
- Human plasma samples were stored under different conditions (temperature, tube type).
- Sufentanil was extracted using solid-phase extraction with Oasis MCX columns.
- Quantification was performed using gas chromatography-mass spectrometry (GC-MS).
Main Results:
- Significant sufentanil degradation was observed at 4°C in nonsilanized tubes within one hour.
- Storage at -25°C in nonsilanized glass tubes for 8 hours led to an average 10.1% loss of sufentanil.
- Degradation also occurred in silanized glass tubes at -25°C over 12 hours.
Conclusions:
- Sufentanil stability is compromised by common storage conditions.
- Non-silanized tubes and elevated temperatures accelerate sufentanil degradation.
- Strict adherence to appropriate sampling and storage protocols is vital for reliable sufentanil measurements.