Diazepam sorption to PVC- and non-PVC-based tubes in administration sets with quantitative determination using a high-performance liquid chromatographic method

Su Eon Jin, Siwon You, Seungho Jeon, Sung Joo Hwang

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Diazepam is highly sorbed to the plastic materials of administration sets for intravenous infusion. This can be detrimental as it should be delivered to the patient at the administered amount for efficacy and safety. We report here the sorption levels of diazepam onto various types of tubes in administration sets. The tube materials of the administration sets included polyvinylchloride (PVC) and the non-PVC materials such as polyurethane (PU) and polyolefin (PO) were used. Two conditions of diazepam administered in preclinical and clinical settings were tested using an infusion pump. Injections were prepared by diluting diazepam to 20 mg/500 mL and 10 mg/100 mL in 5% dextrose. Diluted diazepam solutions at the concentrations of 10 mg/100 mL and 20 mg/500 mL were separately delivered through 1 m of tubing at 1 mL/min for 1.05 and 4.05 h. Samples were analyzed using a high-performance liquid chromatography with UV detection. PVC- and PU-based tubes showed higher sorption of diazepam than did PO-based tubes. PO-based tubes delivered more than 90% of the administered diazepam. The results showed that PO-based tubes of administration sets have a promising potential to deliver hydrophobic drugs like diazepam with minimal sorption levels. In addition, the tube materials in administration sets may be one of the critical factors to ensure drug efficacy and safety.

Original languageEnglish
Pages (from-to)414-419
Number of pages6
JournalInternational Journal of Pharmaceutics
Volume506
Issue number1-2
DOIs
Publication statusPublished - 2016 Jun 15

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Diazepam
Polyurethanes
Safety
Infusion Pumps
Intravenous Infusions
Pharmaceutical Preparations
Plastics
High Pressure Liquid Chromatography
Glucose
Injections
PL 732

All Science Journal Classification (ASJC) codes

  • Pharmaceutical Science

Cite this

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title = "Diazepam sorption to PVC- and non-PVC-based tubes in administration sets with quantitative determination using a high-performance liquid chromatographic method",
abstract = "Diazepam is highly sorbed to the plastic materials of administration sets for intravenous infusion. This can be detrimental as it should be delivered to the patient at the administered amount for efficacy and safety. We report here the sorption levels of diazepam onto various types of tubes in administration sets. The tube materials of the administration sets included polyvinylchloride (PVC) and the non-PVC materials such as polyurethane (PU) and polyolefin (PO) were used. Two conditions of diazepam administered in preclinical and clinical settings were tested using an infusion pump. Injections were prepared by diluting diazepam to 20 mg/500 mL and 10 mg/100 mL in 5{\%} dextrose. Diluted diazepam solutions at the concentrations of 10 mg/100 mL and 20 mg/500 mL were separately delivered through 1 m of tubing at 1 mL/min for 1.05 and 4.05 h. Samples were analyzed using a high-performance liquid chromatography with UV detection. PVC- and PU-based tubes showed higher sorption of diazepam than did PO-based tubes. PO-based tubes delivered more than 90{\%} of the administered diazepam. The results showed that PO-based tubes of administration sets have a promising potential to deliver hydrophobic drugs like diazepam with minimal sorption levels. In addition, the tube materials in administration sets may be one of the critical factors to ensure drug efficacy and safety.",
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