Development and evaluation of a tampering resistant transdermal fentanyl patch.

Area of Science:

• Materials Science
• Pharmaceutical Sciences
• Drug Delivery

Background:

• Opioid misuse and abuse are significant public health concerns.
• Transdermal opioid patches require tamper-resistance to prevent misuse.
• Current patches may be vulnerable to abuse techniques leading to rapid drug release.

Purpose of the Study:

• To develop a fentanyl patch with enhanced resistance to tampering.
• To evaluate the drug release profile and tamper-resistance of the novel patch formulation.
• To assess the potential of geopolymer granules in improving transdermal patch security.

Main Methods:

• Drug-containing geopolymer granules were synthesized and loaded with fentanyl.
• Fentanyl-loaded geopolymer granules were integrated into an adhesive matrix.
• Bench testing was performed to evaluate resistance against common abuse techniques.
• Pilot in vivo studies in rats were conducted to assess drug plasma concentrations.

Main Results:

• Fentanyl-loaded geopolymer granules demonstrated superior tamper-resistance compared to a commercial fentanyl patch in bench tests.
• The novel patch formulation, incorporating geopolymer granules, showed improved resistance to investigated tampering methods.
• Pilot in vivo studies indicated potential for similar fentanyl plasma concentrations compared to the commercial patch.
• The integration of geopolymer granules did not compromise fentanyl drug release.

Conclusions:

• Incorporating drug-loaded geopolymer granules into a patch adhesive is a viable strategy to enhance tamper-resistance.
• This approach offers improved security against opioid patch abuse.
• The developed fentanyl patch shows potential for safer transdermal drug delivery without compromising therapeutic efficacy.