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Antiepileptic effects of lacosamide loaded polymers implanted subdurally in GAERS

Journal Article


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Abstract


  • The current experiment investigated the ability of coaxial electrospun poly(D,L-lactide-co-glycolide) (PLGA) biodegradable polymer implants loaded with the antiepileptic drugs (AED) lacosamide to reduce seizures following implantation above the motor cortex in the Genetic Absence Epilepsy Rat from Strasbourg (GAERS). In this prospective, randomized, masked experiments, GAERS underwent surgery for implantation of skull electrodes (n = 6), skull electrodes and blank polymers (n = 6), or skull electrodes and lacosamide loaded polymers (n = 6). Thirty-minute electroencephalogram (EEG) recordings were started at day 7 after surgery and continued for eight weeks. The number of SWDs and mean duration of one SWD were compared week-by-week between the three groups. There was no difference in the number of SWDs between any of the groups. However, the mean duration of one SWD was significantly lower in the lacosamide polymer group for up to 7 weeks when compared to the control group (0.004 < p < 0.038). The mean duration of one seizure was also lower at weeks 3, 5, 6, and 7 when compared to the blank polymer group (p = 0.016, 0.037, 0.025, and 0.025, resp.). We have demonstrated that AED loaded PLGA polymer sheets implanted on the surface of the cortex could affect seizure activity in GAERS for a sustained period.

Authors


  •   Bauquier, Sebastien (external author)
  •   Jiang, Jonathan L. (external author)
  •   Yue, Zhilian
  •   Lai, Alan (external author)
  •   Chen, Yu (external author)
  •   Moulton, Simon E. (external author)
  •   McLean, Karen J. (external author)
  •   Vogrin, Sara (external author)
  •   Halliday, Amy J. (external author)
  •   Wallace, Gordon G.
  •   Cook, Mark J. (external author)

Publication Date


  • 2016

Citation


  • Bauquier, S. H., Jiang, J. L., Yue, Z., Lai, A., Chen, Y., Moulton, S. E., McLean, K. J., Vogrin, S., Halliday, A. J., Wallace, G. G. & Cook, M. J. (2016). Antiepileptic effects of lacosamide loaded polymers implanted subdurally in GAERS. International Journal of Polymer Science, 2016 6594960-1-6594960-10.

Scopus Eid


  • 2-s2.0-84958824861

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=3180&context=aiimpapers

Ro Metadata Url


  • help http://ro.uow.edu.au/aiimpapers/2159

Start Page


  • 6594960-1

End Page


  • 6594960-10

Volume


  • 2016

Place Of Publication


  • United States

Abstract


  • The current experiment investigated the ability of coaxial electrospun poly(D,L-lactide-co-glycolide) (PLGA) biodegradable polymer implants loaded with the antiepileptic drugs (AED) lacosamide to reduce seizures following implantation above the motor cortex in the Genetic Absence Epilepsy Rat from Strasbourg (GAERS). In this prospective, randomized, masked experiments, GAERS underwent surgery for implantation of skull electrodes (n = 6), skull electrodes and blank polymers (n = 6), or skull electrodes and lacosamide loaded polymers (n = 6). Thirty-minute electroencephalogram (EEG) recordings were started at day 7 after surgery and continued for eight weeks. The number of SWDs and mean duration of one SWD were compared week-by-week between the three groups. There was no difference in the number of SWDs between any of the groups. However, the mean duration of one SWD was significantly lower in the lacosamide polymer group for up to 7 weeks when compared to the control group (0.004 < p < 0.038). The mean duration of one seizure was also lower at weeks 3, 5, 6, and 7 when compared to the blank polymer group (p = 0.016, 0.037, 0.025, and 0.025, resp.). We have demonstrated that AED loaded PLGA polymer sheets implanted on the surface of the cortex could affect seizure activity in GAERS for a sustained period.

Authors


  •   Bauquier, Sebastien (external author)
  •   Jiang, Jonathan L. (external author)
  •   Yue, Zhilian
  •   Lai, Alan (external author)
  •   Chen, Yu (external author)
  •   Moulton, Simon E. (external author)
  •   McLean, Karen J. (external author)
  •   Vogrin, Sara (external author)
  •   Halliday, Amy J. (external author)
  •   Wallace, Gordon G.
  •   Cook, Mark J. (external author)

Publication Date


  • 2016

Citation


  • Bauquier, S. H., Jiang, J. L., Yue, Z., Lai, A., Chen, Y., Moulton, S. E., McLean, K. J., Vogrin, S., Halliday, A. J., Wallace, G. G. & Cook, M. J. (2016). Antiepileptic effects of lacosamide loaded polymers implanted subdurally in GAERS. International Journal of Polymer Science, 2016 6594960-1-6594960-10.

Scopus Eid


  • 2-s2.0-84958824861

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=3180&context=aiimpapers

Ro Metadata Url


  • help http://ro.uow.edu.au/aiimpapers/2159

Start Page


  • 6594960-1

End Page


  • 6594960-10

Volume


  • 2016

Place Of Publication


  • United States