Transdermal Fentanyl Solution Provides Long-term Analgesia in the Hind-paw Incisional Model of Postoperative Pain in Male Rats
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Transdermal Fentanyl Solution Provides Long-term Analgesia in the Hind-paw Incisional Model of Postoperative Pain in Male Rats. / Clemensen, Johanne; Rasmussen, Lena V.; Abelson, Klas S.P.
In: In Vivo, Vol. 32, No. 4, 01.07.2018, p. 713-719.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Transdermal Fentanyl Solution Provides Long-term Analgesia in the Hind-paw Incisional Model of Postoperative Pain in Male Rats
AU - Clemensen, Johanne
AU - Rasmussen, Lena V.
AU - Abelson, Klas S.P.
PY - 2018/7/1
Y1 - 2018/7/1
N2 - Background: A recently developed transdermal fentanyl solution was hypothesized to be effective for noninvasive postoperative analgesia in rats. Materials and Methods: Thirty-nine male Sprague-Dawley rats were treated once with 0.1, 0.33 or 1.0 mg/kg transdermal fentanyl solution at the skin of the scruff 1 h prior to subjected to hind-paw surgery, and compared to non-treated animals. All rats were tested for nociceptive response in the electronic von Frey (EVF) test between 1 and 72 h postoperatively, and assessed daily with regards to facial expression, body weight changes and welfare score. Results: Fentanyl treatment at all doses significantly reduced nociceptive response in the EVF test throughout the 72 h of experimentation, reduced facial expressions on all days postoperatively, slightly reduced the body weight and improved postoperative welfare parameters. Conclusion: The present study indicates that transdermal fentanyl solution seems to be an effective, non-invasive and long-lasting analgesic regimen in male rats.
AB - Background: A recently developed transdermal fentanyl solution was hypothesized to be effective for noninvasive postoperative analgesia in rats. Materials and Methods: Thirty-nine male Sprague-Dawley rats were treated once with 0.1, 0.33 or 1.0 mg/kg transdermal fentanyl solution at the skin of the scruff 1 h prior to subjected to hind-paw surgery, and compared to non-treated animals. All rats were tested for nociceptive response in the electronic von Frey (EVF) test between 1 and 72 h postoperatively, and assessed daily with regards to facial expression, body weight changes and welfare score. Results: Fentanyl treatment at all doses significantly reduced nociceptive response in the EVF test throughout the 72 h of experimentation, reduced facial expressions on all days postoperatively, slightly reduced the body weight and improved postoperative welfare parameters. Conclusion: The present study indicates that transdermal fentanyl solution seems to be an effective, non-invasive and long-lasting analgesic regimen in male rats.
KW - Analgesia
KW - Fentanyl
KW - Laboratory rats
KW - Pain
KW - Transdermal
UR - http://www.scopus.com/inward/record.url?scp=85050022128&partnerID=8YFLogxK
U2 - 10.21873/invivo.11299
DO - 10.21873/invivo.11299
M3 - Journal article
C2 - 29936450
AN - SCOPUS:85050022128
VL - 32
SP - 713
EP - 719
JO - In Vivo
JF - In Vivo
SN - 0258-851X
IS - 4
ER -
ID: 213323572