Pain, Postoperative Clinical Trial
Official title:
Guanfacine for PONV and Pain After Sinus Surgery
Postoperative nausea and vomiting (PONV) and pain are the most common causes of Post Anesthesia Care Unit (PACU) discharge delay, with untreated PONV occurring in 20-30% of post-surgical patients. The effect of guanfacine (GF) administration on pain and nausea scores will be assessed with two groups. One group will receive 1 mg of GF to take orally and the other group will receive a similar appearing placebo (containing no drug) to take orally.
Pain after surgery is commonly treated with narcotics which can potentiate PONV, further delaying PACU discharge. In multiple studies, alpha-2 agonists such as clonidine and dexmedetomidine reduce both the incidence of PONV and post-op pain, as well as requirements for postoperative analgesics. These actions are mediated via central alpha-2A receptors (A2AR). Of the A2AR agonists, guanfacine, though a weak antihypertensive agent, has the highest selectivity for the A2AR, but to date is untested for its potential to treat either PONV or post-operative pain. ;
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