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Orally active opioid compounds from a non-poppy source.
Raffa RB, Beckett JR, Brahmbhatt VN, Ebinger TM, Fabian CA, Nixon JR, Orlando ST, Rana CA, Tejani AH, Tomazic RJ. Raffa RB, et al. J Med Chem. 2013 Jun 27;56(12):4840-8. doi: 10.1021/jm400143z. Epub 2013 Apr 8. J Med Chem. 2013. PMID: 23517479 Review.
On subclasses of opioid analgesics.
Raffa RB. Raffa RB. Curr Med Res Opin. 2014 Dec;30(12):2579-84. doi: 10.1185/03007995.2014.952717. Epub 2014 Sep 23. Curr Med Res Opin. 2014. PMID: 25105308
Nature's first "atypical opioids": Kratom and mitragynines.
Raffa RB, Pergolizzi JV, Taylor R, Ossipov MH; NEMA Research Group. Raffa RB, et al. J Clin Pharm Ther. 2018 Jun;43(3):437-441. doi: 10.1111/jcpt.12676. Epub 2018 Mar 8. J Clin Pharm Ther. 2018. PMID: 29520812
Opioid receptors and acetaminophen (paracetamol).
Raffa RB, Walker EA, Sterious SN. Raffa RB, et al. Eur J Pharmacol. 2004 Oct 25;503(1-3):209-10. doi: 10.1016/j.ejphar.2004.08.055. Eur J Pharmacol. 2004. PMID: 15496316
365 results