| Efficacy and safety of tapentadol prolonged release for chronic osteoarthritis pain and low back pain B Lange, B Kuperwasser, A Okamoto, A Steup, T Häufel, J Ashworth, ... Advances in therapy 27, 381-399, 2010 | 235 | 2010 |
| The role of human drug self-administration procedures in the development of medications SD Comer, JB Ashworth, RW Foltin, CE Johanson, JP Zacny, SL Walsh Drug and alcohol dependence 96 (1-2), 1-15, 2008 | 155 | 2008 |
| Crush resistant delayed-release dosage forms J Ashworth, EA Maric, J Bartholomaus US Patent App. 11/348,295, 2006 | 134 | 2006 |
| Crush resistant delayed-release dosage forms J Ashworth, E Arkenau-Maric, J Bartholomäus, H Kugelmann US Patent App. 12/640,915, 2010 | 87 | 2010 |
| Crush resistan delayed-release dosage form J Ashworth, EA Maric, J Bartholomaus US Patent App. 12/140,568, 2008 | 68 | 2008 |
| Assessment of a formulation designed to be crush-resistant in prescription opioid abusers SK Vosburg, JD Jones, JM Manubay, JB Ashworth, IH Benedek, ... Drug and alcohol dependence 126 (1-2), 206-215, 2012 | 62 | 2012 |
| Relationship between rate of infusion and reinforcing strength of oxycodone in humans. SD Comer, JB Ashworth, MA Sullivan, SK Vosburg, PA Saccone, ... Journal of opioid management 5 (4), 203-212, 2009 | 54 | 2009 |
| A comparison among tapentadol tamper‐resistant formulations (TRF) and OxyContin® (non‐TRF) in prescription opioid abusers SK Vosburg, JD Jones, JM Manubay, JB Ashworth, DY Shapiro, ... Addiction 108 (6), 1095-1106, 2013 | 52 | 2013 |
| Functional profiles of healthy older persons JB Ashworth, DB Reuben, LA Benton Age and ageing 23 (1), 34-39, 1994 | 42 | 1994 |
| A new technology to increase the mechanical stability of matrix tablets to prevent abuse by crushing or chewing J Bartholomaeus, E Arkenau, JB Ashworth DRUG AND ALCOHOL DEPENDENCE 83, S84-S84, 2006 | 40 | 2006 |
| Effect of Tablet mechanical Stability on Drug Preference and Relative Street Value of Oxycodone Controlled-Release (CR) Tablets inExperienced Oxycodone CR Abusers JB Ashworth, WJ Kowalczyk, SL Stephens, MA Sullivan, SD Comer 69th Annual Scientific Meeting of the College on Problems of Drug Dependence …, 2007 | 38 | 2007 |
| Crush resistant delayed-release dosage forms EA Maric, J Bartholomäus, H Kugelmann, J Ashworth US Patent App. 14/848,457, 2015 | 31 | 2015 |
| Prescription opioid abuse, prescription opioid addiction, and heroin abuse among adolescents in a recovery high school: a pilot study SK Vosburg, TA Eaton, M Sokolowska, ED Osgood, JB Ashworth, ... Journal of Child & Adolescent Substance Abuse 25 (2), 105-112, 2016 | 19 | 2016 |
| Randomized controlled trial of the combined monoaminergic and opioid investigational compound GRT9906 in painful polyneuropathy SH Sindrup, R Konder, R Lehmann, T Meier, M Winkel, J Ashworth, ... European Journal of Pain 16 (6), 849-859, 2012 | 15 | 2012 |
| REL-1017 (esmethadone; d-methadone) does not cause reinforcing effect, physical dependence and withdrawal signs in Sprague Dawley rats J Henningfield, D Gauvin, F Bifari, R Fant, M Shram, A Buchhalter, ... Scientific Reports 12 (1), 11389, 2022 | 10 | 2022 |
| The nexus of opioids, pain, and addiction: Challenges and solutions JE Henningfield, JB Ashworth, KK Gerlach, B Simone, SH Schnoll Preventive medicine 128, 105852, 2019 | 9 | 2019 |
| Psychedelic drug abuse potential assessment for new drug applications and controlled substance scheduling: A United States perspective JE Henningfield, J Ashworth, DJ Heal, SL Smith Journal of Psychopharmacology 37 (1), 33-44, 2023 | 6 | 2023 |
| Crush resistan delayed-release dosage form J Ashworth, EA Maric, J Bartholomäus, H Kugelmann US Patent App. 14/324,366, 2014 | 6 | 2014 |
| The growth of prescription opioid abuse SD Comer, JB Ashworth Pain and Chemical Dependency 18, 19, 2008 | 6 | 2008 |
| 334 ASSESSMENT OF OPIOIDWITHDRAWAL IN PATIENTS TREATED WITH TAPENTADOL PROLONGED RELEASE DURING AN OPEN-LABEL EXTENSION STUDY J Ashworth, B Kuperwasser, M Etropolski, B Lange, R Lange, T Häufel Osteoarthritis and Cartilage, S148, 2010 | 5 | 2010 |
