Randomized trial of preladenant, given as monotherapy, in patients with early Parkinson disease.

Core outcome domains for chronic pain clinical trials: IMMPACT recommendations. Pain (2003) 4.24

Advances in neuropathic pain: diagnosis, mechanisms, and treatment recommendations. Arch Neurol (2003) 3.80

Impact of fibromyalgia pain on health-related quality of life before and after treatment with tramadol/acetaminophen. Arthritis Rheum (2005) 1.23

Efficacy and safety of the fentanyl iontophoretic transdermal system (ITS) and intravenous patient-controlled analgesia (IV PCA) with morphine for pain management following abdominal or pelvic surgery. Pain Med (2007) 1.14

Fentanyl iontophoretic transdermal system for acute-pain management after orthopedic surgery: a comparative study with morphine intravenous patient-controlled analgesia. Reg Anesth Pain Med (2006) 1.11

Randomized study of tramadol/acetaminophen versus placebo in painful diabetic peripheral neuropathy. Curr Med Res Opin (2007) 1.03

The safety and efficacy of fentanyl iontophoretic transdermal system compared with morphine intravenous patient-controlled analgesia for postoperative pain management: an analysis of pooled data from three randomized, active-controlled clinical studies. Anesth Analg (2007) 0.99

System-related events and analgesic gaps during postoperative pain management with the fentanyl iontophoretic transdermal system and morphine intravenous patient-controlled analgesia. Anesth Analg (2007) 0.94

Using the patient global assessment of the method of pain control to assess new analgesic modalities in clinical trials. Curr Med Res Opin (2009) 0.90

Ease of care with patient controlled analgesia systems: questionnaire development and validation. J Adv Nurs (2007) 0.90

Development and validation of a new instrument to evaluate the ease of use of patient-controlled analgesic modalities for postoperative patients. J Med Econ (2010) 0.89

A double-blind placebo-controlled comparison of tramadol/acetaminophen and tramadol in patients with postoperative dental pain. Pain (2004) 0.84

Efficacy and tolerability of rizatriptan in pediatric migraineurs: results from a randomized, double-blind, placebo-controlled trial using a novel adaptive enrichment design. Cephalalgia (2012) 0.84

Tramadol/acetaminophen for the treatment of acute migraine pain: findings of a randomized, placebo-controlled trial. Headache (2005) 0.84

Safety and effectiveness of topiramate for the management of painful diabetic peripheral neuropathy in an open-label extension study. Clin Ther (2005) 0.83

Comparison of the efficacy and tolerability of preservative-free and preservative-containing formulations of the dorzolamide/timolol fixed combination (COSOPT™) in patients with elevated intraocular pressure in a randomized clinical trial. Graefes Arch Clin Exp Ophthalmol (2010) 0.82

Physical therapists' perceptions of ease of care in patients receiving 2 forms of analgesia after total hip arthroplasty. Phys Ther (2010) 0.78

A standard database format for clinical trials of pain treatments: an ACTTION-CDISC initiative. Pain (2012) 0.78

Patients' assessment of the convenience of fentanyl HCl iontophoretic transdermal system (ITS) versus morphine intravenous patient-controlled analgesia (IV PCA) in the management of postoperative pain after major surgery. Pain Manag Nurs (2008) 0.77

Predicting response to pregabalin from pretreatment pain quality: clinical applications of the pain quality assessment scale. Pain Med (2012) 0.77

The pain quality response profile of pregabalin in the treatment of neuropathic pain. Clin J Pain (2012) 0.77

Fentanyl HCl iontophoretic transdermal system versus intravenous morphine pump after gynecologic surgery. Arch Gynecol Obstet (2007) 0.76

The value of HAZWOPER medical surveillance. AAOHN J (2011) 0.75