• John C Somberg and Janos Molnar.
• American Institute of Therapeutics, Lake Bluff, IL.
• Am J Ther. 2015 Sep 1; 22 (5): 342-9.

AbstractPharmacologic treatment of chronic pain is challenging. Oral therapy may require multiple medications; each has side effects, dose limitations, and limited efficacy. Compounded topical formulations have evolved as potential treatment options. The objective of this study was to evaluate the efficacy of 2 compounded topical creams, "Cream I" and "Cream II," in patients with chronic extremity, joint, musculoskeletal, neuropathic, or other chronic topical pain conditions and compare their efficacy with Voltaren gel. The primary efficacy outcome was the change in visual numeric pain intensity score from pretreatment to posttreatment. The Cream I contained Flurbiprofen (20%), Tramadol (5%), Clonidine (0.2%), Cyclobenzaprine (4%), and Bupivacaine (3%). The Cream II contained Flurbiprofen (20%), Baclofen (2%), Clonidine (0.2%), Gabapentin (10%), and Lidocaine (5%). The Voltaren gel contained 1% diclofenac sodium. A total of 2177 patients were evaluated, 826 males and 1351 females. During their medical treatment, 1141 patients received Cream I, 527 patients received Cream II, and 509 patients received Voltaren gel. After treatment, the pain intensity score decreased by 3.11 ± 1.65 (37%) with Cream I (from 8.44 ± 1.19 to 5.33 ± 2.0, P < 0.001), by 2.93 ± 1.58 (35%) with Cream II (from 8.42 ± 1.27 to 5.50 ± 1.96, P < 0.001), and by 1.49 ± 0.73 (19%) with Voltaren gel (from 7.93 ± 0.81 to 6.44 ± 1.14, P < 0.001). Cream I and Cream II did not differ significantly in efficacy, and both were significantly more effective than Voltaren gel (P < 0.001). It is concluded that Voltaren gel had less efficacy than the compounded creams, which were effective and provided pain relief in the majority of the patients studied.

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